CN202237816U - Efficient self-cleaning membrane separation and purification device - Google Patents

Efficient self-cleaning membrane separation and purification device Download PDF

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Publication number
CN202237816U
CN202237816U CN2011203003766U CN201120300376U CN202237816U CN 202237816 U CN202237816 U CN 202237816U CN 2011203003766 U CN2011203003766 U CN 2011203003766U CN 201120300376 U CN201120300376 U CN 201120300376U CN 202237816 U CN202237816 U CN 202237816U
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China
Prior art keywords
pipe
valve
dope
membrane module
water
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Expired - Fee Related
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CN2011203003766U
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Chinese (zh)
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王建刚
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ZHENGZHOU YINKER TECHNOLOGY Co Ltd
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ZHENGZHOU YINKER TECHNOLOGY Co Ltd
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Abstract

The utility model discloses an efficient self-cleaning membrane separation and purification device, which comprises a feeding tank (1), a circulating pump (4), a feeding pipe (5), a water inlet pipe (12), a swirler (15), a membrane component (2) and a clean water tank (3). A feeding valve (9) is arranged on the feeding pipe (5), a water inlet valve (10) is arranged on the water inlet pipe (12), a concentrated liquid delivery pipe (6) is arranged between an outlet of the membrane component (2) and the feeding pipe (5), a concentrated water valve (11) is arranged on the concentrated liquid delivery pipe (6), a concentrated liquid regulating pipe (17) is connected onto the concentrated liquid delivery pipe (6), a manual pressure regulating valve (16) is arranged on the concentrated liquid regulating pipe (17), and a blow-off pipe (8) is connected onto a water outlet of the swirler (15). The efficient self-cleaning membrane separation and purification device can achieve the effect of 'timed blow-off', and pollutants blocking a membrane pipe are timely discharged out of a system, and the membrane component is kept in fine operating state for a long time.

