CN101915471A - Hydraulic pressure type hot water recovery unit - Google Patents
Hydraulic pressure type hot water recovery unit Download PDFInfo
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- CN101915471A CN101915471A CN 201010271477 CN201010271477A CN101915471A CN 101915471 A CN101915471 A CN 101915471A CN 201010271477 CN201010271477 CN 201010271477 CN 201010271477 A CN201010271477 A CN 201010271477A CN 101915471 A CN101915471 A CN 101915471A
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Abstract
The invention discloses a hydraulic pressure type hot water recovery unit, relating to a water-saving frost crack resistant device and aiming at providing a hydraulic pressure type hot water recovery unit which has simple structure, saves water and energy and can prevent pipelines from frost crack. The recovery unit is composed of a blowoff valve, a cold water pipe, a cold water tank, a cold water valve and a water pump, wherein the blowoff valve comprises three working holes, the first working hole is communicated with a hot water tank, the second working hole is communicated with an outlet valve via a hot water pipe, and the third working hole is communicated with external air; one end of the cold water pipe is connected on the junction of the hot water pipe and the outlet valve, and the other end thereof is arranged in the cold water tank; the water pump and the cold water valve are arranged on the cold water pipe; and the cold water tank is internally provided with a water level sensing device. When the outlet valve is opened, the first working hole and the second working hole of the blowoff valve are communicated, and the cold water valve and the water pump are closed; when the outlet valve is closed, the cold water valve is opened, and the water pump is started; and when the water level sensing device senses a low water level, the water pump is closed, and the second working hole and the third working hole are communicated.
Description
Technical field
The present invention relates to a kind of anti-freezing economical and split device, particularly relate to a kind of hydraulic pressure type hot water recovery unit.
Background technology
Solar water heater generally is made up of heat collector, boiler and upper and lower water lines three parts, heat collector and boiler generally are installed in the top layer of building, flowing water Valve is connected in the user family by one section long hot-water line, after flowing water Valve is closed a period of time, the hot water that retains in the hot-water line can turn cold gradually, after the user opens flowing water Valve once more, just can flow out hot water after will flowing out one section cold water earlier usually.When temperature was lower in the winter time, the water that retains in the hot-water line also can freeze the hot-water line bursting by freezing, and for fear of the hot-water line bursting by freezing, the method that adopts is that pipeline installs electric-heating belt and tube emptying method outward additional at present.Freeze stifled problem though the electric-heating belt method has solved hot-water line, this method power consumption is more, and has potential safety hazard.The tube emptying method is after using the hot water in the hot-water line to be emitted, and makes pipeline become " sky ", though the method can solve hot-water line bursting by freezing problem, the hot water in the hot-water line is discharged the waste that has promptly caused water resource, has also caused the waste of heat energy.
Summary of the invention
The technical problem to be solved in the present invention provide a kind of simple in structure, save water and energy, and can prevent the hydraulic pressure type hot water recovery unit of frost crack pipe.
Hydraulic pressure type hot water recovery unit of the present invention, comprise exhaust-valve, cold water pipe, cold water storage cistern, cold valves and water pump, described exhaust-valve comprises three working holes, first working hole and boiler are connected, second working hole is connected with flowing water Valve by hot-water line, the 3rd working hole is connected with ambient atmosphere, one end of described cold water pipe is connected the junction of hot-water line and flowing water Valve, the other end is located in the cold water storage cistern, described water pump and cold valves are installed on the cold water pipe, are provided with water level inductor in the described cold water storage cistern;
When flowing water Valve was opened, first working hole and second working hole of described exhaust-valve were connected, and the 3rd working hole is closed, and described cold valves and water pump are closed;
When flowing water Valve is closed, open described cold valves, described starting mode of pump, when water level inductor is sensed low water level, described water pump cuts out, and first working hole of described exhaust-valve is closed, and second working hole and the 3rd working hole are communicated with, when water level inductor was sensed high water level, described cold valves was closed.
Hydraulic pressure type hot water recovery unit of the present invention, wherein said cold valves and water pump are connected on the cold water pipe, and described water pump is the water pump with reflux characteristic.
Hydraulic pressure type hot water recovery unit of the present invention, wherein said water pump are centrifugal water pump.
Hydraulic pressure type hot water recovery unit of the present invention, wherein said cold valves and water pump are connected in parallel on the cold water pipe.
Hydraulic pressure type hot water recovery unit of the present invention, wherein said water pump are helicoidal pump, piston pump or membrane pump.
Hydraulic pressure type hot water recovery unit of the present invention, wherein said water level inductor comprises high water level inductor, low water level inductor and swims in the floating block on the water surface in the cold water storage cistern that described high water level inductor and low water level inductor are installed in the high water level position and the low water level position of cold water storage cistern respectively.
