本文是1982年4月永荣矿务局在全国选煤技术经济会议上的发言材料。他们从煤炭洗选加工入手,因地制宜地建立了选煤——发电——建材生产等一系列的煤炭综合加工利用的生产线,变废为宝,初步取得了多种经营的经济效益,走出一条发展煤炭工业的新路子。他们的经验可供有关单位借鉴。 This article is April 1982 Yongrong Mining Bureau in the National Coal Technology Economic Conference speech. Starting with coal washing and processing, they set up a series of comprehensive coal processing and utilization lines for coal preparation, power generation and building material production in accordance with local conditions, turning waste into treasure and initially obtained the economic benefits of diversified operations and stepping out of a development The new path of the coal industry. Their experience can be used for reference by the relevant agencies.