CN2036061U - Microporoous membrane filter with buffer - Google Patents
Microporoous membrane filter with buffer Download PDFInfo
- Publication number
- CN2036061U CN2036061U CN 88207774 CN88207774U CN2036061U CN 2036061 U CN2036061 U CN 2036061U CN 88207774 CN88207774 CN 88207774 CN 88207774 U CN88207774 U CN 88207774U CN 2036061 U CN2036061 U CN 2036061U
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- CN
- China
- Prior art keywords
- buffer
- filter
- utility
- model
- discharging tube
- 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.)
- Expired - Lifetime
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Abstract
The utility model provides a microporous membrane filter with buffer. The utility model is characterized in that a buffer, which comprises a buffer casing, a baffle plate provided with throttle holes and arranged at the middle part of the buffer casing and a liquid outlet at the lower part of the buffer, is connected in series at the liquid discharging tube point of the microporous membrane filter; the lower cavities of a liquid discharging tube and a buffer tube are communicated. The utility model is adopted to effectively prevent the phenomenon of the puncture to the filter membrane from generating. Besides, the utility model has the advantages of simple structure, compaction, no pressure loss, safe use, and reliability.
Description
The utility model belongs to a kind of improved sedimeter, particularly a kind of nuclepore membrane filter with buffer.
In the prior art, nuclepore membrane filter is arranged at housing middle sieve plate and filter membrane and is positioned at the upper and lower inlet joint of housing and the discharging tube composition mainly by upper and lower casing.During use, utilize the liquid pump to make and be equipped with good liquid reaches filtration by filter with certain pressure purpose.Because this filter can be done hyperfiltration, can remove minute impurities and bacterium, improve the purity and the clarity of liquid, therefore be used widely at pharmacy, chemical industry, electronics, food-processing industry and water analysis testing department.But, still there is such problem in this filter: will close discharging tube inevitably sometimes in process of production, in case discharging tube is closed suddenly, because the effect of inertial hydraulic head, the pressure of lower liquid can increase suddenly, will water hammer occur with bigger pressure toward upper punch, the filter membrane that is easy to be positioned at above the sieve plate punctures, and this situation happens occasionally.In case the puncture filter membrane not only will be changed, all do over again but also must will work as time liquid of preparation, bring very big trouble to production.In order to address this problem, prior art was once made buffer at big casing of the front of filter serial connection, though can play certain cushioning effect, existed the pressure loss bigger, the shortcoming that filtering velocity reduces; Also have at jet buffer of filter front serial connection, certain buffering effect is also arranged.Yet, no matter be to use surge tank or jet buffer, all can not solve the high-order breakdown problem that filters (head is greater than 3.5 meters).In addition, adopt surge tank or jet buffer all must set up return duct, this does not also meet the requirement that smart filtering system will be simplified the pipeline flow process as far as possible.
The purpose of this utility model is the deficiency that will overcome above-mentioned filter, provides a kind of nuclepore membrane filter that punctures filter membrane that prevents newly to design.
Above-mentioned purpose be achieved in that one of the discharging tube place of existing nuclepore membrane filter serial connection by the buffer housing, be positioned at buffering body middle part and will cushion body and be divided into epicoele and cavity of resorption, the dividing plate of several throttle orifices is arranged itself and be positioned at the buffer that the liquid outlet of cavity of resorption constitutes; The discharging tube of nuclepore membrane filter passes the buffer epicoele and dividing plate is communicated with cavity of resorption.
Fig. 1 is the profile of the utility model concrete structure.
In the accompanying drawings, (1) is the inlet joint, and (2) are that upper shell, (3) are exhaust outlet for filter membrane, (4), (5) be trip bolt, (6) are jig, and (7) are that sealing ring, (8) are sieve plate, (9) be lower house, (10) be the buffer housing, (11) are the buffer epicoele, and (12) are dividing plate, (12a) be throttle orifice, (13) be the buffer cavity of resorption, (14) are liquid outlet, and (15) are discharging tube.
From structure of the present utility model as can be known, under normal operation, do not influence the discharge of liquid.But, when closing liquid outlet, when water hammer occurring, the liquid of elevated pressures is toward upper punch, naturally be full of buffer cavity of resorption (13) earlier, partially liq pours buffer epicoele (11) by the throttle orifice (12a) of dividing plate (12) more then, when the gas pressure of buffer epicoele (11) equates with fluid pressure, just do not flow in the buffer, it on this process nature a decompression earlier, the process that back throttling decays fluid pressure has gradually relaxed the impact of fluid pressure to filter membrane, prevents that effectively the phenomenon that punctures filter membrane from producing.In order to make throttle orifice can comparatively slowly play throttling action, the aperture is unsuitable excessive, with diameter be 1～2 millimeter for suitable, number with 2～4 for well.Cause pressure oscillation for the liquid fluctuating that reduces buffer epicoele (11), throttle orifice (12a) should tilt, and tangentially is provided with.
