CN112569798A - Quick detection device of hollow fiber membrane - Google Patents
Quick detection device of hollow fiber membrane Download PDFInfo
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- CN112569798A CN112569798A CN202011588905.7A CN202011588905A CN112569798A CN 112569798 A CN112569798 A CN 112569798A CN 202011588905 A CN202011588905 A CN 202011588905A CN 112569798 A CN112569798 A CN 112569798A
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- water inlet
- hollow fiber
- fiber membrane
- pure water
- 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 hollow fiber membrane rapid detection device. The hollow fiber membrane rapid detection device comprises: the device comprises a water inlet unit, a pressure stabilizing unit and a testing unit; the water inlet unit comprises: a pure water replenishing valve, a pure water storage barrel, a water inlet pump and a water inlet pump back reflux valve; the voltage stabilization unit includes: the water inlet pressure buffer tank and the pressure buffer tank exhaust valve; the test unit includes: the system comprises a water inlet pressure gauge, a quick-assembly 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, save a large amount of measuring time and improve the accuracy of the measuring result.
Description
Technical Field
The invention relates to the field of hollow fiber membrane detection, in particular to a hollow fiber membrane rapid detection device.
Background
The existing detection method for the hollow fiber membrane generally comprises the steps that a peristaltic pump is used for pumping water and connecting a pressure gauge with a membrane wire, and the peristaltic pump is adopted, so that the problem of inaccurate test result caused by pressure pulse type fluctuation exists; meanwhile, the existing module to be detected generally adopts a method for opening a plastic mold to glue the module shell, the method is high in cost, complex in packaging process and long in time consumption, water receiving test is carried out to obtain the flow of water passing through the membrane under unit membrane area and unit pressure, flux is calculated, and the data result obtained by the method is relatively slow.
Disclosure of Invention
The invention provides a hollow fiber membrane rapid detection device, which achieves the purpose of rapidly detecting a hollow fiber membrane. The invention realizes the aim through the following technical scheme:
a hollow fiber membrane rapid detection device comprises: the device comprises a water inlet unit, a pressure stabilizing unit and a testing unit;
the water inlet unit comprises: a pure water replenishing valve, a pure water storage barrel, a water inlet pump and a water inlet pump back reflux valve;
a pure water replenishing valve is arranged on one side of the pure water storage barrel and extends into the pure water storage barrel through a pipeline; a water inlet pump rear backflow valve is arranged on the other side of the water inlet pump rear backflow valve and extends into the pure water storage barrel through a pipeline;
the voltage stabilization unit includes: the water inlet pressure buffer tank and the 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 includes: the system 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 quick-assembling tee joint is connected with a water inlet pressure buffer tank through a pipeline; the pipeline exhaust valve is connected to one port of the quick tee; the electronic balance is positioned below the quick-mounting tee joint; the beaker is placed on an electronic balance;
the subassembly of waiting to examine includes: 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 a 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 a U shape and arranged in the transparent shell, each hollow fiber membrane consists of 2-4 membrane filaments, and the outer diameter of each hollow fiber membrane is 0.5-2.0 mm; the sealant fixes the bottom of each hollow fiber membrane and the transparent shell together; the hollow fiber membrane is sealed, the inner cavity of the hollow fiber membrane is exposed by cutting, and pure water is converged into the inner cavity of the hollow fiber membrane from the permeable membrane at the outer side of the hollow fiber membrane to form permeable water.
According to one embodiment of the invention, the sealing glue is provided as a hot melt glue or as an instant glue.
According to one embodiment of the invention, the assembly to be tested is connected to the quick tee by means of a direct socket or hose connection
The invention has the following beneficial effects:
the invention can realize the rapid detection of the hollow fiber membrane, save a large amount of measuring time and improve the accuracy of the measuring result.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a structural view of the assembly to be inspected 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 embodiments can be easily implemented by those having ordinary skill in the art to which the present invention pertains. However, the present invention may be embodied in many different forms and is not limited to the embodiments described below. In addition, in order to more clearly describe the present invention, components not connected to the present invention will be omitted from the drawings.
A hollow fiber membrane rapid detection device comprises: the device comprises a water inlet unit, a pressure stabilizing unit and a testing unit;
as shown in fig. 1, the water inlet unit includes: a pure water replenishing valve 1, a pure water storage barrel 2, a water inlet pump 3 and a water inlet pump back reflux valve 4;
a pure water replenishing valve 1 is arranged on one side of the pure water storage barrel 2, and the pure water replenishing valve 1 extends into the pure water storage barrel 2 through a pipeline; the other side of the water inlet pump rear backflow valve 4 is provided with a water inlet pump rear backflow valve 4, and the water inlet pump rear backflow valve 4 extends into the pure water storage barrel 2 through a pipeline;
the voltage stabilization 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, 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 the pure water in the pure water replenishing valve 1 into the water inlet pressure buffer tank 5; 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 includes: the system comprises a water inlet pressure gauge 7, a quick-assembling tee joint 8, a pipeline exhaust valve 9, a component to be detected 10, a beaker 11 and an electronic balance 12;
the quick-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 inspection module 10 includes: a transparent shell 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-mounting tee joint 8; the bottom of the assembly to be examined 10 is located inside a beaker 11.
