WO2012171851A3 - Mixer stage - Google Patents

Mixer stage Download PDF

Info

Publication number
WO2012171851A3
WO2012171851A3 PCT/EP2012/060877 EP2012060877W WO2012171851A3 WO 2012171851 A3 WO2012171851 A3 WO 2012171851A3 EP 2012060877 W EP2012060877 W EP 2012060877W WO 2012171851 A3 WO2012171851 A3 WO 2012171851A3
Authority
WO
WIPO (PCT)
Prior art keywords
inputs
mixer stage
common centre
converging
radial
Prior art date
Application number
PCT/EP2012/060877
Other languages
French (fr)
Other versions
WO2012171851A2 (en
Inventor
Alex Michael SMITH
Original Assignee
Siemens Vai Metals Technologies Ltd.
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 Siemens Vai Metals Technologies Ltd. filed Critical Siemens Vai Metals Technologies Ltd.
Publication of WO2012171851A2 publication Critical patent/WO2012171851A2/en
Publication of WO2012171851A3 publication Critical patent/WO2012171851A3/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B9/00—Stoves for heating the blast in blast furnaces
    • C21B9/16—Cooling or drying the hot-blast
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/10—Mixing gases with gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/10—Mixing by creating a vortex flow, e.g. by tangential introduction of flow components

Abstract

A hot blast main mixer stage comprises a section of hot blast main (2) and a plurality of cold blast inputs (12, 13, 14) to the section. The inputs are spaced about a circumference of the main (2) in an asymmetric arrangement at least one of the inputs (14) is radial, converging at a common centre and at least one of the inputs (12, 13) is non-radial, converging, not at the common centre, or diverging from the common centre.
PCT/EP2012/060877 2011-06-16 2012-06-08 Mixer stage WO2012171851A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1110121.9A GB2491873A (en) 2011-06-16 2011-06-16 A hot blast main mixer stage with an asymmetric input arrangement
GB1110121.9 2011-06-16

Publications (2)

Publication Number Publication Date
WO2012171851A2 WO2012171851A2 (en) 2012-12-20
WO2012171851A3 true WO2012171851A3 (en) 2013-02-07

Family

ID=44357844

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/060877 WO2012171851A2 (en) 2011-06-16 2012-06-08 Mixer stage

Country Status (2)

Country Link
GB (1) GB2491873A (en)
WO (1) WO2012171851A2 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2206971A1 (en) * 1972-11-20 1974-06-14 Hoogovens Ijmuiden Bv
US4150817A (en) * 1978-02-06 1979-04-24 Zimmermann & Jansen, Inc. Mixing chamber
EP0119642A1 (en) * 1983-02-17 1984-09-26 Hoogovens Groep B.V. Arrangement for mixing a gas into a main flow of a second gas
JPS60106908A (en) * 1983-11-15 1985-06-12 Ishikawajima Harima Heavy Ind Co Ltd Method for supplying hot air to hot stove
JP2006022381A (en) * 2004-07-08 2006-01-26 Kobe Steel Ltd Method for operating hot stove, and hot stove
CN201386111Y (en) * 2009-02-24 2010-01-20 首钢总公司 Pipeline blast temperature adjusting mixed air structure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2206971A1 (en) * 1972-11-20 1974-06-14 Hoogovens Ijmuiden Bv
US4150817A (en) * 1978-02-06 1979-04-24 Zimmermann & Jansen, Inc. Mixing chamber
EP0119642A1 (en) * 1983-02-17 1984-09-26 Hoogovens Groep B.V. Arrangement for mixing a gas into a main flow of a second gas
JPS60106908A (en) * 1983-11-15 1985-06-12 Ishikawajima Harima Heavy Ind Co Ltd Method for supplying hot air to hot stove
JP2006022381A (en) * 2004-07-08 2006-01-26 Kobe Steel Ltd Method for operating hot stove, and hot stove
CN201386111Y (en) * 2009-02-24 2010-01-20 首钢总公司 Pipeline blast temperature adjusting mixed air structure

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 201010, Derwent World Patents Index; AN 2010-B22261, XP002688924 *

Also Published As

Publication number Publication date
WO2012171851A2 (en) 2012-12-20
GB2491873A (en) 2012-12-19
GB201110121D0 (en) 2011-07-27

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