CN202983360U - Pressurizing filtering device for laboratories - Google Patents
Pressurizing filtering device for laboratories Download PDFInfo
- Publication number
- CN202983360U CN202983360U CN 201320002430 CN201320002430U CN202983360U CN 202983360 U CN202983360 U CN 202983360U CN 201320002430 CN201320002430 CN 201320002430 CN 201320002430 U CN201320002430 U CN 201320002430U CN 202983360 U CN202983360 U CN 202983360U
- Authority
- CN
- China
- Prior art keywords
- membrane
- filtration membrane
- filtering
- filter
- filtering membrane
- 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 - Fee Related
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 85
- 239000012528 membrane Substances 0.000 claims abstract description 91
- 230000004308 accommodation Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 abstract description 4
- 239000012065 filter cake Substances 0.000 abstract description 3
- 238000002474 experimental method Methods 0.000 abstract description 2
- 238000003828 vacuum filtration Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 244000046146 Pueraria lobata Species 0.000 description 1
- 235000010575 Pueraria lobata Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a pressurizing filtering device for laboratories. The pressurizing filtering device comprises a membrane pressurizing pump, a controller, a pressure gauge and filtering membrane packets. The pressurizing filtering device is characterized in that each filtering membrane packet comprises an upper filtering membrane sheet, a lower filtering membrane sheet and a filtering membrane; an upper connecting hole is formed at the upper part of the upper filtering membrane sheet; a lower connecting hole is formed at the lower part of the lower filtering membrane sheet; a containing space is integrally formed in the middle of the upper filtering membrane sheet and the lower filtering membrane sheet; the upper connecting hole and the lower connecting hole are respectively communicated with the containing space; filtering holes are uniformly distributed in the lower filtering membrane sheet; and the filtering membrane covers the filtering holes. Through the containing spaces arranged in the upper filtering membrane packet and the lower filtering membrane packet, filter cakes and a filtering liquid are conveniently collected; due to the arrangement of a rapidly detaching structure, the filtering membrane can be conveniently replaced; and through the pressurization of the membrane pressurizing pump, the pressure difference is as high as 0.9Mpa, so that the filtering velocity and the experiment efficiency are greatly improved.
Description
Technical field
The utility model belongs to the filter technical field, is specifically related to a kind of use for laboratory pressure filter.
Background technology
In the laboratory, filtration is the most basic operating process, be used for filtering-depositing, separate insoluble matter etc., traditional filter method is generally gone up vacuum filtration, with funnel and a filter paper that is connected with vavuum pump, the negative pressure that relies on vavuum pump to produce sees through liquid and solid dams and reaches the purpose of filtration on the filter paper surface.According to the basic filtering theory, ignore the gravity of solution itself, in the situation that the solution of filter medium (filter paper) and filtration is certain, the speed of filtration is directly proportional to the pressure differential (Δ P) of filter medium both sides.During vacuum filtration, one side is atmospheric pressure (gauge pressure is 0), opposite side is the negative pressure that produces by vavuum pump, the theoretic maximum of pressure differential (Δ P) that produces like this is only approximately 0.1Mpa of 1 atmospheric pressure, can not reach by the limitation of vavuum pump, has so just affected the speed of filtering.Especially more obvious when the extracting liquid filtering of Chinese medicine, have to reduce filtering accuracy for filtering rate, put to no little inconvenience to research work.
Summary of the invention
For problems of the prior art, the utility model purpose is providing a kind of use for laboratory pressure filter.
The utility model is realized by the following technical programs:
described a kind of use for laboratory pressure filter, comprise diaphragm booster pump, controller, Pressure gauge, the filter membrane bag, described diaphragm booster pump is connected with Pressure gauge with controller respectively, diaphragm booster pump is connected by pipeline with the filter membrane bag, it is characterized in that described filter membrane bag comprises filtration membrane, lower filtration membrane, filter membrane, the top of upper filtration membrane is provided with connecting hole, the bottom of lower filtration membrane is provided with lower connecting hole, the middle part of described upper filtration membrane and lower filtration membrane is the one-body molded spatial accommodation that is provided with respectively, upper connecting hole and lower connecting hole communicate with spatial accommodation respectively, the uniform filter bores that is provided with on described lower filtration membrane, filter membrane covers on filter bores.Diaphragm booster pump is to be the raising solution pressure, and maximum pressure can reach 0.9Mpa, and membrane pump can provide high-pressure fluid continuously and stably, have low noise, low vibrations, energy consumption is low, the advantage such as corrosion-resistant is combined with controller and can be realized by the continuous adjusting of low pressure to high pressure.
Described a kind of use for laboratory pressure filter is characterized in that described upper filtration membrane connects setting with lower filtration membrane by quick-disassembly structure.
Described a kind of use for laboratory pressure filter, it is characterized in that described quick-disassembly structure comprises the fixed block that is fixedly installed on respectively filtration membrane and lower filtration membrane two ends, be provided with fixing hole on described fixed block, pegging graft on described fixing hole is provided with fixed connecting rod.
Described a kind of use for laboratory pressure filter is characterized in that also being provided with sealing ring between described upper filtration membrane and lower filtration membrane.
The utility model is wrapped the spatial accommodation of setting by upper filter membrane bag and lower filter membrane, be convenient to form filter cake and collect filtrate, the setting of quick-disassembly structure is convenient for changing filter membrane, supercharging by diaphragm booster pump makes pressure differential up to 0.9 Mpa, has improved greatly filtering rate and conventional efficient.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model filter membrane pack arrangement schematic diagram;
In figure, 1-diaphragm booster pump, 2-pipeline, 3-controller, the upper filtration membrane of 4-, 5-fixed block, filtration membrane under 6-, 7-Pressure gauge, 8-fixed connecting rod, the upper connecting hole of 9-, 10 spatial accommodations, 11-sealing ring, 12-filter membrane, 13-filter bores, connecting hole under 14-.
The specific embodiment
Below in conjunction with Figure of description, the utility model is described in further detail, and provides the specific embodiment.
as shown in the figure, a kind of use for laboratory pressure filter of the utility model, comprise diaphragm booster pump 1, controller 3, Pressure gauge 7, the filter membrane bag, diaphragm booster pump 1 is connected with Pressure gauge 7 with controller 3 respectively, diaphragm booster pump 1 is connected by pipeline 2 with the filter membrane bag, the filter membrane bag comprises filtration membrane 4, lower filtration membrane 6, filter membrane 12, the top of upper filtration membrane 4 is provided with connecting hole 9, the bottom of lower filtration membrane 6 is provided with lower connecting hole 14, the middle part of upper filtration membrane 4 and lower filtration membrane 6 is the one-body molded spatial accommodation 10 that is provided with respectively, upper connecting hole 9 and lower connecting hole 14 communicate with spatial accommodation 10 respectively, the uniform filter bores 13 that is provided with on lower filtration membrane 6, filter membrane 12 covers on filter bores 13.Upper filtration membrane 4 connects setting with lower filtration membrane 6 by quick-disassembly structure, quick-disassembly structure comprises the fixed block 5 that is fixedly installed on respectively filtration membrane 4 and lower filtration membrane 6 two ends, be provided with fixing hole on fixed block 5, pegging graft on fixing hole is provided with fixed connecting rod 8.Also be provided with sealing ring 11 between upper filtration membrane 4 and lower filtration membrane 6.
Diaphragm booster pump 1 is prepared for improving solution pressure, and maximum pressure can reach 0.9Mpa, and membrane pump can provide high-pressure fluid continuously and stably, have low noise, low vibrations, energy consumption is low, the advantage such as corrosion-resistant, with controller 3 in conjunction with realizing by the continuous adjusting of low pressure to high pressure.The filter membrane bag adopts stainless steel or pmma material, the spatial accommodation 10 that upper filtration membrane 4 centers arrange, be convenient to form filter cake, lower filtration membrane 6 is opened some filter bores 13 and is formed porous support layers below placing filter membrane 12 parts, is convenient to collect filtrate when supporting filter membrane 12.Place filter membrane 12 and sealing ring 11 in the middle of upper filtration membrane 4 and lower filtration membrane 6, and upper filtration membrane 4 and lower filtration membrane 6 make quick-disassembly structure, be convenient for changing filter membrane 12.Pressure gauge 7 is used for monitoring the pressure of filtration, convenient in time adjusting, and pipeline 2 is used for connecting diaphragm booster pump 1 and filter membrane bag.
Below further illustrate the beneficial effects of the utility model by contrast experiment's data.
Get the turbid solution 3000ml of root of kudzu vine Chinese medicine water extraction liquid after gauze filters large granular impurity, be equally divided into 6 parts, every part of 500ml, adopt same filter paper, the 1st part of vacuum filtration that use is common filters, 2-6 part is filtered under different operating pressures with pressure filter, records the time of each inherent filtration 500ml, and investigation that can be quantitative is to the effect of pressure filter.
