CN203929744U - Gas and aerosol component monitoring device and aerosol sampler - Google Patents
Gas and aerosol component monitoring device and aerosol sampler Download PDFInfo
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- CN203929744U CN203929744U CN201420319776.5U CN201420319776U CN203929744U CN 203929744 U CN203929744 U CN 203929744U CN 201420319776 U CN201420319776 U CN 201420319776U CN 203929744 U CN203929744 U CN 203929744U
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- cavity
- gasoloid
- aerosol
- scrubbing section
- condensation
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Abstract
The utility model provides a kind of aerosol sampler, comprises a cavity and a steam generator.Inside cavity forms a scrubbing section and a condensation increases district, and one end that condensation increases district is connected in one end of scrubbing section, and cavity one end is provided with a gasoloid entrance, and gasoloid entrance is adjacent to scrubbing section, and cavity other end place is provided with bleeding point and receives sample mouth.Steam generator has a steam nozzle, and steam nozzle stretches into the scrubbing section of cavity, and steam nozzle is towards gasoloid entrance.By this, can promote the efficiency that gasoloid is collected.The utility model also provides a kind of gas and aerosol component monitoring device.
Description
Technical field
The utility model relates to a kind of gas and aerosol component monitoring device and aerosol sampler of online particulate sampling.
Background technology
Gasoloid (aerosol) is less than the particulate of 100 μ m for being suspended in particle diameter in air, the aerosol particles being comprised of various different-grain diameters and different chemical in environment, can cause impact in various degree to health, weather, visibility and quality of the life.Recent study is found, gasoloid is being played the part of key player in our complex environment, these particulates directly affect the thermal equilibrium of the earth by absorption, scattering and radiation, the material that also can affect indirectly minority in atmosphere forms, and cause ozone and other chemical substance to generate or destroy.
For aerocolloidal research, many documents have deep theoretical foundation and model, for studying its character nothing more than actual samples and remote measurement, but being limited to gasoloid can be along with time and spatial variations, so still have many uncertain factors immediately to learn, as aerocolloidal distribution, particle size and concentration etc.Yet gasoloid is because of the size of volume, and cannot collect easily, and lack at present effective collection mode, therefore cannot promote the efficiency that gasoloid is collected.
Chinese patent Granted publication CN101315314B discloses a kind of " atmospheric aerosol trapping method and device ", it is characterized in that utilizing electrically heated rod heating in the pure water of constant current continuously to produce steam, described steam meets with large entraining air stream in being grown up in chamber in gasoloid moisture absorption, the stop of growing up in chamber in gasoloid moisture absorption along with vapor stream, be accompanied by nature cooling effect, gasoloid moisture absorption is grown up, the gasoloid that air-flow has been grown up with moisture absorption enters cooling coil(ed) pipe, make the cooling formation solution of hot vapour air-flow, in this process, gasoloid is captured to solution, the solution that air-flow forms with condensation is realized the separated and aerocolloidal collection of gas-liquid in gasoloid impact collector.Only, above-mentioned patent still cannot effectively promote the efficiency that gasoloid is collected.
In sum, the above-mentioned disappearance of the utility model people thoughts can be improved, and is that spy concentrates on studies and coordinates the application of scientific principle, finally proposes a kind of reasonable in design and effectively improve the utility model of above-mentioned disappearance.
Summary of the invention
Technical problem to be solved in the utility model, is to provide a kind of gas and aerosol component monitoring device and aerosol sampler, can promote the efficiency that gasoloid is collected.
In order to solve above-mentioned technical matters, the utility model provides a kind of gas and aerosol component monitoring device, comprise: an aerosol sampler, comprise a cavity and a steam generator, this inside cavity forms a scrubbing section and a condensation increases district, and one end that this condensation increases district is connected in one end of this scrubbing section, and this cavity one end is provided with a gasoloid entrance, this gasoloid entrance is adjacent to this scrubbing section, and this cavity other end place is provided with bleeding point and receives sample mouth; This steam generator has a steam nozzle, and this steam nozzle stretches into the scrubbing section of this cavity, and this steam nozzle is towards this gasoloid entrance; One screening washer; One denuder; One wetting mechanism, this screening washer, this denuder and this wetting mechanism are connected in this gasoloid entrance; And an analytical instrument, described receipts sample mouth is connected in this analytical instrument.
In an embodiment of gas of the present utility model and aerosol component monitoring device, this denuder is connected in one first bubble trap, this first bubble trap is connected in this analytical instrument by a gas automatic sampling pump, described receipts sample mouth is connected in one second bubble trap, and this second bubble trap is connected in this analytical instrument by a gasoloid auto injection pump.
