CN203949905U - The gas adsorption of coal and pyrophorisity temperature programme integrated experimental device - Google Patents
The gas adsorption of coal and pyrophorisity temperature programme integrated experimental device Download PDFInfo
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- CN203949905U CN203949905U CN201420368842.8U CN201420368842U CN203949905U CN 203949905 U CN203949905 U CN 203949905U CN 201420368842 U CN201420368842 U CN 201420368842U CN 203949905 U CN203949905 U CN 203949905U
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Abstract
The utility model relates to a kind of gas adsorption and pyrophorisity temperature programme integrated experimental device of coal, by degas system, gas charging system, pressure monitor system, spontaneous combustion temperature programme system, chromatographic analysis systems forms, the utility model can be realized same coal sample and after different gas pressure adsorption equilibriums, carry out spontaneous combustion temperature programme experiment, the equalized pressure gathering according to adsorption test computer-chronograph, use Langmuir mono molecule layer adsorption quantitatively to determine the gas adsorption amount under a certain adsorption equilibrium pressure, and utilize gas chromatograph to carry out gas composition analysis, experiment purpose is in order to research and analyse coal gas bearing capacity, coal sample ignition quality to be affected, make up the natural process intensification experiment that traditional instrument can only carry out respectively the experiment of coal sample adsorption gas and coal sample, realize the correlation analysis between coal gas bearing capacity and coal spontaneous combustion characteristic.The utility model structure is succinct, and experimentation is easy, can in current experiment, use.
Description
Technical field
The utility model relates to disaster field, colliery, and concrete is a kind of gas adsorption and pyrophorisity temperature programme integrated experimental device of coal.
Background technology
Gas and coal spontaneous combustion are conflicts, and goaf air leaking is more serious, and the probability of spontaneous combustion of coal is just large, and reducing ventilation can reduce and leak out to a certain extent, but ventilation reduces to cause the rising of gas density; On the other hand, the excessive extraction of gas also can cause spontaneous combustion in goaf, therefore for reaching the dual control of gas and coal spontaneous combustion disaster, find out the equilibrium point between the factor such as ventilation and gas pumping intensity, ensure downhole safety High-efficient Production, in view of gas and and coal spontaneous combustion characteristic between relevance, for probing into the affect rule of gas bearing capacity on coal spontaneous combustion characteristic, be necessary to work out and a set ofly can realize the experimental provision that coal adsorption gas and spontaneous combustion heat up simultaneously.
Summary of the invention
The purpose of this utility model is to provide a kind of gas adsorption and pyrophorisity temperature programme integrated experimental device of coal.
Technical solution of the present utility model is as follows: 1, the gas adsorption of coal and a pyrophorisity temperature programme integrated experimental device, comprise degas system, gas charging system, pressure monitor system, spontaneous combustion temperature programme system, chromatographic analysis systems, degas system is by valve (17, 18), vacuum meter (19), vacuum pump (20) forms, and gas charging system is by tensimeter (5), methane tank (6), valve (13), reduction valve (16) forms, and pressure monitor system is by pressure transducer (14), data collecting instrument (15) forms, and spontaneous combustion temperature programme system is by can pressure-bearing coal sample tank A, B (1), copper mesh (2), constant temperature oven (3), temperature measuring gauge (4), pneumatic plant (8) forms, and chromatographic analysis systems is by gas chromatograph (7) and valve (12) formation, and in constant temperature oven (3), being provided with can pressure-bearing coal sample tank A, B (1), can pressure-bearing coal sample tank A, in B (1), be provided with copper mesh (2), can pressure-bearing coal sample tank A, B (1) is provided with temperature measuring gauge (4), can pressure-bearing coal sample tank A, B (1) respectively with methane tank (6), vacuum pump (20), pneumatic plant (8), gas chromatograph (7) connects, and methane tank (6) is provided with reduction valve (16), tensimeter (5), and by valve (13) with can be connected by pressure-bearing coal sample tank A (1), vacuum pump (20) is provided with vacuum meter (19), and by valve (17,18) with can pressure-bearing coal sample tank A, B (1) be connected, pneumatic plant (8) and can be provided with flowmeter (10,11), valve (9) between pressure-bearing coal sample tank A, B (1), gas chromatograph (7) connects by valve (12) can pressure-bearing coal sample tank A, B (1), can pressure-bearing coal sample tank A, B (1) by pressure transducer (14) connection data Acquisition Instrument (15).
Thickness that can pressure-bearing coal sample tank A, B (1) is 5mm-10mm, and copper mesh aperture is 120-150 order.
