CN200968909Y - Polluting source malodorous gas sampling device - Google Patents
Polluting source malodorous gas sampling device Download PDFInfo
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- CN200968909Y CN200968909Y CN 200620151411 CN200620151411U CN200968909Y CN 200968909 Y CN200968909 Y CN 200968909Y CN 200620151411 CN200620151411 CN 200620151411 CN 200620151411 U CN200620151411 U CN 200620151411U CN 200968909 Y CN200968909 Y CN 200968909Y
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Abstract
The utility model relates to a pollutant effluvial gas sampler which can repeatedly wash the sampling container before sampling so as to improve the reliability of the samples; the utility model can be applied to collect sample gas from subpressure and relatively moisture environment or collect gas with dust; the utility model is light in weight, portable and unbreakable; the utility model is composed of a sampling instrument, a sampling bucket and a sampling spear; the sampling instrument comprises a shell, a miniature vacuum air pump, a four-way control valve, an electric motor and a power source; the shell is provided with a dynamic gas port; the sampling bucket is composed of a bucket and an airtight bucket cover; the bucket is provided with a dynamic gas port and a sampling port, and a tutublar sampling sack is arranged inside the bucket. The dynamic gas port of the sampling instrument is connected with the dynamic gas port of the sampling bucket by a pipe; the sampling port of the sampling bucket is interferentially connected with the air-out end of the sampling spear. The utility model is utilized to collect pollutant gas sample for the intensity and consistency testing of effluvial or smelly gas.
Description
Technical field:
The present invention relates to a kind of gas collecting device.Particularly a kind of pollution source foul gas sampling thief.It is used for the collection of the pollution source gaseous sample of the intensity of stench or gas with foreign flavor and concentration determination, and this gaseous sample comprises the sample that only contains a kind of odorant and contains the compound foul smell sample of odorant more than two kinds.
Background technology:
In the industry of a lot of generation such as environmental protection, spices manufacturing industry or daily chemical industry peculiar smell, usually need the intensity and the concentration of stench or gas with foreign flavor are carried out sampling and testing.Because stench or gas with foreign flavor are often at instantaneous generation or intermittent discharge, the time that can sample is shorter, and sampling site does not often have power supply or other power yet, thereby brings certain difficulty for the collection of gaseous sample.
Once the someone utilized common injector for medical purpose to gather gaseous sample, but this kind sampling apparatus has two significant disadvantages at least, and the one, the gaseous sample amount is smaller, and the 2nd, cause the loss of efficiently sampling gas owing to syringe break-in part adsorption sample gas.
What generally adopt at present is that the patent No. is CN94218332.0, and denomination of invention is the sampling bottle of " unpowered instantaneous sampling bottle ".This device belongs to the vacuum gas sampling bottle.The bottle approximate circle tubular of this sampling bottle, one end are provided with into certain taper and have the conical air admission hole of silicone rubber seal plug, and the other end is to have poly-bleeding of tetrafluoro helixseal plug to chew.Chew and will be evacuated in the bottle by bleeding before the sampling, moment is opened air admission hole during sampling, makes to be full of sample gas in the bottle.When treating sample thief gas, change the silicone rubber seal plug of air inlet position into be inserted with glass tube sillicon rubber blocking; This has the sillicon rubber blocking of glass tube, and an end is equipped with air bag in the bottle of glass tube, and the other end is communicated with atmosphere.During sample thief gas, open bleeding of helixseal plug and chew also extracting gases, along with the extraction of gas, air is by the air bag of glass tube in air admission hole enters bottle, and the air bag of expansion has occupied the space, with the negative pressure that forms in the equilibration flask in the bottle.
But because the restriction of bottle molded dimension after the Dewar bottle of small scale reaches certain negative pressure, is gathered the shortcoming that there is the collection capacity deficiency in the interior sample of aiutage; Though it is not and the large scale Dewar bottle can be accomplished big collection capacity, bulky portable and frangible.And, when being negative pressure in the aiutage, when perhaps moisture percentage is big, be difficult to guarantee to collect the moderate sample gas of moisture percentage.And,, can not utilize sample gas to carry out the adsorption equilibrium operation of Dewar bottle inwall because Dewar bottle is disposable use, sample gas for easy absorption, especially the sample collecting of sulfide is very unfavorable, and the gas great majority of actual acquisition are adsorbed in the glass inwall, and test value is on the low side.
