The study and practice on geothermal heating in Xiong County Geothermal Field, Hebei Province, PR China

The Xiong County Geothermal Field was explored to use in 1972. In May, 1985, this field was named as Chinese National Demonstration Field on Low and Moderate Temperature Geothermal Comprehensive Development and Utilization. Since then, the field has been under development and utilized entirely. In order to further research and inquire into the problems of geothermal utilization, to make better use of geothermal resources, the research project on ''the Study and Application of Geothermal Heating Technology in Xiong County'' was carried out from 1991-1995. The project was finished and appraised in the end of 1995. This paper, on the basis of the research and practice, has systematically described the theory and practice on Xiong County geothermal heating, and put forward problems which should be solved in the future.