官寨井田9号煤层煤质特征分析与评价

Guanzhai Minefield No.9 Coal Seam Coal Quality Characteristic Analysis and Assessment

官寨井田位于贵州省黔西县西南部,已查明井田内9号煤层矿产资源量6 405万t,潜在矿产资源量1 278万t;9号煤为中—细条带状结构,似金属光泽,参差状断口,内、外生裂隙较发育,属中等可磨煤;宏观煤岩类型为半暗—半亮型,显微煤岩类型为微镜惰煤;煤质为中高灰分、特低挥发份、中高固定碳、中高硫、特低磷、中热值、高稳定性的三号无烟煤,可作动力煤和民用燃煤使用。

The Guanzhai minefield is situated at southwestern Qianxi County, Guizhou Province, its No.9 coal seam possesses identified coal resources 64.05 million tons, potential coal resources 12.78 million tons. Coal in No.9 coal seam is thin banded structured, quasi-metallic luster, splintery fracture, endogenous and exogenous fractures developed moderate grindability coal. Macrolithotypes of coal are semidull to semibright coals, microlithotype of coal is vitrinertite. Coal quality belongs to medium to high ash, extra-low volatile matter, medium to high fixed carbon and sulfur, extra-low phosphorus, medium calorific value, high stability No.3 anthracite, can be in use for power-station coal and domestic coal.