This paper introduces a method of taking the first truly seawater heating source pump system to solve the problems of high thermal conductivity and frequently on - and - off going in operation process by frequent irrigation projects 本工程实例是青岛市第一个真正意义上的海水源热泵系统,工程中采用频繁冲洗的方法解决热泵机组对水质的要求较高,调试、运行过程中频繁停机的问题以及采用黄夹克保温的方法解决乙二醇溶液热传导系数较高,热量损失的问题。