CN216662565U - Bidirectional cross flow membrane separation combined valve device based on ball valve - Google Patents
Bidirectional cross flow membrane separation combined valve device based on ball valve Download PDFInfo
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- CN216662565U CN216662565U CN202123456289.2U CN202123456289U CN216662565U CN 216662565 U CN216662565 U CN 216662565U CN 202123456289 U CN202123456289 U CN 202123456289U CN 216662565 U CN216662565 U CN 216662565U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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Abstract
The utility model discloses a bidirectional cross-flow membrane separation combined valve device based on a ball valve. The technical scheme of the utility model is as follows: the membrane separation device comprises a raw water pump, a high-pressure pump, a circulating pump, a valve assembly and a membrane assembly, wherein the raw water pump, the high-pressure pump and the circulating pump are arranged on a membrane system membrane inlet pipeline, the valve assembly comprises a raw water membrane inlet pipeline and a membrane system concentrated water outlet pipeline, the raw water membrane inlet pipeline is divided into two paths to be connected in series with a first ball valve and a second ball valve, the membrane system concentrated water outlet pipeline is divided into two paths to be connected in series with a third ball valve and a fourth ball valve, the membrane system membrane inlet pipeline is connected to the raw water membrane inlet pipeline between the first ball valve and the second ball valve, and the membrane separation device further comprises a concentrated water backflow pipeline. The scheme provided by the utility model can adjust the water inlet flow direction of the membrane system along with the pressure and water production changes of the membrane system in actual use, timely takes pollutants in the membrane element out of the system at variable time, greatly reduces the risk of pollution and blockage of the system, reduces the cleaning frequency of the membrane system and prolongs the service cycle.
Description
Technical Field
The utility model relates to the technical field of water treatment devices, in particular to a ball valve-based bidirectional cross-flow membrane separation combined valve device.
Background
The membrane separation technology is a well-established water treatment process, and the market has already developed a special membrane system process based on different types of membranes after decades of precipitation. The existing membrane separation systems are provided with relatively mature system schemes and system drawings, and only small adjustments are needed to be made according to actual requirements of customers, use sites and environments during equipment design and production.
The trend of the pipeline in the mature scheme is only one mode, the structure of a membrane element in the system determines the idea of system design and also determines the process standard of practical use of the system, but the same process flow often has a use result which is greatly changed in and out according to different water quality conditions, the pollution blocking rate of the membrane under high-concentration water quality, the chemical cleaning period and the membrane element replacement frequency are all very high, and the design requirement of the system cannot be met completely.
The main reason is that the structure of the traditional roll-type membrane element leads to the design that the water flow direction can only flow in one direction. When the working environment of the membrane system is in a worse condition, the requirement on pretreatment of the membrane system is particularly high, if high pollutants enter the membrane directly without pretreatment, frequent pollution and blockage of the membrane element and frequent chemical cleaning are often caused by the structural problem of the existing membrane element, the service life of the membrane system is greatly reduced, the replacement and cleaning frequency of the membrane element is increased, and the pipeline trend of the system is unidirectional at the joint of all the problems.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model mainly aims to provide a ball valve-based bidirectional cross-flow membrane separation combined valve device capable of realizing bidirectional cross-flow water inlet and outlet of a membrane module, which changes the traditional process design concept, improves the system utilization rate, prolongs the service life of a membrane element, reduces the replacement and cleaning frequency of the membrane element and reduces the use cost.
In order to realize the purpose, the utility model provides the following technical scheme: a two-way cross flow membrane separation combined valve device based on a ball valve comprises a raw water pump, a high-pressure pump, a circulating pump, a valve assembly and a membrane assembly, wherein the raw water pump, the high-pressure pump and the circulating pump are arranged on a membrane system membrane inlet pipeline, the valve assembly comprises a raw water membrane inlet pipeline and a membrane system concentrated water outlet pipeline, the raw water membrane inlet pipeline is divided into two paths and is provided with a first ball valve and a second ball valve in series, the membrane system concentrated water outlet pipeline is divided into two paths and is provided with a third ball valve and a fourth ball valve in series, the membrane system membrane inlet pipeline is connected to the raw water membrane inlet pipeline between the first ball valve and the second ball valve, the valve assembly further comprises a concentrated water return pipeline, one end of the concentrated water return pipeline is connected to the membrane system concentrated water outlet pipeline between the third ball valve and the fourth ball valve, the other end of the concentrated water inlet pipeline is connected to the membrane system membrane inlet pipeline between the high-pressure pump and the circulating pump, and two ends of the membrane assembly are respectively provided with an inlet pipeline and a produced water outlet pipeline, the raw water inlet pipeline is connected between the first ball valve and the third ball valve, one side of the membrane module, which is close to the produced water outlet pipeline, is provided with a concentrated water pipeline, and the concentrated water pipeline is connected between the second ball valve and the fourth ball valve.
