CN104671356B - Water treatment device and water purifier - Google Patents
Water treatment device and water purifier Download PDFInfo
- Publication number
- CN104671356B CN104671356B CN201510103283.7A CN201510103283A CN104671356B CN 104671356 B CN104671356 B CN 104671356B CN 201510103283 A CN201510103283 A CN 201510103283A CN 104671356 B CN104671356 B CN 104671356B
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- water
- diaphragm
- pure water
- treatment facilities
- water treatment
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 207
- 239000012528 membrane Substances 0.000 claims abstract description 51
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 235000019589 hardness Nutrition 0.000 claims description 6
- 238000001223 reverse osmosis Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 abstract description 8
- 238000010790 dilution Methods 0.000 abstract description 2
- 239000012895 dilution Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 239000002351 wastewater Substances 0.000 description 7
- 239000012466 permeate Substances 0.000 description 4
- 239000013536 elastomeric material Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/03—Pressure
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to a water treatment device and a water purifier. The water treatment device comprises a membrane element and a control device, wherein the membrane element comprises a membrane provided with a pure water end and a water collection pipe capable of being communicated with the pure water end of the membrane, and the control device is arranged on the water collection pipe and opens and closes the membrane element based on the pressure at the pure water end of the membrane. When the pressure at the pure water end of the membrane is higher than or equal to a default value, the control device opens the membrane element; when the pressure at the pure water end of the membrane is smaller than the default value, the control device closes the membrane element. With adoption of the structure, the water treatment device and the water purifier have the following advantages: 1, the TDS (total dissolved solids) value of pure water drained during startup of the water purifier is reduced; 2, the quantity of pure water polluted by impurities is reduced, and the TDS value of the polluted pure water returns to a normal range under follow-up pure water dilution effect.
Description
Technical field
The present invention relates to a kind of purifier, more particularly to a kind of water treatment facilities and water purifier.
Background technology
At present water purifier carries out purified treatment by defecator to water quality.RO membrane cartridges (also known as reverse osmosis membrane filter element) are made
It is widely used for a kind of conventional defecator.RO membrane cartridges have for being input into the raw water entrance of raw water, for exporting
The pure water outlet of pure water and the concentrated water for exporting concentrated water are exported.When RO membrane cartridges are in normal filtration state, raw water exists
Acted on down from the raw water entrance of RO membrane cartridges by external pressure and enter RO membrane filtration in-cores, a part of raw water Jing RO membrane cartridges are filtered
Form pure water and flow out from pure water outlet, the raw water for being left non-filtration fraction forms concentrated water and from the concentrated water outlet stream of RO membrane cartridges
Go out.
Learn through many experiments, (1 liter of the TDS values of the pure water that the water purifier with RO membrane cartridges is produced in just start
In water dissolved with soluble solid milligram number) often higher than in normal filtration state when the TDS values of pure water that produce.
The content of the invention
The applicant has found through multiple repetition test research, and during water purifier is shut down, RO membrane cartridges are no longer influenced by outer
When portion pressure is acted on, remain in originally the impurity on RO membrane cartridges under osmosiss from the film front of high concentration (raw water side and
Waste water side) gradually penetrate into the back side i.e. pure water side of film.When water purifier is started shooting, through RO membrane cartridges filter after pure water with ooze
The impurity entered to pure water side mixes, so as to cause pure water TDS now higher.
Because water treatment facilities of the prior art is not present the control element of remaining water segregation in collector pipe and putamina,
Originally remaining in the impurity on diaphragm can permeate to the pure water end of diaphragm.And the pure water end of diaphragm connects with water pipe, entrance diaphragm
Pure water end impurity can constantly along water pipe to the outlet extreme direction of water pipe permeate.Therefore the concentration value at the pure water end of diaphragm begins
Eventually less than the positive concentration value of diaphragm so that remain in the impurity on diaphragm constantly can permeate to the pure water end of diaphragm.Simultaneously
The impurity at the pure water end of entrance diaphragm can be polluted to a large amount of pure water for having completed to filter originally in water purifier.Therefore it is above-mentioned
Two aspects cause the water purifier of prior art in start, and before TDS values after treatment are in high value.
In order to overcome the drawbacks described above of prior art, the technical problem to be solved to be to provide a kind of water process dress
Put and water purifier, it can reduce the water yield of the water purifier start-up phase in higher TDS values.
To reach above-mentioned purpose, the technical scheme is that：
A kind of water treatment facilities, it includes：
Membrane component, it includes the diaphragm with pure water end and the collector pipe that can be connected with the pure water end of the diaphragm；
Control device, it is arranged on the collector pipe, and is opened and closed the film based on the pressure at the pure water end of the diaphragm
Element.
