This series cast machineryis mainly used for drying new sand. The features of this product are:its main fuel material is:coke, blind coal or cooled coal gas,easy to get. This series product has several advantages such as: firm structure,reliable work,good effect over drying,etc. Combustion furnace has two types: combusting gas or coke.There are three ways to put fuel in: middle,right and left. But no matter how you put fuel in,the angle between the direction of fuel in and blasting is always 90 degree, convenient for consumer' choice.