CN105036401A - Integrated two-stage reverse osmosis device - Google Patents
Integrated two-stage reverse osmosis device Download PDFInfo
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- CN105036401A CN105036401A CN201510551238.8A CN201510551238A CN105036401A CN 105036401 A CN105036401 A CN 105036401A CN 201510551238 A CN201510551238 A CN 201510551238A CN 105036401 A CN105036401 A CN 105036401A
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Abstract
The invention discloses an integrated two-stage reverse osmosis device. The integrated two-stage reverse osmosis device is characterized by being composed of a first booster pump, a multi-medium filter, an activated carbon filter, a cartridge filter, a first high-pressure pump, a first reverse osmosis membrane stack, a second high-pressure pump and a second reverse osmosis membrane stack. The fresh water outlet of the first reverse osmosis membrane stack is communicated with the inlet of a first electric three-way valve through a seventh pipeline. The first outlet of the first electric three-way valve is communicated with the water inlet of the second high-voltage pump through an eighth pipeline. The second outlet of the first electric three-way valve is communicated with a concentrated water discharge opening through a ninth pipeline. The eighth pipeline is communicated with the ninth pipeline through a tenth pipeline. A second electromagnetic valve and a second check valve are sequentially arranged on the tenth pipeline from the eighth pipeline to the ninth pipeline. A first pressure transmitter is arranged on the eighth pipeline. A fourth electric valve is arranged on a fourteenth pipeline and controlled through a signal of the first pressure transmitter.
Description
Technical field
The present invention relates to reverse osmose pure-water and manufacture field, specifically a kind of two steps ro device of integral type.
Background technology
At present, reverse osmosis is used widely in pure water is produced.In order to obtain more highly purified water, two cover first-stage reverse osmosis device series connection can be used, also namely forming two steps ro device.Because the flow between the product water of first step reverse osmosis unit and the water inlet of second stage reverse osmosis unit and pressure are difficult to balance; therefore usually can arrange one between first-stage reverse osmosis device and second level reverse osmosis apparatus to merely hit a transition water tank; so not only cost of investment can be increased; and when running into the limited situation in place, the program just cannot be implemented.
Summary of the invention
The object of this invention is to provide a kind of compact construction, easy to use, level of automation is high and the two steps ro device of the integral type of good reliability.
The basic technical scheme realizing the object of the invention is: a kind of integral type two steps ro device, and constructional feature is: comprise the first topping-up pump, more medium filter, activated charcoal filter, cartridge filter, the first high-pressure pump, the first reverse osmosis membrane stack, the second high-pressure pump and the second reverse osmosis membrane stack.First topping-up pump, more medium filter, activated charcoal filter, cartridge filter, the first high-pressure pump are connected by corresponding pipeline successively with the first reverse osmosis membrane stack.The water outlet of the first reverse osmosis membrane stack is connected with the import of the first electric T-shaped valve by the 7th pipeline.First outlet of the first electric T-shaped valve is connected with the water-in of the second high-pressure pump by the 8th pipeline.Second outlet of the first electric T-shaped valve is connected with concentrated water discharge mouth by the 9th pipeline.8th pipeline is connected by the tenth pipeline with the 9th pipeline, the tenth pipeline from the 8th pipeline to the 9th pipeline be provided with the second magnetic valve and the second check valve successively.8th pipeline is provided with the first pressure unit.The dense water out of the first reverse osmosis membrane stack is connected with the 9th pipeline by the 11 pipeline.The water outlet of the second high-pressure pump is connected by the raw water inlet of the 14 pipeline with the second reverse osmosis membrane stack.14 pipeline is provided with the 4th motorized valve.The water outlet of the second reverse osmosis membrane stack is connected with fresh water water-in by the 15 pipeline.By signal control the 4th motorized valve of the first pressure unit.When the start of first-stage reverse osmosis device runs, two-pass reverse osmosis also do not start shooting before the second magnetic valve open, water is emitted, after a few startup in second of second high-pressure pump time delay, the second magnetic valve cuts out immediately, 4th motorized valve of the second high pressure pump outlet, according to its aperture of the Signal Regulation of the first pressure unit, guarantees that the pressure of the second high-pressure pump water-in remains on about 0.1MPa.
