CN220951459U - High-recovery-rate low-energy-consumption ultrafiltration water purifying device - Google Patents
High-recovery-rate low-energy-consumption ultrafiltration water purifying device Download PDFInfo
- Publication number
- CN220951459U CN220951459U CN202322473738.7U CN202322473738U CN220951459U CN 220951459 U CN220951459 U CN 220951459U CN 202322473738 U CN202322473738 U CN 202322473738U CN 220951459 U CN220951459 U CN 220951459U
- Authority
- CN
- China
- Prior art keywords
- water
- ultrafiltration
- filter
- tank
- raw water
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 173
- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 59
- 238000005265 energy consumption Methods 0.000 title claims abstract description 21
- 238000011084 recovery Methods 0.000 claims abstract description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 16
- 150000003839 salts Chemical class 0.000 claims abstract description 8
- 238000010521 absorption reaction Methods 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 238000001914 filtration Methods 0.000 claims description 12
- 230000001502 supplementing effect Effects 0.000 claims description 2
- 238000011001 backwashing Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 6
- 238000005406 washing Methods 0.000 abstract description 4
- 230000008929 regeneration Effects 0.000 abstract description 2
- 238000011069 regeneration method Methods 0.000 abstract description 2
- 239000002352 surface water Substances 0.000 abstract 1
- 239000008399 tap water Substances 0.000 abstract 1
- 235000020679 tap water Nutrition 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 11
- 239000012528 membrane Substances 0.000 description 8
- 238000000746 purification Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000009295 crossflow filtration Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012554 master batch record Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000001728 nano-filtration Methods 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses an ultrafiltration water purifying device with high recovery rate and low energy consumption, which comprises the following working procedures: the surface water or tap water pressurized by an external water supply pump is connected into a raw water tank of the system through a pipeline, the raw water pump takes water from the raw water tank and pressurizes the water into a pretreatment system, and the pretreatment system mainly comprises a multi-medium filter, an activated carbon filter, a softening filter and a salt absorption tank thereof; raw water is pretreated by sequentially passing through a plurality of media, activated carbon and softening, and the multifunctional control valve of the filter can realize the automatic operation of water production/backwashing/forward washing/regeneration of the filter; the water produced by the softening filter enters the cartridge filter by using the residual pressure of the pipeline, and the raw water is further treated; the produced water of the cartridge filter enters an ultrafiltration treatment system again, the produced water of the ultrafiltration system enters a clear water tank for collection, and the concentrated water flows back to the raw water tank through a pipeline for treatment again; the water supply pump takes water from the water producing water tank and pressurizes the water, and then the water is outwards conveyed to a water using point through the ultraviolet sterilizer and the precise filter.
Description
Technical Field
The utility model relates to the technical field of water purification treatment equipment, in particular to an ultrafiltration water purification device with high recovery rate and low energy consumption.
Background
In recent 30 years, the development of special membrane separation technologies such as ultrafiltration, nanofiltration, reverse osmosis and MBR membranes is extremely rapid, and the membrane technology plays an important role in the aspects of separation of special solutions, industrial water treatment and the like, and also plays an important role in the aspects of water purification production, water conservation, emission reduction, reclaimed water recycling and the like. With the continuous improvement of the industry development level and the maturation of the market, the application of film products is becoming more and more common.
The ultrafiltration water purification technology is a technology for water treatment application by utilizing an ultrafiltration membrane element, and can effectively remove most of indexes such as solid suspended matters, colloid, microorganisms, macromolecular organic matters, turbidity and the like in water, so that the ultrafiltration water purification technology is widely used for treating high-quality domestic water; the water consumption condition of residents can be greatly improved.
Most ultrafiltration systems adopt a cross-flow filtration mode, and the occurrence of membrane element fouling can be effectively reduced by utilizing the scouring action of raw water; the membrane flux is easy to backwash and recover, but the cross-flow type filtration has the defect that part of concentrated water is generated, so that water resource waste is caused, a backwash water pump is generally designed for an ultrafiltration system, the ultrafiltration system is backwashed by taking water from an ultrafiltration water production water tank, the backwash water pump is generally higher in selected power and has interference with a raw water pump in process operation, and the complexity of the automatic control system is increased while the energy consumption of the system is increased.
To improve this phenomenon, we designed an ultrafiltration water purification device with high recovery rate and low energy consumption.
