1. According to the type of material calcined, kilns can be classified as: ceramic kilns, cement kilns, glass kilns, enamel kilns, lime kilns, etc.
2. According to the operation method, kilns can be classified as: continuous kilns (tunnel kilns), semi-continuous kilns, and intermittent kilns.
3. According to the heat source, kilns can be classified as: flame kilns and electric kilns.
4. According to the orientation of the heat source towards the billet, kilns can be classified as: open flame kilns, indirect flame kilns, and semi-indirect flame kilns.
5. According to the billet transport method, kilns can be classified as: kilns with kiln cars, pusher kilns, roller hearth kilns (roller kilns), conveyor belt kilns, walking beam kilns, and air cushion kilns, etc.
6. According to the number of channels, kilns can be classified as: single-channel kilns, double-channel kilns, and multi-channel kilns.
