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开滦煤矿自1974年开始,引进西德综机九套,1977年以后引进波兰综机设备四套,国产机组一套共14套,分别在唐山、林西、范各庄三个矿井试用,总值14,170.711万元。1979年又引进16套,价值42,030.72万元。前后共引进30套,总价值56,201.43万元,占开滦煤矿全部固定资产总值的50％。 一、当前使用综采设备存在的问题 1 机械设备倒装效率低 以开滦范各庄综机1275工作面为例,1977年10月开始安装,1977年12月投产,
Since 1974, Kailuan Coal Mine has introduced nine sets of West German integrated machines. After 1977, it introduced four sets of integrated machines in Poland and a set of 14 sets of domestic units. They were piloted in three mines in Tangshan, Linxi and Fangezhuang respectively, The total value of 147,170,100 yuan. In 1979, another 16 sets were introduced, worth 420,070,200 yuan. Before and after the introduction of a total of 30 sets, with a total value of 56,2014300 yuan, accounting for all of Kailuan Coal Mine 50% of the total fixed assets. First, the current problems with the use of fully mechanized mining equipment 1 Low efficiency flip-down machinery and equipment to Kailuan Fangezhuang 1275 face, for example, started installation in October 1977, put into operation in December 1977,