Technical scheme based on above-mentioned basic technical scheme is: also comprise the first multiway valve and the second multiway valve.First topping-up pump is connected with original water inlet by the first pipeline by its water-in.First multiway valve is arranged on more medium filter.The water outlet of the first topping-up pump is connected by the first interface of the second pipeline with the first multiway valve.Second pipeline is provided with successively the first manual valve and the first tensimeter.Second interface of the first multiway valve is connected with the first interface of the second multiway valve by the 3rd pipeline.3rd pipeline is provided with the second tensimeter.3rd interface of the second multiway valve is connected with the water-in of cartridge filter by the 4th pipeline.4th pipeline is provided with the 3rd tensimeter.The water outlet of cartridge filter is connected with the water-in of the first high-pressure pump by the 5th pipeline.5th pipeline is provided with successively the 4th tensimeter and the first pressure switch.The water outlet of the first high-pressure pump is connected by the raw water inlet of the 6th pipeline with the first reverse osmosis membrane stack.6th pipeline is provided with successively the second manual valve, the second pressure switch and the 5th tensimeter.3rd interface of the first multiway valve is connected with the 9th pipeline by the 12 pipeline.3rd interface of the second multiway valve is connected with the 9th pipeline by the 13 pipeline.
Technical scheme based on above-mentioned appropriate technical solution is: the 7th pipeline is provided with successively the 3rd pressure switch, the 6th tensimeter, the first check valve and the first salt amount display switch.
Technical scheme based on above-mentioned appropriate technical solution is: the 8th pipeline is also provided with first-class gauge, sampling manual valve and the 7th tensimeter.First-class gauge, sampling manual valve, the first pressure unit and the 7th tensimeter set gradually.
Technical scheme based on above-mentioned appropriate technical solution is: the 11 pipeline is provided with successively the 8th tensimeter, the first variable valve, second gauge and the 3rd check valve.11 pipeline is parallel with the 3rd motorized valve with the first variable valve.
Technical scheme based on above-mentioned appropriate technical solution is: the 15 pipeline is provided with successively the 4th pressure switch, the tenth tensimeter, the 3rd under meter, the second salt amount display switch and the 4th check valve.
Technical scheme based on above-mentioned appropriate technical solution is: the dense water out of the second reverse osmosis membrane stack is connected with the first pipeline, is provided with the 11 tensimeter, the second variable valve, the 4th under meter and the 5th check valve between the dense water out of the second reverse osmosis membrane stack and the first topping-up pump successively.First pipeline is connected with the 8th pipeline by the 16 pipeline.The interface that 16 pipeline is connected with the first pipeline is between the 11 tensimeter and the second variable valve.16 pipeline is provided with the 3rd variable valve and the 5th under meter successively by the first pipeline to the 8th pipeline.
The present invention has positive effect: (1) structure of the present invention is simple, this project cancels middle transition water tank, the product water of one-level is directly entered secondary high-pressure pump, but the necessary complete equipilibrium of the water inlet of the product water of one-level and secondary, otherwise, when one-level water production rate is greater than secondary flooding quantity, this place's pressure can constantly rise; Otherwise when one-level water production rate is less than secondary flooding quantity, secondary high-pressure pump can form negative pressure, secondary high-pressure pump produces cavitation effect and causes damage.We install a electricity Ci Fa And and fill a pressure unit on one-level water producing pipe road, secondary high pressure pump outlet fills a motor-driven control valve, this variable valve is stressed the signal control of transmitter, like this, when the start of first-stage reverse osmosis device runs, before two-pass reverse osmosis is not also started shooting, magnetic valve is first opened, emitted by water, the time delay of secondary high-pressure pump starts rear electromagnetic valve and close immediately a few second; And secondary high pressure pump outlet motor-driven control valve regulates its aperture according to the pressure signal of pressure unit, the pressure this ensures that thering secondary high-pressure pump water-in remains on about 0.1MPa, both can not superpressure, also can not lack of water, well can realize the coupling between them, can fully automatic operation be realized.(2) the present invention is provided with the first multiway valve for regular backwash more medium filter, rolling equipment work-ing life.(3) the present invention is provided with the second multiway valve for regular backwash activated charcoal filter, rolling equipment work-ing life.(4) the present invention is provided with corresponding motorized valve and magnetic valve, and level of automation is high.(5) the present invention is provided with multiple tensimeter, and accurately can reflect system operation situation, reliability improves greatly.(6) the present invention is provided with salt amount display switch, accurately can reflect that the situation of producing water also takes corresponding action in time.(7) the dense water out of the second reverse osmosis membrane stack of the present invention is connected with the first pipeline, substantially increases producing water ratio.
