CN110132657B - Aerosol sampling box - Google Patents
Aerosol sampling box Download PDFInfo
- Publication number
- CN110132657B CN110132657B CN201910547424.2A CN201910547424A CN110132657B CN 110132657 B CN110132657 B CN 110132657B CN 201910547424 A CN201910547424 A CN 201910547424A CN 110132657 B CN110132657 B CN 110132657B
- Authority
- CN
- China
- Prior art keywords
- sampling
- main body
- sampling box
- box main
- filter paper
- 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.)
- Active
Links
- 238000005070 sampling Methods 0.000 title claims abstract description 85
- 239000000443 aerosol Substances 0.000 title claims abstract description 21
- 230000006835 compression Effects 0.000 claims abstract description 21
- 238000007906 compression Methods 0.000 claims abstract description 21
- 238000000605 extraction Methods 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 239000002245 particle Substances 0.000 description 4
- 230000002285 radioactive effect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention discloses an aerosol sampling box, which comprises a sampling box main body, wherein the upper end and the lower end of the sampling box main body are respectively provided with a sample inlet and a gas extraction opening, any side wall of the sampling box main body is open, and a door is hinged with the open side of the sampling box main body; the sampling box main body is respectively provided with a sampling pipe communicated with the sampling inlet and an exhaust pipe communicated with the exhaust inlet, a filter paper compression ring, a filter paper tray and a sealing ring are sequentially arranged between the adjacent end surfaces of the sampling pipe and the exhaust pipe from top to bottom, and a compression spring is arranged between the filter paper compression ring and the lower end surface of the sampling pipe. The invention provides an aerosol sampling box, wherein a sampling port of the sampling box directly enters a sample collecting filter paper, and the wall loss factor is small; the flat-open door type structure is convenient to change samples; the sample inlet and the extraction opening are connected by adopting a fast flange interface, and the installation and the connection are simple and convenient.
Description
Technical Field
The invention belongs to the field of airborne microparticle sampling measurement, and particularly relates to an aerosol sampling box.
Background
Airborne particle sampling is an important aspect in airborne particle measurement in industrial, environmental, and other fields, and particularly in facilities that may generate radioactive aerosols, aerosol-generating devices, aerosol-carrying effluent pipelines, flues, and the like, all require aerosol monitoring. Thus, in these devices or pipes that may generate radioactive aerosols, it is first necessary to frequently sample the radioactive airborne particles within the device or pipe. The sampling box structure mainly needs to consider that the error that sampling process introduced influences for a short time, convenient operation, installation and connection are simple. At present, the domestic sampling box structure basically extends to a structure used in the soviet union period, the sampling operation is inconvenient, the wall loss factor is large, and the installation and connection are complex.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides an aerosol sampling box.
The technical scheme of the invention is as follows:
an aerosol sampling box comprises a sampling box main body, wherein a sample inlet and a gas extraction opening are respectively formed at the upper end and the lower end of the sampling box main body, any side wall of the sampling box main body is open, and a door is hinged with the open side of the sampling box main body; the sampling box main body is respectively provided with a sampling pipe communicated with the sampling inlet and an exhaust pipe communicated with the exhaust inlet, a filter paper compression ring, a filter paper tray and a sealing ring are sequentially arranged between the adjacent end surfaces of the sampling pipe and the exhaust pipe from top to bottom, and a compression spring is arranged between the filter paper compression ring and the lower end surface of the sampling pipe.
The sampling box main body is of a square box-shaped structure.
The sample inlet and the extraction opening are respectively externally connected with a sample inlet connecting flange and an extraction opening connecting flange.
And a door sealing ring is arranged on one side of the door facing the sampling box main body.
The door is locked with the sampling box main body through a door fastener arranged on the side wall of the sampling box main body.
The upper part of the compression spring is fixedly connected with the end face of the sample injection pipe.
The end surfaces of the adjacent ends of the inlet pipe and the exhaust pipe form an epitaxial ring.
The filter paper clamping ring is of a circular ring structure, and a convex ring is formed towards one side end face of the filter paper tray.
The filter paper tray net tray comprises a disc type tray and a T-shaped handle fixedly connected with the outer circumferential wall of the tray; a circular groove is formed in the middle of the tray, and a plurality of holes are formed in the bottom of the groove.
The outer diameter of the convex ring is matched with the inner diameter of the groove, and the convex ring and the groove form a nested structure.
