CN219964516U - Device for improving water yield of membrane water purification equipment - Google Patents
Device for improving water yield of membrane water purification equipment Download PDFInfo
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- CN219964516U CN219964516U CN202320919710.9U CN202320919710U CN219964516U CN 219964516 U CN219964516 U CN 219964516U CN 202320919710 U CN202320919710 U CN 202320919710U CN 219964516 U CN219964516 U CN 219964516U
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- water
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- yield
- pretreatment
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 217
- 239000012528 membrane Substances 0.000 title claims abstract description 52
- 238000000746 purification Methods 0.000 title claims abstract description 23
- 238000010992 reflux Methods 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims description 12
- 230000002265 prevention Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 239000008213 purified water Substances 0.000 abstract description 11
- 239000003651 drinking water Substances 0.000 description 6
- 235000020188 drinking water Nutrition 0.000 description 6
- 239000000084 colloidal system Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910017053 inorganic salt Inorganic materials 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001728 nano-filtration Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model provides a device for improving the water yield of membrane water purification equipment, which relates to the technical field of water treatment and comprises the following components: the pretreatment system is provided with a pretreatment water inlet device and a pretreatment water outlet valve. According to the utility model, on the premise that the safe operation of the membrane treatment system is ensured, and the water yield and the water quality of produced water meet the technical requirements, the intelligent control system automatically adjusts the opening angles of the electric valves of the first concentrated water reflux device, the second concentrated water reflux device and the concentrated water discharge device by detecting the conductivity of raw water and the conductivity of purified water on line, so that the water yield of the membrane water purification equipment is improved by reasonably keeping the water inflow of the concentrated water to the raw water tank and the membrane treatment system and reducing the water inflow of the raw water tank.
Description
Technical Field
The utility model relates to the technical field of water treatment, in particular to a device for improving the water yield of membrane water purification equipment.
Background
The direct drinking water has high water quality requirement, and can be widely applied to the deep purification treatment by a membrane separation technology (generally referred to as reverse osmosis and nanofiltration technology), so that particulate matters, colloid matters, microorganisms, organic matters and most inorganic salt ions in raw water are effectively removed, and the purified water is ensured to reach relevant national sanitary standards.
In the prior art, the membrane separation technology has the greatest defects that the raw water utilization rate is low, and when the membrane water purifying equipment is used for preparing direct drinking water, part of concentrated water is discharged from the concentrated water side of the membrane component, and the discharged concentrated water is not easy to comprehensively utilize, so that a great amount of water resources are wasted.
Disclosure of Invention
The utility model aims to provide a device for improving the water yield of membrane water purification equipment, so as to improve the water yield of membrane treatment equipment, save water resources and reduce the water production cost of direct drinking water.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: an apparatus for increasing a water yield of a membrane water purification device, comprising: the pretreatment system is provided with a pretreatment water inlet device and a pretreatment water outlet valve, and the membrane treatment system is provided with a concentrated water reflux device I, a concentrated water reflux device II, a concentrated water discharge device and a purified water metering device.
Preferably, the raw water tank is provided with a raw water inlet device, a liquid level transmitter and a raw water emptying valve.
Preferably, the raw water inlet device is provided with a water inlet valve body and a first electric valve with an adjustable opening angle in parallel.
Preferably, the pretreatment water inlet device comprises a manual water inlet valve and a first conductivity meter with an RS485 communication function.
Preferably, the first concentrated water reflux device comprises a first manual valve, a first turbine flowmeter with an RS485 communication function and a second electric valve with an adjustable opening angle.
Preferably, the second concentrated water reflux device is provided with a second manual valve, a second turbine flowmeter with an RS485 communication function, a third electric valve with an adjustable opening angle and a backflow prevention one-way valve.
Preferably, the concentrated water discharging device comprises a third manual valve, a third turbine flowmeter with an RS485 communication function and a fourth electric valve with an adjustable opening angle.
Preferably, the water purifying and metering device comprises a second conductivity meter with an RS485 communication function and a fourth turbine flowmeter with the RS485 communication function.
Compared with the prior art, the utility model has the advantages and positive effects that,
according to the utility model, on the premise that the safe operation of the membrane treatment system is ensured, and the water yield and the water quality of produced water meet the technical requirements, the intelligent control system automatically adjusts the opening angles of the electric valves of the first concentrated water reflux device, the second concentrated water reflux device and the concentrated water discharge device by detecting the conductivity of raw water and the conductivity of purified water on line, so that the water yield of the membrane water purification equipment is improved by reasonably keeping the water inflow of the concentrated water to the raw water tank and the membrane treatment system and reducing the water inflow of the raw water tank.
Drawings
Fig. 1 is a perspective view showing a device for improving the water yield of a membrane water purification device.
Legend description: 1. a raw water tank; 11. a raw water inlet device; 111. a water inlet valve body; 112. the first electric valve can adjust the opening angle; 12. a liquid level transmitter; 13. a raw water drain valve; 2. a pretreatment system; 21. pretreatment water inlet device; 211. manual water inlet valve; 212. the first conductivity meter has an RS485 communication function; 22. pretreating a water outlet valve; 3. a membrane treatment system; 31. a concentrated water reflux device I; 311. a first manual valve; 312. the first turbine flowmeter has an RS485 communication function; 313. the second electric valve can adjust the opening angle; 32. a concentrated water reflux device II; 321. a second manual valve; 322. the second turbine flowmeter has an RS485 communication function; 323. a third electric valve capable of adjusting the opening angle; 324. a backflow prevention check valve; 33. a concentrate discharge device; 331. a third manual valve; 332. a third turbine flowmeter with RS485 communication function; 333. a fourth electric valve capable of adjusting the opening angle; 34. a purified water metering device; 341. a second conductivity meter with an RS485 communication function; 342. and the fourth turbine flowmeter has an RS485 communication function.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
In an embodiment, as shown in fig. 1, the present utility model provides a device for improving the water yield of a membrane water purification apparatus, including: the pretreatment system 2 is provided with a pretreatment water inlet device 21 and a pretreatment water outlet valve 22, the membrane treatment system 3 is provided with a first concentrated water reflux device 31, a second concentrated water reflux device 32, a concentrated water discharge device 33 and a purified water metering device 34, the raw water tank 1 is provided with a raw water inlet device 11, a liquid level transmitter 12 and a raw water emptying valve 13, the raw water inlet device 11 is provided with a water inlet valve 111 and a first electric valve 112 with an adjustable opening angle in parallel connection, the pretreatment water inlet device 21 comprises a manual water inlet valve 211 and a first conductivity meter 212 with an RS485 communication function, the first concentrated water reflux device 31 comprises a first manual valve 311, a first turbine flowmeter 312 with an RS485 communication function and a second electric valve 313 with an adjustable opening angle, the second concentrated water reflux device 32 is provided with a second manual valve 321, a second turbine flowmeter 322 with an RS485 communication function, a third electric valve 323 with an adjustable opening angle and a backflow prevention one-way valve 324, the raw water discharge device 33 comprises a third manual valve, the third electric valve with an RS485 communication function and the fourth electric valve 332 with an RS485 communication function and a fourth electric flowmeter with an adjustable opening angle 341.
The whole embodiment achieves the effects that when the intelligent control system receives that the liquid level of the liquid level transmitter 12 of the raw water tank 1 is in a low position during use, the first electric valve 112 with the adjustable opening angle is opened, and the raw water tank 1 starts to supplement raw water; when the intelligent control system receives that the liquid level of the liquid level transmitter 12 of the raw water tank 1 is at a high position, the first electric valve 112 with the adjustable opening angle is closed, and the raw water tank 1 stops supplementing raw water.
Further, the raw water enters the pretreatment system 2 through the pretreatment water inlet device 21, meets the water inlet requirement of the membrane treatment system 3, and flows out to the membrane treatment system 3 through the pretreatment water outlet valve 22.
Further, the membrane treatment system 3 is divided into concentrated water and purified water, wherein the concentrated water is the concentrated water of the membrane treatment system 3, and particulate matters, colloid matters, microorganisms, organic matters, most inorganic salt ions and the like in raw water are discharged along with the concentrated water; the purified water is the desalted water of the membrane treatment system 3 and is the product water of the direct drinking water equipment.
Further, three concentrated water paths of the membrane treatment system 3 are discharged, the first concentrated water path is returned to the original water tank 1 by the first concentrated water return device 31, the second concentrated water path is returned to the water inlet device of the membrane treatment system 3 by the second concentrated water return device 32, and the third concentrated water path is discharged to a sewer or a concentrated water collecting box by the concentrated water discharge device 33.
In order to improve the water yield of the membrane water purification equipment, the membrane treatment system 3 is ensured to run safely, and the water yield and the water quality of the produced water are ensured to meet the technical requirements, under the premise that the conductivity of raw water and the conductivity of purified water are detected on line, the intelligent control system automatically adjusts the opening angles of the electric valves of the first concentrated water reflux device 31, the second concentrated water reflux device 32 and the concentrated water discharge device 33, the water inflow of the concentrated water to the raw water tank 1 and the membrane treatment system 3 is reasonably kept, the water inflow of the raw water tank 1 is reduced, so that the water yield of the membrane water purification equipment is improved, the problems that the raw water utilization rate is low, part of concentrated water is discharged from the concentrated water side of a membrane assembly while the membrane water purification equipment is used for preparing direct drinking water, and the discharged concentrated water is not easy to be comprehensively utilized, so that a great amount of water resources is wasted are caused are solved.
Working principle: when the intelligent control system receives that the liquid level of the liquid level transmitter 12 of the raw water tank 1 is in a low position, the first electric valve 112 with the adjustable opening angle is opened, and the raw water tank 1 starts to supplement raw water; when the intelligent control system receives that the liquid level of the liquid level transmitter 12 of the raw water tank 1 is at a high position, the first electric valve 112 with the adjustable opening angle is closed, and the raw water tank 1 stops supplementing raw water; raw water enters the pretreatment system 2 through the pretreatment water inlet device 21, meets the water inlet requirement of the membrane treatment system 3, and flows out to the membrane treatment system 3 through the pretreatment water outlet valve 22; the membrane treatment system 3 is divided into concentrated water and purified water, wherein the concentrated water is the concentrated water of the membrane treatment system 3, particles, colloid substances, microorganisms, organic matters, most inorganic salt ions and the like in raw water are discharged along with the concentrated water, and the purified water is the desalted water of the membrane treatment system 3 and is the product water of direct drinking water equipment; the three paths of concentrated water of the membrane treatment system 3 are discharged, the first path is returned to the original water tank by the first concentrated water return device 31, the second path is returned to the water inlet device of the membrane treatment system 3 by the second concentrated water return device 32, and the third path is discharged to a sewer or a concentrated water collecting box by the concentrated water discharge device 33.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (8)
1. The utility model provides a device for improving membrane water purification unit water yield which characterized in that includes: raw water tank (1), pretreatment system (2) and membrane processing system (3), pretreatment system (2) are furnished with pretreatment water inlet unit (21) and pretreatment play water valve (22), membrane processing system (3) are furnished with dense water reflux unit one (31), dense water reflux unit two (32), dense water discharging equipment (33) and water purification metering device (34).
2. The device for increasing the water yield of a membrane water purification apparatus according to claim 1, wherein: the raw water tank (1) is provided with a raw water inlet device (11), a liquid level transmitter (12) and a raw water emptying valve (13).
3. The device for improving the water yield of a membrane water purification apparatus according to claim 2, wherein: the raw water inlet device (11) is provided with a water inlet valve body (111) and a first electric valve (112) with an adjustable opening angle in parallel.
4. The device for increasing the water yield of a membrane water purification apparatus according to claim 1, wherein: the pretreatment water inlet device (21) comprises a manual water inlet valve (211) and a first conductivity meter (212) with an RS485 communication function.
5. The device for increasing the water yield of a membrane water purification apparatus according to claim 1, wherein: the first concentrated water backflow device (31) comprises a first manual valve (311), a first turbine flowmeter (312) with an RS485 communication function and a second electric valve (313) with an adjustable opening angle.
6. The device for increasing the water yield of a membrane water purification apparatus according to claim 1, wherein: the second concentrated water backflow device (32) is provided with a second manual valve (321), a second turbine flowmeter (322) with an RS485 communication function, a third electric valve (323) with an adjustable opening angle and a backflow prevention check valve (324).
7. The device for increasing the water yield of a membrane water purification apparatus according to claim 1, wherein: the concentrated water discharging device (33) comprises a third manual valve (331), a third turbine flowmeter (332) with an RS485 communication function and a fourth electric valve (333) with an adjustable opening angle.
8. The device for increasing the water yield of a membrane water purification apparatus according to claim 1, wherein: the water purifying and metering device (34) comprises a second conductivity meter (341) with an RS485 communication function and a fourth turbine flowmeter (342) with the RS485 communication function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320919710.9U CN219964516U (en) | 2023-04-23 | 2023-04-23 | Device for improving water yield of membrane water purification equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320919710.9U CN219964516U (en) | 2023-04-23 | 2023-04-23 | Device for improving water yield of membrane water purification equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219964516U true CN219964516U (en) | 2023-11-07 |
Family
ID=88596785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320919710.9U Active CN219964516U (en) | 2023-04-23 | 2023-04-23 | Device for improving water yield of membrane water purification equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219964516U (en) |
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2023
- 2023-04-23 CN CN202320919710.9U patent/CN219964516U/en active Active
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