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新汶矿务局协庄煤矿利用煤矸石发电,经济、环境双双受益。两年多来,上缴利税320多万元,实现利润150多万元。 协庄煤矿年产煤炭200多万吨,生产过程中产生的大量煤矸石,过去一直未被开发利用,废弃堆积,占用大量农田;又由于煤矸石中含少量煤和硫,容易自燃,污染大气环境。1995年9月,该矿建成一座装机容
Xinwen Mining Bureau Xiezhuang Coal Mine use of coal gangue power generation, both economic and environmental benefits. Over the past two years, profits and taxes turned over more than 320 million yuan and a profit of more than 1.5 million yuan. Xiezhuang Coal Mine produces more than 2 million tons of coal per year. A large amount of coal gangue produced in the process of production has not been exploited in the past, abandoned and piled up, occupying a large amount of farmland. Since coal gangue contains a small amount of coal and sulfur, it is easily spontaneous combustion and pollutes the atmosphere surroundings. In September 1995, the mine built an installed capacity