CN203916472U - A kind of testing arrangement of membrane filtration material biological safety protection performance - Google Patents
A kind of testing arrangement of membrane filtration material biological safety protection performance Download PDFInfo
- Publication number
- CN203916472U CN203916472U CN201420249863.8U CN201420249863U CN203916472U CN 203916472 U CN203916472 U CN 203916472U CN 201420249863 U CN201420249863 U CN 201420249863U CN 203916472 U CN203916472 U CN 203916472U
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- mixing chamber
- gripping sleeve
- gas
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Abstract
The utility model discloses a kind of testing arrangement of membrane filtration material biological safety protection performance, comprise that gas passage after housing, upstream gas mixing chamber, dividing plate, snap ring, gripping sleeve, downstream filter, chamber pressure detect hole, Compressed Gas input hole, aerosol input hole and upstream gas collosol concentration and detect hole; In the middle of housing and upstream gas mixing chamber, have dividing plate, housing is connected by snap ring with upstream gas mixing chamber; On dividing plate, be provided with gripping sleeve, gripping sleeve is fixedly connected with gas passage after downstream filter; Chamber pressure is set on the cavity wall of upstream gas mixing chamber and detects hole, Compressed Gas input hole, aerosol input hole and upstream gas collosol concentration detection hole.This device is mainly measured the filter efficiency of membrane filtration material to dirt in air particle, easily and effectively, and has low cost, advantage easy to operate, applied widely.
Description
Technical field
The utility model relates to a kind of performance testing device, is specifically related to a kind of testing arrangement of membrane filtration material biological safety protection performance.
Background technology
At present, ununified method standard is for the performance test of membrane filtration material in the world, on domestic market, do not have similar commercial prod to promote the use of yet, existing laboratory equipment can not detect for membrane filtration material biological safety protection performance, is difficult to meet general scientific experiment needs.
Utility model content
In order to overcome above-mentioned technological deficiency, the utility model provides a kind of testing arrangement of membrane filtration material biological safety protection performance.This device is mainly measured the filter efficiency of membrane filtration material to dirt in air particle, easily and effectively, and has low cost, advantage easy to operate, applied widely.
Device of the present utility model is achieved through the following technical solutions:
The testing arrangement of a kind of membrane filtration material biological safety protection performance of the present utility model comprises that gas passage after housing, upstream gas mixing chamber, dividing plate, snap ring, gripping sleeve, downstream filter, chamber pressure detect hole, Compressed Gas input hole, aerosol input hole and upstream gas collosol concentration and detect hole; In the middle of described housing and described upstream gas mixing chamber, have dividing plate, described housing is connected by snap ring with described upstream gas mixing chamber; On described dividing plate, be provided with gripping sleeve, described gripping sleeve is fixedly connected with gas passage after downstream filter; Chamber pressure is set on the cavity wall of described upstream gas mixing chamber and detects hole, Compressed Gas input hole, aerosol input hole and upstream gas collosol concentration detection hole.
Preferably, described gripping sleeve is rubber gripping sleeve.
Preferably, after described chamber pressure detection hole and Compressed Gas input hole and described downstream filter, gas passage is parallel direction.
After described aerosol input hole and upstream gas collosol concentration detection hole and described downstream filter, gas passage is vertical direction.
Utilize testing arrangement of the present utility model to test as follows: to open snap ring, membrane filtration material is positioned in the gripping sleeve in dividing plate and is clamped, taking dirt in air particle as medium, through air pump compression, form under specific pressure and pass through filtering container with the air-flow of certain flow and membrane filtration material.Utilize multi-functional minute-pressure anemobiagraph flow probe to measure air flow rate at filtering material lower exit place; Pressure probe is stretched into chamber pressure and detect in hole, utilize pressure probe in upstream measured pressure value; Then pressure probe is placed on after downstream filter in gas passage, measures downstream pressure value.Simultaneously, by aerosol input hole input aerosol, and detect hole by upstream gas collosol concentration and carry out the detection of aerosol particle concentration, in filtering material upstream and downstream, sampled point is set respectively, utilize laser particle counter to measure the aerosol particle concentration under the different-grain diameters such as 0.3 μ m/0.5 μ m/1.0 μ m, draw the filter efficiency value of filtering material through repeatedly measuring to average.
The beneficial effects of the utility model are, the filter efficiency of test membrane filtering material to dirt in air particle easily and effectively, measure air different-grain diameter aerosol particle by the change in concentration of membrane filtration material, calculate it to aerocolloidal filter efficiency, the biological safety protection performance that can be filtering material provides reference, the biological safety protection performance of monitoring filtering material, has low cost, feature easy to operate, applied widely.
Brief description of the drawings
Fig. 1 is the structural representation of a preferred embodiment of the testing arrangement of a kind of membrane filtration material biological safety protection performance of the present utility model.
Detailed description of the invention
Embodiment 1 a: preferred embodiment of the testing arrangement of a kind of membrane filtration material biological safety protection performance of the present utility model
Fig. 1 is the structural representation of a preferred embodiment of the testing arrangement of a kind of membrane filtration material biological safety protection performance of the present utility model, as seen from Figure 1, the testing arrangement of membrane filtration material biological safety protection performance of the present utility model comprises housing 1, gas passage 2 after downstream filter, rubber gripping sleeve 3, upstream gas mixing chamber 4, chamber pressure detects hole 5, Compressed Gas input hole 6, aerosol input hole 7, upstream gas collosol concentration detects hole 8, dividing plate 9 and snap ring 10, in the middle of housing 1 and upstream gas mixing chamber 4, there is dividing plate 9, housing 1 is connected by snap ring 10 with upstream gas mixing chamber 4, on dividing plate 9, be provided with gripping sleeve 3, gripping sleeve 3 is fixedly connected with gas passage 2 after downstream filter, chamber pressure is set on the cavity wall of upstream gas mixing chamber 4 and detects hole 5, Compressed Gas input hole 6, aerosol input hole 7 and upstream gas collosol concentration detection hole 8.After chamber pressure detection hole 5 and Compressed Gas input hole 6 and downstream filter, gas passage 2 is parallel direction.After aerosol input hole 7 and upstream gas collosol concentration detection hole 8 and downstream filter, gas passage 2 is vertical direction.
