CN206057307U - A kind of gas pumping laboratory simulation device - Google Patents
A kind of gas pumping laboratory simulation device Download PDFInfo
- Publication number
- CN206057307U CN206057307U CN201620894700.4U CN201620894700U CN206057307U CN 206057307 U CN206057307 U CN 206057307U CN 201620894700 U CN201620894700 U CN 201620894700U CN 206057307 U CN206057307 U CN 206057307U
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- gas
- air inlet
- valve
- gas leakage
- pumping
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Abstract
The utility model discloses a kind of gas pumping laboratory simulation device, including lucite tube, gas handling system and extract system, one end of lucite tube is connected with the first plug, the other end of lucite tube is connected with the second plug, lucite tube is provided with air inlet, venthole and multiple gas leakage measured holes, gas leakage measurement pipe is connected with gas leakage measured hole, gas leakage controlled valve in gas leakage measurement pipe, is connected with；Gas handling system includes methane gas bottle, bumping bag, dilution valve, methane gas bottle switch valve, gas pressure regulating valve, first pressure table and air intake valve, air inlet sampling bag, air inlet sample cock and air inlet optics watt inspection instrument；Extract system includes the first vacuum pump, second pressure table, air suction sampling bag, air suction sampling valve and pumping optics watt inspection instrument.This utility model simple structure, novel in design rationally it is convenient to realize, is to develop mash gas pumping drilling Gas leak position detection means to provide the foundation, and practical, using effect is good, is easy to promote the use of.
Description
Technical field
This utility model belongs to coal mine gas drainage technical field, and in particular to a kind of gas pumping laboratory simulation dress
Put.
Background technology
Coal bed gas extraction is to prevent and treat one of technical measures of coal and gas prominent, is at home and abroad obtained in projecting mine
Extensive application is arrived.Coal bed gas extraction effect depends not only on coal-bed gas and generates and occurrence condition, and is decided by gas
Extraction construction quality.Mine gas extraction amount is not up to standard mostly at present for China, traces it to its cause and does except coal-bed gas element task
Not enough, the method choice that draws out methane it is improper outer, it is also one heavy that mash gas pumping drilling sealing of hole effect can not meet engine request
Want reason, therefore sealing of hole effect and the key that quality testing is coal bed gas extraction.But, in prior art, also lack structure letter
It is single, novel in design rationally, using easy to operate, practical mash gas pumping drilling Gas leak position detection means.And in order to grind
Suitable mash gas pumping drilling Gas leak position detection means is made, is accomplished by first being studied in experiment interior, design is realized
Coal mine gas extraction drill hole Gas leak position testing laboratory analog systemss, be extraction borehole axial gas migration law study,
Rationally hole sealing depth and method for sealing, raising extraction efficient studies provide theoretical and realistic basis, are that gas pumping provides safeguard；
And when laboratory design realizes coal mine gas extraction drill hole Gas leak position testing laboratory's analog systemss, first have to design and realize
Gas pumping laboratory simulation device, in prior art, also lack simple structure, it is novel in design rationally, using easy to operate, real
With the strong gas pumping laboratory that can be used in coal mine gas extraction drill hole Gas leak position testing laboratory analog systemss of property
Analog.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, there is provided a kind of gas
Extraction laboratory simulation device, its simple structure, novel in design rationally it is convenient to realize, is to develop mash gas pumping drilling gas leakage position
Put detection means to provide the foundation, practical, using effect is good, is easy to promote the use of.
To solve above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of gas pumping laboratory simulation
Device, it is characterised in that：It is including for simulating lucite tube, gas handling system and the extract system of mash gas pumping drilling, described
One end of lucite tube is connected with the first plug, and the other end of the lucite tube is connected with the second plug, described organic
Part on glass tubing near the first plug is provided with air inlet, arranges near the part of the second plug on the lucite tube
There is venthole, the part being located between air inlet and venthole on the lucite tube is evenly arranged with multiple gas leakage measurements
Hole, is connected with gas leakage measurement pipe, is connected with gas leakage controlled valve in the gas leakage measurement pipe on the gas leakage measured hole；It is described enter
Gas system includes methane gas bottle and bumping bag, and dilution valve is connected with the bumping bag, and the air inlet of the bumping bag leads to
The gas outlet that the first air inlet pipe is crossed with methane gas bottle is connected, and is connected with methane gas bottle on the gas outlet of the methane gas bottle
Switch valve, be provided with gas pressure regulating valve, first pressure table and air intake valve in first air inlet pipe, the bumping bag goes out
QI KOU is connected with air inlet by the second air inlet pipe, is connected with air inlet sampling by the 3rd air inlet pipe in second air inlet pipe
Bag, is provided with air inlet sample cock, air inlet optics watt inspection instrument is connected with the air inlet sampling bag in the 3rd air inlet pipe；Institute
Stating extract system includes the first vacuum pump, and the air inlet of first vacuum pump is connected with venthole by the first exhaust tube, institute
State and on the first exhaust tube, be provided with second pressure table, the gas outlet of first vacuum pump is connected with pumping by the second exhaust tube
Sampling bag, is provided with air suction sampling valve on second exhaust tube, pumping optics watt inspection is connected with the air suction sampling bag
Instrument.
A kind of above-mentioned gas pumping laboratory simulation device, it is characterised in that：The quantity of the gas leakage measured hole is six
Individual, the quantity of the corresponding gas leakage measurement pipe and gas leakage controlled valve is six.
This utility model has advantages below compared with prior art：
1st, simple structure of the present utility model, novel in design reasonable, it is convenient to realize.
2nd, this utility model can be provided to study coal mine gas extraction drill hole Gas leak position testing laboratory analog systemss
Gas pumping laboratory simulation device, by the device, coordinates mash gas pumping drilling Gas leak position testing laboratory analog
The simulation of coal mine gas extraction drill hole Gas leak position testing laboratory is carried out, negative pressure shape can be detected by way of laboratory simulation
Gas density, extraction negative pressure under state in extraction borehole at different depth etc., can be the axial gas migration rule of extraction borehole
Rule research, reasonable hole sealing depth and method for sealing research provide theoretical and realistic basis.
3rd, this utility model can be used in design realize coal mine gas extraction drill hole Gas leak position testing laboratory simulation system
System, designs the coal mine gas extraction drill hole Gas leak position testing laboratory analog systemss realized, can effectively verify gas pumping
The effectiveness of drilling Gas leak position detection means, effectively can be directed to the gas leakage situation after down-hole drilling sealing of hole and be examined
Survey, gas leakage detection is carried out to positions such as hole sealing tube, sealing of hole sections, coalmass crevasses, effective Gas leak position judges to can determine rationally
Hole sealing depth, optimizes hole-sealing technology.
4th, this utility model can truly simulate coal mine gas drainage process, be to develop the inspection of mash gas pumping drilling Gas leak position
Survey device to provide the foundation, practical, using effect is good, is easy to promote the use of.
In sum, simple structure of the present utility model, novel in design rationally it is convenient to realize, is to develop gas pumping to bore
Hole Gas leak position detection means provides the foundation, practical, and using effect is good, is easy to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Description of reference numerals:
1-lucite tube；2-air inlet；3-gas leakage measured hole；
4-venthole；5-1-the first plug；5-2-the second plug；
6-methane gas bottle；7-the first air inlet pipe；8-first pressure table；
9-air intake valve；10-bumping bag；11-dilution valve；
12-air inlet sample cock；13-air inlet optics watt inspection instrument；14-air inlet sampling bag；
15-second pressure table；16-the first exhaust tube；17-the first vacuum pump；
18-gas leakage measurement pipe；19-air suction sampling valve；20-air suction sampling bag；
21-pumping optics watt inspection instrument；22-gas leakage controlled valve；23-the second air inlet pipe；
24-the three air inlet pipe；25-the second exhaust tube；26-methane gas bottle switch valve；
27-gas pressure regulating valve.
