Meanwhile, in the combustion chamber topblast door, ensure that set the safe operation of the boiler.
同时，在燃烧室上方设置了防爆门，确保锅炉的安全运行。
2
Through comprehensive analysis and discussion, the process of briquetting-smelting by closed-topblast furnace for copper smelting is selected.
通过综合分析与论证，选择了压团—炼铜密闭鼓风炉熔炼工艺。
3
The ironmaking is the first important process in iron and steel production, and the distributor chute is a major component of non-bell topblast furnace.