冲天炉熔炼几个有关问题的处理

Countermeasures to Deal with Several Problems Related to Cupola Melting

介绍与冲天炉熔炼有关的几个问题的处理方法,包括:(1)如何防止熔化带以上耐火砖容易掉落;(2)如何防止过桥、出铁口易被侵蚀;(3)固定式前炉容量大小的选择;(4)如何保持浇包尺寸;(5)加料口材料选择;(6)要否使用热风炉胆;(7)孕育处理方法与孕育量;(8)灰铸铁的含硫量;(9)风口比。

An introduction was made to measures for dealing with several problems related to cupola melting including： a） measures to prevent bricks above melting zone from dropping; b） measures to prevent tapping hole and the connecting hole to forehearth from easy to be washed; c） volume determination of stationary forehearth; d） measures to keep the ladle volume to be stable; e） choice of material for charging hole; f） is the hot blast necessary？ g） inoculation process and inoculant addition amount; h） about sulphur content of gray irons; i） about tuyere area.