CN103969093A - Gas adsorption sampling device - Google Patents
Gas adsorption sampling device Download PDFInfo
- Publication number
- CN103969093A CN103969093A CN201410194335.1A CN201410194335A CN103969093A CN 103969093 A CN103969093 A CN 103969093A CN 201410194335 A CN201410194335 A CN 201410194335A CN 103969093 A CN103969093 A CN 103969093A
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- Prior art keywords
- sampling
- end filter
- air inlet
- adsorption tube
- filter screen
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- 238000005070 sampling Methods 0.000 title claims abstract description 88
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 52
- 239000003463 adsorbent Substances 0.000 claims abstract description 18
- 239000012528 membrane Substances 0.000 claims description 31
- 238000010521 absorption reaction Methods 0.000 claims description 21
- 238000012856 packing Methods 0.000 claims description 11
- 239000003365 glass fiber Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 description 7
- 210000000080 chela (arthropods) Anatomy 0.000 description 5
- 239000000835 fiber Substances 0.000 description 5
- 238000000197 pyrolysis Methods 0.000 description 5
- 241000040710 Chela Species 0.000 description 4
- 239000012494 Quartz wool Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000011491 glass wool Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 239000002808 molecular sieve Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of air detecting devices, particularly to a gas adsorption sampling device. The device comprises an air inlet sleeve pipe, an adsorption pipe and a sampling sleeve pipe, wherein the air inlet sleeve pipe is in a convex shape, and the sampling sleeve pipe is in a reversed convex shape; a blocking table is fixedly mounted on an inner wall of the lower end of the adsorption pipe, a sampling end filter screen is mounted on the blocking table, and a sampling end filter film is mounted at the upper end of the sampling end filter screen; the upper part of the sampling end filter film is filled with an adsorbent; an air inlet end filter film is mounted above the adsorbent, an air inlet end filter screen is mounted above the air inlet end filter film, and a tension ring is mounted above the air inlet end filter screen; the outer side of the upper end of the adsorption pipe is connected with the inner side of the lower end of the air inlet sleeve pipe by threads, and the outer side of the lower end of the adsorption pipe is connected with the inner side of the upper end of the sampling sleeve pipe by threads. The device has the advantages of reasonable and compact structure, good convenience in usage, good convenience in mounting and dismounting, high safety, labor conservation, good convenience and high efficiency. Besides, the device can meet the requirement that the experimenter can fill the adsorption pipe by self.
Description
Technical field
the present invention relates to air detecting device technical field, is a kind of gas absorption sampling apparatus.
Background technology
in Detection of Air Quality process, generally use sampling pump to utilize the suction-operated of adsorbent in adsorption tube, pollutant is adsorbed on the solid adsorbent in adsorption tube, and this method of sampling is widely used.Adsorbent multidigit pulverulent solids in adsorption tube, conventional adsorbent comprises: porous polymer, modified carbon black, carbonization molecular sieve or molecular sieve etc., the gas absorption pipe price filling is higher, but along with the raising of people to environmental concern degree, evaluating objects species is more and more, and the demand of experimenter oneself filling adsorption tube displays all the more.
in the filling process of adsorption tube, when filling working expenditure, and also high to technical requirement.If adsorption tube is filled too pine, adsorbent is the mobile internal voids that forms easily, impact sampling; Otherwise, can in adsorption tube, form higher impedance, and then the failure or make pyrolysis analyse Efficiency Decreasing of causing sampling; The problem of most critical is that filling adsorption tube need to be used glass wool/quartz wool, because glass wool/quartz wool fiber is tiny, in use, can form filamentary fibers, flies away in air, can cause discomfort to health.
Summary of the invention
the invention provides a kind of gas absorption sampling apparatus, overcome the deficiency of above-mentioned prior art, the problem that what it can effectively solve that existing adsorption tube exists in filling process waste time and energy, operating efficiency is lower, on high, the easy impact of technical requirement sampling, the failure or make pyrolysis analyse the problem of Efficiency Decreasing of causing sampling, and filamentary fibers is flown away in air, can impact healthy, the problem that has potential safety hazard.
technical scheme of the present invention realizes by following measures:
a kind of gas absorption sampling apparatus, comprises air inlet sleeve pipe, adsorption tube and sampling sleeve, and air inlet sleeve pipe is " protruding " font, and sampling sleeve is inverted "convex" shape; On the lower end inwall of adsorption tube, be installed with Ka Tai, sampling end filter screen is installed on Ka Tai, the upper end of sampling end filter screen is provided with sampling end filter membrane; The top of sampling end filter membrane is filled with adsorbent; The top of adsorbent is provided with inlet end filter membrane, and the top of inlet end filter membrane is provided with inlet end filter screen, and the top of inlet end filter screen is provided with tension link; The outside, upper end of adsorption tube is threaded connection with the inner side, lower end of air inlet sleeve pipe, and the outside, lower end of adsorption tube is threaded connection with the inner side, upper end of sampling sleeve.
