... been widely used in metallurgical machinery industry a variety of Pusher-type furnace, reheating furnace, heat treatment furnace, ... , ladle / tundish toasters, soaking furnace, radiant tube burners, hood-type furnace, blast furnace hot blast stove; building materials ... all kinds of glass furnace; petrochemical industry, a variety of tube-type furnace, cracking furnace and other industrial furnaces. 1 ...