摘要
改革开放30a来,我国选煤业经过起步、快速发展和大发展三个阶段,已成为世界第一选煤大国;截止2007年,选煤厂已增至1300座,原煤入选能力达到12.50亿t/a以上,原煤入洗量达到11亿t,原煤入选比例达到43.6%;每年选煤带来的效益为:节约煤炭1.1～1.65亿t,节约运力1188亿t·km,减排SO2约520万t,煤炭企业获得经济效益约300亿元。
30 years since the Reformation and Opening,3 stages involved has Chinese coal preparation industry,viz,the starting,speedy development and great development;being the largest country worldwide in coal preparation;by 2007,up to 1300 coal preparation plant existed with total capacity of 1.25Gt/a,1.1Gt/a raw coal washed,accounting 43.6% of coal produced;benefit brought forth up to:110～165Mt/a coal saved,118.8Gt·km/a of transportation quantity cut down,5.2Mt/a of SO2 emission reduced,economic benefit about 30 G yuan/a attained by coal enterprises.
出处
《煤炭加工与综合利用》
CAS
2009年第1期1-4,共4页
Coal Processing & Comprehensive Utilization
关键词
选煤
发展
改革开放
成就
coal preparation
development
reformation and opening
achievement
