CN104736214B - Oily method and system are removed for recovered oil with from the oil water mixture obtained - Google Patents
Oily method and system are removed for recovered oil with from the oil water mixture obtained Download PDFInfo
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- CN104736214B CN104736214B CN201380039428.0A CN201380039428A CN104736214B CN 104736214 B CN104736214 B CN 104736214B CN 201380039428 A CN201380039428 A CN 201380039428A CN 104736214 B CN104736214 B CN 104736214B
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- tapping equipment
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- defecator
- oil
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- 238000010079 rubber tapping Methods 0.000 claims abstract description 81
- 239000002002 slurry Substances 0.000 claims abstract description 47
- 238000005406 washing Methods 0.000 claims abstract description 45
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 30
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- 239000007788 liquid Substances 0.000 claims abstract description 24
- 238000005243 fluidization Methods 0.000 claims abstract description 7
- 230000000717 retained Effects 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 239000012530 fluid Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 16
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- 230000004087 circulation Effects 0.000 claims description 6
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- 238000010008 shearing Methods 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 2
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- 238000004140 cleaning Methods 0.000 abstract description 10
- 239000003921 oil Substances 0.000 description 33
- 238000001914 filtration Methods 0.000 description 15
- 241000196324 Embryophyta Species 0.000 description 9
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- 239000004020 conductor Substances 0.000 description 5
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- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
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Abstract
A kind of defecator includes the container for accommodating filter medium such as shuck.Tapping equipment is associated with defecator, and this tapping equipment is for washing and cleaning medium, and removes pollutant such as oil from medium.Tapping equipment includes the ingress port for receiving former hydrodynamic body.Additionally, tapping equipment includes for receiving the ingress port keeping medium in a reservoir.In operation, former hydrodynamic body is directed in tapping equipment, and the medium in container is introduced in tapping equipment by this.By being directed to continuously tapping equipment from external source by former hydrodynamic body, this causes medium fluidisation and circulates with recirculation through tapping equipment, causes the slurry of the pollutant comprising liquid, medium and removing.A part for slurry is discharged from defecator, during medium is retained on defecator simultaneously.
Description
Technical field
The present invention relates to a kind of filter plant, and be specifically related to a kind of media filtration device, e.g., shuck media filtration
Equipment.
Background technology
Medium filter is to it is well known in the art that it, for removing pollutant from fluid, e.g., removes from water and suspend admittedly
Body.Medium filter typically comprises particulate filter medium, and such as sand, anthracite, gravel etc., it is arranged to shape in filtering container
Becoming filter bed, the most pending fluid flows through filter bed so that suspended solid becomes to be captured in and formed between the independent granule of medium
Space in.
Many filtration applies the liquid component that also can need to select from mixture or Emulsion removing, e.g., removes oil from water.?
In the case of this type of, can select filter medium, it is attractive to liquid component to be removed.Such as, shuck such as Semen Juglandis or mountain
The use of Walnut shell can remove oil from water, and wherein oil is adsorbed onto on the surface of shuck.Shuck filter medium is for oil
In gas industry, such as, the water for producing from subterranean strata removes oil and other pollutant.If at shuck filtration stage and
Need other processing stage after, the water of filtration is disposable or re-uses, and such as, returns in rock stratum by reinjecting.
Over time, filter medium will become clogged up or block, such as, by the notable delay of particle
And/or it is coated with liquid pollutant, result in the reduction of filter clogging effect.In order to solve everything, filter medium is regularly
Cleaning, such as, by backwash, medium washing etc..
Backwash typically requires a large amount of water and rinses through medium in opposite direction, to remove the particulate matter filtered.But, single
Only backwash can be not enough to remove all contaminants, e.g., adheres to the oil of medium.In such cases, it is known that mechanically
Washing medium removes the pollutant of adhesion.
Washing can make media bed fluidisation by first making fluid circulate through medium to produce dielectric paste, and then
Make slurry circulate through pump (typically centrifugal pump) from filtration container to realize.Through impeller of pump medium shear action from
Medium releases the pollutant of adhesion, and passes it in liquid phase.In order to remove the pollutant of release, liquid phase from filter
A part and the parts of therefore pollutant remove and be used for throwing aside or other processes, wherein cleaning medium and liquid from filtering container
The other parts of phase return to filter container together with the other parts of the pollutant therefore discharged.Continue to reach applicable in washing
After period, pump stops, and allows medium sinking to be formed media bed again.
