Pan conveyor is a conveying device which using a chain that in cyclical operation as traction member and chain plate as carrier member. Apron conveyor has been widely used in metallurgy, coal, chemical, electric power, machinery manufacturing and other industrial sectors of the national economy. It can transport a variety of bulk materials and packed articles in a horizontal or inclined direction; it can also be used to transport parts in a production line. Since its load-bearing part and running part are made of metal material, it can transport heavy, coarse-grained, abrasive materials or parts compared to other continuous transport machines, and can transport 600 -700°C high temperature materials or parts