Detachable secondary incinerator

A detachable secondary incinerator, comprising:

• a furnace body and a base, wherein the furnace body and the base are detachably connected, the base is provided with a fence, first ventilation ports are formed in the fence, the base is further provided with a first ventilation chamber located on an inner side of the fence;
• and second ventilation ports and third ventilation ports are respectively formed in a side wall and a top surface of the first ventilation chamber;
• and
• the furnace body comprises a limiting plate, when the furnace body is spliced with the base, the limiting plate is inserted between the fence and a side wall of the first ventilation chamber, a bottom end of the limiting plate is suspended, the limiting plate partially covers the first ventilation ports or is separated from the first ventilation ports or forms a gap with the fence, and the limiting plate partially covers the second ventilation ports or is separated from the second ventilation ports or forms a gap with the side wall of the first ventilation chamber;
• wherein the furnace body comprises a limiting surface, and when the furnace body is spliced with the base, the limiting surface abuts against a top end of the fence.