Accompanying drawing explanation
Fig. 1 is the structural representation of the two steps ro device of integral type of the present invention.
Mark in above-mentioned accompanying drawing is as follows:
First topping-up pump 1,
More medium filter 2,
Activated charcoal filter 3,
Cartridge filter 4, valve 4-1,
First high-pressure pump 5,
First reverse osmosis membrane stack 6, raw water inlet 6-1, water outlet 6-2, dense water out 6-3,
Second high-pressure pump 7,
Second reverse osmosis membrane stack 8,
First multiway valve 9, first interface 9-1, the second interface 9-2, the 3rd interface 9-3,
Second multiway valve 10, first interface 10-1, the second interface 10-2, the 3rd interface 10-3,
First pipeline 11-1, the second pipeline 11-2, the 3rd pipeline 11-3,4th pipeline 11-4, the 5th pipeline 11-5, the 6th pipeline 11-6,7th pipeline 11-7, the 8th pipeline 11-8, the 9th pipeline 11-9, tenth pipeline 11-10,11 pipeline 11-11, the 12 pipeline 11-12,13 pipeline 11-13,14 pipeline 11-14, the 15 pipeline 11-15
First manual valve 12-1, the second manual valve 12-2, sampling manual valve 12-3, the first variable valve 12-4, the second variable valve 12-5, the 3rd variable valve 12-6,
First tensimeter 13-1, the second tensimeter 13-2, the 3rd tensimeter 13-3, the 4th tensimeter 13-4,5th tensimeter 13-5, the 6th tensimeter 13-6, the 7th tensimeter 13-7, the 8th tensimeter 13-8,9th tensimeter 13-9, the tenth tensimeter 13-10, the 11 tensimeter 13-11
First pressure switch 14-1, the second pressure switch 14-2, the 3rd pressure switch 14-3, the 4th pressure switch 14-4,
First electric T-shaped valve 15-1, the second magnetic valve 15-2, the 3rd motorized valve 15-3, the 4th motorized valve 15-4,
First check valve 16-1, the second check valve 16-2, the 3rd check valve 16-3, the 4th check valve 16-4, the 5th check valve 16-5,
First salt amount display switch 17-1, the second salt amount display switch 17-2,
First-class gauge 18-1, second gauge 18-2, the 3rd under meter 18-3, the 4th under meter 18-4, the 5th under meter 18-5,
First pressure unit 19-1,
Original water inlet 100,
Fresh water water-in 200,
Concentrated water discharge mouth 300.
Embodiment
The description in orientation of the present invention is carried out according to the orientation shown in Fig. 1, and also namely the direction up and down shown in Fig. 1 is the direction up and down of description, and a side of court of Fig. 1 institute is front, and the side deviating from Fig. 1 is rear.
(embodiment 1)
See Fig. 1, integral type two steps ro device of the present invention comprises the first topping-up pump 1, more medium filter 2, activated charcoal filter 3, cartridge filter 4, first high-pressure pump 5, first reverse osmosis membrane stack 6, second high-pressure pump 7, second reverse osmosis membrane stack 8, first multiway valve 9 and the second multiway valve 10.
First topping-up pump 1 is connected with original water inlet 100 by the first pipeline 11-1 by its water-in.First multiway valve 9 is arranged on more medium filter 2.The water outlet of the first topping-up pump 1 is connected with the first interface 9-1 of the first multiway valve 9 by the second pipeline 11-2.Second pipeline 11-2 is provided with successively the first manual valve 12-1 and the first tensimeter 13-1.Second interface 9-2 of the first multiway valve 9 is connected with the first interface 10-1 of the second multiway valve 10 by the 3rd pipeline 11-3.3rd pipeline 11-3 is provided with the second tensimeter 13-2.
Cartridge filter 4 is provided with valve 4-1.
3rd interface 10-3 of the second multiway valve 10 is connected with the water-in of cartridge filter 4 by the 4th pipeline 11-4.4th pipeline 11-4 is provided with the 3rd tensimeter 13-3.The water outlet of cartridge filter 4 is connected with the water-in of the first high-pressure pump 5 by the 5th pipeline 11-5.5th pipeline 11-5 is provided with successively the 4th tensimeter 13-4 and the first pressure switch 14-1.The water outlet of the first high-pressure pump 5 is connected with the raw water inlet 6-1 of the first reverse osmosis membrane stack 6 by the 6th pipeline 11-6.6th pipeline 11-6 is provided with successively the second manual valve 12-2, the second pressure switch 14-2 and the 5th tensimeter 13-5.The water outlet 6-2 of the first reverse osmosis membrane stack 6 is connected with the import of the first electric T-shaped valve 15-1 by the 7th pipeline 11-7.
First outlet of the first electric T-shaped valve 15-1 is connected with the water-in of the second high-pressure pump 7 by the 8th pipeline 11-8.Second outlet of the first electric T-shaped valve 15-1 is connected with concentrated water discharge mouth 300 by the 9th pipeline 11-9.
7th pipeline 11-7 is provided with successively the 3rd pressure switch 14-3, the 6th tensimeter 13-6, the first check valve 16-1 and the first salt amount display switch 17-1.
8th pipeline 11-8 is connected by the tenth pipeline 11-10 with the 9th pipeline 11-9, the tenth pipeline 11-10 from the 8th pipeline 11-8 to the 9th pipeline 11-9 be provided with the second magnetic valve 15-2 and the second check valve 16-2 successively.8th pipeline 11-8 is provided with first-class gauge 18-1, sampling manual valve 12-3, the first pressure unit 19-1 and the 7th tensimeter 13-7 successively.
The dense water out 6-3 of the first reverse osmosis membrane stack 6 is connected with the 9th pipeline 11-9 by the 11 pipeline 11-11, and the 11 pipeline 11-11 is provided with the 8th tensimeter 13-8, the first variable valve 12-4, second gauge 18-2 and the 3rd check valve 16-3 successively.11 pipeline 11-11 is parallel with the 3rd motorized valve 15-3 with the first variable valve 12-4.
3rd interface 9-3 of the first multiway valve 9 is connected with the 9th pipeline 11-9 by the 12 pipeline 11-12.3rd interface 10-3 of the second multiway valve 10 is connected with the 9th pipeline 11-9 by the 13 pipeline 11-13.
The water outlet of the second high-pressure pump 7 is connected with the raw water inlet of the second reverse osmosis membrane stack 8 by the 14 pipeline 11-14.14 pipeline 11-14 is provided with the 4th motorized valve 15-4 and the 9th tensimeter 13-9 successively.The water outlet of the second reverse osmosis membrane stack 8 is connected with fresh water water-in 200 by the 15 pipeline 11-15.15 pipeline 11-15 is provided with successively the 4th pressure switch 14-4, the tenth tensimeter 13-10, the 3rd under meter 18-3, the second salt amount display switch 17-2 and the 4th check valve 16-4.The dense water out of the second reverse osmosis membrane stack 8 is connected with the first pipeline 11-1, is provided with the 11 tensimeter 13-11, the second variable valve 12-5, the 4th under meter 18-4 and the 5th check valve 16-5 successively between the dense water out of the second reverse osmosis membrane stack 8 and the first topping-up pump 1.First pipeline 11-1 is connected with the 8th pipeline 11-8 by the 16 pipeline 11-16.The interface that 16 pipeline 11-16 is connected with the first pipeline 11-1 is between the 11 tensimeter 13-11 and the second variable valve 12-5.16 pipeline 11-16 is provided with the 3rd variable valve 12-6 and the 5th under meter 18-5 successively by the first pipeline 11-1 to the 8th pipeline 11-8.
Integral type two steps ro device of the present invention eliminates the mode of connection of middle transition water tank, and the product water of one-level is directly entered the second high-pressure pump.By the first electric T-shaped valve 15-1, water producing pipe road (the 7th pipeline 11-7) is divided into two-way water producing pipe road (the 8th pipeline 11-8 and the 9th pipeline 11-9).By the tenth pipeline 11-10, the 8th pipeline 11-8 is being connected with the 9th pipeline 11-9, and the second magnetic valve 15-2 and the second check valve 16-2 is being set on the tenth pipeline 11-10.On the 8th pipeline 11-8, the first pressure unit 19-1 is installed again, by signal control the 4th motorized valve 15-4 of this first pressure unit 19-1.When the start of first-stage reverse osmosis device runs, two-pass reverse osmosis also do not start shooting before the second magnetic valve 15-2 open, water is emitted, after a few startup in second of second high-pressure pump 7 time delay, the second magnetic valve 15-2 closes immediately, the 4th motorized valve 15-4 that second high-pressure pump 7 exports is according to its aperture of Signal Regulation of the first pressure unit 19-1, guarantee that the pressure of the second high-pressure pump 7 water-in remains on about 0.1MPa, thus ensure the coupling between two-stage, realize fully automatic operation.
