CN219942411U - Quick analogue means of pressure ultrafiltration/microfiltration membrane subassembly life - Google Patents
Quick analogue means of pressure ultrafiltration/microfiltration membrane subassembly life Download PDFInfo
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- CN219942411U CN219942411U CN202320109508.XU CN202320109508U CN219942411U CN 219942411 U CN219942411 U CN 219942411U CN 202320109508 U CN202320109508 U CN 202320109508U CN 219942411 U CN219942411 U CN 219942411U
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- water
- valve
- water inlet
- pipe
- membrane assembly
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- 239000012528 membrane Substances 0.000 title claims abstract description 79
- 238000001471 micro-filtration Methods 0.000 title claims abstract description 21
- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 185
- 238000005201 scrubbing Methods 0.000 claims abstract description 44
- 238000011010 flushing procedure Methods 0.000 claims abstract description 35
- 238000001914 filtration Methods 0.000 claims abstract description 33
- 238000012360 testing method Methods 0.000 claims abstract description 20
- 230000001105 regulatory effect Effects 0.000 claims description 33
- 238000004088 simulation Methods 0.000 claims description 13
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 12
- 238000012827 research and development Methods 0.000 abstract description 6
- 238000005406 washing Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 21
- 239000000126 substance Substances 0.000 description 4
- 238000011001 backwashing Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000012510 hollow fiber Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000003426 chemical strengthening reaction Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 description 1
Classifications
-
- 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
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to a quick simulator for the service life of a pressure ultrafiltration/microfiltration membrane assembly, which comprises a test water tank, a membrane assembly to be tested, a water inlet pipeline, a water outlet pipeline, a filtering water pipeline, a back flushing water inlet pipeline, a back flushing water washing pipeline and an air scrubbing pipeline. Compared with the prior art, the utility model can comprehensively simulate the use condition of the pressure UF/MF membrane component through the cooperation between different valves in the device: the process of forward flushing, running (filtering), back flushing, air scrubbing and the like can effectively judge the executability of the research and development results, and greatly helps to shorten the research and development time, so that the method has a relatively broad application prospect.
Description
Technical Field
The utility model belongs to the technical field of water treatment, and relates to a rapid simulation device for the service life of a pressure ultrafiltration/microfiltration membrane component.
Background
The pressure ultrafiltration or microfiltration (UF/MF) membrane module refers to a combined component formed by assembling UF/MF hollow fiber membranes and connectors according to certain technical requirements. UF/MF membrane modules are classified into internal pressure (instroout) and external pressure (outidetin) types. The UF/MF membrane component can effectively filter out harmful substances such as rust, particles, bacteria, partial viruses (UF), colloid, partial organic matters and the like in water, keep the pH value of the effluent unchanged, and dissolve oxygen water and trace mineral substances required by human bodies in the water. The pressure UF/MF process has the advantages of high system recovery rate, small occupied area, no need of newly built membrane pool, convenient installation and use, and the like, and is widely applied.
UF/MF membrane modules can generally be used for 3 years, and the actual service life can reach 5-7 years under the condition of proper maintenance. In the research and development stage of the membrane materials and components, if the service life of the membrane components can be rapidly evaluated, the executability of research and development results can be effectively judged, and the development cycle is greatly shortened.
Disclosure of Invention
The utility model aims to provide a rapid simulation device for the service life of a pressure ultrafiltration/microfiltration membrane component.
The aim of the utility model can be achieved by the following technical scheme:
a rapid simulator for service life of pressure ultrafiltration/microfiltration membrane component comprises
Testing the water tank and the membrane component to be tested;
the water inlet pipeline comprises a water inlet pipe communicated with the inlet of the membrane module to be tested, and a water inlet pump and a water inlet valve which are sequentially arranged on the water inlet pipe along the flowing direction of the test water;
the water outlet pipeline comprises a water return pipe arranged between the outlet of the membrane module to be tested and the test water tank, and a positive flushing valve arranged on the water return pipe;
the filtering water pipeline comprises a filtering water outlet pipe arranged between the outlet of the membrane component to be tested and the testing water tank, and a filtering water outlet valve arranged on the filtering water outlet pipe;
the back flush water inlet pipeline comprises a back flush water inlet pipe, a back flush water inlet valve and a back flush water inlet valve, wherein the water inlet end of the back flush water inlet pipe is connected between a water inlet pump and a water inlet valve, the water outlet end of the back flush water inlet pipe is connected between a filtering water outlet valve and an outlet of a membrane assembly to be tested, and the back flush water inlet valve is arranged on the back flush water inlet pipe;
the back flushing water pipeline comprises a back flushing water return pipe arranged between the inlet of the membrane module to be tested and the test water tank, and a back flushing water return valve arranged on the back flushing water return pipe; and
the gas scrubbing pipeline comprises a scrubbing gas tank and a gas scrubbing valve connected between the scrubbing gas tank and an inlet of the membrane assembly to be detected.
Further, the device also comprises a circulating water return pipe with one end connected between the water inlet pump and the water inlet valve and the other end connected with the test water tank, and a circulating water return valve arranged on the circulating water return pipe.
Further, the water inlet valve, the positive flushing valve, the filtering water valve, the back flushing water valve and the air scrubbing valve are all pneumatic valves.
Further, a pressure release valve is arranged between the scrubbing air tank and the gas scrubbing valve.
Further, a one-way valve is arranged between the gas scrubbing valve and the membrane component to be detected.
Further, the membrane module to be tested comprises a single membrane module.
Further, the membrane module to be tested comprises at least 2 membrane modules which are arranged in parallel.
Further, the water inlet pipe is also provided with a water inlet flow regulating valve; the back flush return water pipe is also provided with a back flush return water flow regulating valve; the filtering water outlet pipe is also provided with a filtering water outlet flow regulating valve; and an inlet flow regulating valve and an outlet flow regulating valve are respectively arranged at the inlet and the outlet of the membrane component to be tested.
Further, the water inlet flow regulating valve, the back flushing backwater flow regulating valve, the filtered water outlet flow regulating valve, the inlet flow regulating valve and the outlet flow regulating valve are all ball valves.
Further, the water inlet pipe and the back flushing water inlet pipe are respectively provided with a water inlet pressure sensor, and an air inlet pressure sensor is arranged between the scrubbing air tank and the air scrubbing valve.
Compared with the prior art, the utility model has the following characteristics:
the utility model provides a rapid simulation device for the service life of a pressure ultrafiltration/microfiltration membrane component, which can comprehensively simulate the service condition of the pressure UF/MF membrane component through the cooperation of different valves in the device: the method has the advantages that the performances of the UF/MF membrane component such as service life and wire breakage rate, sealing material (epoxy resin and polyurethane resin) service life, pressure vessel (UPVC) service life, sealing material, fiber and pressure vessel tightness and the like are obtained rapidly through the processes of forward flushing, running (filtering), back flushing, gas scrubbing and the like, the executability of research and development results can be effectively judged, and the method is helpful for shortening research and development time, so that the method has a wide application prospect.
Drawings
FIG. 1 is a schematic diagram of a device for rapidly simulating the service life of a pressure ultrafiltration/microfiltration membrane assembly according to an embodiment;
the figure indicates:
the device comprises a 1-test water tank, a 2-membrane component to be tested, a 3-water inlet pump, a 4-water inlet valve, a 5-positive flushing valve, a 6-filtering water valve, a 7-back flushing water inlet valve, an 8-back flushing water return valve, a 9-scrubbing air tank, a 10-gas scrubbing valve, a 11-circulating water return valve, a 12-water inlet flow regulating valve, a 13-back flushing water return flow regulating valve, a 14-filtering water outlet flow regulating valve and a 15-pressure relief valve.
Detailed Description
The utility model will now be described in detail with reference to the drawings and specific examples. The present embodiment is implemented on the premise of the technical scheme of the present utility model, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present utility model is not limited to the following examples.
Examples:
the rapid simulation device for the service life of the pressure ultrafiltration/microfiltration membrane assembly shown in fig. 1 comprises a test water tank 1, a membrane assembly to be tested 2, a water inlet pipeline, a water outlet pipeline, a filtering water outlet pipeline, a back flushing water inlet pipeline, a back flushing water outlet pipeline, a gas scrubbing pipeline and a circulating water return pipeline.
