Cleaning and liquid contact with solids – Apparatus – For work having hollows or passages
Reexamination Certificate
2011-08-16
2011-08-16
Stinson, Frankie L (Department: 1711)
Cleaning and liquid contact with solids
Apparatus
For work having hollows or passages
C134S16900A
Reexamination Certificate
active
07998281
ABSTRACT:
An apparatus for on-line cleaning and maintaining the cleanliness of a transfer line exchanger tube is provided. In one embodiment, the apparatus includes a housing having a first end, a second end and a longitudinal axis, the housing further including a first inlet for introducing a flushing fluid to the transfer line exchanger tube, the first inlet disposed proximate the first end of the housing, a second inlet for providing a product effluent comprising hydrocarbons and an outlet for placing in fluid communication with an inlet of the transfer line exchanger tube and a critical flow nozzle or flow control orifice, the critical flow nozzle or flow control orifice in fluid communication with the first inlet of the housing. Systems and processes for cleaning and maintaining the cleanliness of a transfer line exchanger are also disclosed.
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Annamalai Subramanian
Di Nicolantonio Arthur R.
Margot Blair H.
McCoy James N.
Vande Stouwe Stephen J.
ExxonMobil Chemical Patents Inc.
Stinson Frankie L
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