双级压缩空气源热泵蓄热除霜系统及其双螺旋盘管蓄热器蓄热特性的仿真模拟研究  

Simulation Study on Thermal Storage Defrosting System of Two-stage Compressed Air Source Heat Pump and Its Double Helical Coil Regenerator

作　　者：汪翰林 张宝怀[1] Wang Hanlin

机构地区：[1]东南大学能源与环境学院,江苏南京210096

出　　处：《工业控制计算机》2020年第12期11-12,15,共3页Industrial Control Computer

摘　　要：采用双级压缩的循环方式是解决空气源热泵在寒冷及严寒地区适用性问题的方法。针对双级压缩空气源热泵在寒冷及严寒地区供热运行模式下的结霜/除霜问题,提出一种新的蓄热除霜的解决方法,并设计出结合蓄热器的双级压缩空气源热泵系统,对该系统的蓄热器蓄热特性进行了初步的仿真模拟,结果表面,该蓄热器具有良好的蓄热能力,在蓄热开始后27.5min,共蓄热5149.27kJ,水箱平均温升约为35℃。The use of a two-stage compression cycle is a way to solve the problem of the applicability of air source heat pumps in cold and severe cold regions.Aiming at the frosting/defrosting problem of the two-stage compressed air source heat pump in the heating operation mode of cold and severe cold areas,this paper proposes a new heat storage and defrosting solution,and designs a two-stage compression combined with a heat accumulator air source heat pump system,the system's heat accumulator heat storage characteristics have been simulated and the results show that the heat accumulator has good heat storage capacity,27.5 minutes after the start of heat storage,a total of 5149.27kJ of heat storage,The average temperature rise of the water tank is about 35°C.

关 键 词：空气源热泵 双级压缩循环 蓄热除霜 

分 类 号：TU83[建筑科学—供热、供燃气、通风及空调工程]