The beneficial effects of the invention are as follows:
the invention provides an aerosol sampling box, wherein a sampling port of the sampling box directly enters a sample collecting filter paper, and the wall loss factor is small; the flat-open door type structure is convenient to change samples; the sample inlet and the extraction opening are connected by adopting a fast flange interface, and the installation and the connection are simple and convenient.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a perspective view of the door of the present invention in an open state;
FIG. 3 is a front view of the door of the present invention in an open condition;
FIG. 4 is a schematic view of the structure of a tray of filter paper webs of the present invention;
FIG. 5 is a schematic view of the structure of the filter press ring in the present invention.
Wherein:
1. sample inlet flange 2 filter paper tray
3. Filter paper compression ring 4 sealing ring
5. Sampling box main body with extraction opening connecting flange 6
7. Door 8 door sealing ring
9. Compression spring 10 door fastener
11. Handle 12 sample injection tube
13. Convex ring of exhaust pipe 14
15. Tray 16 handle
17. And (3) a hole.
Detailed Description
The aerosol sampling cartridge of the present invention will be described in detail with reference to the drawings and examples of the specification:
as shown in fig. 1-5, an aerosol sampling box comprises a sampling box main body 6, wherein a sample inlet and a gas extraction opening are respectively formed at the upper end and the lower end of the sampling box main body 6, any side wall of the sampling box main body 6 is open, and a door 7 is hinged with the open side of the sampling box main body 6; the sampling box main body 6 is respectively provided with a sampling pipe 12 communicated with the sampling port and an exhaust pipe 13 communicated with the exhaust port, a filter paper compression ring 3, a filter paper tray 2 and a sealing ring 4 are sequentially arranged between the adjacent end surfaces of the sampling pipe 12 and the exhaust pipe 13 from top to bottom, and a compression spring 9 is arranged between the filter paper compression ring 3 and the lower end surface of the sampling pipe 12.
The sampling box main body 6 is square box-shaped and has a flat-open door type structure.
The sample inlet and the extraction opening are respectively externally connected with a sample inlet connecting flange 1 and an extraction opening connecting flange 5.
The door 7 is provided with a door sealing ring 8 towards one side of the sampling box main body 6, and the door sealing ring and the negative pressure formed by sampling air suction form the airtight of the sampling box together. .
The door 7 is locked to the cartridge body 6 by a door fastener 10 provided on a side wall of the cartridge body 6.
The upper part of the compression spring 9 is fixedly connected with the end face of the sample injection tube 12.
The end surfaces of the adjacent ends of the sample injection pipe 12 and the exhaust pipe 13 form an epitaxial ring.
The filter paper compression ring 3 is of a circular ring structure, and a convex ring 14 is formed on one side end face of the filter paper tray 2.
The filter paper tray comprises a disc-type tray 15 and a T-shaped handle 16 fixedly connected with the outer circumferential wall of the tray 15; a circular groove is formed in the middle of the tray 15, and a plurality of holes 17 are formed at the bottom of the groove.
The outer diameter of the convex ring 14 is matched with the inner diameter of the groove, so that a nested structure is formed by the filter paper net disc and the filter paper compression ring of the sample tray, and the stable installation of the paper sample is ensured.
The sealing ring is arranged below the sample tray, and the compression spring 9 is arranged above the sample tray to jointly form air tightness in the air flow direction.
The sampling box is built in a metal uranium smelting device, a sample inlet connecting flange is connected with a device sampling port through a quick connection flange, an extraction port is connected with a sampling pump through a quick connection flange, sampling filter paper is filled in a sample tray, and aerosol sampling in the device is achieved. The gas to be sampled flows in through the sample inlet, passes through the filter paper on the sample tray, and the airborne particles in the gas are collected, and the residual gas is discharged from the air extraction opening. The sampling box is easy and convenient to disassemble and assemble; the filter paper is directly aligned with the sampling port, so that the wall loss factor is small, the sampling efficiency is high, and the error caused in the sampling process is small; portal structure, the sample change convenient operation.