Description

Efficient self-cleaning film separating purifying device
Technical field
The utility model belongs to the concentrating and separating and the sewage purification field of high accuracy filter membrane (comprising micro-filtration, ultrafiltration, nanofiltration and reverse osmosis membrane) material, is specifically related to a kind of efficient self-cleaning film separating purifying device.
Background technology
At present, in water treatment and membrane separation technique field, the popularity rate of high accuracy filter membrane is increasingly high, and the film pipe plug plug problem of bringing is simultaneously also given and used the enterprise of membrane module to cause a lot of inconvenience.In the normal use of film, along with the continuous accumulation of pollutant in film inner surface and fenestra that membrane module is held back, the water flux and the separating power of film descend gradually, at this moment need carry out necessary backwash to film.
At present the high accuracy filter membrane is cleaned, generally with square impact or two kinds of methods of malleation backwash, clear water forms enough pressure on the face that needs clean; Just can reach the effect of cleaning, but when cleaning in order to last method, clarified water pump is squeezed into the clear water of membrane module; The pressure loss during through film excessive (loss reaches 90%); Do not reach predetermined cleaning performance, membrane flux is returned to about 30%, and the film pipe range time pollutes; Can cause the permanent throughput loss of part of film, influence the service life of film.
Along with more and more enterprises is used membrane module processing waste water and the concentrating and separating of carrying out material; Market is also increasingly high to the industrial requirement of film device, and existing membrane module is owing to defectives such as cycle of operation weak point needs frequent Chemical cleaning, and are difficult in maintenance; Can not satisfy the instructions for use of enterprise; It is high that market presses for a kind of automaticity, stable and reliable operation, the film separating purifying device of easy maintenance.
The utility model content
The utility model is in order to solve weak point of the prior art; The efficient self-cleaning film separating purifying device of problems such as a kind of utilization " negative pressure backwash technology " solution easy dirt that existing membrane module in use runs into is stifled, cleaning difficulty, the film cleaning performance is poor, membrane lifetime is influenced, power consumption is high, cleaning process is loaded down with trivial details is provided; The membrane module of the utility model can be for a long time stable carry out material concentrating and separating or water treatment, possess the regularly self-cleaning ability of blowdown simultaneously.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: efficient self-cleaning film separating purifying device comprises feeder channel 1, circulating pump 4, cyclone 15, membrane module 2 and Rinsing Area 3; The outlet of feeder channel 1 is connected through feeder sleeve 5 with the import of circulating pump 4; The outlet of circulating pump 4 links to each other with the water inlet of cyclone 15, and the delivery port of cyclone 15 is connected through water inlet pipe 12 with the import of membrane module 2, and the import and export of membrane module 2 are connected through penetrating fluid carrier pipe 7 with Rinsing Area 3; Said feeder sleeve 5 is provided with inlet valve 9; Water inlet pipe 12 is provided with water intaking valve 10, is provided with dope carrier pipe 6 between the outlet of said membrane module 2 and the feeder sleeve 5, and the junction of dope carrier pipe 6 and feeder sleeve 5 is between inlet valve 9 and circulating pump 4; Dope carrier pipe 6 is provided with dense water valve 11; Be connected with dope adjustable pipe 17 on the dope carrier pipe 6, two junctions of dope adjustable pipe 17 and dope carrier pipe 6 are positioned at the two ends of dense water valve 11, and dope adjustable pipe 17 is provided with manual pressure regulating valve 16; Be connected with blow-off pipe 8 on the discharge outlet of cyclone 15, blow-off pipe 8 is provided with draining valve 14.
Said penetrating fluid carrier pipe 7 is provided with purge valve 13.
Adopt technique scheme, cleaning way is that negative pressure (pressure during backwash in the membrane module is lower than atmosphere) is cleaned, and membrane module is high-precision film (micro-filtration, ultrafiltration, nanofiltration and a reverse osmosis membrane), and its method of operation is mainly the cross-flow mode.Compare the membrane technology equipment that has other now; Can handle the material and the sewage of various concentration through operation, the backwash time of controlling diaphragm assembly, can the long-time steady and continuous of support equipment move; Investment, operating cost is low; Easy maintenance can be widely used in the concentrating and separating and the sewage purification field of material, also can be used for the dead-end filtration of low concentration material (like clear water).The utility model can reach " regularly blowdown ", and the pollutant that stops up the film pipe is in time discharged system, makes membrane module keep good working order for a long time.The utlity model has special pipeline structure, do not need extra increase backwash intake pump, only a circulating pump just can be accomplished the formation of the negative pressure when cleaning, thereby has reduced the equipment input.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The specific embodiment
As shown in Figure 1, the efficient self-cleaning film separating purifying device of the utility model comprises feeder channel 1, circulating pump 4, cyclone 15, membrane module 2 and Rinsing Area 3; The outlet of feeder channel 1 is connected through feeder sleeve 5 with the import of circulating pump 4; The outlet of circulating pump 4 links to each other with the water inlet of cyclone 15, and the delivery port of cyclone 15 is connected through water inlet pipe 12 with the import of membrane module 2, and the import and export of membrane module 2 are connected through penetrating fluid carrier pipe 7 with Rinsing Area 3; Said feeder sleeve 5 is provided with inlet valve 9; Water inlet pipe 12 is provided with water intaking valve 10, is provided with dope carrier pipe 6 between the outlet of membrane module 2 and the feeder sleeve 5, and the junction of dope carrier pipe 6 and feeder sleeve 5 is between inlet valve 9 and circulating pump 4; Dope carrier pipe 6 is provided with dense water valve 11; Be connected with dope adjustable pipe 17 on the dope carrier pipe 6, two junctions of dope adjustable pipe 17 and dope carrier pipe 6 are positioned at the two ends of dense water valve 11, and dope adjustable pipe 17 is provided with manual pressure regulating valve 16; Be connected with blow-off pipe 8 on the discharge outlet of cyclone, blow-off pipe 8 is provided with draining valve 14.
Below be the course of work of the utility model:
Membrane module 2 adopts the cross-flow working method, and during operate as normal, draining valve 14 cuts out; Manual pressure regulating valve 16 parts are opened, and start circulating pump 4, and former water is passed through feeder sleeve 5, got in the cyclones 15 through circulating pump 4 by feeder channel 1; Get in the membrane module 2 through water inlet pipe 12, the clear water that filters out through membrane module 2 flows into Rinsing Area 3 from penetrating fluid carrier pipe 7 again, and condensed water is then passed through pressure regulator valve 16 along dope adjustable pipe 17 again; Import in the feeder sleeve 5, carry out next one circulation.Behind the operation certain hour; Close inlet valve 9 and water intaking valve 10, open dense water valve 11 and draining valve 14, membrane module 2 is carried out the negative pressure backwash; Clear water in the Rinsing Area 3 is recycled pump 4 through penetrating fluid carrier pipe 7; Suck membrane module 2, get into cyclone 15 through dope carrier pipe 6 and dope adjustable pipe 17 then, discharge through blow-off pipe 8 and draining valve 14.Membrane module 2 is a milipore filter, and in backwash process, the pressure in the membrane module 2 descends; Form " negative pressure ", under the effect of inside and outside differential pressure, clear water is reverse to be extravasated in the membrane module 2 from membrane module 2; Negative pressure acts directly on the face that needs to clean; Under the double action of clear water and negative pressure, impurity such as the big molecule solute of obstruction fenestra, bacterium secretion are taken out of fenestra, and destroy gel layer even the inorganic salt crust layer that adheres at the film pipe internal surface like this; Thereby recover the flux of film, guarantee that the film system keeps disposal ability efficiently.
The utility model in use; Select working time and backwash time according to the concentration of feed liquid, different with existing film cross-flow isolation technics is: it is its working flux that existing cross-flow isolation technics is selected at the flux that film formed behind the stable cake layer, and the working flux of the utility model is selected at the flux under the film surface cleaning state; Thereby the flux of the utility model will be much larger than the former (wanting high by about 30%) usually; Because the effect that controlling diaphragm is clean is excellent, can significantly improve the system works pressure of film, reduce the film surface velocity of fluid; Significantly improve the flux of film, thereby reach purpose of energy saving.