Disclosure of utility model
The utility model adopts the following technical scheme for realizing the purposes:
The utility model provides a high rate of recovery and low energy consumption's ultrafiltration purifier, includes raw water tank, produces water tank, pretreatment systems connecting pipe, precision filtration connecting pipe, its characterized in that, raw water tank has the raw water pump through the pipeline intercommunication, the delivery port of raw water pump communicates on pretreatment systems connecting pipe, produce water tank and have the water supply pump through the pipeline intercommunication, the delivery port and the precision filtration connecting pipe intercommunication of water supply pump, the other end intercommunication of precision filtration connecting pipe has precision filter, precision filter's output communicates in the water supply person in charge, still includes pretreatment systems, security filter, ultrafiltration system, pretreatment systems, security filter, ultrafiltration system set up between pretreatment systems connecting pipe and produce water tank, and in proper order through the pipeline intercommunication.
Further, the top of the raw water tank is also communicated with a raw water replenishing pipe, and the top of the raw water tank is also communicated with a raw water tank overflow drain pipe and an ultrafiltration return pipe; a raw water tank level gauge is arranged in the raw water tank.
Further, a first diaphragm air pressure tank and a first pressure sensor are arranged on a connecting area between the raw water pump and the pretreatment system connecting pipe.
Further, the pretreatment system consists of a multi-medium filter, an activated carbon filter, a softening filter and a salt absorption box, wherein the multi-medium filter, the activated carbon filter, the softening filter and the salt absorption box are sequentially communicated through a guide pipe, the multi-medium filter is communicated with a pretreatment system connecting pipe, the softening filter is communicated with a security filter, and the salt absorption box is communicated with an ultrafiltration return pipe.
Further, the ultrafiltration system comprises a pressure switch, a water inlet electric valve, a water production electric valve, a concentrated water discharge manual valve, a backwashing water inlet electric valve, a backwashing upper discharge electric valve, a backwashing lower discharge electric valve and a forward washing discharge electric valve.
Further, the top of the water producing water tank is communicated with a water producing water tank overflow drain pipe, the water producing water tank is also communicated with an ultrafiltration water producing pipe, and a water producing water tank liquid level meter is also installed in the water producing water tank.
Further, a second diaphragm air pressure tank, a second pressure sensor and an ultraviolet sterilizer are sequentially arranged on a pipeline between the water supply pump and the connection of the precise filtering connecting pipe.
Further, an ultrafiltration backwash pipe is constructed on the water supply main pipe and is communicated with the backwash water inlet electric valve.
The beneficial effects of the utility model are as follows:
1. The raw water pump and the water supply pump adopt a frequency conversion technology, so that the running frequency can be automatically adjusted, and the energy conservation and consumption reduction are realized.
2. The concentrated water produced by ultrafiltration is completely recycled, so that the overall water yield of the system is effectively improved.
3. The water supply main pipe of the utility model introduces an ultrafiltration backwash pipe for backwashing of the ultrafiltration system, the backwash water pump and auxiliary facilities are canceled, the total energy consumption of the system is reduced, the whole process system is simplified, and the self control and the functions are more stable.
Drawings
FIG. 1 is a process flow diagram of the installation of the apparatus of the present utility model;
Reference numerals: 1. a raw water tank; 2. raw water supplementing pipe; 3. overflow drain pipe of raw water tank; 4. a raw water tank level gauge; 5. a raw water pump; 6. a first diaphragm air pressure tank; 7. a first pressure sensor; 8. a multi-media filter; 9. an activated carbon filter; 10. softening the filter; 11. a salt absorbing box; 12. a cartridge filter; 13. a water inlet electric valve; 14. a pressure switch; 15. a water-producing electricity valve; 16. a concentrate discharge manual valve; 17. backwashing the water inlet electric valve; 18. backwashing the upper-row electric valve; 19. backwashing the lower-row electric valve; 20. a positive washing drainage electric valve; 21. an ultrafiltration system; 22. overflow drain pipe of water producing tank; 23. a water producing tank; 24. a water tank level gauge for producing water; 25. a water supply pump; 26. a second diaphragm air pressure tank; 27. a second pressure sensor; 28. a precise filtration connecting pipe; 29. an ultraviolet sterilizer; 30. a precision filter; 31. ultrafiltration backwash tube; 32. a water supply main; 33. a pretreatment system; 34. a pretreatment system connecting pipe; 35. an ultrafiltration reflux pipe; 36. ultrafiltering to form water producing pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
The application provides an ultrafiltration water purifying device with high recovery rate and low energy consumption, which is mainly used for solving the problems of low water recovery rate and high energy consumption of an ultrafiltration water purifying system in the existing water purifying treatment, and provides the following technical scheme, and the following detailed description is given by referring to fig. 1:
Most of ultra-filtration systems 21 adopt a cross-flow filtration mode, and the occurrence of membrane element fouling can be effectively reduced by utilizing the scouring action of raw water; the membrane flux is easy to backwash and recover, but the cross-flow type filtering has the defect that part of concentrated water is generated to cause water resource waste, and the treatment recovery rate of the ultrafiltration system 21 can reach 100% by refluxing the concentrated water to the raw water tank 1; realizing the purpose of water saving.
The concentrated water of the ultrafiltration system 21 is obtained by subjecting raw water to multi-media, activated carbon, softening, precise and other filtration processes, and compared with most of domestic miscellaneous water, the concentrated water is conventionally directly discharged, so that the waste of water resources is somewhat regrettable, and the concentrated water is completely feasible and easy to realize for recycling or reprocessing.
The raw water pump 5 adopts a frequency conversion constant pressure technology to realize constant pressure water supply, so that on one hand, the pretreatment system 33 can be protected, the pretreatment components are prevented from being damaged due to pressure fluctuation, and meanwhile, the condition of false backwashing of the pretreatment system 33 can be effectively improved due to constant pressure of a pipeline; on the other hand, the frequency conversion technology can realize automatic pressure compensation and sleep at idle time, thereby achieving the purpose of energy saving.
The water supply pump 25 adopts a frequency conversion constant pressure technology, so that on one hand, the water consumption requirement can be met, the water can be used at any time without starting the pump frequently; on the other hand, the water supply main pipe 32 is divided into one ultrafiltration backwash pipe 31 for backwashing the ultrafiltration system 21, and the backwash water pump specially configured for the ultrafiltration system 21 can be saved by utilizing the function of automatic pressure compensation of the variable frequency constant pressure technology, so that the system energy consumption is greatly reduced.
Compared with the traditional ultrafiltration water purification treatment system, by introducing the variable-frequency constant-pressure and backflow process technology, the whole energy consumption of the system can be reduced, the high recovery rate is realized, the water resource waste is avoided, meanwhile, the whole process system is simpler and more reliable in automation because of fewer electric equipment, and the whole working process can be automatically completed and repeatedly realized.
In some embodiments, the raw water pump 5 and the water supply pump 25 are started by adopting variable frequency, and the operating frequency is regulated according to the outlet pipeline pressure PID, so that the pipeline is kept constant.
In some embodiments, the first diaphragm air pressure tank 6 and the pressure sensor are installed on the outlet connection pipes of the raw water pump 5 and the water supply pump 25.
In some embodiments, the first diaphragm air pressure tank 6 is fitted with a manual valve to the pipe connection.
In some embodiments, ultrafiltration return line 35, ultrafiltration product line 36 are fitted with rotameters and manual valves for adjusting the product water recovery ratio.
In some embodiments, the ultrafiltration return line 35 returns to the raw water tank 1, and there is also a bypass line for the replenishment of the dosing tank/suction tank 11.
In some embodiments, the pretreatment system 33 maintains constant pressure operation, and the filter is provided with a multifunctional control valve to realize full-automatic operation of water production/backwashing/forward washing/regeneration without the intervention of PLC control.
In some embodiments, ultrafiltration system 21 inlet pipe is equipped with pressure switch 14 and inlet electric valve 13; the automatic operation of ultrafiltration can be controlled by a PLC control system according to the pressure switch 14.
In some embodiments, the water supply main 32 branches into one ultrafiltration backwash tube 31 for backwash of the ultrafiltration system 21; thereby eliminating the backwash water pump and its ancillary equipment.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a high rate of recovery and low energy consumption's ultrafiltration purifier, includes raw water tank (1), produces water tank (23), pretreatment systems connecting pipe (34), precision filtration connecting pipe (28), a serial communication port, raw water tank (1) has raw water pump (5) through the pipeline intercommunication, the delivery port of raw water pump (5) communicates on pretreatment systems connecting pipe (34), produce water tank (23) and have water supply pump (25) through the pipeline intercommunication, the delivery port and the precision filtration connecting pipe (28) intercommunication of water supply pump (25), the other end intercommunication of precision filtration connecting pipe (28) has precision filter (30), the output of precision filter (30) communicates in water supply main pipe (32), still includes pretreatment systems (33), security filter (12), ultrafiltration systems (21) set up between pretreatment systems connecting pipe (34) and produce water tank (23), and in proper order through the pipeline intercommunication.
2. The ultrafiltration water purifying device with high recovery rate and low energy consumption according to claim 1, wherein the top of the raw water tank (1) is also communicated with a raw water supplementing pipe (2), and the top of the raw water tank (1) is also communicated with a raw water tank overflow drain pipe (3) and an ultrafiltration return pipe (35); a raw water tank level gauge (4) is arranged in the raw water tank (1).
3. The ultrafiltration water purifying apparatus with high recovery rate and low energy consumption according to claim 1, wherein a first diaphragm air pressure tank (6) and a first pressure sensor (7) are installed on a connection area between the raw water pump and a pretreatment system connection pipe (34).
4. The ultrafiltration water purifying device with high recovery rate and low energy consumption according to claim 1, wherein the pretreatment system (33) consists of a multi-medium filter (8), an activated carbon filter (9), a softening filter (10) and a salt absorption box (11), the multi-medium filter (8), the activated carbon filter (9), the softening filter (10) and the salt absorption box (11) are sequentially communicated through a conduit, the multi-medium filter (8) is communicated with a pretreatment system connecting pipe (34), the softening filter (10) is communicated with a security filter (12), and the salt absorption box (11) is communicated with an ultrafiltration return pipe (35).
5. The ultrafiltration water purifying device with high recovery rate and low energy consumption according to claim 1, wherein the ultrafiltration system (21) comprises a pressure switch (14), a water inlet electric valve (13), a water production electric valve (15), a concentrated water discharge manual valve (16), a backwash water inlet electric valve (17), a backwash upper discharge electric valve (18), a backwash lower discharge electric valve (19) and a forward wash discharge electric valve (20).
6. The ultrafiltration water purifying device with high recovery rate and low energy consumption according to claim 1, wherein the top of the water producing tank (23) is communicated with a water producing tank overflow drain pipe (22), the water producing tank (23) is also communicated with an ultrafiltration water producing pipe (36), and a water producing tank level meter (24) is also arranged in the water producing tank (23).
7. The ultrafiltration water purifying device with high recovery rate and low energy consumption according to claim 1, wherein a second diaphragm air pressure tank (26), a second pressure sensor (27) and an ultraviolet sterilizer (29) are sequentially arranged on a pipeline between the water supply pump (25) and the precise filtration connecting pipe (28).
8. The ultrafiltration water purifying device with high recovery rate and low energy consumption according to claim 1, wherein an ultrafiltration backwash tube (31) is constructed on the water supply main tube (32) and is communicated with the backwash water inlet electric valve (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322473738.7U CN220951459U (en) | 2023-09-12 | 2023-09-12 | High-recovery-rate low-energy-consumption ultrafiltration water purifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322473738.7U CN220951459U (en) | 2023-09-12 | 2023-09-12 | High-recovery-rate low-energy-consumption ultrafiltration water purifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220951459U true CN220951459U (en) | 2024-05-14 |
Family
ID=91019749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322473738.7U Active CN220951459U (en) | 2023-09-12 | 2023-09-12 | High-recovery-rate low-energy-consumption ultrafiltration water purifying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220951459U (en) |
-
2023
- 2023-09-12 CN CN202322473738.7U patent/CN220951459U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103601310B (en) | A kind of seawater desalination system water treatment method and device thereof | |
| CN214654101U (en) | Chemical water treatment recycling system of thermal power plant | |
| CN104129887A (en) | Reclaimed water recycling system based on membrane bioreactor | |
| CN203373223U (en) | Water treatment device of seawater desalination system | |
| CN102249372A (en) | Immersed ultrafiltration and device and preparation system of pure water | |
| CN104140172B (en) | A kind of Seawater desalination pretreatment method | |
| CN207108747U (en) | A kind of textile printing and dyeing wastewater processing system | |
| CN220951459U (en) | High-recovery-rate low-energy-consumption ultrafiltration water purifying device | |
| CN201380045Y (en) | Pretreatment device and reverse osmosis desalination apparatus for desalination of mine water | |
| CN204661473U (en) | A kind of desalination soft water and backpressure regulation temperature steady flow formula three grades of reverse osmosis water purifiers | |
| CN113548754A (en) | Double-membrane treatment system for circulating cooling water treatment | |
| CN210764802U (en) | Concentrated water recycling type energy-saving reverse osmosis equipment | |
| CN111186879A (en) | Double-pump double-membrane reverse osmosis equipment and water treatment method | |
| CN213771743U (en) | Water circulation system of refrigeration plant | |
| CN220432446U (en) | Concentrated water recycling system | |
| CN216549885U (en) | Ultrafiltration device | |
| CN203960013U (en) | A kind of intermediate water reuse system based on membrane bioreactor | |
| CN211198833U (en) | Ultrafiltration system suitable for high-turbidity water inflow | |
| CN220110799U (en) | Steel mill demineralized water ultrafiltration device backwash system | |
| CN205045921U (en) | Tubular membrane grinds effluent disposal system | |
| CN204727689U (en) | The purifier of the former water of recycle | |
| CN109607683A (en) | A kind of mutual backwashing ultrafiltration device | |
| CN213537520U (en) | Tap water molybdenum removing device | |
| CN204661439U (en) | A kind of multistage pre-treatment desalination soft water and constant temperature water-saving type reverse osmosis water purifier | |
| CN220265522U (en) | Circulating water blowdown recovery system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |