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Argon Oxygen Decarburization Process
Argon Oxygen Decarburization Process Argon oxygen decarburization (AOD) is a process primarily used in production of stainless steel and other high grade alloys such as silicon steels, tool steels,...
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Refractory lining of blast furnace
Refractory lining of blast furnace A modern blast furnace (BF) is refractory lined to protect the furnace shell from the high temperatures and abrasive materials inside the furnace. The refractory...
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Refractories for Basic Oxygen Furnace
Refractories for Basic Oxygen Furnace The main objective in the development of refractories for basic oxygen furnace (BOF) is to get a useful lining life of the wear lining so as to obtain maximum...
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Steel Teeming Ladle and its Refractory Lining
Steel Teeming Ladle and its Refractory Lining Steel teeming ladle (STL) is needed in a steel plant to contain and transport liquid steel from the steel making furnace to the casting facility. These...
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Production Process for Shaped Refractories
Production Process for Shaped Refractories Refractory products can be shaped (formed) or shapeless (monolithics/castables). They can be made of acidic, neutral, basic or composite materials. The...
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Refractory castables
Refractory castables Refractory castables comprise a large and diverse group of materials in the family of monolithic (shapeless) refractories. Their use has grown significantly in the past 30 years....
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Silica Refractories
Silica Refractories Silica refractories were first produced in United Kingdom in 1822 from Ganister (caboniferous sandstone) or from so called Dinas sand. Silica occurs in a variety of crystalline...
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Fireclay Refractory Bricks
Fireclay Refractory Bricks Fireclay refractory bricks are manufactured from unfired refractory bond clay and fireclays (chamotte), fired refractory clay or similar grog materials . Fireclay...
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Improved Designs and Campaign Life of a Blast Furnace
Improved Designs and Campaign Life of a Blast Furnace The cost of rebuilding or relining a blast furnace (BF) is very high. Hence techniques to extend BF campaign lives are important and need to be...
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Importance of Hearth, Dead man and Tapping in Blast Furnace Operation
Importance of Hearth, Dead man and Tapping in Blast Furnace Operation A trend of deterioration in ore quality is seen these days with the increasing demand for iron ore. The deterioration in ore...
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Refractories and Classification of Refractories
Refractories and Classification of Refractories Refractories are inorganic, nonmetallic, porous and heterogeneous materials composed of thermally stable mineral aggregates, a binder phase and...
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Refractories for a Reheating Furnace
Refractories for a Reheating Furnace Refractories are inorganic, nonmetallic, porous and heterogeneous materials composed of thermally stable mineral aggregates, a binder phase and additives. They are...
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Alumina and its Role in Iron and Steelmaking
Alumina and its Role in Iron and Steelmaking Alumina is a chemical compound of aluminum (Al) and oxygen (O2) with the chemical formula aluminum oxide (Al2O3). It is the most commonly occurring of...
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Guniting Refractory Maintenance and Guniting Refractories
Guniting Refractory Maintenance and Guniting Refractories Guniting of refractory materials has evolved in importance with modern steelmaking technology, and largely because of it. Guniting was seen by...
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Rotary Kiln
Rotary Kiln A rotary kiln is an inclined, rotating cylindrical reactor through which a charge moves continuously. The rotary kiln is a thermal processing furnace used for processing solid materials...
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Formation of Scaffold in Blast Furnace Shaft
Formation of Scaffold in Blast Furnace Shaft The term scaffold is used when there is accretion or scab formation on the blast furnace (BF) wall which causes a decrease in the cross sectional area of...
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Hot Blast Stove Refractories
Hot Blast Stove Refractories Hot blast stove is used to preheat air used in the blast furnace. It works as a counter-current regenerative heat exchanger. It consists of tall, cylindrical steel...
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