The water inlet pipeline comprises a water inlet pipe communicated with the inlet of the membrane module 2 to be tested, and a water inlet pump 3 and a water inlet valve 4 which are sequentially arranged on the water inlet pipe along the flowing direction of the test water; the water outlet pipeline comprises a water return pipe arranged between the outlet of the membrane module 2 to be tested and the test water tank 1, and a positive flushing valve 5 arranged on the water return pipe; the filtering water outlet pipeline comprises a filtering water outlet pipe arranged between the outlet of the membrane component 2 to be tested and the testing water tank 1, and a filtering water outlet valve 6 arranged on the filtering water outlet pipe; the back flush water inlet pipeline comprises a back flush water inlet pipe, a back flush water inlet valve 7 and a back flush water inlet valve, wherein the water inlet end of the back flush water inlet pipe is connected between the water inlet pump 3 and the water inlet valve 4, the water outlet end of the back flush water inlet pipe is connected between the filtering water outlet valve 6 and the outlet of the membrane assembly 2 to be tested; the backflushing water pipeline comprises a backflushing water return pipe arranged between the inlet of the membrane module 2 to be tested and the test water tank 1, and a backflushing water return valve 8 arranged on the backflushing water return pipe; the gas scrubbing pipeline comprises a scrubbing gas tank 9 and a gas scrubbing valve 10 connected between the scrubbing gas tank 9 and the inlet of the membrane assembly 2 to be detected; the circulating water return pipeline comprises a circulating water return pipe with one end connected between the water inlet pump 3 and the water inlet valve 4 and the other end connected with the test water tank 1, and a circulating water return valve 11 arranged on the circulating water return pipe.
In the pressure UF/MF filtration process, the steps of forward flushing, running (filtration), backwashing, gas scrubbing, chemically enhanced backwashing, chemical cleaning, etc. are typically repeated. The forward flushing, running (filtering), gas scrubbing, back flushing and chemical strengthening back flushing can be automatically realized through a PLC system, and the chemical cleaning is required to be performed off-line. Thus, the pressure UF/MF running process is summarized, including forward flushing, running (filtering), back flushing, gas scrubbing. The embodiment is based on the operation process, and the device is adopted to quickly simulate the service life of the pressure ultrafiltration/microfiltration membrane component. The specific operation modes are shown in table 1.
TABLE 1
Wherein, the valve configuration: x-off, O-on;
the positive flushing is only limited to the first starting after the first starting and the shutdown, and lasts for 20-60 seconds;
the membrane module operates to filter for a maximum proportion of one cycle, typically 30-60 minutes. In steady operation, raw water flows from one side to the other side through the hollow fiber membrane section. The filtering process can be simulated for 30-60 minutes in 5-10 seconds;
after the membrane component filters for 30-60 minutes, air scrubbing is carried out to clean pollutants on the outer surface of the membrane. It will last for 30-60 seconds. For internal pressure type pressure UF/MF membrane modules, there may be no gas scrubbing step;
the gas scrubbing is followed by a backwash procedure (internal pressure type pressure UF/MF membrane modules do not require gas scrubbing, direct backwash), typically requiring 30-60 seconds to further clean the internal contaminants.
In some specific embodiments, the inlet valve 4, the positive flush valve 5, the filtered outlet valve 6, the backwash inlet valve 7, the backwash water return valve 8, and the gas scrubbing valve 10 are all pneumatic valves.
In some specific embodiments, a pressure release valve 15 is further arranged between the scrubbing air tank 9 and the air scrubbing valve 10, so as to avoid damage to downstream equipment, particularly the membrane assembly 2 to be tested, caused by excessive exhaust pressure of the scrubbing air tank 9.
In some specific embodiments, a one-way valve is also provided between the gas scrubbing valve 10 and the membrane assembly 2 to be tested.
In some specific embodiments, the membrane module 2 to be tested comprises a single membrane module, or at least 2 membrane modules arranged in parallel, and by arranging a plurality of membrane modules in parallel, the experimental efficiency is improved.
In some specific embodiments, the water inlet pipe is also provided with a water inlet flow regulating valve 12; the backwash backwater pipe is also provided with a backwash backwater flow regulating valve 13; the filtering water outlet pipe is also provided with a filtering water outlet flow regulating valve 14; an inlet flow regulating valve and an outlet flow regulating valve are respectively arranged at the inlet and the outlet of the membrane component 2 to be tested.
In some specific embodiments, the inlet water flow regulating valve 12, the backwash backwater flow regulating valve 13, the filtered water flow regulating valve 14, the inlet flow regulating valve and the outlet flow regulating valve are all ball valves.
In some specific embodiments, the water inlet pipe and the back flushing water inlet pipe are respectively provided with a water inlet pressure sensor, and an air inlet pressure sensor is also arranged between the scrubbing air tank 9 and the air scrubbing valve 10.
The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present utility model. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present utility model is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present utility model.
