Designing calculation of furnacestack and nozzle is studied.
同时介绍煤气炉炉体和煤气喷嘴的设计计算。
2
The problems in buiding blast furnacestack has been analysed. Th plan of multiple-head spiral masonry hasBeen raised.
分析了目前高炉炉身砌砖存在的问题，提出了多头螺旋，无错台砌筑方案。
3
Alkali metals are one of the important causes that leads to poor permeability of charge column, irregular furnace operation, frequent hanging and scaffolding in the stack.