CN101385946B - Membrane separation device - Google Patents
Membrane separation device Download PDFInfo
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- CN101385946B CN101385946B CN2008100713624A CN200810071362A CN101385946B CN 101385946 B CN101385946 B CN 101385946B CN 2008100713624 A CN2008100713624 A CN 2008100713624A CN 200810071362 A CN200810071362 A CN 200810071362A CN 101385946 B CN101385946 B CN 101385946B
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Abstract
The invention relates to a membrane separation device. The side walls of the two ends of the device are all provided with through water holes. The through water holes are connected with each other by a first pipeline and a second pipeline which are in parallel connection; the first pipeline is internally provided with a first valve and a second valve in series; the second pipeline is internally provided with a third valve and a fourth valve; a third pipeline is connected between the first valve and the second valve of the first pipeline; a fourth pipeline is connected between the third valve and the fourth valve of the second pipeline. The third pipeline and the fourth pipeline are together connected to a raw water inlet; a first water pump which pressures the confluction of the third pipeline and the fourth pipeline is arranged in the fourth pipeline; the raw water inlet is provided with a second water pump which pressures the fourth pipeline. The second pipeline is also provided with a concentrated water outlet between the third valve and the fourth valve. The device has the advantages of energy conservation, self-cleaning and membrane elements have high service efficiency.
Description
Technical field
The present invention relates to water treatment technology, specifically be meant a kind of membrane separation device.
Background technology
Film is to have the Selective Separation materials with function, utilizes the Selective Separation of film to realize that separation, purifying, the concentrated process of the different component of feed liquid are called film and separate.It is that with the different of traditional filtering film can separate in molecular range, and this process is a kind of physical process, the variation of phase need not take place and add auxiliary agent.The aperture of film is generally micron order, according to its aperture difference of (or being called molecular cut off), film can be divided into micro-filtration membrane, milipore filter, NF membrane and reverse osmosis membrane, difference according to material, can be divided into inoranic membrane and organic film, inoranic membrane mainly also has only other film of micro-filtration level, mainly is ceramic membrane and metal film.Organic film is made by macromolecular material, as cellulose acetate, aromatic polyamide, polyether sulfone, poly-fluoropolymer polymer or the like.
Membrane separation technique is to occur in 20 beginnings of the century, a separation technology that emerges rapidly after the sixties in 20th century.Membrane separation technique is owing to have separations, concentrated, purifying and refining function concurrently, efficient, energy-saving and environmental protection are arranged again, molecular level filters and filter process is simple, be easy to feature such as control, therefore, food, medicine, biology, environmental protection, chemical industry, metallurgy, the energy, oil, water treatment, electronics, field such as bionical have been widely used at present, produce huge economic benefit and social benefit, become one of most important means in the current separation science.
Along with membrane separation technique is used widely, it is more and more obvious that membrane separation technique product defective in actual applications also embodies, particularly application of membrane separation technology is in middle water reuse and feed separation field, as: system easily causes concentration polarization, causes membrane component to be subjected to scaling fouling, cleaning frequency height easily; Traditional application design makes the cleaning difficulty of system, and efficient is low, cleans not thoroughly, and it is poor that the product water-based of membrane component can be recovered; Traditional design makes the use of same film pipe front and back membrane component differ, and the service efficiency of membrane component is low.Though at present each big membrane component manufacturer of the whole world is by selecting various membrane materials for use, optimizing the membrane component structure Design, various membrane components such as various wide runners, electroneutral, low pressure, antipollution have been developed, but the drawback that the membrane separation technique product is embodied in actual applications has not been that the membrane component of its core can change.
Summary of the invention
The invention provides a kind of membrane separation device, its main purpose is to overcome the membrane component that existing membrane separation technique product produces in actual applications and is subjected to scaling fouling, cleaning frequency height easily, cleans difficulty and shortcoming such as efficient is low, clean thoroughly, the product water-based of membrane component can be recovered poor, same film pipe front and back membrane component use differs, the service efficiency of membrane component is low.
The present invention adopts following technical scheme: membrane separation device, comprise a pressure vessel, be provided with membrane component in this pressure vessel, the two ends sidewall of this pressure vessel is equipped with outlet pass, wherein also be provided with the product water out that is connected with the membrane component center on the end face of an end, pass through first pipeline between the outlet pass at described pressure vessel two ends, second pipeline connects, this first pipeline, second pipeline becomes state in parallel, string is provided with first valve in this first pipeline, second valve, string is provided with the 3rd valve in this second pipeline, the 4th valve, this first pipeline is in its first valve, position between second valve is connected with the 3rd pipeline, this second pipeline is in its 3rd valve, position between the 4th valve is connected with the 4th pipeline, the 3rd pipeline and the 4th pipeline are connected to an original water inlet jointly, be provided with first water pump in described the 4th pipeline to the 3rd pipeline and the pressurization of the 4th pipeline intersection, described original water inlet is provided with second water pump to the pressurization of the 4th pipeline, and described second pipeline is in its 3rd valve, also be provided with dense water out between the 4th valve.
The aforementioned films separator, its the 4th pipeline is provided with the washing import in this first pump intake, one side, this washing import is provided with the 5th valve, described the 4th pipeline is provided with one the 6th valve by an end of second pipeline, this second pipeline is provided with the washing outlet between its 3rd valve, the 4th valve, this washing outlet is provided with the 7th valve.
The aforementioned films separator, the outlet pass at its pressure vessel two ends is respectively equipped with that medicine is washed import and medicine washes out mouth, this medicine is washed import and medicine and is washed out mouth and be respectively equipped with the 8th valve and the 9th valve, described pressure vessel is provided with and also is provided with time medicine outlet that is connected with the membrane component center on the end face that produces water out one end, described time medicine outlet is provided with the tenth valve, and described product water out is provided with the 11 valve.
Aforementioned films separator, its membrane component adopt 1-7 core membrane component cascaded structure.
By above-mentioned description to structure of the present invention as can be known, compare with prior art, the present invention has following advantage: one, realize online supercharging reflux course by first water pump, that is, dense water is discharged from delivery port, part discharging, a part is by the first water pump supercharging, circulation enters water inlet, because the dense water that refluxes has higher overbottom pressure, by making pressure be increased to the required pressure of water inlet after this first water pump pressurization, realize energy-saving effect, refluxing to compare with this online supercharging of nothing can save energy 20-40%; Two, the online supercharging of above-mentioned dense water refluxes and can improve the tangential flow velocity of water in the membrane component, and the pollutant in the former water is gone out with concentrated water drainage, can produce the concentration polarization layer that turbulent flow destroys the film surface, and balance is advanced dense water side osmotic pressure; Three, this membrane separation device can two-wayly be intake, and solves the film internal contamination and cleans the problem of recovering difficulty, reduces system's medicine and washes dosage, solves the problem that the service efficiency of membrane component differs before and after the same film pipe, can improve the service efficiency of membrane component; Four, the short flow scheme design of the single hop that adopts 1-7 core membrane component to connect, but the efficient that the increment rational faculty is washed away, the efficient of increase Chemical cleaning is simplified the purging system design.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
The specific embodiment of the present invention is described with reference to the accompanying drawings.
A kind of membrane separation device with reference to Fig. 1, comprises a pressure vessel 1, is provided with membrane component in this pressure vessel 1, and the structure of pressure vessel 1 internal structure and membrane component is a prior art, does not describe in detail at this.The two ends sidewall of this pressure vessel 1 is respectively equipped with outlet pass 11,12, wherein also is provided with the product water out 32 that is connected with the membrane component center on the end face of an end.When in the outlet pass 11,12 any one during as water inlet, then another can be used as delivery port, and former water is entered by water inlet, and dense water is gone out by delivery port, produces water and goes out by producing water out 32.
The outlet pass 11 at these pressure vessel 1 two ends, pass through first pipeline 21 between 12, second pipeline 22 connects, this first pipeline 21,22 one-tenth states in parallel of second pipeline, string is provided with the first valve V1 in this first pipeline 21, the second valve V2, string is provided with the 3rd valve V3 in this second pipeline 22, the 4th valve V4, this first pipeline 21 is in its first valve V1, position between the second valve V2 is connected with the 3rd pipeline 23, this second pipeline 22 is in its 3rd valve V3, position between the 4th valve V4 is connected with the 4th pipeline 24, the 3rd pipeline 23 and the 4th pipeline 24 are connected to an original water inlet 31 jointly, be provided with the first water pump M1 in the 4th pipeline 24 to the 3rd pipeline 23 and the pressurization of the 4th pipeline 24 intersections, this original water inlet 31 is provided with the 3rd water pump M3 to the pressurization of the 4th pipeline 24 directions successively, the second water pump M2, the 3rd water pump M3, be provided with security personnel's filter F 1, the first water pump M1 between the second water pump M2, the water side of the second water pump M2 is equipped with check valve.Described second pipeline 22 also is provided with dense water out 33 between its 3rd valve V3, the 4th valve V4.
Above-mentioned the 4th pipeline 24 is provided with washing import 51 in this first water pump M1 water inlet one side, this washing import 51 is provided with the 5th valve V5, above-mentioned the 4th pipeline 24 is provided with one the 6th valve V6 by an end of second pipeline 22, this second pipeline 22 is provided with washing outlet 52 between its 3rd valve V3, the 4th valve V4, this washing outlet 52 is provided with the 7th valve V7.
The outlet pass 11,12 at above-mentioned pressure vessel 1 two ends is respectively equipped with medicine and washes import 41 and medicine and wash out mouthfuls 42, this medicine is washed import 41 and medicine and is washed out mouthfuls 42 and be respectively equipped with the 8th valve V8 and the 9th valve V9, described pressure vessel 1 is provided with and also is provided with time medicine outlet 43 that is connected with the membrane component center on the end face that produces water out 32 1 ends, described time medicine outlet 43 is provided with the tenth valve V10, described product water out 32 is provided with the 11 valve V11, and described dense water out 33 is provided with the 12 valve V12.
Above-mentioned membrane component adopts 1-7 core membrane component cascaded structure, and its film pipe is a unistage type, but not the series connection of multistage film pipe.
The course of work of above-mentioned membrane separation device is as follows:
One, the forward water inlet course of work
Open the second valve V2, the 3rd valve V3, the 6th valve V6, the 12 valve V12, the 11 valve V11, close the first valve V1, the 4th valve V4, the 5th valve V5, the 7th valve V7, eight valve V8, the 9th valve V9, the tenth valve V10, and start the 3rd water pump M3, the first water pump M1, the second water pump M2 successively.Former water is entered by original water inlet 31, enters the outlet pass 12 of pressure vessel 1 through the second valve V2 of the 3rd pipeline 23, first pipeline 21.Producing water goes out by producing water out 32.Dense water is gone out by the outlet pass 11 of pressure vessel 1 other end, the dense water of part enters the outlet pass 12 of pressure vessel 1 through the 3rd valve V3, the 6th valve V6, the first water pump M1, the second valve V2, the online supercharging that realizes the dense water of part refluxes, and other has the dense water of part to discharge through the 3rd valve V3, the 12 valve V12.
Two, the course of work of oppositely intaking
Open the first valve V1, the 4th valve V4, the 6th valve V6, the 12 valve V12, the 11 valve V11, close the second valve V2, the 3rd valve V3, the 5th valve V5, the 7th valve V7, the 8th valve V8, the 9th valve V9, the tenth valve V10, and start the 3rd water pump M3, the first water pump M1, the second water pump M2 successively.Former water is entered by original water inlet 31, enters the outlet pass 11 of pressure vessel 1 through the 3rd pipeline 23, the first valve V1.Producing water goes out by producing water out 32.Dense water is gone out by the outlet pass 12 of pressure vessel 1 other end, the dense water of part enters the outlet pass 11 of pressure vessel 1 through the 4th valve V4, the 6th valve V6, the first water pump M1, the first valve V1, the online supercharging that realizes the dense water of part refluxes, and other has the dense water of part to discharge through the 4th valve V4, the 12 valve V12.
Three, water-washing process
Have forward, reverse procedure equally, the water (flow) direction of forward washing is washing import 51, the 5th valve V5, the first water pump M1, the second valve V2, outlet pass 12, outlet pass 11, the 3rd valve V3, the 7th valve V7, washing outlet 52; Oppositely the water (flow) direction of washing is washing import 51, the 5th valve V5, the first water pump M1, the first valve V1, outlet pass 11, outlet pass 12, the 4th valve V4, the 7th valve V7, washing outlet 52.
Four, medicine is washed process
The flow direction that medicine is washed process is washed import 41, the 8th valve V8, outlet pass 12, outlet pass 11, the 9th valve V9, medicine for medicine and is washed out mouthfuls 42, returns medicine and goes out from returning medicine outlet 43 through the tenth valve V10.
Above-mentioned only is the specific embodiment of the present invention, but design concept of the present invention is not limited thereto, and allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should belong to the behavior of invading protection domain of the present invention.
Claims (4)
1. membrane separation device comprises a pressure vessel, is provided with membrane component in this pressure vessel, and the two ends sidewall of this pressure vessel is equipped with outlet pass, wherein also is provided with the product water out that is connected with the membrane component center on the end face of an end, it is characterized in that:
Pass through first pipeline between the outlet pass at described pressure vessel two ends, second pipeline connects, this first pipeline, second pipeline becomes state in parallel, string is provided with first valve in this first pipeline, second valve, string is provided with the 3rd valve in this second pipeline, the 4th valve, this first pipeline is in its first valve, position between second valve is connected with the 3rd pipeline, this second pipeline is in its 3rd valve, position between the 4th valve is connected with the 4th pipeline, the 3rd pipeline and the 4th pipeline are connected to an original water inlet jointly, be provided with first water pump in described the 4th pipeline to the 3rd pipeline and the pressurization of the 4th pipeline intersection, described original water inlet is provided with second water pump to the pressurization of the 4th pipeline, and described second pipeline is in its 3rd valve, also be provided with dense water out between the 4th valve.
2. membrane separation device as claimed in claim 1, it is characterized in that: described the 4th pipeline is provided with the washing import in this first pump intake, one side, this washing import is provided with the 5th valve, described the 4th pipeline is provided with one the 6th valve by an end of second pipeline, this second pipeline is provided with the washing outlet between its 3rd valve, the 4th valve, this washing outlet is provided with the 7th valve.
3. membrane separation device as claimed in claim 1, it is characterized in that: the outlet pass at described pressure vessel two ends is respectively equipped with that medicine is washed import and medicine washes out mouth, this medicine is washed import and medicine and is washed out mouth and be respectively equipped with the 8th valve and the 9th valve, described pressure vessel is provided with and also is provided with time medicine outlet that is connected with the membrane component center on the end face that produces water out one end, described time medicine outlet is provided with the tenth valve, and described product water out is provided with the 11 valve.
4. membrane separation device as claimed in claim 1 is characterized in that: described membrane component adopts 1-7 core membrane component cascaded structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100713624A CN101385946B (en) | 2008-07-04 | 2008-07-04 | Membrane separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100713624A CN101385946B (en) | 2008-07-04 | 2008-07-04 | Membrane separation device |
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| Publication Number | Publication Date |
|---|---|
| CN101385946A CN101385946A (en) | 2009-03-18 |
| CN101385946B true CN101385946B (en) | 2010-10-06 |
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| CN2008100713624A Expired - Fee Related CN101385946B (en) | 2008-07-04 | 2008-07-04 | Membrane separation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103833154B (en) * | 2014-03-25 | 2015-06-10 | 威士邦（厦门）环境科技有限公司 | Acid and alkali resistant and anti-pollution membrane separation equipment |
| CN106774466A (en) * | 2016-12-20 | 2017-05-31 | 江苏新美星液体包装工程技术研究中心有限公司 | A kind of method to flow controller back washing anti-blocking plug |
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| ASS | Succession or assignment of patent right |
Owner name: XIAMEN LVBANG MEMBRANCE TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: WANG JUNCHUAN Effective date: 20090626 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20090626 Address after: Room E402, Taiwan science and technology enterprise incubation center, Xiamen torch hi tech Zone (Xiangan) Industrial Zone, Fujian Province, China: 361000 Applicant after: Xiamen Leebam Membrane Technology Co., Ltd. Address before: Fujian Province, Xiamen torch hi tech Zone (Xiangan) Industrial Zone No. 17 Xiang Yue Road, zip code: 361101 Applicant before: Wang Junchuan |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20101006 Termination date: 20170704 |