CN204841271U - Atmospheric aerosol filter membrane filter equipment - Google Patents
Atmospheric aerosol filter membrane filter equipment Download PDFInfo
- Publication number
- CN204841271U CN204841271U CN201520580121.8U CN201520580121U CN204841271U CN 204841271 U CN204841271 U CN 204841271U CN 201520580121 U CN201520580121 U CN 201520580121U CN 204841271 U CN204841271 U CN 204841271U
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- cup
- indent
- platform
- filtered
- liquid
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Abstract
The utility model relates to an atmospheric aerosol filter membrane filter equipment, its characterized in that: it includes a cup, is provided with the the annular clamped groove in the rim of a cup department of cup, offer a bell mouth that is used for adjusting cup internal pressure at the lateral wall of cup, still be provided with an indent in the rim of a cup of cup department and filter the platform, the platform was filtered to the indent bottom outer fringe set up for with the annular clamped groove matched with boss, the indent is filtered in the the annular clamped groove of fixing at the cup through the boss, the indent is filtered the bottom of platform and has been seted up a plurality of toper filtration pores. The utility model discloses because can be through setting up revealing of in the platform is filtered to the bell mouth control cup internal pressure of cup lateral wall and then control indent liquid, consequently can guarantee the sample membrane and the contact of liquid even with the exchange fully. Simultaneously, owing to be stamped the gland in sample epimembranal add, consequently can guarantee when pouring liquid into that the sample membrane can not float under the buoyancy, ensure the abundant contact of sample membrane and liquid.
Description
Technical field
The utility model relates to a kind of atmospheric aerosol membrane filtration device, belongs to Atmospheric Chemistry analysis field.
Background technology
Atmospheric aerosol refers to suspension liquid state in an atmosphere or solid particles, mainly comprises six large class particulates: Sand Dust Aerosol, carbon aerosol, sulfate aerosol, nitrate aerosol, ammonium salt aerosol and marine aerosol.It is the maximum a kind of pollutant of enormous amount in urban atmosphere, complicated component, harm.TSP, PM10 and PM2.5 (referring to the particle of aerodynamic diameter≤100mm, 10mm and 2.5mm respectively) can be divided into according to aerodynamic diameter.Atmospheric particulates affect the energy exchange of Earth-atmospheric system by absorption and diffusesolarradiation, and then produce material impact to weather system, environment and human health.Current international whole world change and Atmospheric Chemistry research high order focusing atmospheric aerosol are to the Radiative Forcing effect of the disturbance of Earth climate system, particularly carbon aerosol.Carbon aerosol in air comprises organic carbon, elemental carbon and graphitic carbon.Wherein, elemental carbon has become in global atmosphere system and has been only second to CO
2heat component, elemental carbon is an important parameter in research global radiation balance, and in certain areas, the existence of elemental carbon can cause Aerosol radiation to force by the transformation of negative radiation effect to positive radiation effect, causes the warming effect that is clean.Since 1880,25% of global warning amplitude is attributable to elemental carbon.Therefore the discharge of constraint element carbon is one of effective way of warming of current mitigation of global climate.
In order to better control element carbon is on the impact of global warming, therefore needs to carry out Separation Research to each component in the carbonaceous of atmospheric aerosol, particularly by membrane filtration device, the Water Soluble Organic Carbon in carbonaceous is studied.But existing membrane filtration device due to filter cup volume little, therefore filter area is less, and filter core due to adopt quartz sand, cause sample to cross water speed too fast, cause the exchange of sample and water insufficient.Therefore fully atmospheric aerosol sample cannot be divided into water-soluble portion and non-water-soluble fractions when testing, and then Water Soluble Organic Carbon and non-aqueous organic carbon can not be measured exactly, cause the problems such as experimental data is inaccurate.
Summary of the invention
For the problems referred to above, the purpose of this utility model is to provide a kind of sample film and liquid comes into contact evenly and exchange sufficient atmospheric aerosol membrane filtration device.
For achieving the above object, the utility model takes following technical scheme: a kind of atmospheric aerosol membrane filtration device, is characterized in that: it comprises a cup, and the rim of a cup place of described cup is provided with annular holddown groove; One is offered for regulating the bellmouth of described cup internal pressure at the sidewall of described cup; Also be provided with an indent at the rim of a cup place of described cup and filter platform, the bottom outer-edge of described indent filtration platform is set to the boss matched with described annular holddown groove, and described indent is filtered platform and is fixed in the annular holddown groove of described cup by described boss; The bottom that described indent filters platform offers multiple taper filter opening.
One is arranged for the gland of fixed sample film in the inside that described indent filters platform.
Described annular holddown groove adopts step trough or groove.
The utility model is owing to taking above technical scheme, it has the following advantages: 1, the utility model filters the leakage of liquid in platform owing to can be controlled pressure and then control indent in cup by the bellmouth being arranged on cup sidewalls, therefore can ensure that all even exchange of the contact of sample film and liquid is abundant.2, the utility model is stamped gland owing to adding on sample film, therefore can ensure when pouring liquid into that sample film can not at buoyancy float downward, guarantees fully contacting of sample film and liquid.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is the structural representation of cup of the present utility model;
Fig. 3 is the structural representation that indent of the present utility model filters platform;
Fig. 4 is the structural representation of gland of the present utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in Figure 1, Figure 2, Figure 3 shows, the utility model comprises a cup 1, and the rim of a cup place of cup 1 is provided with annular holddown groove 11.Offer a bellmouth 12 in the sidewall horizontal of cup 1, bellmouth 12 is for connecting vavuum pump or pump bowl makes pressure adjustable in cup 1.Also be provided with an indent at the rim of a cup place of cup 1 and filter platform 2, the bottom outer-edge of indent filtration platform 2 is set to the boss 21 matched with annular holddown groove 11, makes indent filter platform 2 and can be fixed on cup 1.The bottom of filtering platform 2 in indent offers multiple taper filter opening 22, flows in cup 1 by taper filter opening 22 for making liquid.
As shown in Figure 4, in above-described embodiment, the inside of filtering platform 2 in indent can arrange a gland 3, and gland 3 filters the sample film of platform 2 bottom surface in indent for fixed placement.
In above-described embodiment, annular holddown groove 11 can adopt step trough or groove.
Operationally, be first positioned over by sample film on indent filtration platform 2 and also fix with gland 3, pour ultra-pure water subsequently into and cover sample film, because taper filter opening 22 is very little, ultra-pure water can not flow directly in cup 1 the utility model under the effect not having pressure.Contact even until sample film with ultra-pure water and exchange fully, the air in cup 1 is extracted out by bellmouth 12 with vavuum pump or pump bowl, because pressure in cup 1 reduces, therefore the sample liquid cognition that indent is filtered in platform 2 flows in cup 1 along taper filter opening 22, when taking out filter membrane after dried liquid stream.
The various embodiments described above are only for illustration of the utility model; wherein the structure, connected mode etc. of each parts all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement, all should not get rid of outside protection domain of the present utility model.
Claims (3)
1. an atmospheric aerosol membrane filtration device, is characterized in that: it comprises a cup, and the rim of a cup place of described cup is provided with annular holddown groove; One is offered for regulating the bellmouth of described cup internal pressure at the sidewall of described cup; Also be provided with an indent at the rim of a cup place of described cup and filter platform, the bottom outer-edge of described indent filtration platform is set to the boss matched with described annular holddown groove, and described indent is filtered platform and is fixed in the annular holddown groove of described cup by described boss; The bottom that described indent filters platform offers multiple taper filter opening.
2. a kind of atmospheric aerosol membrane filtration device as claimed in claim 1, is characterized in that: arrange one in the inside that described indent filters platform for the gland of fixed sample film.
3. a kind of atmospheric aerosol membrane filtration device as claimed in claim 1 or 2, is characterized in that: described annular holddown groove adopts step trough or groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520580121.8U CN204841271U (en) | 2015-08-04 | 2015-08-04 | Atmospheric aerosol filter membrane filter equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520580121.8U CN204841271U (en) | 2015-08-04 | 2015-08-04 | Atmospheric aerosol filter membrane filter equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204841271U true CN204841271U (en) | 2015-12-09 |
Family
ID=54731869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520580121.8U Expired - Fee Related CN204841271U (en) | 2015-08-04 | 2015-08-04 | Atmospheric aerosol filter membrane filter equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204841271U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108079702A (en) * | 2017-12-21 | 2018-05-29 | 广东德新科技孵化器有限公司 | A kind of dust-extraction unit for wooden door production room |
-
2015
- 2015-08-04 CN CN201520580121.8U patent/CN204841271U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108079702A (en) * | 2017-12-21 | 2018-05-29 | 广东德新科技孵化器有限公司 | A kind of dust-extraction unit for wooden door production room |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20190804 |