河南省主要煤田煤炭资源清洁利用潜势

为了系统分析河南省各煤田煤中灰分和主要有害元素分布特征,评价煤炭资源清洁利用潜势,通过系统收集12个煤田的煤质资料,并均匀采样作化验分析,获得各煤田煤中灰分和10种有害元素的平均含量,利用广义对比加权标度指数法计算出煤炭资源洁净潜势综合指数I值,评价煤炭资源清洁利用潜势,得出河南省煤炭资源清洁质量从西向东依次为不洁净-较不洁净-较洁净煤这一逐渐变好的趋势,影响煤炭资源洁净潜势评价的主要因子为灰分和硒元素。最后,统计了12个煤田各清洁等级的煤炭资源量:较洁净煤235亿t、较不洁净煤30亿t、不洁净煤5亿t,并探讨其利用方式。研究成果对河南省煤炭资源的清洁、高效利用具有指导意义。

The potential of clean utilization of coal resources in main coalfields of Henan Province

In order to systematically analyze the distribution characteristics of the main harmful elements in coal in different coalfields of Henan Province and assess the potential of clean utilization of coal resources, through systematic collection of coal quality data of 12 coalfields and uniform sampling for test, the average content of 11 harmful elements in each coalfield was obtained. The weighted scale index method of generalized contrast was used to calculate the comprehensive index I of the clean potential of coal resources and assess the clean utilization potential of coal resources. The conclusion that the clean quality of coal resources in Henan Province shows the trend of gradual improvement, i.e., the coal is unclean-less clean-cleaner, The main factors affecting the clean potential assessment of coal resources are ash and selenium. Finally, the statistics of the coal resources of each clean grade in 12 coalfields were counted:cleaner coal resources are 23.5 billion tons, less clean coal resources 3 billion tons, unclean coal resources 500 million tons. The utilization direction was investigated. The research results have guiding significance for the clean and efficient utilization of coal resources in Henan Province.