the further optimization and/or improvements to foregoing invention technical scheme below:
the inwall of the junction, upper and lower of above-mentioned air inlet sleeve pipe is provided with packing ring, and the inwall of the junction, upper and lower of sampling sleeve is provided with packing ring.
above-mentioned packing ring is copper washer or rubber washer.
above-mentioned sampling end filter screen and inlet end filter screen are stainless (steel) wire.
above-mentioned sampling end filter membrane and inlet end filter membrane are glass fiber filter.
above-mentioned Ka Tai and adsorption tube are structure as a whole.
reasonable and compact in structure of the present invention, easy to use, its disassembly process is simple, and technical difficulty is low, easy to operate, can meet the demand of experimenter oneself filling adsorption tube, to adapt to the increasing requirement of experiment of evaluating objects thing; Adopt glass fiber filter and stainless (steel) wire, thereby avoided in the process of use glass wool/quartz wool, the filamentary fibers of formation is flown away in air, and the healthy of operating personnel caused damage, improve experiment safety, there is safe, laborsaving, easy, efficient feature.
Brief description of the drawings
the main TV structure schematic diagram that accompanying drawing 1 is most preferred embodiment of the present invention.
accompanying drawing 2 is the plan structure schematic diagram of tension link in accompanying drawing 1.
accompanying drawing 3 is the plan structure schematic diagram of inlet end filter screen and sampling end filter screen in accompanying drawing 1.
accompanying drawing 4 is the main TV structure schematic diagram for dismounting dismounting pincers of the present invention.
accompanying drawing 5 is the perspective view of chela in accompanying drawing 4.
coding in accompanying drawing is respectively: 1 is air inlet sleeve pipe, and 2 is adsorption tube, and 3 is sampling sleeve, and 4 is Ka Tai, and 5 is sampling end filter screen, 6 is sampling end filter membrane, and 7 is adsorbent, and 8 is inlet end filter membrane, and 9 is inlet end filter screen, 10 is tension link, and 11 is packing ring, and 12 is handle, and 13 is chela.
Embodiment
the present invention is not subject to the restriction of following embodiment, can determine concrete embodiment according to technical scheme of the present invention and actual conditions.
in the present invention, for convenience of description, the description of the relative position relation of each parts is to be all described according to the Butut mode of Figure of description 1, as: the position relationship of forward and backward, upper and lower, left and right etc. is to determine according to the Butut direction of Figure of description 1.
below in conjunction with embodiment and accompanying drawing, the invention will be further described:
as shown in accompanying drawing 1,2,3, this gas absorption sampling apparatus comprises air inlet sleeve pipe 1, adsorption tube 2 and sampling sleeve 3, and air inlet sleeve pipe 1 is " protruding " font, and sampling sleeve 3 is inverted "convex" shape; On the lower end inwall of adsorption tube 2, be installed with card platform 4, on card platform 4, sampling end filter screen 5 be installed, the upper end of sampling end filter screen 5 is provided with sampling end filter membrane 6; The top of sampling end filter membrane 6 is filled with adsorbent 7; The top of adsorbent 7 is provided with inlet end filter membrane 8, and the top of inlet end filter membrane 8 is provided with inlet end filter screen 9, and the top of inlet end filter screen 9 is provided with tension link 10; The outside, upper end of adsorption tube 2 is threaded connection with the inner side, lower end of air inlet sleeve pipe 1, and the outside, lower end of adsorption tube 2 is threaded connection with the inner side, upper end of sampling sleeve 3.Like this, this gas absorption harvester is formed by connecting by several modules, and easy accessibility is time saving and energy saving, low to technical requirement, there will not be adsorption tube 2 to fill too pine or too tight situation, and what can ensure sampling carries out the efficiency analysed with pyrolysis smoothly; Can meet the demand of experimenter oneself filling adsorption tube 2, to adapt to the increasing requirement of experiment of evaluating objects thing; Adopt the combination of inlet end filter membrane 8, inlet end filter screen 9, sampling end filter membrane 6, sampling end filter screen 5, thereby avoid in the process of use glass wool/quartz wool, filamentary fibers is flown away in air, the healthy of operating personnel caused damage, improved the security of gas absorption pipe filling operation.
can according to actual needs, above-mentioned gas adsorbing and sampling device be made further optimization and/or improvements:
as shown in Figure 1, the inwall of the junction, upper and lower of above-mentioned air inlet sleeve pipe 1 is provided with packing ring 11, and the inwall of the junction, upper and lower of sampling sleeve 3 is provided with packing ring 11.Like this, in the time that the lower end of air inlet sleeve pipe 1 is connected with the upper end of adsorption tube 2, when the upper end of sampling sleeve 3 is connected with the lower end of adsorption tube 2, packing ring 11 can closely couple together air inlet sleeve pipe 1, adsorption tube 2 and sampling sleeve 3, air tight, guarantees the reliability of sampling.
as shown in Figure 1, above-mentioned packing ring 11 is copper washer or rubber washer.Rubber washer has good elasticity, good airproof performance, and cost is low; Copper washer Stability Analysis of Structures, not fragile, sealing and Heat stability is good.
as shown in accompanying drawing 1,3, above-mentioned sampling end filter screen 5 and inlet end filter screen 9 are stainless (steel) wire.Adopt stainless (steel) wire structural strength high, not fragile, stable performance, long service life, can guarantee that the stable of sampling operation carries out.
as shown in Figure 1, above-mentioned sampling end filter membrane 6 and inlet end filter membrane 8 are glass fiber filter.Adopt glass fiber filter, good filtration effect, cost is low, stable performance.
as shown in Figure 1, above-mentioned card platform 4 is structure as a whole with adsorption tube 2.Like this, card platform 4 and adsorption tube 2 are one-body molded, and structural strength is high, easy to process, cost-saving.
as shown in accompanying drawing 4,5, be the dismounting pincers for this gas absorption sampling apparatus of dismounting, dismounting pincers comprise handle 12 and are arranged on the chela 13 of handle 12 lower ends.Dismounting pincers are specially for the adsorbent 7 in filling and dismounting adsorption tube 2 designs, when filling, be used for tension link 10 horizontal slidings to enter adsorption tube 2, make tension link 10 and inlet end filter screen 9 close contacts, play fixation, when dismounting, be used for tension link 10 steadily to pull out.
above technical characterictic has formed most preferred embodiment of the present invention, and it has stronger adaptability and best implementation result, can increase and decrease according to actual needs non-essential technical characterictic, meets the demand of different situations.
the use procedure of most preferred embodiment of the present invention:
first, adsorption tube 2 is vertically placed, make one end that adsorption tube 2 has a card platform 4 down, on card platform 4, fixedly mount sampling end filter screen 5, sampling end filter membrane 6 is installed on sampling end filter screen 5, the diameter of sampling end filter membrane 6 is identical with the internal diameter of adsorption tube 2, adsorbent 7 is packed in adsorption tube 2, at the upper cap upper air end filter membrane 8 of adsorbent 7, the diameter of inlet end filter membrane 8 is identical with the internal diameter of adsorption tube 2, on inlet end filter membrane 8, cover again inlet end filter screen 9, then tension link 10 is placed on inlet end filter screen 9, hold the handle 12 of dismounting pincers, and adjust the position of tension link 10 with chela 13, make adsorbent 7, inlet end filter membrane 8, inlet end filter screen 9, sampling end filter membrane 6, 5 contacts of sampling end filter screen are good.
then, air inlet sleeve pipe 1 is tightened in to the upper end of adsorption tube 2, sampling sleeve 3 is tightened in to the lower end of adsorption tube 2, like this, just form an overall gas absorption sampling apparatus, sampling sleeve 3 is connected on air sampling pump, can be used for the sampling of environmental air quality testing, in accompanying drawing 1, arrow a's is oriented to gas flow.
finally, after sampling finishes, if what use is copper washer, this gas absorption sampling apparatus entirety can be put into pyrolysis device, after also air inlet sleeve pipe 1 and sampling sleeve 3 can being taken off, only adsorption tube 2 is placed in pyrolysis device, simple to operate flexibly.
Claims (10)
1. a gas absorption sampling apparatus, is characterized in that comprising air inlet sleeve pipe, adsorption tube and sampling sleeve, and air inlet sleeve pipe is " protruding " font, and sampling sleeve is inverted "convex" shape; On the lower end inwall of adsorption tube, be installed with Ka Tai, sampling end filter screen is installed on Ka Tai, the upper end of sampling end filter screen is provided with sampling end filter membrane; The top of sampling end filter membrane is filled with adsorbent; The top of adsorbent is provided with inlet end filter membrane, and the top of inlet end filter membrane is provided with inlet end filter screen, and the top of inlet end filter screen is provided with tension link; The outside, upper end of adsorption tube is threaded connection with the inner side, lower end of air inlet sleeve pipe, and the outside, lower end of adsorption tube is threaded connection with the inner side, upper end of sampling sleeve.
