CN201561890U - Polluting aerosol rapid conveying device - Google Patents
Polluting aerosol rapid conveying device Download PDFInfo
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- CN201561890U CN201561890U CN2009202611841U CN200920261184U CN201561890U CN 201561890 U CN201561890 U CN 201561890U CN 2009202611841 U CN2009202611841 U CN 2009202611841U CN 200920261184 U CN200920261184 U CN 200920261184U CN 201561890 U CN201561890 U CN 201561890U
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- gasoloid
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Abstract
The utility model discloses a polluting aerosol rapid conveying device, which is formed by a growth unit, a liquefaction unit and a conveying unit. The growth unit comprises a steam generator, a mixing cavity, an air suction port and a growth cavity. The liquefaction unit comprises a conical nozzle, a net-shaped collecting plate and an ionized water pipe. The conveying unit includes a peristaltic pump and a foam remover in pipe connection with an outlet of the peristaltic pump. The device is capable of continuously liquefying aerosol particles and conveying the same to an analytical instrument for analysis, has the advantages of integrally collecting, liquefying and conveying aerosol, removing foam and the like, and being capable of realizing sampling without a filter membrane, continuous liquefying and conveying without foam of the aerosol particles, and is particularly suitable for analytical sampling of polluting aerosol in urban air.
Description
Technical field
The utility model relates to a kind of gasoloid transmitting device, especially relates to a kind ofly collecting fast gasoloid and it is passed to the contaminative gasoloid quick transmission devices of analytical instrument from the contaminative air.
Background technology
Gasoloid is the general name of the solid-state or liquid particles that suspends in the air, typical sizes is 0.01～10 micron, natural pollution and two kinds of sources of human pollution are arranged, derive from natural, as the flue dust of volcanic eruption, the soil particle that is blown up, seawater splash raise behind the atmosphere and the salt grain that is evaporated, bacterium, microorganism, plant embrace fine particles that sub-pollen, meteor burning produced and cosmic dust etc., have plenty of because mankind's activity, as the combustible substance of coal, oil and other mineral fuel, and the toxic emission that produces of vehicle is to airborne a large amount of soots etc.When aerocolloidal concentration reaches enough high, will threaten to human health, especially asthma patient and other there are the crowd who breathes disease.Airborne gasoloid can also be propagated fungi and virus, and this may cause the popular of some regional diseases and outburst.Therefore, for aerocolloidal research, more and more become the focus of scientist, the care of manufacturing industry company and government department.Conventional sampling of aerosol is to use the filter membrane collection, then sample is sent into the laboratory and analyzes.This method Measuring Time is long, and off-line analysis also can make the aerosol particle subconstiuent change, and brings error to measurement.
Summary of the invention
At problem set forth above, the utility model purpose is to provide a kind of and can in extremely rapid succession particulate be liquefied, and is transferred to the contaminative gasoloid quick transmission devices that analytical instrument is analyzed.
The utility model is to realize by following technical measures, a kind of contaminative gasoloid quick transmission devices, by increasing the unit, liquefaction unit and transmission unit are formed, wherein: increase the unit and comprise the water vapor generator, the hybrid chamber of water vapor generator exports is tightly connected, be sealedly connected on the hybrid chamber front end for containing contaminative aerosol air sample inhaled air suction inlet, and the growth chamber that is sealedly connected on the hybrid chamber rear end, hybrid chamber provides blending space for water vapor and air sample, and increasing the chamber mainly provides rise time and remove unnecessary water vapor as far as possible to particulate; Liquefaction unit comprises the conical nozzle that is sealedly connected on the growth cavity rear end, be disposed on the netted collecting board in conical nozzle the place ahead, space between described netted collecting board and the conical nozzle is set to and extraneous sealing, be arranged on the exhaust tube that the conical nozzle forward end seal connects aspiration pump, and sealing is communicated with the deionized water water pipe above netted collecting board; Transmission unit comprises the peristaltic pump that connects with netted collecting board below sealed tube, and pipe is connected on the bubble trap of peristaltic pump outlet, the solution of collecting, under the drive of peristaltic pump, enter bubble trap through conveyance conduit, after in bubble trap, removing bubble, liquid is sent to ion chromatograph analysis by the connection of rapid-acting coupling.
The utility model adopts continuous liquefaction mode, the principle of rapid condensation behind the employing water vapor chance cold surface, high temperature saturated steam and normal temperature atmospheric sample rapid mixing that the water steam generator produces, unexpected cooling by water vapor, water vapor behind the formation over-saturation state, water vapor rapid condensation behind the over-saturation state causes thin particulate to increase change to the Atmospheric particulates surface big, thin particulate after utilizing the inertial collision principle to grow up at last is collected in netted collecting board, and the leacheate by continuous conveying constantly the netted collecting board of flushing obtain the liquid sample of continuous flow transmission, be delivered directly to ion chromatograph analysis.
