WO2013012697A3 - System for enhanced recovery of tangential energy from an axial pump in a loop reactor - Google Patents

System for enhanced recovery of tangential energy from an axial pump in a loop reactor Download PDF

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Publication number
WO2013012697A3
WO2013012697A3 PCT/US2012/046595 US2012046595W WO2013012697A3 WO 2013012697 A3 WO2013012697 A3 WO 2013012697A3 US 2012046595 W US2012046595 W US 2012046595W WO 2013012697 A3 WO2013012697 A3 WO 2013012697A3
Authority
WO
WIPO (PCT)
Prior art keywords
guide vanes
elbow
impeller
section
loop reactor
Prior art date
Application number
PCT/US2012/046595
Other languages
French (fr)
Other versions
WO2013012697A2 (en
Inventor
Dale B. Andrews
Original Assignee
Flowserve Management Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Flowserve Management Company filed Critical Flowserve Management Company
Publication of WO2013012697A2 publication Critical patent/WO2013012697A2/en
Publication of WO2013012697A3 publication Critical patent/WO2013012697A3/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/548—Specially adapted for liquid pumps

Abstract

A loop reactor axial pump system improves conversion of tangential to axial flow of a flowing slurry by attaching a straight impeller section to the inlet of an elbow section. A pump shaft extends rotatably from the elbow through guide vanes located in the impeller section, so that flow from an impeller mounted on the shaft passes through the guide vanes before entering the elbow. When the impeller section is detached, the guide vanes have "see through" access from both ends, thereby allowing the guide vanes to be longer and/or more curved than in the prior art. Guide vanes can be straight or curved, and can have inlet angles approximating the absolute flow angle of the fluid, and/or outlet angles approximating 0 degrees. Additional guide vanes can be included in the elbow. Additional straight pipe sections containing only guide vanes can be included between the impeller section and the elbow.
PCT/US2012/046595 2011-07-15 2012-07-13 System for enhanced recovery of tangential energy from an axial pump in a loop reactor WO2013012697A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161508210P 2011-07-15 2011-07-15
US61/508,210 2011-07-15

Publications (2)

Publication Number Publication Date
WO2013012697A2 WO2013012697A2 (en) 2013-01-24
WO2013012697A3 true WO2013012697A3 (en) 2013-04-04

Family

ID=47519003

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2012/046595 WO2013012697A2 (en) 2011-07-15 2012-07-13 System for enhanced recovery of tangential energy from an axial pump in a loop reactor

Country Status (2)

Country Link
US (1) US20130017081A1 (en)
WO (1) WO2013012697A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2865274T3 (en) 2016-05-03 2021-10-15 Carrier Corp Axial vane fan with intermediate flow control rings

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4305894A (en) * 1978-03-31 1981-12-15 Lindblom Harry G Arrangement in apparatus for mixing gases with and dissolving gases in liquids
US5385447A (en) * 1993-03-26 1995-01-31 Marine Pollution Control Axial flow pump for debris-laden oil
US20100215550A1 (en) * 2002-09-17 2010-08-26 Chevron Phillips Chemical Company Lp Pumping apparatus and process for polymerization in loop reactors
US20110046322A1 (en) * 2009-08-21 2011-02-24 Depierri Robert G Clog-Resistant Pump Assembly For Slurry Loop Reactor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3226205A (en) * 1960-10-03 1965-12-28 Phillips Petroleum Co Reactor impeller with feed inlet along shaft
US3248179A (en) * 1962-02-26 1966-04-26 Phillips Petroleum Co Method and apparatus for the production of solid polymers of olefins
JP2008057416A (en) * 2006-08-31 2008-03-13 Hitachi Ltd Axial flow turbine
US20080190214A1 (en) * 2007-02-08 2008-08-14 Pratt & Whitney Rocketdyne, Inc. Cut-back flow straightener
US8220496B2 (en) * 2009-06-04 2012-07-17 National Oilwell Varco, L.P. Apparatus for reducing turbulence in a fluid stream

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4305894A (en) * 1978-03-31 1981-12-15 Lindblom Harry G Arrangement in apparatus for mixing gases with and dissolving gases in liquids
US5385447A (en) * 1993-03-26 1995-01-31 Marine Pollution Control Axial flow pump for debris-laden oil
US20100215550A1 (en) * 2002-09-17 2010-08-26 Chevron Phillips Chemical Company Lp Pumping apparatus and process for polymerization in loop reactors
US20110046322A1 (en) * 2009-08-21 2011-02-24 Depierri Robert G Clog-Resistant Pump Assembly For Slurry Loop Reactor

Also Published As

Publication number Publication date
WO2013012697A2 (en) 2013-01-24
US20130017081A1 (en) 2013-01-17

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