安阳枫林水郡小区水源热泵热源井的设计与施工

Design and Construction of Heat Source Well with Water Source Heat Pump in a Residential District of Anyang

地下水源热泵系统应用中最突出的问题是回灌效率低、地下水资源浪费。分析认为造成回灌效率低的主要原因之一是热源井设计和施工工艺不合理。为此,在安阳枫林水郡小区热源井设计和施工中分别采用了增大桥式过滤管的数量、桥高、滤料粒径和填砾厚度等措施,回灌量明显增加,实现了1抽1回的目标。既解决了回灌效率低、资源浪费的问题,又大幅降低了工程投资和运行成本。

The most prominent problems in application of groundwater source heat pump system are the low efficiency of recharge and groundwater resources waste. It was found in the heat source well with water source heat pump construction in a residential district of Anyang and the recharge tests, one of primary causes of low recharge efficiency was the unreasonable design and construction technology for heat source well. By increasing the number of bridge strainer, the height, particle size of filter media and gravel-fill thickness, single-well recharge increased significantly and 1 ： 1 effect of pumping and recharging was realized. In this case, low efficiency of recharge and groundwater resources waste are overcome and the project investment and operating costs are significantly reduced.