CN112569798B - Quick detection device of hollow fiber membrane - Google Patents
Quick detection device of hollow fiber membrane Download PDFInfo
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- CN112569798B CN112569798B CN202011588905.7A CN202011588905A CN112569798B CN 112569798 B CN112569798 B CN 112569798B CN 202011588905 A CN202011588905 A CN 202011588905A CN 112569798 B CN112569798 B CN 112569798B
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- water inlet
- hollow fiber
- pure water
- fiber membrane
- buffer tank
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/10—Testing of membranes or membrane apparatus; Detecting or repairing leaks
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention relates to the field of hollow fiber membrane detection, in particular to a rapid detection device for a hollow fiber membrane. The quick detection device of hollow fiber membrane includes: the device comprises a water inlet unit, a voltage stabilizing unit and a testing unit; the water inlet unit comprises: the pure water storage barrel is connected with the pure water storage barrel through a pure water inlet valve; the voltage stabilizing unit includes: a water inlet pressure buffer tank and a pressure buffer tank exhaust valve; the test unit comprises: the device comprises a water inlet pressure gauge, a fast-assembling tee joint, a pipeline exhaust valve, a component to be detected, a beaker and an electronic balance. The invention can realize the rapid detection of the hollow fiber membrane, saves a great amount of measurement time, and improves the accuracy of the measurement result.
Description
Technical Field
The invention relates to the field of hollow fiber membrane detection, in particular to a rapid detection device for a hollow fiber membrane.
Background
The existing method for detecting the hollow fiber membrane is usually that a peristaltic pump is used for pumping water and then passing through a membrane wire after a pressure gauge, and the peristaltic pump is adopted, so that the problem of inaccurate test results caused by pressure pulse fluctuation exists; meanwhile, the existing to-be-detected assembly is generally manufactured by a method for opening a plastic mould glue injection assembly shell, the method is high in cost, the packaging process is complex and takes a long time, water is connected to test, the flow of water passing through the membrane under unit membrane area unit pressure is obtained, the flux is calculated, and the method is relatively slow in data result.
Disclosure of Invention
The invention provides a device for rapidly detecting a hollow fiber membrane, which can realize the purpose of rapidly detecting the hollow fiber membrane. The invention realizes the aim through the following technical scheme:
a hollow fiber membrane rapid detection device, comprising: the device comprises a water inlet unit, a voltage stabilizing unit and a testing unit;
the water inlet unit comprises: the pure water storage barrel is connected with the pure water storage barrel through a pure water inlet valve;
one side of the pure water storage barrel is provided with a pure water supplementing valve, and the pure water supplementing valve extends into the pure water storage barrel through a pipeline; the other side of the water inlet pump rear reflux valve is provided with a water inlet pump rear reflux valve which extends into the pure water storage barrel through a pipeline;
the voltage stabilizing unit includes: a water inlet pressure buffer tank and a pressure buffer tank exhaust valve;
the water inlet pressure buffer tank is positioned at one side of the pure water storage barrel, and a water inlet pump is connected between the water inlet pressure buffer tank and the pure water storage barrel; the exhaust valve of the pressure buffer tank is connected to the top of the water inlet pressure buffer tank;
the test unit comprises: a water inlet pressure gauge, a quick-mounting tee joint, a pipeline exhaust valve, a component to be detected, a beaker and an electronic balance;
the fast-assembling tee joint is connected with the water inlet pressure buffer tank through a pipeline; the pipeline exhaust valve is connected to one port of the quick-mounting tee joint; the electronic balance is positioned below the quick-mounting tee joint; the beaker is placed on an electronic balance;
the component to be inspected comprises: a transparent shell, a hollow fiber membrane and a sealant; the top of the transparent shell is provided with a mounting port, and the mounting port is connected with the bottom port of the quick-mounting tee joint; the bottom of the component to be detected is positioned in the beaker.
According to one embodiment of the invention, the transparent shell adopts a PU hose with the outer diameter of 6-12 mm; the hollow fiber membranes are folded into U-shaped and arranged in the transparent shell, each hollow fiber membrane consists of 2-4 membrane wires, and the outer diameter of each hollow fiber membrane is 0.5-2.0mm; the sealant fixes the bottom of each hollow fiber membrane with the transparent shell; the hollow fiber membrane is sealed and then is cut to expose the inner cavity of the hollow fiber membrane, and pure water is converged into the inner cavity of the hollow fiber membrane from the outer side of the hollow fiber membrane to form permeable water.
According to one embodiment of the invention, the sealant is provided as a hot melt adhesive or a flash adhesive.
According to one embodiment of the invention, the component to be inspected is connected with the quick tee through a direct socket or a hose
The invention has the following beneficial effects:
the invention can realize the rapid detection of the hollow fiber membrane, saves a great amount of measurement time, and improves the accuracy of the measurement result.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a structural view of the component under inspection of the present invention.
Detailed Description
Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those having ordinary skill in the art to which the invention pertains will readily implement the embodiments. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In addition, for the purpose of more clearly describing the present invention, parts not connected to the present invention will be omitted from the drawings.
A hollow fiber membrane rapid detection device, comprising: the device comprises a water inlet unit, a voltage stabilizing unit and a testing unit;
as shown in fig. 1, the water inlet unit includes: the pure water storage tank comprises a pure water supplementing valve 1, a pure water storage barrel 2, a water inlet pump 3 and a water inlet pump rear reflux valve 4;
one side of the pure water storage barrel 2 is provided with a pure water supplementing valve 1, and the pure water supplementing valve 1 extends into the pure water storage barrel 2 through a pipeline; the other side of the water inlet pump rear reflux valve 4 is provided with a water inlet pump rear reflux valve 4, and the water inlet pump rear reflux valve 4 extends into the pure water storage barrel 2 through a pipeline;
the voltage stabilizing unit includes: a water inlet pressure buffer tank 5 and a pressure buffer tank exhaust valve 6;
the water inlet pressure buffer tank 5 is positioned at one side of the pure water storage barrel 2, and a water inlet pump 3 is connected between the water inlet pressure buffer tank and the pure water storage barrel, and the water inlet pump 3 is used for pumping pure water in the pure water supplementing valve 1 into the water inlet pressure buffer tank 5; the pressure buffer tank exhaust valve 6 is connected to the top of the water inlet pressure buffer tank 5;
the test unit comprises: a water inlet pressure gauge 7, a quick tee joint 8, a pipeline exhaust valve 9, a component to be detected 10, a beaker 11 and an electronic balance 12;
the fast-assembling tee joint 8 is connected with the water inlet pressure buffer tank 5 through a pipeline; the pipeline exhaust valve 9 is connected to one port of the quick tee 8; the electronic balance 12 is positioned below the quick tee 8; the beaker 11 is placed on an electronic balance 12;
as shown in fig. 2, the test assembly 10 includes: a transparent case 101, a hollow fiber membrane 102, and a sealant 103; the top of the transparent shell 101 is provided with a mounting port 1011, and the mounting port 1011 is connected with the bottom port of the quick tee 8; the bottom of the component to be inspected 10 is located in a beaker 11.
Further, as shown in fig. 2, the transparent shell 101 is a PU hose with an outer diameter of 6-12 mm; the hollow fiber membranes 102 are folded into U-shaped and arranged in the transparent shell 101, each hollow fiber membrane 102 consists of 2-4 membrane wires, and the outer diameter of the hollow fiber membrane is 0.5-2.0mm; the sealant 103 fixes the bottom of each hollow fiber membrane 102 with the transparent casing 101; the hollow fiber membrane 102 is sealed and then cut to expose the inner cavity, and pure water is collected from the outer permeable membrane of the hollow fiber membrane 102 into the inner cavity of the membrane to become permeable water.
Further, the sealant 103 is provided as a hot melt adhesive or a flash adhesive.
Further, the to-be-detected assembly 10 is connected with the quick-mounting tee joint 8 through a direct socket joint or a hose, and is used for realizing quick connection.
Working principle:
firstly, opening a pure water supplementing valve 1 to fill pure water into a pure water storage barrel 2; next, filling the water inlet pressure buffer tank 5 through the water inlet pump 3, and opening the pressure buffer tank exhaust valve 6 and the pipeline exhaust valve 9; next, manufacturing a component to be detected 10 and finishing air tightness detection, wherein the component to be detected 10 is filled with pure water and is installed together with the quick tee 8; next, starting the water inlet pump 3 and slowly adjusting the water inlet pump rear reflux valve 4; next, closing the buffer tank exhaust valve 6 and the pipeline exhaust valve 9 after the water inlet pressure buffer tank 5 and the pipeline exhaust valve 9 are exhausted; next, the water inlet pump is regulated again, and then the reflux valve 4 stabilizes the water inlet pressure gauge 7 at a set value; finally, the water penetration weight of the component 10 to be inspected in a unit time is counted and weighed, so that the pure water flux of the component 10 to be inspected is evaluated.
In the description of the invention, it should be specifically noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" as used herein are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art in a specific case.
Claims (1)
1. A hollow fiber membrane rapid detection device, comprising: the device comprises a water inlet unit, a voltage stabilizing unit and a testing unit;
the method is characterized in that: the water inlet unit comprises: the pure water storage tank comprises a pure water supplementing valve (1), a pure water storage barrel (2), a water inlet pump (3) and a water inlet pump rear reflux valve (4);
one side of the pure water storage barrel (2) is provided with a pure water supplementing valve (1), and the pure water supplementing valve (1) extends into the pure water storage barrel (2) through a pipeline; the other side of the water inlet pump rear reflux valve (4) is provided with a water inlet pump rear reflux valve (4), and the water inlet pump rear reflux valve (4) extends into the pure water storage barrel (2) through a pipeline;
the voltage stabilizing unit includes: a water inlet pressure buffer tank (5) and a pressure buffer tank exhaust valve (6);
the water inlet pressure buffer tank (5) is positioned at one side of the pure water storage barrel (2), and a water inlet pump (3) is connected between the water inlet pressure buffer tank and the pure water storage barrel; the exhaust valve (6) of the pressure buffer tank is connected to the top of the water inlet pressure buffer tank (5);
the test unit comprises: the device comprises a water inlet pressure gauge (7), a quick tee joint (8), a pipeline exhaust valve (9), a component to be detected (10), a beaker (11) and an electronic balance (12);
the fast-assembling tee joint (8) is connected with the water inlet pressure buffer tank (5) through a pipeline; the pipeline exhaust valve (9) is connected to one port of the quick-mounting tee joint (8); the electronic balance (12) is positioned below the quick tee (8); the beaker (11) is placed on an electronic balance (12);
the component (10) to be inspected comprises: a transparent housing (101), a hollow fiber membrane (102) and a sealant (103); the top of the transparent shell (101) is provided with a mounting port (1011), and the mounting port (1011) is connected with the bottom port of the quick tee (8); the bottom of the component to be detected (10) is positioned in the beaker (11), and the transparent shell (101) adopts a PU hose with the outer diameter of 6-12 mm; the hollow fiber membranes (102) are folded into U-shaped and arranged in the transparent shell (101), each hollow fiber membrane (102) consists of 2-4 membrane wires, and the outer diameter of the hollow fiber membrane is 0.5-2.0mm; the sealant (103) fixes the bottom of each hollow fiber membrane (102) and the transparent shell (101) together; the hollow fiber membrane (102) is sealed and then is exposed out of the inner cavity through cutting, pure water is permeated into the inner cavity of the membrane from the outer side of the hollow fiber membrane (102) to form permeated water, the sealant (103) is set to be hot melt adhesive or instant dry adhesive, and the component to be detected (10) is connected with the fast-assembling tee joint (8) through a direct socket joint or a hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011588905.7A CN112569798B (en) | 2020-12-29 | 2020-12-29 | Quick detection device of hollow fiber membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011588905.7A CN112569798B (en) | 2020-12-29 | 2020-12-29 | Quick detection device of hollow fiber membrane |
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| Publication Number | Publication Date |
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| CN112569798A CN112569798A (en) | 2021-03-30 |
| CN112569798B true CN112569798B (en) | 2023-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011588905.7A Active CN112569798B (en) | 2020-12-29 | 2020-12-29 | Quick detection device of hollow fiber membrane |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100390768B1 (en) * | 2001-05-08 | 2003-07-12 | 한국과학기술연구원 | Equipment and method of bulk streaming potential measurement for the electrokinetic characterization of hollow-fiber membranes |
| CN101957304A (en) * | 2010-09-30 | 2011-01-26 | 北京碧水源科技股份有限公司 | Measuring device of clear water flux of hollow-fiber membrane and method for measuring clear water flux of hollow-fiber membrane by using measuring device |
| CN102407078A (en) * | 2011-10-13 | 2012-04-11 | 天津工业大学 | Hollow fiber membrane filter performance testing device |
| CN203389541U (en) * | 2013-07-12 | 2014-01-15 | 三达膜环境技术股份有限公司 | Hollow fibrous membrane wire testing device |
| CN103611423B (en) * | 2013-12-11 | 2015-08-19 | 株洲时代新材料科技股份有限公司 | A kind of water flux of hollow-fibre membrane and rejection testing arrangement |
| CN204233981U (en) * | 2014-11-14 | 2015-04-01 | 珠海格力电器股份有限公司 | Hollow fiber film thread apparatus for placing and film silk performance testing device |
| CN204522777U (en) * | 2015-03-11 | 2015-08-05 | 湖南澳维环保科技有限公司 | A kind of hollow fiber film thread water flux on-line measuring device |
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