But, in the washing of this pump is arranged, there is a risk that, dielectric paste can become owing to removing too much liquid
Excessively concentrate, this may result in dielectric paste become non-flowable or " solidification " washing loop in, need significantly to remedy note
Meaning.Therefore, this type of risk needs the fluid that monitoring continuously is transported in system and removes from system.It addition, use pump to wash back
The container that filters on road must assure that container has enough headroom volumes, i.e. the enough volumes in addition to medium volume, with really
Guarantor can realize and keep the dielectric paste enough diluted, so that it does not solidifies when the part of fluid removes from it.But, increase
The requirement of headroom volume result in comprehensive increase of equipment size, this is undesirable in numerous applications.
Additionally, the level with other power of shearing being formed in pump may result in the noticeable wear of medium, shorten it and can use
Life-span.
Summary of the invention
The present invention brings a kind of from the mistake removing pollutant such as suspended solid and oil to current (such as, e.g., extraction current)
Filter device.Defecator includes filter medium.After filtering the period, when filter medium is owing to being trapped by medium or absorbing Jie
The amount of the pollutant in matter and when becoming poor efficiency, medium fluidizes by making medium and causes fluidizing agent to pass tapping equipment
Washing, shearing force is applied on medium by this tapping equipment, and causes the pollutant adsorbing or adhering to medium to divide with medium
From.The pollutant separated are contained in slurry or other liquid, and discharge from defecator.
In order to introduce in tapping equipment by fluidizing agent, former dynamic fluid or liquid are delivered to tapping equipment.The row of which results in
The low pressure putting at the inhalation port of device and be connected in the defecator of inhalation port, and the fluidizing agent in slurry form
It is effectively drawn in tapping equipment.When medium is through tapping equipment, former hydrodynamic body causes medium experience row with the mixing of medium
Put the mixing of device or wash the sizable turbulent flow in section.This mixing and turbulent flow provide cleaning function, and it removes effectively
The pollutant such as oil becoming being adsorbed onto on medium are removed.This liquid that also results in the pollutant including medium and removing or slurry
Formation.Slurry recirculation continuously passes tapping equipment, until the pollutant of a considerable amount of absorption remove from medium.At this
During process, comprise the liquid of the pollutant of removing or a part for slurry from defecator discharge, be simultaneously contained in liquid or
Medium in slurry is retained in defecator.
Accompanying drawing explanation
Fig. 1 is the schematic diagram illustrating the filter plant according to an embodiment of the invention with filtered model operation.
Fig. 2 is the schematic diagram of the filter plant with the Fig. 1 shown in the starting stage of washing mode.
Fig. 3 is the schematic diagram of the filter plant with the Fig. 1 shown in complete washing mode.
Fig. 4 is the schematic diagram of the filtration system according to an embodiment of the invention of the filter plant being incorporated to Fig. 1.
Fig. 5 is the schematic diagram of the process for processing recovered water, and wherein the filter plant of the present invention comes for advanced treating
Oil is removed from oil water mixture.
Detailed description of the invention
With further reference to accompanying drawing, filter plant illustrates wherein, and is generally pointed out by labelling 10.As discussed below
, filter plant or defecator 10 are designed to remove oil from water, and also will remove other pollutant, e.g., suspended solid.If
Standby 10 include container 12, and it comprises filter medium 14 therein, and filter medium 14 includes shuck medium in one embodiment.
Shuck has the captivation to oil, and can be used for thus in filter plant for removing oil from water.In the structure of Fig. 1
Shuck 14 be arranged to be formed by sieve 16 supporting media bed, medium 16 is retained in defecator 10 by sieve.Should be understood that
, other type of medium (such as, e.g., plastic bead) can be used in defecator 10.
Defecator 10 includes entry conductor 18, and it is incorporated to valve 20, and valve 20 is structured to the selection of conduit and container 12
Property fluid communication.Entry conductor 18 receives water to be filtered or liquid.Defecator 10 also includes clean water delivery channel 22, its
Be incorporated to valve 24, valve 24 be structured to filter water or liquid discharge from container 12.In filter operation pattern as shown in Figure 1
In, pending water is transported in container 12 via entry conductor 18, and penetrates through downwards media bed 14, wherein clean water
Or filtrate discharges through delivery channel 22 from container 12.When water penetration is through medium 14, granule or suspended solid become trapping
In the space formed between corresponding medium, and the oil in water becomes absorption or adheres to dielectric surface and by media table
Face holds.
Container 12 limit outside Ex-all sky volume 26, be enough to allow the media bed volume forming appropriate depth, as follows
Literary composition will be discussed in detail, and headroom volume 26 allows that medium 14 fluidisation carrys out formation slurry during medium washing operation pattern.
The prolongation of the defecator 10 in filtered model uses and medium 14 will be caused to make dirty, is particularly used as at shuck
Made dirty by the oil adhering to single shuck during filter medium.Thus, medium 14 must be processed to remove absorption or viscous
Attached oil, to keep filter efficiency.As used herein, term absorption or the adhesion meaning are that the oil in water becomes attached with medium
Connect, connect or be associated.These terms are interchangeably for meaning that oil becomes being associated simply, or slightly connect, adsorb or viscous
Invest medium.In order to keep filter efficiency, medium is washed and removes oil and other pollutant with concrete.In one embodiment,
This passes washing section by making medium circulation or arranges and remove oil and realize.In the defecator 10 of an embodiment,
Tapping equipment 28 provides into circulation and washing medium, and this will be described in detail further below.
Tapping equipment 28 includes former dynamic fluid or fluid port 30, and it connects with external source of fluid via conduit 32.Additionally,
Tapping equipment 28 has inhalation port 34 associated there, and inhalation port 34 connects with container 12 via conduit 36.Additionally, row
Putting device 28 and have discharge port 38 associated there, discharge port 38 connects with container 12 via conduit 40.Conduit 32 He
36 all include corresponding valve 42 and 44, they provide the selectivity through it and are in fluid communication.
The operation of the defecator 10 in washing operation pattern illustrates in figs 2 and 3.With reference to Fig. 2, defecator 10 illustrates
In the starting stage of washing operation pattern.First, valve 20 and 24 closes, and valve 60 has utilized and has been retained on headroom volume 26
(Fig. 1) water blockage in closes.Valve 42 is opened so that former hydrodynamic body can be directed in tapping equipment 28, and valve 44 is opened to allow
Tapping equipment 28 causes water from container 12 into and through tapping equipment inhalation port 34.Fluid drainage is passed by tapping equipment 28
Discharge port 38 and conduit 40 are to return to container 12.Nozzle 46 is located on the end of conduit 40, and generates water jet, its
Fig. 2 such as guides downwardly toward lower dielectric 14.The water jet produced disturbs the most as shown in Figure 2 and stirs media bed 14.
When being introduced continuously in container 12 from the fluid of external source by tapping equipment port 30, wash discharge tube
48 provide into be allowed in washing operation during fluid discharge continuously and equally from container 12.Washing discharge tube 48 is also convenient for removing
Depollute thing, e.g., from the oil of medium 14 washing.Conduit 48 includes that valve 50, valve 50 are arranged to allow the selectivity stream through conduit
Body connects.
Being circulated by the continuous water of tapping equipment 28 and cause the medium 14 to become suspending in water the most at last or fluidisation, this leads
Cause slurry.As shown in Figure 3, the slurry including medium 14 will be circulated and recirculation by tapping equipment 28.In this aspect, discharge
Device 28 includes hybrid catheter 52, and the former hydrodynamic body being wherein directed in port 30 mixes with the slurry from container 12, and
This in hybrid catheter 52 mixes generation shearing force and other power effectively, and this causes the washing of the medium through it.Washing of medium
Wash the friction by the medium on the wall of the pipe comprising it or conduit, medium relative to the friction of other media particle, and
Medium is made to experience the bigger shear gradient occurring in turbulent flow and occur.In the present case, this is mainly at tapping equipment
Occurring in the mixing throat of 28, the former hydrodynamic body of its high speed mixes with the dielectric paste extracted out from container 12.Should be understood that
It is to enter the aqueous phase of slurry from the oil of medium washing.Hence, it is recognised that, tapping equipment 28 allows that oil is washed from medium 14
Wash so that the slurry of process discharges from tapping equipment 28 via conduit 40.In the case of processing oil water mixture, the slurry of process
Material discharge includes water or liquid component, oil component and medium 14.
