IT8140430A1 - Processo di affinazione della ghisa in convertitori ad ossigeno con aggiunta di materiali contenenti carbonato sodico - Google Patents

Processo di affinazione della ghisa in convertitori ad ossigeno con aggiunta di materiali contenenti carbonato sodico

Info

Publication number
IT8140430A1
IT8140430A1 IT1981A40430A IT4043081A IT8140430A1 IT 8140430 A1 IT8140430 A1 IT 8140430A1 IT 1981A40430 A IT1981A40430 A IT 1981A40430A IT 4043081 A IT4043081 A IT 4043081A IT 8140430 A1 IT8140430 A1 IT 8140430A1
Authority
IT
Italy
Prior art keywords
addition
sodium carbonate
cast iron
materials containing
containing sodium
Prior art date
Application number
IT1981A40430A
Other languages
English (en)
Other versions
IT1155249B (it
IT8140430A0 (it
Original Assignee
Italsider S P A Centro Siderurgico Di Bagnoli
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 Italsider S P A Centro Siderurgico Di Bagnoli filed Critical Italsider S P A Centro Siderurgico Di Bagnoli
Priority to IT40430/81A priority Critical patent/IT1155249B/it
Publication of IT8140430A0 publication Critical patent/IT8140430A0/it
Priority to US06/379,082 priority patent/US4405364A/en
Priority to JP57082527A priority patent/JPS581010A/ja
Priority to GB08214534A priority patent/GB2101636B/en
Priority to BE0/208142A priority patent/BE893249A/fr
Priority to DE3218975A priority patent/DE3218975A1/de
Priority to FR8208850A priority patent/FR2506330B1/fr
Publication of IT8140430A1 publication Critical patent/IT8140430A1/it
Application granted granted Critical
Publication of IT1155249B publication Critical patent/IT1155249B/it

Links

Classifications

    • 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
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/32—Blowing from above
    • 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
    • C21C5/36—Processes yielding slags of special composition
    • 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
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/064—Dephosphorising; Desulfurising
    • 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
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/064—Dephosphorising; Desulfurising
    • C21C7/0645—Agents used for dephosphorising or desulfurising

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
IT40430/81A 1981-05-20 1981-05-20 Processo di affinanazione della ghisa in convertitori ad ossigeno con aggiunta di materiali contenenti carbonato sodico IT1155249B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT40430/81A IT1155249B (it) 1981-05-20 1981-05-20 Processo di affinanazione della ghisa in convertitori ad ossigeno con aggiunta di materiali contenenti carbonato sodico
US06/379,082 US4405364A (en) 1981-05-20 1982-05-17 Process of refining iron in oxygen converters with additions of materials containing sodium carbonate
JP57082527A JPS581010A (ja) 1981-05-20 1982-05-18 酸素コンバ−タ−において鉄を精錬する方法
GB08214534A GB2101636B (en) 1981-05-20 1982-05-19 Refining iron or steel in oxygen converters with the addition of at least one compound of sodium
BE0/208142A BE893249A (fr) 1981-05-20 1982-05-19 Procede d'affinage du fer dans des convertisseurs a l'oxygene avec des additions de matieres contenant du carbonate de sodium
DE3218975A DE3218975A1 (de) 1981-05-20 1982-05-19 Verfahren zum frischen von eisen in sauerstoffkonvertern mit zusaetzen natriumcarbonat-haltiger materialien
FR8208850A FR2506330B1 (fr) 1981-05-20 1982-05-19 Procede d'affinage du fer dans des convertisseurs a oxygene avec addition de matieres contenant du carbonate de sodium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT40430/81A IT1155249B (it) 1981-05-20 1981-05-20 Processo di affinanazione della ghisa in convertitori ad ossigeno con aggiunta di materiali contenenti carbonato sodico

Publications (3)

Publication Number Publication Date
IT8140430A0 IT8140430A0 (it) 1981-05-20
IT8140430A1 true IT8140430A1 (it) 1982-11-20
IT1155249B IT1155249B (it) 1987-01-21

Family

ID=11249532

Family Applications (1)

Application Number Title Priority Date Filing Date
IT40430/81A IT1155249B (it) 1981-05-20 1981-05-20 Processo di affinanazione della ghisa in convertitori ad ossigeno con aggiunta di materiali contenenti carbonato sodico

Country Status (3)

Country Link
JP (1) JPS581010A (it)
BE (1) BE893249A (it)
IT (1) IT1155249B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61217515A (ja) * 1985-03-22 1986-09-27 Nippon Kokan Kk <Nkk> 極低燐鋼の溶製方法

Also Published As

Publication number Publication date
IT1155249B (it) 1987-01-21
BE893249A (fr) 1982-09-16
IT8140430A0 (it) 1981-05-20
JPS581010A (ja) 1983-01-06

Similar Documents

Publication Publication Date Title
IS2830A7 (is) Framleiðsla málms með rafgreiningu í bræddri raflausn
IT1195274B (it) Prodotto refrattario fuso ad alto tenore di ossido di zirconio
MA19663A1 (fr) Structure porteuse pour motocycle
FR2534928B1 (fr) Composition de blanchiment et de blanchissage stabilisee
FI823243A0 (fi) Reaktansens maetningskrets
ES548250A0 (es) Buque con efecto de superficie
IT8140430A1 (it) Processo di affinazione della ghisa in convertitori ad ossigeno con aggiunta di materiali contenenti carbonato sodico
IT8248757A0 (it) Perfezionamento nel colaggio di acciai calmati all&#39;alluminio
ES547822A0 (es) Draga flotante con contrapeso
IT8212439A0 (it) Processo di affinazione della ghisa in convertitori ad ossigeno con aggiunte di materiali contenenti carbonato sodico
IT1153269B (it) Raffinazione di ferrocromo
FI812856L (fi) Planetackumulator foer &#34;sz&#34; tvinning
GB8324822D0 (en) Voltametric determination of oxygen
JPS56120767A (en) Benzoxazolylstilbenes* their manufacture and their application to optically brightening agent
JPS5740069A (en) Construction of penthouse
GB2101636B (en) Refining iron or steel in oxygen converters with the addition of at least one compound of sodium
ES548249A0 (es) Buque con efecto de superficie
IT1170309B (it) Argano munito di mezzi di lettura e di arresto
IT8349226A0 (it) Cassa d&#39;orologio con tasti
GB2068430B (en) Stable solutions of optical brighteners
JPS54117383A (en) Optical brightening composition
JPS5792576A (en) Manufacture of zirconia-yttria type solid electrolyte
AR222415A1 (es) Blanqueo de pulpas de bagazo con oxigeno alcalis
CU20933A (es) Blanqueo de pulpas de bagazo con oxigeno alcalis
KR860004478U (ko) 받침대겸용 탕기류 뚜껑