Converter steelmaking process by top, bottom and side blowing

Converter steelmaking process by top, bottom and side blowing

A top-bottom-lateral convertor steel-making method includes a top-bottom combined blown converter provided with a top gun and a bottom gun; wherein, the top gun is adopted to blow in oxygen; stirring gas is blown in by the bottom gun; the invention is characterized in that at least one lateral-blowi...

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Hauptverfasser: LAI ZHAOYI, CHEN BOYU, CHEN JUNWEI, ZHONG LIANGCAI, HUANG BIAOCAI, WANG CANRONG, ZHU YINGXIONG, KE JIANXIANG
Format: Patent
Sprache:chi ; eng
Schlagworte:
CHEMISTRY
METALLURGY
METALLURGY OF IRON
PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
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creator LAI ZHAOYI
CHEN BOYU
CHEN JUNWEI
ZHONG LIANGCAI
HUANG BIAOCAI
WANG CANRONG
ZHU YINGXIONG
KE JIANXIANG
description A top-bottom-lateral convertor steel-making method includes a top-bottom combined blown converter provided with a top gun and a bottom gun; wherein, the top gun is adopted to blow in oxygen; stirring gas is blown in by the bottom gun; the invention is characterized in that at least one lateral-blowing gun is arranged at the height of the whole melting pool of the wall of the top-bottom combined blown converter; besides, a lateral-blowing gun is adopted to blow in the gas or a slagging powder agent is blown in by carrier gas. The invention improves the existing convertor steel-making method and gives out a novel top-bottom-lateral convertor which not only improves the stirring effect of the melting pool of the combined blown converter, but also further reduces the uniform stirring time for the melting pool of the convertor, improves the dynamics conditions of a metal slag reaction as well as has the characteristics of enhancing slagging, improving the dephosphorization effect under a lower temperature, reducin
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The invention improves the existing convertor steel-making method and gives out a novel top-bottom-lateral convertor which not only improves the stirring effect of the melting pool of the combined blown converter, but also further reduces the uniform stirring time for the melting pool of the convertor, improves the dynamics conditions of a metal slag reaction as well as has the characteristics of enhancing slagging, improving the dephosphorization effect under a lower temperature, reducin</description><language>chi ; eng</language><subject>CHEMISTRY ; METALLURGY ; METALLURGY OF IRON ; PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL ; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS</subject><creationdate>2009</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20090107&amp;DB=EPODOC&amp;CC=CN&amp;NR=101338349A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20090107&amp;DB=EPODOC&amp;CC=CN&amp;NR=101338349A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LAI ZHAOYI</creatorcontrib><creatorcontrib>CHEN BOYU</creatorcontrib><creatorcontrib>CHEN JUNWEI</creatorcontrib><creatorcontrib>ZHONG LIANGCAI</creatorcontrib><creatorcontrib>HUANG BIAOCAI</creatorcontrib><creatorcontrib>WANG CANRONG</creatorcontrib><creatorcontrib>ZHU YINGXIONG</creatorcontrib><creatorcontrib>KE JIANXIANG</creatorcontrib><title>Converter steelmaking process by top, bottom and side blowing</title><description>A top-bottom-lateral convertor steel-making method includes a top-bottom combined blown converter provided with a top gun and a bottom gun; wherein, the top gun is adopted to blow in oxygen; stirring gas is blown in by the bottom gun; the invention is characterized in that at least one lateral-blowing gun is arranged at the height of the whole melting pool of the wall of the top-bottom combined blown converter; besides, a lateral-blowing gun is adopted to blow in the gas or a slagging powder agent is blown in by carrier gas. 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subjects CHEMISTRY
METALLURGY
METALLURGY OF IRON
PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
title Converter steelmaking process by top, bottom and side blowing
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