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近年来随着煤炭产量的逐年增加,铁路运输日趋紧张,煤炭在部分地区出现积压。为此,必须加快发展煤炭就地转化,将煤炭转化为高效、优质的能源和原料。煤炭就地转化,可显著提高热能利用率,缓和铁路运输的紧张状况,减轻城市的污染,提高经济效益。国外已有几个大型煤炭就地转化的联合企业。如东德在矿区附近建立了年处理褐煤3000万吨的“黑水泵厂”,生产煤气、焦炭、电力产品。西德在鲁尔矿区建立了与煤矿联营的炼焦、钢铁、化工、电力等联合企业,形成了欧洲重要的工业中心。南非萨索尔厂,长期以褐煤气化生产液体燃料和化工产品。苏联计划90年代后
In recent years, with the annual increase in coal production, rail transport is increasingly tense, coal backlog in some areas. To this end, we must accelerate the development of local coal conversion, the conversion of coal into efficient, high-quality energy and raw materials. Coal in situ conversion, can significantly improve the utilization of thermal energy, ease the tension of railway transport, reduce urban pollution, improve economic efficiency. There are several foreign large-scale coal in-situ conversion of joint ventures. For example, East Germany established a “black water pump plant” that processes 30 million tons of lignite in the vicinity of the mining area to produce gas, coke and electricity products. West Germany established a joint venture with coal mine coking, steel, chemical, power and other joint ventures in the Ruhr mining area, forming an important industrial center in Europe. Sasol, South Africa plant, long-term lignite gasification production of liquid fuels and chemical products. Soviet plan after 90s