It is to be noted that the variable-length of hybrid catheter 52, to change the clean result in hybrid catheter.
Defecator 10 also includes dielectric separator 54, and it typically comprises sieve 56, and sieve 56 is configured to hold medium, simultaneously
Allow that water and oil component, through it, are used for processing further or throwing aside through conduit 48 with discharge.
After the fully circulation and washing generation of medium 14, tapping equipment 28 is disabled by closure valve 42, to prevent
Former hydrodynamic body enters in tapping equipment.Medium 14 sinks, and filter bed is formed again as shown in Figure 1.After bed sinks, valve
20 open to allow that water passes conduit 18 and enters the connection of container 12, and irrigating catheter 58 is opened by valve 60, solid to allow
Any pollutant etc. held in media bed flush out from it.Once realize the abundant flushing of defecator 10, then device can return
To the filter operation pattern described about Fig. 1.
Former dynamic fluid or liquid for operating tapping equipment 28 can provide from the many different sources that are suitable for container 12.?
In one embodiment, the feedwater to defecator is used as former hydrodynamic body.Former hydrodynamic body pressurizeed before entering tapping equipment 28.Can
Use various pressure, but in one embodiment, the pressure in the pressure ratio container of former hydrodynamic body arrives about larger about 75
100psi.In another example, former hydrodynamic body can provide from the current being forced into high pressure, and this high pressure is that it is ejected in wellhole
Required.This type of layout figure 4 illustrates.
Fig. 4 is the schematic diagram of the fluid handling system generally pointed out by labelling 100, which incorporates shown in Fig. 1-3
Defecator 10.Defecator 10 provides into and works as described above ground, and will not be given thus and further describe.
System 100 includes ejector pump 102, and it is configured by entry conductor 104 and receives water from applicable source 105, this water
By pressurization and discharge through delivery channel 106 to be ejected into subsequently in wellhole 108.Former dynamic fluid port 30 warp of tapping equipment 28
Connected with pump exhaust outlet 106 selectivity with valve 42 by conduit 32 so that open valve 42 and allowed that a part for injection water is from row
Put conduit 106 and reboot into operation tapping equipment 28.Therefore, tapping equipment 28 can use pressurised stream that is existing and that formed to grasp
Make, eliminate the requirement that special current are provided.
One application of defecator 10 is to process recovered water.Fig. 5 shows exemplary application.Process at Fig. 5
In, oil water mixture (frame 112) removes from oil well 110.Once oil water mixture removes from oil well, then exist and mixed with profit by oil
The various processes that compound separates.In example process described in Figure 5, oil water mixture is directed to skimming tank 114.Skimming tank
Work into and skim oil from oil water mixture.In this example process, the gas flotation oil separating device 116 caused is in oil skimming
The downstream of groove.Here, gas disperses in groove, and effectively removes additional oil from oil water mixture.In this stage, quite
Most oil removes from water, but still suffers from the oil being retained in water, and it can be come at least by defecator 10 mentioned above
Partially or substantially remove.Therefore, the effluent from the gas flotation unit 116 caused is directed in entry conductor 18,
And it is media bed that oil water mixture is downward through shown in Fig. 1.During this process, water-related oil removes from it,
And it is attached or adheres to or be adsorbed onto on medium.Oil water mixture or the filtrate filtered are guided out delivery channel 22, and can be through
Go through further downstream to process, to remove other pollutant, e.g., the solid of Silicon stone, hardness and dissolving.
Defecator 10 can be additionally used in process recovered water in off-shore applications.In this case, instead of using mentioned above
Subprocess in some, oil water mixture may pass through cyclone hydraulic separators, and is subsequently passed through degassing container, compact gas flotation
Unit, or non-compact gas flotation unit, and then effluent from it is directed in the defecator 10 of the present invention also
And through defecator 10.