Preferably, when the pressure at the pure water end of the diaphragm is greater than or equal to preset value, the control device opens institute
State membrane component；When the pressure at the pure water end of the diaphragm is less than preset value, the control device closes the membrane component.
Preferably, the collector pipe has the water inlet that can be connected with the pure water end of the diaphragm, the control device bag
The first elastic component being arranged on the collector pipe is included, is provided with first elastic component and is entered water corresponding to the collector pipe
First control unit of mouth, when the pressure at the pure water end of the diaphragm is greater than or equal to preset value, first control unit is opened；
When the pressure at the pure water end of the diaphragm is less than preset value, first control unit is closed.
Preferably, first elastic component is arranged on the inwall of the collector pipe or outer wall.
Preferably, first elastic component is made up of plastics or rubber.
Preferably, the coefficient of elasticity of first elastic component is 40-80 shore hardnesses.
Preferably, first control unit is in strip slot when in open mode.
Preferably, first control unit is rounded when in open mode.
Preferably, the collector pipe has the outlet that can be connected with the pure water end of the diaphragm, the control device bag
The second elastic component being arranged on the collector pipe is included, the water outlet corresponding to the collector pipe is provided with second elastic component
Second control unit of mouth, when the pressure at the pure water end of the diaphragm is greater than or equal to preset value, second control unit is opened；
When the pressure at the pure water end of the diaphragm is less than preset value, second control unit is closed.
Preferably, second elastic component is arranged on the inwall of the collector pipe or outer wall.
Preferably, second elastic component is made up of plastics or rubber.
Preferably, the coefficient of elasticity of second elastic component is 40-80 shore hardnesses.
Preferably, second control unit is in strip slot when in open mode.
Preferably, second control unit is rounded when in open mode.
Preferably, the collector pipe has outlet, and the control device includes being arranged on the collector pipe water outlet
Pressure-control valve.
Preferably, the diaphragm is reverse osmosis membrane or NF membrane.
Preferably, the membrane component is wound membrane element.
The invention also discloses a kind of water purifier, it includes water treatment facilities described above.
Preferably, the water purifier is without tub water purifier.
Sewerage disposing device of the present invention and water purifier adopt said structure, with advantages below：
1st, reduce discharging the TDS values of pure water when water purifier is started shooting；
2nd, the pure water amount being easily polluted by the external foreign matters is reduced, and under follow-up pure water diluting effect recovers the TDS values of this section of pure water
Normal range.
Description of the drawings
Accompanying drawing described here is only used for task of explanation, and accompanying drawing is never in any form limiting the claims in the present invention institute
The scope and description disclosure of that of protection.In addition, shape and proportional sizes of each part in figure etc. are only schematic
, the understanding of the present invention is used to help, it is not the shape and proportional sizes for specifically limiting each part of the invention.This area
Technical staff under the teachings of the present invention, can as the case may be select various possible shapes and proportional sizes to implement this
Invention.
Fig. 1 is the structural representation of one specific embodiment of sewerage disposing device of the present invention.
Fig. 2 is A-A in Fig. 1 to sectional view.
Fig. 3 is the dimensional structure diagram in Fig. 1.
Fig. 4 is the structural representation of the another embodiment of sewerage disposing device of the present invention.
The reference of the figures above：1st, collector pipe；11st, water inlet；12nd, outlet；2nd, diaphragm；21st, water intake end；22、
Pure water end；23rd, waste water end；3rd, the first elastic component；31st, the first control unit；4th, pressure-control valve.
Specific embodiment
With reference to the description of accompanying drawing and the specific embodiment of the invention, the details of the present invention can be clearly understood.But
It is, the specific embodiment of invention described herein to be only used for explaining the purpose of the present invention, and can not understands by any way
Into being limitation of the present invention.Under the teachings of the present invention, technical staff is contemplated that any possible change based on the present invention
Shape, these are regarded as belonging to the scope of the present invention.
The invention discloses a kind of water treatment facilities, the water treatment facilities includes membrane component, and it is included with pure water end 22
Diaphragm 2 and the collector pipe 1 that can connect with the pure water end 22 of the diaphragm 2；Control device, it is arranged on the collector pipe 1,
And the membrane component is opened and closed based on the pressure at the pure water end 22 of the diaphragm 2.When the pressure at the pure water end 22 of the diaphragm 2 is higher than
Or during equal to preset value, the control device opens the membrane component；Preset when the pressure at the pure water end 22 of the diaphragm 2 is less than
During value, the control device closes the membrane component.
