Introduction is made to the method for heating gas flow and pressure adjustment,heating temperature variation and PROven operation for ascension pipe during long time heating pause for 7.63 m coke oven.The procedure of coke oven heating restore is also introduced.The heat preservation after heating pause lasts for 15 hours till smooth transition between production and modification,which provides experience for coke oven heat preservation during long time heating pause.

"> 7.63 m coke oven, Heat preservation during shutdown, Waste flue gas pause,  , Longitudinal temperature