There are many advantages of the defecator 10 of the present invention.All valves in cycles of washing, in addition to valve 42 and 44
Guan Bi.This means that the slurry flowing in tapping equipment inhalation port 34 is filled in discharge by the former dynamic water entered via conduit 32
Put in 28 and dilute, and owing to system is formed by the Guan Bi container of fixed volume, the water of thus like volume is in dielectric separator
With pulp separation in 54, and discharge from conduit 48, conduit 48 therefore as when slurry sucks in tapping equipment by slurry
It is concentrated into identical concentration.This means that system makes the dielectric paste will be at tapping equipment 28 or wash by not taking out so many water
Wash in loop and solidify.Due to this advantage, therefore need not the bigger headroom volume in container, and container can shorten.In existing skill
In art design, dielectric paste concentration is by the volume settings of the medium in the volume of container and container, and this dielectric paste concentration
Backwash speed must be matched with so that dielectric paste does not solidifies in washing loop, and this requirement to cause container to have bigger
Headroom volume.In an exemplary design of the present invention, backwash flow rate reduces, but the persistent period of backwash will extend.If
The container such as present invention shortens with allowing, then the total measurement (volume) of the liquid used during backwash reduces, because this backwash volume is substantially
On based on its, therefore provide about three in container 12 or about four volume change.In alternative, preferably cleaning can
By using the water of same volume to realize with having bigger volume change.
A further advantage is that the design of the present invention can allow the deeper of the medium in the container of existing size
Bed, thus provide more preferably filtering and the longer operation time between washing.
The advantage that there is also the operability of the present invention.In existing pumping system, if pump stream due to pump abrasion or
Its transmission band sliding and reduce, if or backwash flow increase, this can container pressure increase or backwash flow autocontrol system fault
In the case of occur, then this may result in washing loop in solidification dielectric paste.In the present invention, backwash or washing process are complete
Entirely driven by backwash inlet stream, and fluctuation therein can not cause medium to solidify in washing loop.
Present invention also offers use tapping equipment 28, with circulation washing medium, and this can be owing to eliminating rotation
Pumping element such as impeller and reduce the wear rate of medium.In this aspect, it is therefore clear that tapping equipment does not have the special characteristic of pump
(it substantially will cause Mediawear), e.g., the small-gap suture between movable part, its medium can " levigate ", e.g., bull ring, it encloses
Impeller eyelet or pumping stator in impeller back plate extend.
The use of tapping equipment 28 eliminates relevant to the mechanical sealing member of the part forming many shuck filtration systems
The problem of connection.Many kind in the shuck filtration system of prior art uses the pump or mixing being associated with each filtration container
Device produces slurry and cleaning function.Such as, blender design includes mixer shafts, and it extends in container, and this meaning
The mechanical sealing member being difficult to maintain.Additionally, the pump for producing slurry and washing operation also include can fault and need to protect
The mechanical sealing member supported.On the other hand, the present invention uses tapping equipment to produce cleaning function, and does not therefore have sealing member
It is associated with filtering container.
Certainly, the present invention can perform in the way of in addition to those the most clearly illustrated, and without departing from the present invention
Basic feature.The present embodiment will be recognized as being exemplary and nonrestrictive in all respects, and in claims
Meaning and equivalency range in all changes be intended to be included in.
Claims (20)
1., from oil well recovered oil and from a method for the oil water mixture removing oil of gained, described method includes:
Oil water mixture is removed from oil well；
Make oily and described oil water mixture separate and produce recovered water；
Wherein described oily and described oil water mixture is separated and include being directed to have by described oil water mixture being included in
Filter medium defecator in, and oil is adsorbed onto on described medium, and produces the extraction current being relatively free of oil；
Washing the described medium in described defecator in the selected time, and remove oil from described medium, washing is given an account of
The process of matter includes:
Former hydrodynamic body is directed in the tapping equipment being associated with described defecator；
Make the described medium in described defecator fluidize, and the described medium of fluidisation is introduced in described tapping equipment；
Described tapping equipment makes described medium and described former dynamic liquid mixing, and drives described medium through described tapping equipment
In washing section, this causes oil to remove from described medium, and creates the slurry of the oil comprising described medium and removing；
By separating at least partially of described medium and described slurry, and discharge the described part of described slurry and described discharge
Slurry described part in the oil of described removing that comprises；
Continue to be directed in described tapping equipment former hydrodynamic body, and cause the described medium of fluidisation to enter described tapping equipment
In, and with the washing segments contact of described tapping equipment；And
Continue discharge and comprise a part for the oily described slurry removed from described medium.