Membrane component includes diaphragm 2 and collector pipe 1.Diaphragm 2 can be reverse osmosis membrane or NF membrane.Diaphragm 2 can have into
Water end (W.E.) 21, pure water end 22 and waste water end 23.Raw water can enter the diaphragm 2 from the water intake end 21 of diaphragm 2.Through the mistake of diaphragm 2
The pure water end 22 of the pure water entrance diaphragm 2 produced after filter, the waste water end that the waste water produced after diaphragm 2 is filtered passes through diaphragm 2
23 discharge.Collector pipe 1 has water inlet 11 and outlet 12.The water inlet 11 of collector pipe 1 connects with the pure water end 22 of diaphragm 2
It is logical, filter the pure water for producing to accept from diaphragm 2.The outlet 12 of collector pipe 1 can be connected with the switch valve of user side.When with
When switch valve is opened at family, pure water can be discharged by the outlet 12 of collector pipe 1.In general, the water inlet of collector pipe 1
11 can be multiple, and the outlet 12 of collector pipe 1 is one.The water inlet 11 of multiple collector pipes 1 can be along the major axis of collector pipe 1
Arrange in direction.The membrane component can be wound membrane element.Specifically, membrane component is referred to patent of invention in Chinese patent storehouse
Application 201420441275.4.Diaphragm 2 can have different water intake ends 21 and waste water end 23, i.e. diaphragm 2 to have difference
Raw water approach axis and waste water stream outgoing direction.
Fig. 1 to Fig. 3 shows the partial structural diagram of a specific embodiment of the application sewerage disposing device.Ginseng
According to shown in Fig. 1 to Fig. 3, control device includes being arranged on the first elastic component 3 at the water inlet 11 of collector pipe 1.First elastic component 3 can
To be arranged on the inwall or outer wall of collector pipe 1.First elastic component 3 can be made up of such as plastics or rubber elastomeric material.The
The first control unit 31 is provided with one elastic component 3, the first control unit 31 is corresponding with the water inlet 11 of collector pipe 1.When the diaphragm 2
Pure water end 22 pressure be greater than or equal to preset value when, first control unit 31 is opened；When the pure water end 22 of the diaphragm 2
Pressure be less than preset value when, first control unit 31 is closed.When water purifier is in stopped status, the pure water end of diaphragm 2
22 pressure is less than preset value, and the first control unit 31 is closed.After water purifier is started shooting, the pressure rise at the pure water end 22 of diaphragm 2,
Until high pressure or during equal to preset value, the first control unit 31 is opened.
The coefficient of elasticity of the first elastic component 3 can be 40-80 shore hardnesses.The present inventor is obtaining through multiple repetition test
Know, the coefficient of elasticity of the first elastic component 3 can not only guarantee that the first control unit 31 of the first elastic component 3 is suitable in the span
It is smooth to open, it is also possible to guarantee the tight closure of the first control unit 31 of the first elastic component 3.In the present embodiment, the first control unit
31 in open mode when can be the crack in strip.In another embodiment, the first control unit 31 is in beating
It can also be rounded perforate during open state.The width in crack and the section radius of perforate can be by the preset value of pressure and
The coefficient of elasticity of one elastic component 3 determines.Certain first control unit 31 is also based on needing in other regular or irregular shapes
Shape, as long as the first control unit 31 can be turned on and off based on the pressure at the pure water end 22 of diaphragm 2 to membrane component.
The operation principle of present embodiment is as follows：When water purifier is in stopped status, the now pure water end of the diaphragm 2
22 pressure is less than preset value, and the first control unit 31 of the first elastic component 3 is closed.First control unit 31 of the first elastic component 3 will
Pure water end 22 and the external world of diaphragm 2 is isolated.Originally the impurity for remaining on diaphragm 2 is only capable of infiltrating into diaphragm under osmosiss
2 pure water end 22, and further can not permeate to collector pipe 1 or water drinking tube.Thus the first control unit 31 of the first elastic component 3
Reduce the pure water amount being easily polluted by the external foreign matters.After water purifier is started shooting, the pressure rise at the pure water end 22 of diaphragm 2, the first elastic component 3
The first control unit 31 open under pressure so that the pure water end 22 of diaphragm 2 connects with subsequent parts so that
Water purifier can be with normal operation.Due to the pure water amount being easily polluted by the external foreign matters it is less, after by follow-up pure water dilution, this section of script
The higher water of TDS values recovered to normal range.After water purifier shuts down, the first control unit 31 of the first elastic component 3 is in elasticity work
Lower reset is used, the pure water end 22 of diaphragm 2 is again switched off.