Hydraulic pressure type hot water recovery unit of the present invention, wherein said high water level inductor is installed in the cold water storage cistern by Height Adjustment mechanism.
Hydraulic pressure type hot water recovery unit of the present invention, wherein said high water level inductor and low water level inductor are microswitch.
Hydraulic pressure type hot water recovery unit of the present invention, wherein said cold water storage cistern also is circumscribed with water inlet pipe, and water intaking valve also is housed on the described water inlet pipe.
Hydraulic pressure type hot water recovery unit difference from prior art of the present invention is that hydraulic pressure type hot water recovery unit of the present invention installed exhaust-valve on the hot water line, cold water pipe and cold water storage cistern have been installed between hot-water line and flowing water Valve, utilize water pump on the cold water pipe with in the water suction hot-water line in the cold water storage cistern, in the middle of the hot water top backheat water tank in the hot-water line, after hot water is got back to boiler fully, water pump cuts out, exhaust-valve is communicated with atmosphere, cold water in the hot-water line is got back in the cold water storage cistern along cold water pipe, this device is got back in the boiler hot water that is deposited in the hot-water line, the waste of the hot water of avoiding then with the hot-water line emptying, prevents that hot-water line is by bursting by freezing.
Below in conjunction with accompanying drawing hydraulic pressure type hot water recovery unit of the present invention is described further.
Description of drawings
Fig. 1 is the structural representation of first kind of embodiment of hydraulic pressure type hot water recovery unit of the present invention;
Fig. 2 is the structural representation of second kind of embodiment of hydraulic pressure type hot water recovery unit of the present invention.
The specific embodiment
Embodiment 1
As shown in Figure 1, hydraulic pressure type hot water recovery unit of the present invention comprises exhaust-valve 1, cold water pipe 2, cold water storage cistern 3, cold valves 4 and water pump 5, exhaust-valve 1 comprises three working holes, first working hole and boiler 6 are connected, second working hole is connected with flowing water Valve 8 by hot-water line 7, the 3rd working hole is connected with ambient atmosphere, one end of cold water pipe 2 is connected the junction of hot-water line 7 and flowing water Valve 8, the other end is located in the cold water storage cistern 3, water pump 5 and cold valves 4 are installed in series on cold water pipe 2, and water pump 5 adopts the centrifugal water pump with reflux characteristic.Cold water storage cistern 3 also is circumscribed with water inlet pipe 13, and water intaking valve 14 also is housed on the water inlet pipe 13.Be provided with water level inductor in the cold water storage cistern 3, water level inductor comprises high water level inductor 9, low water level inductor 10 and swims in the floating block 11 on the water surface in the cold water storage cistern 3, high water level inductor 9 is installed in high water level position in the cold water storage cistern 3 by Height Adjustment mechanism 12, low water level inductor 10 is installed in the low water level position of cold water storage cistern 3, and high water level inductor 9 and low water level inductor 10 are microswitch.
Before the normal use of hydraulic pressure type hot water recovery unit of the present invention, according to the sizeable cold water storage cistern 3 of the Capacity Selection of hot-water line 7, regulate Height Adjustment mechanism 12, make the water yield between high water level inductor 9 and the low water level inductor 10 just in time can be full of hot-water line 7, and just in time arrive the position of exhaust-valve 1.
The course of work of hydraulic pressure type hot water recovery unit of the present invention is as follows:
When flowing water Valve 8 was opened, first working hole and second working hole of exhaust-valve 1 were connected, and the 3rd working hole is closed, and cold valves 4 and water pump 5 are closed, and hot water HW flows out from flowing water Valve 8;
When flowing water Valve 8 is closed, if need to reclaim hot water, open cold valves 4, water pump 5 starts, water pump 5 is with in the cold water CW suction hot-water line 7 in the cold water storage cistern 3, the hot water HW that retains in the hot-water line 7 upwards returns in the boiler 6 under the pressure effect of water pump 5, when the cold water CW in the cold water storage cistern 3 arrives exhaust-valve 1, water level in the cold water storage cistern 3 is reduced to the low water level position, floating block 11 triggers low water level inductor 10, and water pump 5 cuts out, and first working hole of exhaust-valve 1 is closed, second working hole and the 3rd working hole are communicated with, cold water CW in the hot-water line 7 gets back in the cold water storage cistern 3 along cold water pipe 2, and after cold water CW got back to cold water storage cistern 3 fully, floating block 11 triggered high water level inductor 9, cold valves 4 is closed, and be full of air in the hot-water line 7 this moment.
The structure of water level inductor in the hydraulic pressure type hot water recovery unit of the present invention except putting down in writing in the above-mentioned embodiment can also adopt the structure of other similar effects, for example floating ball valve structure etc.
