府谷矿区马家梁–房子坪地区4号煤层煤质特征分析

Coal Quality Characteristics of Seam No. 4 in Majialiang-Fangziping Area, Fugu Mining Area

摘要: 在收集研究区最新勘查资料的基础上，对4号煤层的煤质特征进行研究，结果表明：4号煤呈黑色–褐黑色，以半亮煤型和半暗淡煤型为主，为中煤级煤第II阶段；原煤总体属低灰–中灰煤；原煤总体属特低硫煤，硫分具东部略高于西部的基本特征。

Abstract: On the basis of collecting the latest exploration data of the study area, the authors made the re-search of the coal quality characteristics of seam No. 4 at medium depth. The results show that the seam No. 4 is black-brown-black, semibright and semidim coal type, at the II phase of the medium rank coal. The No. 4 generally belongs to low ash-middle ash coal. The seam No. 4 belongs to extra low sulfur coal, with the characteristic of the East being slightly higher than the West.