Method the most according to claim 1, it is characterised in that the washing section of described tapping equipment includes hybrid catheter,
And the described process wherein washing described medium is included in described hybrid catheter and mixes described medium and former hydrodynamic body.
Method the most according to claim 1, it is characterised in that include being pumped into described former hydrodynamic body from source described discharge
In ingress port on device, and wherein said former hydrodynamic body causes medium to enter and institute through the movement of described tapping equipment
State in the inhalation port that tapping equipment is associated.
Method the most according to claim 1, it is characterised in that described defecator is positioned at one or more other device
Downstream, for removing oil from the described oil water mixture removed from described oil well, and wherein said defecator act as removing
Olein processing unit (plant).
Method the most according to claim 1, it is characterised in that described medium is contained in container, and wash and given an account of
What the described process of matter included the described slurry by flowing out described tapping equipment is directed across nozzle, at least partially and by institute
State slurry and be formed as jet, and guide described jet towards the described medium being contained in described defecator.
Method the most according to claim 1, it is characterised in that described defecator include for receive to be filtered described in
The entrance of oil water mixture and filtrate (liquid, and wherein during the washing of described medium, described entrance and filtrate (liquid close
Close.
Method the most according to claim 1, it is characterised in that be included in the washing through described tapping equipment of the described medium
Making described medium experience shearing force during section, this causes washing described medium and removing oil from described medium.
Method the most according to claim 1, it is characterised in that described medium includes shuck, and wherein when described oil
When aqueous mixtures is through described defecator, oil is adsorbed onto on described shuck.
Method the most according to claim 1, it is characterised in that include making the described slurry including described medium therein connect
Continuous ground recirculation reaches the selected time period through described tapping equipment.
Method the most according to claim 1, it is characterised in that make described slurry and medium re-circulation through described row
Put after device reaches the selected time period, stop making described slurry and medium re-circulation through described tapping equipment, and utilize
Aqueous solution rinses and cleans described medium.
11. methods according to claim 1, it is characterised in that include being directed to oil water mixture at least partially
In described tapping equipment, and make described oil water mixture and mix with the described slurry circulating through described tapping equipment.
12. methods according to claim 1, it is characterised in that the described former hydrodynamic body being directed in described tapping equipment
The pressure ratio part that forms described defecator container in big 75psi to the 100psi of pressure.
The method of the filter medium that 13. 1 kinds of washings are contained in defecator, wherein said medium has associated there
Pollutant, described method includes:
By at least some liquid containing in described defecator, wherein said medium has pollutant associated there；
Former hydrodynamic body is directed in the tapping equipment being associated with described defecator；
Described medium and liquid are directed in described tapping equipment, and make described former hydrodynamic body and through described tapping equipment
Described medium and liquid mixing；
Described medium is driven to pass the washing section of described tapping equipment, and from described medium removing pollutant, and wherein
The discharge of described tapping equipment includes the slurry of the pollutant of liquid, medium and removing；
Include a part for the described slurry of the pollutant removed from the discharge of described defecator, hold described medium simultaneously；With
And
Continue to be directed in described tapping equipment former hydrodynamic body, and cause the size circulations including described medium through described
Tapping equipment, and continue at least some being emitted in the described slurry of the pollutant wherein with described removing.
14. methods according to claim 13, it is characterised in that described defecator includes for keeping described medium
Container, and wherein said tapping equipment is positioned in or beyond described container；And wherein said method includes making in described slurry
Described medium fluidisation, and make to include that the described size circulations of described medium and recirculation are through described tapping equipment.
15. methods according to claim 14, it is characterised in that described tapping equipment is positioned at outside described container, and institute
The method of stating includes that the described slurry making to include described medium is recycled to and passes described tapping equipment from described container, and returns to institute
State container, and continue to make described slurry recirculation through described tapping equipment and return to described container.
16. methods according to claim 13, it is characterised in that described filter medium includes shuck.
17. 1 kinds of defecators, including:
For accommodating the container of filter medium；
For receiving the entrance of the feedwater filtered by described defecator；
For the outlet that the feedwater filtered is guided from described defecator；
The tapping equipment being associated with described defecator, it is used for washing described medium and removing pollution from described medium
Thing, and generate the slurry of the pollutant comprising liquid portion, described medium and removing, wherein said tapping equipment operates into and draws
Rise include the slurry of described medium within the selected time period continuously recirculation through described tapping equipment；
Described tapping equipment includes former dynamic fluid port and inhalation port, and wherein said former hydrodynamic body port configuration becomes operatively
It is connected to former hydrodynamic body source of pressurizeing；
Wherein said tapping equipment operates into and makes former hydrodynamic body mix with described slurry, and wherein said tapping equipment operates into
The described slurry including described medium is introduced in described inhalation port；
Wherein said tapping equipment includes washing conduit, and described washing conduit passes described tapping equipment at described medium and slurry
Washing conduit time wash described medium, cause pollutant to remove from described medium；And
Wherein said defecator includes that discharging slurry exports, and it is for discharging a part for described slurry during washing operation
Make the pulp separation of described medium and described discharge simultaneously and described medium is retained in described defecator.
18. defecators according to claim 17, it is characterised in that described tapping equipment be contained in described container or
Outside described container, which provide and be operatively connected to the conduit of described inhalation port and be operatively connected to described discharge
Another conduit of the outlet port of device, and the described slurry wherein circulated at described slurry recirculation through described mistake
It is directed through described inhalation port and outlet port conduit during filter device.
19. defecators according to claim 17, it is characterised in that described defecator forms a part for system,
Described system includes the pump of the described former hydrodynamic body being fed in the former dynamic fluid port of described tapping equipment for pressurization.
20. defecators according to claim 17, it is characterised in that provide the control of described former dynamic fluid port upstream
Valve processed and the control valve of described inhalation port upstream.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/557688 | 2012-07-25 | ||
| US13/557,688 US8828237B2 (en) | 2012-07-25 | 2012-07-25 | Method and system for recovering oil and removing oil from a resulting oil-water mixture |
| PCT/IB2013/055927 WO2014016744A1 (en) | 2012-07-25 | 2013-07-18 | Method and system for recovering oil and removing oil from a resulting oil-water mixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104736214A CN104736214A (en) | 2015-06-24 |
| CN104736214B true CN104736214B (en) | 2016-11-30 |
Family
ID=
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|---|---|---|---|---|
| US5407574A (en) * | 1987-01-09 | 1995-04-18 | Hensley Clifford J | Filter media for filter systems |
| US5635080A (en) * | 1995-11-17 | 1997-06-03 | Hensley Clifford J | Filter system with external scrubber |
| US5746913A (en) * | 1996-05-23 | 1998-05-05 | Chang; Hsiu-Chuan | Continuous sand filter |
| CN1506145A (en) * | 2002-12-09 | 2004-06-23 | 株式会社石垣 | High-speed filtering machine using fiber filtering material |
| CN201135806Y (en) * | 2007-12-17 | 2008-10-22 | 刘超群 | Multi-way multi-layer back washing sand purification apparatus |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5407574A (en) * | 1987-01-09 | 1995-04-18 | Hensley Clifford J | Filter media for filter systems |
| US5635080A (en) * | 1995-11-17 | 1997-06-03 | Hensley Clifford J | Filter system with external scrubber |
| US5746913A (en) * | 1996-05-23 | 1998-05-05 | Chang; Hsiu-Chuan | Continuous sand filter |
| CN1506145A (en) * | 2002-12-09 | 2004-06-23 | 株式会社石垣 | High-speed filtering machine using fiber filtering material |
| CN201135806Y (en) * | 2007-12-17 | 2008-10-22 | 刘超群 | Multi-way multi-layer back washing sand purification apparatus |
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