BR8503232A - Metodo para aquecimento do gas redutor de um alto forno - Google Patents

Metodo para aquecimento do gas redutor de um alto forno

Info

Publication number
BR8503232A
BR8503232A BR8503232A BR8503232A BR8503232A BR 8503232 A BR8503232 A BR 8503232A BR 8503232 A BR8503232 A BR 8503232A BR 8503232 A BR8503232 A BR 8503232A BR 8503232 A BR8503232 A BR 8503232A
Authority
BR
Brazil
Prior art keywords
pipe
nozzle
reducing gas
axis
heating
Prior art date
Application number
BR8503232A
Other languages
English (en)
Inventor
Didier Pineau
Original Assignee
Aerospatiale
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 Aerospatiale filed Critical Aerospatiale
Publication of BR8503232A publication Critical patent/BR8503232A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/001—Injecting additional fuel or reducing agents
    • C21B5/002—Heated electrically (plasma)
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/12—Dry methods smelting of sulfides or formation of mattes by gases
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Plasma Technology (AREA)
  • Furnace Details (AREA)
  • Blast Furnaces (AREA)
  • Manufacture Of Iron (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Discharge Heating (AREA)
  • Tunnel Furnaces (AREA)
BR8503232A 1984-07-02 1985-06-27 Metodo para aquecimento do gas redutor de um alto forno BR8503232A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8410467A FR2566802B1 (fr) 1984-07-02 1984-07-02 Procede pour le rechauffage du gaz de soufflage d'un haut fourneau par un generateur de plasma

Publications (1)

Publication Number Publication Date
BR8503232A true BR8503232A (pt) 1986-03-25

Family

ID=9305698

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8503232A BR8503232A (pt) 1984-07-02 1985-06-27 Metodo para aquecimento do gas redutor de um alto forno

Country Status (10)

Country Link
US (1) US4670048A (pt)
EP (1) EP0170566B1 (pt)
JP (1) JPS6119710A (pt)
AT (1) ATE31079T1 (pt)
AU (1) AU566991B2 (pt)
BR (1) BR8503232A (pt)
CA (1) CA1232133A (pt)
DE (1) DE3561069D1 (pt)
FR (1) FR2566802B1 (pt)
ZA (1) ZA854623B (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2637443B1 (fr) * 1988-10-03 1990-11-02 Aerospatiale Procede et dispositif pour la mise a poste et le retrait d'une torche a plasma sur un appareil fonctionnant dans des conditions de pression et de temperature interdisant une intervention directe
JPH06220129A (ja) 1993-01-20 1994-08-09 Nippon Oil Co Ltd 高強度・高弾性率ポリエチレン材料の製造方法
US10188119B2 (en) 2001-07-16 2019-01-29 Foret Plasma Labs, Llc Method for treating a substance with wave energy from plasma and an electrical arc
US8764978B2 (en) 2001-07-16 2014-07-01 Foret Plasma Labs, Llc System for treating a substance with wave energy from an electrical arc and a second source
US7622693B2 (en) * 2001-07-16 2009-11-24 Foret Plasma Labs, Llc Plasma whirl reactor apparatus and methods of use
US7857972B2 (en) 2003-09-05 2010-12-28 Foret Plasma Labs, Llc Apparatus for treating liquids with wave energy from an electrical arc
US8981250B2 (en) 2001-07-16 2015-03-17 Foret Plasma Labs, Llc Apparatus for treating a substance with wave energy from plasma and an electrical Arc
US9481584B2 (en) 2001-07-16 2016-11-01 Foret Plasma Labs, Llc System, method and apparatus for treating liquids with wave energy from plasma
US9499443B2 (en) 2012-12-11 2016-11-22 Foret Plasma Labs, Llc Apparatus and method for sintering proppants
EP2971488B1 (en) 2013-03-12 2018-09-26 Foret Plasma Labs, Llc Apparatus and method for sintering proppants

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3209810A (en) * 1962-04-24 1965-10-05 Exxon Research Engineering Co Side-entry fluid fuel injection system for furnaces
GB1068174A (en) * 1963-02-22 1967-05-10 Ass Elect Ind Improvements relating to electric furnaces
FR1599236A (pt) * 1968-06-19 1970-07-15
DE2120803A1 (de) * 1971-04-28 1972-11-16 Stahlwerke Peine-Salzgitter AG, 315OPeine Lanze zum Einblasen von Schweröl in die Blasform von Hochöfen
LU81976A1 (fr) * 1979-12-10 1981-07-23 Centre Rech Metallurgique Procede d'injection de gaz reducteurs chauds dans un four a cuve
US4490171A (en) * 1982-03-31 1984-12-25 Kobe Steel, Limited Method and apparatus for injecting pulverized fuel into a blast furnace
SE434650B (sv) * 1982-06-09 1984-08-06 Skf Steel Eng Ab Sett vid utnyttjande av plasmagenerator for hojning av blestertemperaturen i en schaktugn
AU550755B2 (en) * 1983-03-28 1986-04-10 Skf Steel Engineering Ab Method and apparatus for heating process air

Also Published As

Publication number Publication date
US4670048A (en) 1987-06-02
JPS6119710A (ja) 1986-01-28
EP0170566A1 (fr) 1986-02-05
AU4384185A (en) 1986-01-09
DE3561069D1 (en) 1988-01-07
JPS648043B2 (pt) 1989-02-13
CA1232133A (fr) 1988-02-02
AU566991B2 (en) 1987-11-05
ZA854623B (en) 1986-02-26
EP0170566B1 (fr) 1987-11-25
FR2566802A1 (fr) 1986-01-03
FR2566802B1 (fr) 1986-12-05
ATE31079T1 (de) 1987-12-15

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 27/06/2000