CLOSURE DEVICE FOR THE DISCHARGE OPENING OF AN AUTOCLAVE

摘要

: In an autoclave which can be charged with bulk material and has at its bottom a discharge opening to be closed by means of a cover , the cover can be opened inward. For preventing that the bulk material obstructs the opening movement of the cover , a closure device is provided to shut off the cross-section of the autoclave, said closure device being opened only after the cover closing the discharge opening has started its opening movement. The preceding closure device comprises downwardly swivellable plates