Another preferred embodiment in, collector pipe 1 has the water outlet that can connect with the pure water end 22 of the diaphragm 2
Mouth 12, the control device includes the second elastic component (not shown) being arranged on the collector pipe 1.Second elastic component can
To be arranged on the inwall or outer wall of collector pipe 1.Second elastic component can be made up of such as plastics or rubber elastomeric material.It is described
The second control unit of the outlet 12 corresponding to the collector pipe 1 is provided with second elastic component, when the pure water end of the diaphragm 2
When 22 pressure is greater than or equal to preset value, second control unit is opened；When the pressure at the pure water end 22 of the diaphragm 2 is less than
During preset value, second control unit is closed.Second elastic component can be made up of such as plastics or rubber elastomeric material.Second
The second control unit is provided with elastic component, the second control unit is corresponding with the outlet 12 of collector pipe 1.When the pure water of the diaphragm 2
When the pressure at end 22 is greater than or equal to preset value, second control unit is opened；When the pressure at the pure water end 22 of the diaphragm 2 it is low
When preset value, second control unit is closed.When water purifier is in stopped status, the pressure at the pure water end 22 of diaphragm 2 is low
In preset value, the second control unit is closed.After water purifier is started shooting, the pressure rise at the pure water end 22 of diaphragm 2, until high pressure or waiting
When preset value, the second control unit is opened.
The coefficient of elasticity of the second elastic component can be 40-80 shore hardnesses.The present inventor is obtaining through multiple repetition test
Know, the coefficient of elasticity of the second elastic component can not only guarantee that the second control unit of the second elastic component is smooth in the span and open
Open, it is also possible to which the second control unit for guaranteeing the second elastic component is tightly closed.Similar with last embodiment, the second control unit exists
Can be the crack in strip during opening, can also be rounded perforate in opening.Certain second control unit
It is also based on needing in other regular or irregular shapes, as long as the second control unit can be based on the pure water end 22 of diaphragm 2
Pressure membrane component is turned on and off.
Another preferred embodiment in, with reference to shown in Fig. 4, the collector pipe 1 has outlet 12, the control
Device includes being arranged on the pressure-control valve 4 at the outlet 12 of the collector pipe 1.When the pressure at the pure water end 22 of the diaphragm 2
During greater than or equal to preset value, the pressure-control valve 4 opens the membrane component；When the pressure at the pure water end 22 of the diaphragm 2
During less than preset value, the pressure-control valve 4 closes the membrane component.
The invention also discloses a kind of water purifier, including water treatment facilities described above.In the present embodiment, water purifier
Can be without tub water purifier.It is the water purifier for not including clear water tanks without tub water purifier.Water purification component without tub water purifier
The pure water for leaching is used directly in the case of the mixing without clear water tanks, thus pure water is only derived from water treatment facilities
Will the slightly undesirable use that will directly affect client.And the water purifier of the application sewerage disposing device is adopted, no matter exist
The TDS values of any moment pure water are all in relatively low scope such that it is able to ensure normally using for client.
Each embodiment in this specification is described by the way of progressive, what each embodiment was stressed be with
The difference of other embodiment, between each embodiment identical similar part mutually referring to.
Above-described embodiment technology design only to illustrate the invention and feature, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and implement according to this, can not be limited the scope of the invention with this.It is all according to the present invention
Equivalence changes or modification that spirit is made, all should be included within the scope of the present invention.
Claims (19)
1. a kind of water treatment facilities, it is characterised in that it includes：
Membrane component, it includes the diaphragm with pure water end and the collector pipe that can be connected with the pure water end of the diaphragm, described to catchment
Manage to be set in outside the diaphragm, belong to the part in the membrane component；
Control device, it is arranged on the collector pipe, and is opened and closed the membrane component based on the pressure at the pure water end of the diaphragm.
2. water treatment facilities according to claim 1, it is characterised in that be higher than when the pressure at the pure water end of the diaphragm or
During equal to preset value, the control device opens the membrane component；When the pressure at the pure water end of the diaphragm is less than preset value,
The control device closes the membrane component.
3. water treatment facilities according to claim 1, it is characterised in that the collector pipe has can be pure with the diaphragm
The water inlet of water end (W.E.) connection, the control device includes the first elastic component being arranged on the collector pipe, and described first is elastic
The first control unit of the water inlet corresponding to the collector pipe is provided with part, when the diaphragm pure water end pressure be higher than or
During equal to preset value, first control unit is opened；When the pressure at the pure water end of the diaphragm is less than preset value, described first
Control unit is closed.
