CN108801716A - A kind of gas producing device and method of acquisition parallel gas - Google Patents
A kind of gas producing device and method of acquisition parallel gas Download PDFInfo
- Publication number
- CN108801716A CN108801716A CN201810501710.0A CN201810501710A CN108801716A CN 108801716 A CN108801716 A CN 108801716A CN 201810501710 A CN201810501710 A CN 201810501710A CN 108801716 A CN108801716 A CN 108801716A
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- Prior art keywords
- gas
- sampling
- producing device
- port
- airbag
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- 238000000034 method Methods 0.000 title claims description 11
- 238000005070 sampling Methods 0.000 claims abstract description 75
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 230000001939 inductive effect Effects 0.000 claims description 4
- 230000033228 biological regulation Effects 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims description 2
- 239000000284 extract Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 75
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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
Abstract
The present invention provides a kind of gas producing devices of acquisition parallel gas, it is characterised in that:Including power unit and sampling unit；Wherein, power unit includes gas gas channels, power plant, air inlet control assembly and outlet control assembly；Sampling unit includes sampling babinet.The gas sampling assembly is easy to operate, and sample collimation is good.
Description
Technical field
The present invention relates to analysis Instrument equipment fields, and in particular, to a kind of gas producing device of acquisition parallel gas.
Background technology
According to measurement direct injected-gas-chromatography of HJ 604-2017 surrounding airs total hydrocarbon, methane and non-methane total hydrocarbons
Method；The sampling airbag method of HJ 732-2014 stationary source exhaust gas volatile organic matters；HJ905-2017 odor pollution environment is supervised
The standards such as survey technology specification need to acquire sample at the scene, then bring laboratory into and be measured for the measurement of gas.
Right existing gas recovery facility is all that single airbag carries out gas production, and sample is needed to do Parallel Sampling, needs weight
Multiple multiple repairing weld, thus has the following problems：
A, troublesome in poeration, need repeated multiple times operation
B, because the sampling time is inconsistent, sampling operation dynamics is inconsistent etc., it is inconsistent to easily lead to sample collimation.
Invention content
The present invention is directed to overcome drawbacks described above, a kind of easy to operate, gas sampling assembly of sample collimation is provided.
The present invention provides a kind of gas producing devices of acquisition parallel gas, it is characterised in that:Including power unit and sampling
Unit；
Wherein, above-mentioned power unit includes gas channels, power plant, air inlet control assembly and outlet control assembly；
Above-mentioned gas channels include the ports A and the ports B；
The ports A of above-mentioned gas channels are communicated with sampling babinet；
Above-mentioned jet power unit includes gas inlet side and gas outlet；
Above-mentioned air inlet control assembly includes inlet end threeway switch；Generally triple valve；
The first port of above-mentioned inlet end threeway switch is communicated with gas inlet side, the ends B of second port and gas channels
Mouth communicates, third port and atmosphere；
Above-mentioned outlet control assembly includes outlet side threeway switch；
The first port of above-mentioned outlet side threeway switch is communicated with gas outlet, the ends B of second port and gas channels
Mouth communicates, third port and atmosphere；
I.e., the end of air inlet control assembly and the beginning of outlet control assembly are the ends B of gas channels.
Above-mentioned sampling unit includes sampling babinet；
Above-mentioned sampling babinet is equipped with thief hatch；
Sampling component is equipped in above-mentioned sampling box body；
Above-mentioned sampling component is made of sampling tracheae and more than one sampling airbag；
The Single port of above-mentioned sampling tracheae is in succession on thief hatch；
Above-mentioned sampling tracheae is equipped with more than one branch's tracheae；
Above-mentioned sampling airbag is installed on each point of bronchial end.
Further, the gas producing device of a kind of acquisition parallel gas provided by the invention, also has the characteristics that such:I.e.,
Above-mentioned branch's tracheae is equipped with flow control valve, the flow for controlling gas coming through.So as to improve using different airbags, together
When collect gas when the gas uniformity.
Further, the gas producing device of a kind of acquisition parallel gas provided by the invention, also has the characteristics that such:I.e.,
Above-mentioned branch's tracheae is equipped with valve；
Above-mentioned valve can open and close this point of bronchial gas passage.
When the sampling airbag or branch's tracheae by way of shutdown without when sampling, then being realized.
