CN212024962U - Simple membrane separation device for water treatment - Google Patents
Simple membrane separation device for water treatment Download PDFInfo
- Publication number
- CN212024962U CN212024962U CN202020284417.6U CN202020284417U CN212024962U CN 212024962 U CN212024962 U CN 212024962U CN 202020284417 U CN202020284417 U CN 202020284417U CN 212024962 U CN212024962 U CN 212024962U
- Authority
- CN
- China
- Prior art keywords
- liquid
- tank
- water treatment
- partition plate
- separation device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a simple and easy membrane separation device for water treatment relates to the water treatment field, including waste liquid jar and prefiltration fluid reservoir, set up short baffle and high baffle in the prefiltration fluid reservoir, the bottom of waste liquid jar and prefiltration fluid reservoir bottom intercommunication and communicating pipe between short baffle and high baffle set gradually first valve on the road, low-pressure pump and leading filter, prefiltration fluid reservoir sets gradually high-pressure pump and manometer on the left bottom of short baffle and the inlet intercommunication and communicating pipe of nanofiltration membrane module on the road, the clear solution outlet of nanofiltration membrane module sets up the clear solution flowmeter on the road with the top intercommunication of clear solution reservoir and communicating pipe, the dense solution outlet of nanofiltration membrane module sets up the dense solution flowmeter on the road with the top intercommunication and communicating pipe of dense solution reservoir. The utility model discloses can solve the unable problem of recycling of dissolubility salt in the waste water of enterprise.
Description
Technical Field
The utility model relates to a water treatment field especially relates to a simple and easy membrane separation device for water treatment.
Background
The aperture of the nanofiltration membrane is more than 1nm, generally 1-2 nm, and the nanofiltration membrane is a functional semipermeable membrane which allows solvent molecules or certain low molecular weight solutes or low valence ions to permeate. It is a special and promising separation membrane variety, which is named because the size of the retention substance is about nanometer, the molecular weight of the retention organic substance is about 150-. Is used for removing organic matters and chromaticity of surface water, removing hardness of underground water, partially removing soluble salt, concentrating fruit juice, separating useful substances in medicines, and the like.
The industrial wastewater of enterprises still contains 10 to 30 percent of soluble salt, and if the part of soluble salt is directly discharged, the pollution is generated, and the waste is also caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a simple membrane separation device for water treatment is provided, the problem of the unable recycle of solubility salt in the solution enterprise waste water is solved.
The utility model provides a technical scheme that its technical problem adopted is: a simple membrane separation device for water treatment comprises a waste liquid tank and a pre-filtering liquid tank, wherein a short partition plate and a high partition plate are arranged in the pre-filtering liquid tank, the bottom of the waste liquid tank is communicated with the bottom of the pre-filtering liquid tank between the short partition plate and the high partition plate, a first valve, a low-pressure pump and a pre-filter are sequentially arranged on a communication pipeline, the bottom of the pre-filtering liquid tank on the left side of the short partition plate is communicated with a liquid inlet of a nanofiltration membrane component, a high-pressure pump and a pressure gauge are sequentially arranged on the communication pipeline, a clear liquid outlet of the nanofiltration membrane component is communicated with the top of the clear liquid tank, a clear liquid flowmeter is arranged on the communication pipeline, a concentrated liquid outlet of the nanofiltration membrane component is communicated with the top of the concentrated liquid tank, a concentrated liquid flowmeter is arranged on the communication pipeline, a second valve is arranged at the bottom, the bottom of the prefiltration fluid tank on the right side of the high partition plate is communicated with the top of the feed liquid collecting tank, and an overflow valve is arranged on a communication pipeline.
Further, a concentrated solution valve is arranged on the concentrated solution flowmeter.
Further, a clear liquid valve is arranged on the clear liquid flowmeter.
Further, a liquid discharge pipe is arranged at the bottom of the feed liquid collecting groove, and a fourth valve is arranged on the liquid discharge pipe.
Further, a simple membrane separation device for water treatment still includes the body, set up the backplate on the body, from last first baffle, second baffle and the third baffle of setting gradually down on the backplate, the backplate sets gradually manometer, dense fluid flowmeter and clear liquid flowmeter from a left side to the right side in first baffle top, sets gradually waste liquid jar, prefiltration fluid jar and nanofiltration membrane module from a left side to the right side on the first baffle, sets gradually clear liquid jar, dense liquid jar and leading filter from a left side to the right side on the second baffle, set up the feed liquid collecting vat on the third baffle, the body bottom sets up low-pressure pump and high-pressure pump.
Further, a temperature measuring instrument is also arranged on the back plate.
