CN113600023B - Filter membrane integrality detection device - Google Patents
Filter membrane integrality detection device Download PDFInfo
- Publication number
- CN113600023B CN113600023B CN202111035301.4A CN202111035301A CN113600023B CN 113600023 B CN113600023 B CN 113600023B CN 202111035301 A CN202111035301 A CN 202111035301A CN 113600023 B CN113600023 B CN 113600023B
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- hollow rotating
- filter membrane
- boss
- gland
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 53
- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 210000004907 gland Anatomy 0.000 claims abstract description 19
- 125000006850 spacer group Chemical group 0.000 claims abstract description 17
- 239000000523 sample Substances 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000004887 air purification Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B01D65/102—Detection of leaks in membranes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention provides a filter membrane integrity detection device which comprises a hollow rotating shaft, a motor for driving the hollow rotating shaft to rotate, an air inlet pipe communicated with the hollow rotating shaft, a round table connected to the hollow rotating shaft, a space ring connected to the round table, a gland connected to the space ring and a plurality of ultrasonic detector probes, wherein the air inlet pipe is connected with the hollow rotating shaft; the spacer comprises a base and a boss connected to the base, the filter membrane is sleeved on the boss and clamped by the base and the gland together, a plurality of openings are formed in the hollow rotating shaft, a plurality of notches are formed in the boss, a plurality of grooves are formed in the inner side wall of the filter membrane, the openings correspond to the notches, and the notches correspond to the grooves. According to the filter membrane integrity detection device provided by the invention, the gas is introduced into the filter membrane, and the gas leaked from the cracks of the filter membrane is detected by utilizing the ultrasonic detector probe, so that the integrity of the filter membrane can be detected, and the full-automatic detection is realized, and the detection efficiency is high.
Description
Technical Field
The invention relates to the technical field, in particular to a filter membrane integrity detection device.
Background
The filter membrane is composed of a plurality of tiny nano micropores, plays roles in separating related media such as air purification, water treatment purification and the like, the integrity of the filter membrane needs to be detected regularly, and once the surface is cracked, the purification effect is greatly reduced, and the cracks cannot be seen by naked eyes. In the traditional bubble point detection method, the filter membrane is required to be wetted firstly, then the detection device is used for detecting, and the filter membrane is required to be dried after the detection is finished, so that the process is complicated. In view of the foregoing, there is a need for an improved filter membrane integrity test device in the art that addresses the above-described problems.
Disclosure of Invention
The invention aims to disclose a device for detecting the integrity of a filter membrane, which is capable of detecting the integrity of the filter membrane by introducing gas into the filter membrane and detecting the gas leaked from cracks of the filter membrane by utilizing an ultrasonic detector probe, and has the advantages of full automatic detection and high detection efficiency.
In order to achieve the above purpose, the invention provides a filter membrane integrity detection device, which comprises a hollow rotating shaft, a motor for driving the hollow rotating shaft to rotate, an air inlet pipe communicated with the hollow rotating shaft, a round table connected to the hollow rotating shaft, a space ring connected to the round table, a gland connected to the space ring, and a plurality of ultrasonic detector probes; the spacer comprises a base and a boss connected to the base, the filter membrane is sleeved on the boss and clamped by the base and the gland together, the ultrasonic detector probe is located above the filter membrane and distributed on different peripheral paths, a plurality of openings are formed in the hollow rotating shaft, a plurality of gaps are formed in the boss, a plurality of grooves are formed in the inner side wall of the filter membrane, the openings correspond to the gaps, and gas in the air inlet pipe sequentially passes through the hollow rotating shaft, the openings, the gaps and the grooves to enter the filter membrane.
In some embodiments, a clamping groove is formed in the base, an O-shaped ring is clamped in the clamping groove, and the O-shaped ring is attached to the filtering membrane.
In some embodiments, a plurality of first bolt holes and a plurality of second bolt holes are formed in the boss of the spacer ring.
In some embodiments, the spacer ring and the boss are connected by a first bolt that is threaded into the first bolt hole.
In some embodiments, the gland and spacer are connected by a second bolt that is threaded into a second bolt hole.
In some embodiments, an angle sensor is mounted on the hollow shaft.
In some embodiments, the circular table is sleeved and fixed on the hollow rotating shaft.
In some embodiments, the spacer is sleeved on the hollow shaft.
In some embodiments, the gland is sleeved on the hollow shaft.
Compared with the prior art, the invention has the beneficial effects that: according to the filter membrane integrity detection device provided by the invention, the gas is introduced into the filter membrane, and the gas leaked from the cracks of the filter membrane is detected by utilizing the ultrasonic detector probe, so that the integrity of the filter membrane can be detected, and the full-automatic detection is realized, and the detection efficiency is high.
Drawings
FIG. 1 is a schematic diagram of a filter membrane integrity test device according to the present invention;
FIG. 2 is an assembly view of the spacer ring and filter membrane shown in FIG. 1;
FIG. 3 is a schematic view of the structure of the spacer ring shown in FIG. 2;
fig. 4 is a schematic view of the structure of the filter membrane shown in fig. 2.
Detailed Description
The present invention will be described in detail below with reference to the embodiments shown in the drawings, but it should be understood that the embodiments are not limited to the present invention, and functional, method, or structural equivalents and alternatives according to the embodiments are within the scope of protection of the present invention by those skilled in the art.
The device for detecting the integrity of the filter membrane shown in fig. 1-4 comprises a hollow rotating shaft 11, a motor 1 for driving the hollow rotating shaft 11 to rotate, an air inlet pipe 13 communicated with the hollow rotating shaft 11, a round table 2 connected to the hollow rotating shaft 11, a space ring 3 connected to the round table 2 and a gland 5 connected to the space ring 3.
The spacer ring 3 comprises a base 31 and a boss 32 connected to the base 31, the filter membrane 4 is sleeved on the boss 32 and is clamped and fixed by the base 31 and the gland 5 together, and the gland 5 is pressed at the inner side edge of the filter membrane 4. The boss 32 is circular in cross-section.
The motor 1 drives the hollow rotating shaft 11 to rotate, and the round table 2, the spacer ring 3, the gland 5 and the filter membrane 4 synchronously rotate. The base 31 is provided with a clamping groove 310, an O-ring (not shown) is clamped in the clamping groove 310, the O-ring is attached to the filter membrane 4, and the O-ring drives the filter membrane 4 to rotate synchronously.
The round table 2 is sleeved and fixed on the hollow rotating shaft 11. The space ring 3 is sleeved on the hollow rotating shaft 11. The gland 5 is sleeved on the hollow rotating shaft 11.
The boss 32 of the space ring 3 is provided with three first bolt holes 321 and three second bolt holes 322, and correspondingly, the round table 2 and the gland 5 are also provided with bolt holes. The spacer ring 3 and the circular table 2 are connected by a first bolt (not shown) which is screwed into the first bolt hole 321. The gland 5 and the spacer 3 are connected by a second bolt (not shown) which is screwed into the second bolt hole 322. The first bolt holes 321 and the second bolt holes 322 are alternately distributed between the adjacent notches 320 at intervals, so that the stability of connection among the round table 2, the spacer ring 3 and the gland 5 is ensured.
Six openings 110 are formed in the hollow rotating shaft 11, six notches 320 are formed in the boss 32, six grooves 40 are formed in the inner side wall of the filter membrane 4, the openings 110 correspond to the notches 320, the notches 320 correspond to the grooves 40, and gas in the gas inlet pipe 13 sequentially passes through the hollow rotating shaft 11, the openings 110, the notches 320 and the grooves 40 to enter the filter membrane 4. Because the gland 5 is connected to the boss 32 and is pressed against the inner edge of the filter membrane 4, gas can directly enter the groove 40 through the notch 320, and gas leakage is prevented.
Still include three ultrasonic detector probe 6, ultrasonic detector probe 6 is located filtering diaphragm 4 top and distributes on different circumference, specifically is radial equidistant the arranging, and in addition, filtering diaphragm 4 rotates under motor 1 drives to make ultrasonic detector probe 6 can cover the whole surface of filtering diaphragm 4, improved the accuracy that detects. If the surface of the filter membrane 4 has cracks, gas can be flushed out from the cracks and detected by the ultrasonic detector probe 6, so that whether the filter membrane 4 is complete or not can be detected, and the full-automatic detection is realized, and the detection efficiency is high.
The angle sensor 12 is installed on the hollow rotating shaft 11 and is used for monitoring the rotation condition of the hollow rotating shaft 11, so that the filtering membrane 4 is ensured to rotate at least one circle, the ultrasonic detector probe 6 can cover the whole surface of the filtering membrane 4, and the detection accuracy is improved.
The above list of detailed descriptions is only specific to practical embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the spirit of the present invention should be included in the scope of the present invention.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (4)
1. The device is characterized by comprising a hollow rotating shaft, a motor for driving the hollow rotating shaft to rotate, an air inlet pipe communicated with the hollow rotating shaft, a round table connected to the hollow rotating shaft, a spacer ring connected to the round table, a gland connected to the spacer ring and a plurality of ultrasonic detector probes;
The space ring comprises a base table and a boss connected to the base table, the filtering membrane is sleeved on the boss and clamped by the base table and the gland, the ultrasonic detector probe is positioned above the filtering membrane and distributed on different peripheral diameters, a plurality of openings are formed in the hollow rotating shaft, a plurality of gaps are formed in the boss, a plurality of grooves are formed in the inner side wall of the filtering membrane, the openings correspond to the gaps, the gaps correspond to the grooves, and gas in the air inlet pipe sequentially enters the filtering membrane through the hollow rotating shaft, the openings, the gaps and the grooves;
the base is provided with a clamping groove, an O-shaped ring is clamped in the clamping groove, and the O-shaped ring is attached to the filtering membrane;
The round table is sleeved and fixed on the hollow rotating shaft;
the space ring is sleeved on the hollow rotating shaft;
The gland is sleeved on the hollow rotating shaft;
An angle sensor is arranged on the hollow rotating shaft.
2. The filter membrane integrity detection device of claim 1 wherein the boss of the cage is provided with a plurality of first bolt holes and a plurality of second bolt holes.
3. The filter membrane integrity detection device of claim 2 wherein the spacer ring and the boss are connected by a first bolt, the first bolt being threaded in the first bolt hole.
4. The filter membrane integrity detection device of claim 2 wherein the gland and spacer are connected by a second bolt that is threaded into a second bolt hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111035301.4A CN113600023B (en) | 2021-09-06 | 2021-09-06 | Filter membrane integrality detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111035301.4A CN113600023B (en) | 2021-09-06 | 2021-09-06 | Filter membrane integrality detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113600023A CN113600023A (en) | 2021-11-05 |
| CN113600023B true CN113600023B (en) | 2024-05-14 |
Family
ID=78342628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111035301.4A Active CN113600023B (en) | 2021-09-06 | 2021-09-06 | Filter membrane integrality detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113600023B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4215585A1 (en) * | 1992-05-12 | 1993-11-18 | Seitz Filter Werke | Simultaneous checking of membrane insert integrity - comprises using partially soluble gas introduced below bubble point pressure and detecting subsequent bubble formation within insert without removal from installation |
| JPH0975690A (en) * | 1995-09-11 | 1997-03-25 | Nkk Corp | Method and device for detecting damage of water treatment filter and water treatment apparatus equipped with the same |
| US6758970B1 (en) * | 1999-07-09 | 2004-07-06 | Steris Europe, Inc. Suomen Sivuliike | Filtering unit and method of sealing same |
| CN1844908A (en) * | 2006-03-20 | 2006-10-11 | 天津工业大学 | Ultrasonic wave detection method and detection apparatus therefor |
| CN203253364U (en) * | 2013-04-11 | 2013-10-30 | 中国长城葡萄酒有限公司 | Cross flow filter membrane column detection device |
| WO2014133184A1 (en) * | 2013-03-01 | 2014-09-04 | 三菱レイヨン株式会社 | Method for detecting defect in porous membrane, and defect inspection device |
| CN215463337U (en) * | 2021-09-06 | 2022-01-11 | 飞潮（无锡）过滤技术有限公司 | Filter membrane integrality detection device |
-
2021
- 2021-09-06 CN CN202111035301.4A patent/CN113600023B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4215585A1 (en) * | 1992-05-12 | 1993-11-18 | Seitz Filter Werke | Simultaneous checking of membrane insert integrity - comprises using partially soluble gas introduced below bubble point pressure and detecting subsequent bubble formation within insert without removal from installation |
| JPH0975690A (en) * | 1995-09-11 | 1997-03-25 | Nkk Corp | Method and device for detecting damage of water treatment filter and water treatment apparatus equipped with the same |
| US6758970B1 (en) * | 1999-07-09 | 2004-07-06 | Steris Europe, Inc. Suomen Sivuliike | Filtering unit and method of sealing same |
| CN1844908A (en) * | 2006-03-20 | 2006-10-11 | 天津工业大学 | Ultrasonic wave detection method and detection apparatus therefor |
| WO2014133184A1 (en) * | 2013-03-01 | 2014-09-04 | 三菱レイヨン株式会社 | Method for detecting defect in porous membrane, and defect inspection device |
| CN203253364U (en) * | 2013-04-11 | 2013-10-30 | 中国长城葡萄酒有限公司 | Cross flow filter membrane column detection device |
| CN215463337U (en) * | 2021-09-06 | 2022-01-11 | 飞潮（无锡）过滤技术有限公司 | Filter membrane integrality detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113600023A (en) | 2021-11-05 |
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