CN102507263B - Sampling device for large-volume water sample of semi-volatile organic compounds - Google Patents
Sampling device for large-volume water sample of semi-volatile organic compounds Download PDFInfo
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- CN102507263B CN102507263B CN201110296488.3A CN201110296488A CN102507263B CN 102507263 B CN102507263 B CN 102507263B CN 201110296488 A CN201110296488 A CN 201110296488A CN 102507263 B CN102507263 B CN 102507263B
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Abstract
The invention provides a sampling device for a large-volume water sample of semi-volatile organic compounds, belongs to the technical field of sampling of semi-volatile organic pollutants in a water body. The device comprises a peristaltic pump, a filter membrane tray, an adsorbing material sleeve and a flowmeter, wherein the peristaltic pump is used for sucking the water sample through a sampling tube and conveying the water sample to the filter membrane tray; the filter membrane tray is used for filtering the water sample sucked by the peristaltic pump and conveying the filtered water sample to the adsorbing material sleeve; the adsorbing material sleeve is used for adsorbing sol-state granules in the water sample through polyurethane foam, activated carbon or XAD2 resin which is arranged in the adsorbing material sleeve and is used for enriching; and the flowmeter is used for metering the volume of the sampled water sample. The sampling device has the characteristics of compact structure, simplicity in operation and convenience for carrying, can finish filtering, adsorption and sampling volume calculation of the water sample at one time during the sampling process so as to provide convenience for in-situ enriching of the large-volume water sample, and can be used for in-situ sampling of water samples of shallow lakes, rivers, reservoirs and other various water bodies.
Description
Technical field
The present invention relates to a kind of semi-volatile organic matter water sample sampling device substantially, belong to the Sampling techniques field of half volatile organic contaminant in water body.
Background technology
Semi-volatile organic matter (SVOC), refers generally to boiling point at 170～350 ℃, and vapor pressure is at the organism of 0.1～10-7mmHg.Wherein a part of semi-volatile organic matter is that a class has high toxicity, persistence, is easy to assemble in vivo and long-distance migration and deposition, environment and human body had to the organic chemical pollutant of serious harm.
Water environment is one of main place of partly waving organic matter enrichment, and municipal effluent, reservoir, rivers and Hu Hai exist.In investigation for the natural background levels such as reservoir, rivers, Hu Hai and level of pollution, due to these, partly to wave the content of organic matter in water body lower, and a water sample often needs to gather hundreds of to a few kilolitre water bodys they are concentrated and just can make it to reach the lowest detection lower limit that certain analytical instrument can reach.
The collection of traditional large volume water body is subject to the impact of the factors such as transportation, space, pollution, is difficult for taking back lab analysis from collection in worksite cardinal principle ponding.
Summary of the invention
The object of the invention is for above-mentioned existing technological deficiency, a kind of directly device to water sample with bulk mass in-situ enrichment from scene is provided.
The object of the invention is to be achieved through the following technical solutions:
Semi-volatile organic matter is water sample sampling device substantially, comprising:
Peristaltic pump, for extracting water sample by sampling pipe, and is transported to described water sample on filter membrane pallet;
Filter membrane pallet, for the water sample of peristaltic pump pumps is filtered, and is transported to the water sample after filtering on sorbing material sleeve;
Sorbing material sleeve, for isocyanurate foam, activated charcoal or the XAD for enrichment arranging by inside
2dissolved colloidal state particle described in resin adsorption in water sample;
Flowmeter, for measuring the volume of water sampling.
Semi-volatile organic matter provided by the invention substantially water sample sampling device has compact conformation, simple, convenient feature of carrying, can once complete in sampling process filtration, absorption, the sampling volume calculating of water sample, for water sample with bulk mass in-situ enrichment is provided convenience, can be for the in situ sampling of the Different Waters water samples such as shallow lake, river, reservoir.
Accompanying drawing explanation
Fig. 1 is the semi-volatile organic matter that provides of the specific embodiment of the invention structural representation of water sample sampling device substantially.
Embodiment
The specific embodiment of the invention provides a kind of semi-volatile organic matter water sample sampling device substantially, as shown in Figure 1, comprising:
Peristaltic pump 1, for extracting water sample by sampling pipe, and is transported to described water sample on filter membrane pallet 2;
Sorbing material sleeve 6, for isocyanurate foam, activated charcoal or the XAD for enrichment arranging by inside
2dissolved colloidal state particle described in resin adsorption in water sample;
Flowmeter 7, for measuring the volume of water sampling.
