Biological gas production system for filling straws in mine goaf and gas production process thereof
A technology of straw biology and goaf, which is applied in the engineering field of combining biotransformation to achieve the effect of slowing down land subsidence and slowing down surface subsidence
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[0023] Such as figure 1 As shown, a mine goaf filling straw biological gas production system of the present invention includes a hot water inlet well 1 connected to the ground above the mine goaf 17, a return well 2, a temperature monitoring well 3, an external source Bacteria injection and flora monitoring wells 4 and biogas gathering and transportation wells 5 are laid criss-cross on the ground in the goaf 17. Insulation pipelines 6 made of stainless steel or aluminum alloy materials (to reduce corrosion) are laid. Radiating fins are evenly arranged on the top, the distance between the hot water entering well 1 and the thermal power plant 7 is smaller than the distance between the return water well 2 and the thermal power plant 7, and the waste water discharge pipe 8 of the thermal power plant 7 passes through the hot water entering well 1 and extends to the mining area. The empty area 17 is connected with the water inlet of the thermal insulation pipeline 6, and the water o...
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