【化】 炉后

multihearth roaster【炉窑】;multiple hearth roaster【炉窑】;multiple hearth roasting furnace【炉窑】

Herry furnace (for calcium carbide)

multiple-hearth furnace

baking furnace【炉窑】;roaster【炉窑】;roasting furnace【炉窑】

rotary chute (revolving chute) blast furnace

blast furnace slag cement【建】;portland blast-furnace cement【建】

combustion furnace

open-hearth furnace