4. water treatment facilities according to claim 3, it is characterised in that first elastic component is arranged on the collector pipe
Inwall or outer wall on.
5. water treatment facilities according to claim 3, it is characterised in that first elastic component is by plastics or rubber system
Into.
6. water treatment facilities according to claim 3, it is characterised in that the coefficient of elasticity of first elastic component is 40-
80 shore hardnesses.
7. water treatment facilities according to claim 3, it is characterised in that first control unit is when in open mode
In strip slot.
8. water treatment facilities according to claim 3, it is characterised in that first control unit is when in open mode
It is rounded.
9. water treatment facilities according to claim 1, it is characterised in that the collector pipe has can be pure with the diaphragm
The outlet of water end (W.E.) connection, the control device includes the second elastic component being arranged on the collector pipe, and described second is elastic
The second control unit of the outlet corresponding to the collector pipe is provided with part, when the diaphragm pure water end pressure be higher than or
During equal to preset value, second control unit is opened；When the pressure at the pure water end of the diaphragm is less than preset value, described second
Control unit is closed.
10. water treatment facilities according to claim 9, it is characterised in that second elastic component is arranged on described catchmenting
On the inwall or outer wall of pipe.
11. water treatment facilities according to claim 9, it is characterised in that second elastic component is by plastics or rubber system
Into.
12. water treatment facilities according to claim 9, it is characterised in that the coefficient of elasticity of second elastic component is 40-
80 shore hardnesses.
13. water treatment facilities according to claim 9, it is characterised in that second control unit is in open mode
When be in strip slot.
14. water treatment facilities according to claim 9, it is characterised in that second control unit is in open mode
When it is rounded.
15. water treatment facilities according to claim 1, it is characterised in that the collector pipe has outlet, the control
Device includes being arranged on the pressure-control valve of the collector pipe water outlet.
16. water treatment facilities according to claim 1, it is characterised in that the diaphragm is reverse osmosis membrane or NF membrane.
17. water treatment facilities according to claim 1, it is characterised in that the membrane component is wound membrane element.
18. a kind of water purifiers, it is characterised in that it includes the water treatment facilities as described in claim 1 to 17 is arbitrary.
19. water purifiers according to claim 18, it is characterised in that the water purifier is without tub water purifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510103283.7A CN104671356B (en) | 2015-03-09 | 2015-03-09 | Water treatment device and water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510103283.7A CN104671356B (en) | 2015-03-09 | 2015-03-09 | Water treatment device and water purifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104671356A CN104671356A (en) | 2015-06-03 |
| CN104671356B true CN104671356B (en) | 2017-05-03 |
Family
ID=53307019
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510103283.7A Active CN104671356B (en) | 2015-03-09 | 2015-03-09 | Water treatment device and water purifier |
Country Status (1)
| Country | Link |
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| CN (1) | CN104671356B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959064A (en) * | 2015-06-17 | 2015-10-07 | 陈幸 | Dead-angle-free pneumatic stirrer |
| CN110496536A (en) * | 2019-09-17 | 2019-11-26 | 广东韦博科技有限公司 | Filter assemblies and the filter cartridge construction for applying it |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4077883A (en) * | 1976-12-29 | 1978-03-07 | Desalination Systems, Inc. | Reverse osmosis system with automatic pressure relief valve |
| US6533937B1 (en) * | 1999-01-22 | 2003-03-18 | Nitto Denko Corporation | Methods of running and washing spiral wound membrane modules |
| CN2665113Y (en) * | 2003-09-03 | 2004-12-22 | 刘大朴 | Intermittent bounce back type tap water pipe network terminal pure water processing unit |
| CN201578990U (en) * | 2009-07-10 | 2010-09-15 | 高耀祖 | Spiral-wound double-channel convective reverse osmosis membrane modules and membrane elements |
| CN102583806A (en) * | 2012-02-17 | 2012-07-18 | 南京美泓环保科技有限公司 | No-wastewater-discharge domestic pure water machine |
| CN103394288B (en) * | 2013-08-24 | 2015-06-10 | 黄河科技学院 | Coiled type reverse osmosis membrane element and water purifier using same |
| CN204159229U (en) * | 2014-08-06 | 2015-02-18 | 艾欧史密斯（上海）水处理产品有限公司 | The device of a kind of membrane component and this membrane component of use |
| CN204474377U (en) * | 2015-03-09 | 2015-07-15 | 艾欧史密斯(中国)热水器有限公司 | Water treatment device and water-purifying machine |
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2015
- 2015-03-09 CN CN201510103283.7A patent/CN104671356B/en active Active
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