CN104671356A - Water treatment device and water purifier - Google Patents
Water treatment device and water purifier Download PDFInfo
- Publication number
- CN104671356A CN104671356A CN201510103283.7A CN201510103283A CN104671356A CN 104671356 A CN104671356 A CN 104671356A CN 201510103283 A CN201510103283 A CN 201510103283A CN 104671356 A CN104671356 A CN 104671356A
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- water
- pure water
- treatment device
- diaphragm
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- 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
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- 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 refining plant, particularly relate to a kind of water treatment device and water-purifying machine.
Background technology
Current water-purifying machine carries out purifying treatment by filtration unit to water quality.RO membrane cartridge (also known as reverse osmosis membrane filter element) is widely used as a kind of conventional filtration unit.RO membrane cartridge has former water inlet for inputting former water, for exporting the pure water outlet of pure water and the dense water out for exporting dense water.When RO membrane cartridge is in normal filtration state, former water is being subject to entering in RO membrane cartridge from the former water inlet of RO membrane cartridge under external pressure effect, the former water of a part filters through RO membrane cartridge and forms pure water and flow out from pure water outlet, and the former water of remaining non-filtration fraction forms dense water and flows out from the dense water out of RO membrane cartridge.
Learn through many experiments, the TDS value (the milligram number of the soluble solid be dissolved with in 1 premium on currency) of the pure water that the water-purifying machine with RO membrane cartridge produces when just starting shooting is often higher than the TDS value of the pure water produced when being in normal filtration state.
Summary of the invention
The applicant is through repeatedly repetition test research discovery; between water-purifying machine down period; when RO membrane cartridge is no longer subject to external pressure effect, the impurity remained on RO membrane cartridge penetrates into the back side and the pure water side of film gradually under osmosis from the film front of high density (Yuan Shui side and waste water side) originally.When water-purifying machine is started shooting, the pure water after RO membrane cartridge filters mixes with the impurity penetrating into pure water side, thus causes pure water TDS now higher.
Because water treatment device of the prior art does not exist the controlling elements of water segregation remaining in header and putamina, the impurity remained on diaphragm can permeate to the pure water end of diaphragm originally.And the pure water end of diaphragm and cross current, the impurity entering the pure water end of diaphragm can permeate in the exit end direction constantly along water pipe to water pipe.Therefore the concentration value of the pure water end of diaphragm is all the time lower than the concentration value in the front of diaphragm, and the impurity remained on diaphragm can constantly be permeated to the pure water end of diaphragm.The impurity simultaneously entering the pure water end of diaphragm can pollute a large amount of pure water originally having completed filtration in water-purifying machine.Therefore above-mentioned two aspects cause prior art water-purifying machine when starting shooting, TDS value is after treatment in high value before.
In order to overcome the above-mentioned defect of prior art, technical problem to be solved by this invention is to provide a kind of water treatment device and water-purifying machine, and it can reduce the water yield that water-purifying machine start-up phase is in higher TDS value.
For achieving the above object, technical scheme of the present invention is:
A kind of water treatment device, it comprises:
Membrane element, it comprises the diaphragm with pure water end and the header that can be communicated with the pure water end of described diaphragm;
Control device, it is arranged on described header, and based on the pure water end of described diaphragm pressure opening and closing described in membrane element.
Preferably, when the pressure of the pure water end of described diaphragm is greater than or equal to preset value, described membrane element opened by described control device; When the pressure of the pure water end of described diaphragm is lower than preset value, described control device cuts out described membrane element.
Preferably, described header has the water inlet that can be communicated with the pure water end of described diaphragm, described control device comprises the first elastic component be arranged on described header, described first elastic component is provided with the first control part of the water inlet corresponding to described header, when the pressure of the pure water end of described diaphragm is greater than or equal to preset value, described first control part is opened; When the pressure of the pure water end of described diaphragm is lower than preset value, described first control part is closed.
Preferably, on the described first elastic component inwall that is arranged on described header or outer wall.
Preferably, described first elastic component is made up of plastics or rubber.
