CN108801711A - A kind of aerosol sampler quickly connected - Google Patents

A kind of aerosol sampler quickly connected Download PDF

Info

Publication number
CN108801711A
CN108801711A CN201710310881.0A CN201710310881A CN108801711A CN 108801711 A CN108801711 A CN 108801711A CN 201710310881 A CN201710310881 A CN 201710310881A CN 108801711 A CN108801711 A CN 108801711A
Authority
CN
China
Prior art keywords
outlet side
inlet end
aerosol sampler
port
aerosol
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.)
Pending
Application number
CN201710310881.0A
Other languages
Chinese (zh)
Inventor
乔太飞
李永国
张计荣
王坤俊
陈建利
吴波
张群
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Institute for Radiation Protection
Original Assignee
China Institute for Radiation Protection
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Institute for Radiation Protection filed Critical China Institute for Radiation Protection
Priority to CN201710310881.0A priority Critical patent/CN108801711A/en
Publication of CN108801711A publication Critical patent/CN108801711A/en
Pending legal-status Critical Current

Links

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
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/2273—Atmospheric sampling

Abstract

The present invention relates to a kind of aerosol samplers quickly connected, it includes inlet end (12) and outlet side (5), the inlet end (12) is connected with outlet side (5) by connector, the connector includes fixed frame (4), miniature lever (1) and screw rack (3), the fixed setting outlet side (5) of fixed frame (4), miniature lever (1) turns movable setting outlet side (5), fixed frame (4) is hinged with miniature lever (1), screw rack (3) one end is fixedly connected with miniature lever (1), the other end is fastened on inlet end (12) by screw (11).The aerosol sampler of the present invention is, it can be achieved that quickly connection and dismounting；Air-tightness is good, light-weight, easy to carry；Property indices can meet experimental design requirement.

Description

A kind of aerosol sampler quickly connected
Technical field
The invention belongs to sampling of aerosol fields, and in particular to a kind of aerosol sampler quickly connected.
Background technology
Nuclear facilities reactor operation and other core operating process with radioaerosol generation, to reduce these substances Discharge, protect staff and environment, multiple core air purification air supplying and exhausting systems set up in nuclear facilities workshop.These are System is the last screen for preventing radioaerosol and radioiodine to enter ambient atmosphere under nuclear facilities normal operation and accident condition Barrier, it is to reduce the important link of radioactive substance release source item to ensure that they are in good state.
High efficiency particle air filter with high contaminant trapping efficiency is one of the important equipment of core air cleaning system. To ensure the reliability service of core air cleaning system, it is necessary to which the field test for carrying out high efficiency particulate air filter is determined with measuring its efficiency Whether leak.Currently, the field test of China's core air cleaning system high efficiency particulate air filter largely uses French Standard AFNOR The fluorescein sodium aerosol processing of NFX-44-011.
Invention content
To meet high efficiency particulate air filter fluorescein sodium aerosol test needs, the present invention provides a kind of aerosol quickly connected Sampler realizes quickly connection and dismounting；Air-tightness is good, light-weight, easy to carry, and property indices can meet Experimental design requirement.
To achieve the above objectives, the technical solution adopted by the present invention is：A kind of aerosol sampler quickly connected is provided, Including inlet end and outlet side, the inlet end is connected with outlet side by connector, which includes fixed frame, miniature lever And screw rack, the fixed setting of fixed frame is in outlet side, and in outlet side, fixed frame is cut with scissors the movable setting of miniature lever with miniature lever It connects, screw rack one end is fixedly connected with miniature lever, the other end is fastened on inlet end by screw.
Further, the screw rack is c-type structure, is connect with miniature lever by straight pin.
Further, the upper port of the inlet end and the lower port of outlet side are equipped with fit sealing part, in sampling joint After being connect with aerosol sampler, pass through fit sealing part fit sealing.
Further, the fit sealing component includes the pressure ring being arranged in port, is arranged between pressure ring and port Sealing ring and the threaded fastener being fastened on outside port.
Further, double-layer seal rings are equipped between the inlet end and outlet side.
Further, the inlet end lower port and outlet side upper port are all made of flaring structure.
Further, the upper port of the outlet side is equipped with support ring, and support ring is equipped with metal mesh, and metal mesh is equipped with filter Film.
The beneficial technical effect of the present invention lies in：
(1) present invention is by being arranged miniature lever, fixed frame and screw rack, to realize quickly connection and dismounting；
(2) fit sealing part is set in inlet end and outlet side, to ensure good sealing；
(3) lower port of inlet end and the upper port of outlet side are designed using flaring, to ensure air-flow uniformly across filter Film；
(4) property indices can meet experimental design requirement.
Description of the drawings
Fig. 1 is the structural schematic diagram for the aerosol sampler that the present invention quickly connects；
Fig. 2 is aerosol sampler working state figure.
In figure：
The outlet sides 1- miniature lever 2- straight pin 3- screw rack 4- fixed frame 5-
6,7, the small ring 10- metal meshes of the big ring 9- of 14-O type rubber seal 8-
11- screw 12- inlet end 13- threaded fastener 15- pressure ring 16- filter membranes
17- high efficiency particulate air filter 18- aerosol generator 19- aerosol sampler 20- volume tables
21- jet pumps
Specific implementation mode
Below in conjunction with the accompanying drawings, the specific implementation mode of the present invention is described in further detail.
As shown in Figure 1, being aerosol sampler provided by the invention, which includes inlet end 12 and outlet End 5, inlet end 12 is connected with outlet side 5 by two symmetrically arranged connectors.Wherein, each connector include fixed frame 4, Miniature lever 1 and screw rack 3, the fixed setting of fixed frame 4 in outlet side 5, the movable setting of miniature lever 1 outlet side 5 and with it is solid It is hinged to determine frame 4,3 preferred c-type structure of screw rack, one end is fixedly connected by straight pin 2 with miniature lever 1, and the other end passes through spiral shell Nail 11 is fastened on inlet end 12.
It is equipped with O-shaped rubber seal 6,7 between inlet end 12 and outlet side 5, to realize inside and outside double-layer seal, ensures good Good sealing effect.
The upper port of inlet end 12 and the lower port of outlet side 5 are equipped with fit sealing part, when experiment, in sampling of aerosol After device is connect with sampling joint, pass through the fit sealing part fit sealing.The fit sealing component includes being arranged in port Pressure ring 15 is arranged between pressure ring 15 and port equipped with O-shaped rubber seal 14 and the threaded fastener 13 being fastened on outside port.
The lower port of inlet end 12 and the upper port of outlet side 5 are all made of flaring structure, to ensure air-flow uniformly across Filter membrane.
The upper port of outlet side 5 is equipped with support ring, and support ring is equipped with metal mesh 10, and metal mesh 10 is equipped with filter membrane 16. Wherein, support ring includes big ring 8 and small ring 9.
Before sampling, screw 11 is loosened, small handle with sleeve 1 opens aerosol sampler, and the corresponding filter membrane of size 16 is placed in 10 upper layer of metal mesh, covers aerosol sampler inlet end 12, tightens screw 11 and coordinates miniature lever 1 by inlet end 12 and outlet side 5 fastenings.
As shown in Fig. 2, being working state figure when aerosol of the present invention is sampled using device.
During the experiment of 17 efficiency test of high efficiency particulate air filter, noted in 18 upstream of high efficiency particulate air filter by aerosol generator 18 Enter fluorescein sodium aerosol, sampling system is formed using by aerosol sampler 19, flow volume table 20, sampling jet pump 21 etc. Sampling of aerosol is carried out to 18 upstream and downstream of high efficiency particulate air filter respectively, it is finally molten to the gas of sampling membrane trapping in aerosol sampler Glue carries out concentration analysis, to judge its efficiency.
Sampling of aerosol of the aerosol of the present invention using device for nuclear facilities field or other fields.
The aerosol sampler of the present invention is not limited to the above-mentioned specific embodiments, and those skilled in the art are according to the present invention Technical solution obtain other embodiments, also belong to the scope of the technical innovation of the present invention.

Claims (7)

