CN101993156B - Backwater security method of recycle of thick water discharged from pure water machine - Google Patents
Backwater security method of recycle of thick water discharged from pure water machine Download PDFInfo
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- CN101993156B CN101993156B CN 200910166274 CN200910166274A CN101993156B CN 101993156 B CN101993156 B CN 101993156B CN 200910166274 CN200910166274 CN 200910166274 CN 200910166274 A CN200910166274 A CN 200910166274A CN 101993156 B CN101993156 B CN 101993156B
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- backwater
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 240
- 238000000034 method Methods 0.000 title abstract description 4
- 238000001914 filtration Methods 0.000 claims abstract description 26
- 241000876443 Varanus salvator Species 0.000 claims description 31
- 239000008213 purified water Substances 0.000 claims description 25
- 238000004064 recycling Methods 0.000 claims description 17
- 239000008399 tap water Substances 0.000 abstract description 9
- 235000020679 tap water Nutrition 0.000 abstract description 9
- 238000000746 purification Methods 0.000 abstract description 6
- 235000020188 drinking water Nutrition 0.000 abstract description 2
- 239000003651 drinking water Substances 0.000 abstract description 2
- 238000011045 prefiltration Methods 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 12
- 239000012528 membrane Substances 0.000 description 11
- 238000001223 reverse osmosis Methods 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 230000002070 germicidal effect Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 238000001728 nano-filtration Methods 0.000 description 4
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- 241000894006 Bacteria Species 0.000 description 2
- 241000700605 Viruses Species 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
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- 229910052749 magnesium Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
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Abstract
The invention relates to the water treatment industry, in particular to the aspect of deep filtering and purification of drinking water. The invention discloses a backwater treating method of recycle of thick water discharged from a pure water machine, comprising an inlet valve, a pre-filter element, a lift pump, a fine filter element device, a middle water receiver with an overflow pipeline and a backwater security processing device, wherein a water inlet pipeline thereof is connected with the thick water discharge port pipe of the fine filter element, and a water outlet pipeline thereof is communicated with the water inlet pipeline of the lift pump by a backwater controlled valve, the backwater security processing device includes an overflow solenoid valve and an overflow switch and is arranged on the middle water receiver; and the overflow switch is connected in a control circuit of the overflow solenoid valve. The invention has the advantages that the invention not only has high-grade filter layer structure but also saves a great amount of tap water, has a safe and reliable thick water discharge recycle system and has simple and practical machine structure which is convenient to popularize.
Description
Technical field
The present invention is relevant with water treatment field, is specifically related to depth type filtration, the purification aspect of tap water.
Background technology
At present, purified water machine uses at home and has obtained popularizing to a certain degree.When water, adopt pure water in the water and hydraulic pipe-line cause that impurity etc. carries out depth type filtration, protected user's health preferably, especially adopt the purified water machine of nanofiltration membrane, reverse osmosis membrane, filtration grade height, effective.Yet, popularization along with purified water machine, they have also progressively come out in the defective of application facet: because the filtering membrane of the fine filter core of employing nanofiltration membrane or reverse osmosis membrane structure is superfine, tap water need be when lift pump filtering water processed, and it arranges a large amount of drainings of dense pipeline.Usually, tap water through preposition filter cores such as fiber melt-blowing filter cores after, under the effect of lift pump, enter fine filter core and divide two-way to flow out from water purification mouth and row's agricultural agency respectively.Have only about 1/3rd of the dense mouthful of water yield of discharging of row from the water yield that the water purification mouth flows out, even have only 1/4th.Be equipped with the water quality of micro-filtration level from arranging dense mouthful of glassware for drinking water of discharging, and contain beneficial mineral matter such as a large amount of calcium, magnesium.Because the very easy fine filtering film that stops up of these mineral substance influences the life-span, so it need be fallen from bypass discharge leg, thereby cause a large amount of wastes of tap water.This is a very big shortcoming to purified water machine, also is purified water machine long-run development major cause slowly.By water receiver in the middle of arranging, the water of fine filter core being arranged dense mouthful of pipeline discharge carries out recycling: the recycling pipeline of water receiver feedback connection lift pump constitutes the closed loop water supply pattern in the middle of will arranging, and by the magnetic valve in the recycling pipeline, and the entering water electromagnetic valve of the suction culvert of purified water machine, select a control and supply water.Magnetic valve in the middle of considering in the water receiver recycling pipeline is in a single day out of control, and the water in the middle water receiver will cause purified water machine unusual, and therefore middle water receiver need arrange the overflow port pipeline.For the purified water machine that is arranged under the tank, in the middle of it water receiver overflow port pipeline can with the water channel sewage pipeline connection.Yet, in the water receiver the dense water of the row of recycling is polluted in the middle of bacterium, virus and worm ant also can enter along the overflow port pipeline.Above-mentioned defective and the not enough water purifier of the middle water receiver of band that causes are difficult to be popularized.
Summary of the invention
The technical problem that the present invention mainly solves provides the backwater security personnel treatment unit that a kind of simple and practical purified water machine is arranged dense water recycling, to overcome above-mentioned defective and deficiency.
A kind of purified water machine is arranged the backwater treating device of dense water recycling, comprises water intaking valve, preposition filter core, lift pump, fine filter core device, and the middle water receiver of carry potential overflow mouth pipeline, and dense mouthful of pipeline of its suction culvert and fine filter core row is connected; Its outlet pipeline is communicated with the lift pump suction culvert by the backwater Controlled valve, it is characterized in that also comprising the backwater security personnel treatment unit that overflow magnetic valve and relief cock are set; This backwater security personnel treatment unit is arranged on the middle water receiver; This relief cock is connected in the pilot circuit of overflow magnetic valve.
Be provided with water monitor in the water receiver in the middle of described; The water level control of described relief cock in middle water receiver triggers the control that highly is higher than water monitor and triggers water level upper limit A.
The height of water receiver overflow port triggers between the control triggering water level upper limit A of height and water monitor in the water level control of relief cock in the middle of described.
Also comprise the low-water level safety cout off; The control that its control elevation of water surface is lower than water monitor triggers height lower limit B.
Described backwater security personnel treatment unit is provided with strainer, and this filter bits is in middle water receiver overflow port pipeline.
Described backwater security personnel treatment unit also comprises ultraviolet sterilizer; This ultraviolet sterilizer carries out uviolizing to the water in the filtration channel to be handled.
Water receiver in the middle of described ultraviolet sterilizer is positioned at.
Described ultraviolet sterilizer is positioned at fine filter core device rear end.
The present invention includes water intaking valve, preposition filter core, lift pump, fine filter core device, and the middle water receiver of carry potential overflow mouth pipeline, dense mouthful of pipeline of its suction culvert and fine filter core row is connected; Its outlet pipeline is communicated with the lift pump suction culvert by the backwater Controlled valve, also comprises backwater security personnel treatment unit; This backwater security personnel treatment unit centers on middle water receiver, and this backwater security personnel treatment unit carries out backwater security personnel processing to reaching relevant outlet pipeline in the middle water receiver; Prevent bacterium, virus and worm ant entered by the overflow port pipeline in the middle of in the water receiver, and in the container and the backwater of outlet pipeline carry out germicidal treatment, guarantee to be met the requirements by the water purification that the fine filter core water outlet flows out.
During the circuit turn-on of described lift pump, backwater Controlled valve and water intaking valve are selected a conducting.
Water receiver is provided with the water monitor of control backwater Controlled valve in the middle of described.When the water in the middle water receiver was in the lower control limit of water monitor, the backwater Controlled valve was closed in water monitor control, opens water intaking valve; When the water in the middle water receiver is on the control water level of water monitor in limited time, water intaking valve is closed in water monitor control, opens the backwater Controlled valve.When the water in the middle water receiver was between the control upper and lower limit of water monitor, the backwater Controlled valve was open-minded during lift pump work.
Water receiver is provided with admission passage in the middle of described.
In the water receiver admission passage air intake filter can be set in the middle of described.
But water receiver is openable container in the middle of described, can open cleaning.
Water receiver is provided with the liquid filtering layer in the middle of described.
Water receiver is provided with overflow port in the middle of described.The position of this overflow port is higher than the control water level upper limit of water monitor.
