An experimental simulation device and method for coupling disasters caused by gas drainage and coal spontaneous combustion
A technology of gas drainage and experimental simulation, which is applied in the direction of chemical analysis by means of combustion, can solve the problems of gas pressure, coal quality, single stress state, large difference in occurrence state, and high chance probability, etc., to achieve convenient sampling test , saving materials and construction time, high scientific and precise effect
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[0030] The present invention will be further described below in conjunction with the accompanying drawings.
[0031] like figure 1 , the gas extraction and coal spontaneous combustion coupling disaster simulation device, including a pressure-resistant heat insulation sealed tank 1, a gas pumping and gas injection device and a monitoring and monitoring device; the gas pumping and gas injection device includes a vacuum pump 11 and a constant pressure gas injection device, The constant pressure gas injection device includes a gas injection bottle 2 with a pressure gauge, a first gas switch valve 3-1, a pressure reducing valve 4, a first explosion-proof gas cleaning box 5-1, a gas drying box 6, and a constant temperature heating box. 7. The first pressure-stabilizing valve 8-1, the first pressure gauge 9-1, the first flow meter 10-1 and the second gas switching valve 3-2; the monitoring and monitoring device includes a plurality of temperature sensors 21, temperature analysis Ins...
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