LU91108B1 - System and method for injecting gas-powder mixtureinto slag - Google Patents

System and method for injecting gas-powder mixtureinto slag

Info

Publication number
LU91108B1
LU91108B1 LU91108A LU91108A LU91108B1 LU 91108 B1 LU91108 B1 LU 91108B1 LU 91108 A LU91108 A LU 91108A LU 91108 A LU91108 A LU 91108A LU 91108 B1 LU91108 B1 LU 91108B1
Authority
LU
Luxembourg
Prior art keywords
mixtureinto
slag
powder
injecting gas
injecting
Prior art date
Application number
LU91108A
Inventor
Emile Lonardi
Dominique Rocchi
Jean-Luc Roth
Original Assignee
Wurth Paul Sa
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 Wurth Paul Sa filed Critical Wurth Paul Sa
Priority to LU91108A priority Critical patent/LU91108B1/en
Application granted granted Critical
Publication of LU91108B1 publication Critical patent/LU91108B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B3/00—General features in the manufacture of pig-iron
    • C21B3/04—Recovery of by-products, e.g. slag
    • C21B3/06—Treatment of liquid slag
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/4606—Lances or injectors
    • C21C5/462—Means for handling, e.g. adjusting, changing, coupling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/18—Charging particulate material using a fluid carrier
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/02—Physical or chemical treatment of slags
    • C21B2400/022—Methods of cooling or quenching molten slag
    • C21B2400/026—Methods of cooling or quenching molten slag using air, inert gases or removable conductive bodies
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/02—Physical or chemical treatment of slags
    • C21B2400/022—Methods of cooling or quenching molten slag
    • C21B2400/028—Methods of cooling or quenching molten slag with the permanent addition of cooled slag or other solids
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/05—Apparatus features
    • C21B2400/066—Receptacle features where the slag is treated
    • C21B2400/072—Tanks to collect the slag, e.g. water tank
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
LU91108A 2004-10-04 2004-10-04 System and method for injecting gas-powder mixtureinto slag LU91108B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
LU91108A LU91108B1 (en) 2004-10-04 2004-10-04 System and method for injecting gas-powder mixtureinto slag

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU91108A LU91108B1 (en) 2004-10-04 2004-10-04 System and method for injecting gas-powder mixtureinto slag

Publications (1)

Publication Number Publication Date
LU91108B1 true LU91108B1 (en) 2006-04-05

Family

ID=34955599

Family Applications (1)

Application Number Title Priority Date Filing Date
LU91108A LU91108B1 (en) 2004-10-04 2004-10-04 System and method for injecting gas-powder mixtureinto slag

Country Status (1)

Country Link
LU (1) LU91108B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUD20120158A1 (en) * 2012-09-13 2014-03-14 Danieli Off Mecc APPARATUS AND METHOD FOR THE TREATMENT OF METALLURGICAL SCORES

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3358982A (en) * 1963-08-26 1967-12-19 Voest Ag Blowing device for carrying out top blowing processes
GB1422055A (en) * 1972-05-25 1976-01-21 Arbed Process and device for incorporating solid materials into a bath of molten metal
GB1434650A (en) * 1973-01-27 1976-05-05 Thyssen Niederrhein Ag Mechanism for introducing fine-grain reagents into steel melts
DE2454776A1 (en) * 1974-11-15 1976-05-20 Mannesmann Ag Feeding materials into molten metal, esp. steel - using immersion lances mounted on a swivel head and used alternately

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3358982A (en) * 1963-08-26 1967-12-19 Voest Ag Blowing device for carrying out top blowing processes
GB1422055A (en) * 1972-05-25 1976-01-21 Arbed Process and device for incorporating solid materials into a bath of molten metal
GB1434650A (en) * 1973-01-27 1976-05-05 Thyssen Niederrhein Ag Mechanism for introducing fine-grain reagents into steel melts
DE2454776A1 (en) * 1974-11-15 1976-05-20 Mannesmann Ag Feeding materials into molten metal, esp. steel - using immersion lances mounted on a swivel head and used alternately

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
KRAUSS S: "VERFAHREN ZUR PULVERINJEKTION IN STAHLSCHMELZEN", NEUE HUTTE, VEB DEUTSCHER VERLAG FUR GRUNDSTOFF-INDUSTRIE, LEIPZIG, DE, vol. 24, no. 6, June 1979 (1979-06-01), pages 217 - 222, XP002048157 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUD20120158A1 (en) * 2012-09-13 2014-03-14 Danieli Off Mecc APPARATUS AND METHOD FOR THE TREATMENT OF METALLURGICAL SCORES
WO2014041418A3 (en) * 2012-09-13 2014-09-12 Danieli & C. Officine Meccaniche Spa Apparatus and method for processing metallurgic slag
RU2625352C2 (en) * 2012-09-13 2017-07-13 Даниели & К. Оффичине Мекканике Спа Method and device for metallurgical slag processing

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