Described backwater security personnel treatment unit comprises the overflow magnetic valve that is connected in the overflow port pipeline.
Described backwater security personnel treatment unit comprises relief cock; This relief cock is connected in the pilot circuit of overflow magnetic valve.
Be provided with water monitor in the water receiver in the middle of described; The water level control of described relief cock in middle water receiver triggers the control that highly is higher than water monitor and triggers water level upper limit A.Only after water monitor lost efficacy, the water level in the middle of entering in the water receiver constantly raise, and just might trigger relief cock, opens the overflow magnetic valve and discharges water, and reminds the user simultaneously.
The height of water receiver overflow port triggers between the control triggering water level upper limit A of height and water monitor in the water level control of relief cock in the middle of described.If the water level in the middle of the water that the overflow port pipeline is discharged makes in the water receiver reduces, relief cock resets, then the overflow closed electromagnetic valve.
Described backwater security personnel treatment unit also comprises the low-water level safety cout off; The control that its control elevation of water surface is lower than water monitor triggers height lower limit B.Water in middle water receiver is in the lower control limit B of water monitor, and water monitor control can not close backwater Controlled valve so that water level when continuing to descend, and triggers the low-water level safety cout off and closes lift pump and report to the police.
Described backwater security personnel treatment unit also comprises strainer, and this filter bits prevents that impurity from entering in middle water receiver overflow port pipeline.For the ease of strainer is carried out clean, the strainer in the overflow port pipeline also can be arranged to shirk strainer; Corresponding filtering layer is replaceable filtering layer.
Described backwater security personnel treatment unit also comprises ultraviolet sterilizer; This ultraviolet sterilizer carries out uviolizing to the water in the filtration channel to be handled.By ultraviolet sterilizer the water in the middle water receiver is carried out germicidal treatment.
Described ultraviolet sterilizer is positioned at fine filter core device rear end.The pure water that is flowed out by the fine filter core water outlet becomes the terminal tap water behind the process ultraviolet sterilizer irradiation-sterilize again.In addition, be positioned at the ultraviolet sterilizer of fine filter core device rear end, can also carry out germicidal treatment to the water that is entered by the water intaking valve pipeline.
Described fine filter core device both can be the nanofiltration membrane filter core, also can be the reverse osmosis membrane filter core.
Described preposition filter core possesses preposition filtration, the adsorption before the common purified water machine R0 membrane reverse osmosis filter core.Its concrete structure both can adopt three grades of cartridge combination structures of front and back stages PPF meltblown fibers filter core, the middle active carbon filter core of one-level, also can adopt the Combination filter element structure of two-layer PPF meltblown fibers filter core, middle gac, can also change one-level meltblown fibers filter core into ceramic element.In addition, can also adopt PPF meltblown fibers filter cartridge construction separately.Intake pump both can be arranged in the front end pipeline of PPF meltblown fibers filter core, also can be arranged in the pipeline between first step PPF meltblown fibers filter core and the middle active carbon filter core, but be preferred plan to be arranged on before the fine filter core.Filter thinner second stage PPF meltblown fibers filter core and be mainly used in preventing active carbon filter core " race charcoal ", protect fine filter core, and the water that flows through is carried out further filtration treatment.
The shut off valve that the present invention relates to is used for the water displacement of dense mouthful of pipeline of control fine filter core row, controls " the waste water ratio " of fine filter core then.
The present invention compares with existing purified water machine and has the following advantages: not only possess high-grade filtering layer structure but also save a large amount of tap water; It is safe and reliable to arrange dense water recycling system; Simple and practical being convenient to of machine construction promoted.
Description of drawings
Accompanying drawing is water route of the present invention principle of work synoptic diagram.
Embodiment
Accompanying drawing illustrates preferred forms of the present invention.Middle water receiver 6 systems are attempted by between lift pump and the shut off valve end: shut off valve 5 rear ends at dense mouthful of pipeline of fine filter core 4 rows are connected centre water receiver 6.Be provided with backwater controlled solenoid valve 10 in the outlet pipeline of this centre water receiver 6, and be connected with lift pump 3 suction culverts.Water levels in 7 pairs of middle water receivers 6 of the water monitor of control backwater controlled solenoid valve 10 are controlled; The admission passage that is provided with in addition at middle water receiver 6.In running order down at lift pump 3, both can only have a conducting entering water electromagnetic valve 1 and backwater controlled solenoid valve 10, and another then is closed.During pure water mechanism water, entering water electromagnetic valve 1 and lift pump 3 circuit turn-on work, tap water enters preposition filter core 2 and carries out preposition filtration by entering water electromagnetic valve 1.Continue to enter fine filter core 4 through the water of preposition filtration 2 by lift pump 3, under the hydraulic pressure effect of lift pump 3, be divided into two the tunnel and be pure water by fine filter core 4: a tunnel through the outflow of water purification outlet pipeline; Another road is water receiver 6 in the middle of shut off valve 5 enters.When the water level in the middle water receiver 6 rose to the A place, 10 conductings of water monitor 7 control backwater controlled solenoid valves, entering water electromagnetic valve 1 were closed, and the water in the middle of lift pump 3 continues to extract in the water receiver 6 is delivered to fine filter core 4 and produces pure water.When the water level in the middle water receiver 6 is on the increase with the pure water that makes and when dropping to the B place gradually, water monitor 7 control backwater controlled solenoid valves 10 are closed, entering water electromagnetic valve 1 conducting, and lift pump 3 changes to be continued to draw water by former suction culvert and is delivered to fine filter core 4 and filters water processed.Switch the re-using that the dense tubes rows of fine filter core 4 rows can be discharged water of the pattern draw water, produce pure water and so forth.When purified water machine need not water processed, the air pump inoperative that draws water, entering water electromagnetic valve 1 and backwater controlled solenoid valve 10 are also closed.Draw water for the ease of lift pump 3, middle water receiver 6 is provided with admission passage.
Air intake filter 8 is set in admission passage, can reduce and avoid entering in the middle of the air of water receiver 6 water storage is polluted.
Can be set to normal open state by the backwater controlled solenoid valve for the ease of control, the water position status in the middle of paying the utmost attention to during lift pump work in the water receiver 6.Have only when being in this water level and being in lower limit B place, just close backwater controlled solenoid valve 10, open water intaking valve 1.
Water receiver 6 is provided with overflow port in the middle of described, in case preventing that water monitor 7 from causing after out of control the backwater controlled solenoid valve 10 can not conducting so that in the middle of water excesss and overflowed by admission passage in the water receiver 6.When water monitor 7 control trigger water level upper limit A place out of control after, the 10 not conductings of backwater controlled solenoid valve, the water of being discharged by shut off valve 5 bleeds off through middle water receiver 6 overflow port tubes rows: the control that the water level namely in the water receiver 6 is higher than water monitor 7 triggers water level upper limit A, and continue to rise and trigger relief cock 12, open overflow magnetic valve 11 and discharge water.When the water in the middle water receiver 6 through overflow day pipeline flow out the back and descend when making the original state of relief cock 12 recoveries, overflow magnetic valve 11 cuts out no longer draining.
As improvement, the present invention also comprises the low-water level safety cout off; The control that its control elevation of water surface is lower than water monitor triggers height lower limit B.When water monitor 7 control trigger water level lower limit B place out of control after, the water in the middle water receiver is in the lower control limit B of water monitor, and when continuing to descend, triggers the low-water level safety cout off and close lift pump and warning.
As improvement of the present invention, be provided with strainer in the described middle water receiver 6 overflow port pipelines, enter to prevent foreign matter, bacteriophage and worm ant etc.Usually strainer is arranged on overflow magnetic valve water side for fear of influencing the work of overflow magnetic valve.
As a further improvement on the present invention, described strainer can be arranged to shirk strainer; Corresponding filtering layer is replaceable filtering layer, so that filtering layer is cleaned.
Further improve as of the present invention, described backwater security personnel treatment unit also comprises ultraviolet sterilizer; This ultraviolet sterilizer carries out uviolizing to the water in the filtration channel to be handled.By ultraviolet sterilizer the water in the middle water receiver is carried out germicidal treatment.
The another kind of improved mode of the ultraviolet sterilizer sterilization mode that adopts as the present invention: described ultraviolet sterilizer is positioned at fine filter core device rear end.The pure water that is flowed out by the fine filter core water outlet becomes the terminal tap water behind the process terminal ultraviolet sterilizer irradiation-sterilize again.In addition, be positioned at the ultraviolet sterilizer of fine filter core device rear end, can also carry out germicidal treatment to the water that is entered by the water intaking valve pipeline, thereby expand the range of application of ultraviolet sterilizer.
As improvement of the present invention, but middle water receiver 6 is openable containers.Water receiver 6 is convenient to the middle water receiver of routine cleaning inside in the middle of adopting openable.
As a further improvement on the present invention, middle water receiver 6 is provided with liquid filtering layer 9.Adopt liquid filtering layer 9, can filter recirculation water, alleviate the burden of fine filter core.In view of middle water receiver 6 is openables, cleans, change so can regularly take out filtering layer 9.
Preposition filter core 2 involved in the present invention possesses preposition filtration, the adsorption before the common purified water machine RO membrane reverse osmosis filter core.Its concrete structure both can adopt the single filter cartridge construction of combination of two-layer PPF meltblown fibers filter core, middle gac, also adopted three grades of filter core split cartridge combination structures of front and back stages PPF meltblown fibers filter core, the middle active carbon filter core of one-level.Entering water electromagnetic valve 1 also can be arranged in the pipeline between first step PPF meltblown fibers filter core and the middle active carbon filter core before being arranged on first step PPF meltblown fibers filter core.Lift pump is arranged in the suction culvert of fine filter core.
The fine filter core 4 that the present invention relates to both can be that the nanofiltration membrane filter core also can be the reverse osmosis membrane filter core.The both is that the pure water of water pump setting-out, continuous blow-down is produced pattern, and its principle is basic identical.
The shut off valve 5 that the present invention relates to is used for the water displacement of dense mouthful of pipeline of control fine filter core 4 rows, controls " the waste water ratio " of fine filter core then.
The invention is not restricted to above-mentioned embodiment.No matter how the structure of purified water machine changes, all employing fine filter core are arranged dense pipeline and are connected middle water receiver; And the water return pipeline of this centre water receiver is connected with the lift pump suction culvert by Controlled valve; and backwater security personnel treatment unit is set the ensure public security purified water machine handled of the water in the middle water receiver 6 is all belonged to the development of technical solution of the present invention, all drop within the protection domain of the present invention.
Claims (8)
1. a purified water machine is arranged the backwater treating device of dense water recycling, comprise water intaking valve (1), preposition filter core (2), lift pump (3), fine filter core device (4), and the middle water receiver (6) of carry potential overflow mouth pipeline, dense mouthful of pipeline of its suction culvert and fine filter core (4) row is connected; Its outlet pipeline is communicated with lift pump (3) suction culvert by backwater Controlled valve (10), it is characterized in that also comprising the backwater security personnel treatment unit that overflow magnetic valve (11) and relief cock (12) are set; This backwater security personnel treatment unit is arranged on the middle water receiver (6); This relief cock (12) is connected in the pilot circuit of overflow magnetic valve (11).
2. purified water machine as claimed in claim 1 is arranged the backwater treating device of dense water recycling, it is characterized in that being provided with water monitor (7) in the described middle water receiver (6); The water level control of described relief cock (12) in middle water receiver (6) triggers the control that highly is higher than water monitor (7) and triggers water level upper limit A.
3. purified water machine as claimed in claim 2 is arranged the backwater treating device of dense water recycling, it is characterized in that described in the middle of the height of water receiver (6) the overflow port water level control that is positioned at relief cock (12) control that triggers height and water monitor (7) trigger between the water level upper limit A.
4. purified water machine as claimed in claim 3 is arranged the backwater treating device of dense water recycling, it is characterized in that also comprising low-water level safety cout off (13); The control that its control elevation of water surface is lower than water monitor (7) triggers height lower limit B.
5. purified water machine as claimed in claim 1 is arranged the backwater treating device of dense water recycling, it is characterized in that described backwater treating device is provided with strainer (14), water receiver (6) overflow port pipeline in the middle of this strainer (14) is arranged in.
6. arrange the backwater treating device of dense water recycling as claim 1,2,3,4 or 5 described purified water machines, it is characterized in that described backwater treating device also comprises ultraviolet sterilizer; This ultraviolet sterilizer carries out uviolizing to the water in the filtration channel to be handled.
7. purified water machine as claimed in claim 6 is arranged the backwater treating device of dense water recycling, it is characterized in that described ultraviolet sterilizer is positioned at middle water receiver (6).
8. purified water machine as claimed in claim 6 is arranged the backwater treating device of dense water recycling, it is characterized in that described ultraviolet sterilizer is positioned at fine filter core device (4) rear end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910166274 CN101993156B (en) | 2009-08-16 | 2009-08-16 | Backwater security method of recycle of thick water discharged from pure water machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910166274 CN101993156B (en) | 2009-08-16 | 2009-08-16 | Backwater security method of recycle of thick water discharged from pure water machine |
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| Publication Number | Publication Date |
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| CN101993156A CN101993156A (en) | 2011-03-30 |
| CN101993156B true CN101993156B (en) | 2013-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200910166274 Expired - Fee Related CN101993156B (en) | 2009-08-16 | 2009-08-16 | Backwater security method of recycle of thick water discharged from pure water machine |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106565026B (en) * | 2015-10-10 | 2021-04-20 | 杜也兵 | Water switching and making method of double-pump water purifier with concentrated drainage water recovery device |
| CN108423760A (en) * | 2017-02-14 | 2018-08-21 | 杜也兵 | The reverse osmosis water purifier of row's NF concentrated water reuse control device is set |
| CN115367895A (en) * | 2020-09-08 | 2022-11-22 | 杜宁峻 | Double-outlet reverse osmosis water purifier with concentrated water discharge switching water delivery device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1131578A (en) * | 1994-11-14 | 1996-09-25 | 三星电子株式会社 | Overflowed control device for water clarifier |
| CN2323710Y (en) * | 1998-03-10 | 1999-06-16 | 林上群 | Reverse osmosis water dispenser water saving device |
| JP2000126767A (en) * | 1998-10-21 | 2000-05-09 | Toray Ind Inc | Method and apparatus for producing purified water |
| CN1594144A (en) * | 2003-09-08 | 2005-03-16 | 何立甫 | Method and apparatus for treating and reusing domestic wastewater |
| JP2006289334A (en) * | 2005-04-07 | 2006-10-26 | Koichi Kawakami | Reverse osmosis membrane water purifier utilizable for waste water and purified water |
| CN101062801A (en) * | 2006-04-30 | 2007-10-31 | 深圳市深水海纳水务有限公司 | Purified water treatment facilities and pure water machine dense water treatment method |
| CN201211450Y (en) * | 2008-05-11 | 2009-03-25 | 杜也兵 | Water purifier |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050087492A1 (en) * | 2003-10-23 | 2005-04-28 | Schmitt Craig A. | Reverse osmosis water filtering system |
-
2009
- 2009-08-16 CN CN 200910166274 patent/CN101993156B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1131578A (en) * | 1994-11-14 | 1996-09-25 | 三星电子株式会社 | Overflowed control device for water clarifier |
| CN2323710Y (en) * | 1998-03-10 | 1999-06-16 | 林上群 | Reverse osmosis water dispenser water saving device |
| JP2000126767A (en) * | 1998-10-21 | 2000-05-09 | Toray Ind Inc | Method and apparatus for producing purified water |
| CN1594144A (en) * | 2003-09-08 | 2005-03-16 | 何立甫 | Method and apparatus for treating and reusing domestic wastewater |
| JP2006289334A (en) * | 2005-04-07 | 2006-10-26 | Koichi Kawakami | Reverse osmosis membrane water purifier utilizable for waste water and purified water |
| CN101062801A (en) * | 2006-04-30 | 2007-10-31 | 深圳市深水海纳水务有限公司 | Purified water treatment facilities and pure water machine dense water treatment method |
| CN201211450Y (en) * | 2008-05-11 | 2009-03-25 | 杜也兵 | Water purifier |
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| CN101993156A (en) | 2011-03-30 |
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