Patent ID: 6660131
Filing Date: 2003-12-09
Classification: C10B,F16K

Abstract:
A coke drum de-heading system comprising:a coke drum having an opening therein, said coke drum receiving coke therein from a manufacturing system and process; a de-header valve removably coupled to said opening of said coke drum to facilitate removal of coke from said coke drum, said de-header valve comprising: (1) a main body having an orifice dimensioned to align with said opening of said coke drum when the de-header valve is coupled thereto; (2) a live loaded seat assembly coupled to said main body and comprising a dynamic, live loaded seat; at least one live seat adjustment mechanism coupled to said main body and designed to control and adjust the force and resulting seat load of said dynamic, live loaded seat, and a force transfer module in juxtaposition to said dynamic, live loaded seat for transferring the force from said live loaded seat adjustment mechanism to said dynamic, live loaded seat; (3) a static seat assembly comprising a static seat positioned opposite from and designed to counteract or counterbalance said dynamic, live loaded seat; and (4) a sliding blind movable in a manner within said de-header valve and between said dynamic, live loaded seat and said static seat, said blind physically controlled by an actuator and having a force exerted thereon by said dynamic, live loaded seat and said static seat, such that a seal is created between said dynamic, live loaded seat, said blind, and said static seat, said blind capable of repeated and automatic de-heading and re-heading of said coke drum, wherein said movement of said sliding blind serves to open and close said de-header valve, and wherein said movement of said sliding blind from a closed to an open position serves to de-head said coke drum.