As shown in Figure 2, second kind of embodiment of hydraulic pressure type hot water recovery unit of the present invention is that with the difference of first kind of embodiment cold valves 4 ' and water pump 5 ' adopt mode in parallel to be installed on the cold water pipe 2, and water pump 5 ' adopts helicoidal pump, piston pump or the membrane pump that does not have reflux characteristic.
Also difference to some extent of embodiment in its course of work and first:
When flowing water Valve 8 was opened, first working hole and second working hole of exhaust-valve 1 were connected, and the 3rd working hole is closed, and cold valves 4 ' and water pump 5 ' are closed, and hot water HW flows out from flowing water Valve 8;
When flowing water Valve 8 is closed, cold valves 4 ' is still closed, if need to reclaim hot water, start water pump 5 ', water pump 5 ' is with in the cold water CW suction hot-water line 7 in the cold water storage cistern 3, the hot water HW that retains in the hot-water line 7 upwards returns in the boiler 6 under the pressure effect of water pump 5 ', when the cold water CW in the cold water storage cistern 3 arrives exhaust-valve 1, water level in the cold water storage cistern 3 is reduced to the low water level position, and floating block 11 triggers low water level inductor 10, and water pump 5 ' cuts out, first working hole of exhaust-valve 1 is closed, second working hole and the 3rd working hole are communicated with, and cold valves 4 ' is opened simultaneously, and the cold water CW in the hot-water line 7 gets back in the cold water storage cistern 3 along cold water pipe 2, after cold water CW gets back to cold water storage cistern 3 fully, floating block 11 triggers high water level inductor 9, and cold valves 4 ' is closed, and be full of air in the hot-water line 7 this moment.
Above-described embodiment is described preferred implementation of the present invention; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that those of ordinary skills make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (9)
1. hydraulic pressure type hot water recovery unit, it is characterized in that: comprise exhaust-valve (1), cold water pipe (2), cold water storage cistern (3), cold valves (4) and water pump (5), described exhaust-valve (1) comprises three working holes, first working hole and boiler (6) are connected, second working hole is connected with flowing water Valve (8) by hot-water line (7), the 3rd working hole is connected with ambient atmosphere, one end of described cold water pipe (2) is connected the junction of hot-water line (7) and flowing water Valve (8), the other end is located in the cold water storage cistern (3), described water pump (5) and cold valves (4) are installed on the cold water pipe (2), and described cold water storage cistern is provided with water level inductor in (3);
When flowing water Valve (8) when opening, first working hole and second working hole of described exhaust-valve (1) are connected, and the 3rd working hole is closed, and described cold valves (4) and water pump (5) are closed;
When flowing water Valve (8) when closing, open described cold valves (4), described water pump (5) starts, when water level inductor is sensed low water level, described water pump (5) cuts out, and first working hole of described exhaust-valve (1) is closed, and second working hole and the 3rd working hole are communicated with, when water level inductor was sensed high water level, described cold valves (4) was closed.
2. hydraulic pressure type hot water recovery unit according to claim 1 is characterized in that: described cold valves (4) and water pump (5) are connected on the cold water pipe (2), and described water pump (5) is for possessing the water pump of reflux characteristic.
3. hydraulic pressure type hot water recovery unit according to claim 2 is characterized in that: described water pump (5) is a centrifugal water pump.
4. hydraulic pressure type hot water recovery unit according to claim 1 is characterized in that: described cold valves (4 ') and water pump (5 ') are connected in parallel on the cold water pipe (2).
5. hydraulic pressure type hot water recovery unit according to claim 4 is characterized in that: described water pump (5 ') is helicoidal pump, piston pump or membrane pump.
6. the hydraulic pressure type hot water recovery unit one of described according to claim 1 to 5, it is characterized in that: described water level inductor comprises high water level inductor (9), low water level inductor (10) and swims in floating block (11) on the interior water surface of cold water storage cistern (3) that described high water level inductor (9) and low water level inductor (10) are installed in the high water level position and the low water level position of cold water storage cistern (3) respectively.
7. hydraulic pressure type hot water recovery unit according to claim 6 is characterized in that: described high water level inductor (9) is installed in the cold water storage cistern (3) by Height Adjustment mechanism (12).
8. hydraulic pressure type hot water recovery unit according to claim 7 is characterized in that: described high water level inductor (9) and low water level inductor (10) are microswitch.
