IMPROVED VESSEL CLOSURES AND METHODS THERFOR

摘要

Configurations and methods are provided in which a bottom head is coupled to a coke vessel via a conveyor and an elevator such that the elevator moves the bottom head vertically relative to the coke vessel, and the conveyor moves the bottom head along a curved path. Contemplated configurations are especially advantageous where a coke vessel deheading device has a hinged or swing-away head and wherein the head and the vessel have a close-fit diametrical tolerance fit.