Preferably, the coefficient of elasticity of described first elastic component is 40-80 shore hardness.
Preferably, described first control part is strip slot when being in open mode.
Preferably, described first control part is rounded when being in open mode.
Preferably, described header has the water outlet that can be communicated with the pure water end of described diaphragm, described control device comprises the second elastic component be arranged on described header, described second elastic component is provided with the second control part of the water outlet corresponding to described header, when the pressure of the pure water end of described diaphragm is greater than or equal to preset value, described second control part is opened; When the pressure of the pure water end of described diaphragm is lower than preset value, described second control part is closed.
Preferably, on the described second elastic component inwall that is arranged on described header or outer wall.
Preferably, described second elastic component is made up of plastics or rubber.
Preferably, the coefficient of elasticity of described second elastic component is 40-80 shore hardness.
Preferably, described second control part is strip slot when being in open mode.
Preferably, described second control part is rounded when being in open mode.
Preferably, described header has water outlet, and described control device comprises the pressure controlled valve being arranged on described header water outlet.
Preferably, described diaphragm is reverse osmosis membrane or nanofiltration membrane.
Preferably, described membrane element is wound membrane element.
The invention also discloses a kind of water-purifying machine, it comprises water treatment device described above.
Preferably, described water-purifying machine is without tub water-purifying machine.
Sewerage disposing device of the present invention and water-purifying machine adopt said structure, have the following advantages:
The TDS value of pure water is discharged when 1, reducing water-purifying machine start;
2, reduce the pure water amount be easily polluted by the external foreign matters, and under follow-up pure water diluting effect, make the TDS value of this section of pure water recover normal range.
Accompanying drawing explanation
Accompanying drawing described here is only for task of explanation, and accompanying drawing limits scope that the claims in the present invention protect and the content disclosed in specification sheets never in any form.In addition, the shape of each parts in figure and proportional sizes etc. are only schematic, for helping the understanding of the present invention, are not the shape and the proportional sizes that specifically limit each parts of the present invention.Those skilled in the art under the teachings of the present invention, can select various possible shape and proportional sizes to implement the present invention as the case may be.
Fig. 1 is the structural representation of a sewerage disposing device of the present invention embodiment.
Fig. 2 be in Fig. 1 A-A to sectional view.
Fig. 3 is the perspective view in Fig. 1.
Fig. 4 is the structural representation of another embodiment of sewerage disposing device of the present invention.
The Reference numeral of above accompanying drawing: 1, header; 11, water inlet; 12, water outlet; 2, diaphragm; 21, water intake end; 22, pure water end; 23, waste water end; 3, the first elastic component; 31, the first control part; 4, pressure controlled valve.
Embodiment
By reference to the accompanying drawings with the description of the specific embodiment of the invention, can clearly understand details of the present invention.But the specific embodiment of the present invention described here, only for explaining object of the present invention, and can not to be understood as by any way be limitation of the present invention.Under the teachings of the present invention, technician can conceive based on distortion possible arbitrarily of the present invention, and these all should be regarded as belonging to scope of the present invention.
The invention discloses a kind of water treatment device, this water treatment device comprises membrane element, and it comprises the diaphragm 2 with pure water end 22 and the header 1 that can be communicated with the pure water end 22 of described diaphragm 2; Control device, it is arranged on described header 1, and based on the pure water end 22 of described diaphragm 2 pressure opening and closing described in membrane element.When the pressure of the pure water end 22 of described diaphragm 2 is greater than or equal to preset value, described membrane element opened by described control device; When the pressure of the pure water end 22 of described diaphragm 2 is lower than preset value, described control device cuts out described membrane element.
