RO81642B1 - Procedeu de elaborare a otelului - Google Patents

Procedeu de elaborare a otelului

Info

Publication number
RO81642B1
RO81642B1 RO102821A RO10282180A RO81642B1 RO 81642 B1 RO81642 B1 RO 81642B1 RO 102821 A RO102821 A RO 102821A RO 10282180 A RO10282180 A RO 10282180A RO 81642 B1 RO81642 B1 RO 81642B1
Authority
RO
Romania
Prior art keywords
bath
oxygen
blowing
lubricating agents
free bearing
Prior art date
Application number
RO102821A
Other languages
English (en)
Other versions
RO81642A2 (ro
Inventor
Karl Brotzmann
Paul Gerhard Mantey
Original Assignee
Eisenwerk Gesellschaft Maximilianshutte Mbh.
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 Eisenwerk Gesellschaft Maximilianshutte Mbh. filed Critical Eisenwerk Gesellschaft Maximilianshutte Mbh.
Priority to RO80102821A priority Critical patent/RO81642A2/ro
Publication of RO81642B1 publication Critical patent/RO81642B1/ro
Publication of RO81642A2 publication Critical patent/RO81642A2/ro

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  • Carbon Steel Or Casting Steel Manufacturing (AREA)

Abstract

Procedeul de elaborare a otelului în convertizor, conform inventiei, prevede afînarea unei fonte de compozitie uzuala, insuflînd printr-o lance racita cu apa si/ sau duze de suflare de oxigen, deasupra baii si agenti în sine cunoscuti de zgurificare si combustibili pulverulenti cu continut de carbon cu ajutorul unor gaze portante lipsite de oxigen, de tip uzual, între care gaze inerte, sub suprafata baii, printr-o serie de duze de suflare prevazute în zidaria fundului convertizorului. în scopul optimizarii afînarii, se insufla prin fundul baii circa 20% din cantitatea totala de oxigen intermitent, alternativ cu insuflarea agentilor de zgurificare si a combustibililor pulverulenti cu ajutorul gazelor portante lipsite de oxigen, prin reglarea corespunzatoare a alimentarii duzelor respective, prin duzele laterale orientate spre suprafata baii circa 1/4 din cantitatea de oxigen necesara afînarii, iar prin lancea centrala, care dupa terminarea fazei de desiliciere este coborîta la 1,5m înaltime fata de suprafata baii.
RO80102821A 1980-12-11 1980-12-11 Procedeu de elaborare a otelului RO81642A2 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO80102821A RO81642A2 (ro) 1980-12-11 1980-12-11 Procedeu de elaborare a otelului

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO80102821A RO81642A2 (ro) 1980-12-11 1980-12-11 Procedeu de elaborare a otelului

Publications (2)

Publication Number Publication Date
RO81642B1 true RO81642B1 (ro) 1983-05-30
RO81642A2 RO81642A2 (ro) 1983-06-01

Family

ID=20109253

Family Applications (1)

Application Number Title Priority Date Filing Date
RO80102821A RO81642A2 (ro) 1980-12-11 1980-12-11 Procedeu de elaborare a otelului

Country Status (1)

Country Link
RO (1) RO81642A2 (ro)

Also Published As

Publication number Publication date
RO81642A2 (ro) 1983-06-01

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