Double-furnace core rod sintering device with stable temperature field and stable flow field

The utility model discloses a double-furnace core rod sintering device with a stable temperature field and a stable flow field, which comprises a sintering furnace, a dehydration furnace, an air inletwaste discharge treatment device and a muffle pipe arranged inside the sintering furnace and the dehydration furnace in a penetrating manner, an inter-furnace heat preservation piece and a temperature balance area are arranged between the sintering furnace and the dehydration furnace, and a sintering area and a dehydration area are arranged inside the muffle pipe. A muffle pipe cover plate is arranged at the top of the muffle pipe, the inlet air waste discharge treatment device comprises an exhaust hood, an exhaust pipe and a waste gas treatment device, a fresh air branch with a fresh air valve, a pressure gauge and a main air valve are arranged on the exhaust pipe, and a traction device is arranged on the exhaust hood cover plate and the muffle pipe cover plate in a penetrating mode. A loose body product is inst