Patent ID: 6071467
Filing Date: 2000-06-06
Classification: B22D,C21C,F27D

Abstract:
A system for collecting fumes emitted during a cleanout operation of a metallurgical vessel having a first open end providing access to the interior of the vessel, and a second closed end defining at least one blocked port in need of cleaning, said system comprising:a primary hood adapted to engage said open end of said vessel,a secondary hood for placement proximate to said second end of said vessel and said port defined in said second end;a primary hood cart upon which is disposed said primary hood, wherein said cart facilitates movement of said hood;a transport assembly affixed to a stationary base, said transport assembly including (i) a motor, (ii) a drive unit coupled to and powered by said motor, and (iii) a cable or chain assembly retractable by operation of said motor and said drive unit, wherein said cable or chain assembly is selectively engageable to at least one of said primary hood and said primary hood cart; andat least one air handling assembly in communication with said primary hood and said secondary hood, wherein upon operation of said air handling assembly, said fumes emitted during said cleanout operation of said vessel are collected by said primary hood and said secondary hood.