Title:
REACTOR VESSELS HAVING LIQUID DRAIN PIPES AND METHODS FOR DRAINING LIQUID FROM REACTOR INTERNALS
Document Type and Number:
WIPO Patent Application WO/2013/015909
Kind Code:
A3
Abstract:
Embodiments of vessels including liquid drain pipes are provided, as are embodiments of methods for draining liquid from reactor internals. In one embodiment, the vessel includes a vessel shell, a tray mounted within the vessel shell and over which liquid accumulates up to a maximum liquid level during vessel operation, and a liquid drain pipe. The liquid drain pipe includes a tubular body attached to the tray and projecting upward therefrom, a vapor inlet formed in the tubular body above the maximum liquid level, a liquid inlet formed in the tubular body between the maximum liquid level and the tray, and a drainage port formed in the tubular body and positioned to direct accumulated liquid above the tray to an area below the tray to permit the drainage of accumulated liquid from over the tray during vessel shutdown.
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Inventors:
XU ZHANPING (US)
CHEN PENGFEI (US)
CHEN PENGFEI (US)
Application Number:
PCT/US2012/043050
Publication Date:
March 21, 2013
Filing Date:
June 19, 2012
Export Citation:
Assignee:
UOP LLC (US)
XU ZHANPING (US)
CHEN PENGFEI (US)
XU ZHANPING (US)
CHEN PENGFEI (US)
International Classes:
B01J4/00; B01J3/02; B01J19/24; B01J19/26
Foreign References:
| US4126540A | 1978-11-21 | |||
| US4159291A | 1979-06-26 | |||
| US4526757A | 1985-07-02 | |||
| US20060163758A1 | 2006-07-27 |
Attorney, Agent or Firm:
WILLIS, Mark, R. (25 East Algonquin RoadP. O. Box 501, Des Plaines IL, US)
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