Full Automatic Hamburger Bread Processing Machine Production Line

Full Automatic Hamburger Bread Processing Machine Production Line There are 2 diferent kinds of tunnel oven hot sells: Indirect heated convection oven The burner heats the combustion chamber and the heat exchanger,then the air which will be blown into the bake chamber is heated through the heat exchanger. The combustion gas will not enter into the bake chamber and contact the products. Direct fired oven Direct fired oven,use the burner tubing heating principle ,effective to