CN103551041A - Impulse-type reverse osmosis membrane off-line cleaning device - Google Patents
Impulse-type reverse osmosis membrane off-line cleaning device Download PDFInfo
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- CN103551041A CN103551041A CN201310534006.2A CN201310534006A CN103551041A CN 103551041 A CN103551041 A CN 103551041A CN 201310534006 A CN201310534006 A CN 201310534006A CN 103551041 A CN103551041 A CN 103551041A
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- reverse osmosis
- cleaning
- water tank
- osmosis membrane
- pneumatic diaphragm
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Abstract
The invention discloses an impulse-type reverse osmosis membrane off-line cleaning device. The impulse-type reverse osmosis membrane off-line cleaning device comprises a cleaning water tank, a pneumatic diaphragm pump, a precision filter and a reverse osmosis membrane shell; forward and reverse washing pipelines are arranged between the outlet of the precision filter and the reverse osmosis membrane shell; a small circulation system is arranged between the pneumatic diaphragm pump and the cleaning water tank; a water producing opening of the reverse osmosis membrane shell is connected with a water inlet of the cleaning water tank through a water producing pipeline. According to the invention, the water force scouring effect can be intensified effectively so as to achieve the impulse-type water force scouring effect by utilizing the off-line cleaning device with an impulse-type bidirectional operation function; water intake circulation cleaning at a forward direction and a reverse direction is adopted in the cleaning process, and pollutants can be stimulated to be removed at different angles; the cleaning strength is intensified; the cleaning quality is improved.
Description
Technical field
The present invention relates to a kind of water treatment facilities cleaning device, be specifically related to a kind of pulsed off-line cleaning device for reverse osmosis membrane.
Background technology
At present, reverse osmosis technology is increasingly universal, more and more be applied in the industries such as reusing sewage, desalinization, food, chemical industry, the diversification of purposes, the contaminated situation of reverse osmosis membrane is more sophisticated also, pollution level also more and more adds seriously, there is exhaustion phenomenon in a lot of reverse osmosis membranes, causes membrane component pressure reduction rising in the course of the work, and delay rate, flow decline, cisco unity malfunction even, online conventional cleaning can not thoroughly solve membrane pollution problem.The membrane component that causes system to have to more renew, causes the waste for no reason of cost.
Summary of the invention
The present invention is intended to overcome the deficiencies in the prior art, provides a kind of and can effectively remove the dirt in reverse osmosis membrane, and avoid the two-way chemically-cleaning device of pulsed counter-infiltration off-line at dead angle.
Technical scheme of the present invention is achieved in that
An off-line cleaning device for reverse osmosis membrane, comprises and cleans water tank, pneumatic diaphragm pump, accurate filter and pressure vessel for reverse osmosis, the delivery port of described cleaning water tank is connected with the entrance of described accurate filter through described pneumatic diaphragm pump; Wherein one end of the outlet of described accurate filter and described pressure vessel for reverse osmosis is provided with forward flushing pipe, the outlet of described accurate filter and the other end of described pressure vessel for reverse osmosis are provided with back flush pipeline, described forward flushing pipe is provided with forward water intaking valve, and described back flush pipeline is provided with reverse water intaking valve; Between described pneumatic diaphragm pump and described cleaning water tank, be provided with lesser circulation, one end of described lesser circulation is connected with the water inlet of described cleaning water tank, and the other end is connected with described pneumatic diaphragm delivery side of pump; The product mouth of a river of described pressure vessel for reverse osmosis is connected with the water inlet multiparity waterpipe of described cleaning water tank, and described lesser circulation is provided with and cleans little return valve.
Preferably, between wherein one end of described pressure vessel for reverse osmosis and the water inlet of described cleaning water tank, be provided with back flush outlet conduit, described back flush outlet conduit is provided with reverse cleaning return valve; Between the other end of described pressure vessel for reverse osmosis and the water inlet of described cleaning water tank, be provided with forward and flush out waterpipe, described forward flushes out waterpipe and is provided with and cleans in opposite directions return valve.
Preferably, the port of export that described forward flushes out waterpipe and described back flush outlet conduit communicates.
Preferably, the bottom of described cleaning water tank is further provided with blow-off line with respect to one end of delivery port, and described blow-off line is provided with blowoff valve, between described pneumatic diaphragm pump and described lesser circulation, is provided with check-valves.
Preferably, described pneumatic diaphragm pump is volumetric water pump.
Than prior art, beneficial effect of the present invention is: pulsed off-line cleaning device for reverse osmosis membrane of the present invention, and clean pneumatic diaphragm pump and adopt volumetric water pump, realize the sluicing effect of pulsed; In cleaning process, adopt positive and negative both direction fill cycle to clean, can stimulate from different perspectives pollutant to depart from, increased cleaning dynamics, improved cleaning quality.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of pulsed off-line cleaning device for reverse osmosis membrane of the present invention.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, a kind of pulsed off-line cleaning device for reverse osmosis membrane of the present invention, comprise and clean water tank 2, pneumatic diaphragm pump 4, accurate filter 9 and pressure vessel for reverse osmosis 13, the front and back of pneumatic diaphragm pump 4 are respectively equipped with water intaking valve 3 and the outlet valve 5 flowing out for controlling water, and after outlet valve 5, are provided with check-valves 6.The delivery port that cleans water tank 2 is connected with the entrance of accurate filter 9 through pneumatic diaphragm pump 4; Wherein one end of the outlet of accurate filter 9 and pressure vessel for reverse osmosis 13 is provided with forward flushing pipe, the outlet of accurate filter and the other end of pressure vessel for reverse osmosis are provided with back flush pipeline, forward flushing pipe is provided with forward water intaking valve 11, and back flush pipeline is provided with reverse water intaking valve 16; Between pneumatic diaphragm pump 9 and cleaning water tank 2, be also further provided with lesser circulation, one end of this lesser circulation is connected with the water inlet that cleans water tank 2, and the other end is connected with the outlet of pneumatic diaphragm pump 4, and lesser circulation is provided with and cleans little return valve 7; The product mouth of a river of pressure vessel for reverse osmosis 13 is connected with the water inlet multiparity waterpipe that cleans water tank 2, and water producing pipe road is provided with and produces water side cleaning return valve 14.
In the present invention; accurate filter 9 is for the impurity of filtered water inlet; the reverse osmosis membrane that protection is cleaned; pressure vessel for reverse osmosis is for placing the reverse osmosis membrane that needs cleaning; pneumatic diaphragm pump 4 adopts volumetric water pump; the sluicing effect that produces pulsed, the front and back of accurate filter 9 are respectively equipped with inlet valve 8 and outlet valve 10.On wherein one end of pressure vessel for reverse osmosis 13 and the water inlet of cleaning water tank 2, be provided with back flush outlet conduit, back flush outlet conduit is provided with reverse cleaning return valve 12; Between the other end of pressure vessel for reverse osmosis 13 and the water inlet of cleaning water tank 2, be provided with forward and flush out waterpipe, forward flushes out waterpipe and is provided with forward cleaning return valve 15, the port of export that forward flushes out waterpipe and back flush outlet conduit communicates, and be connected to the water inlet that cleans water tank, recycle saving water resource.
In the present invention, cleaning process, for first configuring cleaning fluid in cleaning water tank 2, is then opened pneumatic diaphragm pump 4 water intaking valves 3, outlet valve 5 and cleans little return valve 7, and starting pneumatic diaphragm pump 4, first carries out the processing of partial circulating homogeneous to cleaning fluid.Then open accurate filter import, 8, outlet valve 10,11 forwards clean water intaking valves, forward cleans return valve 15 and produces water side and clean return valve 14, then closes again and cleans little return valve 7, and the forward of realizing dense water side cleans.Because pneumatic diaphragm pump is volumetric water pump, the current of pulsed can be provided in running, the dirt of counter-infiltration there is is good sluicing, peels off effect, contribute to improve cleaning performance.After forward cleans, then carry out reverse cleaning, can avoid cleaning dead angle, recover fully reverse osmosis membrane.Reverse cleaning of the present invention is not backwash, and backwash refers to from producing water side and washes to influent side, and in the present invention, back flush refers to another direction water inlet from dense water side, and former water inlet direction water outlet, realizes back flush function.Concrete cleaning operation is: open pneumatic diaphragm pump 4 water intaking valves 3, outlet valve 5, accurate filter inlet valve 8, outlet valve 9, reverse cleaning water intaking valve 16, reverse cleaning return valve 12 and product water side are cleaned return valve 14, finally start pneumatic diaphragm pump 4, thereby realize the reverse cleaning of dense water side.During reverse cleaning, obtained equally the pulsed sluicing of pneumatic diaphragm pump, reached good flushing, peel off effect.
In the present invention, the bottom of cleaning water tank 2 is further provided with blow-off line with respect to one end of delivery port, and this blow-off line is provided with blowoff valve 1, and in forward and reverse flushing process, blowoff valve 1 cuts out, when the needs emptying water tank case draining-off sewage of fetching boiling water.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. a pulsed off-line cleaning device for reverse osmosis membrane, comprises and cleans water tank, pneumatic diaphragm pump, accurate filter and pressure vessel for reverse osmosis, and it is characterized in that, the delivery port of described cleaning water tank is connected with the entrance of described accurate filter through described pneumatic diaphragm pump; Wherein one end of the outlet of described accurate filter and described pressure vessel for reverse osmosis is provided with forward flushing pipe, the outlet of described accurate filter and the other end of described pressure vessel for reverse osmosis are provided with back flush pipeline, described forward flushing pipe is provided with forward water intaking valve, and described back flush pipeline is provided with reverse water intaking valve; Between described pneumatic diaphragm pump and described cleaning water tank, be provided with lesser circulation, one end of described lesser circulation is connected with the water inlet of described cleaning water tank, and the other end is connected with described pneumatic diaphragm delivery side of pump; The product mouth of a river of described pressure vessel for reverse osmosis is connected with the water inlet multiparity waterpipe of described cleaning water tank, and described lesser circulation is provided with and cleans little return valve.
2. a kind of pulsed off-line cleaning device for reverse osmosis membrane according to claim 1, it is characterized in that, between wherein one end of described pressure vessel for reverse osmosis and the water inlet of described cleaning water tank, be provided with back flush outlet conduit, described back flush outlet conduit is provided with reverse cleaning return valve; Between the other end of described pressure vessel for reverse osmosis and the water inlet of described cleaning water tank, be provided with forward and flush out waterpipe, described forward flushes out waterpipe and is provided with and cleans in opposite directions return valve.
3. a kind of pulsed off-line cleaning device for reverse osmosis membrane according to claim 2, is characterized in that, the port of export that described forward flushes out waterpipe and described back flush outlet conduit communicates.
4. a kind of pulsed off-line cleaning device for reverse osmosis membrane according to claim 1, it is characterized in that, the bottom of described cleaning water tank is further provided with blow-off line with respect to one end of delivery port, described blow-off line is provided with blowoff valve, between described pneumatic diaphragm pump and described lesser circulation, is provided with check-valves.
5. according to a kind of pulsed off-line cleaning device for reverse osmosis membrane described in claim 1-4 any one, it is characterized in that, described pneumatic diaphragm pump is volumetric water pump.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310534006.2A CN103551041B (en) | 2013-10-31 | 2013-10-31 | A kind of pulsed off-line cleaning device for reverse osmosis membrane |
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| CN201310534006.2A CN103551041B (en) | 2013-10-31 | 2013-10-31 | A kind of pulsed off-line cleaning device for reverse osmosis membrane |
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| CN103551041A true CN103551041A (en) | 2014-02-05 |
| CN103551041B CN103551041B (en) | 2016-04-13 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110302678A (en) * | 2019-08-06 | 2019-10-08 | 山东泰开高压开关有限公司 | A kind of film device cleaning method and system |
| CN110624877A (en) * | 2019-09-23 | 2019-12-31 | 三门核电有限公司 | Maintenance device for maintaining reference electrode in ultra-long-term mode |
| CN110652882A (en) * | 2019-09-25 | 2020-01-07 | 金科环境股份有限公司 | Flushing device and method for multi-section reverse osmosis membrane system |
| CN114768540A (en) * | 2022-05-07 | 2022-07-22 | 镇江市惠灵顿膜业有限公司 | Composite cleaning system for reverse osmosis membrane |
| CN114870636A (en) * | 2022-06-01 | 2022-08-09 | 北京新城禹潞环保科技有限责任公司 | Membrane group ware belt cleaning device |
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| CN203564971U (en) * | 2013-10-31 | 2014-04-30 | 佛山市清淇水处理科技有限公司 | Pulse type reverse osmosis membrane off-line washing device |
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| JPS5515631A (en) * | 1978-07-18 | 1980-02-02 | Nitto Electric Ind Co Ltd | Membrane separator |
| WO2005081627A2 (en) * | 2004-02-26 | 2005-09-09 | Boris Podolsky | Crossflow filtration system and method for membrane fouling prevention |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110302678A (en) * | 2019-08-06 | 2019-10-08 | 山东泰开高压开关有限公司 | A kind of film device cleaning method and system |
| CN110624877A (en) * | 2019-09-23 | 2019-12-31 | 三门核电有限公司 | Maintenance device for maintaining reference electrode in ultra-long-term mode |
| CN110652882A (en) * | 2019-09-25 | 2020-01-07 | 金科环境股份有限公司 | Flushing device and method for multi-section reverse osmosis membrane system |
| CN114768540A (en) * | 2022-05-07 | 2022-07-22 | 镇江市惠灵顿膜业有限公司 | Composite cleaning system for reverse osmosis membrane |
| CN114870636A (en) * | 2022-06-01 | 2022-08-09 | 北京新城禹潞环保科技有限责任公司 | Membrane group ware belt cleaning device |
| CN114870636B (en) * | 2022-06-01 | 2023-02-28 | 北京新城禹潞环保科技有限责任公司 | Method for cleaning membrane module device |
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| CN103551041B (en) | 2016-04-13 |
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Effective date of registration: 20190612 Address after: 528300 No. 29, Wusha Section of Shunfan Highway, Daliang Street, Shunde District, Foshan City, Guangdong Province Patentee after: Guangdong Huizhong Environment Technology Co.,Ltd. Address before: 528303 Room 504, Fifth Floor, 22 Jungqi Avenue Center, Ronggui Street, Shunde District, Foshan City, Guangdong Province Patentee before: FOSHAN QINGQI WATER TREATMENT TECHNOLOGY CO., LTD. |
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Effective date of registration: 20200612 Address after: 528303 room 508, floor 5, No.22, Rongqi Avenue, Ronggui Rongshan neighborhood committee, Shunde District, Foshan City, Guangdong Province Patentee after: FOSHAN QINGQI WATER TREATMENT TECHNOLOGY Co.,Ltd. Address before: 528300, No. five, Sha Wu Road, Daliang street, Shunde District, Guangdong, Foshan, 29 Patentee before: GUANGDONG HUIZHONG ENVIRONMENT SCIENCE AND TECHNOLOGY Co.,Ltd. |
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