Abstract:

This paper describes a series of new innovations as energy-saving & environmental protection cases in coking plant of Ningbo Iron & Steel Co.,Ltd.,such as VVVF technology,energy-saving type coke oven lid,thermal insulation layer in oven door,CDQ process,utilization of COG condensate at final cooler,large indoor-type circular coal/coke yard,coal water distillation by tubular furnace,salt extraction from desulfurizing liquid and high-performance microbe for waste water treatment,etc.,which have been successfully used in the plant.