Steps and key points of installation and adjustment of double-bell type top charging equipment in middle and small blast furnaces are introduced.
主要叙述双料钟式中小高炉炉顶装料设备安装调试的方法、步骤及要领。
Feeding mechanism: bucket hoisting and manual double bell jar feeding mechanism is adopted which is easy to operate and can prevent gas leakage efficiently.
加煤机构：采用斗提卷扬机构，手动双钟罩加煤装置，操作简便、能有效防止煤气泄漏。
Feeding mechanism: bucket hoisting and manual double bell jar feeding mechanism is adopted, which is easy to operate and can prevent gas leakage efficiently.
加煤机构：采用斗提卷扬机构，手动双钟罩加煤装置，操作简便、能有效防止煤气泄漏。
The trap is commonly used for floats, thermal-power, free-float, double-metal-style, pulse, and so on-bell-shaped float.
常用的疏水阀有浮桶式、热动力式、自由浮球式、双金属片式、脉冲式、钟形浮子式等。
The trap is commonly used for floats, thermal-power, free-float, double-metal-style, pulse, and so on-bell-shaped float.
常用的疏水阀有浮桶式、热动力式、自由浮球式、双金属片式、脉冲式、钟形浮子式等。
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