2. gas absorption sampling apparatus according to claim 1, is characterized in that the inwall of the junction, upper and lower of air inlet sleeve pipe is provided with packing ring, and the inwall of the junction, upper and lower of sampling sleeve is provided with packing ring.
3. gas absorption sampling apparatus according to claim 2, is characterized in that packing ring is copper washer or rubber washer.
4. according to the gas absorption sampling apparatus described in claim 1 or 2 or 3, it is characterized in that sampling end filter screen and inlet end filter screen are stainless (steel) wire.
5. according to the gas absorption sampling apparatus described in claim 1 or 2 or 3, it is characterized in that sampling end filter membrane and inlet end filter membrane are glass fiber filter.
6. gas absorption sampling apparatus according to claim 4, is characterized in that sampling end filter membrane and inlet end filter membrane are glass fiber filter.
7. according to the gas absorption sampling apparatus described in claim 1 or 2 or 3, it is characterized in that Ka Tai and adsorption tube are structure as a whole.
8. gas absorption sampling apparatus according to claim 4, is characterized in that Ka Tai and adsorption tube are structure as a whole.
9. gas absorption sampling apparatus according to claim 5, is characterized in that Ka Tai and adsorption tube are structure as a whole.
10. gas absorption sampling apparatus according to claim 6, is characterized in that Ka Tai and adsorption tube are structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410194335.1A CN103969093A (en) | 2014-05-08 | 2014-05-08 | Gas adsorption sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410194335.1A CN103969093A (en) | 2014-05-08 | 2014-05-08 | Gas adsorption sampling device |
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| Publication Number | Publication Date |
|---|---|
| CN103969093A true CN103969093A (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410194335.1A Pending CN103969093A (en) | 2014-05-08 | 2014-05-08 | Gas adsorption sampling device |
Country Status (1)
| Country | Link |
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| CN (1) | CN103969093A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297362A (en) * | 2014-09-05 | 2015-01-21 | 国家电网公司 | Adsorbent tube for determining content of organic gases and steam in air, and its making method |
| CN104458353A (en) * | 2014-12-26 | 2015-03-25 | 广东汉卫检测科技有限公司 | Wearable volatile organic gas diffusion sampling pipe |
| CN104880338A (en) * | 2015-05-28 | 2015-09-02 | 国网山东省电力公司电力科学研究院 | Sampling aid for glass sampling tube and application method thereof |
| CN105181400A (en) * | 2015-05-29 | 2015-12-23 | 福建拓普检测技术有限公司 | Sampling device |
| CN106769256A (en) * | 2017-01-10 | 2017-05-31 | 新疆大学 | Gas tracer sampling apparatus and Oilfield gas tracer acquisition testing method |
| CN107167537A (en) * | 2017-06-10 | 2017-09-15 | 苏州冷杉精密仪器有限公司 | A kind of adsorption tube and its thermal desorption device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297362A (en) * | 2014-09-05 | 2015-01-21 | 国家电网公司 | Adsorbent tube for determining content of organic gases and steam in air, and its making method |
| CN104297362B (en) * | 2014-09-05 | 2016-05-04 | 国家电网公司 | Sorbent tubes of organic gas and steam content and preparation method thereof in mensuration air |
| CN104458353A (en) * | 2014-12-26 | 2015-03-25 | 广东汉卫检测科技有限公司 | Wearable volatile organic gas diffusion sampling pipe |
| CN104880338A (en) * | 2015-05-28 | 2015-09-02 | 国网山东省电力公司电力科学研究院 | Sampling aid for glass sampling tube and application method thereof |
| CN105181400A (en) * | 2015-05-29 | 2015-12-23 | 福建拓普检测技术有限公司 | Sampling device |
| CN105181400B (en) * | 2015-05-29 | 2018-05-11 | 福建拓普检测技术有限公司 | A kind of sampling apparatus |
| CN106769256A (en) * | 2017-01-10 | 2017-05-31 | 新疆大学 | Gas tracer sampling apparatus and Oilfield gas tracer acquisition testing method |
| CN107167537A (en) * | 2017-06-10 | 2017-09-15 | 苏州冷杉精密仪器有限公司 | A kind of adsorption tube and its thermal desorption device |
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Effective date of registration: 20160229 Address after: 830011 the Xinjiang Uygur Autonomous Region analysis and testing institute, 374 north science Road, new urban district, the Xinjiang Uygur Autonomous Region, Urumqi Applicant after: Xinjiang Uygur Autonomous Region Institute for Instrumental Analysis Address before: 830011 autonomous region analysis and testing institute, 374 science North Road, the Xinjiang Uygur Autonomous Region, Urumqi Applicant before: Li Haitao |
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Application publication date: 20140806 |