9. hydraulic pressure type hot water recovery unit according to claim 8 is characterized in that: described cold water storage cistern (3) also is circumscribed with water inlet pipe (13), and water intaking valve (14) also is housed on the described water inlet pipe (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102714775A CN101915471B (en) | 2010-09-03 | 2010-09-03 | Hydraulic pressure type hot water recovery unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102714775A CN101915471B (en) | 2010-09-03 | 2010-09-03 | Hydraulic pressure type hot water recovery unit |
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| Publication Number | Publication Date |
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| CN101915471A true CN101915471A (en) | 2010-12-15 |
| CN101915471B CN101915471B (en) | 2012-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102714775A Expired - Fee Related CN101915471B (en) | 2010-09-03 | 2010-09-03 | Hydraulic pressure type hot water recovery unit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679570A (en) * | 2012-05-29 | 2012-09-19 | 李�杰 | Solar boiler |
| CN102944076A (en) * | 2012-11-05 | 2013-02-27 | 姚楷希 | Hydraulic-pressure-type water-saving and instant-heating device applied to solar water heater |
| CN104515312A (en) * | 2013-09-29 | 2015-04-15 | 北京金博众科技有限公司 | Water supply and return pipe antifreezing and emptying device for solar water heating system |
| CN104567032A (en) * | 2014-11-28 | 2015-04-29 | 浙江师范大学 | Management system for intelligent solar water heater |
| CN113720009A (en) * | 2021-11-01 | 2021-11-30 | 杭州高卡机械有限公司 | Wall-mounted furnace and control method thereof |
Citations (9)
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| US4138996A (en) * | 1977-07-28 | 1979-02-13 | Rheem Manufacturing Company | Solar heater freeze protection system |
| US5823177A (en) * | 1996-01-16 | 1998-10-20 | Whitehead; John C. | Pumpless solar water heater with isolated pressurized storage |
| CN2417434Y (en) * | 2000-04-20 | 2001-01-31 | 薛富春 | Solar energy water heater having water emptying and anti-freezing device |
| CN2443293Y (en) * | 2000-06-02 | 2001-08-15 | 杨德山 | Double energy source water heating system device |
| CN2738175Y (en) * | 2003-09-10 | 2005-11-02 | 张鑫 | Instant discharge instant heat water saving and antifreezing solar water heater |
| CN101196312A (en) * | 2006-12-07 | 2008-06-11 | 冯光远 | Device for pipe evacuation and water consumption control of solar water heater hollow housing body |
| CN201522124U (en) * | 2009-11-13 | 2010-07-07 | 王洪利 | Air pressure type pipeline emptying device for solar energy water heater |
| CN201527112U (en) * | 2009-10-28 | 2010-07-14 | 张�杰 | Integrated two-bucket solar energy heater |
| CN201561586U (en) * | 2009-09-22 | 2010-08-25 | 淄博君合专利技术开发有限公司 | Solar water heater drain device |
-
2010
- 2010-09-03 CN CN2010102714775A patent/CN101915471B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4138996A (en) * | 1977-07-28 | 1979-02-13 | Rheem Manufacturing Company | Solar heater freeze protection system |
| US5823177A (en) * | 1996-01-16 | 1998-10-20 | Whitehead; John C. | Pumpless solar water heater with isolated pressurized storage |
| CN2417434Y (en) * | 2000-04-20 | 2001-01-31 | 薛富春 | Solar energy water heater having water emptying and anti-freezing device |
| CN2443293Y (en) * | 2000-06-02 | 2001-08-15 | 杨德山 | Double energy source water heating system device |
| CN2738175Y (en) * | 2003-09-10 | 2005-11-02 | 张鑫 | Instant discharge instant heat water saving and antifreezing solar water heater |
| CN101196312A (en) * | 2006-12-07 | 2008-06-11 | 冯光远 | Device for pipe evacuation and water consumption control of solar water heater hollow housing body |
| CN201561586U (en) * | 2009-09-22 | 2010-08-25 | 淄博君合专利技术开发有限公司 | Solar water heater drain device |
| CN201527112U (en) * | 2009-10-28 | 2010-07-14 | 张�杰 | Integrated two-bucket solar energy heater |
| CN201522124U (en) * | 2009-11-13 | 2010-07-07 | 王洪利 | Air pressure type pipeline emptying device for solar energy water heater |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679570A (en) * | 2012-05-29 | 2012-09-19 | 李�杰 | Solar boiler |
| CN102944076A (en) * | 2012-11-05 | 2013-02-27 | 姚楷希 | Hydraulic-pressure-type water-saving and instant-heating device applied to solar water heater |
| CN104515312A (en) * | 2013-09-29 | 2015-04-15 | 北京金博众科技有限公司 | Water supply and return pipe antifreezing and emptying device for solar water heating system |
| CN104567032A (en) * | 2014-11-28 | 2015-04-29 | 浙江师范大学 | Management system for intelligent solar water heater |
| CN113720009A (en) * | 2021-11-01 | 2021-11-30 | 杭州高卡机械有限公司 | Wall-mounted furnace and control method thereof |
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| Publication number | Publication date |
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| CN101915471B (en) | 2012-02-22 |
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Granted publication date: 20120222 Termination date: 20160903 |