Characteristics of present geothermal field and prediction of its thermal damage in Suntuan-Zhaoji exploration area

doi:10.7523/j.issn.2095-6134.2011.6.005

Abstract

Abstract:

Huaibei coalfield is an important base of energy sources in East China. On the basis of analyses of temperature data in Suntuan-Zhaoji exploration area of Huaibei coalfield, thermal damage zones are mapped out in the main mining coal beds in that area. The results indicate that the geothermal gradient values range from 1.7℃/hm to 3.6℃/hm in Suntuan-Zhaoji geothermal exploration area. The average present geothermal gradient value is about 2.68℃/hm in the area. Thermal damage zones in the three main mining coal beds are high in the east part of the area and low in the west part.

Key words: present geo-temperature field, geo-temperature gradient, characteristics, thermal damage, Huaibei coalfield

CLC Number:

P54
P314

LUO Yi, JU Yi-Wen, TAN Jing-Qiang. Characteristics of present geothermal field and prediction of its thermal damage in Suntuan-Zhaoji exploration area[J]. , 2011, 28(6): 734-739.

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