Membrane element comprises diaphragm 2 and header 1.Diaphragm 2 can be reverse osmosis membrane or nanofiltration membrane.Diaphragm 2 can have water intake end 21, pure water end 22 and waste water end 23.Former water can enter this diaphragm 2 from the water intake end 21 of diaphragm 2.The pure water produced after the filtration of diaphragm 2 enters the pure water end 22 of diaphragm 2, and the waste water produced after diaphragm 2 filters is discharged by the waste water end 23 of diaphragm 2.Header 1 has water inlet 11 and water outlet 12.The water inlet 11 of header 1 is communicated with the pure water end 22 of diaphragm 2, filters the pure water produced to accept from diaphragm 2.The water outlet 12 of header 1 can be communicated with the switch-valve of user side.When user's opening switch valve, pure water can be discharged by the water outlet 12 of header 1.Generally speaking, the water inlet 11 of header 1 can be multiple, and the water outlet 12 of header 1 is one.The water inlet 11 of multiple header 1 can be arranged along the long axis direction of header 1.Described membrane element can be wound membrane element.Concrete, membrane element can with reference to application for a patent for invention 201420441275.4 in Chinese patent storehouse.Diaphragm 2 can have different water intake ends 21 and waste water end 23, and namely diaphragm 2 can have different former water approach axis and wastewater streams outgoing direction.
Fig. 1 to Fig. 3 shows the local structure schematic diagram of an embodiment of the application's sewerage disposing device.Shown in Fig. 3, control device comprises the first elastic component 3 being arranged on header 1 water inlet 11 place.First elastic component 3 can be arranged on inwall or the outer wall of header 1.First elastic component 3 can be made up of such as plastics or rubber elastomeric material.First elastic component 3 is provided with the first control part 31, first control part 31 corresponding with the water inlet 11 of header 1.When the pressure of the pure water end 22 of described diaphragm 2 is greater than or equal to preset value, described first control part 31 is opened; When the pressure of the pure water end 22 of described diaphragm 2 is lower than preset value, described first control part 31 is closed.When water-purifying machine is in stopped status, the pressure of the pure water end 22 of diaphragm 2 is lower than preset value, and the first control part 31 is closed.When after water-purifying machine start, the pressure of the pure water end 22 of diaphragm 2 raises, until high pressure or when equaling preset value, the first control part 31 is opened.
The coefficient of elasticity of the first elastic component 3 can be 40-80 shore hardness.The present inventor is learning through repeatedly repetition test, and the coefficient of elasticity of the first elastic component 3 can not only guarantee the smooth and easy unlatching of the first control part 31 of the first elastic component 3 in this span, also can guarantee that the first control part 31 of the first elastic component 3 tightly closes.In the present embodiment, the first control part 31 can for the crack in strip when being in open mode.In another embodiment, the first control part 31 also can for rounded perforate when being in open mode.The width in crack and the section radius of perforate can be determined by the coefficient of elasticity of the preset value of pressure and the first elastic component 3.Certain first control part 31 can also be other rule or irregular shapes based on needs, as long as the first control part 31 can be opened membrane element based on the pressure of the pure water end 22 of diaphragm 2 or close.
The principle of work of present embodiment is as follows: when water-purifying machine is in stopped status, and now the pressure of the pure water end 22 of described diaphragm 2 is lower than preset value, and the first control part 31 of the first elastic component 3 is closed.First control part 31 of the first elastic component 3 is by isolated with the external world for the pure water end 22 of diaphragm 2.Originally the impurity remained on diaphragm 2 only can infiltrate into the pure water end 22 of diaphragm 2 under osmosis, and can not further to header 1 or water drinking tube infiltration.Thus the first control part 31 of the first elastic component 3 decreases the pure water amount be easily polluted by the external foreign matters.When after water-purifying machine start, the pressure of the pure water end 22 of diaphragm 2 raises, and the first control part 31 of the first elastic component 3 is opened under pressure, thus the pure water end 22 of diaphragm 2 is communicated with subsequent parts, thus makes water-purifying machine can normal operation.Because the pure water amount be easily polluted by the external foreign matters is less, after by the dilution of follow-up pure water, this section water that TDS value is higher originally returns to normal range.When after water-purifying machine shutdown, the first control part 31 of the first elastic component 3 resets under elastic contribution, again closes the pure water end 22 of diaphragm 2.
