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1煤炭分选技术的现状煤炭是地球上迄今为止蕴藏最丰富的矿物资源，是世界一次能源生产与消费中重要的组成部分。我国是世界煤炭生产大国，煤炭在一次能源消费结构中占75％左右。而且，我国煤炭消费结构与发达国家有较大差别，如美国有87％、英国有763％、德国有63．5％、加拿大
1 Status of Coal Sorting Technology Coal is the most abundant mineral resource in the world so far and an important part of the world’s primary energy production and consumption. China is the world’s largest coal producer and coal accounts for about 75% of the primary energy consumption structure. Moreover, China’s coal consumption structure and developed countries are quite different, such as the United States 87%, Britain 763%, Germany 63.5%, Canada