CN101852692A - Passive filling type adsorption sampling device for air volatile pollutant concentration detection - Google Patents
Passive filling type adsorption sampling device for air volatile pollutant concentration detection Download PDFInfo
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- CN101852692A CN101852692A CN 201010165565 CN201010165565A CN101852692A CN 101852692 A CN101852692 A CN 101852692A CN 201010165565 CN201010165565 CN 201010165565 CN 201010165565 A CN201010165565 A CN 201010165565A CN 101852692 A CN101852692 A CN 101852692A
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- 238000005070 sampling Methods 0.000 title claims abstract description 39
- 239000003344 environmental pollutant Substances 0.000 title claims abstract description 18
- 231100000719 pollutant Toxicity 0.000 title claims abstract description 18
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 title claims abstract description 12
- 239000003463 adsorbent Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 6
- -1 polyethylene Polymers 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 230000002209 hydrophobic effect Effects 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000002808 molecular sieve Substances 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims 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 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims 2
- 229920000642 polymer Polymers 0.000 claims 1
- 238000003795 desorption Methods 0.000 abstract description 15
- 230000032683 aging Effects 0.000 abstract description 2
- 230000008929 regeneration Effects 0.000 abstract description 2
- 238000011069 regeneration method Methods 0.000 abstract description 2
- 239000008187 granular material Substances 0.000 abstract 1
- 238000004817 gas chromatography Methods 0.000 description 9
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 description 9
- 239000000356 contaminant Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 5
- 239000012855 volatile organic compound Substances 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000003039 volatile agent Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- 241001234523 Velamen Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
本发明涉及空气挥发性污染物浓度检测被动式填充型吸附采样装置，属于室内环境检测领域，该装置包括颗粒型吸附剂，多孔外壳，底座，外罩和橡胶垫圈，其中：颗粒型吸附剂填充于外壳中，外壳放置在底座上，外罩套在外壳外并通过垫圈与底座密封。该装置采用被动式吸附采样，不需外加动力；可实现颗粒材料填充后在外壳径向方向上的吸附采样，吸附面积大，节省材料用量；目标污染物为多种室内有机挥发污染物，采样后置于热脱附管中，直接使用带有热脱附或自动热脱附功能的气相色谱仪或气质联用色谱仪中分析样品浓度；小巧、便携；可置于室内测量一定时间内污染物的平均浓度，可佩戴于人员身上测量一定时间内的平均暴露量；填充物老化再生后可重复使用。
The invention relates to a passive filling adsorption sampling device for air volatile pollutant concentration detection, which belongs to the field of indoor environment detection. The device includes a granular adsorbent, a porous shell, a base, an outer cover and a rubber gasket, wherein: the granular adsorbent is filled in the shell In the process, the shell is placed on the base, and the outer cover is set on the outside of the shell and sealed with the base by a gasket. The device adopts passive adsorption sampling without external power; it can realize the adsorption sampling in the radial direction of the shell after the granular material is filled, the adsorption area is large, and the material consumption is saved; the target pollutants are various indoor organic volatile pollutants. Placed in a thermal desorption tube, directly use a gas chromatograph or a gas chromatography-mass spectrometer with thermal desorption or automatic thermal desorption function to analyze the sample concentration; small and portable; it can be placed indoors to measure pollutants within a certain period of time The average concentration can be worn on personnel to measure the average exposure within a certain period of time; the filling can be reused after aging and regeneration.
Description
Technical field
The invention belongs to the Indoor Environment Detection field, particularly a kind of passive adsorbing and sampling device that is used for indoor volatility chemical contamination substrate concentration detection.
