锟斤拷锟150t鋼帮拷锟斤拷锟斤拷锟絫(LF锟絫)锟斤拷脫锟斤拷锟絞(sh锟斤拷)锟斤拷藝锟斤拷锟絗
锟斤拷鋼第讹拷锟斤拷軋锟絊150t锟?sh锟斤拷)讖?f锟斤拷)锟斤拷锟紻(zhu锟斤拷n)锟絫—150t LF锟絫—锟斤拷锟斤拷锟斤拷锟紹锟絋锟斤拷锟絘(ch锟斤拷n)锟斤拷锟斤拷2005锟斤拷8锟斤拷投锟絘(ch锟斤拷n)锟斤拷锟斤拷锟斤拷锟絖锟絣(f锟斤拷)锟斤拷品锟絅冶锟斤拷锟斤拷碳锟斤拷锟斤拷鋼碉拷要锟斤拷,LF锟絫锟斤拷負锟斤拷锟斤拷锟斤拷锟斤拷脫锟斤拷锟斤拷蝿锟(w锟斤拷),锟斤拷要锟斤拷锟組站锟斤拷0.010%锟斤拷0.025%锟斤拷锟斤拷虝r锟絞锟斤拷(n锟斤拷i)锟斤拷锟斤拷脫锟斤拷0.005%锟皆冿拷(n锟斤拷i),锟斤拷锟,锟絰锟斤拷一锟絅锟斤拷锟斤拷锟絕锟斤拷锟斤拷锟絚,锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷,锟斤拷锟絕锟斤拷脫锟斤拷脫锟斤拷,锟斤拷锟斤拷锟斤拷锟紸锟絪锟斤拷锟斤拷锟斤拷锟斤拷系,锟斤拷锟狡讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷藝锟角確锟斤拷LF锟絫锟斤拷锟斤拷锟斤拷锟斤拷脫锟斤拷锟斤拷P(gu锟斤拷n)锟絀,锟斤拷
1锟斤拷锟斤拷锟絞(sh锟斤拷)锟斤拷锟斤拷(sh锟斤拷)
锟斤拷锟150t鋼帮拷锟斤拷锟斤拷锟絫锟斤拷要锟斤拷锟絞(sh锟斤拷)锟斤拷锟斤拷(sh锟斤拷)見锟铰憋拷:
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2,锟斤拷锟斤拷锟150t鋼帮拷锟絫锟斤拷锟斤拷锟斤拷藝锟斤拷锟斤拷
锟剿拷M站→鋼帮拷車锟斤拷LF锟斤拷锟斤拷位→锟統锟斤拷取锟斤拷→锟斤拷锟,锟斤拷锟斤拷锟斤拷锟较★拷锟斤拷還原锟斤拷→锟絳(di锟斤拷o)锟斤拷锟剿拷煞锟→锟統锟斤拷取锟斤拷→锟缴分溫度合革拷→喂锟斤拷→軟锟斤拷锟斤拷→鋼帮拷锟斤拷LF锟絫锟斤拷锟轿→锟接憋拷锟截勶拷→锟斤拷锟斤拷→锟斤拷锟斤拷锟斤拷锟紹锟絋锟紺
3,锟斤拷LF脫锟斤拷锟絞(sh锟斤拷)锟侥凤拷锟斤拷
锟侥燂拷锟斤拷锟絎(xu锟斤拷)锟酵勶拷锟斤拷锟絎(xu锟斤拷)锟斤拷锟芥對LF锟斤拷脫锟斤拷藝锟侥凤拷锟斤拷锟斤拷锟斤拷,锟斤拷锟斤拷锟斤拷,锟斤拷锟竭堿锟饺★拷锟絤锟斤拷锟竭碉拷锟剿拷囟锟,锟斤拷锟絕锟酵的爐锟斤拷锟斤拷锟斤拷锟斤拷,锟斤拷锟斤拷锟矫的达拷锟藉攪锟斤拷锟皆硷拷锟剿拷}處锟斤拷锟斤拷锟剿拷锟矫擄拷锟斤拷锟斤拷锟斤拷锟絣锟斤拷锟斤拷
3.1 脫锟津反戯拷(y锟斤拷ng)
锟斤拷锟斤拷锟絏锟(zh锟斤拷n)锟給鋼侊拷锟絝,脫锟斤拷锟斤拷锟斤拷锟斤拷锟(y锟斤拷ng)锟斤拷:3(CaO)+2[Al]+3[FeS]=3(CaS)+(Al2O3)+3[Fe]
3.2 锟斤拷锟斤拷锟斤拷脫锟斤拷效锟斤拷锟斤拷影锟
