HIsmelt熔融还原技术课件

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,-,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,-,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,-,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,-,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,-,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,-,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,-,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,-,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,-,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,-,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,-,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,-,*,HIsmelt,熔融还原技术,Smelt Reduction Technology-HIsmelt,汇报人：贾利军,Presentor:Jia Lijun,-,HIsmelt熔融还原技术Smelt Reduction,1,汇报内容,Content,1,HIsmelt,技术简介,HIsmelt introduction,2,HIsmelt,工艺技术优势,Technical advantage of HIsmelt,3,生产情况介绍,Plant operation experience,4,工艺流程的优化,Optimization of process,5,结论,Conclusion,-,汇报内容Content1 HIsmelt技术简介HIsme,2,1.1,引言,Background,HIsmelt,炼铁工艺是已实现工业化生产的熔融还原炼铁技术之一，属于当今冶金领域前沿技术，经过三十多年的研究开发和生产实践，工艺技术逐渐成熟。,As one of the commercialized smelt reduction iron-making technology,HIsmelt has evolved to a mature solution after thirty years of research and development.,HIsmelt,炼铁工艺技术是利用非焦煤及铁矿粉采取喷射方式生产液态铁，是解决我国焦煤资源贫乏和环保问题的先进炼铁技术。,HIsmelt uses non-coking coal and iron ore fines,which offers a solution to the coking coal scarcity and environmental problem in China.HIsmelt,炼铁工艺在澳大利亚奎那那工厂从,2005,年至,2008,年已有,3,年的生产实践。由于,HIsmelt,技术上的优势，吸引了全球钢铁行业的目光，受世界金融危机影响，,HIsmelt,奎那那示范厂,2008,年年底停产，且不再复产。,HIsmelt Kwinana plant in Australia had run fours years from 2005 to 2008 and it successfully demonstrated the advantage of this technology.It was forced to shut down due to global economic crisis.,国内某公司自,2004,年以来一直致力于新炼铁工艺、技术、装备的研究，在,2012,年决定利用部分,HIsmelt,奎那那工厂设备，并通过进一步优化工艺流程，建设新的,HIsmelt,熔融还原炼铁生产厂。,A Chinese company,who has been focusing on the research of innovative iron-making technology,process and equipment,decided to build a HIsmelt plant in China.This plant uses some of the Kwinana equipment,but also makes some modification by optimizing the existing process.,-,1.1 引言 Background HIs,3,1.2 HIsmelt,工艺描述,HIsmelt Process Description,煤气室,烟道,上部燃烧区,渣口,水冷板,喷泉及渣层,残铁口,热风喷枪,水冷板,天然气喷枪（或煤枪）,固体喷枪,带内衬前置炉,带内衬的前置炉通道,带内衬的炉底,铁水熔池,渣区冷却器,-,1.2 HIsmelt工艺描述 HIsmelt Proc,4,煤中碳素溶于铁水,矿石溶于渣中,carbon in the coal dissolve in the bath,含铁原料被还原成液态铁水；,Iron-bearing material is reduced to liquid iron,脉石和灰份被从矿石和煤中分离形成炉渣；,gang and ash from ore and coal form slag,工艺反应产生的煤气与热风进行二次燃烧,产生,热能；,process gas combust with hot blast to produce energy,渣与铁水液体把能量带入熔池以维持反应。,metal and slag droplet bring part of the energy back to the bath to sustain the reaction,SRV,熔融还原炉中发生的反应为,：,Reaction in the SRV:,-,SRV 熔融还原炉中发生的反应为：Reaction in,5,1.3 HIsmelt,工艺流程,HIsmelt process flow,Iron ore,dolomite,dryer,Pre-reduction kiln,Cyclone,Bag house,Dust injection,Coal mill,Coal,lime,Granulated slag,Coal mill,Ore injection,coal injection,limel injection,Iron recovery,Slag granulation,Ladle car,Steel mill,Pig caster,Knock out vessel,Convective cooler,Waste gas,FGD,Cyclone de-dusting,Stoves,boiler,FGD,Suck fan,Oxygen plant,Electrical blower,scrubber,Hot gas generator for the coal mill,Generator,-,1.3 HIsmelt工艺流程 HIsmelt proc,6,HIsmelt,工艺技术优势,Advantages of HIsmelt,投资成本低：与传统的炼铁技术相比，,Lower capital cost compared with traditional blast furnace due to:,HIsmelt,不需要焦炉和烧结厂或球团厂,，因此建设成本降低；,HIsmelt eliminates coke oven,sinter plant and pellet plant,HIsmelt,工艺中的许多设备和设施,，,如热风炉、喷煤系统,、发电,等都是高炉炼铁工艺常用的设施，因此工厂建设相对比较简单,，,HIsmelt shares many common equipment used in blast furnace,such as hot blast stoves,generator etc.,HIsmelt,技术所使用的原料比较灵活，因此无需大型原料,混匀,场，极大降低了,HIsmelt,工厂的占地面积。,HIsmelt is flexible in raw materials selection and no blending facility is needed.,-,HIsmelt工艺技术优势 Advantages of HI,7,2 HIsmelt,工艺技术优势,Advantages of HIsmelt,操作成本低：,Lower operational cost,直接使用,矿粉,和,煤粉,作为原燃料炼铁,，不,用焦炭,、球团和烧结。,HIsmelt uses,iron ore fines,and,coal,directly;no coke,sinter or pellet will be needed.,-,2 HIsmelt工艺技术优势 Advantages,8,更大的原料灵活性,Great flexibility in raw material,：,HIsmelt,技术可直接喷吹传统高炉烧结厂不宜使用的低品位铁矿粉。,HIsmelt can use low grade iron ore fines which otherwise can not be used by the blast furnace sinter plant.,-,更大的原料灵活性Great flexibility in r,9,铁水质量稳定，,磷含量很低，基本不含硅，因此可进行少渣炼钢，,降低炼钢成本,。,Stable hot metal quality,low P content,almost no silicon;so less slag is needed in the steel mill and thus reducing steel mill cost,铁水成分,Chemistry,HIsmelt,BF,C,4.00.15%,4.5%,Si,0.01%,0.50.3%,Mn,0.02%,0.40.2%,P,0.020.01%,0.090.02%,S,0.10.05%,0.040.02%,温度,Temperature/,1430-1450,14501500,Himselt,工艺与高炉生产铁水成分对比,HIsmelt Hot Metal vs.BF Hot Metal,铁水质量好,Superior hot metal quality,-,铁水质量稳定，磷含量很低，基本不含硅，因此可进行少渣炼钢，降,10,降低环境影响，通过变革性的工艺创新，取消焦炉、烧结，,HIsmelt,极大的降低了,SO2,和,NOx,、基本遏制二恶英、焦油和酚的排放。,Almost no emission of dioxins,phenols or tars due to the revolutionary process and elimination of coking oven and sintering process.,更绿色环保的炼铁技术,Less Environmental Impact,-,降低环境影响，通过变革性的工艺创新，取消焦炉、烧结，HIsm,11,3,生产情况介绍,Production Experience,3.1,奎纳纳情况概览,Kwinana summary,从,2005,年,11,月开始了为期,3,年的达产运行：,2006,年底实现,50%,，,2007,年实