For this reason, some adopt sampler bag to carry out the foul smell sampling, by sampling pump sample gas are charged into sampler bag.Because the advanced people's sampling pump of sample gas enters sampler bag then, again because the pollution source sample concentration is higher usually, sampling pump is very easy to contaminated usually.
Summary of the invention:
The present invention aims to provide a kind of pollution source foul gas sampling thief.It can be with the mutual switching to negative-pressure operation in the sampling container and positive pressure operation, before sampling, sampling container is carried out repeatedly the cleaning of " air-breathing " and " exhaust " with sample gas, improved the absorption problem of sampling container inwall, improved the order of accuarcy of institute's collected specimens sample gas; Big or have the sample gas of dust for being in negative pressure or moisture percentage, can carry out sampling operation accurately equally; And the complete machine lighter weight is easy to carry, and does not have easy broken problem.
The utility model comprises sampling thief, sampling bucket, sampling rifle;
Sampling thief comprises housing, minipump-micro air pump, four-way operation valve, motor, power supply; Housing is provided with the power gas interface, and the power gas interface is connected with pipeline with the four-way operation valve, and the four-way operation valve is connected with pipeline with minipump-micro air pump, and minipump-micro air pump is connected with transmission shaft with motor; Minipump-micro air pump, motor are connected with power supply with lead respectively;
The sampling bucket comprises staving and sealing bung; On staving, be provided with power gas interface and sampling interface, place sampler bag in the staving; The power gas interface communicates with staving, and the sampler bag sack is connected with the sampling interface.
The sampling rifle is tubular, and an end is the outlet side, and the other end is a suction end.
The power gas interface of sampling thief is connected with pipeline with the power gas interface of sampling bucket, the sampling interface of sampling bucket and the outlet side socket connection of sampling rifle.
Minipump-micro air pump of the present utility model is an exhaust vacuum dual-purpose sampling pump, and it has exhaust and vacuumizes two kinds of functions.
Four-way operation valve of the present utility model is the four-way ball valve, and it has the function of switching gas flow direction.
Sampling rifle of the present utility model outlet side has handle to be convenient to hand,
Power supply of the present utility model adopts direct current plumbic acid high-energy battery and alternating current 220V to use alternately.
Operation principles of the present invention and good effect
The sampling operation method mainly is divided into two steps:
One, bag is washed in exhaust:
Outlet side socket connection with sampling interface with the sampling rifle of sampling bucket.The suction end of sampling rifle is inserted the aiutage of the pollution source foul gas of surveying.
At first carry out " exhaust " process, the four-way operation valve is rotated to exhaust position, turn on the power switch, air enters in the sampling bucket, because sampling bucket internal gas pressure increases, makes the gas in the sampler bag be extruded emptying.
Carry out " air-breathing " process then, the four-way operation valve is rotated to bleed position, turn on the power switch, the gas in the sampling bucket is drawn to vacuum state; At this moment, sampler bag is owing to be in vacuum state, and, the sampler bag sack is communicated with aiutage by the sampling rifle, institute's sample thief gas then enters sampler bag by the sampling rifle, and volumetric expansion after the sampler bag suction sample gas is with the negative pressure in the increase balanced sample bucket of volume.
Repetitive operation repeatedly, " exhaust " and " air-breathing " cleans sampler bag to adsorption equilibrium with sample gas repeatedly.
Two, the sampling of bleeding:
Take a sample with breathing process, to the sampler bag gassy.Powered-down takes out sampler bag from the sampling bucket, can obtain the foul smell sample by the sampler bag sack.
The utility model can be gathered sample in the aiutage, simultaneously, also can carry out sampling operation for environmental sample.
Because the utility model has adopted minipump-micro air pump and four-way operation valve, gas flow direction can be carried out switching controls, therefore, can make sampler bag before sampling, the sample gas that utilizes that carries out repeatedly carries out bag balancing run of washing of " air-breathing " and " exhaust " to sampler bag, remedied bag wall owing to sampler bag to the test error that the absorption of sample gas causes, made obtained sample gas approach real conditions more.
Because the utility model adopts motor as power, can make in the sampling bucket and produce bigger negative pressure, therefore, when institute's gas production body is negative pressure, by calculating and experiment, choose suitable sampling pump-minipump-micro air pump, still can carry out the standard sample operation.The utility model can be operated with the interior standard sample of carrying out by negative pressure 8Kp in aiutage.
Because sampling bucket of the present utility model and sampling rifle adopt and divide body structure, therefore, when the gas humidity of being adopted is big, can add Drexel bottle, it is imported and exported is connected to respectively between sampling rifle and the sampling bucket, then with Drexel bottle as in the open container, and an amount of cold water of placement or ice cube are lowered the temperature in container, enter sampler bag after making the sample gas condensation, carry out the standard sample operation.When the gas temperature of being adopted and dustiness are higher, behind the sampling rifle filtration unit can be installed, this filtration unit can be glass wool or Drexel bottle, or with in the external water bath containers of Drexel bottle, utilize cold water or ice cube to lower the temperature, fall wet, carry out standard sample operation.
Because the utility model is simple in structure, processing and manufacturing and operation are all very convenient, and are convenient to install.Sampling bucket is in light weight, makes environment sampling professional be convenient to carry, and does not have danger and be not afraid of and collide with, and sampler bag is convenient to stack and is not afraid of extruding, so the complete machine lighter weight, is easy to carry, and is difficult for broken.
In sum, the utility model is a kind of pollution source foul gas sampling thief.It can be with the mutual switching to negative-pressure operation in the sampling container and positive pressure operation, before sampling, sampling container is carried out repeatedly the cleaning of " air-breathing " and " exhaust " with sample gas, improved the absorption problem of sampling container inwall, improved the order of accuarcy of institute's collected specimens sample gas; Big or have the sample gas of dust for being in negative pressure or moisture percentage, can carry out sampling operation accurately equally; And the complete machine lighter weight is easy to carry, and does not have easy broken problem.
Description of drawings:
Fig. 1 washes a bag view for exhaust of the present utility model;
Fig. 2 is the sample states synoptic diagram of bleeding of the present utility model.
Wherein: 1-sampling thief, 2-housing, 3-power switch, 4-power gas interface, 5-power supply, 6-motor, 7-minipump-micro air pump, 8-four-way operation valve, 9-sample the bucket, the 10-staving, 11-seals bung, the 12-interface of sampling, 13-sampler bag, the 14-rifle of sampling, the 15-aiutage, the 16-pipeline, 17-outlet side, 18-suction end.
Embodiment:
Embodiment
The condition of work of sampling: the flue-gas temperature of aiutage 15 is less than 240 ℃, and negative pressure is no more than 5-8KPa, AC-less power in the aiutage 15.
The specification of the housing 2 of the utility model sampling thief 1 is adopted 38 * 28 * 20cm; Be provided with power supply 5 in the housing 2, motor 6, minipump-micro air pump 7, four-way operation valve 8; Housing 2 is provided with power gas interface 4, and power gas interface 4 is connected with pipeline 16 with four-way operation valve 8, and four-way operation valve 8 is connected with pipeline 16 with minipump-micro air pump 7, and minipump-micro air pump 7 and motor 6 are connected with transmission shaft; Wherein, power supply 5 adopts direct current plumbic acid high-energy battery.Minipump-micro air pump 7, motor 6 are connected with power supply 5 with lead respectively;
Sampling bucket 9 comprises staving 10 and sealing bung 11, and its specification is 50 liters of volumes; On staving 10, be provided with power gas interface 4 and sampling interface 12, place sampler bag 13 in the staving 10; Sampler bag 13 is the Nalophan material, and the anti-absorption property of its hyposmosis is good, is a bag shape, and its specification is volume 10L;
The specification of sampling rifle 14 is Φ 10mm, and length is 600mm, and an end is outlet side 17, and the other end is a suction end 18; Outlet side 17 has handle.
Pipeline 16 adopts the flexible pipe of the Φ=6.35mm of teflon material making.
