采用热风冲天炉-工频炉双联熔炼，气压保温浇包浇注。
The iron is melted with cupola- mainfrequency furnace duplex process, and pouring was conducted with pneumatic insulated pouring ladle.
该炉所采用的具体方 案是：（1）把5吨以下的热风冲天炉全部砍掉，对炉体进行改造，重新建造一座大型炉；
The furnace adopts the following scheme that: (1)cutting down all hot air cupola furnaces below 5 tons to transform furnace bodies, and reconstructing a large furnace;
前言：针对冲天炉，冷风炉、热风炉、水冷却炉存在的问题试制出了“KQDL系列冲天炉”。
The KQDL series cupola was trial produced aiming at the problems existing in the cupola, cold blast cupola, hot blast cupola, water cooling cupola.
前言：针对冲天炉，冷风炉、热风炉、水冷却炉存在的问题试制出了“KQDL系列冲天炉”。
The KQDL series cupola was trial produced aiming at the problems existing in the cupola, cold blast cupola, hot blast cupola, water cooling cupola.
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