Petroleum coking process and apparatus
First Claim
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1. A process for producing a petroleum coke product from a drum feed material comprising the steps of:
- (a) delivering said drum feed material into a coking drum, said coking drum having a rotatable coke breaking structure therein which extends downwardly in said coking drum and includes at least one coke impacting structure which extends outwardly toward an upwardly extending interior wall of said coking drum, wherein said drum feed material comprises a liquid which fills said coking drum in step (a) to a level above said coke impacting structure, but below an upper end of said coking drum, and wherein said liquid forms into a solid petroleum coke product mass which fills said coking drum to a level above said coke impacting structure such that said coke impacting structure is positioned within said solid petroleum coke product mass;
(b) delivering a quenching fluid into said coking drum to quench said solid petroleum coke product mass; and
(c) rotating said coke impacting structure of said rotatable coke breaking structure in said coking drum within said solid petroleum coke product mass to break up said solid petroleum coke product mass to form a broken petroleum coke product which will empty out of a lower end of said coking drum.
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Abstract
A process and apparatus for producing solid petroleum coke. The solid petroleum coke product is formed in a coking drum which has a rotatable coke breaking structure installed therein. Quench water or other quench fluid is delivered into the coking drum to quench the coke product and the coke breaking structure is rotated to break up the coke product such that the coke will empty out of the lower end of the coking drum.
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Citations
26 Claims
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1. A process for producing a petroleum coke product from a drum feed material comprising the steps of:
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(a) delivering said drum feed material into a coking drum, said coking drum having a rotatable coke breaking structure therein which extends downwardly in said coking drum and includes at least one coke impacting structure which extends outwardly toward an upwardly extending interior wall of said coking drum, wherein said drum feed material comprises a liquid which fills said coking drum in step (a) to a level above said coke impacting structure, but below an upper end of said coking drum, and wherein said liquid forms into a solid petroleum coke product mass which fills said coking drum to a level above said coke impacting structure such that said coke impacting structure is positioned within said solid petroleum coke product mass; (b) delivering a quenching fluid into said coking drum to quench said solid petroleum coke product mass; and (c) rotating said coke impacting structure of said rotatable coke breaking structure in said coking drum within said solid petroleum coke product mass to break up said solid petroleum coke product mass to form a broken petroleum coke product which will empty out of a lower end of said coking drum. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. An apparatus for producing a petroleum coke product comprising:
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A delayed coking drum having a bottom inlet for a drum feed material comprising a liquid which will form into a solid petroleum coke product mass in said delayed coking drum, said delayed coking drum having a liquid fill level below an upper end of said delayed coking drum to which said delayed coking drum will be filled with said liquid; a rotatable coke breaking structure which is installed in said delayed coking drum in a manner such that said rotatable coke breaking structure will remain in said delayed coking drum during repeated fill and decoking cycles for said delayed coking drum, said rotatable coke breaking structure including a drive shaft having an upper end portion which extends out of said upper end of said delayed coking drum and said rotatable coke breaking structure further comprising a plurality of coke impacting structures which extend outwardly from said drive shaft toward an upwardly extending interior wall of said delayed coking drum; and a motor which is operably linked to said upper end portion of said drive shaft for rotating said rotatable coke breaking structure within said delayed coking drum, wherein said coke impacting structures of said rotatable coke breaking structure are installed in fixed vertical position in said delayed coking drum below said liquid fill level and said coke impacting structures do not extend all of the way to, and do no contact, said upwardly extending interior wall of said delayed coking drum. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26)
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Specification