Further, receive the filter membrane subassembly and include the casing, receive the filter membrane batching cylindric setting inside the casing and its both ends all with casing sealing connection, the casing sets up liquid inlet, top outside and inboard branch and establishes clear liquid outlet and concentrated liquid outlet in the bottom inboard that receives the filter membrane batching drum.
Further, a liquid level meter is arranged on the concentrated solution tank.
Further, a screen is arranged in the prefilter.
The utility model discloses following beneficial effect has:
the utility model discloses can carry out membrane separation to the industrial waste water of enterprise and handle and obtain dense solution and clear solution, can carry out recycle with the dissolubility salt in the industrial waste water through follow-up processing such as distilling to the dense solution, avoid extravagant and pollution, also saved the cost for the enterprise simultaneously.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic structural diagram of a nanofiltration membrane module;
fig. 4 is a sectional view taken along line a-a of fig. 3.
Detailed Description
As shown in fig. 1, 2, 3 and 4, a simple membrane separation device for water treatment comprises a waste liquid tank 21 and a pre-filtration liquid tank 22, wherein a short partition 221 and a high partition 222 are arranged in the pre-filtration liquid tank 22, the bottom of the waste liquid tank 21 is communicated with the bottom of the pre-filtration liquid tank 22 between the short partition 221 and the high partition 222, a first valve 61, a low pressure pump 11 and a pre-filter 33 are sequentially arranged on a communication pipeline, the bottom of the pre-filtration liquid tank 22 on the left side of the short partition 221 is communicated with a liquid inlet 231 of a nanofiltration membrane assembly 23, a high pressure pump 12 and a pressure gauge 52 are sequentially arranged on the communication pipeline, a clear liquid outlet 232 of the nanofiltration membrane assembly 23 is communicated with the top of a clear liquid tank 31, a clear liquid flow meter 54 is arranged on the communication pipeline, a concentrated liquid outlet 233 of the nanofiltration membrane assembly 23 is communicated with the top of a concentrated liquid tank 32, a concentrated liquid flow meter 53 is arranged on the communication, the bottom of the concentrate tank 32 is provided with a third valve 63 and is communicated with the top of the feed liquid collecting tank 41, and the bottom of the prefilter tank 22 on the right side of the high partition plate 222 is communicated with the top of the feed liquid collecting tank 41 and is provided with an overflow valve 65.
The pressure gauge 52 is used for monitoring the waste liquid pressure of the liquid inlet 231 of the nanofiltration membrane module 23.
The concentrate flow meter 53 is used to measure the flow rate of the concentrate.
The clear liquid flow meter 54 is used to measure the flow rate of the clear liquid.
The concentrate flow meter 53 is provided with a concentrate valve 531.
And a clear liquid valve 541 is arranged on the clear liquid flowmeter 54.
The concentrate valve 531 and the clear valve 541 are used to adjust the flow rate of the concentrate and the flow rate of the clear liquid, respectively.
A liquid discharge pipe 411 is arranged at the bottom of the feed liquid collecting tank 41, and a fourth valve 64 is arranged on the liquid discharge pipe 411.
The simple membrane separation device for water treatment further comprises a body 1, a back plate 5 is arranged on the body 1, a first partition plate 2, a second partition plate 3 and a third partition plate 4 are sequentially arranged on the back plate 5 from top to bottom, the back plate 5 is sequentially provided with a pressure gauge 52, a concentrated solution flowmeter 53 and a clear solution flowmeter 54 from left to right above the first partition plate 2, the first partition plate 2 is sequentially provided with a waste solution tank 21, a pre-filtering solution tank 22 and a nanofiltration membrane assembly 23 from left to right, the second partition plate 3 is sequentially provided with a clear solution tank 31, a concentrated solution tank 32 and a pre-filter 33 from left to right, a feed solution 41 is arranged on the third partition plate 4, and a low-pressure pump collecting tank 11 and a high-pressure pump 12 are arranged at the bottom of the body 1.
The back plate 5 is also provided with a temperature measuring instrument 51.
Receive filter membrane assembly 23 and include casing 235, receive filter membrane 234 batching cylindric setting inside casing 235 and its both ends all with casing 235 sealing connection, casing 235 sets up liquid inlet 231, the top outside and the inboard clear liquid outlet 232 of establishing and concentrated liquid outlet 233 of establishing in the bottom inboard of receiving filter membrane 234 batching cylindric.
A liquid level gauge 321 is provided in the concentrate tank 32.
The level gauge is used to measure the volume of the concentrate.
A mesh is provided in the pre-filter 33.
The screen is used for filtering impurities in the feed liquid.
Use the utility model discloses when carrying out water treatment, operate according to following step:
1. introducing waste liquid generated by enterprise production into a waste liquid tank 21;
2. opening a first valve 61, starting a low-pressure pump 11, pumping feed liquid in a waste liquid tank into a pre-filtering liquid tank 22, enabling the waste liquid to pass through a pre-filter 33 in the pumping process, and filtering solid impurities in the waste liquid by a screen in the pre-filter;
3. closing the overflow valve 65, enabling the height of the waste liquid between the short partition 221 and the high partition 222 of the pre-filtering liquid tank to rise and enter the left side of the short partition, enabling the liquid material to enter the nanofiltration membrane component from the left side of the short partition, and closing the first valve and the low-pressure pump after all the liquid material in the waste liquid tank is pumped into the pre-filtering liquid tank;
4. starting the high-pressure pump 12, and separating the waste liquid into clear liquid and concentrated liquid by the nanofiltration membrane component 23;
5. the clear liquid flows into a clear liquid tank 31 through a clear liquid flow meter, and the concentrated liquid flows into a concentrated liquid tank 32 through a concentrated liquid flow meter;
6. when the waste liquid on the left side of the short partition plate of the pre-filtering liquid tank is completely separated by the nanofiltration membrane component, closing the high-pressure pump;
7. the third valve 63 and the fourth valve 64 are opened to discharge all the clear liquid in the clear liquid tank.
8. The second valve 62 and the fourth valve 64 are opened, and the concentrated solution in the concentrated solution tank is discharged and collected.
9. And subsequently, distilling the concentrated solution and the like, and recycling the soluble salt in the concentrated solution.
During the water treatment, the concentration Co (kmol/m) of the soluble salt in the waste liquid between the short partition 221 and the high partition 222 of the pre-filtration liquid tank was measured by measuring the separation time t(s)3) And the concentration Cp (kmol/m) of soluble salt in the clear liquid tank3) And the concentration of soluble salt Cr (kmol/m) in the concentrate tank3) The retention rate R and the flux J [ L/(m) of the permeation liquid of the nanofiltration membrane component can be calculated2·h)]And solute concentration factor N. Specifically, the calculation is performed by the following formula:
R=(Co-Cp)/Co*100%；
j = Vp/(S × t), wherein S is the membrane area (m) of the nanofiltration membrane2）；
N=Cr/Cp。
Whether the separation requirement can be met is determined through the three parameters.
If the separation requirement cannot be met, the membrane separation effect is improved by adjusting the opening degrees of the concentrated solution valve and the clear solution valve and the membrane area of the nanofiltration membrane.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any person skilled in the art can make some changes or modifications to equivalent embodiments with equivalent changes without departing from the technical scope of the present invention, but all those persons do not depart from the technical spirit of the present invention, and any simple modifications, equivalent replacements, and improvements made to the above embodiments are within the spirit and principle of the present invention, and still belong to the protection scope of the technical solution of the present invention.
Claims (9)
1. A simple membrane separation device for water treatment is characterized in that: comprises a waste liquid tank (21) and a pre-filtering liquid tank (22), wherein a short partition plate (221) and a high partition plate (222) are arranged in the pre-filtering liquid tank (22), the bottom of the waste liquid tank (21) is communicated with the bottom of the pre-filtering liquid tank (22) between the short partition plate (221) and the high partition plate (222), a first valve (61), a low-pressure pump (11) and a pre-filter (33) are sequentially arranged on a communicating pipeline, the bottom of the pre-filtering liquid tank (22) on the left side of the short partition plate (221) is communicated with a liquid inlet (231) of a nanofiltration membrane assembly (23), a high-pressure pump (12) and a pressure gauge (52) are sequentially arranged on the communicating pipeline, a clear liquid outlet (232) of the nanofiltration membrane assembly (23) is communicated with the top of a clear liquid tank (31), a clear liquid flowmeter (54) is arranged on the communicating pipeline, a concentrated liquid outlet (233) of the nanofiltration membrane assembly (, the bottom of clear solution jar (31) sets up second valve (62) and communicates with the top of feed liquid collecting vat (41), the bottom of concentrate jar (32) sets up third valve (63) and communicates with the top of feed liquid collecting vat (41), prefiltration fluid jar (22) in the bottom on high baffle (222) right side and feed liquid collecting vat (41) top intercommunication and communicate and set up overflow valve (65) on the pipeline.
2. A simple membrane separation device for water treatment as claimed in claim 1, wherein: and a concentrated solution valve (531) is arranged on the concentrated solution flowmeter (53).
3. A simple membrane separation device for water treatment as claimed in claim 1, wherein: and a clear liquid valve (541) is arranged on the clear liquid flowmeter (54).
4. A simple membrane separation device for water treatment as claimed in claim 1, wherein: and a liquid discharge pipe (411) is arranged at the bottom of the feed liquid collecting tank (41), and a fourth valve (64) is arranged on the liquid discharge pipe (411).
5. A simple membrane separation device for water treatment as claimed in claim 1, wherein: the simple membrane separation device for water treatment further comprises a body (1), a back plate (5) is arranged on the body (1), the first partition plate (2), a second partition plate (3) and a third partition plate (4) are sequentially arranged on the back plate (5) from top to bottom, a pressure gauge (52), a concentrated solution flowmeter (53) and a clear solution flowmeter (54) are sequentially arranged on the back plate (5) from left to right above the first partition plate (2), a waste solution tank (21), a pre-filtering solution tank (22) and a nanofiltration membrane assembly (23) are sequentially arranged on the first partition plate (2) from left to right, a clear solution tank (31), a concentrated solution tank (32) and a pre-filter (33) are sequentially arranged on the second partition plate (3) from left to right, a material solution collecting tank (41) is arranged on the third partition plate (4), and a low-pressure pump (11) and a high-pressure pump (12) are arranged at the bottom of.
6. A simple membrane separation device for water treatment as claimed in claim 5, wherein: the back plate (5) is also provided with a temperature measuring instrument (51).
7. A simple membrane separation device for water treatment as claimed in claim 5, wherein: nanofiltration membrane module (23) include casing (235), and nanofiltration membrane (234) are rolled into cylindricly and are set up in casing (235) inside and its both ends all with casing (235) sealing connection, casing (235) set up liquid inlet (231), top outside and inboard branch and establish clear liquid outlet (232) and dense liquid outlet (233) in the bottom inboard of nanofiltration membrane (234) coiled cylinder.
8. A simple membrane separation device for water treatment as claimed in claim 5, wherein: and a liquid level meter (321) is arranged on the concentrated solution tank (32).
9. A simple membrane separation device for water treatment as claimed in claim 5, wherein: a screen is arranged in the pre-filter (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020284417.6U CN212024962U (en) | 2020-03-10 | 2020-03-10 | Simple membrane separation device for water treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020284417.6U CN212024962U (en) | 2020-03-10 | 2020-03-10 | Simple membrane separation device for water treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212024962U true CN212024962U (en) | 2020-11-27 |
Family
ID=73485372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020284417.6U Active CN212024962U (en) | 2020-03-10 | 2020-03-10 | Simple membrane separation device for water treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212024962U (en) |
-
2020
- 2020-03-10 CN CN202020284417.6U patent/CN212024962U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203095731U (en) | Reverse osmosis pure water system | |
| CN104609605A (en) | Device and method for realizing printing and dyeing dyed wastewater reuse and dye recovery | |
| CN204174011U (en) | Water treatment system | |
| CN113842780A (en) | Ultra-filtration device for combined frame pipeline | |
| CN212024962U (en) | Simple membrane separation device for water treatment | |
| CN101948201A (en) | Oil extraction sewage olation and recycling combined treating process | |
| CN210313765U (en) | Fluorine-containing high-salinity wastewater recycling system | |
| CN102674577B (en) | Full-automatic energy-saving reclaimed water recycling device | |
| WO2023207027A1 (en) | Water purifier system | |
| CN207645925U (en) | Reverse osmose pure-water equipment | |
| CN211141709U (en) | Water treatment system for purifying water | |
| CN206289097U (en) | Reverse osmosis seawater desalination system | |
| CN214032015U (en) | Multistage sewage treatment device | |
| CN211896170U (en) | Water filtration and purification system and water purifier that two membranes were recycled | |
| CN210964231U (en) | Nanofiltration device | |
| CN211357931U (en) | Water filter equipment and first-level reverse osmosis treatment equipment | |
| CN210480932U (en) | Separation and concentration equipment for high-concentration high-chroma high-salinity degradation-resistant organic wastewater | |
| CN210795862U (en) | Novel drinking water advanced treatment and purification device | |
| CN207862084U (en) | Ultrapure water treatment controlling system | |
| CN201280453Y (en) | Constant pressure control apparatus of industrial waste water treatment film system | |
| CN208218524U (en) | A kind of chromatography pickling waste waters recyclable device | |
| CN201850185U (en) | Domestic water treatment device | |
| CN215559370U (en) | Reverse osmosis filter equipment for raw material purification | |
| CN220766739U (en) | RO reverse osmosis water treatment machine | |
| CN108640354B (en) | Heavy metal ion separating membrane device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |