论文部分内容阅读
能源问题是当前世界各国十分关注的问题。第十一届能源会议指出:“如果不作出重大努力利用各种能源的活,人类在20年内将面临能源大短缺。”因此,世界各国都在加速探索新的能源。从现实出发,当前首先考虑的当属煤炭能源。因为煤炭的储量很丰富,目前已探明全球有可采煤6369亿吨,可供世界250年之需。我国煤炭储最居世界第三位(989亿吨),仅次于美国(1776亿吨)、前苏联(1099亿吨)。煤炭是由大量丰富的物质集
The issue of energy is a matter of great concern to all countries in the world today. Eleventh Energy Conference pointed out: “Without major efforts to use all kinds of energy, humankind will face a serious shortage of energy in 20 years.” Therefore, all countries in the world are accelerating the exploration of new energy sources. Starting from reality, the current consideration of coal currently belongs to coal energy. Because of the rich reserves of coal, it has been proven that there are 636.9 billion tons of coal that can be exploited globally for 250 years in the world. China ranks third in the world in coal reserves (98.9 billion tons), second only to the United States (176.6 billion tons) and the former Soviet Union (109.9 billion tons). Coal is made up of a large number of rich substances