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近年来,煤炭工业系统为了正确执行国家的能源政策,在采用当地的劣质燃料作为火电厂的燃料方面做了许多工作,兴建了一批煤矸石坑口电站。继永荣、高坑、滴道三处煤矸石电厂投产后,在取得较好的经验和的经济效益的基础上,越来越多的煤矸石发电厂将陆续兴建投产。煤矸石电厂燃料的主要来源是洗煤厂的洗矸,其所含热值一般控制在1400～2000大卡/公斤。以滴道煤矸石电厂为例,每度电标煤耗为1087克,生产一度电要产生2.45～3.5公斤灰渣,煤矸石电厂每天排出的灰渣数量是相当可观的,对这些灰渣进行合理利用和正确处理有着重大意义。煤矸石电厂灰渣粒度<8毫米,一般往矸石山或灰渣场排放,排放费用约为1～
In recent years, the coal industry system has done a lot of work on using local inferior fuel as the fuel of thermal power plants in order to correctly implement the national energy policy, and built a number of coal gangue pithead power stations. Following the Yongrong, high pit, trickle three coal gangue power plant put into operation, in obtaining better experience and economic benefits, based on the more and more coal gangue power plant will gradually put into operation. Coal gangue power plant fuel is the main source of coal washing plant waste rock, the heat value is generally controlled at 1400 to 2000 kcal / kg. To drop channel coal gangue power plant, for example, the standard coal consumption per kilowatt is 1087 grams, the production of electricity to produce 2.45 to 3.5 kilograms of ash, coal gangue power plant discharge of ash a day the number is considerable, reasonable for these ash The use and proper handling are of great importance. Gangue power plant ash particle size <8 mm, the general discharge to the waste dump or ash yard, the emission cost of about 1 ~