▎ 摘　　要

(CN214276515-U) NOVELTY - The utility model claims a bidirectional temperature control airtight sintering furnace, comprising: an outer furnace and an inner furnace; the lower part of the outer furnace is provided with a containing space capable of containing an inner furnace; and the inner furnace is sent to the inner part through a lifting device at one side; the outer furnace peripheral wall is a heat-resistant structure; the inner cloth is provided with a heating element and a temperature sensing rod; it can provide heating function and detecting instant temperature to the upper and middle area of the inner part; the inner furnace is provided with a trolley and covered with a sealing cover; the surface of the inner furnace is embedded with a heating element; the surface provides placing of each type of firing object; the lower part of the firing object is directly heated; and the central part is provided with a temperature sensing rod and an external gas supply device composed of an air inlet pipe and an exhaust pipe; to provide various gases input in the sealing cover corresponding to different firing objects; directly heating through the inner furnace at the lower part; providing the indirect heating effect of the upper part and the middle part when the inner temperature is not uniform or insufficient by matching with the outer furnace; the whole sintering furnace reaches the uniform temperature; the heating effect; by this, the quality of the product is improved. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of the bidirectional temperature-controlled gas-tight sintering furnace. Outer furnace (1) Inner furnace (2) Connection electric terminal (12) Accommodating space (14) Lifting device (15) Inner furnace temperature meter (16) External furnace temperature meter (17) Base (21) External gas supply device (22) Sealing cover (23) Cart (24) Disc (211) Heating element (214) Temperature sensing rod (215) Air inlet pipe (221) Exhaust pipe (222) Tar filtering device (223) Pressing plate (231) Bracket (241) Quick dismounting device (242) Power connector (243) Temperature joint (244)