Method and equipment for pneumatically conveying and filling gangue in coal mine well
A technology of pneumatic conveying and pneumatic conveying pipelines, which is applied to mining equipment, filling materials, underground transportation, etc., can solve the problems of large power consumption and pipeline wear, and achieve the effects of large power consumption, convenient operation and environmental friendliness
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[0019] An embodiment of the present invention will be further described below in conjunction with accompanying drawing:
[0020] In the coal mine gangue pneumatic conveying method of the present invention, firstly, the air compressor 1, the gas storage tank 2, the feeding device 4 and the pneumatic conveying leading to the goaf and the "three-down" coal-pressing filling area must be sequentially arranged and connected underground Pipeline 5; use the air compressor 1 to inflate the gas storage tank 2, stop the inflation after the gas in the gas storage tank 2 reaches the set working pressure; when it is necessary to fill the material, open the control valve of the gas storage tank 2, and the The compressed air in the gas tank 2 leads to the pneumatic conveying pipeline 5 through the high-pressure air pipe 3; after the flow field in the pneumatic conveying pipeline 5 is stable, the feeding device 4 is started, and the material particles are sprayed into the pneumatic conveying pi...
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