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赵总理在政府工作报告中讲:“解决能源问题必须贯彻开发与节约并重的方针”。煤矿是开发能源的企业,同时它又是消耗电能较大的部门,对40个生产煤矿的统计,电费占生产成本的2.8～16.5%。一般矿井,每开采一吨煤需要供给3～6吨空气,也就是说从井下把一吨煤炭提运到地面的同时,还要把3～6吨空气排送到井外,故通风消
In his government work report, Premier Zhao said: “To solve the energy problem, we must implement the principle of equal emphasis on development and conservation.” Coal mine is an enterprise that develops energy. At the same time, it is also a department that consumes more energy. According to the statistics of 40 coal mines, the electricity cost accounts for 2.8-16.5% of the production cost. General mine, each mining a ton of coal needs to supply 3 to 6 tons of air, which means that from the underground to a ton of coal transported to the ground at the same time, but also to 3 to 6 tons of air discharged to the well, so ventilation