The power gas interface 4 of sampling thief 1 is connected with pipeline 16 with the power gas interface 4 of sampling bucket 9, and the sampling interface 12 of sampling bucket 9 is connected with the outlet side 17 of sampling rifle 14.
The suction end 18 of sampling rifle 14 is inserted in the flue gas of aiutage 15
Operation:
1, install: before the sampling, the sealing bungs 11 above the sampling bucket 9 are opened, sampler bag 13 is installed, the sack of sampler bag 13 is connected with the sampling interface 12 of sampling bucket 9, and with hand-screw tightening seal bung 11, will sample barrels 9 seals.
2, wash bag: after sampler bag 13 is installed, four-way operation valve 8 is rotated to the sampling location of bleeding, and the power switch 3 of opening power 5 carries out breathing process, continue about 60 seconds of sampling, also can judge that sampler bag 13 has reached full state by listening the sound in the sampling bucket 9; Then four-way operation valve 8 is rotated to exhaust and wash a bag position, carry out exhaust process, about 65 seconds of evacuation time gets final product emptying.Repeat above operation 2-3 time, sampler bag 13 is cleaned to adsorption equilibrium.
3, sampling: four-way operation valve 8 is rotated to the sampling location of bleeding, and the power switch 3 of opening power 5 carries out breathing process, the average 150L/h of sampling flow, and the sampling time was generally 90 seconds, usually less than 2 minutes.The power switch 3 of powered-down 5, the sealing bung 11 of outwarding winding takes out sampler bag 13 and sealing, and sampling finishes.
Four-way operation valve of the present utility model switches fast to sampling gas circuit, exhaust gas circuit, vacuumize state, exhaust condition can be finished conversion moment, easily sampler bag internal contamination thing is cleaned up, can gather sample fast, and the state of maintenance primary sample that can the long period.
Claims (1)
1, a kind of pollution source foul gas sampling thief is characterized in that it comprises sampling thief, sampling bucket, sampling rifle;
Sampling thief comprises housing, minipump-micro air pump, four-way operation valve, motor, power supply; Housing is provided with the power gas interface, and the power gas interface is connected with pipeline with the four-way operation valve, and the four-way operation valve is connected with pipeline with minipump-micro air pump, and minipump-micro air pump is connected with transmission shaft with motor; Minipump-micro air pump, motor are connected with power supply with lead respectively;
The sampling bucket comprises staving and sealing bung; On staving, be provided with power gas interface and sampling interface, place sampler bag in the staving; The power gas interface communicates with staving, and the sampler bag sack is connected with the sampling interface.
The sampling rifle is tubular, and an end is the outlet side, and the other end is a suction end.
The power gas interface of sampling thief is connected with pipeline with the power gas interface of sampling bucket, the sampling interface of sampling bucket and the outlet side socket connection of sampling rifle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620151411 CN200968909Y (en) | 2006-11-20 | 2006-11-20 | Polluting source malodorous gas sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620151411 CN200968909Y (en) | 2006-11-20 | 2006-11-20 | Polluting source malodorous gas sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200968909Y true CN200968909Y (en) | 2007-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620151411 Expired - Lifetime CN200968909Y (en) | 2006-11-20 | 2006-11-20 | Polluting source malodorous gas sampling device |
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| CN (1) | CN200968909Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101470056B (en) * | 2007-12-24 | 2011-04-20 | 天津市环境保护科学研究院 | Dynamic odor measurement instrument |
| CN104155326A (en) * | 2014-07-17 | 2014-11-19 | 北京神雾环境能源科技集团股份有限公司 | Multifunctional carbon-containing substance pyrolysis evaluation device and method |
| CN104316365A (en) * | 2014-11-24 | 2015-01-28 | 北京市环境保护科学研究院 | Device for synchronously collecting VOCs and OVOCs in exhaust gases of catering industry |
| CN110095325A (en) * | 2019-05-28 | 2019-08-06 | 山东瑞泽检测评价技术服务有限公司 | A kind of miniature small traffic timing gas sampler of airbag |
| CN111397979A (en) * | 2020-03-23 | 2020-07-10 | 北京市环境保护监测中心 | Smoke plume sampling device and system |
| CN112629960A (en) * | 2021-01-19 | 2021-04-09 | 河南省农业科学院植物营养与资源环境研究所 | Portable farmland greenhouse gas sampling device |
| CN113432937A (en) * | 2021-06-28 | 2021-09-24 | 鞍钢集团北京研究院有限公司 | Detachable coke oven volatile gas collection equipment and method |
-
2006
- 2006-11-20 CN CN 200620151411 patent/CN200968909Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101470056B (en) * | 2007-12-24 | 2011-04-20 | 天津市环境保护科学研究院 | Dynamic odor measurement instrument |
| CN104155326A (en) * | 2014-07-17 | 2014-11-19 | 北京神雾环境能源科技集团股份有限公司 | Multifunctional carbon-containing substance pyrolysis evaluation device and method |
| CN104155326B (en) * | 2014-07-17 | 2018-06-08 | 神雾科技集团股份有限公司 | Multi-functional carbonaceous material pyrolytic model device and evaluation method |
| CN104316365A (en) * | 2014-11-24 | 2015-01-28 | 北京市环境保护科学研究院 | Device for synchronously collecting VOCs and OVOCs in exhaust gases of catering industry |
| CN110095325A (en) * | 2019-05-28 | 2019-08-06 | 山东瑞泽检测评价技术服务有限公司 | A kind of miniature small traffic timing gas sampler of airbag |
| CN111397979A (en) * | 2020-03-23 | 2020-07-10 | 北京市环境保护监测中心 | Smoke plume sampling device and system |
| CN112629960A (en) * | 2021-01-19 | 2021-04-09 | 河南省农业科学院植物营养与资源环境研究所 | Portable farmland greenhouse gas sampling device |
| CN112629960B (en) * | 2021-01-19 | 2023-08-04 | 河南省农业科学院植物营养与资源环境研究所 | Portable farmland greenhouse gas sampling device |
| CN113432937A (en) * | 2021-06-28 | 2021-09-24 | 鞍钢集团北京研究院有限公司 | Detachable coke oven volatile gas collection equipment and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN MANAGEMENT CENTER OF SOLID WASTES AND TOXI Free format text: FORMER OWNER: TIANJIN CITY ENVIRONMENT PROTECTION SCIENCE INST. Effective date: 20111214 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20111214 Address after: 300191, room 505, new complex building, 17 Fu Lu, Nankai District, Tianjin Patentee after: Tianjin municipal solid waste and toxic chemicals management center Address before: 300191 room 213, ASTRI, 17 rehabilitation Road, Tianjin, Nankai District Patentee before: Tianjin City Environment Protection Science Inst. |
|
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN HEJIA VEOLIA ENVIRONMENTAL SERVICES CO., L Free format text: FORMER OWNER: TIANJIN MANAGEMENT CENTRE OF SOLID WASTE AND TOXIC CHEMICALS Effective date: 20120223 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300191 NANKAI, TIANJIN TO: 300350 JINNAN, TIANJIN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120223 Address after: 300350 No. 28, No. 69, North Gate Town, Jinnan District, Tianjin Patentee after: Tianjin Hejia Veolia Environmental Services Co., Ltd. Address before: 300191, room 505, new complex building, 17 Fu Lu, Nankai District, Tianjin Patentee before: Tianjin municipal solid waste and toxic chemicals management center |
|
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN BINHAI HEJIA VEOLIA ENVIRONMENTAL SERVICES Free format text: FORMER OWNER: TIANJIN HEJIA VEOLIA ENVIRONMENTAL SERVICES CO., LTD. Effective date: 20121220 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300350 JINNAN, TIANJIN TO: 300084 BINHAI NEW ZONE, TIANJIN CITY |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121220 Address after: Nangang Industrial Zone Innovation Road 300084 Tianjin Development Zone to the North West Road Planning Patentee after: Tianjin Binhai Veolia Environment Service Co., Ltd. Address before: 300350 No. 28, No. 69, North Gate Town, Jinnan District, Tianjin Patentee before: Tianjin Hejia Veolia Environmental Services Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20071031 |
|
| EXPY | Termination of patent right or utility model |