Above embodiment is used for illustrative purposes only; but not limitation of the present invention; person skilled in the relevant technique without departing from the spirit and scope of the present invention; various conversion and change can also be made; can also transform accordingly according to the inspiration of above-described embodiment in embody rule process, therefore all equivalent technical schemes all should be included within scope of patent protection of the present invention.
Claims (7)
1. an integral type two steps ro device, is characterized in that: comprise the first topping-up pump (1), more medium filter (2), activated charcoal filter (3), cartridge filter (4), the first high-pressure pump (5), the first reverse osmosis membrane stack (6), the second high-pressure pump (7) and the second reverse osmosis membrane stack (8); First topping-up pump (1), more medium filter (2), activated charcoal filter (3), cartridge filter (4), the first high-pressure pump (5) are connected by corresponding pipeline successively with the first reverse osmosis membrane stack (6); The water outlet (6-2) of the first reverse osmosis membrane stack (6) is connected with the import of the first electric T-shaped valve (15-1) by the 7th pipeline (11-7); First outlet of the first electric T-shaped valve (15-1) is connected with the water-in of the second high-pressure pump (7) by the 8th pipeline (11-8); Second outlet of the first electric T-shaped valve (15-1) is connected with concentrated water discharge mouth (300) by the 9th pipeline (11-9); 8th pipeline (11-8) is connected by the tenth pipeline (11-10) with the 9th pipeline (11-9), the tenth pipeline (11-10) from the 8th pipeline (11-8) to the 9th pipeline (11-9) be provided with the second magnetic valve (15-2) and the second check valve (16-2) successively; 8th pipeline (11-8) is provided with the first pressure unit (19-1); The dense water out (6-3) of the first reverse osmosis membrane stack (6) is connected with the 9th pipeline (11-9) by the 11 pipeline (11-11); The water outlet of the second high-pressure pump (7) is connected by the raw water inlet of the 14 pipeline (11-14) with the second reverse osmosis membrane stack (8); 14 pipeline (11-14) is provided with the 4th motorized valve (15-4); The water outlet of the second reverse osmosis membrane stack (8) is connected with fresh water water-in (200) by the 15 pipeline (11-15); By the signal control the 4th motorized valve (15-4) of the first pressure unit (19-1); When the start of first-stage reverse osmosis device runs, two-pass reverse osmosis also do not start shooting before the second magnetic valve (15-2) open, water is emitted, after a few startup in second of second high-pressure pump (7) time delay, the second magnetic valve (15-2) cuts out immediately, the 4th motorized valve (15-4) that second high-pressure pump (7) exports, according to its aperture of Signal Regulation of the first pressure unit (19-1), guarantees that the pressure of the second high-pressure pump (7) water-in remains on about 0.1MPa.
2. integral type two steps ro device according to claim 1, is characterized in that: also comprise the first multiway valve (9) and the second multiway valve (10); First topping-up pump (1) is connected with original water inlet (100) by the first pipeline (11-1) by its water-in; First multiway valve (9) is arranged on more medium filter (2); The water outlet of the first topping-up pump (1) is connected with the first interface (9-1) of the first multiway valve (9) by the second pipeline (11-2); Second pipeline (11-2) is provided with successively the first manual valve (12-1) and the first tensimeter (13-1); Second interface (9-2) of the first multiway valve (9) is connected with the first interface (10-1) of the second multiway valve (10) by the 3rd pipeline (11-3); 3rd pipeline (11-3) is provided with the second tensimeter (13-2); 3rd interface (10-3) of the second multiway valve (10) is connected with the water-in of cartridge filter (4) by the 4th pipeline (11-4); 4th pipeline (11-4) is provided with the 3rd tensimeter (13-3); The water outlet of cartridge filter (4) is connected with the water-in of the first high-pressure pump (5) by the 5th pipeline (11-5); 5th pipeline (11-5) is provided with successively the 4th tensimeter (13-4) and the first pressure switch (14-1); The water outlet of the first high-pressure pump (5) is connected with the raw water inlet (6-1) of the first reverse osmosis membrane stack (6) by the 6th pipeline (11-6); 6th pipeline (11-6) is provided with successively the second manual valve (12-2), the second pressure switch (14-2) and the 5th tensimeter (13-5); 3rd interface (9-3) of the first multiway valve (9) is connected with the 9th pipeline (11-9) by the 12 pipeline (11-12); 3rd interface (10-3) of the second multiway valve (10) is connected with the 9th pipeline (11-9) by the 13 pipeline (11-13).
