Graphitizing furnace dust cage

The utility model discloses a graphitizing furnace dust cage, for a minute body structure, first components of a whole that can function independently, including the cover body, strengthening rib, sieve and tuber pipe, the tuber pipe is arranged in directly over the cover body, the internal portion of cover is arranged in to the strengthening rib for support the cover body, the sieve is arranged in between per two strengthening ribs, and the overlap joint is on the strengthening rib. Sieve through having the sieve mesh carries out the prefilter to waste gas and dust, through great first tuberpipe of sectional area and the less second tuber pipe of sectional area production negative pressure, reaches the effect of induced drafting, guarantees no matter be that near -end or distal end can both siphon away waste gas to reach good dust collection effect, do benefit to the protection of environment. 本实用新型公开了种石墨化炉集尘罩，为分体结构，第分体，包括罩体、加强筋、筛板和风管，所述风管置于罩体正上方，所述加强筋置于罩体内部，用于支撑罩体，所述筛板置于每两个加强筋之间，且搭接在加强筋上。通过带有筛孔的筛板对废气和灰尘进行初步