Using method of the present utility model is identical with existing nuclepore membrane filter.
Through evidence: after adopting the utility model, no matter high-orderly filter (head is greater than 5 meters) or pressure filtration (pressure is 5 kilograms per centimeter
2) all there are not punch-through, a resolve buffer problem effectively.In addition, the utility model also has simple in structure, compact, no pressure loss and advantage safe in utilization, reliable.
Claims (3)
1, a kind of nuclepore membrane filter of mainly forming by housing, sieve plate, filter membrane, inlet and discharging tube, it is characterized in that the discharging tube (15) of nuclepore membrane filter bottom locate to be connected in series last one by buffer housing (10), be positioned at that buffer housing (10) middle part is divided into buffer epicoele (11) and buffer cavity of resorption (13) with the buffer housing and buffer itself that have the dividing plate (12) of several throttle orifices (12a) and be positioned at liquid outlet (14) formation of buffer cavity of resorption (13) bottom; Discharging tube (15) passes buffer epicoele (11) and dividing plate (12) is communicated with buffer cavity of resorption (13).
2, filter according to claim 1, the diameter that it is characterized in that throttle orifice (12a) is 1～2 millimeter, number is 2～4.
3, filter according to claim 1 and 2 is characterized in that throttle orifice (12a) tilts, and tangentially is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88207774 CN2036061U (en) | 1988-06-24 | 1988-06-24 | Microporoous membrane filter with buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88207774 CN2036061U (en) | 1988-06-24 | 1988-06-24 | Microporoous membrane filter with buffer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2036061U true CN2036061U (en) | 1989-04-19 |
Family
ID=4841742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88207774 Expired - Lifetime CN2036061U (en) | 1988-06-24 | 1988-06-24 | Microporoous membrane filter with buffer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2036061U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102413717A (en) * | 2009-05-05 | 2012-04-11 | 雀巢产品技术援助有限公司 | Capsule for preparing a nutritional product including a filter and method |
| US8703219B2 (en) | 2009-05-05 | 2014-04-22 | Nestec S.A. | Capsule for preparing a nutritional product including a filter |
| CN103895554A (en) * | 2014-04-16 | 2014-07-02 | 武汉理工大学 | Automobile special for sewer sewage treatment and sewage recycling method thereof |
| US9357870B2 (en) | 2009-05-05 | 2016-06-07 | Nestec S.A. | Capsule, method and device for preparing a nutritional product |
| CN112237769A (en) * | 2019-07-17 | 2021-01-19 | 杭州特种纸业有限公司 | Needle head type filter |
| CN113731172A (en) * | 2021-08-17 | 2021-12-03 | 沈阳芯源微电子设备股份有限公司 | High pressure filter |
-
1988
- 1988-06-24 CN CN 88207774 patent/CN2036061U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102413717A (en) * | 2009-05-05 | 2012-04-11 | 雀巢产品技术援助有限公司 | Capsule for preparing a nutritional product including a filter and method |
| US8703219B2 (en) | 2009-05-05 | 2014-04-22 | Nestec S.A. | Capsule for preparing a nutritional product including a filter |
| US8962049B2 (en) | 2009-05-05 | 2015-02-24 | Nestec S.A. | Capsule for preparing a nutritional product including a filter and method |
| US9357870B2 (en) | 2009-05-05 | 2016-06-07 | Nestec S.A. | Capsule, method and device for preparing a nutritional product |
| CN103895554A (en) * | 2014-04-16 | 2014-07-02 | 武汉理工大学 | Automobile special for sewer sewage treatment and sewage recycling method thereof |
| CN112237769A (en) * | 2019-07-17 | 2021-01-19 | 杭州特种纸业有限公司 | Needle head type filter |
| CN113731172A (en) * | 2021-08-17 | 2021-12-03 | 沈阳芯源微电子设备股份有限公司 | High pressure filter |
| CN113731172B (en) * | 2021-08-17 | 2024-01-30 | 沈阳芯源微电子设备股份有限公司 | High-pressure filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |