batch furnace

…up and down in so-called batch furnaces. Most mass-produced traditional ceramics, on the other hand, are fired in tunnel kilns. These consist of continuous conveyor belt or railcar operations, with the ware traversing the kiln and gradually being heated from room temperature, through a hot zone, and back down to…

Sometimes two batch-type furnaces are also used for heating odd-sized or extra-heavy slabs and ingots. Before rolling, high-pressure water jets descale the slabs. Most plate mills are four-high mills, as shown in C in the figure, and are supplemented by vertical edge rolls. The work rolls and…