Medium speed coal mill for pulverizing in front of fuming furnace and smelting furnace

A medium-speed coal mill is a type of pulverizer or grinding mill that is used to pulverize or grind coal into a fine powder before it is blown into a fuming furnace or a smelting furnace as part of a metallurgical process. The coal mill is usually located near the furnace, as it minimizes the distance the coal dust needs to be transported, reducing energy losses and dust emissions.

The coal mill consists of a rotating drum or ball mill, which is filled with steel balls or other grinding media. The coal is fed into the mill through a chute or hopper, where it is ground into a fine powder by the rotating media. The ground coal is then blown into the furnace through a pipe or conveyor.

Medium-speed coal mills are commonly used in integrated steel plants, where they are an essential part of the iron-making process. They are also used in other metallurgical processes, such as copper and lead smelting, where they help improve the efficiency and reduce the environmental impact of the smelting process.

The main advantage of using a medium-speed coal mill is that it produces a finely ground coal powder, which increases the surface area of the coal and improves its combustion efficiency in the furnace. This helps to reduce the energy consumption and emissions associated with the smelting process.

However, medium-speed coal mills also have some limitations, such as high maintenance costs, noise and vibration emissions, and potential safety hazards associated with the grinding media and the rotating drum. It is important to properly maintain and operate the coal mill to ensure safety and efficiency.