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 technical processing of designing and producing the cast iron recuperator for hot blast cupola is available.
根据熔化原理，提供设计制造铸铁热风炉胆的工艺过程和利用导程刮板的造型方法。
The technical processing of designing and producing the cast iron recuperator for hot blast cupola is available.
根据熔化原理，提供设计制造铸铁热风炉胆的工艺过程和利用导程刮板的造型方法。
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