浅层地热能水源井工程问题与技术研究

Research on Problems and Technology of Water Source Well in Shallow Geothermal Energy Development

浅层地热能具有储量大、分布广、埋深浅、易开发等特点,是可再生新能源。在传统能源资源紧张和环境恶化形势下,大力开发利用浅层地热能对全球低碳经济和节能减排具有重要的意义。水源热泵以能量利用率高、成本低、维修方便的优势占据重要地位,其中水源井是其关键,水源井的工程质量将直接影响着系统运行、回灌和使用寿命。通过大量的调查,分析研究了目前水源井工程存在的突出问题,并在试验和实际经验基础上提出了合理的水源井工程技术。

Shallow geothermal energy is a kind of renewable energy;it has the characteristics of large reserves,wide distribution,shallow buried depth and easy development.In the situation of traditional energy resources shortage and environment pollution deterioration,development and utilization of shallow geothermal energy has important significance for global low carbon economy,energy saving and emission reduction.Groundwater source heat pump occupies an important position because of its high utilization rate,low cost,easy repairing;and the water well is the key in the system,the project quality directly affects the system running,re-injection and service life.By a large amount of survey,the outstanding problems of water well in the construction are analyzed,and based on the tests and practical experience,reasonable water well construction technologies are put forward.