地热温室蓄热技术  

Heat Storage Technique of Geothermal Greenhouse

作　　者：雷海燕[1] 李惟毅[1] 

机构地区：[1]天津大学机械工程学院

出　　处：《农业机械学报》2005年第9期83-85,共3页Transactions of the Chinese Society for Agricultural Machinery

基　　金：国家"863"高技术研究发展计划资助项目(项目编号:2001AA516050)

摘　　要：地热资源充分利用的关键在于提高地热利用率、提高地热井运行时间和进行地热蓄热调峰。从蓄热设备的选型、耐热防渗型料膜优选以及保温盖的结构与选材方面分别论述了地热温室蓄热技术,给出了蓄热式供热系统模型。以50m3半地下式蓄热池为研究对象,进行了24h不同形状聚苯乙烯保温材料的对比试验。结果表明,聚苯乙烯板保温效果较好,热损失仅为无保温材料覆盖的36%,是首选的保温材料。The keys to making the best of geothermal resource are improving the efficiency of geothermal utilization, increasing the time of geothermal well operating, and regulating the peak load of geothermal heat storage. The heat storage technique of geothermal greenhouse in aspects of selection of heat storage device, heat resistant and waterproof film, structure of heat preservation materials, as well as whole heat storage system were analyzed in this paper. A model for a heat supply system by heat storage was established. The contrast experiments on heat storage efficiencies among different shapes of polystyrenes were conducted for 24 h taking a semi-underground pool with 50 m^3 valume as an example. The results show that the lowest average temperature drop of the geothermal greenhouse is 0.35℃/h and heat loss is 36% with thermal insulation of a polystyrene flat.

关 键 词：地热温室 蓄热 利用率 

分 类 号：S215[农业科学—农业机械化工程]