CN102407078A - A hollow fiber membrane filtration performance testing device - Google Patents
A hollow fiber membrane filtration performance testing device Download PDFInfo
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- CN102407078A CN102407078A CN2011103085756A CN201110308575A CN102407078A CN 102407078 A CN102407078 A CN 102407078A CN 2011103085756 A CN2011103085756 A CN 2011103085756A CN 201110308575 A CN201110308575 A CN 201110308575A CN 102407078 A CN102407078 A CN 102407078A
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- membrane
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- 238000012360 testing method Methods 0.000 title abstract 5
- 239000012510 hollow fiber Substances 0.000 title abstract 4
- 238000005374 membrane filtration Methods 0.000 title abstract 2
- 239000012528 membrane Substances 0.000 abstract 13
- 239000000835 fiber Substances 0.000 abstract 9
- 238000001914 filtration Methods 0.000 abstract 8
- 239000007788 liquid Substances 0.000 abstract 3
- 238000000926 separation method Methods 0.000 abstract 2
- 238000011156 evaluation Methods 0.000 abstract 1
- 230000004907 flux Effects 0.000 abstract 1
- 238000001471 micro-filtration Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000000108 ultra-filtration Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
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Abstract
The invention discloses a hollow fiber membrane filtration performance testing device applied to liquid separation, and belongs to the field of membrane separation process application. The device is characterized by comprising a membrane fiber filtering element, a cylindrical membrane filtering container, a diaphragm pump, a pressure regulating valve, a positive pressure gauge, a negative pressure gauge, a water distribution tank for liquid to be filtered, a temperature controller and a filtered liquid collecting measuring cylinder. The core part of the device is a membrane fiber filtering container which consists of a cylindrical filtering container, a membrane fiber filtering element, an external thread joint, an internal thread joint, a hollow pipe, test membrane fibers, a capillary joint and a membrane fiber supporting frame. The membrane fiber filtering element is connected with the cylindrical filtering container through an internal thread joint and an external thread joint, the hollow pipe is connected with the membrane fiber to be tested through a capillary joint, and the membrane fiber supporting frame is used for supporting the membrane fiber to be tested. The invention can be used for ultrafiltration and microfiltration and hollow fiber membrane flux test and evaluation, and can test the filtration performance of hollow fiber membranes with different internal/external diameters and internal/external pressure modes within a certain pressure range.
Description
Technical field
The invention belongs to film separation process application, relate to the device of a kind of doughnut membrane filtration characteristic test that is applied to fluid separation applications.
Background technology
Film separates (filtration) technology as new isolation of purified and method for concentration; Compare with traditional lock out operation (like evaporation, extraction, deposition, coagulation and ion exchange resin etc.); Most no phase change in the filter process; Can operate at normal temperatures, therefore have characteristics such as energy consumption is low, efficient is high, technology is simple, investment is little.
Hollow-fibre membrane is to use the most a kind of membrane separation technique.Its advantage comprises that mainly operating pressure is low, but self-supporting, good pressure-resistant performance, loading density is big in the assembly, and the flux of unit volume is high, and size of components is flexible etc.Hollow-fibre membrane usually with pressure as motive force and realize generally under lower operating pressure scope, using filter process, generally be not more than 0.3MPa.Use more low pressure liquid separation hollow-fibre membrane and mainly comprise ultrafiltration and micro-filtration membrane.Hollow fiber film assembly and device mainly comprise aspect three on using: concentrate, the separation of little molecule solute, the classification of big molecule solute.Aspect the purification of water quality processing, hollow fiber film assembly is widely used, and can remove mushroom in the water, virus, suspension, microorganism, larger molecular organics, colloid, thermal source etc.Aspect desalinization, hollow-fibre membrane can be used as the high accuracy preliminary treatment of seawater.In addition, at field hollow-fibre membranes such as chemical separating, medicines and health protection, food processings application is arranged also.
The hollow membrane fibre property of ultrafiltration and micro-filtration level can characterize through membrane flux, rejection, molecular cut off, and the sign of membrane flux is the most basic parameter of reflection membrane filtration characteristic, and it is extremely important for practical application how to measure membrane flux fast and accurately.Estimate the method for still not having standard of doughnut membrane flux at present; And membrane flux can receive many factor affecting such as material, fiber size, operating pressure, environment temperature; Therefore identical membrane fiber is measured under different devices and condition and is obtained the often widely different of result; Do not have the purpose of accurate sign and evaluation doughnut film properties; Therefore develop a kind of different size doughnut membrane flux that can be fit to and test, and can guarantee that the modular station of stable filtration environmental condition is most important.
Summary of the invention
The object of the present invention is to provide a kind of can standardized doughnut membrane filtration characteristic testing arrangement, mainly be applicable to the test and evaluation of ultrafiltration and micro-filtration and doughnut membrane flux.Device can be in certain pressure limit, and to different size (inside/outside footpath), the hollow-fibre membrane of different operation modes (inside/outside pressure) carries out the strainability test, simultaneously film silk antifouling property is analyzed, is estimated.
Technical scheme of the present invention is summarized as follows:
A kind of doughnut membrane filtration characteristic testing arrangement, its characteristic comprise single membrane fiber filter element (6), cylindrical film filtering container (7), membrane filtration pump (2,14), pressure-regulating valve (3,9,15), positive/negative pressure table (4,12), liquid to be filtered distribution channel (1), temperature controller (25), filter back liquid collection graduated cylinder (16).The core of said kind of doughnut membrane filtration characteristic testing arrangement is the membrane fiber filter assemblies, and it is made up of cylindricality filtering container (7), membrane fiber filter element (6), male connection (17), female adapter (26), hollow pipe (18), test membrane fiber (19), capillary joint (20), capillary joint (20), membrane fiber bracing frame (21).Said membrane fiber filter element (6) is connected with cylindricality filtering container (7) with female adapter (26) through male connection (17); Said hollow pipe (18) is connected with membrane fiber to be tested (19) through capillary joint (20), and said membrane fiber bracing frame (21) is connected with capillary joint (20) and is used to support membrane fiber to be tested (19).
Said membrane fiber (19) can adopt the external-compression type hollow membrane fiber of different size according to actual conditions.
Said membrane fiber (19) can adopt the inner pressed hollow membrane fiber of different size according to actual conditions.
Description of drawings
Fig. 1 is a kind of flow chart of doughnut membrane filtration characteristic testing arrangement.
Fig. 2 is a kind of doughnut membrane filtration characteristic testing arrangement membrane fiber filter element structure chart.
Fig. 3 is membrane fiber filter assemblies vertical section figure.
Fig. 4 is a membrane fiber filter assemblies cross-sectional view.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further specified.
A kind of doughnut membrane filtration characteristic testing arrangement comprises membrane fiber filter element (6), cylindrical film filtering container (7), membrane filtration pump (2,14), pressure-regulating valve (3,9,15), positive/negative pressure table (4,12), liquid to be filtered distribution channel (1), temperature controller (25), filter back liquid collection graduated cylinder (16).
A kind of core of doughnut membrane filtration characteristic testing arrangement is the membrane fiber filtering container, and it is made up of cylindricality filtering container (7), membrane fiber filter element (6), male connection (17), female adapter (26), hollow pipe (18), test membrane fiber (19), capillary joint (20), capillary joint (20), membrane fiber bracing frame (21).Said membrane fiber filter element (6) is connected with cylindricality filtering container (7) with female adapter (26) through male connection (17); Said hollow pipe (18) is connected with membrane fiber to be tested (19) through capillary joint (20), and said membrane fiber bracing frame (21) is connected with capillary joint (20) and is used to support membrane fiber to be tested (19).
The present invention's its operation idiographic flow under inside and outside press operation pattern is following:
Under the press operation pattern, this device can filter liquid to be filtered by membrane pump from outside to inside through membrane fiber outside, also can lead to membrane pump and carry out the negative pressure vacuuming operation at the membrane fiber port of export, further specifies below in conjunction with accompanying drawing.
When carrying out filter operation through the external press mold fiber of positive pressurization; Solution to be filtered in the distribution channel (1) is pressed into cylindricality filtering container (7) through membrane pump (2) and water inlet pipe (24), opens valve (3), (15), valve-off (13) this moment; Control valve (9) keeps membrane pump (14) to close.Transmembrane pressure through between membrane fiber inner chamber and filtering container (7) filters, and regulates the cross-flow water yield through cross-flow pipe (22) and by valve (9), realizes that the transmembrane pressure extent changes, thereby under different pressures, carries out the strainability test.
When aspirating external press mold and carry out filter operation, open valve (3), (13), control valve (15), (9) through negative pressure.Through membrane pump (2) filtered fluid is sucked filtering container (7) filtering solution is provided, treat test membrane fiber (19) through membrane pump (14) and aspirate the realization filter operation.Under this pattern, the transmembrane pressure when control valve (15), (9) can change the membrane fiber filtration is realized the test to the membrane fiber strainability.
In interior die pressing type following time, open peristaltic pump (14), liquid to be filtered is pressed into film silk to be tested (19) inner chamber, carry out filter operation by the pressure reduction of interior membrane fiber medial and lateral.During press mold fiber test operation, valve (13), (9) are opened in valve-off (3), (15), close membrane pump (2) in carrying out.
Claims (2)
1. a doughnut membrane filtration characteristic testing arrangement comprises membrane fiber filter element (6), cylindrical film filtering container (7), membrane pump (2,14), pressure-regulating valve (3,9,15), positive/negative pressure table (4,12), liquid to be filtered distribution channel (1), temperature controller (25), filter back liquid collection graduated cylinder (16).
2. according to testing arrangement described in the claim 1; It is characterized in that the core is the membrane fiber filtering container, form by cylindricality filtering container (7), membrane fiber filter element (6), male connection (17), female adapter (26), hollow pipe (18), test membrane fiber (19), capillary joint (20), capillary joint (20), membrane fiber bracing frame (21); Said membrane fiber filter element (6) is connected with cylindricality filtering container (7) with female adapter (26) through male connection (17); Said hollow pipe (18) is connected with membrane fiber to be tested (19) through capillary joint (20); Said membrane fiber bracing frame (21) is connected with capillary joint (20) and is used to support membrane fiber to be tested (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103085756A CN102407078A (en) | 2011-10-13 | 2011-10-13 | A hollow fiber membrane filtration performance testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103085756A CN102407078A (en) | 2011-10-13 | 2011-10-13 | A hollow fiber membrane filtration performance testing device |
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| CN102407078A true CN102407078A (en) | 2012-04-11 |
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| CN2011103085756A Pending CN102407078A (en) | 2011-10-13 | 2011-10-13 | A hollow fiber membrane filtration performance testing device |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102961970A (en) * | 2012-11-22 | 2013-03-13 | 广州中国科学院先进技术研究所 | Device for testing antifouling property of hollow-fibre membrane |
| CN103335929A (en) * | 2013-06-08 | 2013-10-02 | 厦门大学 | Detection method of porous diaphragm of lithium ion battery |
| CN105080348A (en) * | 2014-04-23 | 2015-11-25 | 珠海格力电器股份有限公司 | Hollow fiber membrane packaging assembly, hollow fiber membrane testing assembly and hollow fiber membrane testing system |
| CN105802840A (en) * | 2014-12-29 | 2016-07-27 | 东营市环境保护科学研究所 | Microbial agent concentration device and preparation method and preservation method of microbial agent |
| CN106000113A (en) * | 2016-07-12 | 2016-10-12 | 山东省科学院海洋仪器仪表研究所 | Separation performance experiment device for small-area filtering membrane in cross flow and interception flow modes |
| CN107328699A (en) * | 2017-06-30 | 2017-11-07 | 天津工业大学 | Fouling membrane monitoring device and method based on In situ spectroscopic electrochemical analysis techniques |
| CN107843536A (en) * | 2017-11-03 | 2018-03-27 | 天津碧水源膜材料有限公司 | A kind of film wire throughput experimentation platform and its control system, control method |
| CN108169232A (en) * | 2018-02-14 | 2018-06-15 | 天津工业大学 | A kind of laser dijection sensor for being used to evaluate hollow-fibre membrane backwash effect |
| CN109126476A (en) * | 2018-10-09 | 2019-01-04 | 天津城建大学 | The test device and test method of external pressure hollow fiber film yarn pure water point flux |
| CN109647198A (en) * | 2018-12-04 | 2019-04-19 | 天津膜天膜科技股份有限公司 | A kind of hollow fiber nanofiltration membrane multichannel device for quick testing and method |
| CN110639367A (en) * | 2019-10-25 | 2020-01-03 | 华南理工大学 | A method and device for measuring the permeation amount of a non-contact hollow fiber membrane |
| CN111266015A (en) * | 2020-03-05 | 2020-06-12 | 天津工业大学 | Constant volume variable pressure method test system of gas transmittance |
| CN112569798A (en) * | 2020-12-29 | 2021-03-30 | 苏州中色德源环保科技有限公司 | Quick detection device of hollow fiber membrane |
| CN112808017A (en) * | 2021-01-07 | 2021-05-18 | 北京工业大学 | Detection device and method for in-process filtration characteristics and membrane pollution distribution characteristics of external pressure type hollow fiber ultrafiltration membrane |
| CN114130205A (en) * | 2021-12-31 | 2022-03-04 | 深圳市君脉膜科技有限公司 | A kind of fast and accurate testing equipment and testing method of hollow fiber membrane performance |
| CN114146570A (en) * | 2021-12-31 | 2022-03-08 | 深圳市君脉膜科技有限公司 | A kind of sealing device for hollow fiber membrane detection |
-
2011
- 2011-10-13 CN CN2011103085756A patent/CN102407078A/en active Pending
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102961970B (en) * | 2012-11-22 | 2015-02-18 | 广州中国科学院先进技术研究所 | Device for testing antifouling property of hollow-fibre membrane |
| CN102961970A (en) * | 2012-11-22 | 2013-03-13 | 广州中国科学院先进技术研究所 | Device for testing antifouling property of hollow-fibre membrane |
| CN103335929A (en) * | 2013-06-08 | 2013-10-02 | 厦门大学 | Detection method of porous diaphragm of lithium ion battery |
| CN105080348B (en) * | 2014-04-23 | 2017-06-20 | 珠海格力电器股份有限公司 | Hollow fiber membrane packaging assembly, hollow fiber membrane testing assembly and hollow fiber membrane testing system |
| CN105080348A (en) * | 2014-04-23 | 2015-11-25 | 珠海格力电器股份有限公司 | Hollow fiber membrane packaging assembly, hollow fiber membrane testing assembly and hollow fiber membrane testing system |
| CN105802840A (en) * | 2014-12-29 | 2016-07-27 | 东营市环境保护科学研究所 | Microbial agent concentration device and preparation method and preservation method of microbial agent |
| CN106000113B (en) * | 2016-07-12 | 2018-10-09 | 山东省科学院海洋仪器仪表研究所 | A kind of separating property experimental provision of the cross-flow of small area filter membrane and pattern of shutting off |
| CN106000113A (en) * | 2016-07-12 | 2016-10-12 | 山东省科学院海洋仪器仪表研究所 | Separation performance experiment device for small-area filtering membrane in cross flow and interception flow modes |
| CN107328699A (en) * | 2017-06-30 | 2017-11-07 | 天津工业大学 | Fouling membrane monitoring device and method based on In situ spectroscopic electrochemical analysis techniques |
| CN107843536A (en) * | 2017-11-03 | 2018-03-27 | 天津碧水源膜材料有限公司 | A kind of film wire throughput experimentation platform and its control system, control method |
| CN108169232A (en) * | 2018-02-14 | 2018-06-15 | 天津工业大学 | A kind of laser dijection sensor for being used to evaluate hollow-fibre membrane backwash effect |
| CN109126476A (en) * | 2018-10-09 | 2019-01-04 | 天津城建大学 | The test device and test method of external pressure hollow fiber film yarn pure water point flux |
| CN109647198A (en) * | 2018-12-04 | 2019-04-19 | 天津膜天膜科技股份有限公司 | A kind of hollow fiber nanofiltration membrane multichannel device for quick testing and method |
| CN110639367A (en) * | 2019-10-25 | 2020-01-03 | 华南理工大学 | A method and device for measuring the permeation amount of a non-contact hollow fiber membrane |
| CN110639367B (en) * | 2019-10-25 | 2023-10-13 | 华南理工大学 | Method and device for measuring permeation quantity of non-contact hollow fiber membrane |
| CN111266015A (en) * | 2020-03-05 | 2020-06-12 | 天津工业大学 | Constant volume variable pressure method test system of gas transmittance |
| CN111266015B (en) * | 2020-03-05 | 2022-07-08 | 天津工业大学 | Constant volume variable pressure method test system of gas transmittance |
| CN112569798A (en) * | 2020-12-29 | 2021-03-30 | 苏州中色德源环保科技有限公司 | Quick detection device of hollow fiber membrane |
| CN112808017A (en) * | 2021-01-07 | 2021-05-18 | 北京工业大学 | Detection device and method for in-process filtration characteristics and membrane pollution distribution characteristics of external pressure type hollow fiber ultrafiltration membrane |
| CN112808017B (en) * | 2021-01-07 | 2022-12-23 | 北京工业大学 | An external pressure hollow fiber ultrafiltration membrane detection device and method for along-process filtration characteristics and membrane fouling distribution characteristics |
| CN114130205A (en) * | 2021-12-31 | 2022-03-04 | 深圳市君脉膜科技有限公司 | A kind of fast and accurate testing equipment and testing method of hollow fiber membrane performance |
| CN114146570A (en) * | 2021-12-31 | 2022-03-08 | 深圳市君脉膜科技有限公司 | A kind of sealing device for hollow fiber membrane detection |
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Application publication date: 20120411 |