浅层地能热泵采集系统关键科技问题与对策

The scientific and technical problems and solutions on shallow ground-source heat pump system

摘要: 本文阐述了浅层地能的概念、利用原理及其研究目的和意义,重点分析了地能热泵采集系统现存的关键科技问题,包括地能热泵采集系统回灌问题、埋地管与机组耦合作用机制、主要参数对热泵换热效果的影响等.针对地能热泵采集系统的特点和关键问题提出了一些有价值的解决对策与合理建议,对提高浅层地能热泵行业的科技水平、促进浅层地能热泵行业健康发展具有一定意义.

Abstract: This paper discusses the concept and principle of shallow ground-source heat pump system（SGHPS）and studies the purpose and significance of its development.We analyze the key scientific and technical problems on SGHPS,including pump injection problem,the temperature field of ground heat exchanger system under variable working condition,the influence of main parameters on the heat transfer effect.We also put forward some valuable solutions and rational suggestions to improve the level of science and technology according to the characteristics of SGHPS,which would promote the development of the shallow ground to heat pump industry.