Ecosystem in coal mining industry is studied based on the theory of industrial ecology. The cause of pollution by coal industry and its' key links have been analyzed. The key links of coal industry ecosystem include coal, mine water, gangue, coal-bed gas, underground heat. According to the principles of perfect system of ecosystem,flowing of energy reasonably and minimum emission,the ecological chain in coal industry ecosystem is constructed. The ecosystem was put in practice in Pingdingshan Coal Mine and had obtained good economic and social benefits. It has a certain reference value and guiding significance to carry out low carbon and recycle research in coal industry in China.%运用工业生态学分析了煤矿业生态系统,对煤矿业造成污染的原因和主要环节进行分析,将煤炭生产与矿井水、煤矸石、煤层气、地下热能作为煤矿业生态系统的重要环节进行分析,根据生态系统结构完善、能量合理流动、系统废弃物排放最少化等原则构建了煤矿业生态链,并在平顶山煤矿进行了实施,取得了一定的经济效益和社会效益.
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