DE3065727D1 - Porous refractory element and its manufacturing method - Google Patents

Porous refractory element and its manufacturing method

Info

Publication number
DE3065727D1
DE3065727D1 DE8080401719T DE3065727T DE3065727D1 DE 3065727 D1 DE3065727 D1 DE 3065727D1 DE 8080401719 T DE8080401719 T DE 8080401719T DE 3065727 T DE3065727 T DE 3065727T DE 3065727 D1 DE3065727 D1 DE 3065727D1
Authority
DE
Germany
Prior art keywords
mass
envelope
porous
gas
under pressure
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE8080401719T
Other languages
German (de)
English (en)
Inventor
Jean-Claude Grosjean
Roland Grave
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institut de Recherches de la Siderurgie Francaise IRSID
Original Assignee
Institut de Recherches de la Siderurgie Francaise IRSID
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9232679&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3065727(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Institut de Recherches de la Siderurgie Francaise IRSID filed Critical Institut de Recherches de la Siderurgie Francaise IRSID
Application granted granted Critical
Publication of DE3065727D1 publication Critical patent/DE3065727D1/de
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
    • B22D1/002—Treatment with gases
    • B22D1/005—Injection assemblies therefor
    • 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
    • C21C5/48—Bottoms or tuyéres of converters
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Magnetic Heads (AREA)
  • Continuous Casting (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Filtering Materials (AREA)
DE8080401719T 1979-12-10 1980-12-02 Porous refractory element and its manufacturing method Expired DE3065727D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7930425A FR2471416A1 (fr) 1979-12-10 1979-12-10 Elements refractaires poreux et procede de fabrication

Publications (1)

Publication Number Publication Date
DE3065727D1 true DE3065727D1 (en) 1983-12-29

Family

ID=9232679

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080401719T Expired DE3065727D1 (en) 1979-12-10 1980-12-02 Porous refractory element and its manufacturing method

Country Status (8)

Country Link
US (1) US4348013A (enExample)
EP (1) EP0030501B1 (enExample)
JP (1) JPS5694182A (enExample)
AT (1) ATE5423T1 (enExample)
AU (1) AU536650B2 (enExample)
CA (1) CA1160215A (enExample)
DE (1) DE3065727D1 (enExample)
FR (1) FR2471416A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL189008C (nl) * 1981-11-18 1992-12-01 Hoogovens Groep Bv Gasdoorlatend wandelement voor een met vuurvast materiaal bekleed metallurgisch vat, in het bijzonder voor een l.d.-staalconverter.
FR2516938B1 (fr) * 1981-11-23 1986-06-06 Usinor Dispositif pour l'introduction de gaz dans le bain de metal liquide
JPS59150656A (ja) * 1983-02-16 1984-08-28 Toshiba Ceramics Co Ltd スライデイングノズル装置
DE3503222C2 (de) * 1985-01-31 1987-02-12 Didier-Werke Ag, 6200 Wiesbaden Gasspülkegel
JPH0613254Y2 (ja) * 1988-08-03 1994-04-06 川崎炉材株式会社 溶融金属撹拌装置
DE4219615C2 (de) * 1992-06-16 1994-05-19 Burbach & Bender Ohg Gasspülstein für metallurgische Gefäße
CN109141016B (zh) * 2018-06-01 2019-08-16 福建麦特新铝业科技有限公司 一种用于熔炼炉炉底通气搅拌的透气塞及金属熔炼炉
JP7319563B2 (ja) * 2021-12-21 2023-08-02 品川リフラクトリーズ株式会社 羽口部材、および、溶融金属精錬容器の底部に羽口を設置する方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU30391A1 (enExample) * 1949-11-03
NL74999C (enExample) * 1952-01-21
FR1162727A (fr) * 1956-10-26 1958-09-16 Siderurgie Fse Inst Rech Procédé pour obtenir des pièces en béton poreux assurant l'insufflation dirigée d'un fluide et produits obtenus au moyen de ce procédé
FR1031504A (fr) * 1957-09-09 1953-06-24 Air Liquide Dispositif d'insufflation de gaz dans une masse de métal fondu
US3633898A (en) * 1969-06-06 1972-01-11 Stora Kopparbergs Bergslags Ab Means for gas-flushing metal melts
US3610602A (en) * 1969-10-14 1971-10-05 United States Steel Corp Gas-permeable refractory plug and method
CH625040A5 (enExample) * 1976-06-01 1981-08-31 Alusuisse

Also Published As

Publication number Publication date
JPS5694182A (en) 1981-07-30
FR2471416B1 (enExample) 1985-03-22
FR2471416A1 (fr) 1981-06-19
ATE5423T1 (de) 1983-12-15
AU6499680A (en) 1981-06-18
AU536650B2 (en) 1984-05-17
EP0030501B1 (fr) 1983-11-23
US4348013A (en) 1982-09-07
EP0030501A1 (fr) 1981-06-17
CA1160215A (fr) 1984-01-10

Similar Documents

Publication Publication Date Title
GB2028987B (en) Lance pipe for refining metal and refining method using the lance pipe
DE3065727D1 (en) Porous refractory element and its manufacturing method
GB1525901A (en) Electrostatic water treatment apparatus
ES462874A1 (es) Aparato de fibras huecas destinado al fraccionamiento de fluido, especialmente util como rinon artificial y procedi- miento con su instalacion para prepararlo.
ES8600987A1 (es) Procedimiento y aparato para realizar la generacion continua durante la fabricacion de un polvo de aerosol para su analisis otrosi.
IT8023371A0 (it) Dispositivo per l'introduzione di gas in masse metalliche fuse.
DE3481527D1 (de) Gasdurchlaessiger baukoerper aus feuerfestem material.
IL61428A (en) Apparatus and method for drawing off very small quantities of powder
ES8402930A1 (es) Perfeccionamientos en una carga hueca con efecto de explosion dirigido.
ES460475A1 (es) Perfeccionamientos en crisoles para analisis termicos de aleaciones de aluminio.
BR8806056A (pt) Aditivo contendo chumbo para fundicoes de aco,processo para o tratamento de fundicao de aco e utilizacao
DE3276872D1 (en) Installation for introducing gas into a bath of liquid metal
Sneeringer et al. Milk cartons and ash cans: two unconventional welding techniques
MX9501621A (es) Procedimiento para la fabricacion de una instalacion de soplado de gases y/o solidos, para recipien tes metalurgicos, como tambien la instalacion de soplado fabricada segun el procedimiento.
JPS57179589A (en) Manufacture of heat pipe
JPS564420A (en) Method and device for manufacturing heat insulating bonding body
GB999268A (en) Improvements relating to apparatus for degasifying metal melts
GB2001882B (en) Method and apparatus for the production of stamped tube bends,particularly steel-tube welding bends
BR8807373A (pt) Processo para a introducao de gas em uma abertura de jito de um recipiente contendo uma massa metalica fundida,especialmente uma massa fundida de aco,assim como camisa de jito para a execucao do processo
ZA816859B (en) Process and device for the annealing of metal parts under decarburising conditions,or under conditions which do not affect the level of carburisation
JPS56105295A (en) Manufacture of heat pipe
JPS57142486A (en) Manufacture of heat pipe
JPS5354344A (en) Method of manufacturing heat pipes
JPS5573821A (en) Reducing method for oxidized scale of pipe inside surface
JPS5755029A (en) Stem of electronic tube and production thereof

Legal Events

Date Code Title Description
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee