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Coke drum bottom throttling valve and system

  • US 7,399,384 B2
  • Filed: 02/13/2006
  • Issued: 07/15/2008
  • Est. Priority Date: 09/05/2002
  • Status: Expired due to Fees
First Claim
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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.

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