Another preferred embodiment in, header 1 has the water outlet 12 that can be communicated with the pure water end 22 of described diaphragm 2, and described control device comprises the second elastic component (not shown) be arranged on described header 1.Second elastic component can be arranged on inwall or the outer wall of header 1.Second elastic component can be made up of such as plastics or rubber elastomeric material.Described second elastic component is provided with the second control part of the water outlet 12 corresponding to described header 1, when the pressure of the pure water end 22 of described diaphragm 2 is greater than or equal to preset value, described second control part is opened; When the pressure of the pure water end 22 of described diaphragm 2 is lower than preset value, described second control part is closed.Second elastic component can be made up of such as plastics or rubber elastomeric material.Second elastic component is provided with the second control part, the second control part is corresponding with the water outlet 12 of header 1.When the pressure of the pure water end 22 of described diaphragm 2 is greater than or equal to preset value, described second control part is opened; When the pressure of the pure water end 22 of described diaphragm 2 is lower than preset value, described second control part is closed.When water-purifying machine is in stopped status, the pressure of the pure water end 22 of diaphragm 2 is lower than preset value, and the second control part is closed.When after water-purifying machine start, the pressure of the pure water end 22 of diaphragm 2 raises, until high pressure or when equaling preset value, the second control part is opened.
The coefficient of elasticity of the second elastic component can be 40-80 shore hardness.The present inventor is learning through repeatedly repetition test, and the coefficient of elasticity of the second elastic component can not only guarantee the smooth and easy unlatching of the second control part of the second elastic component in this span, also can guarantee that the second control part of the second elastic component tightly closes.Similar with last embodiment, the second control part can, for the crack in strip, also can be rounded perforate when opened condition when opened condition.Certain second control part can also be other rule or irregular shapes based on needs, as long as the second control part can be opened membrane element based on the pressure of the pure water end 22 of diaphragm 2 or close.
Another preferred embodiment in, with reference to shown in Fig. 4, described header 1 has water outlet 12, and described control device comprises the pressure controlled valve 4 being arranged on described header 1 water outlet 12 place.When the pressure of the pure water end 22 of described diaphragm 2 is greater than or equal to preset value, described membrane element opened by described pressure controlled valve 4; When the pressure of the pure water end 22 of described diaphragm 2 is lower than preset value, described pressure controlled valve 4 cuts out described membrane element.
The invention also discloses a kind of water-purifying machine, comprise water treatment device described above.In the present embodiment, water-purifying machine can be without tub water-purifying machine.It is the water-purifying machine not comprising clear water tanks without tub water-purifying machine.The pure water leached without the water purification assembly of tub water-purifying machine is being used directly in the mixing situation of clear water tanks, as long as thus from the slightly undesirable use that just directly can affect client of pure water that water treatment device is derived.And adopting the water-purifying machine of the application's sewerage disposing device, the TDS value of pure water is all in lower scope at any time, thus can ensure the normal use of client.
Each embodiment in this specification sheets all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to spirit of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (19)
1. a water treatment device, is characterized in that, it comprises:
Membrane element, it comprises the diaphragm with pure water end and the header that can be communicated with the pure water end of described diaphragm;
Control device, it is arranged on described header, and based on the pure water end of described diaphragm pressure opening and closing described in membrane element.
2. water treatment device according to claim 1, is characterized in that, when the pressure of the pure water end of described diaphragm is greater than or equal to preset value, described membrane element opened by described control device; When the pressure of the pure water end of described diaphragm is lower than preset value, described control device cuts out described membrane element.
3. water treatment device according to claim 1, it is characterized in that, described header has the water inlet that can be communicated with the pure water end of described diaphragm, described control device comprises the first elastic component be arranged on described header, described first elastic component is provided with the first control part of the water inlet corresponding to described header, when the pressure of the pure water end of described diaphragm is greater than or equal to preset value, described first control part is opened; When the pressure of the pure water end of described diaphragm is lower than preset value, described first control part is closed.
4. water treatment device according to claim 3, is characterized in that, on the inwall that described first elastic component is arranged on described header or outer wall.