Preferably, the first ball valve, the second ball valve, the third ball valve and the fourth ball valve have the same specification.
Preferably, the raw water pump is arranged in a main mode and a standby mode.
Compared with the prior art, the utility model has the advantages that the water flow direction of the membrane system can be changed according to real-time equipment parameters when the equipment is used, pollutants in the membrane element are timely taken out of the system at variable time, the risk of pollution and blockage of the system is greatly reduced, the cleaning frequency of the membrane system is reduced, the service cycle is prolonged, and the use cost is greatly reduced. The advantages include reduced system design limitation, improved membrane system utilization rate, energy saving, emission reduction, high efficiency and reduced cost.
Drawings
FIG. 1 is a schematic diagram of a ball valve based two-way cross-flow membrane separation combination valve device according to the present invention;
FIG. 2 is a schematic view of a valve assembly disposed throughout a water treatment system.
In the figure: 1. a raw water pump; 2. a circulation pump; 3. a valve assembly; 4. a membrane module; 5. a membrane system membrane inlet pipeline; 6. a raw water inlet membrane pipeline; 7. a membrane system concentrated water outlet pipeline; 8. a first ball valve; 9. a second ball valve; 10. a third ball valve; 11. a fourth ball valve; 12. a concentrated water return line; 13. raw water enters a pipeline; 14. the produced water flows out of the pipeline; 15. a concentrated water pipeline; 16. a high pressure pump.
Detailed Description
The utility model will be further explained with reference to the drawings.
As shown in fig. 1, a ball valve based two-way cross-flow membrane separation combined valve device comprises a raw water pump 1, a high-pressure pump 16, a circulating pump 2, a valve assembly 3 and a membrane assembly 4, wherein the raw water pump 1, the high-pressure pump 16 and the circulating pump 2 are arranged on a membrane system inlet pipeline 5, the valve assembly 3 comprises a raw water inlet pipeline 6 and a membrane system concentrated water outlet pipeline 7, the raw water inlet pipeline 6 is divided into two paths and is provided with a first ball valve 8 and a second ball valve 9 in series, the membrane system concentrated water outlet pipeline 7 is divided into two paths and is provided with a third ball valve 10 and a fourth ball valve 11 in series, the membrane system inlet pipeline 5 is connected to the raw water inlet pipeline 6 between the first ball valve 8 and the second ball valve 9, and further comprises a concentrated water return pipeline 12, one end of the concentrated water return pipeline 12 is connected to the membrane system concentrated water outlet pipeline 7 between the third ball valve 10 and the fourth ball valve 11, the other end of the membrane module 4 is connected to a membrane system inlet pipeline 5 between a high-pressure pump 16 and the circulating pump 2, two ends of the membrane module 4 are respectively provided with a raw water inlet pipeline 13 and a produced water outlet pipeline 14, the raw water inlet pipeline 13 is connected between the first ball valve 8 and the third ball valve 10, one side of the membrane module 4 close to the produced water outlet pipeline 14 is provided with a concentrated water pipeline 15, and the concentrated water pipeline 15 is connected between the second ball valve 9 and the fourth ball valve 11.
Preferably, the first ball valve 8, the second ball valve 9, the third ball valve 10 and the fourth ball valve 11 have the same specification.
Preferably, the raw water pump 1 is arranged in a main mode and a standby mode.
According to the scheme, referring to the attached drawing 2, two ends of a membrane element are respectively defined as an end A and an end B, if sewage is required to be sent from the end A to the end B, a first ball valve 8 and a fourth ball valve 11 are opened, a second ball valve 9 and a third ball valve 10 are closed, so that the sewage enters a water inlet pipeline from a raw water pump 1 and a circulating pump 2 of a membrane inlet pipeline 5 of a membrane system and flows into a membrane component 4 from the fourth ball valve 11, and concentrated water flows back to a concentrated water return pipeline 12 from the fourth ball valve 11 through a concentrated water pipeline 15, and the sewage is sent from the end A to the end B. If the sewage needs to be sent from the end B to the end A, the second ball valve 9 and the third ball valve 10 are opened, and the first ball valve 8 and the fourth ball valve 11 are closed, so that the sewage enters the water inlet pipeline from the raw water pump 1 and the circulating pump 2 of the membrane system membrane inlet pipeline 5, flows into the end B of the membrane module 4 from the second ball valve 9 and the concentrated water pipeline 15, and flows to the circulating pump 2 through the membrane system membrane inlet pipeline 5, the third ball valve 10 and the concentrated water return pipeline 12 of the membrane module 4, and the sewage is sent from the end B to the end A.
After the working principle of the membrane system in the system design realizes the scheme, the water inlet flow direction of the membrane system can be adjusted along with the pressure and water production changes when the membrane system is actually used in the equipment using process, the pollutants in the membrane element are timely taken out of the system at random, the risk of pollution and blockage of the system is greatly reduced, the cleaning frequency of the membrane system is reduced, the service cycle is prolonged, and the rated use cost is greatly reduced. The advantages include reduced system design limitation, improved membrane system utilization rate, energy saving, emission reduction, high efficiency and reduced cost.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (3)
1. The utility model provides a two-way cross-flow membrane separation combination valving which characterized in that based on ball valve: the membrane system comprises a raw water pump, a high-pressure pump, a circulating pump, a valve assembly and a membrane assembly, wherein the raw water pump, the high-pressure pump and the circulating pump are arranged on a membrane system membrane inlet pipeline, the valve assembly comprises a raw water membrane inlet pipeline and a membrane system concentrated water outlet pipeline, the raw water membrane inlet pipeline is divided into two paths and is connected with a first ball valve and a second ball valve in series, the membrane system concentrated water outlet pipeline is divided into two paths and is connected with a third ball valve and a fourth ball valve in series, the membrane system membrane inlet pipeline is connected to the raw water membrane inlet pipeline between the first ball valve and the second ball valve, the membrane system further comprises a concentrated water return pipeline, one end of the concentrated water return pipeline is connected to the membrane system concentrated water outlet pipeline between the third ball valve and the fourth ball valve, the other end of the concentrated water return pipeline is connected to the membrane system membrane inlet pipeline between the high-pressure pump and the circulating pump, and two ends of the membrane assembly are respectively provided with a raw water inlet pipeline and a produced water outlet pipeline, the raw water inlet pipeline is connected between the first ball valve and the third ball valve, one side of the membrane module, which is close to the produced water outlet pipeline, is provided with a concentrated water pipeline, and the concentrated water pipeline is connected between the second ball valve and the fourth ball valve.
2. The ball valve based two-way cross-flow membrane separation combination valve device of claim 1, wherein: the first ball valve, the second ball valve, the third ball valve and the fourth ball valve are identical in specification.
3. The ball valve based two-way cross-flow membrane separation combination valve device of claim 1, wherein: the raw water pump is arranged in a main mode and a standby mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123456289.2U CN216662565U (en) | 2021-12-31 | 2021-12-31 | Bidirectional cross flow membrane separation combined valve device based on ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123456289.2U CN216662565U (en) | 2021-12-31 | 2021-12-31 | Bidirectional cross flow membrane separation combined valve device based on ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216662565U true CN216662565U (en) | 2022-06-03 |
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ID=81760556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123456289.2U Active CN216662565U (en) | 2021-12-31 | 2021-12-31 | Bidirectional cross flow membrane separation combined valve device based on ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216662565U (en) |
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2021
- 2021-12-31 CN CN202123456289.2U patent/CN216662565U/en active Active
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