锟絤锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷,锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷CaO锟斤拷锟斤拷,稀锟斤拷锟斤拷锟紺aS锟斤拷锟,锟斤拷锟皆加匡拷脫锟斤拷锟斤拷锟斤拷,锟斤拷锟斤拷锟斤拷锟絕锟斤拷锟绞癸拷t锟斤拷锟絕锟斤拷,影锟斤拷锟斤拷锟斤拷锟芥反锟斤拷(y锟斤拷ng),锟节岋拷锟紿锟斤拷锟絘(ch锟斤拷n)锟絕锟斤拷锟斤拷,锟紻(zhu锟斤拷n)锟絫锟斤拷锟斤拷锟斤拷锟斤拷^锟斤拷,锟斤拷使锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟,影锟斤拷锟斤拷锟斤拷锟斤拷锟絕锟斤拷,锟侥讹拷锟斤拷锟斤拷脫锟斤拷l锟斤拷锟斤拷锟斤拷脫锟斤拷效锟斤拷,锟斤拷锟斤拷锟,锟斤拷锟斤拷锟絘(ch锟斤拷n)锟斤拷锟絗锟斤拷锟紻(zhu锟斤拷n)锟絫锟斤拷锟斤拷锟斤拷锟斤拷锟揭拷锟叫★拷锟30mm,锟斤拷
冶锟斤拷锟斤拷碳锟斤拷锟斤拷鋼種,锟紻(zhu锟斤拷n)锟絫锟斤拷锟斤拷锟狡斤拷锟斤拷_锟斤拷0.018%锟斤拷要锟斤拷锟狡凤拷锟叫★拷锟0.005%,锟斤拷脫锟斤拷锟绞达拷锟斤拷80%,锟斤拷锟斤拷锟斤拷锟絚脫锟斤拷锟绞碉拷锟絇(gu锟斤拷n)系锟斤拷锟铰圖锟斤拷示锟,锟斤拷锟斤拷钥锟斤拷锟矫擄拷锟斤拷锟揭拷_锟斤拷80%,锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷12.5kg/t锟斤拷
3.3 锟紸锟饺的匡拷锟斤拷
锟斤拷锟統锟絫锟斤拷锟侥堿锟斤拷影響爐锟斤拷锟斤拷锟桔伙拷锟截讹拷,锟斤拷粘锟饺猴拷脫锟斤拷锟斤拷锟斤拷,锟斤拷該锟斤拷系锟絫锟斤拷锟紸锟斤拷R =(CaO+MgO)/(Al2O3 +SiO2)锟斤拷锟斤拷系锟斤拷粘锟斤拷锟絚(CaO+MgO)锟斤拷锟斤拷锟斤拷锟絇(gu锟斤拷n)系锟斤拷D锟斤拷示,锟缴圖锟斤拷見:锟斤拷(MgO+ CaO)锟斤拷锟斤拷锟斤拷锟絕70%锟絩,锟絫锟斤拷粘锟饺硷拷锟斤拷锟斤拷锟斤拷,锟斤拷
3.4 锟剿拷囟锟
锟斤拷锟絘(ch锟斤拷n)锟斤拷锟絗锟斤拷锟斤拷,锟剿拷囟鹊锟斤拷锟1560锟斤拷r,脫锟斤拷锟斤拷锟斤拷锟斤拷锟紷锟斤拷锟斤拷;锟剿拷囟雀锟斤拷锟1560锟斤拷r,锟斤拷锟斤拷锟桔伙拷锟斤拷,锟斤拷锟斤拷锟,要锟斤拷锟紻(zhu锟斤拷n)锟絫锟剿拷M站锟截讹拷要锟斤拷锟斤拷1560锟斤拷,锟斤拷锟斤拷锟桔伙拷锟劫度匡拷,锟斤拷锟斤拷锟皆猴拷,脫锟斤拷锟劫度快。
3.5 锟絫锟斤拷锟斤拷锟斤拷锟斤拷
LF锟斤拷锟斤拷锟絫锟节帮拷锟斤拷锟斤拷脫锟斤拷秃辖锟轿拷{(di锟斤拷o),锟斤拷藸t锟斤拷脫锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷P(gu锟斤拷n)锟絀,LF锟絫锟斤拷锟斤拷锟絏锟斤拷脫锟斤拷,锟斤拷锟絫锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絚锟斤拷锟斤拷锟斤拷锟絇(gu锟斤拷n)系锟斤拷D3,锟缴圖锟斤拷知,锟斤拷锟斤拷锟斤拷越锟斤拷脫锟斤拷效锟斤拷越锟斤拷,锟斤拷
锟絫锟斤拷锟紸锟斤拷锟絚脫锟斤拷姆锟斤拷锟斤拷Ls锟斤拷锟絇(gu锟斤拷n)系锟斤拷D4锟斤拷示,锟缴圖锟斤拷見锟斤拷锟紸锟饺烇拷2.5锟斤拷3.5锟絩,锟絫锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷脫锟斤拷锟斤拷锟斤拷,锟斤拷锟角爐锟斤拷锟紸锟斤拷锟絕锟竭曪拷锟斤拷锟斤拷粘锟饺讹拷锟斤拷锟斤拷锟斤拷脫锟斤拷,锟斤拷锟,锟斤拷锟斤拷系锟絰锟斤拷A锟饺烇拷2.6锟斤拷锟揭★拷
