Preface

Nowadays, geothermal heating system is the most comfortable, healthy and increasingly popular heating method in the world. Compared with the traditional heating method, geothermal heating does not need to install radiators or occupy any area and has good decorative effect. Besides, it is very comfortable with warm feet and cool upper body.
         With the rapid development of global economy, energy shortage has become a global concern. China’s geothermal energy development enterprises have successfully registered the first Clean Development Mechanism project in the United Nations. The mechanism can promote China’s development and protect the interests of developing countries. After reducing the emission reduction of developed countries to developing countries, developing countries can also obtain technology and funds the international world to carry out emission reduction project efficiently. In the current environment of economic development and with the support of existing technologies, geothermal energy is abundant within the crust which can supply the needs of social development. There are a lot of geothermal fluid and geothermal energy which is now regarded as renewable energy and clean energy.
       Using geothermal energy to replace conventional energy to heat buildings has become one of the effective ways to improve the atmospheric environment. Geothermal heating station has attracted more and more attention because of its small land occupation, low operation cost, high efficiency of comprehensive utilization of resources, fast recovery of funds and minimal air pollution. Geothermal heating can not only save the coal transportation and land occupation, but also reduce the emission of a large number of harmful substances, avoid air pollution and effectively replace conventional energy. The operation cost of geothermal heating is only one fourth of that of oil-fired boiler. Its economic, social and environmental benefits are very prominent so it is particularly favored.

前 言

地热供暖系统是目前国际上最为舒适、健康并且日益普及的采暖方式。地热供暖与传统的供暖方式比较，不用安装暖气片，不占面积，装饰效果好，而且脚下暖上边凉，感觉非常舒服。
        随着全球经济快速发展，能源紧缺成为全球关注问题。我国地热能源开发企业在联合国成功注册了首个清洁发展机制项目。该机制对于我国发展而言有推动作用，机制保障了发展中国家利益。降低发达国家对发展中国家减排量，发展中国家也可以在国际世界里获得技术和资金， 有效 开展减排项目。 地热能源在当前经济发展大环境中，在现有的技术支撑下，地壳内有丰富的能源，这些能源可以供给社会发展需求。有大量的地热流体以及地热能，这是一种可再生的能源，也是洁净能源。
       地热替代常规能源对建筑物进行供暖、供热，已成为改善大气环境的有效途径之一。由于地热供热站占地面积小、运行费用低、资源综合利用收效大、资金回收快，而且对大气污染极小，受到越来越多人们的注意。地热采暖、供热不仅可节省煤炭的运输、占地，还可减少大量有害物质的排放，避免大气污染，能有效替代常规能源。地热采暖的运行成本仅相当于烧油锅炉的四分之一，其经济、社会、环境效益十分明显，因而受到特别的青睐。