Factory Offer Energy Saving with High Cpacity of 0.9-14.1 t/h Cement Rotary Kiln Small Rotary Kiln

Specifications

Rotary Kiln

A Rotary kiln is a pyroprocessing device used to raise materials to a high temperature (calcination) in a continuous process.

Materials produced using rotary kilns include:

Cement, Lime, Refractories, Metakaolin, Titanium dioxide, Alumina, Vermiculite, Iron ore pellets etc.

They are also used for roasting a wide variety of sulfide ores prior to metal extraction.

Main Components of Rotary Kiln

1. the shell
2. the refractory lining
3. support tyres and rollers
4. drive gear
5. internal heat exchangers

The fuel for this may be gas, oil or pulverized coal.

Roatry Kiln Principle of Operation

The rotary kiln is a cylindrical vessel, inclined slightly to the horizontal, which is rotated slowly about its axis.

1. The material to be processed is fed into the upper end of the cylinder. As the kiln rotates, material gradually moves down towards the lower end, and may undergo a certain amount of stirring and mixing.

2. Hot gases pass along the kiln, sometimes in the same direction as the process material (co-current), but usually in the opposite direction (counter-current). The hot gases may be generated in an external furnace, or may be generated by a flame inside the kiln. Such a flame is projected from a burner-pipe (or "firing pipe") which acts like a large bunsen burner.

Main Technical Parameters of Rotary Kiln