Further, the gas producing device of a kind of acquisition parallel gas provided by the invention, also has the characteristics that such:I.e.,
Inductive switch is equipped in above-mentioned sampling box body；
Above-mentioned inductive switch is used to incude the saturation degree of each sampling airbag, and valve is closed when reaching critical value.
The mode of the induction saturation degree can be by measuring airbag air-blowing when diameter or the flow that flows through in and come real
It is existing.
Further, the gas producing device of a kind of acquisition parallel gas provided by the invention, also has the characteristics that such:I.e.,
The pipeline that the first port of above-mentioned outlet side threeway switch is communicated with gas outlet is equipped with drier；
And/or
The pipeline that the first port of above-mentioned inlet end threeway switch is communicated with gas inlet side is equipped with drier.
So as in guard box body humidity it is constant.
Further, the gas producing device of a kind of acquisition parallel gas provided by the invention, also has the characteristics that such:I.e.,
Above-mentioned sampling babinet is equipped with watch window.
The window refers generally to the transparent setting mounted on air-cuff placement.
Further, the gas producing device of a kind of acquisition parallel gas provided by the invention, also has the characteristics that such:I.e.,
Above-mentioned sampling babinet is equipped with relief valve.
The relief valve is generally controlled or is manually controlled by pressure.
Further, the gas producing device of a kind of acquisition parallel gas provided by the invention, also has the characteristics that such:I.e.,
Above-mentioned relief valve has the function of automatically controlling, and relief valve is automatically opened when internal pressure reaches threshold values.
In addition, the present invention also provides a kind of methods of acquisition parallel gas, it is characterised in that:By more than one sampling
Airbag is mounted in closed case, by the pressure in regulation box body, makes sampling airbag automatic inflatable/air.
Further, the method for a kind of acquisition parallel gas provided by the invention, also has the characteristics that such:I.e., it uses
Gas producing device as above；
When needing gas production, switching inlet end threeway switch makes the ends B of gas channels and gas inlet side be in connected state
State, switching outlet side threeway switch make air and gas outlet be in connected state, in power plant work extraction sampling box
Gas, sampling box body is interior to be in negative pressure, so that sampling airbag is passed through thief hatch and acquires gas；
When needing exhaust, switching inlet end threeway switch makes air be in connected state with gas inlet side, switches out
Threeway switch in gas end makes the ends B of gas channels and gas outlet is in connected state, and power plant work is extracted air, adopted
It is in positive pressure in sample babinet, the gas sampled in airbag is discharged by thief hatch.
The effect of the present invention：
The present invention can acquire multiple samples simultaneously in same sampled point, and gas uniformly flows to each airbag by a pipeline,
Keep each airbag composition of gases within consistent.Reduction has an impact subsequent measurements.And it only needs to carry out once to sample energy in fact
The acquisition of existing Multi-example, it is simple and convenient.Improve efficiency.
Description of the drawings
The structural schematic diagram of the gas producing device for the acquisition parallel gas that attached drawing 1, embodiment are related to.
Specific implementation mode
As shown in Figure 1, present embodiments provide a kind of gas producing device can be used for acquiring parallel gas, by power unit and
Sampling unit forms；
Wherein, which is made of gas channels, air pump, triple valve 1 and triple valve 2；
The sampling unit is sampling box；
The sampling box is equipped with the passway being connected to one end of gas channels；
The other end of the gas channels is the structure of three-way pipe.
It is additionally provided with thief hatch on the sampling box, from the position of the thief hatch, the position into sampling box body is extended with
Air inlet is responsible for, and air inlet supervisor is equipped with four air intake branches, and the end of each air intake branch is connected to airbag, which passes through
The mode of sealing is fixed with air intake branch, can be stopped in airbag after gas flows into airbag.According to the needs of actual use, gas
The quantity of bag can be increased and decreased.
It is additionally provided with relief valve on the sampling box, the pressure for being discharged in sampling box.The relief valve at work, close from
And air sampling box is kept to seal.Replacement, collection airbag etc. need to open when opening air sampling box, make air pressure and ambient atmosphere in air sampling box
Pressure is consistent, reduces difficulty of unpacking.The relief valve can also have the function of automatically controlling simultaneously, when internal pressure reaches 0.8mpa
When, pressure release is automatically opened, when being less than, is automatically closed.
