根据在河南禹县—荥巩煤田贫煤和无烟煤带存在气孔和镶嵌结构这一事实,对南部平顶山煤田的肥煤进行了高温高压实验。从1.5Kbar压力,不同温度下恒温一周后的产物特征得出:煤中的气孔形成于250—350℃;镶嵌结构形成于350—500℃;随着温度增高,煤的各向异性指数略有增高;并且,与天然状态下的煤相比,其具有气孔及镶嵌结构煤的反射率值要低得多。 According to the fact that stomatal and inlaid structures exist in the lean and anthracite zones of Yu County-Gonggong Coalfield in Henan Province, the high-temperature and high-pressure experiments were conducted on the fat coal in Pingdingshan coalfield in southern China. From the 1.5Kbar pressure, temperature characteristics after a week at different temperatures: the pores in coal formed at 250-350 ℃; mosaic structure formed at 350-500 ℃; with the increase of temperature, coal anisotropy index slightly Increase; and, compared with the natural state of coal, its porosity and mosaic structure of the reflectivity of coal is much lower.