Concrete, peristaltic pump 1 can be connected with sampling pipe with O-ring seal by web member, sampling pipe can be silica gel hose or stainless steel flexible hose, and the power supply of peristaltic pump 1 can adopt 220V alternating current or accumulator to drive, and the water withdrawal of peristaltic pump 1 is 10ml-5000ml/min.Clip 4 lockings are used in the top of filter membrane pallet 2 and intake-outlet junction, bottom, filter membrane pallet 2 is superimposed by two round stainless steel discs, the diameter of round stainless steel disc is 10-500mm, and make two round stainless steel disc centres closed, two round stainless steel discs be provided with netted stainless steel coil in order to support filter membrane by pressurization flange, the bottom of filter membrane pallet 2 is provided with three to four support columns 3, in the middle of filter membrane pallet 2, use filter membrane material, its aperture is 0.4-3um.On filter membrane pallet 2, can also be provided with controlled pressure valve 5, while being full of filter membrane pallet 2 for the water sample after starting sampling, regulate the air pressure balance in filter membrane pallet 2, to maintain water sample, can be covered with uniformly filter membrane, and the water sample flow velocity of guaranteeing the quality is steady.Sorbing material sleeve 6 is made column by stainless steel or glass material, and the two ends of sorbing material sleeve 6 connect sampling pipe interface and use reversal of the natural order of things thorn shape.
Principle of work and the method for operating of this embodiment are as follows:
Semi-volatile organic matter that this embodiment provides substantially water sample sampling device according to above-mentioned assembling after, first sampling pipe is put into water body, and in flowmeter 7, arranges and need the volume of sampling, the parameters such as operating rate of peristaltic pump 1.Before the sampling that formally switches on power, use entanglement to surround sample water pipe place, to prevent that bulky grain thing from entering obstruction pipeline.After preparatory stage completes, the power supply of connecting peristaltic pump 1 starts to extract water sample, water sample first passes through the membrane filtration in filter membrane pallet 2 by sampling pipe, then crosses sorbing material in sorbing material sleeve 6, finally by inflow-rate of water turbine meter 7, discharges complete system of whole composition.
Embodiment 1:
Certain reservoir organo-chlorine pesticide class is partly waved organic matter (as: DDT mirex etc.) large volume hydromining sample.Adopt this device to carry out Enrichment to water sample with bulk mass, to calculate the concentration of various machine chloro pesticides in certain reservoir water body.
Before experiment and after experiment, all will use acetone cleaning experiment instrument and related tool, and operating process all must be with PE gloves to prevent pollution; Quartz fibre filter membrane (adopting diameter 293mm) and aluminium foil are respectively through 400 ℃ (wrap and leave opening 6h processing with aluminium foil), 300 ℃ of pyroprocessing;
First, in selected reservoir sample point, with entanglement, surround sample water pipe place, to prevent that larger suspension from blocking pipeline.The mode providing according to this embodiment connects after device, and parameters is: gather water sample cumulative volume 200L, the rotational speed regulation of peristaltic pump 1 makes current remain 0.1L/min left and right.
Connect the power supply of peristaltic pump 1, start sampling.
Water sample passes through sampling pipe, through filter membrane pallet 2, regulate the air pressure balance in pressure valve 5 holding trays, waterflow stabilization, make it uniformly by the quartz fibre filter membrane of filter membrane pallet 2, filter out some particles, then by the sorbing material PUF in sorbing material sleeve 6, for adsorbing dissolved colloidal state particle, water sample is out discharged through flowmeter 7 afterwards.
Embodiment 2:
Certain reservoir dioxin is ponding in situ sampling substantially.Adopt this device to carry out Enrichment to water sample with bulk mass, to calculate the concentration of certain reservoir water body Zhong dioxin.
Before experiment and after experiment, all will use acetone cleaning experiment instrument and related tool, and operating process all must be with PE gloves to prevent pollution; Quartz fibre filter membrane (adopting diameter 293mm) and aluminium foil are respectively through 400 ℃ (wrap and leave opening 6h processing with aluminium foil), 300 ℃ of pyroprocessing;
First, in selected reservoir sample point, with entanglement, surround sample water pipe place, to prevent that larger suspension from blocking pipeline.The mode providing according to this embodiment connects after device, and parameters is: gather water sample cumulative volume 220L, the rotational speed regulation of peristaltic pump 1 makes current remain 0.1L/min left and right.
Connect the power supply of peristaltic pump 1, start sampling.
Water sample passes through sampling pipe, through filter membrane pallet 2, regulate the air pressure balance in pressure valve 5 holding trays, waterflow stabilization, make it uniformly by the quartz fibre filter membrane of filter membrane pallet 2, filter out some particles, then by the sorbing material PUF in sorbing material sleeve 6, for adsorbing dissolved colloidal state particle, water sample is out discharged through flowmeter 7 afterwards.
The technical scheme that adopts the present embodiment to provide, there is compact conformation, simple, convenient feature of carrying, can once complete in sampling process filtration, absorption, the sampling volume calculating of water sample, for water sample with bulk mass in-situ enrichment is provided convenience, can be for the in situ sampling of the Different Waters water samples such as shallow lake, river, reservoir.
The above; be only the present invention's embodiment preferably, but protection scope of the present invention is not limited to this, is anyly familiar with in technical scope that those skilled in the art disclose in the present invention; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.
Claims (7)
1. a semi-volatile organic matter water sample with bulk mass sampling apparatus, is characterized in that, comprising:
Peristaltic pump, for extracting water sample by sampling pipe, and is transported to described water sample on filter membrane pallet;
Filter membrane pallet, for the water sample of peristaltic pump pumps is filtered, and is transported to the water sample after filtering on sorbing material sleeve; Described filter membrane pallet is superimposed by two round stainless steel discs, the diameter of described round stainless steel disc is 10-500mm, and making two round stainless steel disc centres closed, two round stainless steel discs be provided with netted stainless steel coil in order to support filter membrane by pressurization flange, the bottom of described filter membrane pallet is provided with three to four support columns;
Sorbing material sleeve, for the dissolved colloidal state particle of water sample described in isocyanurate foam, activated charcoal or XAD2 resin adsorption for enrichment arranging by inside;
Flowmeter, for measuring the volume of water sampling.
2. semi-volatile organic matter water sample with bulk mass sampling apparatus according to claim 1, is characterized in that, described peristaltic pump is connected with sampling pipe with O-ring seal by web member, and described sampling pipe is silica gel hose or stainless steel flexible hose.
3. semi-volatile organic matter water sample with bulk mass sampling apparatus according to claim 1, is characterized in that, the power acquisition of described peristaltic pump drives with 220V alternating current or accumulator, and the water withdrawal of peristaltic pump is 10ml-5000ml/min.
4. semi-volatile organic matter water sample with bulk mass sampling apparatus according to claim 1, is characterized in that, locked clip device is used in described filter membrane pallet top and intake-outlet junction, bottom.
5. semi-volatile organic matter water sample with bulk mass sampling apparatus according to claim 1, is characterized in that, uses filter membrane material in the middle of described filter membrane pallet, and its aperture is 0.4-3um.
6. semi-volatile organic matter water sample with bulk mass sampling apparatus according to claim 1 or 5, it is characterized in that, this device also comprises controlled pressure valve, while being full of filter membrane pallet for the water sample after starting sampling, regulate the air pressure balance in filter membrane pallet, to maintain water sample, can be covered with uniformly filter membrane, and the water sample flow velocity of guaranteeing the quality is steady.
7. semi-volatile organic matter water sample with bulk mass sampling apparatus according to claim 1, it is characterized in that, described sorbing material sleeve is made column by stainless steel or glass material, and the two ends of described sorbing material sleeve connect sampling pipe interface and use reversal of the natural order of things thorn shape.
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| CN201110296488.3A CN102507263B (en) | 2011-09-28 | 2011-09-28 | Sampling device for large-volume water sample of semi-volatile organic compounds |
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| CN201110296488.3A CN102507263B (en) | 2011-09-28 | 2011-09-28 | Sampling device for large-volume water sample of semi-volatile organic compounds |
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| CN102507263B true CN102507263B (en) | 2014-03-26 |
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| CN103630432B (en) * | 2012-08-23 | 2015-12-30 | 中国科学院地理科学与资源研究所 | Nitrogen oxygen isotope filtering adsorpting device and adsorption method in a kind of Portable water |
| CN103411794B (en) * | 2013-07-18 | 2015-04-22 | 中国科学院广州地球化学研究所 | Apparatus for acquiring trace quantity of organic pollutants in large volume of seawater, and acquisition system thereof |
| CN103674668B (en) * | 2013-12-11 | 2016-08-17 | 南昌航空大学 | Pollutant online pre-separation enriching apparatus in a kind of water sample with bulk mass |
| CN103645113B (en) * | 2013-12-16 | 2016-08-17 | 山东省城市供排水水质监测中心 | A kind of water causes to smell the method and device of material total amount for measuring |
| CN104359719B (en) * | 2014-12-09 | 2017-06-06 | 苏州汉能环保材料科技有限公司 | Volatile organic matter nanometer continuous sampler in a kind of water |
| CN105445061B (en) * | 2016-02-01 | 2018-08-10 | 南京工业职业技术学院 | The active sampling systems of persistence organic pollutant PAHs in a kind of air |
| CN105758675A (en) * | 2016-04-26 | 2016-07-13 | 天津市环境保护科学研究院 | Active sampler for water persistent organic pollutants based on suction filtration and preconcentration |
| CN107376488A (en) * | 2017-08-15 | 2017-11-24 | 江苏省环境监测中心 | Suitable for the filtration in-situ system of the water sample containing heavy metal |
| CN107560891A (en) * | 2017-09-05 | 2018-01-09 | 大连民族大学 | The passive sampling apparatus of polar contaminants in a kind of collection water body |
| CN108982711B (en) * | 2018-09-30 | 2023-10-20 | 浙江工业大学 | Extraction device and application thereof in detection of volatile components in grain pile |
| CN111795862A (en) * | 2020-07-14 | 2020-10-20 | 江苏理工学院 | Device and method for sampling dioxin in water with automatic extraction function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2539511A1 (en) * | 1983-01-14 | 1984-07-20 | Marseille Sa Eaux | Linear-current biodetector device associated with a detector of strong turbidity for monitoring water pollution |
| US5010776A (en) * | 1989-05-04 | 1991-04-30 | Iit Research Institute | Environmental contamination detection and analyzing system and method |
| CN2163381Y (en) * | 1993-07-21 | 1994-04-27 | 山东大学 | Enriching column water quality detecting automatic sampler |
| CN101476993A (en) * | 2009-01-19 | 2009-07-08 | 北京大学 | Passive semi-volatile atmosphere organic pollutant sampling apparatus |
| CN102062711A (en) * | 2010-12-08 | 2011-05-18 | 济南市供排水监测中心 | Organic pollutant enriching device and method for pretreatment of water sample with bulk mass |
-
2011
- 2011-09-28 CN CN201110296488.3A patent/CN102507263B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2539511A1 (en) * | 1983-01-14 | 1984-07-20 | Marseille Sa Eaux | Linear-current biodetector device associated with a detector of strong turbidity for monitoring water pollution |
| US5010776A (en) * | 1989-05-04 | 1991-04-30 | Iit Research Institute | Environmental contamination detection and analyzing system and method |
| CN2163381Y (en) * | 1993-07-21 | 1994-04-27 | 山东大学 | Enriching column water quality detecting automatic sampler |
| CN101476993A (en) * | 2009-01-19 | 2009-07-08 | 北京大学 | Passive semi-volatile atmosphere organic pollutant sampling apparatus |
| CN102062711A (en) * | 2010-12-08 | 2011-05-18 | 济南市供排水监测中心 | Organic pollutant enriching device and method for pretreatment of water sample with bulk mass |
Non-Patent Citations (6)
| Title |
|---|
| 刘春立.环境水样中137Cs过滤浓集法简介.《辐射防护通讯》.1990,33-35. |
| 夏自强等.蠕动泵深水采样方法研究.《黑龙江环境通报》.2006,第30卷(第4期),90，91. |
| 水质 采样技术指导;环境保护部;《中华人民共和国国家环境保护标准》;20090927;1-15 * |
| 环境保护部.水质 采样技术指导.《中华人民共和国国家环境保护标准》.2009,1-15. |
| 环境水样中137Cs过滤浓集法简介;刘春立;《辐射防护通讯》;19901231;33-35 * |
| 蠕动泵深水采样方法研究;夏自强等;《黑龙江环境通报》;20061231;第30卷(第4期);90，91 * |
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