Background technology
Indoor air quality appreciable impact people's comfortable, health and work efficiency more and more are subjected to people's attention.And organic volatile compound (VOCs) excessive concentration that indoor article and decoration material discharge is the one of the main reasons that causes indoor air quality inferior.For guaranteeing the indoor environment of safety and comfort, very important to the detection of indoor chemical pollutant.The detection method of science can help indoor user to understand daily residing environment whether to reach safety standard, timely and effectively underproof indoor environment is taked to administer and measures to rectify and reform, evades the environmental pollution risk, satisfies health of people and comfortable requirement.Yet present room air detects the general spot sampling method that adopts, and needs the testing staff to carry instrument and medicine to execute-in-place, and manpower and waste of time make that to detect cost high, and much average families are hung back to Indoor Environment Detection.Therefore desirable room air detects Sampling techniques should have following characteristics: the first, do not need the sampling of technician's execute-in-place.The second, cost low (comprising material cost, time cost and cost of human resources) makes average family be easy to bear.The 3rd, it is common that target contaminant should be set at room air, and the pollutant closely bound up with human health, as organic volatile compound (VOCs).The 4th, can combine with the comparatively accurate method of sampling, for example internationally recognized gas chromatography (GC) or gas chromatography mass spectrometry chromatogram (GC-MS) detect, and guarantee the accuracy that detects.The 5th, the equipment of same sampling can be realized the sampling to multiple pollutant.The 6th, the manufacturing that detects sample devices should take into account simple, small and exquisite, portable and efficient.The 7th, the used sorbing material range of choice of sampling is wide.Be weak yet present existing sampling thief in these areas more.For example the solid phase adsorption air pollutants sampling thief of design in the patent 03134701.0 is to add the synthon that flooded the pollutant absorption liquid in glass tube.This sampling thief only carries out adsorption sampling by the axial quite limited area of glass tube, and the equivalent sampling quantity is little, and the post analysis error is big.Simultaneously, this sampling thief can not add gas phase chromatogram (GC) coupling in conjunction with thermal desorption, the accurate and versatility of the analysis after can not guaranteeing to sample.The target contaminant of this sampling thief is a kind of in nitrogen dioxide, sulphuric dioxide, formaldehyde, the ammonia in room air, atmosphere, public place air, the workshop air, both do not contained indoor modal pollutant organic volatile compound (VOCs), can not realize that same sampling thief gathered the purpose of multiple pollutant.
Summary of the invention
The objective of the invention is in order to overcome the existing deficiency that is used for indoor volatile organic compound pollutant sampling thief, the passive filling adsorption sampling device that provides a kind of air volatile contaminant concentration to detect, this sampling apparatus small volume and less weight, simple and reliable, can detect with TD and GC, GC-MS logotype, the Computer-Assisted Design, Manufacture And Test cost is not high, and can realize a function that pipe is gathered multiple dusty gas.
The present invention propose the passive filling adsorption sampling device that detects of air volatile contaminant concentration, it is characterized in that, this device comprises the granular pattern adsorbent, porous shell, base, outer cover and rubber washer, wherein: the granular pattern adsorbent is filled in the shell, shell is placed on the base, and outer cover is enclosed within outside the shell and by packing ring and base and seals.
Characteristics of the present invention and effect:
Sampling apparatus of the present invention, the mode of employing passive type adsorption sampling does not need additionaling power; Product adopts hydrophobic shell, and to any filler, it is little influenced by ambient humidity; Can realize particulate material filling back in shell adsorption sampling in the radial direction, adsorption area is big, saves material usage, and the sorbing material profile is not had specific (special) requirements; Target contaminant is a multiple indoor organic volatile pollutant, and sampling is placed in the thermal desorption pipe, directly uses the gas chromatograph (GC) or gas chromatography mass spectrometry chromatograph (GC-MS) the analytic sample concentration that have thermal desorption (TD) or automatic thermal desorption (ATD) function; Small and exquisite, portable.
The present invention can realize that the moving adsorption sampling pipe of a velamen detects the function of multiple dusty gas, detect and low cost of manufacture, and after can being implemented in thermal desorption (TD) or the middle desorption of automatic thermal desorption (ATD), the accurate Analysis in gas chromatography (GC) or gas chromatography mass spectrometry chromatogram (GC-MS).By the drawing standard curve, the reference standard curve can be realized the measurement to indoor volatile organic matter concentration.
This device can place the mean concentration of indoor measurement certain hour internal contamination thing, and the personnel that can be worn on measure the average exposed amount in the certain hour on one's body; Reusable behind the adsorbent aging regeneration of filling; Small and exquisite, portable; Greatly reduce the detection cost.
Description of drawings
Fig. 1 is a passive type adsorption sampling pipe general structure synoptic diagram of the present invention.
Embodiment
The air volatile contaminant concentration detection passive filling adsorption sampling device that the present invention proposes reaches embodiment in conjunction with the accompanying drawings and is described in detail as follows:
The general structure of apparatus of the present invention as shown in Figure 1, comprises granular pattern adsorbent 5, porous shell 1, base 2, outer cover 3 and rubber washer 4, wherein: granular pattern adsorbent 5 is filled in the shell 1, and shell 1 is placed on the base 2, and it is outer also by packing ring 4 and base 2 sealings that outer cover 3 is enclosed within shell 1.
The each several part embodiment of apparatus of the present invention is described in detail as follows:
Porous shell 1 can be selected hydrophobic porosint such as porous polyethylene for use, and porous Teflon is made an end and sealed the pipe that an end opens wide, and the porous shell internal volume is not more than the capacity of thermal desorption pipe.
Base 2 can adopt teflon or polythene material to make, and is double-deck round table-like, and round platform center, upper strata has the circular trough identical with the porous shell outside dimension, is used for the placing porous shell; Lower floor's round platform is used to place outer cover, makes the porous shell in the outer cover be in closed state by rubber washer.Whole submount material is the interior organic volatile pollutant of adsorption chamber not, and to not influence of sampling, base only plays the effect of support and placing porous shell.
The internal diameter of outer cover 3 is slightly larger than the external diameter of the upper strata platform of base 2, when covering outer cover, can realize sealing with rubber washer 4, the dusty gas of sampling can not spread lose, and causes the inaccurate of detection.Outer cover 3 can select for use the minimum materials of coefficient of diffusion such as glass or stainless steel to make.
Fill adsorbent 5 and can select the porous adsorbing material of adsorbable indoor organic volatile pollutant for use, be easy to put into thermal desorption after the sampling and resolve.The sorbing material hydrophobicity and the profile of filling there is not specific (special) requirements.Can select multiple granular pattern adsorbent for use, as molecular sieve, silica gel, high-molecular porous resin, activated charcoal etc.If select commercially available Tenax-TA granular pattern adsorbent for use, then not only can measure the concentration of various VOCs, according to of the definition of GB18883 State Standard of the People's Republic of China IAQ (indoor air quality) standard, can also measure TVOC content to total volatile organism (TVOC).
Principle of work of the present invention:
This sampling apparatus is opened wide outer cover put into a plurality of uniform temps, in the environment of different pollutant levels, pass through regular time at every turn, resolve adsorbance by thermal desorption and GC (or GC-MS), can obtain the typical curve (horizontal ordinate is a concentration, and ordinate is an adsorbance) under this temperature.Change humiture, can obtain the typical curve under many different temperatures.
The course of work of the present invention:
This sampling apparatus is used in and detects in the sampling process, and is at first unlimited this device outer cover, is placed in the environment that will measure, and time length is with to do the used time of typical curve identical.The tight outer cover 3 of bonnet.Take back laboratory or monitoring station, sorbent material 5 is put into thermal desorption pipe desorption, resolve adsorbance by GC (or GC-MS), the reference standard curve can check in the various organic volatile pollutant levels of institute's testing environment.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010165565 CN101852692A (en) | 2010-04-30 | 2010-04-30 | Passive filling type adsorption sampling device for air volatile pollutant concentration detection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010165565 CN101852692A (en) | 2010-04-30 | 2010-04-30 | Passive filling type adsorption sampling device for air volatile pollutant concentration detection |
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| CN101852692A true CN101852692A (en) | 2010-10-06 |
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| CN 201010165565 Pending CN101852692A (en) | 2010-04-30 | 2010-04-30 | Passive filling type adsorption sampling device for air volatile pollutant concentration detection |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928499A (en) * | 2012-11-03 | 2013-02-13 | 中国烟草总公司郑州烟草研究院 | Rapid analysis device and method for ambient air volatile organic compounds |
| CN104136920A (en) * | 2012-09-18 | 2014-11-05 | 三得利控股株式会社 | Odor adsorbent material, odor detection kit, and method for using same |
| CN104730177A (en) * | 2015-04-01 | 2015-06-24 | 东南大学 | Enrichment apparatus used for collecting a variety of pollutants in high vacuum environment and use method thereof |
| CN104956200A (en) * | 2012-11-14 | 2015-09-30 | 欧洲联盟，由欧洲委员会代表 | Diffusive sampling device |
| CN106053664A (en) * | 2016-07-06 | 2016-10-26 | 浙江杭康检测技术有限公司 | Detection method for indoor volatile pollutants |
| CN106168547A (en) * | 2016-10-08 | 2016-11-30 | 吉林大学 | A kind of bionical gas absorption sampling apparatus |
| CN110553960A (en) * | 2018-05-30 | 2019-12-10 | 三星电机株式会社 | Fine dust concentration sensor |
| CN111781115A (en) * | 2020-07-10 | 2020-10-16 | 上海市计量测试技术研究院 | A kind of air pollutant filter membrane weighing equipment and weighing method |
| CN112462003A (en) * | 2020-11-25 | 2021-03-09 | 中国石油大学(北京) | Volatile substance detection device and method |
| CN113433267A (en) * | 2021-06-11 | 2021-09-24 | 青岛海尔空调器有限总公司 | Air abnormity early warning method, device, equipment, medium and program product |
| CN113687000A (en) * | 2021-09-29 | 2021-11-23 | 陕西省计量科学研究院 | Detection method for sulfur dioxide in ambient air and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104136920A (en) * | 2012-09-18 | 2014-11-05 | 三得利控股株式会社 | Odor adsorbent material, odor detection kit, and method for using same |
| US10371677B2 (en) | 2012-09-18 | 2019-08-06 | Suntory Holdings Limited | Odor adsorbent material, odor detection kit, and method for using same |
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| CN106053664A (en) * | 2016-07-06 | 2016-10-26 | 浙江杭康检测技术有限公司 | Detection method for indoor volatile pollutants |
| CN106168547B (en) * | 2016-10-08 | 2018-07-20 | 吉林大学 | A kind of bionical gas absorption sampling apparatus |
| CN106168547A (en) * | 2016-10-08 | 2016-11-30 | 吉林大学 | A kind of bionical gas absorption sampling apparatus |
| CN110553960A (en) * | 2018-05-30 | 2019-12-10 | 三星电机株式会社 | Fine dust concentration sensor |
| CN111781115A (en) * | 2020-07-10 | 2020-10-16 | 上海市计量测试技术研究院 | A kind of air pollutant filter membrane weighing equipment and weighing method |
| CN111781115B (en) * | 2020-07-10 | 2022-08-02 | 上海市计量测试技术研究院 | Air pollutant filter membrane weighing device and weighing method |
| CN112462003A (en) * | 2020-11-25 | 2021-03-09 | 中国石油大学(北京) | Volatile substance detection device and method |
| CN113433267A (en) * | 2021-06-11 | 2021-09-24 | 青岛海尔空调器有限总公司 | Air abnormity early warning method, device, equipment, medium and program product |
| CN113433267B (en) * | 2021-06-11 | 2023-12-15 | 青岛海尔空调器有限总公司 | Air abnormality early warning method, device, equipment, medium and program product |
| CN113687000A (en) * | 2021-09-29 | 2021-11-23 | 陕西省计量科学研究院 | Detection method for sulfur dioxide in ambient air and application thereof |
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Application publication date: 20101006 |