Claims (10)
1. The utility model provides a quick analogue means of pressure ultrafiltration/microfiltration membrane subassembly life which characterized in that includes
The test water tank (1) and the membrane component (2) to be tested;
the water inlet pipeline comprises a water inlet pipe communicated with the inlet of the membrane component (2) to be tested, and a water inlet pump (3) and a water inlet valve (4) which are sequentially arranged on the water inlet pipe along the flowing direction of the test water;
the water outlet pipeline comprises a water return pipe arranged between the outlet of the membrane component (2) to be tested and the test water tank (1), and a positive flushing valve (5) arranged on the water return pipe;
the filtering water pipeline comprises a filtering water outlet pipe arranged between the outlet of the membrane component (2) to be tested and the test water tank (1), and a filtering water outlet valve (6) arranged on the filtering water outlet pipe;
the back flush water inlet pipeline comprises a back flush water inlet pipe, a back flush water inlet valve and a back flush water inlet valve, wherein the water inlet end of the back flush water inlet pipe is connected between a water inlet pump (3) and a water inlet valve (4), the water outlet end of the back flush water inlet pipe is connected between a filtering water outlet valve (6) and an outlet of a membrane assembly (2) to be tested, and the back flush water inlet valve (7) is arranged on the back flush water inlet pipe;
the backflushing water pipeline comprises a backflushing water return pipe arranged between the inlet of the membrane component (2) to be tested and the test water tank (1), and a backflushing water return valve (8) arranged on the backflushing water return pipe; and
the gas scrubbing pipeline comprises a scrubbing gas tank (9) and a gas scrubbing valve (10) connected between the scrubbing gas tank (9) and an inlet of the membrane assembly (2) to be detected.
2. The rapid simulation device for the service life of the pressure ultrafiltration/microfiltration membrane assembly according to claim 1, further comprising a circulating water return pipe with one end connected between the water inlet pump (3) and the water inlet valve (4) and the other end connected with the test water tank (1), and a circulating water return valve (11) arranged on the circulating water return pipe.
3. The rapid simulation device for the service life of the pressure ultrafiltration/microfiltration membrane assembly according to claim 1, wherein the water inlet valve (4), the positive flushing valve (5), the filtered water outlet valve (6), the back flushing water inlet valve (7), the back flushing water return valve (8) and the air scrubbing valve (10) are all pneumatic valves.
4. The rapid simulation device for the service life of the pressure ultrafiltration/microfiltration membrane assembly according to claim 1, wherein a pressure release valve (15) is further arranged between the scrubbing air tank (9) and the air scrubbing valve (10).
5. The rapid simulation device for the service life of the pressure ultrafiltration/microfiltration membrane assembly according to claim 1, wherein a one-way valve () is further arranged between the gas scrubbing valve (10) and the membrane assembly (2) to be tested.
6. The rapid simulation device for the service life of a pressure ultrafiltration/microfiltration membrane assembly according to claim 1, wherein the membrane assembly (2) to be tested comprises a single membrane assembly.
7. The rapid simulation device for service life of pressure ultrafiltration/microfiltration membrane assembly according to claim 1, wherein the membrane assembly (2) to be tested comprises at least 2 membrane assemblies arranged in parallel.
8. The rapid simulation device for the service life of the pressure ultrafiltration/microfiltration membrane assembly according to claim 1, wherein the water inlet pipe is further provided with a water inlet flow regulating valve (12); the back flush return water pipe is also provided with a back flush return water flow regulating valve (13); the filtering water outlet pipe is also provided with a filtering water outlet flow regulating valve (14); the inlet and the outlet of the membrane component (2) to be tested are respectively provided with an inlet flow regulating valve and an outlet flow regulating valve.
9. The rapid simulation device for the service life of the pressure ultrafiltration/microfiltration membrane assembly according to claim 8, wherein the inflow water flow regulating valve (12), the backwash backwater flow regulating valve (13), the filtered outflow water flow regulating valve (14), the inlet flow regulating valve and the outlet flow regulating valve are all ball valves.
10. The rapid simulation device for the service life of the pressure ultrafiltration/microfiltration membrane assembly according to claim 1, wherein the water inlet pipe and the back flushing water inlet pipe are respectively provided with a water inlet pressure sensor, and an air inlet pressure sensor is further arranged between the scrubbing air tank (9) and the air scrubbing valve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320109508.XU CN219942411U (en) | 2023-01-16 | 2023-01-16 | Quick analogue means of pressure ultrafiltration/microfiltration membrane subassembly life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320109508.XU CN219942411U (en) | 2023-01-16 | 2023-01-16 | Quick analogue means of pressure ultrafiltration/microfiltration membrane subassembly life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219942411U true CN219942411U (en) | 2023-11-03 |
Family
ID=88550074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320109508.XU Active CN219942411U (en) | 2023-01-16 | 2023-01-16 | Quick analogue means of pressure ultrafiltration/microfiltration membrane subassembly life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219942411U (en) |
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2023
- 2023-01-16 CN CN202320109508.XU patent/CN219942411U/en active Active
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