Coke drum bottom throttling valve and system
First Claim
Patent Images
1. A system for preventing the escape of steam from a coke de-heading device comprising:
- a deheading device comprising;
a main body removable attached to a coke drum;
a blind seal coupled to the main body;
a blind which slidably engages the blind seal; and
a shroud, removably attached to the main body, surrounding the blind and the blind seal.
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Abstract
A coke drum bottom de-heading system having an internal shroud enclosure and a shroud end cap opened by a flange to a coke bottom de-heading valve capable of accepting the end of a gate valve upon actuation. Acting in coordination with the shroud enclosure to prevent the escape of steam is a gate seal assembly having a gate seal slidably engaged against the sliding gate to prevent the passage of steam thereby.
93 Citations
12 Claims
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1. A system for preventing the escape of steam from a coke de-heading device comprising:
a deheading device comprising; a main body removable attached to a coke drum; a blind seal coupled to the main body; a blind which slidably engages the blind seal; and a shroud, removably attached to the main body, surrounding the blind and the blind seal. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. In a coke drum deheading system, a method of preventing the escape of steam from a coke-deheading device comprising:
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coupling a main body of a coke deheading system to a coke drum, wherein said coke deheading system comprises the main body, a blind, a blind seal and a shroud; coupling said seal to said main body; surrounding a gate valve of a coke deheading system with a shroud; and
slideably engaging a blind against a blind seal assembly. - View Dependent Claims (9, 10, 11, 12)
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Specification