The utility model discloses a vacuum carbon pipe integrative stove of sintering that comes unstuck, it includes fix the support frame, the sintering furnace body comes unstuck, the carbon boat, the activity bell, electric heating tube, the vacuum pump, the vacuum tube way, a main controlle, the sintering furnace body that comes unstuck is including coming unstuck the fritting furnace body, the inside shaping furnace body holding chamber of the fritting furnace body that comes unstuck, the fritting furnace body that comes unstuck includes the steel shell, thermal -insulated heat preservation, furnace body holding intracavity inlays adorns the fritting furnace kernel that comes unstuck, the inside shaping of the fritting furnace kernel that the comes unstuck sintering cavity that comes unstuck, the fritting furnace kernel that comes unstuck includes that the carbon goods are outer, carbon felt inside lining, clearance in the middle of the shaping between outer surface of carbon goods and the thermal -insulated heat preservation internal surface, come unstuck the sintering cavity on, down, a left side, internal thread through hole is seted up respectively to the right side wall, each internal thread through hole joins in marriage dress carbon system screw respectively. Through the structure design, the utility model discloses atmosphere in the time of can guaranteeing the sintering effectively in the burner hearth is balanced, promptly the utility model has the advantages of structural design is novel, convenient to use.