3.6 锟斤拷锟藉攪锟斤拷
锟节撅拷锟斤拷锟絕锟斤拷锟斤拷,锟剿硷拷K處锟节达拷锟藉攪锟斤拷锟紹(t锟斤拷i),锟紷锟斤拷锟斤拷锟絕锟斤拷锟斤拷,锟剿硷拷K處锟节达拷锟藉攪锟斤拷锟紹(t锟斤拷i),锟紷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟-锟斤拷锟斤拷锟斤拷,锟斤拷锟組锟-锟斤拷锟斤拷锟斤拷幕锟斤拷W(xu锟斤拷)锟斤拷锟斤拷(y锟斤拷ng),锟斤拷锟斤拷锟斤拷脫锟斤拷锟斤拷脫锟津反戯拷(y锟斤拷ng)锟斤拷锟斤拷锟斤拷M锟斤拷,锟斤拷锟斤拷锟藉攪锟斤拷锟绞癸拷墙锟斤拷賷A锟絪锟斤拷锟洁互锟斤拷撞,锟斤拷锟桔硷拷,锟斤拷u變锟斤拷锟絯锟斤拷,锟斤拷锟斤拷锟较革拷去锟斤拷锟斤拷锟斤拷锟斤拷還锟斤拷锟皆硷拷锟斤拷锟斤拷谐煞趾蜏囟鹊木锟斤拷锟,锟斤拷锟节撅拷锟絖锟斤拷锟斤拷锟剿拷煞锟,锟斤拷锟截讹拷,锟斤拷
3.7 锟絵處锟斤拷
喂锟斤拷CaSi锟斤拷锟斤拷锟皆冿拷锟斤拷锟揭猴拷涂锟斤拷茒A锟絪锟轿態(t锟斤拷i)锟斤拷锟絵锟斤拷锟斤拷锟絕锟斤拷锟斤拷脫锟斤拷,锟斤拷脫锟斤拷锟斤拷锟斤拷,锟杰岋拷锟揭猴拷M锟斤拷锟斤拷锟矫碉拷脫锟斤拷锟斤拷脫锟斤拷,锟斤拷锟斤拷锟絵锟斤拷锟斤拷锟斤拷锟斤拷锟絤锟斤拷,CaO锟斤拷Al2O3锟斤拷锟轿成碉拷锟斤拷锟絚锟斤拷锟絏锟斤拷锟絵,锟斤拷锟揭猴拷谐锟斤拷锟斤拷,锟斤拷锟斤拷锟较革拷锟脚筹拷锟斤拷锟斤拷锟斤拷喂CaSi锟斤拷前锟斤拷锟剿★拷臃锟斤拷锟斤拷锟斤拷锟,喂CaSi锟斤拷锟斤拷锟剿拷锟斤拷M一锟斤拷锟斤拷脫锟斤拷,使锟斤拷锟斤拷锟組一锟斤拷锟斤拷锟斤拷,锟斤拷
4,锟斤拷锟斤拷脫锟斤拷藝锟斤拷锟絖锟絣(f锟斤拷)锟絚锟斤拷锟絗
锟斤拷鋼第讹拷锟斤拷軋锟絊锟斤拷锟斤拷(j锟斤拷)锟斤拷锟斤拷锟斤拷锟絫锟斤拷锟紸锟斤拷,锟斤拷锟剿拷囟锟,锟斤拷锟絫锟斤拷锟斤拷锟斤拷锟皆★拷锟斤拷锟藉攪锟斤拷锟皆硷拷锟剿拷}處锟斤拷锟斤拷锟斤拷锟截岋拷锟剿拷锟矫擄拷锟斤拷影锟,锟結(ji锟斤拷)锟斤拷锟斤拷锟絘(ch锟斤拷n)锟斤拷锟紿锟斤拷r,锟狡讹拷锟斤拷锟絕锟斤拷锟斤拷锟斤拷墓锟剿囷拷贫锟,锟皆滿锟斤拷锟斤拷锟絘(ch锟斤拷n)锟斤拷要,锟斤拷
4.1 锟斤拷锟斤拷锟狡讹拷
锟斤拷锟斤拷(j锟斤拷)锟斤拷鋼岋拷锟紿锟斤拷r锟皆硷拷锟斤拷锟絔锟斤拷锟缴憋拷锟斤拷锟斤拷,锟斤拷锟150t LF鋼帮拷锟斤拷锟斤拷锟絫锟斤拷锟较岋拷锟紿锟斤拷锟侥烇拷:石锟斤拷9锟斤拷13kg/t;螢石0.6锟斤拷1kg/t;锟紸(y锟斤拷)锟桔撅拷锟斤拷锟斤拷2kg/t;锟絏锟絓锟斤拷2kg/t,锟斤拷锟铰憋拷榘蹭搶锟斤拷H锟斤拷锟斤拷系锟缴分匡拷锟狡★拷锟节岋拷锟紿锟斤拷锟絘(ch锟斤拷n)锟斤拷還锟絣(f锟斤拷)锟紽(xi锟斤拷n),越锟斤拷锟斤拷锟斤拷锟,脫锟斤拷效锟斤拷越锟斤拷,锟斤拷锟,要锟斤拷锟剿拷M站锟斤拷锟斤拷锟斤拷锟斤拷锟絏锟斤拷脫锟斤拷,一锟轿給電猴拷要锟斤拷锟斤拷冒锟斤拷锟,锟斤拷
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锟侥
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CaO
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Al2O3
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FeO+Mn
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SiO2
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MgO
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锟斤拷鋼碉拷锟斤拷系锟缴凤拷
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55-60
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20-30
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锟斤拷1
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6-10
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5-8
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4.2 锟截讹拷锟狡讹拷
锟斤拷锟斤拷(j锟斤拷)锟斤拷锟紿锟斤拷r,锟斤拷锟揭拷锟斤拷MLF锟斤拷锟斤拷站锟剿拷囟缺M锟斤拷锟斤拷锟斤拷1560锟斤拷,锟侥圖锟斤拷锟皆匡拷锟斤拷锟截度碉拷锟斤拷1560锟斤拷r,脫锟斤拷效锟绞岋拷锟斤拷锟斤拷锟紷锟斤拷锟斤拷,锟斤拷
4.3 锟斤拷鈹囷拷锟斤拷贫锟
锟介保锟紺脫锟斤拷去锟斤拷锟紸锟絪锟斤拷,要锟斤拷冶锟斤拷前锟斤拷脫锟斤拷r锟斤拷鈹囷拷鑿婏拷葹锟800NL/min,锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷脫锟斤拷;锟斤拷锟斤拷煞帧锟斤拷囟葧r锟斤拷鈹囷拷鑿婏拷葹锟400锟斤拷500NL/min;喂锟斤拷锟斤拷锟斤拷軟锟斤拷锟借強锟饺烇拷50锟斤拷100NL/mim,锟斤拷锟斤拷锟斤拷露锟剿猴拷锟,锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟,锟斤拷锟斤拷LF锟絫處锟斤拷锟絕锟斤拷锟斤拷,锟斤拷锟藉攪锟借強锟饺岋拷脫锟斤拷效锟斤拷锟叫很忥拷锟斤拷影锟,锟斤拷锟铰圖锟斤拷示锟斤拷状锟斤拷鍞囷拷鑿婏拷锟街革拷锟(sh锟斤拷)锟絚脫锟斤拷锟绞碉拷锟絇(gu锟斤拷n)系锟斤拷锟絊锟斤拷锟斤拷锟藉強锟饺碉拷锟斤拷锟斤拷,脫锟斤拷锟斤拷锟斤拷锟斤拷,锟斤拷锟斤拷锟斤拷锟藉強锟斤拷指锟斤拷(sh锟斤拷)锟絖锟斤拷20锟絩,脫锟斤拷锟斤拷锟絖锟斤拷85%锟斤拷锟斤拷,锟斤拷
