国产成人精品三级网站在线观看_精品一区二区欧美日韩_成在线人A片免费观看视频_国产日韩欧美在线操_人妻专区无码一区二区_国产成人精品白浆免费视频_y欧美一级 片内射_日本三线片视频大片网站_一本色道无码道DⅴD在线观看_免费超级乱婬视频播放性

Alternate Text

Back

Replacing traditional energy to help the city's blue sky

Date:2018-02-07

       "Ice heating", cheap, clean and zero emission

       This winter,  Wei County in Hebei Province has become the country's first cityl use of clean and renewable energy in  winter heating. The combination of sewage source heat pump system, surface water source heat pump system and cold water phase change energy heat pump system is adopted to meet the heating demand of five million square meters.

       The "miracle" of Hebei can be copied to the whole country


       The total investment of the Wei County project is 350 million yuan, the heating capacity is 5 million square meters, the construction of the energy station is 7, and the heat supply pipe network is laid 60 kilometers. Among them, the heating area of No. four enenrgy station has reached 1 million 400 thousand square meters, which has become the biggest model of renewable clean energy heating in China.

Alternate Text

Back