CN202224065U - Bidirectional-flow membrane seprating system - Google Patents
Bidirectional-flow membrane seprating system Download PDFInfo
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- CN202224065U CN202224065U CN2011203359395U CN201120335939U CN202224065U CN 202224065 U CN202224065 U CN 202224065U CN 2011203359395 U CN2011203359395 U CN 2011203359395U CN 201120335939 U CN201120335939 U CN 201120335939U CN 202224065 U CN202224065 U CN 202224065U
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Abstract
The utility model discloses a bidirectional-flow membrane separating system. The bidirectional-flow membrane separating system comprises a membrane assembly, wherein the membrane assembly is provided with a material liquid inlet, a concentrated liquid outlet and a dialyzate outlet; the membrane assembly adopts a cross flow filtering way; the concentrated liquid outlet of the membrane assembly is switched into the material liquid inlet of the membrane assembly at a certain time interval, and correspondingly the material liquid inlet of the membrane assembly is switched into the concentrated liquid outlet of the membrane assembly, so that a bidirectional-flow separating passage of the membrane assembly is formed; the flowing direction of material liquid to be processed inside the membrane assembly is parallel to a membrane surface of the membrane assembly; the direction of dialyzate is vertical to the membrane surface; and the time interval for fluid in the membrane assembly to change the direction is once every second to once every complete membrane separating period or membrane cleaning period. The utility model provides the bidirectional-flow membrane separating system which is low in cost, high in efficiency, easy to clean and environment-friendly.
Description
Technical field
The utility model relates to a kind of film separation system, particularly a kind of bidirectional flow film separation system.
Background technology
The overwhelming majority is to use the cross-flow mode to filter in present film separation system, i.e. the parallel face of the flow direction of feed liquid fluid, and dislysate then flows out from the face back side from the direction of vertical face.The cross-current type filter type has been realized while washing away filtering, and effectively controlling diaphragm pollutes at face and piles up, and the flux of film and filter efficiency obtain stablizing to a certain degree.But this cross-flow passes direction has only a flow direction, behind one section filtration time; Under the certain cross-flow flow velocity of film system maintenance; Pollutant the accumulation on the face and be combined in how much with mechanics on slowly obtained balance, on face,, influenced the strainability of film with regard to the durable stable pollution layer of heap; At this time can only use the method for Chemical cleaning to remove pollutant usually, make the performance of membrane component be able to recover.The mode of this unidirectional cross-flow has following drawback:
1, Chemical cleaning Once you begin, film device just must quit work, and the effective storage life that this has just compressed film device has influenced production;
2, carrying out Chemical cleaning must chemical agent consumption, will increase the burden of environmental protection and environment, and Chemical cleaning also need consume certain power and water simultaneously, increases operation manual work etc., has increased cost;
When 3, carrying out Chemical cleaning, also because receive the corrosion of chemical agent, the film core will shorten service life, and this will increase the membrane component renewal cost, increases waste discharge;
4, the cleaning way of one-way flow also is unfavorable for the carrying out that membrane component cleans; Particularly local the obstruction takes place in membrane component; When perhaps there was the dead angle on the fluid design in membrane component, cleaning fluid can not effectively be washed into pollutant, and the physics cleaning performance is poor; Chemical agent is also insufficient with contacting with mass exchange of film pollution simultaneously, cleans not exclusively.
The utility model content
To the deficiency of prior art, the utility model provides the bidirectional flow film system that a kind of cost is low, efficient is high, cleaning is prone to.
For reaching this purpose, the utility model is realized through following technical scheme:
The bidirectional flow film separation system; Comprise membrane module; It has a liquor inlet, dope outlet and dislysate discharging opening, and wherein, described membrane module adopts the cross-flow filtration mode; The dope of this membrane module outlet certain interval of time switches to the liquor inlet of membrane module, thereby the liquor inlet of corresponding membrane module switches to double fluid that the dope outlet of membrane module forms membrane module simultaneously to separate paths.
Further; The flow direction of pending feed liquid is parallel with the face of membrane module in the described membrane module; The direction of dislysate is vertical with face, and the time interval that the membrane component inner fluid changes direction is to switch for 1 second once to a complete film to separate or the film cleaning frequency switches once.
Further, be provided with the valve of the parallel connection of parallelly connected pipeline and the circulation of control pipeline between described membrane module and the feed liquid input, feed liquid can alternately get into the liquor inlet or the dope outlet of membrane module through the pipeline of parallel connection; Parallel connection two valves that membrane module also is provided with parallel pipeline with the dope output and cooperates, the dope that membrane module is discharged can alternately discharge or enter into circulating tank through the pipeline of parallel connection.
Further, be sequentially with pump and the 3rd valve on the pipeline of described feed liquid input and then be connected to the liquor inlet of membrane module, the output channel of membrane module dope outlet is provided with first valve, forms the film separate paths of a direction of membrane module.