Result of the test:
1. each sample is 500ml
2. adopt same brand, model, diameter is the filter paper of 90mm, experimental result such as following table:
By data analysis, filtration time (speed) and pressure reduction are linear relationship substantially, meet the filtration basic theories.Also proved the pressure reduction △ P when pressure filter filters by increase, really can effectively improve filtering rate, reduced filtration time, raised the efficiency.
Claims (4)
1. use for laboratory pressure filter, comprise diaphragm booster pump, controller, Pressure gauge, the filter membrane bag, described diaphragm booster pump is connected with Pressure gauge with controller respectively, diaphragm booster pump is connected by pipeline with the filter membrane bag, it is characterized in that described filter membrane bag comprises filtration membrane, lower filtration membrane, filter membrane, the top of upper filtration membrane is provided with connecting hole, the bottom of lower filtration membrane is provided with lower connecting hole, the middle part of described upper filtration membrane and lower filtration membrane is the one-body molded spatial accommodation that is provided with respectively, upper connecting hole and lower connecting hole communicate with spatial accommodation respectively, the uniform filter bores that is provided with on described lower filtration membrane, filter membrane covers on filter bores.
2. a kind of use for laboratory pressure filter according to claim 1, is characterized in that described upper filtration membrane connects setting with lower filtration membrane by quick-disassembly structure.
3. a kind of use for laboratory pressure filter according to claim 2, it is characterized in that described quick-disassembly structure comprises the fixed block that is fixedly installed on respectively filtration membrane and lower filtration membrane two ends, be provided with fixing hole on described fixed block, pegging graft on described fixing hole is provided with fixed connecting rod.
4. a kind of use for laboratory pressure filter according to claim 1, is characterized in that also being provided with sealing ring between described upper filtration membrane and lower filtration membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320002430 CN202983360U (en) | 2013-01-05 | 2013-01-05 | Pressurizing filtering device for laboratories |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320002430 CN202983360U (en) | 2013-01-05 | 2013-01-05 | Pressurizing filtering device for laboratories |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202983360U true CN202983360U (en) | 2013-06-12 |
Family
ID=48554586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320002430 Expired - Fee Related CN202983360U (en) | 2013-01-05 | 2013-01-05 | Pressurizing filtering device for laboratories |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202983360U (en) |
-
2013
- 2013-01-05 CN CN 201320002430 patent/CN202983360U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202052391U (en) | Filter | |
| CN202648987U (en) | Collecting device for suspended solids in water | |
| CN204307530U (en) | A kind of rotating down pressing device for filtering | |
| CN202983360U (en) | Pressurizing filtering device for laboratories | |
| CN204932986U (en) | A kind of inflation disturbance filter | |
| CN203269832U (en) | 96-channel semiautomatic polypeptide synthesizer | |
| CN110672381A (en) | Multilayer filters soil pore water collection system | |
| CN202569812U (en) | Gas filter | |
| CN106434341A (en) | Living cell separating system and separating method adopting same | |
| CN203253256U (en) | Mobile two-stage pressurizing type medicinal liquid filter | |
| CN102580372A (en) | Coal slime filter-press test system and coal slime test method | |
| CN204767681U (en) | Portable solid -liquid separation equipment of manual pressurization | |
| CN203899241U (en) | Differential connection type honey filtering device | |
| CN203620332U (en) | Multi-position large-capacity high-vacuum suction filtration device | |
| CN202052473U (en) | Micro-filtration membrane device for filtering and refining compound traditional Chinese medicinal oral solution | |
| CN205925187U (en) | Kieselguhr filter | |
| CN217398869U (en) | Compatible environmental DNA and microorganism acquisition device | |
| CN204582976U (en) | A kind of multipurpose diffusion barrier evaluating apparatus | |
| CN104826498A (en) | Multiuse separation membrane evaluating apparatus | |
| CN202497747U (en) | Coal slime filter-press testing system | |
| CN206950997U (en) | A kind of bacteriological filter equipment | |
| CN203196409U (en) | Plate frame filtering device | |
| CN202620832U (en) | Vacuum filtration machine capable of extracting lemon bioflavonoids | |
| CN209735363U (en) | Double-membrane-shell series filtration equipment | |
| CN203710765U (en) | Cellulose filter pressing tank |
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: 20130612 Termination date: 20160105 |