The Research of Anti-Frost Technology of Rural Water Purification Construction in Severe Cold Regions - Taking the Example of Water Supply Plant of Wanfang of Zhaoyuan in Daqing

The anti-frost heave technology of combined operation of water purification thermal insulation system and fire pit heating system , Which is suitable for the severe cold area, has been put forward in this article.Through practical investigation, numerical calculation and simulation analysis, it is proved that this technology has feasibility and availability in rural places of sever cold area.