李粮店煤矿地温特征及其影响因素分析

Geothermal features and influencing factors in Liliangdian Coal Mine

李粮店煤矿位于河南省新密煤田的东南部,探明优质贫煤、无烟煤资源储量3.4亿t,为一大型在建矿井。因该区煤层埋藏较深、地温较高,地热成为影响该区煤炭开采的重要因素之一。通过对测温资料的整理,确定了恒温带、孔底温度、地温梯度和煤层底板温度等重要地温参数,并总结出矿区二1煤层地温变化规律、地温热害分区、地温梯度及地温异常分区、地温梯度变化规律、矿山地温类型等地温地质特征及其影响因素,对于指导矿山建设与资源开发具有重要意义。

Liliangdian Coal Mine is located in the southeast of Xinnfi Coalfield in Henan Province, it has proved 340 million tons of high-quality lean coal and anthracite,it is a large nfine in construction. Because coal seam is buried deeper, earth temperature is higher, so geothermal energy is one of the important factors affecting coal nfining in this area. The temperature parameters of thermostatic belt, hole bottom temperature, ground temperature gradient and floor temperature of coal bed were determined through the arrangement of temperature measurenlent data in this area. The geological characteristics and their influencing factors of the temperature change of coal seam, the land temperature and heat damage zone, the geothermal gradient and the ground temperature anomaly, the change of ground temperature gradient, the type of mine earth temperature were summarized. This is of great significance to guide mine construction and resource development.