3. integral type two steps ro device according to claim 1 and 2, is characterized in that: the 7th pipeline (11-7) is provided with successively the 3rd pressure switch (14-3), the 6th tensimeter (13-6), the first check valve (16-1) and the first salt amount display switch (17-1).
4. integral type two steps ro device according to claim 1 and 2, is characterized in that: the 8th pipeline (11-8) is also provided with first-class gauge (18-1), sampling manual valve (12-3) and the 7th tensimeter (13-7); First-class gauge (18-1), sampling manual valve (12-3), the first pressure unit (19-1) and the 7th tensimeter (13-7) set gradually.
5. integral type two steps ro device according to claim 1 and 2, is characterized in that: the 11 pipeline (11-11) is provided with successively the 8th tensimeter (13-8), the first variable valve (12-4), second gauge (18-2) and the 3rd check valve (16-3); 11 pipeline (11-11) is upper is parallel with the 3rd motorized valve (15-3) with the first variable valve (12-4).
6. integral type two steps ro device according to claim 1 and 2, is characterized in that: the 15 pipeline (11-15) is provided with successively the 4th pressure switch (14-4), the tenth tensimeter (13-10), the 3rd under meter (18-3), the second salt amount display switch (17-2) and the 4th check valve (16-4).
7. integral type two steps ro device according to claim 1 and 2, it is characterized in that: the dense water out of the second reverse osmosis membrane stack (8) is connected with the first pipeline (11-1), between the dense water out of the second reverse osmosis membrane stack (8) and the first topping-up pump (1), be provided with the 11 tensimeter (13-11), the second variable valve (12-5), the 4th under meter (18-4) and the 5th check valve (16-5) successively; First pipeline (11-1) is connected with the 8th pipeline (11-8) by the 16 pipeline (11-16); The interface that 16 pipeline (11-16) is connected with the first pipeline (11-1) is positioned between the 11 tensimeter (13-11) and the second variable valve (12-5); 16 pipeline (11-16) is provided with the 3rd variable valve (12-6) and the 5th under meter (18-5) successively by the first pipeline (11-1) to the 8th pipeline (11-8).
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| CN201510551238.8A CN105036401B (en) | 2015-09-01 | 2015-09-01 | Integral type two steps ro device |
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| CN201510551238.8A CN105036401B (en) | 2015-09-01 | 2015-09-01 | Integral type two steps ro device |
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| CN105036401A true CN105036401A (en) | 2015-11-11 |
| CN105036401B CN105036401B (en) | 2017-03-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114853120A (en) * | 2022-05-09 | 2022-08-05 | 自然资源部天津海水淡化与综合利用研究所 | System for producing water according to qualities and synchronously concentrating reverse osmosis seawater |
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| JP2008068243A (en) * | 2006-09-15 | 2008-03-27 | Kankyo Kogaku:Kk | Water purifying device |
| JP2009011924A (en) * | 2007-07-04 | 2009-01-22 | Toray Ind Inc | Membrane separation apparatus |
| CN202246294U (en) * | 2012-01-21 | 2012-05-30 | 常州市康耐特机械设备有限公司 | Reverse osmosis sea water desalting device for boat |
| CN204079550U (en) * | 2014-09-17 | 2015-01-07 | 北京信德源科贸有限公司 | Two-pass reverse osmosis deep desalting device |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008068243A (en) * | 2006-09-15 | 2008-03-27 | Kankyo Kogaku:Kk | Water purifying device |
| JP2009011924A (en) * | 2007-07-04 | 2009-01-22 | Toray Ind Inc | Membrane separation apparatus |
| CN202246294U (en) * | 2012-01-21 | 2012-05-30 | 常州市康耐特机械设备有限公司 | Reverse osmosis sea water desalting device for boat |
| CN204079550U (en) * | 2014-09-17 | 2015-01-07 | 北京信德源科贸有限公司 | Two-pass reverse osmosis deep desalting device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114853120A (en) * | 2022-05-09 | 2022-08-05 | 自然资源部天津海水淡化与综合利用研究所 | System for producing water according to qualities and synchronously concentrating reverse osmosis seawater |
| CN114853120B (en) * | 2022-05-09 | 2023-09-08 | 自然资源部天津海水淡化与综合利用研究所 | System for separating and producing water and synchronously concentrating reverse osmosis seawater |
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| CN105036401B (en) | 2017-03-08 |
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