A preferred embodiment of the testing arrangement application of the membrane filtration material biological safety protection performance in embodiment 2: embodiment 1
Utilize testing arrangement of the present utility model to test as follows: open snap ring 10, the membrane filtration material of performance to be measured is positioned over to the interior clamping of gripping sleeve 3 in dividing plate 9, recycling snap ring 10, clamps housing 1 and upstream gas mixing chamber 4.Taking dirt in air particle as medium, compress through air pump, by Compressed Gas input hole 6 adjust fluxes, air-flow and membrane filtration material are formed under specific pressure 25Pa, 45Pa, 80Pa by accompanying the gripping sleeve 3 of membrane filtration material, utilize multi-functional minute-pressure anemobiagraph flow probe gas passage 2 exits after downstream filter to measure air flow rates; Pressure probe is stretched into chamber pressure and detect in hole 5, utilize pressure probe in the interior measurement upstream pressure value of upstream gas mixing chamber 4; Meanwhile, input particulate to increase chamber pressure and the aerosol particle concentration of cavity 4, and detect hole 8 by upstream gas collosol concentration and carry out the detection of aerosol particle concentration by aerosol input hole 7, monitoring concentration must be greater than 30000/liter; Suitably regulate compressed air and aerosol inlet, make upstream gas maintain applicable pressure and aerosol concentration, after operation a period of time, wait air downstream is emptying after after downstream filter the end point detection downstream particle concentration of gas passage 2.In filtering material upstream and downstream, sampled point is set respectively, utilizes laser particle counter to measure the aerosol particle concentration under the different-grain diameters such as 0.3 μ m, 0.5 μ m, 1.0 μ m, draw the filter efficiency value of filtering material through repeatedly measuring to average.
Claims (4)
1. the testing arrangement of a membrane filtration material biological safety protection performance, it is characterized in that, comprise that gas passage after housing, upstream gas mixing chamber, dividing plate, snap ring, gripping sleeve, downstream filter, chamber pressure detect hole, Compressed Gas input hole, aerosol input hole and upstream gas collosol concentration and detect hole;
In the middle of described housing and described upstream gas mixing chamber, have dividing plate, described housing is connected by snap ring with described upstream gas mixing chamber;
On described dividing plate, be provided with gripping sleeve, described gripping sleeve is fixedly connected with gas passage after downstream filter;
Chamber pressure is set on the cavity wall of described upstream gas mixing chamber and detects hole, Compressed Gas input hole, aerosol input hole and upstream gas collosol concentration detection hole.
2. a kind of testing arrangement according to claim 1, is characterized in that, described gripping sleeve is rubber gripping sleeve.
3. a kind of testing arrangement according to claim 1, is characterized in that, after described chamber pressure detection hole and Compressed Gas input hole and described downstream filter, gas passage is parallel direction.
4. a kind of testing arrangement according to claim 1, is characterized in that, after described aerosol input hole and upstream gas collosol concentration detection hole and described downstream filter, gas passage is vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420249863.8U CN203916472U (en) | 2014-05-15 | 2014-05-15 | A kind of testing arrangement of membrane filtration material biological safety protection performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420249863.8U CN203916472U (en) | 2014-05-15 | 2014-05-15 | A kind of testing arrangement of membrane filtration material biological safety protection performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203916472U true CN203916472U (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420249863.8U Expired - Fee Related CN203916472U (en) | 2014-05-15 | 2014-05-15 | A kind of testing arrangement of membrane filtration material biological safety protection performance |
Country Status (1)
| Country | Link |
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| CN (1) | CN203916472U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032196A (en) * | 2015-07-22 | 2015-11-11 | 桐乡市健民过滤材料有限公司 | Method for detecting integrity of filter element of ultrafiltration membrane |
| CN112161906A (en) * | 2020-09-08 | 2021-01-01 | 海宁博瑞医疗科技有限公司 | Portable mask rapid detection method and system |
| CN116256291A (en) * | 2023-05-10 | 2023-06-13 | 北京市计量检测科学研究院 | Aerosol photometer error detection device |
-
2014
- 2014-05-15 CN CN201420249863.8U patent/CN203916472U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032196A (en) * | 2015-07-22 | 2015-11-11 | 桐乡市健民过滤材料有限公司 | Method for detecting integrity of filter element of ultrafiltration membrane |
| CN112161906A (en) * | 2020-09-08 | 2021-01-01 | 海宁博瑞医疗科技有限公司 | Portable mask rapid detection method and system |
| CN116256291A (en) * | 2023-05-10 | 2023-06-13 | 北京市计量检测科学研究院 | Aerosol photometer error detection device |
| CN116256291B (en) * | 2023-05-10 | 2024-04-05 | 北京市计量检测科学研究院 | Aerosol photometer error detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20150515 |
|
| EXPY | Termination of patent right or utility model |