相变蓄热式太阳能低温地板辐射采暖系统性能实验  

Performance Experiment on Solar Low-temperature Floor Heating System with Phase Change Energy Storage

作　　者：杜海存[1] 张小兵[1] 于娜[1] 谢鹏[1] 

机构地区：[1]南昌大学机电工程学院热能与动力工程研究所,南昌330031

出　　处：《科学技术与工程》2013年第26期7884-7888,共5页Science Technology and Engineering

摘　　要：设计了一套以CaCl2·6H2O作为蓄热介质的相变蓄热式太阳能低温地板辐射采暖系统,该系统在阳光充足时直接利用太阳能供暖,同时将多余的太阳能储存,用于夜间和阴雨天供暖,使太阳能可作为地板采暖系统的稳定热源;在太阳能较弱的条件下对供水进行预热,配合使用电加热器,从而降低地板采暖系统的能耗。通过对实验供暖房间进行性能测试,结果表明该系统能使室内平均温度保持在18℃左右,并且在没有太阳辐射的情况下也能维持室温12 h。A solar low-temperature floor heating system using CaC12 ·6H2O as the heat storage medium was designed. In sunny days, the system can take advantage of solar energy for heating immediately, and store the redundant solar energy for heating at night or rainy days. So the solar energy can serve as a stable heat source for floor heating. When the sun is faintish, the system can preheat the water delivery and use electrical heater, thus reduce the heating cost. By testing the performance of the experimental heating room, the result shows that the system can keep the indoor mean temperature at 18 ℃. Moreover, this system can maintain the room temperature for 12 hours without solar radiation.

关 键 词：蓄热 地板辐射采暖 太阳能 性能测试 

分 类 号：TU832.51[建筑科学—供热、供燃气、通风及空调工程]