CN208999450U - A kind of simple double pump air sampling device - Google Patents
A kind of simple double pump air sampling device Download PDFInfo
- Publication number
- CN208999450U CN208999450U CN201820959119.5U CN201820959119U CN208999450U CN 208999450 U CN208999450 U CN 208999450U CN 201820959119 U CN201820959119 U CN 201820959119U CN 208999450 U CN208999450 U CN 208999450U
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- stainless steel
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- steel tee
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- air inlet
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Abstract
A kind of simple double pump air sampling device realizes remote sampling, stability contorting sample introduction pressure by double pump control, and solves the problems, such as that sample residence time in pipeline is too long, has filled up domestic blank.The air inlet of the big flow inflator pump (1) of the device connects suspended body flowmeter one (2) gas outlet, suspended body flowmeter one (2) air inlet connects Stainless steel tee one (3), another mouth of Stainless steel tee one (3) taps into air pipe, the third mouth of Stainless steel tee one (3) connects particulate filter (4) air inlet, the gas outlet of particulate filter (4) connects small flow inflator pump (5) air inlet, small flow inflator pump (5) gas outlet connects Stainless steel tee two (6), another mouth of Stainless steel tee two (6) enters analysis instrument (11) by pipeline switching, the third mouth of Stainless steel tee two (6) connects Stainless steel tee three (7), another mouth of Stainless steel tee three (7) connects pressure gauge (8), the third mouth of Stainless steel tee three (7) connects counterbalance valve (9), counterbalance valve (9) air inlet of another termination suspended body flowmeter two (10).
Description
Technical field
The utility model relates to a kind of simple double pump air sampling devices, especially suitable for sampling at a distance, stability contorting
Sample introduction pressure, and solve the problems, such as that sample residence time in pipeline is too long.
Background technique
The thief hatch of Gas observation high tower sampling is erected at the tower top of 80 m high, horizontal distance of the laboratory away from tower about 100
M, about 225 m of pipeline total length of thief hatch to observation system.Large-flow air pump is directlyed adopt, moment sample volume is excessive, adopts
Sample pressure, mass flow discrepancy weighing apparatus.Small flow aspiration pump is directlyed adopt, gaseous sample residence time in pipeline is too long.
Innovative point:
Simple double pump air sampling device realizes remote sampling by double pump control, controls suitable sample introduction pressure, together
When solve the problems, such as that sample residence time in pipeline is too long.
Summary of the invention
In order to plug a gap, the utility model provides a kind of simple double pump air sampling device.Device is filled by big flow
Air pump 1, suspended body flowmeter 2, particulate filter 1, small flow inflator pump 1,1, pressure gauge, counterbalance valve 1 composition,
Connection relationship is as shown in the picture.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of simple double pump air sampling device, including big flow inflator pump, suspended body flowmeter, Stainless steel tee, particle
Object filter, small flow inflator pump, pressure gauge, counterbalance valve；The air inlet of the big flow inflator pump 1 of the device connects suspended body flowmeter
One 2 gas outlet, the air inlet of suspended body flowmeter 1 connect Stainless steel tee 1, another mouth of Stainless steel tee 1 taps into
Air pipe, the third mouth of Stainless steel tee 1 connect the air inlet of particulate filter 4, and the gas outlet of particulate filter 4 connects
The air inlet of small flow inflator pump 5, the gas outlet of small flow inflator pump 5 connect Stainless steel tee 26, Stainless steel tee 26 it is another
One mouth enters analysis instrument 11 by pipeline switching, and the third mouth of Stainless steel tee 26 connects Stainless steel tee 37, no
Another mouth of steel threeway 37 of becoming rusty connects pressure gauge 8, and the third mouth of Stainless steel tee 37 connects counterbalance valve 9, counterbalance valve 9 it is another
The air inlet of one termination suspended body flowmeter 2 10.When remote outdoor sampling, air is by big flow inflator pump 1 with biggish
Flow is extracted into observation system proximal end, and when sample introduction is passed through using the partial air that big flow inflator pump 1 is pumped by small flow inflator pump 5
It is pumped into observation system after particulate filter 4, the counterbalance valve 9 being connected with small 5 gas outlet of flow inflator pump can accurately control gas
Into the pressure of system, excessive gas will be bypassed by small flow inflator pump 5 and be emptied.
The utility model has the beneficial effects that efficiently controlling the quality sampled at a distance.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Attached drawing 1 is a kind of structure principle chart of simple double pump air sampling device, respectively big flow inflator pump 1, float
Flowmeter 1, Stainless steel tee 1, particulate filter 4, small flow inflator pump 5, Stainless steel tee 26, Stainless steel tee
37, pressure gauge 8, counterbalance valve 9, suspended body flowmeter 2 10.
Specific embodiment
The injection port of gas can be connect Stainless steel tee 1 by the present apparatus, and a mouth of Stainless steel tee 1 connects float-type
One 2 air inlet is counted, the gas outlet of flowmeter 1 connects 1 air inlet of big flow inflator pump again, by big flow inflator pump 1 by air
It is pumped into rapidly, suspended body flowmeter 1 can monitor the sucking rate of big flow inflator pump.Another mouth of Stainless steel tee 1 connects
Grain object filter 4, then connect the air inlet of small flow inflator pump 5.The gas outlet of small flow inflator pump connects Stainless steel tee 26, no
One mouth of rust steel threeway 26 is connected to detecting instrument 11, another mouth connects pressure gauge 8, counterbalance valve 9 and suspended body flowmeter 2 10.
The pipeline being connected between each component is stainless steel tube.When device is run, big flow inflator pump 1 is normally opened, and being continued with larger flow will
Air, which is transported to be located at by thief hatch, tests indoor observation system proximal end.When observation system starts sample introduction, start small flow
The partial air that big flow inflator pump 1 is pumped into is pumped into observation system after particulate filter 4 by inflator pump 5.Pass through adjusting
Sample introduction pressure can be effectively controlled in pressure gauge 8, counterbalance valve 9 and the suspended body flowmeter 2 10 terminated after small flow inflator pump 5.
Claims (1)
1. a kind of simple double pump air sampling device, including big flow inflator pump, suspended body flowmeter, Stainless steel tee, particulate matter
Filter, small flow inflator pump, pressure gauge, counterbalance valve；It is characterized in that the air inlet of big flow inflator pump (1) connects float-type
Count (2) gas outlet, suspended body flowmeter one (2) air inlet connects Stainless steel tee one (3), Stainless steel tee one (3) another
Mouth taps into air pipe, and the third mouth of Stainless steel tee one (3) connects particulate filter (4) air inlet, particulate filter (4)
Gas outlet connect small flow inflator pump (5) air inlet, small flow inflator pump (5) gas outlet connects Stainless steel tee two (6), stainless steel
Another mouth of threeway two (6) enters analysis instrument (11) by pipeline switching, and the third mouth of Stainless steel tee two (6) connects
Stainless steel tee three (7), another mouth of Stainless steel tee three (7) connect pressure gauge (8), the third of Stainless steel tee three (7)
Mouth connects counterbalance valve (9), the air inlet of another termination suspended body flowmeter two (10) of counterbalance valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820959119.5U CN208999450U (en) | 2018-06-21 | 2018-06-21 | A kind of simple double pump air sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820959119.5U CN208999450U (en) | 2018-06-21 | 2018-06-21 | A kind of simple double pump air sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208999450U true CN208999450U (en) | 2019-06-18 |
Family
ID=66795269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820959119.5U Expired - Fee Related CN208999450U (en) | 2018-06-21 | 2018-06-21 | A kind of simple double pump air sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208999450U (en) |
-
2018
- 2018-06-21 CN CN201820959119.5U patent/CN208999450U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190618 Termination date: 20200621 |