In another embodiment of gas of the present utility model and aerosol component monitoring device, this steam nozzle extends the center of this scrubbing section, and this steam nozzle is relative with the center of this gasoloid entrance.
In another embodiment of gas of the present utility model and aerosol component monitoring device, the position that this chamber outer wall increases district corresponding to this condensation is provided with a refrigerating plant, the other end that this condensation increases district forms taper and is provided with an opening, the other end place that this condensation increases district is provided with a shock plate, and this opening is towards this shock plate.
In order to solve the problems of the technologies described above, the utility model also provides a kind of aerosol sampler, comprise: a cavity, an inner scrubbing section and the condensation increase district of forming, the one end in this condensation increase district is connected in one end of this scrubbing section, this cavity one end is provided with a gasoloid entrance, and this gasoloid entrance is adjacent to this scrubbing section, and this cavity other end place is provided with bleeding point and receives sample mouth; And a steam generator, thering is a steam nozzle, this steam nozzle stretches into the scrubbing section of this cavity, and this steam nozzle is towards this gasoloid entrance.
In an embodiment of aerosol sampler of the present utility model, this cavity is inclined to set, and this cavity is fallen progressively highly toward the other end from the one end that is provided with this gasoloid entrance, and the angle of inclination of this cavity is between 5 degree to 90 degree.
In another embodiment of aerosol sampler of the present utility model, this steam nozzle extends the center of this scrubbing section, and this steam nozzle is relative with the center of this gasoloid entrance.
In another embodiment of aerosol sampler of the present utility model, the position that this chamber outer wall increases district corresponding to this condensation is provided with a refrigerating plant.
In another embodiment of aerosol sampler of the present utility model, the other end that this condensation increases district forms taper and is provided with an opening, and the other end place that this condensation increases district is provided with a shock plate, and this opening is towards this shock plate.
In another embodiment of aerosol sampler of the present utility model, the angle that this condensation increases district's other end tapering is between 10 degree to 80 degree.
The utility model at least has advantages of following:
The steam nozzle of the utility model steam generator is towards the gasoloid entrance of cavity, thereby the gasoloid that wish is collected mixes with steam, the gasoloid of this gasoloid entrance input can produce collision with the steam of this steam nozzle ejection, because steam has larger specific surface area, and gasoloid flow direction and steam are just in time contrary, therefore can promote gasoloid collection efficiency.
The utility model can utilize the cooling cavity of refrigerating plant, and gasoloid and steam increase district and quality and volume are increased through condensation, then by inertia impact mode, by gasoloid supplementary set, therefore can form for two stages, collects gasoloid, more promotes gasoloid collection efficiency.
For enabling further to understand feature of the present utility model and technology contents, refer to following about detailed description of the present utility model and accompanying drawing, yet appended accompanying drawing only provide with reference to and explanation use, be not used for to the utility model limitr in addition.
Accompanying drawing explanation
Fig. 1 is the stereographic map of the utility model aerosol sampler.
Fig. 2 is the cut-open view of the utility model aerosol sampler.
Fig. 3 is the A parts of fine portion amplification view of Fig. 2.
Fig. 4 is the schematic diagram of the utility model gas and aerosol component monitoring device.
Wherein, description of reference numerals is as follows:
100 aerosol samplers
1 cavity
11 first bodys
12 second bodys
13 gasoloid entrances
14 connecting pipes
15 first receive sample mouth
16 second receive sample mouth
17 the 3rd receive sample mouth
18 bleeding points
19 interior mark entrances
1A scrubbing section
1B condensation increases district
1C opening
1D shock plate
L center line
θ angle
3 steam generators
31 steam nozzles
5 refrigerating plants
7 bracing frames
101 thief hatchs
102 screening washers
103 denuders
104 wetting mechanisms
105 first bubble traps
106 gas automatic sampling pumps
107 kation chromatography instrument
108 anion chromatography instrument
109 second bubble traps
110 gasoloid auto injection pumps
111 aspiration pumps
Embodiment
[the first embodiment]
Refer to Fig. 1 to Fig. 3, the utility model provides a kind of aerosol sampler 100, comprises a cavity 1 and a steam generator 3.Wherein this cavity 1 is a ducted body, it can adopt the design of multistage combination or integral type, the present embodiment discloses the design that this cavity 1 adopts multistage combination, that is this cavity 1 can be formed by combining by one first body 11 and one second body 12, this cavity 1 is better but do not limit rounded body, also can be the body of other shapes.
This cavity 1 inside sequentially forms a scrubbing section 1A and a condensation increases district 1B, and one end that this condensation increases district 1B is connected in one end of scrubbing section 1A.This condensation increases the district 1B other end and forms taper, that is the internal diameter size that this condensation increases the district 1B other end is from the one end that approaches scrubbing section 1A toward successively decreasing away from one end of scrubbing section 1A, the angle θ that this condensation increases district 1B other end tapering can be between 10 degree to 80 degree, be preferably 50 degree, but do not limit.The other end that this condensation increases district 1B is formed with an opening 1C, and the internal diameter of this opening 1C can be 1mm to 3mm, is preferably 2mm, but does not limit.The other end place that this condensation increases district 1B can be provided with a shock plate 1D, and this opening 1C is towards shock plate 1D, and this shock plate 1D can be glass plate or other plate bodys.
This cavity 1 one end is provided with a gasoloid entrance 13, this gasoloid entrance 13 is adjacent to scrubbing section 1A, this gasoloid entrance 13 can be connected with a connecting pipe 14, and this connecting pipe 14 can be the body of bend pipe or other shapes, to utilize this connecting pipe 14 that gasoloid is imported to this aerosol sampler 100.
This cavity 1 other end place is provided with receives sample mouth 15,16,17, those are received sample mouth 15,16,17 and are adjacent to the other end that condensation increases district 1B, can be defined as respectively the first receipts sample mouth 15, second and receive sample mouth 16 and the 3rd receipts sample mouth 17, this first receipts sample mouth 15, second receives sample mouth 16 and the 3rd receipts sample mouth 17 communicates with this cavity 1 inside.This cavity 1 is inclined to set, that is this cavity 1 height that fallen progressively from the one end that is provided with gasoloid entrance 13 toward the other end, with the aerocolloidal discharge of convenient this cavity 1 inner liquefaction, the angle of inclination of this cavity 1 between 5 degree to 90 degree, with 20 degree for better.This cavity 1 can utilize a bracing frame 7 or support to form with other forms of supporting mechanism and be obliquely installed, and the structure of this bracing frame 7 does not limit.
This cavity 1 other end place is provided with a bleeding point 18, this bleeding point 18 is connected with cavity 1 inside, this bleeding point 18 can be connected in an aspiration pump 111 (as shown in Figure 4), in order to pump the gasoloid of this cavity 1 inside, by gasoloid entrance 13, towards bleeding point 18 directions, is flowed.This cavity 1 other end place can further be provided with an interior mark entrance 19, can be in order to inject the interior mark standard items (as shown in Figure 4) such as lithium bromide.The alleged internal reference method of chromatograph, after adding exactly the standard items of known volumetric molar concentration to mix with liquefied gas colloidal sol, calculates actual volumetric molar concentration through chromatograph in sample, calculates by this aerocolloidal actual sample amount of liquefaction.
This steam generator 3 can be connected in cavity 1, and the structure of this steam generator 3 does not limit, for example, can utilize electrically heated rod heating pure water to produce steam.This steam generator 3 has a steam nozzle 31, and this steam nozzle 31 stretches into the scrubbing section 1A of cavity 1, and this steam nozzle 31 is preferably the center that extends scrubbing section 1A, and this steam nozzle 31 is towards gasoloid entrance 13.This steam nozzle 31 is preferably the center that extends scrubbing section 1A, and relative with the center of this gasoloid entrance 13, that is this steam nozzle 31 can be positioned in the centre line L of scrubbing section 1A and gasoloid entrance 13.The gasoloid of these gasoloid entrance 13 inputs can produce collision with the steam of these steam nozzle 31 ejections, the effect because clashing into and directly intercepting compared with the gasoloid in atmosphere kinetochore footpath and steam, and the gasoloid (collection liquid) of formation liquefaction, this is the gasoloid that the first stage collects, and the gasoloid of this liquefaction can flow to the first receipts sample mouth 15 along with cavity 1 inwall.The steam that this steam generator 3 produces, except can, in order to wash lower gasoloid, also providing cavity 1 inner wet environment.
