CN104515214A - Closed regeneration dehumidifier - Google Patents
Closed regeneration dehumidifier Download PDFInfo
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- CN104515214A CN104515214A CN201310454908.5A CN201310454908A CN104515214A CN 104515214 A CN104515214 A CN 104515214A CN 201310454908 A CN201310454908 A CN 201310454908A CN 104515214 A CN104515214 A CN 104515214A
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- condenser
- air channel
- regeneration
- evaporimeter
- desiccant wheel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/1411—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant
- F24F3/1423—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant with a moving bed of solid desiccants, e.g. a rotary wheel supporting solid desiccants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
- F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/153—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification with subsequent heating, i.e. with the air, given the required humidity in the central station, passing a heating element to achieve the required temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/1458—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification using regenerators
- F24F2003/1464—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification using regenerators using rotating regenerators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2203/00—Devices or apparatus used for air treatment
- F24F2203/10—Rotary wheel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
Abstract
The invention provides a closed regeneration dehumidifier. The closed regeneration dehumidifier comprises a closed cyclic regeneration air duct, a fan, an evaporator and a condenser all arranged in the closed cyclic regeneration air duct, a dehumidifying runner partially arranged in the cyclic regeneration air duct, and a heat recovery air duct formed as a branch of the cyclic regeneration air duct; the air inlet of the heat recovery air duct is located on the upstream side of the dehumidifying runner, while the air outlet of the heat recovery air duct is located on the downstream side of the dehumidifying runner. The condenser is arranged at the air inlet of the dehumidifying runner, while the evaporator is arranged on the upstream of the condenser. The dehumidifying runner comprises a heat recovery region, a regeneration region and an adsorption region; the heat recovery region is arranged between the regeneration region and the adsorption region and corresponds to the heat recovery air duct. The closed regeneration dehumidifier can be used independently and also can be combined with other proper dehumidifying units, and therefore, the application range of the closed regeneration dehumidifier is extremely wide. In addition, compared with the existing open or combined humidification system, the energy saving effect can be improved remarkably.
Description
Technical field
The present invention relates generally to industrial dehumidifier machine, particularly relates to a kind of enclosed dehumidification regeneration system machine, more particularly, relates to a kind of heat pump regeneration heating-type dehumidifier adopting enclosed wind to circulate.
Background technology
In air, the moisture humidity effect caused the living environment of people, and to some machining process in the preservation of material, industrial production and the instrument and meter that runs under low moisture conditions, has close impact.Particularly at some to the strict factory building of humidity requirement and warehouse, need the air conditioner surroundings of low humidity.The Summer Indoor relative humidity that general air-conditioning system can reach is 60% ~ 70%, and factory or the warehouse such as medicine, candy foods, electronics industry to humidity sensitive, relative humidity requires to should be 30% ~ 50%, is just difficult to the parameter request reaching regulation like this by general freeze drying system.Now, knownly utilize the adsorption dry of rotary dehumidifier to be used for reducing humidity further, thus improve the stability that system humidity controls.In this case, coordinate general freeze drying equipment with rotary dehumidifier, desirable low humidity effect can be obtained.
Dehumidifier conventional in the market mainly contains cooled dehumidifier unit and rotary dehumidifier.Cooled dehumidifier unit adopts mechanically refrigerated method cooling-air, makes air themperature separate out moisture lower than dew-point temperature.When indoor humid air stream is through surface cooler, with its surface contact, because surface cooler surface temperature is lower than the dew-point temperature of humid air, moisture cooling in air condenses into water droplet, be gathered in water spraying tray and discharge, meanwhile, the temperature of air and water capacity can be lowered, thus reach the object of dehumidifying.But this cooled dehumidifier unit can not meet the requirements at the higher level in humidity, when the air-treatment required low humidity, the temperature of surface cooler certainly will be made to fall too low.But when surface temperature is lower than zero degree, the easy frosting of cooling coil, thus dehumidifying effect is declined, energy consumption increases, and cannot normally work even, very uneconomical.
In view of this, someone proposes Combined dehumidifier freeze drying and rotary wheel dehumidifying combined.This Combined dehumidifier make use of the advantage of both freeze drying and rotary wheel dehumidifying, namely, at high temperature dehumidification rate is high for the former, and the latter wet-out property is good at low temperatures, and have higher temperature rise after dehumidifying thus the deficiency that air themperature is lower after making up freeze drying.But in order to the regeneration of runner, this traditional Combined dehumidifier needs use can consume the electric heater of a large amount of electric energy, this is the main energy-consuming parts of dehumidifier.In addition, in this traditional Combined dehumidifier, after also needing after the dried process of primary air, heat to be warming up to the temperature of requirement.Therefore, this traditional Combined dehumidifier needs to consume a large amount of high-quality electric energy to produce heat, causes energy waste and running cost is remained high.
For the problems referred to above, present inventor proposes one " system of heat pump regeneration heating-type energy-saving dehumidifier " in CN101672502.Within the system, utilize heat pump to heat desiccant wheel, instead of in conventional dehumidifier and utilize electric heater or steam-heated mode, obviously can reduce power consumption.But CN101672502 only proposes the situation system of this heat pump regeneration heating-type energy-saving dehumidifier being used for Combined type dehumidifying, applicability is strong not.In addition, the system of this heat pump regeneration heating-type energy-saving dehumidifier still has further room for improvement in energy-saving effect.
Summary of the invention
For above-mentioned defect, main purpose of the present invention is, provides one energy-efficient and the applicable dehumidification regeneration system of enclosed widely machine.
For achieving the above object, the invention provides a kind of enclosed dehumidification regeneration system machine, comprising: the circular regeneration air channel closed; Be arranged on blower fan, evaporimeter and the condenser in described circular regeneration air channel; Partly be arranged on the desiccant wheel in described circular regeneration air channel; And being formed as the recuperation of heat air channel of branch road in described circular regeneration air channel, the air inlet in described recuperation of heat air channel is positioned at the upstream side of described desiccant wheel, and the air outlet in recuperation of heat air channel is positioned at the downstream of described desiccant wheel.Described condenser is arranged on the air intake place of desiccant wheel, and described evaporimeter is arranged on the upstream of described condenser.Described desiccant wheel comprises heat recovery area, renewing zone and adsorption zone, and described heat recovery area is arranged between described renewing zone and adsorption zone and also corresponds to described recuperation of heat air channel.
It is preferred that described condenser and described evaporimeter are parts for a refrigeration system, described refrigeration system also comprises: to be arranged within described circular regeneration air channel or outside compressor and expansion valve.
Preferably, described condenser and described evaporimeter are parts for a refrigeration system, described refrigeration system comprises the compressor be connected in turn in a circulation line, described condenser, reservoir, device for drying and filtering, magnetic valve, expansion valve and described evaporimeter, wherein, described compressor, described reservoir, described device for drying and filtering, described magnetic valve and described expansion valve to be arranged within described circular regeneration air channel or outside.
It is preferred that also comprise: to be arranged in described circular regeneration air channel and subcooler between described condenser and described evaporimeter.
It is preferred that the air inlet in described recuperation of heat air channel is arranged on one of following position: between described evaporimeter between described evaporimeter and subcooler, between described subcooler and condenser or at the air outlet of described desiccant wheel.
Preferably, described condenser and described evaporimeter are parts for a refrigeration system, described refrigeration system comprises the compressor be connected in turn in a circulation line, described condenser, described subcooler, reservoir, device for drying and filtering, magnetic valve, expansion valve and described evaporimeter, wherein, described compressor, described reservoir, described device for drying and filtering, described magnetic valve and described expansion valve to be arranged within described circular regeneration air channel or outside.
It is preferred that also comprise: be arranged on the auxiliary condenser outside described circular regeneration air channel, this auxiliary condenser is connected with described condenser.
Preferably, described condenser and described evaporimeter are parts for a refrigeration system, described refrigeration system comprises the compressor be connected in turn in a circulation line, described condenser, described auxiliary condenser, reservoir, device for drying and filtering, magnetic valve, expansion valve and described evaporimeter, wherein, described compressor, described reservoir, described device for drying and filtering, described magnetic valve and described expansion valve to be arranged within described circular regeneration air channel or outside.
It is preferred that also comprise: to be arranged in described circular regeneration air channel and auxiliary heater between described condenser and described desiccant wheel.
It is preferred that the described renewing zone of described desiccant wheel, the area ratio between described adsorption zone and described heat recovery area and partition shapes are all variable.
Enclosed dehumidification regeneration system machine of the present invention can independently use, and the Dehumidifying element that also can be applicable to other is combined, and therefore its applicability is very wide in range.And, compared with current existing open type or Combined type dehumidifying system, energy-saving effect can be improved significantly.In addition, this enclosed dehumidification regeneration system machine can also significantly improve the COP of refrigeration system, and accurately can control the duty of refrigeration system, system stably can be run, the rough sledding of such as system overheat and so on can not occur.
Accompanying drawing explanation
Fig. 1 is the system schematic of enclosed dehumidification regeneration system machine according to a first embodiment of the present invention;
Fig. 2 is the schematic diagram of the runner part of above-mentioned enclosed dehumidification regeneration system machine;
Fig. 3 is the connection diagram of refrigeration (heat pump) system of above-mentioned enclosed dehumidification regeneration system machine;
Fig. 4 is the system schematic of enclosed dehumidification regeneration system machine according to a second embodiment of the present invention;
Fig. 5 is the connection diagram of the refrigeration system of the enclosed dehumidification regeneration system machine of the second embodiment;
Fig. 6 is the system schematic of enclosed dehumidification regeneration system machine according to a third embodiment of the present invention;
Fig. 7 is the system schematic of enclosed dehumidification regeneration system machine according to a fourth embodiment of the present invention;
Fig. 8 is the connection diagram of the refrigeration system of the enclosed dehumidification regeneration system machine of the 4th embodiment;
Fig. 9 is the system schematic of enclosed dehumidification regeneration system machine according to a fifth embodiment of the present invention; And
Figure 10 is the connection diagram of the refrigeration system of the enclosed dehumidification regeneration system machine of the 5th embodiment.
Detailed description of the invention
Fig. 1 shows enclosed dehumidification regeneration system machine according to a first embodiment of the present invention, and it mainly comprises: the circular regeneration air channel 11 closed; Be arranged on the blower fan 9 in circular regeneration air channel 11, evaporimeter 7 and condenser 2; Partly be arranged on the desiccant wheel 8 in circular regeneration air channel 11; And be formed as the recuperation of heat air channel 10 of branch road in circular regeneration air channel 11.
The circular regeneration air channel 11 closed forms a loop checking installation, air under the effect of the blower fan 9 be arranged in circular regeneration air channel in any position through evaporator 7 and condenser 2 at circular regeneration air channel 11 Inner eycle, thus regeneration process is carried out to desiccant wheel 8.Condenser 2 is arranged on the air intake place of desiccant wheel 8, and it utilizes condensation heat to carry out thermal regeneration air intake to regenerate runner.Evaporimeter 7 is arranged on the upstream of condenser 2, its utilize evaporation produce cold hot blast born is again dehumidified, remove regeneration wind in moisture.The moisture condensed by evaporimeter 7 is discharged by discharge outlet 71.
In this embodiment, the air inlet in recuperation of heat air channel 10 is arranged on the upstream side of desiccant wheel 8, and particularly on the position between evaporimeter 7 and condenser 2 in circular regeneration air channel 11, and the air outlet in recuperation of heat air channel 10 is positioned at the downstream of desiccant wheel 8.Be understood that, the particular location of the air inlet in recuperation of heat air channel 10 is variable, also can be arranged between evaporimeter 7 and the subcooler that hereafter will describe, or be arranged on hereafter will describe between subcooler and condenser 2, or any position between the air outlet being arranged on desiccant wheel 8 to evaporimeter 7.
As shown in Figure 2, desiccant wheel 8 rotates along the direction of arrow R, and it comprises heat recovery area 81, renewing zone 82 and adsorption zone 83.Renewing zone 82 and adsorption zone 83 are similar to the respective regions in conventional rotor dehumidifier, namely, renewing zone 82 is arranged on to be subject to regeneration process in circular regeneration air channel 11, and adsorption zone is arranged on outside circular regeneration air channel 11 and need processes humid air and absorption moisture wherein to receive.For a change, desiccant wheel 8 also comprises the heat recovery area 81 be arranged between renewing zone 82 and adsorption zone 83, and this heat recovery area 81 corresponds to (or perhaps aligning) aforementioned hot and reclaims air channel 10.It should be understood that heat recovery area 81, renewing zone 82 and adsorption zone 83 constantly change along with the rotation of desiccant wheel 8.In addition, renewing zone 82, area ratio size, partition shapes etc. between adsorption zone 83 and heat recovery area 11 are unrestricted, and that is, these are all variable.
Except condenser 2 and evaporimeter 7, refrigeration (heat pump) system for enclosed dehumidification regeneration system machine of the present invention also comprises compressor and expansion valve.As shown in Figure 3, in a first embodiment, refrigeration (heat pump) system for enclosed dehumidification regeneration system machine of the present invention comprises the compressor 1 be connected in turn in a circulation line, described condenser 2, reservoir 3, device for drying and filtering 4, magnetic valve 5, expansion valve 6 and described evaporimeter 7.Condenser 2 and evaporimeter 7 need be arranged in closed circular regeneration air channel 11, and all the other components of refrigerating circuit are then to be arranged in this circular regeneration air channel 11, also can be arranged on other position outside circular regeneration air channel.
The course of work of enclosed dehumidification regeneration system machine is according to a first embodiment of the present invention as follows.
First, the condensation heat utilizing condenser 2 to produce substitutes traditional electrical heating or steam-heated mode carrys out thermal regeneration air, is namely heated by condenser 2, makes the temperature of air reach the requirement of regeneration temperature.Then, entered the renewing zone 82 of desiccant wheel 8 by the high temperature air after heating, desiccant wheel 8 is regenerated, the adsorbent desorb under the effect of high temperature air desiccant wheel 8 having absorbed moisture is discharged, thus adsorbent is regenerated, moisture is discharged with air.Now, the water capacity of hot blast increases, and when by evaporimeter 7, the moisture in high temperature air cools through evaporimeter 7 and condenses, and forms the globule, discharges from discharge outlet 71.Finally, under the effect of blower fan 9, got back to condenser 2 by a part of cold wind of lowering the temperature again, restart circulation; Meanwhile, another part cold wind enters recuperation of heat path 10, carries out precooling (i.e. recuperation of heat), then return main circular regeneration air channel 11 to the heat recovery area 81 of higher temperature after regeneration.