5锟斤拷锟斤拷藝效锟斤拷
锟斤拷(j锟斤拷ng)锟絕锟斤拷锟斤拷锟斤拷脫锟斤拷藝锟斤拷,锟斤拷鋼第讹拷锟斤拷軋锟絊150t LF鋼帮拷锟斤拷锟斤拷锟絫脫锟斤拷r锟絞锟斤拷锟紷锟絪锟斤拷,锟斤拷(j锟斤拷ng)锟斤拷锟絗锟絲锟,锟杰滿锟斤拷冶锟斤拷锟斤拷锟斤拷鋼種[S]≤0.005%锟斤拷要锟斤拷,锟铰憋拷锟紽(xi锟斤拷n)锟斤拷冶锟斤拷锟斤拷锟斤拷鋼旓拷(sh锟斤拷)锟斤拷(j锟斤拷)锟統(t锟斤拷ng)計锟斤拷記锟,脫锟斤拷锟绞筹拷锟絕80%,锟絝锟斤拷目前锟斤拷锟矫碉拷锟斤拷脫锟斤拷藝锟斤拷锟斤拷之锟斤拷效锟斤拷,锟斤拷
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锟絫號
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锟斤拷锟斤拷前S锟斤拷锟斤拷
|
锟斤拷锟斤拷锟斤拷S锟斤拷锟斤拷
|
脫锟斤拷锟斤拷
|
|
1
|
0.021
|
0.003
|
85.7
|
|
2
|
0.016
|
0.0019
|
88.1
|
|
3
|
0.015
|
0.0026
|
82.7
|
|
4
|
0.013
|
0.0018
|
86.2
|
|
5
|
0.017
|
0.0020
|
88.2
|
|
6
|
0.018
|
0.0022
|
87.8
|
|
7
|
0.013
|
0.0016
|
87.7
|
|
8
|
0.011
|
0.0025
|
77.2
|
|
9
|
0.014
|
0.0027
|
80.7
|
|
10
|
0.014
|
0.0027
|
85.7
|
|
平锟斤拷
|
0.015
|
0.0023
|
85.0
|
6,锟斤拷锟結(ji锟斤拷)論
1)通锟絕锟斤拷锟斤拷CaO-SiO2-Al2O3-MgO锟斤拷系锟侥堿锟饺猴拷Al2O3锟斤拷锟斤拷,锟缴斤拷锟酵爐锟斤拷锟斤拷锟斤拷論锟斤拷锟絚,锟斤拷锟狡爐锟斤拷锟斤拷锟斤拷锟斤拷,锟矫碉拷锟紸锟斤拷锟斤拷2.6锟斤拷锟斤拷,锟斤拷锟斤拷锟斤拷锟斤拷锟矫碉拷锟斤拷,锟絤锟斤拷锟斤拷脫锟斤拷
2)锟斤拷锟斤拷锟斤拷锟斤拷FeO锟侥猴拷锟斤拷锟角岋拷锟紽(xi锟斤拷n)锟斤拷锟斤拷锟斤拷脫锟斤拷锟斤拷P(gu锟斤拷n)锟絀锟絟(hu锟斤拷n)锟斤拷(ji锟斤拷),锟紻(zhu锟斤拷n)锟絫锟斤拷锟斤拷(y锟斤拷ng)锟斤拷取锟斤拷施锟組锟斤拷锟絧锟斤拷锟斤拷锟斤拷锟斤拷,锟斤拷锟斤拷锟斤拷锟,LF锟絫锟斤拷锟斤拷虝r锟絞锟斤拷(n锟斤拷i)锟斤拷冒锟斤拷锟,锟介實锟紽(xi锟斤拷n)锟斤拷锟斤拷锟斤拷脫锟斤拷(chu锟斤拷ng)锟斤拷锟斤拷锟矫的條锟斤拷,锟斤拷
3)锟斤拷LF處锟斤拷锟絕锟斤拷锟斤拷,锟斤拷锟絟(hu锟斤拷n)锟斤拷(ji锟斤拷)锟斤拷锟藉攪锟借強锟饺的匡拷锟狡岋拷脫锟斤拷效锟斤拷锟叫很达拷锟接帮拷,锟斤拷锟,锟斤拷锟斤拷锟斤拷锟狡达拷锟藉強锟斤拷也锟角匡拷锟斤拷锟斤拷脫锟斤拷藝锟斤拷锟絇(gu锟斤拷n)锟絀锟斤拷锟斤拷,锟斤拷
使锟斤拷微锟斤拷“锟斤拷一锟斤拷”锟斤拷锟斤拷锟斤拷锟斤拷“锟斤拷锟絭锟絟(hu锟斤拷n)锟斤拷锟絎(w锟斤拷ng)”
