CN207366384U - A kind of coal body crushes gas desorption experiment device - Google Patents
A kind of coal body crushes gas desorption experiment device Download PDFInfo
- Publication number
- CN207366384U CN207366384U CN201721147164.2U CN201721147164U CN207366384U CN 207366384 U CN207366384 U CN 207366384U CN 201721147164 U CN201721147164 U CN 201721147164U CN 207366384 U CN207366384 U CN 207366384U
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- China
- Prior art keywords
- gas
- coal
- desorption
- coal sample
- crushes
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Abstract
The utility model discloses a kind of coal body to crush gas desorption experiment device, belongs to coal gas desorption field.The device includes source of the gas, the gas transferring device being connected with the source of the gas, breaker, vacuum pump and the desorption instrument being connected with the breaker being connected with the transferring device, the breaker includes vibrating motor, is connected to the oscillating plate of the vibrating motor output terminal, is connected to spring base of the oscillating plate away from the vibrating motor side and the coal sample tank being connected on the spring base, and the coal sample tank is respectively connected to the transferring device, the desorption instrument and the vacuum pump.
Description
Technical field
Coal gas desorption field is the utility model is related to, more particularly to a kind of coal body crushes gas desorption experiment device.
Background technology
Coal gas adsorption law for researchs such as Gas calculating, gas outbursts Prediction, gas migration mechanism very
It is important.Related scholar is for different coals quality, different adsorption equilibrium pressure, different grain size coal sample, different temperatures, different water cut coal
The desorption of mash gas rule of the conditions such as sample has carried out numerous studies work, it is proposed that the mould of a variety of description coal gas adsorption laws
Type.But when using sealing sampling method measure coal seam gas-bearing capacity, the sampling of drill bit cutting and crushing coal seam, coal sample gas is in coal body
Start to desorb in shattering process, its adsorption law is difficult to obtain using existing experimental method, is unfavorable for obtaining sampling process damage
Lose gas amount compensation calculation method.
In conclusion the desorption of mash gas measure problem being difficult to realize in the prior art in coal seam with gas shattering process, no
Desorption of mash gas rule is crushed beneficial to coal body is obtained.
Utility model content
The utility model provides a kind of coal body and crushes gas desorption experiment device, it is possible to achieve different adsorption equilibrium pressure,
(time of vibration is longer, and coal sample crushing process is longer, final to obtain coal sample particle diameter for different experiments coal body particle diameter, different time of vibration
It is smaller) the desorption of mash gas measuring of condition, gas amount compensation calculation method is lost to obtain sampling process, and support is provided.
A kind of coal body crushes gas desorption experiment device, including source of the gas, be connected with the source of the gas gas transferring device,
Breaker, vacuum pump and the desorption instrument being connected with the breaker being connected with the transferring device, it is described broken
Device includes vibrating motor, is connected to the oscillating plate of the vibrating motor output terminal, is connected to the oscillating plate and shakes away from described
The spring base of dynamic motor side and the coal sample tank being connected on the spring base, the coal sample tank are respectively connected to the transfer dress
Put, the desorption instrument and the vacuum pump.
More preferably, several steel balls are placed with the coal sample tank.
More preferably, the source of the gas is gas cylinder.
More preferably, the transferring device is gasing tank.
The utility model provides a kind of coal body and crushes gas desorption experiment device, using vibrating device that coal cinder is shatter, and
Coal sample reduction process under different lumpiness coal samples, different broken times, different adsorption equilibrium pressure conditions can be realized by vacuum pump
Desorption of mash gas is tested, and obtains the desorption of mash gas rule of coal sample reduction process, the change procedure of coal sample different-grain diameter is all the time in sealing
State, test are more accurate.
Brief description of the drawings
Fig. 1 crushes gas desorption experiment device structure diagram for a kind of coal body provided by the utility model.
Description of reference numerals：
1- gas cylinders, 2- pressure reducing valves, 3- valves, 4- pressure gauges, 5- gasing tanks, 6- coal sample tanks, 7- spring bases, 8- oscillating plates,
8- vibrating motors, 10- vacuum pumps, 11- inhale solution instrument.
Embodiment
Below in conjunction with the accompanying drawings, an embodiment of the utility model is described in detail, it is to be understood that this
The protection domain of utility model and from the limitation of embodiment.