The air pump provides the power of air-flow for whole system；
The first port of the triple valve 1 is communicated with the air inlet of air pump, and second port passes through three-way pipe and gas channels
It communicates, third port and atmosphere, which can make two any ports to conducting by way of adjusting.
The first port of the triple valve 2 is communicated with the gas outlet of air pump, and second port passes through three-way pipe and gas channels
It communicates, third port and atmosphere, which can make two any ports to conducting by way of adjusting.
The carrying out practically and application method of this system are as follows：
Gas production process：Triple valve 1 is switched to air sampling box and air pump connected state, and triple valve 2 is switched to air and air
Pump connected state.Air pump is evacuated, and air is by triple valve 1 in air sampling box, air pump, and triple valve 2 is discharged to air.Air sampling box
Interior formation negative pressure, environmental air is by gas production mouth from connecting tube even into each airbag.
Exhaust process：Triple valve 2 is switched to air and air pump connected state, and triple valve 2 is switched to air sampling box and air
Pump connected state.Air pump is evacuated, and surrounding air enters air sampling box by triple valve 1, air pump, triple valve 2.Shape in air sampling box
At positive pressure, air is discharged by connecting tube from gas production mouth in each airbag.
In addition, according to the requirement of sampling, need to be repeated several times gas production/exhaust process before gas production, to clean gas production bag.
Claims (10)
1. a kind of gas producing device of acquisition parallel gas, it is characterised in that:Including power unit and sampling unit；
Wherein, the power unit includes gas channels, power plant, air inlet control assembly and outlet control assembly；
The gas channels include the ports A and the ports B；
The ports A of the gas channels are communicated with sampling babinet；
The jet power unit includes gas inlet side and gas outlet；
The air inlet control assembly includes inlet end threeway switch；
The first port of the inlet end threeway switch is communicated with gas inlet side, the ports the B phase of second port and gas channels
It is logical, third port and atmosphere；
The outlet control assembly includes outlet side threeway switch；
The first port of the outlet side threeway switch is communicated with gas outlet, the ports the B phase of second port and gas channels
It is logical, third port and atmosphere；
The sampling unit includes sampling babinet；
The sampling babinet is equipped with thief hatch；
Sampling component is equipped in the sampling box body；
The sampling component is made of sampling tracheae and more than one sampling airbag；
The Single port of the sampling tracheae is in succession on thief hatch；
The sampling tracheae is equipped with more than one branch's tracheae；
The sampling airbag is installed on each point of bronchial end.
2. a kind of gas producing device of acquisition parallel gas as described in claim 1, it is characterised in that:
Branch's tracheae is equipped with flow control valve, the flow for controlling gas coming through.
3. a kind of gas producing device of acquisition parallel gas as described in claim 1, it is characterised in that:
Branch's tracheae is equipped with valve；
The valve can open and close this point of bronchial gas passage.
4. a kind of gas producing device of acquisition parallel gas as claimed in claim 3, it is characterised in that:
Inductive switch is equipped in the sampling box body；
The inductive switch is used to incude the saturation degree of each sampling airbag, and valve is closed when reaching critical value.
5. a kind of gas producing device of acquisition parallel gas as described in claim 1, it is characterised in that:
The pipeline that the first port of the outlet side threeway switch is communicated with gas outlet is equipped with drier；
And/or
The pipeline that the first port of the inlet end threeway switch is communicated with gas inlet side is equipped with drier.
6. a kind of gas producing device of acquisition parallel gas as described in claim 1, it is characterised in that:
The sampling babinet is equipped with watch window.
7. a kind of gas producing device of acquisition parallel gas as described in claim 1-6 is any, it is characterised in that:
The sampling babinet is equipped with relief valve.
8. a kind of gas producing device of acquisition parallel gas as claimed in claim 7, it is characterised in that:
The relief valve has the function of automatically controlling, and relief valve is automatically opened when internal pressure reaches threshold values.
9. a kind of method of acquisition parallel gas, it is characterised in that:More than one sampling airbag is mounted in closed case,
By the pressure in regulation box body, make sampling airbag automatic inflatable/air.
10. a kind of method of acquisition parallel gas as claimed in claim 9, it is characterised in that：Appointed using such as claim 1-8
Gas producing device described in one；
When needing gas production, switching inlet end threeway switch makes the ends B of gas channels and gas inlet side be in connected state, cuts
Changing outlet side threeway switch makes air and gas outlet be in connected state, gas in power plant work extraction sampling box,
It is in negative pressure in sampling box body, so that sampling airbag is passed through thief hatch and acquires gas；When needing exhaust, switching inlet end threeway is cut
Parallel operation makes air be in connected state with gas inlet side, and switching outlet side threeway switch makes the ends B of gas channels and gas go out
End is in connected state, and power plant work extracts air, is in positive pressure in sampling box body, the gas sampled in airbag is led to
Over-sampling mouth is discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810501710.0A CN108801716A (en) | 2018-05-23 | 2018-05-23 | A kind of gas producing device and method of acquisition parallel gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810501710.0A CN108801716A (en) | 2018-05-23 | 2018-05-23 | A kind of gas producing device and method of acquisition parallel gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108801716A true CN108801716A (en) | 2018-11-13 |
Family
ID=64092794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810501710.0A Pending CN108801716A (en) | 2018-05-23 | 2018-05-23 | A kind of gas producing device and method of acquisition parallel gas |
Country Status (1)
| Country | Link |
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| CN (1) | CN108801716A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109772828A (en) * | 2018-12-21 | 2019-05-21 | 刘斌 | A kind of cleaning method of airbag cleaning device and airbag |
| 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 |
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|---|---|---|---|---|
| JPH11211630A (en) * | 1998-01-22 | 1999-08-06 | Hino Motors Ltd | Gas sample collecting device and its use method |
| CN201724852U (en) * | 2010-07-20 | 2011-01-26 | 镇海石化建安工程有限公司 | Gas bag sealing sampler |
| CN102103046A (en) * | 2011-01-25 | 2011-06-22 | 马鞍山钢铁股份有限公司 | Ball bladder sampling device and sampling method |
| CN103759986A (en) * | 2014-01-06 | 2014-04-30 | 青岛恒远科技发展有限公司 | Air bag sampler for vacuum box |
| CN104764632A (en) * | 2015-04-22 | 2015-07-08 | 苏州聚阳环保科技股份有限公司 | Non-contact type full-automatic gas sample retention device |
| CN205246404U (en) * | 2015-12-18 | 2016-05-18 | 杭州同孚环保科技有限公司 | Gaseous automatic sampling instrument in field |
| CN207248584U (en) * | 2018-01-09 | 2018-04-17 | 许丽萍 | A kind of source of atmospheric pollution monitoring sampling apparatus |
| CN208399220U (en) * | 2018-05-23 | 2019-01-18 | 上海北裕分析仪器股份有限公司 | A kind of gas producing device acquiring parallel gas |
-
2018
- 2018-05-23 CN CN201810501710.0A patent/CN108801716A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11211630A (en) * | 1998-01-22 | 1999-08-06 | Hino Motors Ltd | Gas sample collecting device and its use method |
| CN201724852U (en) * | 2010-07-20 | 2011-01-26 | 镇海石化建安工程有限公司 | Gas bag sealing sampler |
| CN102103046A (en) * | 2011-01-25 | 2011-06-22 | 马鞍山钢铁股份有限公司 | Ball bladder sampling device and sampling method |
| CN103759986A (en) * | 2014-01-06 | 2014-04-30 | 青岛恒远科技发展有限公司 | Air bag sampler for vacuum box |
| CN104764632A (en) * | 2015-04-22 | 2015-07-08 | 苏州聚阳环保科技股份有限公司 | Non-contact type full-automatic gas sample retention device |
| CN205246404U (en) * | 2015-12-18 | 2016-05-18 | 杭州同孚环保科技有限公司 | Gaseous automatic sampling instrument in field |
| CN207248584U (en) * | 2018-01-09 | 2018-04-17 | 许丽萍 | A kind of source of atmospheric pollution monitoring sampling apparatus |
| CN208399220U (en) * | 2018-05-23 | 2019-01-18 | 上海北裕分析仪器股份有限公司 | A kind of gas producing device acquiring parallel gas |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109772828A (en) * | 2018-12-21 | 2019-05-21 | 刘斌 | A kind of cleaning method of airbag cleaning device and airbag |
| CN109772828B (en) * | 2018-12-21 | 2019-12-13 | 刘斌 | Air bag cleaning device and air bag cleaning method |
| 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 |
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Application publication date: 20181113 |
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