CN208399220U - A kind of gas producing device acquiring parallel gas - Google Patents
A kind of gas producing device acquiring parallel gas Download PDFInfo
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- CN208399220U CN208399220U CN201820777204.XU CN201820777204U CN208399220U CN 208399220 U CN208399220 U CN 208399220U CN 201820777204 U CN201820777204 U CN 201820777204U CN 208399220 U CN208399220 U CN 208399220U
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Abstract
The utility model provides a kind of gas producing device for acquiring parallel gas, it is characterised in that: including power unit and sampling unit；Wherein, power unit includes gas gas channels, power device, air inlet control assembly and outlet control assembly；Sampling unit includes sampling cabinet.By the intracorporal pressure of regulation box, make to sample airbag automatic inflatable/air.The gas sampling assembly is easy to operate, and sample collimation is good.
Description
Technical field
The utility model relates to analysis Instrument equipment fields, and in particular, to a kind of gas producing device for acquiring parallel gas.
Background technique
According to measurement direct injected-gas-chromatography of HJ 604-2017 surrounding air total hydrocarbon, methane and non-methane total hydrocarbons
Method；The sampling airbag method of HJ 732-2014 stationary source exhaust gas volatile organic matter；HJ905-2017 odor pollution environment
The standards such as Specifications of Monitoring Technology, the measurement for gas need to acquire sample at the scene, then bring laboratory into and be measured.
Right existing gas recovery facility is all that single airbag carries out gas production, needs to do Parallel Sampling for sample, 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.
Utility model content
The utility model is intended to overcome drawbacks described above, provides a kind of easy to operate, gas sampling assembly of sample collimation.
The utility model provides a kind of gas producing device for acquiring parallel gas, it is characterised in that: including power unit and
Sampling unit；
Wherein, above-mentioned power unit includes gas channels, power device, air inlet control assembly and outlet control assembly；
Above-mentioned gas channels include the port A and the port B；
The port A of above-mentioned gas channels is communicated with sampling cabinet；
Above-mentioned power device 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 end B of second port and gas channels
Mouth communicates, and third port is communicated with the 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 end B of second port and gas channels
Mouth communicates, and third port is communicated with the atmosphere；
I.e., the end of air inlet control assembly and the beginning of outlet control assembly are the end B of gas channels.
Above-mentioned sampling unit includes sampling cabinet；
Above-mentioned sampling cabinet 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, a kind of gas producing device acquiring parallel gas provided by the utility model, also has a characteristic that
I.e., above-mentioned branch's tracheae is equipped with flow control valve, for controlling the flow of gas coming through.Different gas are used so as to improve
Bag, is collected simultaneously gas uniformity when gas.
Further, a kind of gas producing device acquiring parallel gas provided by the utility model, also has a characteristic that
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, a kind of gas producing device acquiring parallel gas provided by the utility model, also has a characteristic that
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 diameter when measuring the air-blowing of airbag or the flow flowed through and next real
It is existing.
Further, a kind of gas producing device acquiring parallel gas provided by the utility model, also has a characteristic that
I.e., the pipeline that the first port of above-mentioned outlet side threeway switch is communicated with gas outlet is equipped with desiccant；
And/or
The pipeline that the first port of above-mentioned inlet end threeway switch is communicated with gas inlet side is equipped with desiccant.
So as in guard box body humidity it is constant.
Further, a kind of gas producing device acquiring parallel gas provided by the utility model, also has a characteristic that
I.e., above-mentioned sampling cabinet is equipped with watch window.
The window refers generally to the transparent setting for being mounted on air-cuff placement.
Further, a kind of gas producing device acquiring parallel gas provided by the utility model, also has a characteristic that
I.e., above-mentioned sampling cabinet is equipped with relief valve.
The relief valve is generally controlled or is manually controlled by pressure.
Further, a kind of gas producing device acquiring parallel gas provided by the utility model, also has a characteristic that
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 utility model additionally provides a kind of method for acquiring parallel gas, it is characterised in that: will be more than one
Sampling airbag is mounted in closed case, by the intracorporal pressure of regulation box, makes to sample airbag automatic inflatable/air.