The position that this cavity 1 outer wall increases district 1B corresponding to condensation can further arrange a refrigerating plant 5, and cold junction contact cavity 1 outer wall of this refrigerating plant 5, therefore can utilize the cooling cavity 1 of this refrigerating plant 5.First stage does not collect the gasoloid that pneumatic particle diameter is less and absorbs remaining steam, gasoloid and steam increase district 1B through condensation, because reducing sharply, temperature reaches oversaturated wet environment, gasoloid causes the increase of gasoloid quality and volume because moisture absorption increases, rear end, again by inertia impact mode, makes the gasoloid increasing clash into this shock plate 1D, by gasoloid supplementary set, the gasoloid that this collects for subordinate phase, this gasoloid can flow to the second receipts sample mouth 16 and the 3rd and receive sample mouth 17.
[the second embodiment]
Refer to Fig. 4, the utility model also provides a kind of gas and aerosol component monitoring device, include an above-mentioned aerosol sampler 100, the gasoloid entrance 13 of this aerosol sampler 100 (seeing also Fig. 1 to Fig. 3) can utilize connecting pipe 14 to be connected in thief hatch 101, screening washer 102, denuder (claiming again gas-solid separator) 103 and wetting mechanism 104, that is this screening washer 102, denuder 103 and wetting mechanism 104 are connected in gasoloid entrance 13.This thief hatch 101 can be the thief hatch device of various types or is omitted.This screening washer 102 can be the screening washer of cyclone centrifugal formula screening washer or other patterns.This denuder 103 can be the concentric pipe denuder of a kind of wet type, absorption liquid can inject from top, flow through the inner and outer pipes of separation vessel, gas and gasoloid, by moistening inner and outer pipes gap, are guided and supported out in the absorption liquid of inside and outside tube wall and by punching because diffusion principle causes the Ions Absorption of easy molten water in gas.This denuder 103 is connected in one first bubble trap 105, this first bubble trap 105 is connected in an analytical instrument by a gas automatic sampling pump 106, this analytical instrument can be the analytical instrument of ion chromatograph or other patterns, and this analytical instrument is ion chromatograph (can comprise kation chromatography instrument 107 and anion chromatography instrument 108) in the present embodiment.This screening washer 102 can be more than the pneumatic particle diameter 2.5 μ m of filtering gasoloid (particulate), pass through denuder 103 with air-flow again, by soluble gas absorption, again by collected water sample after the first bubble trap 105 de-bubbles are filtered, import again ion chromatograph, analyze gaseous ion composition soluble in water.
Gasoloid is removed after gas disturbs and is passed through wetting mechanism 104, be delivered to again this aerosol sampler 100, those are received sample mouth 15,16,17 and are connected in one second bubble trap 109, and this second bubble trap 109 is connected in ion chromatograph (can comprise kation chromatography instrument 107 and anion chromatography instrument 108) by a gasoloid auto injection pump 110.Described gasoloid, after first stage and subordinate phase collection, can be received sample mouth 15,16,17 by those and be delivered to the second bubble trap 109, after the second bubble trap 109 de-bubbles are filtered, then imports ion chromatograph, analyzes aerosol ion composition soluble in water.
The steam nozzle of the utility model steam generator is towards the gasoloid entrance of cavity, thereby the gasoloid that wish is collected mixes with steam, the gasoloid of this gasoloid entrance input can produce collision with the steam of this steam nozzle ejection, because steam has larger specific surface area, and gasoloid flow direction and steam are just in time contrary, therefore can promote gasoloid collection efficiency.
The utility model further utilizes the cooling cavity of refrigerating plant, gasoloid and steam increase district and quality and volume are increased through condensation, then by inertia impact mode, by gasoloid supplementary set, therefore can form for two stages, collect gasoloid, more can promote gasoloid collection efficiency.The utility model gasoloid collection efficiency: the above aerocolloidal collection efficiency of pneumatic particle diameter 1 μ m can reach more than 99%.
Only the foregoing is only preferred embodiment of the present utility model; non-ly be intended to limit to scope of patent protection of the present utility model; therefore such as use the equivalence that the utility model instructions and accompanying drawing content are done to change, be all in like manner all contained within the scope of rights protection of the present utility model, close and give Chen Ming.
Claims (10)
1. gas and an aerosol component monitoring device, is characterized in that, this gas and aerosol component monitoring device comprise:
One aerosol sampler, comprise a cavity and a steam generator, this inside cavity forms a scrubbing section and a condensation increases district, the one end in this condensation increase district is connected in one end of this scrubbing section, this cavity one end is provided with a gasoloid entrance, this gasoloid entrance is adjacent to this scrubbing section, and this cavity other end place is provided with bleeding point and receives sample mouth; This steam generator has a steam nozzle, and this steam nozzle stretches into the scrubbing section of this cavity, and this steam nozzle is towards this gasoloid entrance;
One screening washer;
One denuder;
One wetting mechanism, this screening washer, this denuder and this wetting mechanism are connected in this gasoloid entrance; And
One analytical instrument, described receipts sample mouth is connected in this analytical instrument.
2. gas according to claim 1 and aerosol component monitoring device, it is characterized in that, this denuder is connected in one first bubble trap, this first bubble trap is connected in this analytical instrument by a gas automatic sampling pump, described receipts sample mouth is connected in one second bubble trap, and this second bubble trap is connected in this analytical instrument by a gasoloid auto injection pump.
3. gas according to claim 1 and aerosol component monitoring device, is characterized in that, this steam nozzle extends the center of this scrubbing section, and this steam nozzle is relative with the center of this gasoloid entrance.
4. gas according to claim 1 and aerosol component monitoring device, it is characterized in that, the position that this chamber outer wall increases district corresponding to this condensation is provided with a refrigerating plant, the other end that this condensation increases district forms taper and is provided with an opening, the other end place that this condensation increases district is provided with a shock plate, and this opening is towards this shock plate.
5. an aerosol sampler, is characterized in that, this aerosol sampler comprises:
One cavity, an inner scrubbing section and the condensation increase district of forming, the one end in this condensation increase district is connected in one end of this scrubbing section, and this cavity one end is provided with a gasoloid entrance, this gasoloid entrance is adjacent to this scrubbing section, and this cavity other end place is provided with bleeding point and receives sample mouth; And
One steam generator, has a steam nozzle, and this steam nozzle stretches into the scrubbing section of this cavity, and this steam nozzle is towards this gasoloid entrance.
6. aerosol sampler according to claim 5, is characterized in that, this cavity is inclined to set, and this cavity is fallen progressively highly toward the other end from the one end that is provided with this gasoloid entrance, and the angle of inclination of this cavity is between 5 degree to 90 degree.
7. aerosol sampler according to claim 5, is characterized in that, this steam nozzle extends the center of this scrubbing section, and this steam nozzle is relative with the center of this gasoloid entrance.
8. aerosol sampler according to claim 5, is characterized in that, the position that this chamber outer wall increases district corresponding to this condensation is provided with a refrigerating plant.
9. aerosol sampler according to claim 5, is characterized in that, the other end that this condensation increases district forms taper and is provided with an opening, and the other end place that this condensation increases district is provided with a shock plate, and this opening is towards this shock plate.
10. aerosol sampler according to claim 9, is characterized in that, the angle that this condensation increases district's other end tapering is between 10 degree to 80 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420319776.5U CN203929744U (en) | 2014-06-16 | 2014-06-16 | Gas and aerosol component monitoring device and aerosol sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420319776.5U CN203929744U (en) | 2014-06-16 | 2014-06-16 | Gas and aerosol component monitoring device and aerosol sampler |
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| Publication Number | Publication Date |
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| CN203929744U true CN203929744U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420319776.5U Expired - Fee Related CN203929744U (en) | 2014-06-16 | 2014-06-16 | Gas and aerosol component monitoring device and aerosol sampler |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895999A (en) * | 2017-03-17 | 2017-06-27 | 华南师范大学 | A kind of rinsing type is without filter membrane sampling apparatus for atmospheric particulate matter |
| CN110146458A (en) * | 2019-06-11 | 2019-08-20 | 中国科学院化学研究所 | A kind of atmosphere solubility brown carbon on-line detecting system and detection method |
| CN113702359A (en) * | 2021-08-19 | 2021-11-26 | 伊创仪器科技（广州）有限公司 | Aerosol multi-metal online monitoring system and working method thereof |
-
2014
- 2014-06-16 CN CN201420319776.5U patent/CN203929744U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895999A (en) * | 2017-03-17 | 2017-06-27 | 华南师范大学 | A kind of rinsing type is without filter membrane sampling apparatus for atmospheric particulate matter |
| CN110146458A (en) * | 2019-06-11 | 2019-08-20 | 中国科学院化学研究所 | A kind of atmosphere solubility brown carbon on-line detecting system and detection method |
| CN113702359A (en) * | 2021-08-19 | 2021-11-26 | 伊创仪器科技（广州）有限公司 | Aerosol multi-metal online monitoring system and working method thereof |
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| 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: 20141105 Termination date: 20190616 |
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| CF01 | Termination of patent right due to non-payment of annual fee |