In practice, the temperature of the renewing zone 82 of desiccant wheel 8 is higher (such as reaching about 80 DEG C), and the temperature of adsorption zone 83 lower (such as about 10 DEG C), under having added cold wind action that a heat recovery area 81(introduces at recuperation of heat path 10 between, its temperature can reach such as about 15 DEG C), thus can more promptly be cooled to low temperature needed for adsorption zone 83 from the high temperature of renewing zone 82, thus significantly promote adsorption effect, and then improve the wettability power of desiccant wheel 8.
In addition, this enclosed dehumidification regeneration system machine of the present invention can independently use, and also can use in combination with other Dehumidifying element (such as cooled dehumidifier unit), widely applicable.
Fig. 4 shows enclosed dehumidification regeneration system machine according to a second embodiment of the present invention, and it mainly comprises: the circular regeneration air channel 11 closed; Be arranged on the blower fan 9 in circular regeneration air channel 11, evaporimeter 7, subcooler 12 and condenser 2; Partly be arranged on the desiccant wheel 8 in circular regeneration air channel 11; And be formed as the recuperation of heat air channel 10 of branch road in circular regeneration air channel 11.
That is, on the basis of aforementioned first embodiment, between the condenser 2 in circular regeneration air channel 11 and evaporimeter 7, subcooler 12 is provided with.
The circular regeneration air channel 11 closed forms a loop checking installation, air under the effect of the blower fan 9 be arranged in circular regeneration air channel in any position through evaporator 7, subcooler 12 and condenser 2 at circular regeneration air channel 11 Inner eycle, thus to desiccant wheel 8 carry out regeneration process.Condenser 2 is arranged on the air intake place of desiccant wheel 8, and it utilizes condensation heat to carry out thermal regeneration air intake to regenerate runner.Evaporimeter 7 is arranged on the upstream of condenser 2, its utilize evaporation produce cold hot blast born is again dehumidified, remove regeneration wind in moisture.The moisture condensed by evaporimeter 7 is discharged by discharge outlet 71.
In this embodiment, the air inlet in recuperation of heat air channel 10 is arranged on the upstream side of desiccant wheel 8, particularly on the position between evaporimeter 7 and subcooler 12 in circular regeneration air channel 11, and the air outlet in recuperation of heat air channel 10 is positioned at the downstream of desiccant wheel 8.Be understood that, the particular location of the air inlet in recuperation of heat air channel 10 is variable, also can be arranged between evaporimeter 7 and subcooler 12, or be arranged between subcooler 12 and condenser 2, or any position between the air outlet being arranged on desiccant wheel 8 to evaporimeter 7.
The structure of desiccant wheel 8 and operation principle are equal to the description that above-mentioned composition graphs 2 is done.
As shown in Figure 5, in a second embodiment, refrigeration (heat pump) system for enclosed dehumidification regeneration system machine of the present invention comprises the compressor 1 be connected in turn in a circulation line, described condenser 2, described subcooler 12, reservoir 3, device for drying and filtering 4, magnetic valve 5, expansion valve 6 and described evaporimeter 7.Condenser 2, subcooler 12 and evaporimeter 7 need be arranged in closed circular regeneration air channel 11, and all the other components of refrigerating circuit are then to be arranged in this circular regeneration air channel 11, also can be arranged on other position outside circular regeneration air channel.
The course of work of enclosed dehumidification regeneration system machine is according to a second embodiment of the present invention as follows.
First, the condensation heat utilizing condenser 2 to produce substitutes traditional electrical heating or steam-heated mode carrys out thermal regeneration air, is namely heated by condenser 2, makes the temperature of air reach the requirement of regeneration temperature.Then, entered the renewing zone 82 of desiccant wheel 8 by the high temperature air after heating, desiccant wheel 8 is regenerated, the adsorbent desorb under the effect of high temperature air desiccant wheel 8 having absorbed moisture is discharged, thus adsorbent is regenerated, moisture is discharged with air.Now, the water capacity of hot blast increases, and when by evaporimeter 7, the moisture in high temperature air cools through evaporimeter 7 and condenses, and forms the globule, discharges from discharge outlet 71.Again then, entered subcooler 12 by the cold wind of lowering the temperature, wind-warm syndrome raises and the decline of the temperature of cold-producing medium there.Finally, the air from subcooler 12 gets back to condenser 2 again under the effect of blower fan 9, restarts circulation; Meanwhile, another part air enters recuperation of heat path 10, carries out precooling to heat recovery area 81, then returns main circular regeneration air channel 11.
Owing to having added subcooler 12 between condenser 2 and evaporimeter 7, regeneration air can be made to heat up, and refrigerant temperature is declined, the COP(coefficient of performance of refrigerating of refrigeration system can have been significantly improved like this), be also conducive to the regeneration of desiccant wheel simultaneously.
Fig. 6 shows enclosed dehumidification regeneration system machine according to a third embodiment of the present invention, and it mainly comprises: the circular regeneration air channel 11 closed; Be arranged on the blower fan 9 in circular regeneration air channel 11, evaporimeter 7, condenser 2 and auxiliary heater 15; Partly be arranged on the desiccant wheel 8 in circular regeneration air channel 11; And be formed as the recuperation of heat air channel 10 of branch road in circular regeneration air channel 11.
That is, on the basis of aforementioned first embodiment, be provided with auxiliary heater 15 between the condenser 2 in circular regeneration air channel 11 and desiccant wheel 8, this auxiliary heater can be such as low power electric heater.
The circular regeneration air channel 11 closed forms a loop checking installation, air under the effect of the blower fan 9 be arranged in circular regeneration air channel in any position through evaporator 7, condenser 2 and auxiliary heater 15 at circular regeneration air channel 11 Inner eycle, thus to desiccant wheel 8 carry out regeneration process.Condenser 2 is arranged on the air intake place of desiccant wheel 8, and it utilizes condensation heat to carry out thermal regeneration air intake to regenerate runner.While utilizing condenser 2 to heat, auxiliary heater 15 also carries out auxiliary heating to regeneration air intake.Evaporimeter 7 is arranged on the upstream of condenser 2, its utilize evaporation produce cold hot blast born is again dehumidified, remove regeneration wind in moisture.The moisture condensed by evaporimeter 7 is discharged by discharge outlet 71.
In this embodiment, the air inlet in recuperation of heat air channel 10 is arranged on the upstream side of desiccant wheel 8, and the air outlet in recuperation of heat air channel 10 is positioned at the downstream of desiccant wheel 8.As stated earlier, the particular location of the air inlet in recuperation of heat air channel 10 is variable.
The structure of desiccant wheel 8 and operation principle are equal to the description that above-mentioned composition graphs 2 is done.
The course of work of enclosed dehumidification regeneration system machine is according to a third embodiment of the present invention as follows.
First, the condensation heat utilizing condenser 2 to produce substitutes traditional electrical heating or steam-heated mode carrys out thermal regeneration air, is namely heated by condenser 2, makes the temperature of air reach the requirement of regeneration temperature.While utilizing condenser 2 to heat, auxiliary heater 15 also carries out auxiliary heating to regeneration air intake.Then, entered the renewing zone 82 of desiccant wheel 8 by the high temperature air after heating, desiccant wheel 8 is regenerated, the adsorbent desorb under the effect of high temperature air desiccant wheel 8 having absorbed moisture is discharged, thus adsorbent is regenerated, moisture is discharged with air.Now, the water capacity of hot blast increases, and when by evaporimeter 7, the moisture in high temperature air cools through evaporimeter 7 and condenses, and forms the globule, discharges from discharge outlet 71.Finally, under the effect of blower fan 9, got back to condenser 2 by a part of cold wind of lowering the temperature again, restart circulation; Meanwhile, another part cold wind enters recuperation of heat path 10, carries out precooling to heat recovery area 81, then returns main circular regeneration air channel 11.
Owing to having added auxiliary heater between condenser 2 and desiccant wheel 8, can be supplemented condenser 2 like this, guarantee that regeneration air can be warming up to required temperature, be more conducive to the regeneration of desiccant wheel.
Fig. 7 shows enclosed dehumidification regeneration system machine according to a fourth embodiment of the present invention, and it mainly comprises: the circular regeneration air channel 11 closed; Be arranged on the blower fan 9 in circular regeneration air channel 11, evaporimeter 7 and condenser 2; Be arranged on the auxiliary condenser 16 outside circular regeneration air channel 11, this auxiliary condenser 16 is connected with condenser 2; Partly be arranged on the desiccant wheel 8 in circular regeneration air channel 11; And be formed as the recuperation of heat air channel 10 of branch road in circular regeneration air channel 11.
That is, on the basis of aforementioned first embodiment, be provided with and be in auxiliary condenser 16 outside circular regeneration air channel 11, that be connected with condenser 2.
The circular regeneration air channel 11 closed forms a loop checking installation, air under the effect of the blower fan 9 be arranged in circular regeneration air channel in any position through evaporator 7 and condenser 2 at circular regeneration air channel 11 Inner eycle, thus regeneration process is carried out to desiccant wheel 8.Condenser 2 is arranged on the air intake place of desiccant wheel 8, and it utilizes condensation heat to carry out thermal regeneration air intake to regenerate runner.Evaporimeter 7 is arranged on the upstream of condenser 2, its utilize evaporation produce cold hot blast born is again dehumidified, remove regeneration wind in moisture.The moisture condensed by evaporimeter 7 is discharged by discharge outlet 71.
In this embodiment, the air inlet in recuperation of heat air channel 10 is arranged on the upstream side of desiccant wheel 8, and the air outlet in recuperation of heat air channel 10 is positioned at the downstream of desiccant wheel 8.As mentioned before, the particular location of the air inlet in recuperation of heat air channel 10 is variable.
The structure of desiccant wheel 8 and operation principle are equal to the description that above-mentioned composition graphs 2 is done.
As shown in Figure 8, in the fourth embodiment, refrigeration (heat pump) system for enclosed dehumidification regeneration system machine of the present invention comprises the compressor 1 be connected in turn in a circulation line, described condenser 2, auxiliary condenser 16, reservoir 3, device for drying and filtering 4, magnetic valve 5, expansion valve 6 and described evaporimeter 7.Condenser 2 and evaporimeter 7 need be arranged in closed circular regeneration air channel 11, auxiliary condenser 16 need be arranged on outside closed circular regeneration air channel 11, all the other components of refrigerating circuit are then to be arranged in this circular regeneration air channel 11, also can be arranged on other position outside circular regeneration air channel.
The course of work of enclosed dehumidification regeneration system machine is according to a fourth embodiment of the present invention as follows.
First, the condensation heat utilizing condenser 2 to produce substitutes traditional electrical heating or steam-heated mode carrys out thermal regeneration air, is namely heated by condenser 2, makes the temperature of air reach the requirement of regeneration temperature.Be arranged on the auxiliary condenser 16 that is connected outside circular regeneration air channel 11 and with condenser 2 by cooling device, such as water cooling plant, air cooling equipment or other any suitable cooling device are controlled, thus control the air themperature in circular regeneration air channel 11.Then, entered the renewing zone 82 of desiccant wheel 8 by the high temperature air after heating, desiccant wheel 8 is regenerated, the adsorbent desorb under the effect of high temperature air desiccant wheel 8 having absorbed moisture is discharged, thus adsorbent is regenerated, moisture is discharged with air.Now, the water capacity of hot blast increases, and when by evaporimeter 7, the moisture in high temperature air cools through evaporimeter 7 and condenses, and forms the globule, discharges from discharge outlet 71.Finally, under the effect of blower fan 9, got back to condenser 2 by the portion of air of lowering the temperature again, restart circulation; Meanwhile, another part air enters recuperation of heat path 10, carries out precooling to heat recovery area 81, then returns main circular regeneration air channel 11.
In this embodiment, auxiliary condenser 16 can be used for regulating the condensation heat in air channel and regeneration temperature, thus control system is stably run, can not the overheated rough sledding of generation systems.
Fig. 9 shows enclosed dehumidification regeneration system machine according to a fifth embodiment of the present invention, and it mainly comprises: the circular regeneration air channel 11 closed; Be arranged on the blower fan 9 in circular regeneration air channel 11, evaporimeter 7, subcooler 12 and condenser 2; Be arranged on the auxiliary condenser 16 outside circular regeneration air channel 11, this auxiliary condenser 16 is connected with condenser 2; Partly be arranged on the desiccant wheel 8 in circular regeneration air channel 11; And be formed as the recuperation of heat air channel 10 of branch road in circular regeneration air channel 11.
That is, on the basis of aforementioned first embodiment, between the condenser 2 in circular regeneration air channel 11 and evaporimeter 7, subcooler 12 is provided with; And be provided with and be in auxiliary condenser 16 outside circular regeneration air channel 11, that be connected with condenser 2.
The circular regeneration air channel 11 closed forms a loop checking installation, air under the effect of the blower fan 9 be arranged in circular regeneration air channel in any position through evaporator 7, subcooler 12 and condenser 2 at circular regeneration air channel 11 Inner eycle, thus to desiccant wheel 8 carry out regeneration process.Condenser 2 is arranged on the air intake place of desiccant wheel 8, and it utilizes condensation heat to carry out thermal regeneration air intake to regenerate runner.Evaporimeter 7 is arranged on the upstream of condenser 2, its utilize evaporation produce cold hot blast born is again dehumidified, remove regeneration wind in moisture.The moisture condensed by evaporimeter 7 is discharged by discharge outlet 71.
In this embodiment, the air inlet in recuperation of heat air channel 10 is arranged on the upstream side of desiccant wheel 8, particularly on the position between evaporimeter 7 and subcooler 12 in circular regeneration air channel 11, and the air outlet in recuperation of heat air channel 10 is positioned at the downstream of desiccant wheel 8.As stated earlier, the particular location of the air inlet in recuperation of heat air channel 10 is variable.
The structure of desiccant wheel 8 and operation principle are equal to the description that above-mentioned composition graphs 2 is done.
As shown in Figure 10, in the 5th embodiment, refrigeration (heat pump) system for enclosed dehumidification regeneration system machine of the present invention comprises the compressor 1 be connected in turn in a circulation line, described condenser 2, auxiliary condenser 16, subcooler 12, reservoir 3, device for drying and filtering 4, magnetic valve 5, expansion valve 6 and described evaporimeter 7.Condenser 2, subcooler 12 and evaporimeter 7 need be arranged in closed circular regeneration air channel 11, auxiliary condenser 16 need be arranged on outside closed circular regeneration air channel 11, all the other components of refrigerating circuit are then to be arranged in this circular regeneration air channel 11, also can be arranged on other position outside circular regeneration air channel.
The course of work of enclosed dehumidification regeneration system machine is according to a fifth embodiment of the present invention as follows.
First, the condensation heat utilizing condenser 2 to produce substitutes traditional electrical heating or steam-heated mode carrys out thermal regeneration air, is namely heated by condenser 2, makes the temperature of air reach the requirement of regeneration temperature.Be arranged on the auxiliary condenser 16 that is connected outside circular regeneration air channel 11 and with condenser 2 by cooling device, such as water cooling plant, air cooling equipment or other any suitable cooling device are controlled, thus the air themperature in controlled circulation regeneration air channel 11.Then, entered the renewing zone 82 of desiccant wheel 8 by the high temperature air after heating, desiccant wheel 8 is regenerated, the adsorbent desorb under the effect of high temperature air desiccant wheel 8 having absorbed moisture is discharged, thus adsorbent is regenerated, moisture is discharged with air.Now, the water capacity of hot blast increases, and when by evaporimeter 7, the moisture in high temperature air cools through evaporimeter 7 and condenses, and forms the globule, discharges from discharge outlet 71.Again then, entered subcooler 12 by the cold wind of lowering the temperature, wind-warm syndrome raises and the decline of the temperature of cold-producing medium there.Finally, the air from subcooler 12 gets back to condenser 2 again under the effect of blower fan 9, restarts circulation; Meanwhile, another part air enters recuperation of heat path 10, carries out precooling (i.e. recuperation of heat) to heat recovery area 81, then returns main circular regeneration air channel 11.
In this embodiment, owing to having added subcooler 12 between condenser 2 and evaporimeter 7, regeneration air can be made to heat up, and refrigerant temperature is declined, such COP(coefficient of performance of refrigerating that can significantly improve refrigeration system), be also conducive to the regeneration of desiccant wheel simultaneously.In addition, auxiliary condenser 16 can be used for regulating the condensation heat in air channel and regeneration temperature, thus control system is stably run, can not the overheated rough sledding of generation systems.
The effect of the present invention in energy-conservation will be illustrated below by an example.
For the ease of comparing, typical process air mass flow is selected to be 12000m
3the rotary dehumidifier of/h is analyzed.Require air-out dew point Td≤13 ± 3 DEG C, when environment air intake be 18 DEG C, relative humidity 85% time, moisture removal is 34kg/h.
The present invention adopts Danfoss brand, and model is the Scroll Inverter Compressor of VSH088 is the compressor of refrigeration system.For the enclosed dehumidification regeneration system machine in employing recuperation of heat air channel of the present invention, experiment and the result calculated show: when regeneration temperature 56 DEG C, regeneration add when heat is 38kW and can reach required dehumidification requirements, now the power consumption of enclosed dehumidification regeneration system machine of the present invention is 7.8kW.
For traditional open type regeneration wind system, because regeneration wind is surrounding air, atmospheric water content is high, and regeneration temperature need reach 70 DEG C of ability and meet dehumidification requirements, and therefore regeneration heating needs 4000m
3the surrounding air of/h is heated to 70 DEG C, and it regenerates electrically heated power consumption is 69kW.
When " system of the heat pump regeneration heating-type energy-saving dehumidifier " (patent No.: time 200910053378.7) adopting CN101672502 to disclose, owing to there is no the structure of recuperation of heat of the present invention, subcooler etc., the COP of refrigeration machine reduces, regeneration adds heat and rises, and the power consumption of regeneration wind system is 11kW.
Therefore, Integrated comparative, adopts dehumidifier of the present invention, than the dehumidifier energy-conservation 88% of traditional open type regeneration wind system, than the dehumidifier energy-conservation 29.1% of " system of heat pump regeneration heating-type energy-saving dehumidifier " of employing CN101672502, and energy-saving effect highly significant.
Although be more than described structure of the present invention, principle and effect in conjunction with several preferred embodiment, but it should be understood that, those of ordinary skill in the art should make various equivalent modification and change on the basis of above disclosure, such as, auxiliary heater 15 can also be combined with subcooler 12 and/or auxiliary condenser 16.Therefore, protection scope of the present invention should not be limited to above specifically described content, but should be limited by appended claims.
Claims (10)
1. an enclosed dehumidification regeneration system machine, comprising:
The circular regeneration air channel (11) closed;
Be arranged on the blower fan (9) in described circular regeneration air channel (11), evaporimeter (7) and condenser (2);
Partly be arranged on the desiccant wheel (8) in described circular regeneration air channel (11); And
Be formed as the recuperation of heat air channel (10) of the branch road of described circular regeneration air channel (11), the air inlet of described recuperation of heat air channel (10) is positioned at the upstream side of described desiccant wheel (8), and the air outlet of recuperation of heat air channel (10) is positioned at the downstream of described desiccant wheel (8)
Wherein, described condenser (2) is arranged on the air intake place of desiccant wheel (8), and described evaporimeter (7) is arranged on the upstream of described condenser (2),
Wherein, described desiccant wheel (8) comprises heat recovery area (81), renewing zone (82) and adsorption zone (83), and described heat recovery area (81) are arranged between described renewing zone (82) and adsorption zone (83) and also correspond to described recuperation of heat air channel.
2. enclosed dehumidification regeneration system machine as claimed in claim 1, it is characterized in that, described condenser (2) and described evaporimeter (7) are parts for a refrigeration system, and described refrigeration system also comprises: to be arranged within described circular regeneration air channel (11) or outside compressor (1) and expansion valve (6).
3. enclosed dehumidification regeneration system machine as claimed in claim 1, it is characterized in that, described condenser (2) and described evaporimeter (7) are parts for a refrigeration system, described refrigeration system comprises the compressor (1) be connected in turn in a circulation line, described condenser (2), reservoir (3), device for drying and filtering (4), magnetic valve (5), expansion valve (6) and described evaporimeter (7), wherein, described compressor (1), described reservoir (3), described device for drying and filtering (4), described magnetic valve (5) and described expansion valve (6) to be arranged within described circular regeneration air channel (11) or outside.
4. enclosed dehumidification regeneration system machine as claimed in claim 1, is characterized in that, also comprise: to be arranged in described circular regeneration air channel (11) and the subcooler (12) be positioned between described condenser (2) and described evaporimeter (7).
5. enclosed dehumidification regeneration system machine as claimed in claim 4, it is characterized in that, the air inlet of described recuperation of heat air channel (10) is arranged on one of following position: between described evaporimeter (7) between described evaporimeter (7) and subcooler (12), between described subcooler (12) and condenser (2) or at the air outlet of described desiccant wheel (8).
6. enclosed dehumidification regeneration system machine as claimed in claim 4, it is characterized in that, described condenser (2) and described evaporimeter (7) are parts for a refrigeration system, described refrigeration system comprises the compressor (1) be connected in turn in a circulation line, described condenser (2), described subcooler (12), reservoir (3), device for drying and filtering (4), magnetic valve (5), expansion valve (6) and described evaporimeter (7), wherein, described compressor (1), described reservoir (3), described device for drying and filtering (4), described magnetic valve (5) and described expansion valve (6) to be arranged within described circular regeneration air channel (11) or outside.
7. the enclosed dehumidification regeneration system machine as described in claim 1 or 4, is characterized in that, also comprise: be arranged on the auxiliary condenser (16) outside described circular regeneration air channel (11), this auxiliary condenser (16) is connected with described condenser (2).
8. enclosed dehumidification regeneration system machine as claimed in claim 7, it is characterized in that, described condenser (2) and described evaporimeter (7) are parts for a refrigeration system, described refrigeration system comprises the compressor (1) be connected in turn in a circulation line, described condenser (2), described auxiliary condenser (16), reservoir (3), device for drying and filtering (4), magnetic valve (5), expansion valve (6) and described evaporimeter (7), wherein, described compressor (1), described reservoir (3), described device for drying and filtering (4), described magnetic valve (5) and described expansion valve (6) to be arranged within described circular regeneration air channel (11) or outside.
9. enclosed dehumidification regeneration system machine as claimed in claim 1, is characterized in that, also comprise: to be arranged in described circular regeneration air channel (11) and the auxiliary heater (15) be positioned between described condenser (2) and described desiccant wheel (8).
10. enclosed dehumidification regeneration system machine as claimed in claim 1, is characterized in that, the described renewing zone (82) of described desiccant wheel (8), area ratio between described adsorption zone (83) and described heat recovery area (11) and partition shapes are all variable.
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| CN110345588A (en) * | 2019-06-27 | 2019-10-18 | 北京建筑大学 | A kind of evaporative cooling system of multiple rollers coordinated type |
| CN115301046A (en) * | 2022-08-09 | 2022-11-08 | 无锡城市职业技术学院 | Steel case roof beam duplex condition dehydrating unit |
| US11821650B2 (en) | 2017-11-22 | 2023-11-21 | Munters Europe Ab | Dehumidification system and method |
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