Further, be sequentially with the pump and second valve on the pipeline of described feed liquid input and then be connected to the dope outlet of membrane module, the output channel of membrane module liquor inlet is provided with the 4th valve, forms the film separate paths of another direction of membrane module.
Through technique scheme, its beneficial effect is:
A, when film device is worked; Change the flow direction of the fluid on membrane component surface; Can effectively change pollutant the accumulation on the face and be combined in how much with mechanics on balance; Accumulation and the pollution level of pollutant on face reduced greatly, make membrane component filter efficiency and effect be able in time prolong, effectively prolong the working time of film system;
B, through switching the fluid flow direction of membrane component, can effectively remove membrane component local clogging takes place, reduce because of the membrane component runner blocks the phenomenon of scrapping and take place, practice thrift the membrane component purchase cost;
C, when film system small throughput, the switch fluids flow direction can be realized cleaning physically, avoids the interpolation of chemical agent, can effectively prolong the production time of film device;
When D, membrane component cleaning, changing flow direction can improve physics souring and the chemical agent cleaning performance in the membrane cleaning process effectively;
E. the flow-reversal of film system is simple in operation, and flowing to conversion only needs the switch several valves to realize.
Description of drawings
Fig. 1 is existing film separation system FB(flow block).
Fig. 2 is the utility model FB(flow block).
Label declaration: 1, first valve, 2, second valve, the 3, the 3rd valve, the 4, the 4th valve, 5, pump, 6, membrane module, 61, liquor inlet, 62, the dope outlet, 63, the dislysate discharging opening, 7, circulating tank.
The specific embodiment
Combine the accompanying drawing and the specific embodiment that the utility model is explained further details at present:
As depicted in figs. 1 and 2; The bidirectional flow film separation system comprises membrane module 6, and it has a liquor inlet 61, dope outlet 62 and dislysate discharging opening 63; Wherein, Described membrane module 6 adopts the cross-flow filtration modes, and the dope of this membrane module 6 exports the liquor inlet 61 that 62 certain interval of times switch to membrane module 6, thereby the liquor inlet 61 of corresponding membrane module 6 switches to double fluid that the dope outlet 62 of membrane module 6 forms membrane modules 6 simultaneously to separate paths.The flow direction of pending feed liquid is parallel with the face of membrane module 6 in the described film group, and the direction of dislysate is vertical with face, and the time interval that the membrane component inner fluid changes direction is to switch for 1 second once to a complete film to separate or the film cleaning frequency switches once.Be provided with the valve of the parallel connection of parallelly connected pipeline and the circulation of control pipeline between described membrane module 6 and the feed liquid input, feed liquid can alternately get into the liquor inlet 61 or the dope outlet 62 of membrane module 6 through the pipeline of parallel connection; Parallel connection two valves that membrane module 6 also is provided with parallel pipeline with the dope output and cooperates, the dope that membrane module 6 is discharged can alternately discharge or enter into circulating tank 7 through the pipeline of parallel connection.Be sequentially with pump 5 and the 3rd valve 3 on the pipeline of described feed liquid input and then be connected to the liquor inlet 61 of membrane module 6, the output channel of membrane module 6 dopes outlet 62 is provided with first valve 1, forms the film separate paths of a direction of membrane module.Be sequentially with the pump 5 and second valve 2 on the pipeline of described feed liquid input and then be connected to the dope outlet of membrane module 6, the output channel of membrane module 6 liquor inlet 61 is provided with the 4th valve 4, forms the film separate paths of membrane module 6 another directions.
During the utility model work:
1, feed liquid is quickened through the 3rd valve 3 through pump 5, gets into membrane module 6 from liquor inlet 61 then, and a part of feed liquid is filtered the back and discharged from dislysate discharging opening 63; Another part feed liquid is discharged through dope outlet 62, gets into circulating tank 7 from first valve 1, and the feed liquid in the circulating tank 7 can get into circulating filtration in the pump 5 once more, and at this moment, second valve 2 and the 4th valve 4 are closed;
2, feed liquid is quickened through second valve 2 through pump 5, gets into membrane module 6 from dope outlet 62 then, and a part of feed liquid is filtered the back and discharged from dislysate discharging opening 63; Another part feed liquid is discharged through liquor inlet 61, gets into circulating tank 7 from the 4th valve 4, and the feed liquid in the circulating tank 7 can get into circulating filtration in the pump 5 once more, and at this moment, the 3rd valve 3 and first valve 1 are closed.
In the said process, the flow direction of membrane component fluid has two in the film system, and promptly within a certain period of time, fluid is from a termination charging of membrane component, and concentrate comes out from another termination; In the next time, fluid is turned flow direction, and the termination charging that originally went out concentrate from membrane component goes out concentrate from the termination of the original charging of membrane component.Flowing to of membrane component is not limited in the separation process of film processing material or at membrane cleaning process switching time.Membrane component is to switch for 1 second once to a complete cycle switching of walking to expect the blooming cleaning once in the time interval that the separation process fluid changes direction.It is to switch for 1 second once to a complete cleaning frequency switching once that membrane component changes the direction time interval at the cleaning process fluid.
