Patent Products

In 1989, Professor Sun Shijie initiated “Hydropower Units Circulating Cooling Technology” (Patent No. 89213362.7)

Hydropower units circulating cooling technology was successfully used in Laqing Hydropower Station.

In 2002, “Hydropower Sation Multichannel Parallel Circulating Water Supply Device” (Patent No. ZL01256818.X), which was successfully used in the reconstruction project of Nanyahe Hydropower Station

In 2003, “Hydropower Station Circulating Cooling Water Supply Heat Exchanger” (Patent No. ZL02222450.5), which was successfully used in Bapanxia Hydropower Station

In 2008, “Hydropower Units Energy-efficient Circulating Cooling Device” Patent No. 200620034645.8), which was successfully used in Luogu Hydropower Station

In 2011, “Double Circulation Phase Change Cooling System” (Patent No. 201120080751.0)

In 2012, “a High-effective Heat Transfer Tail Water Cooling Device in Hydropower Station)” (Patent No. ZL201220199107.X)

In 2013, “Phase Change Heating System of Hydropower House in Cold Area” (Patent No. ZL201220657347.X）)