As shown in Figure 1, a kind of coal body that the utility model embodiment provides crushes gas desorption experiment device, including gas cylinder
1st, the gasing tank 5 that is connected with the gas cylinder 1, the breaker being connected with the gasing tank 5, vacuum pump 10 and with it is described broken
The desorption instrument 11 that crushing device is connected, the output terminal of gas cylinder 1 are connected with pressure reducing valve 2, on the connecting line of gasing tank 5 and gas cylinder 1
Valve 3 is connected with, is connected with pressure gauge 4 on coal sample tank 6 and gasing tank 5, is connected on the connecting line of gasing tank 5 and coal sample tank 6
There is a valve 3, be connected with valve 3 on the connecting line of coal sample tank 6 and desorption instrument 11, the breaker includes vibrating motor 9, even
It is connected on the oscillating plate 8 of 9 output terminal of vibrating motor, is connected to spring of the oscillating plate 8 away from 9 side of vibrating motor
Seat 7 and the coal sample tank 6 being connected on the spring base 7, the coal sample tank 6 are respectively connected to the gasing tank 5, the desorption instrument
11 and the vacuum pump 10, several steel balls are placed with the coal sample tank 6, and above-mentioned connection mode is connected by high-pressure hose
Connect, the gas in above-mentioned gas cylinder 1 is methane (CH4)。
During work, the dried different lumpiness coal samples of certain mass are placed in coal sample tank 6, Open valve 3, with vacuum
The connection of pump 10, starts vacuum outgas, and degassing is completed to inflate to gasing tank 5 by gas cylinder 1, then filled from gasing tank 5 to coal sample tank 6
Gas, the coal sample in coal sample tank 6 start CH4 gases in adsorption tanks, and pressure inside the tank constantly reduces, and finally would tend to a steady pressure
Value, is first not connected to desorption instrument 11, opens valve 3, discharges the free gas volume in tank, connects desorption instrument 11 afterwards, opens
Motor, drives oscillating plate 8 and spring base 7, realizes that coal sample tank 6 vibrates, and steel ball is due to swing crushing coal sample in tank, thus using row
Water gas collection method measures the desorption of mash gas amount of coal sample reduction process.
The utility model provides a kind of coal body and crushes gas desorption experiment device, using vibrating device that coal cinder is shatter, and
Coal sample reduction process under different lumpiness coal samples, different broken times, different adsorption equilibrium pressure conditions can be realized by vacuum pump
Desorption of mash gas is tested, and obtains the desorption of mash gas rule of coal sample reduction process, the change procedure of coal sample different-grain diameter is all the time in sealing
State, test are more accurate.
Disclosed above is only several specific embodiments of the utility model, and still, the utility model embodiment is not office
It is limited to this, the changes that any person skilled in the art can think of should all fall into the scope of protection of the utility model.
Claims (4)
1. a kind of coal body crushes gas desorption experiment device, it is characterised in that the gas being connected including source of the gas, with the source of the gas
Transferring device, the breaker being connected with the transferring device, vacuum pump and the desorption instrument being connected with the breaker,
The breaker include vibrating motor, be connected to the oscillating plate of the vibrating motor output terminal, to be connected to the oscillating plate remote
Spring base and the coal sample tank that is connected on the spring base from the vibrating motor side, the coal sample tank are respectively connected to institute
State transferring device, the desorption instrument and the vacuum pump.
2. a kind of coal body as claimed in claim 1 crushes gas desorption experiment device, it is characterised in that is put in the coal sample tank
It is equipped with several steel balls.
3. a kind of coal body as claimed in claim 1 crushes gas desorption experiment device, it is characterised in that the source of the gas is gas
Bottle.
4. a kind of coal body as claimed in claim 1 crushes gas desorption experiment device, it is characterised in that the transferring device is
Gasing tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721147164.2U CN207366384U (en) | 2017-09-07 | 2017-09-07 | A kind of coal body crushes gas desorption experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721147164.2U CN207366384U (en) | 2017-09-07 | 2017-09-07 | A kind of coal body crushes gas desorption experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207366384U true CN207366384U (en) | 2018-05-15 |
Family
ID=62352043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721147164.2U Expired - Fee Related CN207366384U (en) | 2017-09-07 | 2017-09-07 | A kind of coal body crushes gas desorption experiment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207366384U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342264A (en) * | 2018-12-06 | 2019-02-15 | 燕山大学 | A kind of coal bed gas and shale Gas content desorption measuring device and method |
| CN112595626A (en) * | 2020-11-25 | 2021-04-02 | 王云帅 | Shale gas critical desorption pressure testing device |
| CN113834753A (en) * | 2021-09-18 | 2021-12-24 | 华北科技学院(中国煤矿安全技术培训中心) | Isothermal adsorption-desorption system under coal sample vibration condition |
-
2017
- 2017-09-07 CN CN201721147164.2U patent/CN207366384U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342264A (en) * | 2018-12-06 | 2019-02-15 | 燕山大学 | A kind of coal bed gas and shale Gas content desorption measuring device and method |
| CN112595626A (en) * | 2020-11-25 | 2021-04-02 | 王云帅 | Shale gas critical desorption pressure testing device |
| CN112595626B (en) * | 2020-11-25 | 2022-12-13 | 陕西圣和源实业有限公司 | Shale gas critical desorption pressure testing device |
| CN113834753A (en) * | 2021-09-18 | 2021-12-24 | 华北科技学院(中国煤矿安全技术培训中心) | Isothermal adsorption-desorption system under coal sample vibration condition |
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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: 20180515 Termination date: 20180907 |