The utility model can be realized same coal sample and after different gas pressure adsorption equilibriums, carry out spontaneous combustion temperature programme experiment, the equalized pressure gathering according to adsorption test computer-chronograph, use Langmuir mono molecule layer adsorption quantitatively to determine the gas adsorption amount under a certain adsorption equilibrium pressure, and utilize gas chromatograph to carry out gas composition analysis, experiment purpose is in order to research and analyse coal gas bearing capacity, coal sample ignition quality to be affected, make up the natural process intensification experiment that traditional instrument can only carry out respectively the experiment of coal sample adsorption gas and coal sample, realize the correlation analysis between coal gas bearing capacity and coal spontaneous combustion characteristic.The utility model structure is succinct, and experimentation is easy, can in current experiment, use.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
The gas adsorption of coal and a pyrophorisity temperature programme integrated experimental device, comprise degas system, gas charging system, pressure monitor system, spontaneous combustion temperature programme system, chromatographic analysis systems, degas system is by valve 17, 18, vacuum meter 19, vacuum pump 20 forms, and gas charging system is by tensimeter 5, methane tank 6, valve 13, reduction valve 16 forms, and pressure monitor system is by pressure transducer 14, data collecting instrument 15 forms, and spontaneous combustion temperature programme system is by can pressure-bearing coal sample tank A, B1, copper mesh 2, constant temperature oven 3, temperature measuring gauge 4, pneumatic plant 8 forms, and chromatographic analysis systems is made up of gas chromatograph 7 and valve 12, and in constant temperature oven 3, being provided with can pressure-bearing coal sample tank A, B1, can pressure-bearing coal sample tank A, in B1, be provided with copper mesh 2, can pressure-bearing coal sample tank A, B1 is provided with temperature measuring gauge 4, can pressure-bearing coal sample tank A, B1 respectively with methane tank 6, vacuum pump 20, pneumatic plant 8, gas chromatograph 7 connects, and methane tank 6 is provided with reduction valve 16, tensimeter 5, and by valve 13 with can be connected by pressure-bearing coal sample tank A1, vacuum pump 20 is provided with vacuum meter 19, and by valve 17,18 with can pressure-bearing coal sample tank A, B1 be connected, pneumatic plant 8 and can pressure-bearing coal sample tank A, B1 between be provided with flowmeter 10,11, valve 9, gas chromatograph 7 connects by valve 12 can pressure-bearing coal sample tank A, B1, can pressure-bearing coal sample tank A, B1 by pressure transducer 14 connection data Acquisition Instruments 15.
Thickness that can pressure-bearing coal sample tank A, B1 is 5mm-10mm, and leakproofness is good, free from flaw, and copper mesh aperture is 120-150 order.
While experiment, the coal sample of the required particle diameter of experiment is packed in A, two coal sample tanks 1 of B; Check after impermeability, valve-off 12,13, Open valve 17, uses vacuum pump 20 to carry out A tank coal sample degassed, is no less than 6 hours to coal sample is degassed, and the pressure that vacuum meter 19 shows should be lower than 4Pa, ensures that the survival gas of coal sample inside is discharged completely; Valve-off 9,12,17, Open valve 13, to the methane gas that is filled with certain pressure in A coal sample tank 1, sensor 14 can Real-Time Monitoring coal sample tank 1 internal gas pressure, treat that coal sample reaches adsorption equilibrium, the equalized pressure value that computer-automatic collection system shows, and valve-off 13, for ensureing the security of spontaneous combustion temperature programme experiment, remove methane tank 6 simultaneously; Coal sample tank A, B1 are carried out to pyrophorisity temperature programme experiment, open valve 9,12, valve-off 13, in coal sample tank A, B1, be constantly pressed into fresh air by pneumatic plant 8, constant temperature oven 3 is controlled the temperature of coal sample tank A, B1, by gas chromatograph 7, the gas of A, B two tanks is carried out to Analysis On Gaseous Constituents, because coal sample tank A is different from the gas bearing capacity of the coal sample of coal sample tank B, therefore coal sample tank A, B form contrast experiment.The utility model can be realized same coal sample and after different gas pressure adsorption equilibriums, directly carry out spontaneous combustion temperature programme experiment, the equalized pressure gathering according to adsorption test computer-chronograph, use Langmuir mono molecule layer adsorption quantitatively to determine the gas adsorption amount under a certain adsorption equilibrium pressure, and utilize gas chromatograph to carry out gas composition analysis, experiment purpose is in order to research and analyse coal gas bearing capacity, coal sample natural characteristic to be affected, experimental apparatus has made up traditional instrument and can only carry out respectively the natural process intensification experiment of the experiment of coal sample adsorption gas and coal sample, realize the correlation analysis between coal gas bearing capacity and coal spontaneous combustion characteristic.
Claims (2)
1. the gas adsorption of coal and a pyrophorisity temperature programme integrated experimental device, comprise degas system, gas charging system, pressure monitor system, spontaneous combustion temperature programme system, chromatographic analysis systems, is characterized in that: degas system is by valve (17, 18), vacuum meter (19), vacuum pump (20) forms, and gas charging system is by tensimeter (5), methane tank (6), valve (13), reduction valve (16) forms, and pressure monitor system is by pressure transducer (14), data collecting instrument (15) forms, and spontaneous combustion temperature programme system is by can pressure-bearing coal sample tank A, B (1), copper mesh (2), constant temperature oven (3), temperature measuring gauge (4), pneumatic plant (8) forms, and chromatographic analysis systems is by gas chromatograph (7) and valve (12) formation, and in constant temperature oven (3), being provided with can pressure-bearing coal sample tank A, B (1), can pressure-bearing coal sample tank A, in B (1), be provided with copper mesh (2), can pressure-bearing coal sample tank A, B (1) is provided with temperature measuring gauge (4), can pressure-bearing coal sample tank A, B (1) respectively with methane tank (6), vacuum pump (20), pneumatic plant (8), gas chromatograph (7) connects, and methane tank (6) is provided with reduction valve (16), tensimeter (5), and by valve (13) with can be connected by pressure-bearing coal sample tank A (1), vacuum pump (20) is provided with vacuum meter (19), and by valve (17,18) with can pressure-bearing coal sample tank A, B (1) be connected, pneumatic plant (8) and can be provided with flowmeter (10,11), valve (9) between pressure-bearing coal sample tank A, B (1), gas chromatograph (7) connects by valve (12) can pressure-bearing coal sample tank A, B (1), can pressure-bearing coal sample tank A, B (1) by pressure transducer (14) connection data Acquisition Instrument (15).
