The oven is made of thin steel sheets, fiberglass is inserted between the working chamber and outer plate of the oven as thermal insulation, there is a seal ring embedded in the door.
烘箱由薄钢板构成，工作室与箱体外壳间以玻璃纤维作保温材料、门面镶有密封圈。
2
The invention discloses a return air gasification furnace with a ring fire oven, relating to a civilian use furnace.