In order to save raw material; Pipeline that dope outlet 62 and second valve is 2 and dope export the pipeline of 1 on 62 and first valve can partial common; Same, what the pipeline that pipeline that liquor inlet 61 and the 3rd valve are 3 and liquor inlet 61 and the 4th valve are 4 can be partly is public.Rest on face in order to reduce pollutant, dope outlet 62 and the liquor inlet 61 that cooperates with it can be many groups, and its position also can be placed to correct position.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; But the those skilled in the art should be understood that; In the spirit and scope of the utility model that does not break away from appended claims and limited; Can make various variations to the utility model in form with on the details, be the protection domain of the utility model.
Claims (2)
1. bidirectional flow film separation system; Comprise membrane module; It has a liquor inlet, dope outlet and dislysate discharging opening, it is characterized in that: described membrane module adopts the cross-flow filtration mode, and the dope outlet certain interval of time of this membrane module switches to the liquor inlet of membrane module; The liquor inlet of corresponding membrane module switches to the dope outlet of membrane module simultaneously, thereby the double fluid of formation membrane module is to separate paths.
2. bidirectional flow film separation system according to claim 1; It is characterized in that: the flow direction of pending feed liquid is parallel with the face of membrane module in the described film group; The direction of dislysate is vertical with face, and the time interval that the membrane component inner fluid changes direction is to switch for 1 second once to a complete film to separate or the film cleaning frequency switches once.
3. bidirectional flow film separation system according to claim 1; It is characterized in that: be provided with the parallelly connected valve of parallelly connected pipeline and the circulation of control pipeline between described membrane module and the feed liquid input, feed liquid can alternately get into the liquor inlet or the dope outlet of membrane module through parallel pipeline; Membrane module also is provided with parallel pipeline with the dope output and the valve of the parallel connection that cooperates, and the dope that membrane module is discharged can alternately discharge or enter into circulating tank through the pipeline of parallel connection.
4. like the said bidirectional flow film separation system of claim 3; It is characterized in that: be sequentially with pump and the 3rd valve on the pipeline of described feed liquid input and then be connected to the liquor inlet of membrane module; The output channel of membrane module dope outlet is provided with first valve, forms the film separate paths of a direction of membrane module.
5. like the said bidirectional flow film separation system of claim 3; It is characterized in that: be sequentially with the pump and second valve on the pipeline of described feed liquid input and then be connected to the dope outlet of membrane module; The output channel of membrane module liquor inlet is provided with the 4th valve, forms the film separate paths of another direction of membrane module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203359395U CN202224065U (en) | 2011-09-08 | 2011-09-08 | Bidirectional-flow membrane seprating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203359395U CN202224065U (en) | 2011-09-08 | 2011-09-08 | Bidirectional-flow membrane seprating system |
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| Publication Number | Publication Date |
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| CN202224065U true CN202224065U (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203359395U Expired - Fee Related CN202224065U (en) | 2011-09-08 | 2011-09-08 | Bidirectional-flow membrane seprating system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752173A (en) * | 2014-01-22 | 2014-04-30 | 清华大学 | Frequent flow direction switching type membrane distillation system |
| 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 |
| CN108854546A (en) * | 2017-05-09 | 2018-11-23 | 上海澄沥环保科技有限公司 | A kind of hyperfiltration treatment technology |
| CN109415669A (en) * | 2016-07-19 | 2019-03-01 | 自动化合作关系（剑桥）有限公司 | Reversible fluid filter system |
| CN110876895A (en) * | 2019-11-25 | 2020-03-13 | 合肥信达膜科技有限公司 | Tubular membrane equipment for glutamic acid production |
-
2011
- 2011-09-08 CN CN2011203359395U patent/CN202224065U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752173A (en) * | 2014-01-22 | 2014-04-30 | 清华大学 | Frequent flow direction switching type membrane distillation system |
| CN109415669A (en) * | 2016-07-19 | 2019-03-01 | 自动化合作关系（剑桥）有限公司 | Reversible fluid filter system |
| 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 |
| CN108854546A (en) * | 2017-05-09 | 2018-11-23 | 上海澄沥环保科技有限公司 | A kind of hyperfiltration treatment technology |
| CN110876895A (en) * | 2019-11-25 | 2020-03-13 | 合肥信达膜科技有限公司 | Tubular membrane equipment for glutamic acid production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xiamen Zhengcheng Membrane Cleaning Technology Co.,Ltd. Assignor: Wu Zhangfeng Contract record no.: 2012350000082 Denomination of utility model: Bidirectional-flow membrane seprating system Granted publication date: 20120523 License type: Exclusive License Record date: 20120817 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20170908 |