CO_2空气源热泵供暖系统设计与测试  

Design and Test of an CO_2 Air Source Heat Pump Heating System

作　　者：秦海杰 秦妍[2] QinHaijie;Qin Yan(Dalian Minzu University;Dalian University of Technology)

机构地区：[1]大连民族大学 [2]大连理工大学

出　　处：《区域供热》2018年第5期77-82,共6页District Heating

基　　金：中央高校基本科研业务费;编号wd01137

摘　　要：介绍了寒冷地区一新建厂房的供热工程实例。项目采用CO_2低温空气源变频热泵作为热源设备,闭式循环热水箱,吊顶式空调机组外接柔性布质风管实施工位送风供热。通过机组排气旁通进行融霜,以解决蒸发器除霜问题,并基于CO_2空气源热泵机组实际运行状态、送风温度及风速的监测数据,分析了该供暖系统的实际运行情况,为CO_2热泵热水系统在寒冷地区供热工程的应用提供了有效参考。A heating project for a new factory building in a cold area is introduced.The project adopts CO2 air source heat pump as heat source equipment.Closed circulating hot water tankand ceiling type air conditioning unitswith external flexible cloth duct are used for air supply and heating.The defrosting problem of the evaporator is solved by the exhaust bypass of the compressor.Based on the actual operating status,supply air temperature and the wind speed monitoring data,the actual operation of the heating system is analyzed andit provides an effective reference for the application of heat pump heating projects in cold regions.

关 键 词：CO2空气源热泵 热气融霜 送风温度 风速 

分 类 号：TU83[建筑科学—供热、供燃气、通风及空调工程]