CN215102355U - Concentrated water recovery unit of ultrafiltration - Google Patents
Concentrated water recovery unit of ultrafiltration Download PDFInfo
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- CN215102355U CN215102355U CN202121067883.XU CN202121067883U CN215102355U CN 215102355 U CN215102355 U CN 215102355U CN 202121067883 U CN202121067883 U CN 202121067883U CN 215102355 U CN215102355 U CN 215102355U
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Abstract
The utility model discloses an ultrafiltration concentrated water recovery device, which comprises a clean water tank connected with a factory water supply pipe, wherein the clean water tank is connected with a multi-medium filter through at least one clean water pump; the multi-medium filter is connected with the self-cleaning filter, the self-cleaning filter is connected with a first pipeline through a first pneumatic butterfly valve, the first pipeline is connected with the ultrafiltration device, and a medicine washing inlet is also formed in the first pipeline; the ultrafiltration device is connected with a second pipeline, and the second pipeline is connected with a backwashing water inlet pipe through a seventh pneumatic butterfly valve; the second pipeline is also provided with a medicine washing outlet, and the ultrafiltration device is connected with the clear water tank through a third pipeline; the second pipeline is connected with a fourth pipeline, and the fourth pipeline is connected with the ultrafiltration water tank; the first pipeline is also provided with a second pneumatic butterfly valve for discharging sewage after the medicine washing. The utility model discloses improve the utilization ratio of water, reduced the blowdown volume of whole factory again, both saved water fee and saved the blowdown fee.
Description
Technical Field
The utility model discloses be applied to power plant boiler makeup water processing system, concretely relates to dense water recovery unit of ultrafiltration.
Background
The existing cogeneration units are basically high-temperature high-pressure or sub-high-temperature sub-high-pressure thermoelectric units, boiler make-up water can be used as the make-up water of the boiler after pretreatment, pre-desalination or desalination, and the boiler can not be scaled and can safely and stably operate after the treatment. Pretreatment is necessary whether the desalting treatment is pre-desalting or desalting treatment, and the pretreatment process is basically multi-media filter and ultrafiltration. According to the water quality of the incoming water and the characteristics of the membrane, the ultrafiltration can discharge backwashing water (or concentrated water) regardless of full-flow filtration or cross-flow filtration, so that the actual water yield of the ultrafiltration is only about 90 percent, and about 10 percent of water is wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dense water recovery unit of ultrafiltration, can solve the emission problem of ultrafiltration backwash water (or dense water), backwash water (or dense water) recycle improves the water utilization ratio, has reduced the blow off of whole factory again, has both saved water charge and has saved the blowdown cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an ultrafiltration concentrated water recovery device comprises a clean water tank connected with a plant water inlet pipe, wherein the clean water tank is connected with a multi-media filter through at least one clean water pump; the multi-media filter is connected with a self-cleaning filter, the self-cleaning filter is connected with a first pipeline through a first pneumatic butterfly valve, the first pipeline is connected with an ultrafiltration device, and a medicine washing inlet is further formed in the first pipeline; the ultrafiltration device is connected with a second pipeline, and the second pipeline is connected with a backwashing water inlet pipe through a seventh pneumatic butterfly valve; the second pipeline is also provided with a medicine washing outlet, and the ultrafiltration device is connected with the clear water tank through a third pipeline; the second pipeline is connected with a fourth pipeline, and the fourth pipeline is connected with an ultrafiltration water tank; and the first pipeline is also provided with a second pneumatic butterfly valve for discharging sewage after the medicine washing.
Furthermore, the third pipeline through the fifth pipeline with the end connection of intaking of first pneumatic butterfly valve, still be provided with the third pneumatic butterfly valve on the fifth pipeline.
Further, the third pipeline is provided with a fourth pneumatic butterfly valve and a manual ball valve which are connected in parallel, and the fourth pneumatic butterfly valve and the manual ball valve are located between the ultrafiltration device and the clean water tank.
Furthermore, a fifth pneumatic butterfly valve and a check valve are arranged on the fourth pipeline.
Further, the ultrafiltration device consists of a plurality of ultrafiltration membranes.
Further, the multimedia filter is connected to the sump by a sixth pneumatic butterfly valve.