As further improvement of the utility model, hybrid chamber is a T type glass tube, the high-temperature vapor that comes from the water vapor generator and mix in the collision of T type glass tube middle part with the relative directions of 90 degree from the air sample that air suction inlet comes enters from opposite side and increases the chamber; Increase the chamber and mainly consider the rise time of particulate, generally proper second at 0.9-1.1, therefore increase the stainless-steel tube that the chamber preferably is set to the long 240mm inner wall smooth of external diameter 20mm, be 1.2 seconds rise time, in order to keep the supersaturation rate of water vapor, improve the growth efficient of particulate, and remove the superfluous water steam as far as possible, and can outside increasing the chamber, use fan to lower the temperature increasing the chamber; The preferred vacuum film aspiration pump of aspiration pump, aspiration pump provides power for particulate, makes the particulate that increases after increasing in the chamber under the effect of aspiration pump, is ejected on the netted collecting board.
Further improve as of the present utility model, air suction inlet be designed to the taper injection port, can obtain suitable gas velocity, avoid air-flow in mixed process, to form turbulent flow too slowly easily, also avoided air-flow then to influence mixing efficiency too soon, the small-bore trunnion of taper injection port front end can improve gas velocity and turbulent effect, and the radiation of tapered tube rear end design can improve the mixing efficiency with water vapor.
The contaminative gasoloid quick transmission devices that the utility model provides can be used for continuously particulate being liquefied, and be transferred to the transmitting device that analytical instrument is analyzed, the utlity model has can be integrated to advantages such as gasoloid collection, liquefaction, transmission and removal bubbles, and can realize that particulate does not have the advantage of filter membrane sampling, liquefaction continuously, the transmission of no bubble, be specially adapted to the aerocolloidal chemical composition analysis sampling of contaminative in the urban air.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
Below in conjunction with embodiment and contrast accompanying drawing the utility model is described in further detail.
Contaminative gasoloid quick transmission devices is formed by increasing unit, liquefaction unit and transmission unit, wherein:
The growth unit comprises by resistive heater, platinum resistance hygrosensor and controller forms water vapor generator 7; The hybrid chamber 1 that the water vapor generator 7 that is tightly connected exports, be sealedly connected on hybrid chamber 1 front end for containing contaminative aerosol air sample inhaled air suction inlet 6, air suction inlet 6 is a tapered tube, can obtain suitable gas velocity like this, avoid air-flow in mixed process, to form turbulent flow too slowly easily, also avoided air-flow then to influence mixing efficiency too soon, the small-bore trunnion of tapered tube front end can improve gas velocity and turbulent effect, and the radiation of tapered tube rear end design can improve the mixing efficiency with water vapor; Hybrid chamber 1 provides blending space for water vapor and air sample, hybrid chamber 1 is a T type glass tube, mix in the collision of T type glass tube middle part with the relative directions of 90 degree from the high-temperature vapor of water vapor generator 7 with from the air sample of air suction inlet 6, enter from opposite side and increase chamber 2; Be sealedly connected on the growth chamber 2 of hybrid chamber 1 rear end, increasing chamber 2 mainly provides rise time and removes unnecessary water vapor as far as possible to particulate, increase the rise times of chamber 2 main consideration particulates, generally proper second at 0.9-1.1, therefore increase the stainless-steel tube of chamber 2 for the long 240mm inner wall smooth of external diameter 20mm, be 1.2 seconds rise time, in order to keep the supersaturation rate of water vapor, improve the growth efficient of particulate, and remove the superfluous water steam as far as possible, outside increasing chamber 2, there is 8 pairs in fan to increase chamber 2 and lowers the temperature;
Liquefaction unit comprises the conical nozzle 3 that is sealedly connected on growth by 2 rear ends, chamber, be disposed on the netted collecting board 10 of conical nozzle 3 the place ahead multilayers, space between netted collecting board 10 and the conical nozzle 3 and extraneous sealing, be arranged on the exhaust tube 5 that conical nozzle 3 forward end seal connect vacuum film aspiration pump 4, vacuum film aspiration pump 4 provides power for particulate, make the particulate that increases after increasing in the chamber 2 under the suction function of vacuum film aspiration pump 4, be ejected on the netted collecting board 10, and sealing is communicated with removes distilled water water pipe 9 above netted collecting board 10;
Transmission unit comprises the peristaltic pump 11 that connects with netted collecting board 10 below sealed tubes, and pipe is connected on the bubble trap 12 of peristaltic pump 11 outlets, the solution of collecting, under the drive of peristaltic pump 11, enter bubble trap 12 through conveyance conduit, after in bubble trap 12, removing bubble, be sent to ion chromatograph analysis.
