干熄焦技术在莱钢的应用

Application of CDQ Technique in Laigang

干熄焦是利用惰性气体（主要为氮气）将红焦冷却降温的一种熄焦方法,是国家鼓励发展的绿色经济和循环经济新技术项目,其特点是回收红焦显热、节约一次能源,明显改善焦炭质量,减少环境污染。

CDQ, a kind of coke queuching method in which inert gases （ mainly nitrogenous gas） are used to make red-hot coke cool and drop in temperature and also a new-tech project of green economy and circulal economy encouraged to develop in our country is characterized by recovery of red-hot coke sen sible heal, saving primary euergy resources, evidently improving coke quality and reducing environmental pollutiou.