Systems and methods for deheading a coke drum
First Claim
Patent Images
1. A coke drum de-header system comprising:
- a shroud;
a gate; and
at least one seat, wherein a seal is formed between the gate and seat.
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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.
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Citations
49 Claims
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1. A coke drum de-header system comprising:
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a shroud;
a gate; and
at least one seat, wherein a seal is formed between the gate and seat. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method of deheading a coke drum comprising:
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using a shroud to selectively surround a gate; and
causing a seal between at least one seat and a gate. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A coke drum de-header system comprising:
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a coke drum having at least one port therein;
a de-header valve removably coupled to said port of said coke drum comprising;
a gate; and
at least one seat, wherein a seal is formed between the gate and seat;
a main body having an orifice dimensioned to align with said port of said coke drum, wherein the main body prevents the escape of steam and encloses the gate assembly during the entire deheading process. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49)
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Specification