2. the gas adsorption of a kind of coal as claimed in claim 1 and pyrophorisity temperature programme integrated experimental device, is characterized in that: thickness that can pressure-bearing coal sample tank A, B (1) is 5mm-10mm, and copper mesh aperture is 120-150 order.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420368842.8U CN203949905U (en) | 2014-07-04 | 2014-07-04 | The gas adsorption of coal and pyrophorisity temperature programme integrated experimental device |
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| CN201420368842.8U CN203949905U (en) | 2014-07-04 | 2014-07-04 | The gas adsorption of coal and pyrophorisity temperature programme integrated experimental device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849300A (en) * | 2015-05-30 | 2015-08-19 | 西安科技大学 | Experiment table for researching influences of coal body gas content to coal spontaneous combustion characteristics and application method of experiment table |
| CN105758763A (en) * | 2016-02-29 | 2016-07-13 | 辽宁工程技术大学 | Multifunctional coal adsorption/desorption gas parameter determination testing device and method |
| CN105806890A (en) * | 2016-03-26 | 2016-07-27 | 河南理工大学 | Coal spontaneous combustion characteristic parameter measuring device based on load pressurizing mode |
| CN107102600A (en) * | 2017-06-05 | 2017-08-29 | 天华化工机械及自动化研究设计院有限公司苏州研究所 | Industrial chromatograph malleation inflates explosion-proof interlock |
| WO2018054046A1 (en) * | 2016-09-22 | 2018-03-29 | 安徽理工大学 | Testing apparatus for indicator gases of spontaneous combustion of coal, and testing method of testing apparatus |
| CN108844995A (en) * | 2018-05-02 | 2018-11-20 | 辽宁工程技术大学 | A kind of coal spontaneous combustion adiabatic oxygenation experimental bench |
| CN110749683A (en) * | 2019-11-04 | 2020-02-04 | 中国矿业大学 | Device and method for testing spontaneous combustion characteristics of gas-containing loaded coal |
| CN112945803A (en) * | 2021-02-04 | 2021-06-11 | 中国矿业大学 | Device and method for measuring diffusion speed of externally-applied pulse reinforced gas under coal matrix |
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2014
- 2014-07-04 CN CN201420368842.8U patent/CN203949905U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849300A (en) * | 2015-05-30 | 2015-08-19 | 西安科技大学 | Experiment table for researching influences of coal body gas content to coal spontaneous combustion characteristics and application method of experiment table |
| CN104849300B (en) * | 2015-05-30 | 2019-01-15 | 西安科技大学 | Coal gas content influences research experiment platform and its application method to coal spontaneous combustion characteristic |
| CN105758763A (en) * | 2016-02-29 | 2016-07-13 | 辽宁工程技术大学 | Multifunctional coal adsorption/desorption gas parameter determination testing device and method |
| CN105806890A (en) * | 2016-03-26 | 2016-07-27 | 河南理工大学 | Coal spontaneous combustion characteristic parameter measuring device based on load pressurizing mode |
| CN105806890B (en) * | 2016-03-26 | 2018-05-04 | 河南理工大学 | Characteristic Parameters of Coal Spontaneous Combustion measurement device based on load pressuring method |
| WO2018054046A1 (en) * | 2016-09-22 | 2018-03-29 | 安徽理工大学 | Testing apparatus for indicator gases of spontaneous combustion of coal, and testing method of testing apparatus |
| CN107102600A (en) * | 2017-06-05 | 2017-08-29 | 天华化工机械及自动化研究设计院有限公司苏州研究所 | Industrial chromatograph malleation inflates explosion-proof interlock |
| CN108844995A (en) * | 2018-05-02 | 2018-11-20 | 辽宁工程技术大学 | A kind of coal spontaneous combustion adiabatic oxygenation experimental bench |
| CN110749683A (en) * | 2019-11-04 | 2020-02-04 | 中国矿业大学 | Device and method for testing spontaneous combustion characteristics of gas-containing loaded coal |
| CN112945803A (en) * | 2021-02-04 | 2021-06-11 | 中国矿业大学 | Device and method for measuring diffusion speed of externally-applied pulse reinforced gas under coal matrix |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20160704 |
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| CF01 | Termination of patent right due to non-payment of annual fee |