Claims (7)
1. An aerosol sampling cartridge, characterized in that: the sampling box comprises a sampling box main body (6) with an injection port and an extraction port formed at the upper end and the lower end respectively, wherein any side wall of the sampling box main body (6) is open, and a door (7) is hinged with the open side of the sampling box main body (6); the sampling box main body (6) is respectively provided with a sampling pipe (12) communicated with the sampling port and an exhaust pipe (13) communicated with the exhaust port, a filter paper compression ring (3), a filter paper tray (2) and a sealing ring (4) are sequentially arranged between the adjacent end surfaces of the sampling pipe (12) and the exhaust pipe (13) from top to bottom, and a compression spring (9) is arranged between the filter paper compression ring (3) and the lower end surface of the sampling pipe (12);
the filter paper compression ring (3) is of a circular ring structure, a convex ring (14) is formed towards one side end surface of the filter paper tray (2), and the filter paper tray comprises a disc type tray (15) and a T-shaped handle (16) fixedly connected with the outer circumferential wall of the tray (15); a circular groove is formed in the middle of the tray (15), a plurality of holes (17) are formed in the bottom of the groove, the outer diameter of the convex ring (14) is matched with the inner diameter of the groove, and the convex ring and the groove form a nested structure.
2. The aerosol sampling cartridge of claim 1, wherein: the sampling box main body (6) is of a square box-shaped structure.
3. The aerosol sampling cartridge of claim 1, wherein: the sample inlet and the extraction opening are respectively externally connected with a sample inlet connecting flange (1) and an extraction opening connecting flange (5).
4. The aerosol sampling cartridge of claim 1, wherein: a door sealing ring (8) is arranged on one side, facing the sampling box main body (6), of the door (7).
5. The aerosol sampling cartridge of claim 1 or 4, wherein: the door (7) is locked with the sampling box main body (6) through a door fastener (10) arranged on the side wall of the sampling box main body (6).
6. The aerosol sampling cartridge of claim 1, wherein: the upper part of the compression spring (9) is fixedly connected with the end face of the sample inlet pipe (12).
7. The aerosol sampling cartridge of claim 1, wherein: the end surfaces of the adjacent ends of the sample injection pipe (12) and the exhaust pipe (13) form an epitaxial ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910547424.2A CN110132657B (en) | 2019-06-24 | 2019-06-24 | Aerosol sampling box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910547424.2A CN110132657B (en) | 2019-06-24 | 2019-06-24 | Aerosol sampling box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110132657A CN110132657A (en) | 2019-08-16 |
| CN110132657B true CN110132657B (en) | 2024-04-09 |
Family
ID=67579214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910547424.2A Active CN110132657B (en) | 2019-06-24 | 2019-06-24 | Aerosol sampling box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110132657B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113252409B (en) * | 2021-06-07 | 2022-05-20 | 合肥瀚蓝环保科技有限公司 | Industrial waste gas capturing device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5942699A (en) * | 1997-06-12 | 1999-08-24 | R.A.Y. Buechler Ltd. | Method and apparatus for sampling contaminants |
| JP2003329689A (en) * | 2002-05-14 | 2003-11-19 | Matsushita Electric Ind Co Ltd | Sample analyzer |
| US6857328B1 (en) * | 2002-05-23 | 2005-02-22 | Sample probe for aerosol sampling apparatus | |
| CN2856982Y (en) * | 2005-12-23 | 2007-01-10 | 中国辐射防护研究院 | Continuous sampling paper feeding integrated device for radiative aerosol |
| CN108801711A (en) * | 2017-05-05 | 2018-11-13 | 中国辐射防护研究院 | A kind of aerosol sampler quickly connected |
| CN210322434U (en) * | 2019-06-24 | 2020-04-14 | 核工业理化工程研究院 | Aerosol sampling box |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101368401B1 (en) * | 2013-09-02 | 2014-02-28 | 국방과학연구소 | Aerosol-collecting device |
-
2019
- 2019-06-24 CN CN201910547424.2A patent/CN110132657B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5942699A (en) * | 1997-06-12 | 1999-08-24 | R.A.Y. Buechler Ltd. | Method and apparatus for sampling contaminants |
| JP2003329689A (en) * | 2002-05-14 | 2003-11-19 | Matsushita Electric Ind Co Ltd | Sample analyzer |
| US6857328B1 (en) * | 2002-05-23 | 2005-02-22 | Sample probe for aerosol sampling apparatus | |
| CN2856982Y (en) * | 2005-12-23 | 2007-01-10 | 中国辐射防护研究院 | Continuous sampling paper feeding integrated device for radiative aerosol |
| CN108801711A (en) * | 2017-05-05 | 2018-11-13 | 中国辐射防护研究院 | A kind of aerosol sampler quickly connected |
| CN210322434U (en) * | 2019-06-24 | 2020-04-14 | 核工业理化工程研究院 | Aerosol sampling box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110132657A (en) | 2019-08-16 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |