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Modern blast furnace ironmaking : an introduction /

Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Geerdes, Maarten
Autor Corporativo: IOS Press
Otros Autores: Toxopeus, Hisko, Vliet, Cor van der
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Amsterdam : IOS Press, ©2009.
Temas:
Acceso en línea:Texto completo
Tabla de Contenidos:
  • Title Page; Preface; Contents; List of Symbols and Abbreviations; Introduction of the Blast Furnace Process; What is driving the furnace?; The equipment; Book overview; The Blast Furnace: Contents and Gas Flow; The generation of gas and gas flow through the burden; Furnace efficiency; An example of gas flow and contents of a blast furnace; The Ore Burden: Sinter, Pellets, Lump Ore; Introduction; Iron ore; Quality demands for the blast furnace burden; Sinter; Pellets; Lump ore; Interaction of burden components; Coke; Introduction: function of coke in the blast furnace.
  • Coal blends for coke makingCoke quality concept; Coke size distribution; Mechanical strength of coke; Overview of international quality parameters; Injection of Coal, Oil and Gas; Coal injection: equipment; Coal specification for PCI; Coal injection in the tuyeres; Process control with pulverised coal injection; Circumferential symmetry of injection; Gas and oil injectants; Burden Calculation and Mass Balances; Introduction; Burden calculation: starting points; An example of a burden calculation; Process calculations: a simplified mass balance; The Process: Burden Descent and Gas Flow Control.
  • Burden descent: where is voidage created?Burden descent: system of vertical forces; Gas flow in the blast furnace; Fluidisation and channelling; Burden distribution; Coke layer; Ore layer thickness; Erratic burden descent and gas flow; Blast furnace instrumentation; Blast furnace daily operational control; Blast Furnace Productivity and Efficiency; The raceway; Carbon and iron oxides; Temperature profile; What happens with the gas in the burden?; Oxygen and productivity; Use of metallic iron; How iron ore melts; Circumferential symmetry and direct reduction; Hot Metal and Slag.
  • Hot metal and the steel plantHot metal composition; Silicon reduction; Hot metal sulphur; Slag; Hot metal and slag interactions: special situations; Casthouse Operation; Objectives; Liquid iron and slag in the hearth; Removal of liquids through the taphole; Typical casting regimes; Taphole drill and clay gun; Hearth liquid level; Delayed casting; No slag casting; One
  • side casting; Not dry casts; Defining a dry hearth; Oxygen lancing; Cast data recording; Special Situations; Fines in ore burden; Moisture input; Recirculating elements; Charging rate variability; Stops and start
  • ups.
  • Blow
  • downBlow
  • in from new; Glossary; Annex I Further Reading; Annex II References; Annex III Rules of Thumb; Annex IV Coke Quality Tests; Index.