Patent ID: 6565714
Filing Date: 2003-05-20
Classification: C10B,F16K

Abstract:
A coke drum de-heading system comprising:a coke drum having a flanged orifice; a de-header valve removably coupled to said flanged orifice of said coke drum and comprising: a live loaded seat assembly having at least one dynamic, live loaded seat and a corresponding live loaded seat adjustment mechanism to control the exertable force of said dynamic, live loaded seat; a static seat aligned in opposition to said dynamic, live loaded seat; and a blind actuated by an actuator, said blind capable of moving in a bi-directional manner within said de-header valve between said dynamic, live loaded seat and said static seat to control the opening and closing of said de-header valve and to shear said coke from said blind when said blind is caked with coke, said blind receiving said force exerted by said dynamic, live loaded seat.