5. water treatment device according to claim 3, is characterized in that, described first elastic component is made up of plastics or rubber.
6. water treatment device according to claim 3, is characterized in that, the coefficient of elasticity of described first elastic component is 40-80 shore hardness.
7. water treatment device according to claim 3, is characterized in that, described first control part is strip slot when being in open mode.
8. water treatment device according to claim 3, is characterized in that, described first control part is rounded when being in open mode.
9. water treatment device according to claim 1, it is characterized in that, described header has the water outlet that can be communicated with the pure water end of described diaphragm, described control device comprises the second elastic component be arranged on described header, described second elastic component is provided with the second control part of the water outlet corresponding to described header, when the pressure of the pure water end of described diaphragm is greater than or equal to preset value, described second control part is opened; When the pressure of the pure water end of described diaphragm is lower than preset value, described second control part is closed.
10. water treatment device according to claim 9, is characterized in that, on the inwall that described second elastic component is arranged on described header or outer wall.
11. water treatment device according to claim 9, is characterized in that, described second elastic component is made up of plastics or rubber.
12. water treatment device according to claim 9, is characterized in that, the coefficient of elasticity of described second elastic component is 40-80 shore hardness.
13. water treatment device according to claim 9, is characterized in that, described second control part is strip slot when being in open mode.
14. water treatment device according to claim 9, is characterized in that, described second control part is rounded when being in open mode.
15. water treatment device according to claim 1, it is characterized in that, described header has water outlet, described control device comprises the pressure controlled valve being arranged on described header water outlet.
16. water treatment device according to claim 1, is characterized in that, described diaphragm is reverse osmosis membrane or nanofiltration membrane.
17. water treatment device according to claim 1, is characterized in that, described membrane element is wound membrane element.
18. 1 kinds of water-purifying machines, is characterized in that, it comprise as arbitrary in claim 1 to 17 as described in water treatment device.
19. water-purifying machines according to claim 18, is characterized in that, described water-purifying machine is without tub water-purifying machine.
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 |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510103283.7A CN104671356B (en) | 2015-03-09 | 2015-03-09 | Water treatment device and water purifier |
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| CN104671356A true CN104671356A (en) | 2015-06-03 |
| CN104671356B CN104671356B (en) | 2017-05-03 |
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| CN201510103283.7A Active CN104671356B (en) | 2015-03-09 | 2015-03-09 | Water treatment device and water purifier |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959064A (en) * | 2015-06-17 | 2015-10-07 | 陈幸 | Dead-angle-free pneumatic stirrer |
| CN111135721A (en) * | 2019-09-17 | 2020-05-12 | 广东韦博科技有限公司 | Novel filter assembly with side water outlet and filter element structure using novel filter assembly |
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| EP1022052A2 (en) * | 1999-01-22 | 2000-07-26 | Nitto Denko Corporation | Spiral wound type membrane element and methods of running and washing it |
| CN2665113Y (en) * | 2003-09-03 | 2004-12-22 | 刘大朴 | Intermittent bounce back type tap water pipe network terminal pure water processing unit |
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| CN103394288A (en) * | 2013-08-24 | 2013-11-20 | 赵东旭 | 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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| US4077883A (en) * | 1976-12-29 | 1978-03-07 | Desalination Systems, Inc. | Reverse osmosis system with automatic pressure relief valve |
| EP1022052A2 (en) * | 1999-01-22 | 2000-07-26 | Nitto Denko Corporation | Spiral wound type membrane element and methods of running and washing it |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959064A (en) * | 2015-06-17 | 2015-10-07 | 陈幸 | Dead-angle-free pneumatic stirrer |
| CN111135721A (en) * | 2019-09-17 | 2020-05-12 | 广东韦博科技有限公司 | Novel filter assembly with side water outlet and filter element structure using novel filter assembly |
| CN111135721B (en) * | 2019-09-17 | 2024-01-02 | 广东领尚净水科技有限公司 | Novel filter component for side water outlet and filter element structure using same |
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| CN104671356B (en) | 2017-05-03 |
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