Claims (2)

1. efficient self-cleaning film separating purifying device; Comprise feeder channel (1), circulating pump (4), cyclone (15), membrane module (2) and Rinsing Area (3); The outlet of feeder channel (1) is connected through feeder sleeve (5) with the import of circulating pump (4); The outlet of circulating pump (4) links to each other with the water inlet of cyclone (15), and the delivery port of cyclone (15) is connected through water inlet pipe (12) with the import of membrane module (2), and the import and export of membrane module (2) are connected through penetrating fluid carrier pipe (7) with Rinsing Area (3); It is characterized in that: said feeder sleeve (5) is provided with inlet valve (9); Water inlet pipe (12) is provided with water intaking valve (10), is provided with dope carrier pipe (6) between the outlet of said membrane module (2) and the feeder sleeve (5), and the junction of dope carrier pipe (6) and feeder sleeve (5) is positioned between inlet valve (9) and the circulating pump (4); Dope carrier pipe (6) is provided with dense water valve (11); Be connected with dope adjustable pipe (17) on the dope carrier pipe (6), two junctions of dope adjustable pipe (17) and dope carrier pipe (6) are positioned at the two ends of dense water valve (11), and dope adjustable pipe (17) is provided with manual pressure regulating valve (16); Be connected with blow-off pipe (8) on the discharge outlet of cyclone (15), blow-off pipe (8) is provided with draining valve (14).
2. efficient self-cleaning film separating purifying device according to claim 1, it is characterized in that: said penetrating fluid carrier pipe (7) is provided with purge valve (13).
CN2011203003766U 2011-08-18 2011-08-18 Efficient self-cleaning membrane separation and purification device Expired - Fee Related CN202237816U (en)

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Application Number Priority Date Filing Date Title
CN2011203003766U CN202237816U (en) 2011-08-18 2011-08-18 Efficient self-cleaning membrane separation and purification device

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Application Number Priority Date Filing Date Title
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103058402A (en) * 2012-11-19 2013-04-24 浙江省海洋开发研究院 Oily waste water processing device and method
CN104150629A (en) * 2014-08-20 2014-11-19 郑州银科尔科技有限公司 Membrane filtration device and application method thereof
CN104150630A (en) * 2014-08-20 2014-11-19 郑州银科尔科技有限公司 Heavy metal capture device
CN104607049A (en) * 2013-11-04 2015-05-13 中国科学院大连化学物理研究所 Negative pressure type washing apparatus of inner membrane type metal palladium composite membrane porous carrier
CN104773920A (en) * 2015-04-14 2015-07-15 江苏博大环保股份有限公司 Self-cleaning type tubular film device for treating wastewater with high salt content and high sludge concentration
CN108786474A (en) * 2017-04-26 2018-11-13 哈尔滨工业大学深圳研究生院 A kind of water treatment system
CN110080843A (en) * 2019-05-28 2019-08-02 西安热工研究院有限公司 A kind of supercritical carbon dioxide Brayton cycle working medium purification system and method

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103058402A (en) * 2012-11-19 2013-04-24 浙江省海洋开发研究院 Oily waste water processing device and method
CN104607049A (en) * 2013-11-04 2015-05-13 中国科学院大连化学物理研究所 Negative pressure type washing apparatus of inner membrane type metal palladium composite membrane porous carrier
CN104607049B (en) * 2013-11-04 2017-10-13 中国科学院大连化学物理研究所 A kind of negative pressure wash mill of interior membranous type metal palladium-based composite membrane porous carrier
CN104150629A (en) * 2014-08-20 2014-11-19 郑州银科尔科技有限公司 Membrane filtration device and application method thereof
CN104150630A (en) * 2014-08-20 2014-11-19 郑州银科尔科技有限公司 Heavy metal capture device
CN104150630B (en) * 2014-08-20 2016-04-06 郑州银科尔科技有限公司 A kind of heavy metal chelating machine
CN104773920A (en) * 2015-04-14 2015-07-15 江苏博大环保股份有限公司 Self-cleaning type tubular film device for treating wastewater with high salt content and high sludge concentration
CN104773920B (en) * 2015-04-14 2017-01-04 江苏博大环保股份有限公司 A kind of self-cleaning type periosteum device processing high saliferous high sludge concentration waste water
CN108786474A (en) * 2017-04-26 2018-11-13 哈尔滨工业大学深圳研究生院 A kind of water treatment system
CN108786474B (en) * 2017-04-26 2021-07-30 哈尔滨工业大学深圳研究生院 Water treatment system
CN110080843A (en) * 2019-05-28 2019-08-02 西安热工研究院有限公司 A kind of supercritical carbon dioxide Brayton cycle working medium purification system and method
CN110080843B (en) * 2019-05-28 2023-11-10 西安热工研究院有限公司 Supercritical carbon dioxide Brayton cycle working medium purification system and method

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Granted publication date: 20120530

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