The beneficial effects of the utility model reside in that: the utility model discloses return the concentrated water after ultrafiltration backwash water or ultrafiltration to the clear water case once more with normal operating, with this part of water recycle once more, not only improved the utilization ratio of water, still solved ultrafiltration backwash water or the discharge problem of the concentrated water of discharging after the ultrafiltration simultaneously, backwash water or concentrated water recycle once more moreover, the water turbidity of production after filtering is still below 5 NTUs, can satisfy the influent water quality requirement of ultrafiltration device; the utility model discloses both reduced the blow off of power plant, practiced thrift the factory water yield again, accomplished energy saving and emission reduction really.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Reference numerals: 1. a clear water tank; 2. a clean water pump; 3. a multi-media filter; 4. a self-cleaning filter; 5. an ultrafiltration device; 6. an ultrafiltration water tank; 7. a first pneumatic butterfly valve; 8. a second pneumatic butterfly valve; 9. a third pneumatic butterfly valve; 10. a first conduit; 11. a second conduit; 12. a third pipeline; 13. the medicine washing inlet; 14. a medicine washing outlet; 15. a fifth pneumatic butterfly valve; 16. a check valve; 17. a fourth pneumatic butterfly valve; 18. a manual ball valve; 19. a sixth pneumatic butterfly valve; 20. a fourth conduit; 21. backwashing the water inlet pipe; 22. a fifth pipeline; 23. ultrafiltration membranes; 24. and a seventh pneumatic butterfly valve.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
example one
As shown in fig. 1, the ultrafiltration concentrated water recovery device comprises a clean water tank 1 connected with a factory water supply pipe, wherein the clean water tank 1 is connected with a multi-media filter 3 through two clean water pumps 2 connected in parallel; the multi-media filter 3 is connected with the self-cleaning filter 4, the self-cleaning filter 4 is connected with a first pipeline 10 through a first pneumatic butterfly valve 7, the first pipeline 10 is connected with the ultrafiltration device 5, and a medicine washing inlet 13 is further arranged on the first pipeline 10; the ultrafiltration device 5 is connected with a second pipeline 11, and the second pipeline 11 is connected with a backwashing water inlet pipe 21 through a seventh pneumatic butterfly valve 24; the second pipeline 11 is also provided with a medicine washing outlet 14, and the ultrafiltration device 5 is connected with the clean water tank 1 through a third pipeline 12; a fourth pipeline 20 is connected to the second pipeline 11, the fourth pipeline 20 is connected with the ultrafiltration water tank 6, and a check valve 16 and a fifth pneumatic butterfly valve 15 are further arranged on the fourth pipeline 20; the first pipeline 10 is also provided with a second pneumatic butterfly valve 8 for discharging sewage after the chemical washing. The third pipeline 12 is connected with the water inlet end of the first pneumatic butterfly valve 7 through a fifth pipeline 22, and the fifth pipeline 22 is further provided with a third pneumatic butterfly valve 9.
The third pipeline 12 is provided with a fourth pneumatic butterfly valve 17 and a manual ball valve 18 which are connected in parallel, the fourth pneumatic butterfly valve 17 and the manual ball valve 18 are positioned between the ultrafiltration device 5 and the clean water tank 1, and the ultrafiltration device 5 consists of a plurality of ultrafiltration membranes 23.
The utility model discloses the during operation, factory water at first gets into clear water tank 1, through multimedium filter 3 and self-cleaning filter 4, get into ultrafiltration device 5 after filtering and filter, when ultrafiltration device 5 filters, need use the medicine to who carries out the ultrafiltration washing, waste water after carrying out the ultrafiltration washing is discharged through second pneumatic butterfly valve 8, water after 5 filters of process ultrafiltration gets into ultrafiltration water tank 6, filterable dense water and backwash water are retrieved to clear water tank through third pipeline 12, the factory water that again circulates.
In addition, the letters P, L, F, F1 and P1 in the figure indicate various meters.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.
Claims (6)
1. An ultrafiltration concentrated water recovery device is characterized by comprising a clean water tank connected with a factory water inlet pipe, wherein the clean water tank is connected with a multi-media filter through at least one clean water pump; the multi-media filter is connected with a self-cleaning filter, the self-cleaning filter is connected with a first pipeline through a first pneumatic butterfly valve, the first pipeline is connected with an ultrafiltration device, and a medicine washing inlet is further formed in the first pipeline; the ultrafiltration device is connected with a second pipeline, and the second pipeline is connected with a backwashing water inlet pipe through a seventh pneumatic butterfly valve; the second pipeline is also provided with a medicine washing outlet, and the ultrafiltration device is connected with the clear water tank through a third pipeline; the second pipeline is connected with a fourth pipeline, and the fourth pipeline is connected with an ultrafiltration water tank; and the first pipeline is also provided with a second pneumatic butterfly valve for discharging sewage after the medicine washing.
2. The ultrafiltration concentrate recovery device of claim 1, wherein the third conduit is connected to the inlet end of the first pneumatic butterfly valve via a fifth conduit, the fifth conduit further comprising a third pneumatic butterfly valve.
3. The ultrafiltration concentrate recovery device of claim 1, wherein the third conduit is provided with a fourth pneumatic butterfly valve and a manual ball valve in parallel, the fourth pneumatic butterfly valve and the manual ball valve being positioned between the ultrafiltration device and the clean water tank.
4. The apparatus of claim 1, wherein a fifth pneumatic butterfly valve and a check valve are disposed on said fourth conduit.
5. The ultrafiltration concentrate recovery device of claim 1, wherein the ultrafiltration device comprises a plurality of ultrafiltration membranes.
6. The ultrafiltration concentrate recovery device of claim 1, wherein the multimedia filter is connected to the sump via a sixth pneumatic butterfly valve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121067883.XU CN215102355U (en) | 2021-05-19 | 2021-05-19 | Concentrated water recovery unit of ultrafiltration |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121067883.XU CN215102355U (en) | 2021-05-19 | 2021-05-19 | Concentrated water recovery unit of ultrafiltration |
Publications (1)
Publication Number | Publication Date |
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CN215102355U true CN215102355U (en) | 2021-12-10 |
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CN202121067883.XU Active CN215102355U (en) | 2021-05-19 | 2021-05-19 | Concentrated water recovery unit of ultrafiltration |
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2021
- 2021-05-19 CN CN202121067883.XU patent/CN215102355U/en active Active
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