浅析结霜对空气源热泵性能的影响
Influence of Frosting on Performance of Air Source Heat Pumps
孙云龙 1李晋文 2刘向伟 1李栓柱1
作者信息
- 1. 中船双瑞(洛阳)特种装备股份有限公司,河南 洛阳 471000
- 2. 太原市热力集团有限责任公司,山西 太原 030000
- 折叠
摘要
根据空气源热泵供暖实际工程运行数据分析了结霜对空气源热泵性能的影响.结果表明:空气源热泵用于供暖可提高能源利用效率;同时,结霜引起机组制热量衰减是空气源热泵运行期间无法避免的问题,正常结霜过程中制热量衰减率为10%～23%,而在非正常结霜过程中导致翅片换热器结冰的情况下制热量有较大的衰减,衰减率高达 45%,这将造成能源利用效率降低,需要消耗更多电能弥补空气源热泵制热量的衰减.
Abstract
According to the actual engineering operation data of air source heat pump,the influence of frosting on the performance of air source heat pump was analyzed.The results show that air source heat pump for heating can improve energy utilization efficiency;at the same time,frost caused by the unit heat production attenuation is an unavoidable problem during the operation of air source heat pump,the normal frost process heat production attenuation rate is 10%-23%,and the heating capacity has a greater attenuation when the tube-fin heat exchanger is frozen during the abnormal defrosting process,the attenuation rate of which is as high as 45%.This will lead to inefficient use of energy,requiring the consumption of more electricity to make up for the attenuation of heat generated by air source heat pump.
关键词
空气源热泵/结霜/除霜/能源利用Key words
air source heat pump/frosting/defrosting/utilization of energy引用本文复制引用
出版年
2024
NETL
NSTL
万方数据