Specific embodiment
As shown in figure 1, gas pumping laboratory simulation device of the present utility model, including for simulating mash gas pumping drilling
Lucite tube 1, gas handling system and extract system, one end of the lucite tube 1 is connected with the first plug 5-1, described
The other end of lucite tube 1 is connected with the second plug 5-2, and the part on the lucite tube 1 near the first plug 5-1 sets
Air inlet 2 is equipped with, the part on the lucite tube 1 near the second plug 5-2 is provided with venthole 4, the lucite
The part being located between air inlet 2 and venthole 4 on pipe 1 is evenly arranged with multiple gas leakage measured holes 3, the gas leakage measured hole 3
On be connected with gas leakage measurement pipe 18, be connected with gas leakage controlled valve 22 in the gas leakage measurement pipe 18；The gas handling system includes
Methane gas bottle 6 and bumping bag 10, are connected with dilution valve 11 on the bumping bag 10, the air inlet of the bumping bag 10 passes through
First air inlet pipe 7 is connected with the gas outlet of methane gas bottle 6, is connected with methane gas on the gas outlet of the methane gas bottle 6
Bottle switch valve 26, is provided with gas pressure regulating valve 27, first pressure table 8 and air intake valve 9 in first air inlet pipe 7, described
The gas outlet of bumping bag 10 is connected with air inlet 2 by the second air inlet pipe 23, passes through the 3rd air inlet in second air inlet pipe 23
Pipe 24 is connected with air inlet sampling bag 14, and air inlet sample cock 12, the air inlet sampling bag are provided with the 3rd air inlet pipe 24
Air inlet optics watt inspection instrument 13 is connected with 14；The extract system includes the first vacuum pump 17, and first vacuum pump 17 enters
QI KOU is connected with venthole 4 by the first exhaust tube 16, is provided with second pressure table 15 on first exhaust tube 16, and described
The gas outlet of one vacuum pump 17 is connected with air suction sampling bag 20 by the second exhaust tube 25, is provided with second exhaust tube 25
Air suction sampling valve 19, is connected with pumping optics watt inspection instrument 21 on the air suction sampling bag 20.
In the present embodiment, the quantity of the gas leakage measured hole 3 is six, and the corresponding gas leakage measurement pipe 18 and gas leakage are switched
The quantity of valve 22 is six.As shown in figure 1, six gas leakage measured holes 3 are respectively gas leakage measured hole A1, gas leakage measurement
Hole A2, gas leakage measured hole A3, gas leakage measured hole A4, gas leakage measured hole A5 and gas leakage measured hole A6.
Adopt this utility model to carry out the process of coal mine gas drainage laboratory simulation for：
Step one, evacuation is carried out to lucite tube 1, detailed process is：Keep multiple gas leakage controlled valves 22, dilution
Valve 11, air intake valve 9 and air inlet sample cock 12 are closed mode, open air suction sampling valve 19, the first vacuum pump 17
Start, evacuation is carried out to lucite tube 1, the pressure in 15 pairs of the first exhaust tubes 16 of the second pressure table is examined in real time
Survey and show, when pressure reaches the negative threshold of evacuation, close air suction sampling valve 19, close the first vacuum pump 17, the
One vacuum pump 17 stops evacuation, and the pressure that now second pressure table 15 shows is designated as F0；
Methane gas are poured in step 2, past lucite tube 1, detailed process is：Methane gas bottle switch valve 26 is opened,
And gas pressure regulating valve 27 is opened, the methane gas pressure of output in methane gas bottle 6 is adjusted, 8 pairs, first pressure table
Real-time detection is carried out into the methane gas pressure in the first air inlet pipe 7 and is shown, when methane gas pressure and atmospheric pressure phase
Deng after, air intake valve 9, dilution valve 11 and air inlet sample cock 12 are opened, the methane gas of output pass through in methane gas bottle 6
First air inlet pipe 7 enters bumping bag 10, mixes with the air entered in bumping bag 10 by diluting valve 11, obtains methane gas
To dilution, the methane gas after dilution pass through the second air inlet pipe 23 and air inlet 2 is entered in lucite tube 1, air inlet optics watt
Inspection instrument 13 carries out real-time detection and shows to gas density, in the first exhaust tube 16 detected up to the second pressure table 15
Pressure stability, the pressure that now second pressure table 15 shows is designated as into F1, and now air inlet optics watt inspection instrument 13 is detected
Gas density recorded；
Gas density during the normal extraction of step 3, gas is determined, and detailed process is：Keep air intake valve 9, dilution
Valve 11 and air inlet sample cock 12 are open mode, open air suction sampling valve 19, and start the first vacuum pump 17, to having
Machine glass tubing 1 carries out gas pumping, simulates the process of coal mine gas drainage, the pressure in 15 pairs of the first exhaust tubes 16 of second pressure table
Power carries out real-time detection and shows, pumping optics watt inspection instrument 21 carries out real-time detection and shows to gas density, works as second pressure
When the pressure that table 15 shows reaches the pressure threshold of gas pumping, the pressure that now second pressure table 15 shows is designated as into F2, and
The gas density detected to being now evacuated optics watt inspection instrument 21 is recorded.
The above, is only preferred embodiment of the present utility model, not this utility model is imposed any restrictions, every
Any simple modification, change and equivalent structure change above example made according to this utility model technical spirit, still
Belong in the protection domain of technical solutions of the utility model.
Claims (2)
1. a kind of gas pumping laboratory simulation device, it is characterised in that：Including for simulating organic glass of mash gas pumping drilling
Glass pipe (1), gas handling system and extract system, one end of the lucite tube (1) are connected with the first plug (5-1), described to have
The other end of machine glass tubing (1) is connected with the second plug (5-2), near the first plug (5-1) on the lucite tube (1)
Part is provided with air inlet (2), and the part on the lucite tube (1) near the second plug (5-2) is provided with venthole
(4) part, being located between air inlet (2) and venthole (4) on the lucite tube (1) is evenly arranged with multiple gas leakage and surveys
Metering-orifice (3), is connected with gas leakage measurement pipe (18), is connected with Lou on the gas leakage measurement pipe (18) on the gas leakage measured hole (3)
Air cock valve (22)；The gas handling system includes methane gas bottle (6) and bumping bag (10), connects on the bumping bag (10)
There is dilution valve (11), the air inlet of the bumping bag (10) is by the first air inlet pipe (7) and the gas outlet of methane gas bottle (6)
Connection, is connected with methane gas bottle switch valve (26), first air inlet pipe (7) on the gas outlet of the methane gas bottle (6)
On be provided with gas pressure regulating valve (27), first pressure table (8) and air intake valve (9), the gas outlet of the bumping bag (10) leads to
Cross the second air inlet pipe (23) to be connected with air inlet (2), be connected with by the 3rd air inlet pipe (24) on second air inlet pipe (23)
Air inlet sampling bag (14), is provided with air inlet sample cock (12), the air inlet sampling bag (14) on the 3rd air inlet pipe (24)
On be connected with air inlet optics watt inspection instrument (13)；The extract system includes the first vacuum pump (17), first vacuum pump (17)
Air inlet be connected with venthole (4) by the first exhaust tube (16), be provided with second pressure on first exhaust tube (16)
Table (15), the gas outlet of first vacuum pump (17) are connected with air suction sampling bag (20) by the second exhaust tube (25), described
Air suction sampling valve (19) is provided with second exhaust tube (25), pumping optics watt inspection on the air suction sampling bag (20), is connected with
Instrument (21).
2. according to a kind of gas pumping laboratory simulation device described in claim 1, it is characterised in that：The gas leakage measured hole
(3) quantity is six, and the quantity of the corresponding gas leakage measurement pipe (18) and gas leakage controlled valve (22) is six.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620894700.4U CN206057307U (en) | 2016-08-17 | 2016-08-17 | A kind of gas pumping laboratory simulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620894700.4U CN206057307U (en) | 2016-08-17 | 2016-08-17 | A kind of gas pumping laboratory simulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206057307U true CN206057307U (en) | 2017-03-29 |
Family
ID=58380867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620894700.4U Expired - Fee Related CN206057307U (en) | 2016-08-17 | 2016-08-17 | A kind of gas pumping laboratory simulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206057307U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107942030A (en) * | 2017-12-18 | 2018-04-20 | 河南理工大学 | A kind of biaxial loadings gas pumping gas leakage analogue experiment installation and method |
| CN112945862A (en) * | 2021-02-01 | 2021-06-11 | 重庆梅安森科技股份有限公司 | Handheld terminal of patrolling and examining of colliery gas |
-
2016
- 2016-08-17 CN CN201620894700.4U patent/CN206057307U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107942030A (en) * | 2017-12-18 | 2018-04-20 | 河南理工大学 | A kind of biaxial loadings gas pumping gas leakage analogue experiment installation and method |
| CN112945862A (en) * | 2021-02-01 | 2021-06-11 | 重庆梅安森科技股份有限公司 | Handheld terminal of patrolling and examining of colliery gas |
| CN112945862B (en) * | 2021-02-01 | 2023-02-28 | 重庆梅安森科技股份有限公司 | Handheld terminal of patrolling and examining of colliery gas |
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| 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: 20170329 Termination date: 20170817 |