1. a kind of aerosol sampler quickly connected, including inlet end (12) and outlet side (5), the inlet end (12) and go out Gas end (5) is connected by connector, it is characterized in that：The connector includes fixed frame (4), miniature lever (1) and screw rack (3), Gu The fixed setting of frame (4) is determined in outlet side (5), and miniature lever (1) is movable to be arranged in outlet side (5), fixed frame (4) and miniature lever (1) hinged, screw rack (3) one end is fixedly connected with miniature lever (1), the other end is fastened on inlet end (12) by screw (11).
2. a kind of aerosol sampler quickly connected as described in claim 1, it is characterized in that：The screw rack (3) is c-type Structure is connect by straight pin (2) with miniature lever (1).
3. a kind of aerosol sampler quickly connected as claimed in claim 2, it is characterized in that：The inlet end (12) it is upper The lower port of port and outlet side (5) is equipped with fit sealing part, after sampling joint is connect with aerosol sampler, by tight Gu sealing element fit sealing.
4. a kind of aerosol sampler quickly connected as claimed in claim 3, it is characterized in that：The fit sealing component packet The screw thread for including the pressure ring (13) being arranged in port, the sealing ring in pressure ring (13) between port being set and is fastened on outside port Fastener (13).
5. a kind of aerosol sampler quickly connected according to any one of claims 1-4, it is characterized in that：The inlet end (12) double-layer seal rings are equipped between outlet side (5).
6. a kind of aerosol sampler quickly connected as claimed in claim 5, it is characterized in that：Inlet end (12) lower end Mouth and outlet side (5) upper port are all made of flaring structure.
7. a kind of aerosol sampler quickly connected as claimed in claim 6, it is characterized in that：The outlet side (5) it is upper Port is equipped with support ring, and support ring is equipped with metal mesh (10), and metal mesh (10) is equipped with filter membrane (16).
CN201710310881.0A 2017-05-05 2017-05-05 A kind of aerosol sampler quickly connected Pending CN108801711A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710310881.0A CN108801711A (en) 2017-05-05 2017-05-05 A kind of aerosol sampler quickly connected

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710310881.0A CN108801711A (en) 2017-05-05 2017-05-05 A kind of aerosol sampler quickly connected

Publications (1)

Publication Number Publication Date
CN108801711A true CN108801711A (en) 2018-11-13

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710310881.0A Pending CN108801711A (en) 2017-05-05 2017-05-05 A kind of aerosol sampler quickly connected

Country Status (1)

Country Link
CN (1) CN108801711A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110132657A (en) * 2019-06-24 2019-08-16 核工业理化工程研究院 Sampling of aerosol box
CN111006914A (en) * 2019-11-15 2020-04-14 中国辐射防护研究院 Quick sampling clamp for efficiency test of iodine adsorber

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CN203305112U (en) * 2013-06-26 2013-11-27 国家电网公司 Fast-assembly clamping mechanism for bearings
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CN104384960A (en) * 2014-10-30 2015-03-04 陈昊书 Device for fixedly clamping block-shaped part
CN204263032U (en) * 2014-11-28 2015-04-15 朱叶飞 Fixed C word chuck tool equipment fixture
CN104458352A (en) * 2014-12-22 2015-03-25 天津水泥工业设计研究院有限公司 Large-flow sampling device for industrial flue gas particulate matters
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CN204594760U (en) * 2015-05-18 2015-08-26 青岛和诚环保科技有限公司 Sampling head locking device and be provided with the particle collection device of this device
CN104865345A (en) * 2015-05-29 2015-08-26 福建拓普检测技术有限公司 Method for simply detecting lead content in working environment and sampling device
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CN105033891A (en) * 2015-08-11 2015-11-11 黎德方 Rapid screen pulling clamp
CN205157233U (en) * 2015-10-21 2016-04-13 核工业北京化工冶金研究院 Water sample is steady quality ware for collection system
CN105416808A (en) * 2015-12-03 2016-03-23 山西汾西重工有限责任公司 Box cover compressing mechanism for large-end-face sealing packaging box
CN205274137U (en) * 2015-12-03 2016-06-01 山西汾西重工有限责任公司 Big end face seal packing box case lid hold -down mechanism
CN205469592U (en) * 2016-01-28 2016-08-17 天津安百克电动车有限公司 Fast ann stretches a handlebar
CN205521071U (en) * 2016-02-17 2016-08-31 宝钢集团新疆八一钢铁有限公司 Special fixture of big lid of desulfurization case
CN205404221U (en) * 2016-02-29 2016-07-27 朱平 Air sampler adopts head
CN205928319U (en) * 2016-08-18 2017-02-08 河南航瑞碳化硅制品有限公司 Easy power F type anchor clamps

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110132657A (en) * 2019-06-24 2019-08-16 核工业理化工程研究院 Sampling of aerosol box
CN110132657B (en) * 2019-06-24 2024-04-09 核工业理化工程研究院 Aerosol sampling box
CN111006914A (en) * 2019-11-15 2020-04-14 中国辐射防护研究院 Quick sampling clamp for efficiency test of iodine adsorber

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