60t钢包的传热分析.pdf

22 4 Vol. 22. No. 4 16 2001 8 SPECIAL STEEL August 2001 60 t 李 晶 傅 杰 周德光 张志成 黄成钢 ( , 100083) ( ) , , 60 t 500 900 , 50 , 20 min , 35 min An Analysis on Thermal Conducting of a 60t Ladle Li Jing, Fu Jie and Zhou Deguang Zhang Zhicheng and Huang Chenggang ( Uni ersity of Science and Technology, Beijing 100083) ( Daye Special Steel Corp Ltd) Abstract Based on the temperature distribution of ladle lining before pouring and thermal model calculating, it is ob tained that with preheat temperature of 500 and 900 for a 60t ladle at Daye Special Steel, the difference in temperature decreasing of liquid steel of both ladle is 50 , the temperature of liquid steel decreases rapidly in 20 min, and the heat of lining is saturated at about 35 min. Material Index Ladle, Thermal Conducting, Analysis [ 1,2] 5 60 t 60 , [ 3, 4] , 13 ; [ 5~ 7] 2 5 min 60 t 1. 2 1 , 1. 1 , 1 3 60 t 2 60 t Fig. 1 Variety of wall temperature of three 60t ladles Fig. 2 Wall temperature s time for a 60 ladle 4 : 60 t 17 1 Table 1 Surface temperature for a 60t ladle measuring in situ 1 2 1 2 72 87 72 72 72 1 60 t , 13 2 2. 1 3 , , 800 ~ 1 000 , , 600~ 900