The utility model adopts continuous liquefaction mode, the principle of rapid condensation behind the employing water vapor chance cold surface, high temperature saturated steam and normal temperature atmospheric sample rapid mixing that water steam generator 7 produces, unexpected cooling by water vapor, water vapor behind the formation over-saturation state, water vapor rapid condensation behind the over-saturation state causes thin particulate to increase change to the Atmospheric particulates surface big, thin particulate after utilizing the inertial collision principle to grow up at last is collected in netted collecting board 10, and the distilled water by continuous conveying constantly the netted collecting board 10 of flushing obtain the liquid sample of continuous flow transmission, be delivered directly to ion chromatograph analysis.
More than be that the structure of a kind of contaminative gasoloid quick transmission devices provided by the utility model is set forth; be used for helping to understand the utility model; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under the utility model principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.
Claims (7)
1. contaminative gasoloid quick transmission devices is characterized in that: forms by increasing unit, liquefaction unit and transmission unit, wherein:
Increase the unit and comprise the water vapor generator, the hybrid chamber of the water vapor generator exports that is tightly connected is sealedly connected on the hybrid chamber front end and supplies to contain contaminative aerosol air sample inhaled air suction inlet, and the growth chamber that is sealedly connected on the hybrid chamber rear end;
Liquefaction unit comprises the conical nozzle that is sealedly connected on the growth cavity rear end, be disposed on the netted collecting board in conical nozzle the place ahead, space between described netted collecting board and the conical nozzle is set to and extraneous sealing, be arranged on the exhaust tube that the conical nozzle forward end seal connects aspiration pump, and sealing is communicated with the deionized water water pipe above netted collecting board;
Transmission unit comprises the peristaltic pump that connects with netted collecting board below sealed tube, and pipe is connected on the bubble trap of peristaltic pump outlet.
2. contaminative gasoloid quick transmission devices according to claim 1 is characterized in that: described hybrid chamber is a T type glass tube, and water vapor generator, air suction inlet and growth chamber are connected to the different mouths of pipe of T type glass tube.
3. contaminative gasoloid quick transmission devices according to claim 1 is characterized in that: described growth chamber is the stainless-steel tube of the long 240mm inner wall smooth of external diameter 20mm.
4. contaminative gasoloid quick transmission devices according to claim 3 is characterized in that: described growth chamber is outside equipped with fan.
5. contaminative gasoloid quick transmission devices according to claim 1 is characterized in that: described water vapor generator is made up of resistive heater, platinum resistance hygrosensor and controller.
6. contaminative gasoloid quick transmission devices according to claim 1, it is characterized in that: described air suction inlet is set to taper.
7. contaminative gasoloid quick transmission devices according to claim 1 is characterized in that: described aspiration pump is the vacuum film aspiration pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202611841U CN201561890U (en) | 2009-12-07 | 2009-12-07 | Polluting aerosol rapid conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202611841U CN201561890U (en) | 2009-12-07 | 2009-12-07 | Polluting aerosol rapid conveying device |
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| Publication Number | Publication Date |
|---|---|
| CN201561890U true CN201561890U (en) | 2010-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202611841U Expired - Fee Related CN201561890U (en) | 2009-12-07 | 2009-12-07 | Polluting aerosol rapid conveying device |
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| CN (1) | CN201561890U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102478466A (en) * | 2010-11-30 | 2012-05-30 | 中国科学院大连化学物理研究所 | Sampling and sample introduction apparatus for aerosol |
| CN108315216A (en) * | 2018-05-04 | 2018-07-24 | 邯郸市疾病预防控制中心 | A kind of effective modification method of loop-mediated isothermal amplification technique false positive pollution problem |
| CN114166585A (en) * | 2021-12-15 | 2022-03-11 | 复旦大学 | But gas-solid separation's atmosphere pollutant collection system |
| CN114184731A (en) * | 2021-12-15 | 2022-03-15 | 复旦大学 | Atmospheric aerosol collection and ion detection device and method |
| CN114184437A (en) * | 2021-12-15 | 2022-03-15 | 复旦大学 | Continuous collection system of atmospheric aerosol liquid phase |
-
2009
- 2009-12-07 CN CN2009202611841U patent/CN201561890U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102478466A (en) * | 2010-11-30 | 2012-05-30 | 中国科学院大连化学物理研究所 | Sampling and sample introduction apparatus for aerosol |
| CN108315216A (en) * | 2018-05-04 | 2018-07-24 | 邯郸市疾病预防控制中心 | A kind of effective modification method of loop-mediated isothermal amplification technique false positive pollution problem |
| CN114166585A (en) * | 2021-12-15 | 2022-03-11 | 复旦大学 | But gas-solid separation's atmosphere pollutant collection system |
| CN114184731A (en) * | 2021-12-15 | 2022-03-15 | 复旦大学 | Atmospheric aerosol collection and ion detection device and method |
| CN114184437A (en) * | 2021-12-15 | 2022-03-15 | 复旦大学 | Continuous collection system of atmospheric aerosol liquid phase |
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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: 20100825 Termination date: 20181207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |