CN212198803U - Sewage nanofiltration treatment device - Google Patents
Sewage nanofiltration treatment device Download PDFInfo
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- CN212198803U CN212198803U CN202020234040.3U CN202020234040U CN212198803U CN 212198803 U CN212198803 U CN 212198803U CN 202020234040 U CN202020234040 U CN 202020234040U CN 212198803 U CN212198803 U CN 212198803U
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Abstract
The sewage nanofiltration treatment device comprises: precision filter, high pressure water pump and membrane filter are equipped with sewage inlet tube and sewage diversion pipe on precision filter, and pass through sewage diversion pipe and high pressure water pump precision filter and link to each other with at least one membrane filter, are equipped with the filter core in the membrane filter, and the water through the filter core flows from the water outlet through producing the water pipe, and the water that does not pass through the filter core flows from dense water outlet through dense water pipe, and sewage nanofiltration processing apparatus still includes: wash the water tank, the moisturizing pipe is equipped with in the upper end of wasing the water tank, the one end of wet return and refluence pipe, the one end of outlet pipe is equipped with at the lower extreme of wasing the water tank, at the moisturizing pipe, the wet return, the ball valve is equipped with respectively in one of refluence pipe and outlet pipe, the other end at the moisturizing pipe links to each other with the product water pipe, the other end and the dense water pipe of wet return link to each other, the other end and the outlet pipe of refluence pipe link to each other, the other end of outlet pipe links to each other with the.
Description
Technical Field
The invention relates to a nanofiltration treatment device in the field of sewage treatment.
Background
At present, when a filter element in a membrane filter is not cleaned in time or is manually cleaned, the water quality and the yield are reduced, the maintenance cost is increased, and the efficient and continuous working requirements are not facilitated.
Disclosure of Invention
The invention aims to provide a sewage nanofiltration treatment device, which is characterized in that a cleaning water tank on the device can clean a filter element of a membrane filter and circularly operate through a water production pipe and a concentrated water pipe on the device, so that the quality and the yield of water produced by the device are ensured, and the maintenance cost is saved.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention relates to a sewage nanofiltration treatment device, which comprises: precision filter, high pressure water pump and membrane filter are equipped with sewage inlet tube and sewage diversion pipe on precision filter, link to each other with at least one membrane filter through sewage diversion pipe and high pressure water pump precision filter, are equipped with the filter core in the membrane filter, and the water through the filter core flows from the water outlet through producing the water pipe, and the water that does not pass through the filter core flows from dense water outlet through dense water pipe, wherein: the sewage nanofiltration treatment device also comprises: wash the water tank, the moisturizing pipe is equipped with in the upper end of wasing the water tank, the one end of wet return and refluence pipe, the one end of outlet pipe is equipped with at the lower extreme of wasing the water tank, at the moisturizing pipe, the wet return, the ball valve is equipped with respectively in one of refluence pipe and outlet pipe, the other end at the moisturizing pipe links to each other with the product water pipe, the other end and the dense water pipe of wet return link to each other, the other end and the outlet pipe of refluence pipe link to each other, the other end of outlet pipe links to each other with the.
The invention relates to a sewage nanofiltration treatment device, which comprises: the water production pipe is sequentially provided with a ball valve, a flowmeter and a conductivity controller, and the other end of the water replenishing pipe is connected to the water production pipe between the flowmeter and the conductivity controller.
The invention relates to a sewage nanofiltration treatment device, which comprises: the concentrated water pipe is sequentially provided with a ball valve, a flowmeter and a normally open electromagnetic valve, and the other end of the water return pipe is connected to the concentrated water pipe between the ball valve and the flowmeter.
The invention relates to a sewage nanofiltration treatment device, which comprises: the water outlet pipe is also provided with an electronic negative pressure meter, and the other end of the backflow pipe is connected to the water outlet pipe between the electronic negative pressure meter and the sewage transfer pipe.
The invention relates to a sewage nanofiltration treatment device, which comprises: an electronic negative pressure meter and a pressure protection switch are also arranged on the sewage transfer pipe between the precision filter and the high-pressure water pump.
The invention relates to a sewage nanofiltration treatment device, which comprises: the sewage nanofiltration treatment device further comprises: the dosing device is connected with a sewage inlet pipe arranged on the precision filter.
Compared with the prior art, the invention has the beneficial effects that: simple structure, convenient operation has saved cost of maintenance. The sewage nanofiltration treatment device can realize continuous and effective cleaning of the membrane filter element by the cleaning water tank, and ensure the water quality and yield of the produced water of the device.
Drawings
Fig. 1 is a schematic view of a nanofiltration treatment device for sewage according to the present invention.
In fig. 1, reference numeral 1 denotes a sewage inlet pipe; reference numeral 2 is a precision filter; reference numeral 3 is an electronic negative pressure gauge; reference numeral 4 is a pressure protection switch; the reference numeral 5 is a high pressure water pump; reference numeral 6 is a membrane filter; reference numeral 7 is a thick water pipe; reference numeral 8 is a water producing pipe; reference numeral 9 is a ball valve; reference numeral 10 is a water producing port; the reference numeral 11 is a concentrated water outlet; reference numeral 12 is a normally open solenoid valve; reference numeral 13 is a flow meter; reference numeral 14 is a water replenishing pipe; reference numeral 15 is a cleaning water tank; reference numeral 16 is a water return pipe; reference numeral 17 is a self-priming pump; reference numeral 18 is a water outlet pipe; reference numeral 19 is a conductivity controller; reference numeral 20 is a medicine-adding device; reference numeral 21 is a filter element; reference numeral 22 is a sewage transfer pipe; reference numeral 23 denotes a reflux tube.
Detailed Description
As shown in fig. 1, the nanofiltration treatment apparatus for sewage of the present invention comprises: the precise filter 2 is provided with a sewage inlet pipe 1 and a sewage transfer pipe 21, the dosing device 20 is connected with the sewage inlet pipe 1 arranged on the precise filter 2 and is connected with at least one membrane filter 6 through the sewage transfer pipe 21 and the high-pressure water pump 5, and an electronic negative pressure meter 3 and a pressure protection switch 4 are also arranged on the sewage transfer pipe 21 between the precise filter 2 and the high-pressure water pump 5.
The membrane filter 6 is internally provided with a filter element 22, water passing through the filter element 22 flows out from a water production outlet 10 through a water production pipe 8, and the water production pipe 8 is sequentially provided with a ball valve 9, a flowmeter 13 and a conductivity controller 19. The water which does not pass through the filter element 22 flows out from the concentrated water outlet 11 through the concentrated water pipe 7, and the ball valve 9, the flowmeter 13 and the normally open electromagnetic valve 12 are sequentially arranged on the concentrated water pipe 7.
One end of a water replenishing pipe 14, a water return pipe 16 and a backflow pipe 23 is arranged at the upper end of the cleaning water tank 15, one end of a water outlet pipe 18 is arranged at the lower end of the cleaning water tank 15, ball valves 9 are respectively arranged at one ends of the water replenishing pipe 14, the water return pipe 16, the backflow pipe 23 and the water outlet pipe 18, and the other end of the water replenishing pipe 14 is connected to a water production pipe 8 between the flow meter 13 and the conductivity controller 19. The other end of the return pipe 16 is connected to the concentrate pipe 7 between the ball valve 9 and the flow meter 13. The water outlet pipe 18 is also provided with an electronic negative pressure meter 3, the other end of the backflow pipe 23 is connected to the water outlet pipe 18 between the electronic negative pressure meter 3 and the sewage transfer pipe 21, and the other end of the water outlet pipe 18 is connected with the sewage transfer pipe 21 entering the membrane filter 6 through the self-priming pump 17.
The chemical adding device 20 adds a certain proportion of liquid medicine into the sewage inlet pipe 1, the sewage is filtered by the precision filter 2 and then sent into the membrane filter 6 by the high-pressure water pump 5, the sewage is further filtered under the action of the filter element 22 of the membrane filter 6, the treated good water is discharged from the water producing port 10 through the water producing pipe 8, and the electronic negative pressure meter 3 and the flowmeter 13 on the water producing pipe 8 can respectively detect the pressure and the flow of the good water on the water producing pipe 8; the treated waste water is discharged from a concentrated water outlet 11 through a concentrated water pipe 7, and a flow meter 13 and a normally open electromagnetic valve 12 on the concentrated water pipe 7 can detect the flow of the waste water on the concentrated water pipe 7.
The self-priming pump 17 sends the cleaning liquid into the membrane filter 6 from the water outlet pipe 18 of the water tank 15, cleans the filter core 22, the cleaned water comes out from the concentrated water pipe 7 of the membrane filter 6, and then flows back to the cleaning water tank 15 through the water return pipe 16 of the cleaning water tank 15 for circular cleaning; when the cleaning liquid from the concentrated water pipe 7 of the membrane filter 6 becomes dirty and can not be recycled, the cleaning liquid from the concentrated water pipe 7 of the membrane filter 6 is directly discharged from the concentrated water outlet 11, and then the water is supplemented to the cleaning water tank 15 from the water production pipe 8 and the water supplementing pipe 14 of the membrane filter 6, and the filter element 22 is continuously cleaned in a recycling way.
When the filter element 22 in the membrane filter 6 is seriously blocked and the self-priming pump 17 cannot send the cleaning liquid into the membrane filter 6 from the water outlet pipe 18 of the cleaning water tank 15, the ball valve 9 on the backflow pipe 23 is opened, and the cleaning liquid can flow back into the cleaning water tank 15; the conductivity controller 19 may monitor the water in the product water pipe 8 for such things as salt content.
The foregoing description is illustrative of the present invention and is not to be construed as limiting thereof, the scope of the invention being defined by the appended claims, which may be modified in any manner without departing from the spirit of the invention.
Claims (6)
1. A sewage nanofiltration treatment device comprises: precision filter (2), high pressure water pump (5) and membrane filter (6), be equipped with sewage inlet tube (1) and sewage diversion pipe (21) on precision filter (2), it links to each other with at least one membrane filter (6) through sewage diversion pipe (21) and high pressure water pump (5) precision filter (2), filter core (22) are equipped with in membrane filter (6), water through filter core (22) is through producing water pipe (8) from producing water outlet (10) outflow, the water that does not pass through filter core (22) is through dense water pipe (7) from dense water outlet (11) outflow, its characterized in that: the sewage nanofiltration treatment device also comprises: wash water tank (15), moisturizing pipe (14) are equipped with in the upper end of wasing water tank (15), the one end of wet return (16) and refluence pipe (23), the one end of outlet pipe (18) is equipped with at the lower extreme of wasing water tank (15), at moisturizing pipe (14), wet return (16), ball valve (9) are equipped with respectively on the one end of refluence pipe (23) and outlet pipe (18), the other end and the product water pipe (8) at moisturizing pipe (14) link to each other, the other end and dense water pipe (7) of wet return (16) link to each other, the other end and outlet pipe (18) of refluence pipe (23) link to each other, the other end of outlet pipe (18) passes through self priming pump (17) and links to each other with sewage transfer pipe (21) that get into membrane.
2. The nanofiltration treatment apparatus for sewage as recited in claim 1, wherein: the water production pipe (8) is sequentially provided with a ball valve (9), a flowmeter (13) and a conductivity controller (19), and the other end of the water replenishing pipe (14) is connected to the water production pipe (8) between the flowmeter (13) and the conductivity controller (19).
3. The nanofiltration treatment apparatus for sewage as recited in claim 2, wherein: the concentrated water pipe (7) is sequentially provided with a ball valve (9), a flowmeter (13) and a normally open electromagnetic valve (12), and the other end of the water return pipe (16) is connected to the concentrated water pipe (7) between the ball valve (9) and the flowmeter (13).
4. The nanofiltration treatment apparatus for sewage as recited in claim 3, wherein: the water outlet pipe (18) is also provided with an electronic negative pressure meter (3), and the other end of the backflow pipe (23) is connected to the water outlet pipe (18) between the electronic negative pressure meter (3) and the sewage transfer pipe (21).
5. The nanofiltration treatment apparatus for sewage as recited in claim 4, wherein: an electronic negative pressure meter (3) and a pressure protection switch (4) are also arranged on the sewage transfer pipe (21) between the precision filter (2) and the high-pressure water pump (5).
6. The nanofiltration treatment apparatus for sewage as recited in claim 5, wherein: the sewage nanofiltration treatment device further comprises: the dosing device (20) is connected with the sewage inlet pipe (1) arranged on the precision filter (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020234040.3U CN212198803U (en) | 2020-03-02 | 2020-03-02 | Sewage nanofiltration treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020234040.3U CN212198803U (en) | 2020-03-02 | 2020-03-02 | Sewage nanofiltration treatment device |
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| Publication Number | Publication Date |
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| CN212198803U true CN212198803U (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020234040.3U Active CN212198803U (en) | 2020-03-02 | 2020-03-02 | Sewage nanofiltration treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113336355A (en) * | 2020-03-02 | 2021-09-03 | 龙感湖龙源汇力科技有限公司 | Sewage nanofiltration treatment device |
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2020
- 2020-03-02 CN CN202020234040.3U patent/CN212198803U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113336355A (en) * | 2020-03-02 | 2021-09-03 | 龙感湖龙源汇力科技有限公司 | Sewage nanofiltration treatment device |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220812 Address after: No. 8, Middle Street, Gedaizi Village, Lisui Town, Shunyi District, Beijing 101300 Patentee after: Beijing Seifert Equipment Manufacturing Co., Ltd. Address before: 435503 Industrial Park, Longganhu management zone, Huanggang City, Hubei Province Patentee before: Longganhu Longyuan Huili Technology Co.,Ltd. |