Distillation: apparatus – Apparatus – Elements
Reexamination Certificate
2008-07-01
2008-07-01
Bhat, N. (Department: 1797)
Distillation: apparatus
Apparatus
Elements
C196S135000, C196S155000, C208S131000
Reexamination Certificate
active
07393435
ABSTRACT:
Described is an injection charging system in delayed coking drums (11), comprised of at least two injection pipes (11a) connected to the sidewall of a coking drum (1) in its tricone portion, and fed by a circular distributor crown, in order to allow coupling or decoupling of the large lower flange (11e) of the coking drum (1) without needing to disconnect the injection system (11) from the pumping and heating system (10).
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patent: 4634500 (1987-01-01), Elliott et al.
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patent: 6193848 (2001-02-01), Shockley et al.
patent: 7115190 (2006-10-01), Lah
patent: 2007/0108036 (2007-05-01), Siskin et al.
patent: 0 353 023 (1990-01-01), None
patent: 1 236 787 (2002-09-01), None
Bhat N.
Nixon & Vanderhye PC
Petroleo Brasiliero S.A.
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