The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 16, 2011
Filed:
Dec. 05, 2006
James N. Mccoy, Houston, TX (US);
Arthur R. Di Nicolantonio, Seabrook, TX (US);
Blair H. Margot, Madinat Yanbu Al-Sinatyah, SA;
Subramanian Annamalai, Houston, TX (US);
Stephen J. Vande Stouwe, Houston, TX (US);
James N. McCoy, Houston, TX (US);
Arthur R. Di Nicolantonio, Seabrook, TX (US);
Blair H. Margot, Madinat Yanbu Al-Sinatyah, SA;
Subramanian Annamalai, Houston, TX (US);
Stephen J. Vande Stouwe, Houston, TX (US);
ExxonMobil Chemical Patents Inc., Houston, TX (US);
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.