Further, it is provided by the utility model it is a kind of acquire parallel gas method, also have a characteristic that i.e.,
Using gas producing device as above；
When needing gas production, switching inlet end threeway switch makes the end B of gas channels and gas inlet side be in connected state
State, switching outlet side threeway switch makes atmosphere and gas outlet is in connected state, in power device work extraction sampling box
Gas, sampling box body is interior to be in negative pressure, and sampling airbag is made to acquire gas by thief hatch；
When needing to be vented, switching inlet end threeway switch makes atmosphere and gas inlet side be in connected state, switches out
Threeway switch in gas end makes the end B of gas channels and gas outlet is in connected state, and power device work is extracted atmosphere, adopted
It is in positive pressure in sample cabinet, the gas in airbag will be sampled and be discharged by thief hatch.
The action and effect of the utility model:
The utility model can acquire multiple samples simultaneously in same sampled point, and gas uniformly flows to each gas by a pipeline
Bag, keeps each airbag composition of gases within consistent.Reduction has an impact subsequent measurements.And it only needs to carry out once to sample energy
Realize the acquisition of Multi-example, it is simple and convenient.It improves efficiency.
Detailed description of the invention
The structural schematic diagram of the gas producing device for the acquisition parallel gas that attached drawing 1, embodiment are related to.
Specific embodiment
As shown in Figure 1, present embodiments provide a kind of gas producing device that can be used for acquiring parallel gas, by power unit and
Sampling unit composition；
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 tee tube.
It is additionally provided with thief hatch on the sampling box, from the position of the thief hatch, is extended with to the intracorporal position of sampling box
Air inlet supervisor, air inlet supervisor are 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.Opening when replacement, collection airbag etc. need to open air sampling box, makes 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 automatic control 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 tee tube and gas channels
It communicates, third port is communicated with the 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 tee tube and gas channels
It communicates, third port is communicated with the 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 atmosphere and air
Pump connected state.Air pump is evacuated, and air passes through triple valve 1, air pump in air sampling box, and triple valve 2 is discharged to atmosphere.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 atmosphere and air pump connected state, and triple valve 2 is switched to air sampling box and air
Pump connected state.Air pump pumping, surrounding air enter air sampling box by triple valve 1, air pump, triple valve 2.In air sampling box
Positive pressure is formed, air is discharged by connecting tube from gas production mouth in each airbag.
In addition, needing to be repeated several times gas production/exhaust process before gas production according to the requirement of sampling, thus to clean gas production bag.
Claims (8)
1. a kind of gas producing device for acquiring parallel gas, it is characterised in that: including power unit and sampling unit；
Wherein, the power unit includes gas channels, power device, air inlet control assembly and outlet control assembly；
The gas channels include the port A and the port B；
The port A of the gas channels is communicated with sampling cabinet；
The power device 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 port the B phase of second port and gas channels
Logical, third port is communicated with the 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 port the B phase of second port and gas channels
Logical, third port is communicated with the atmosphere；
The sampling unit includes sampling cabinet；
The sampling cabinet 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 for acquiring parallel gas as described in claim 1, it is characterised in that:
Branch's tracheae is equipped with flow control valve, for controlling the flow of gas coming through.
3. a kind of gas producing device for acquiring parallel gas as described in claim 1, it is characterised in that: on branch's tracheae
Equipped with valve；
The valve can open and close this point of bronchial gas passage.
4. a kind of gas producing device for acquiring 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 for acquiring 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 desiccant；
And/or
The pipeline that the first port of the inlet end threeway switch is communicated with gas inlet side is equipped with desiccant.
6. a kind of gas producing device for acquiring parallel gas as described in claim 1, it is characterised in that:
The sampling cabinet 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 box
Body is equipped with relief valve.
8. a kind of gas producing device for acquiring 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820777204.XU CN208399220U (en) | 2018-05-23 | 2018-05-23 | A kind of gas producing device acquiring parallel gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820777204.XU CN208399220U (en) | 2018-05-23 | 2018-05-23 | A kind of gas producing device acquiring parallel gas |
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| Publication Number | Publication Date |
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| CN208399220U true CN208399220U (en) | 2019-01-18 |
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| CN201820777204.XU Active CN208399220U (en) | 2018-05-23 | 2018-05-23 | A kind of gas producing device acquiring parallel gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801716A (en) * | 2018-05-23 | 2018-11-13 | 上海北裕分析仪器股份有限公司 | A kind of gas producing device and method of acquisition parallel gas |
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2018
- 2018-05-23 CN CN201820777204.XU patent/CN208399220U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801716A (en) * | 2018-05-23 | 2018-11-13 | 上海北裕分析仪器股份有限公司 | A kind of gas producing device and method of acquisition parallel gas |
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