Further, as shown in fig. 2, the transparent shell 101 adopts a PU hose with an outer diameter of 6-12 mm; the hollow fiber membranes 102 are folded into a U shape and arranged in the transparent shell 101, each hollow fiber membrane 102 consists of 2-4 membrane filaments, and the outer diameter of each hollow fiber membrane is 0.5-2.0 mm; 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 the inner cavity of the hollow fiber membrane is exposed by cutting, and pure water is converged into the inner cavity of the hollow fiber membrane from the permeable membrane at the outer side of the hollow fiber membrane 102 to become permeable water.
Further, the sealant 103 is provided as a hot melt adhesive or an instant adhesive.
Further, the component 10 to be detected is connected with the quick tee 8 through a direct socket or a hose, so as to realize quick connection.
The working principle is as follows:
firstly, opening a pure water replenishing valve 1 to replenish pure water into a pure water storage barrel 2; next, the water inlet pressure buffer tank 5 is filled with the water inlet pump 3, and the exhaust valve 6 of the pressure buffer tank and the exhaust valve 9 of the pipeline are opened; next, manufacturing a component 10 to be detected and completing air tightness detection, wherein the component 10 to be detected is filled with pure water and is installed with the quick-assembly tee 8; next, starting the water inlet pump 3 and slowly adjusting the water inlet pump back reflux valve 4; next, after the water inlet pressure buffer tank 5 and the pipeline exhaust valve 9 are exhausted, closing the buffer tank exhaust valve 6 and the pipeline exhaust valve 9; next, adjusting the back reflux valve 4 of the water inlet pump again to stabilize the water inlet pressure gauge 7 at a set value; and finally, the permeable weight of the component 10 to be detected in unit time is weighed in a timing mode, so that the pure water flux of the component 10 to be detected is evaluated.
In the description of the invention, it should be specifically noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" as used herein are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected 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 through specific situations.
Claims (4)
1. A hollow fiber membrane rapid detection device comprises: the device comprises a water inlet unit, a pressure stabilizing unit and a testing unit;
the method is characterized in that: the water inlet unit comprises: a pure water replenishing valve (1), a pure water storage barrel (2), a water inlet pump (3) and a water inlet pump back reflux valve (4);
a pure water replenishing valve (1) is arranged on one side of the pure water storage barrel (2), and the pure water replenishing valve (1) extends into the pure water storage barrel (2) through a pipeline; the other side of the water inlet pump rear backflow valve (4) is provided with the water inlet pump rear backflow valve (4), and the water inlet pump rear backflow valve (4) extends into the pure water storage barrel (2) through a pipeline;
the voltage stabilization 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 includes: the device comprises a water inlet pressure gauge (7), a quick tee (8), a pipeline exhaust valve (9), a component to be detected (10), a beaker (11) and an electronic balance (12);
the quick-assembling tee joint (8) is connected with a 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);
the inspection module (10) comprises: a transparent shell (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-mounting tee joint (8); the bottom of the component (10) to be detected is positioned in the beaker (11).
2. The hollow fiber membrane rapid detection device according to claim 1, characterized in that: the transparent shell (101) adopts a PU hose with the outer diameter of 6-12 mm; the hollow fiber membranes (102) are folded into a U shape and arranged in the transparent shell (101), each hollow fiber membrane (102) consists of 2-4 membrane filaments, and the outer diameter of each hollow fiber membrane is 0.5-2.0 mm; the sealant (103) enables the bottom of each hollow fiber membrane (102) to be fixed with the transparent shell (101); the hollow fiber membrane (102) is sealed and then the inner cavity of the hollow fiber membrane is exposed by cutting, and pure water is converged into the inner cavity of the hollow fiber membrane from the outer side of the hollow fiber membrane (102) to form permeated water.
3. The hollow fiber membrane rapid detection device according to claim 2, characterized in that: the sealing glue (103) is set to be hot melt glue or instant glue.
4. The hollow fiber membrane rapid detection device according to claim 2, characterized in that: the component (10) to be detected is connected with the quick tee joint (8) through a direct socket 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 |
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| 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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| CN112569798A true CN112569798A (en) | 2021-03-30 |
| CN112569798B 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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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020085370A (en) * | 2001-05-08 | 2002-11-16 | 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 |
| CN103611423A (en) * | 2013-12-11 | 2014-03-05 | 株洲时代新材料科技股份有限公司 | Water flux and retaining rate testing device of hollow fiber membrane |
| 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 |
-
2020
- 2020-12-29 CN CN202011588905.7A patent/CN112569798B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020085370A (en) * | 2001-05-08 | 2002-11-16 | 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 |
| CN103611423A (en) * | 2013-12-11 | 2014-03-05 | 株洲时代新材料科技股份有限公司 | Water flux and retaining rate testing device of hollow fiber membrane |
| 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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| CN112569798B (en) | 2023-06-02 |
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