Nov 08, 2021 The rotary kiln is how the fuel can be fully burned, and the heat of fuel combustion can be transferred to the material. After the material receives the heat, a series of physical processes occur. The chemical change later forms the finished clinker. Rotary Kiln LNV TECHNOLOGY. Rotary Kiln Rotary kilns are used to produce materials, such as cement clinker, alumina, magnesia, ceramsite and lime under high temperature. The TPD range from 1000 to 14000 and the Dia vary from 3Mtrs to 6.2 Mtrs. Get Price.