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Waste Heat Recovery Technologies

Waste Heat Recovery Technologies Waste heat is the energy which is associated with waste streams of air, exhaust gases, and/or process products which leave a process and enter the atmosphere. It is the energy which is generated in various processes and which is not put into any practical use and is lost or wasted into …

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Fuel Combustion and Heat Transfer in a Furnace

Fuel Combustion and Heat Transfer in a Furnace Heat is needed in a furnace for heating of the furnace charge (material to be heated in the furnace) and sometimes for the chemical reactions. The three sources of heat energy are (i) combustion of fuels, (ii) electric energy, and (iii) chemical energy available through the exothermic …

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Abnormalities and Failures of Rolling Mill Rolls

Abnormalities and Failures of Rolling Mill Rolls Rolls are changing parts of a rolling mill which are used to reduce the cross section and shape of the material being rolled. They are highly stressed parts of a rolling mill and are subject to wear. They are used both in the flat product mills as well …

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Metallurgy of Rolling mill Rolls

Metallurgy of Rolling mill Rolls Rolls are implements or tools used in rolling mills to reduce the cross section of the material being rolled. They are highly stressed tools and are subject to wear. They are needed both for the rolling of sectional as well as flat products. In recent past, rolling technology has improved …

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Utilization Optimization of Ferroalloys during Steelmaking

Utilization Optimization of Ferroalloys during Steelmaking Ferroalloys are alloys of iron with a high percentage of one or more of other elements such as silicon (Si) and manganese (Mn) etc. They are brittle and unsuitable for direct use in fabricating of products of use. Ferroalloys are important raw materials for the steelmaking process. They are …

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Main Features of a Modern High Capacity Blast Furnace

Main Features of a Modern High Capacity Blast Furnace The performance of an integrated steel plant is highly dependent on the performance of its ironmaking units. In integrated steel plants, production of hot metal (HM) in a blast furnace (BF) is a preferred route globally for ironmaking. The specific cost of steel production is highly …

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Rolling of steel and major equipment in a Cross-country Rolling Mill

Rolling of steel and major equipment in a Cross-country Rolling Mill Most of the steel products are rolled from the cast products from continuous casting machine through a series of rolling and finishing operations. The process is called simple rolling, when two rolls of equal diameter and with axis lying in same plane rotate in …

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Enamel Coating on Steel

Enamel Coating on Steel The art and science of fusing glasses (now known as porcelain enamels or simply enamels) to the surfaces of metals dates back to the civilizations of ancient Egyptians and Persians. The earliest use was for jewelry where the enamel was fused to gold. By the middle-ages, the range of metals capable …

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Fusion Bonded Epoxy Coating of Steel

Fusion Bonded Epoxy Coating of Steel Fusion bonded epoxy (FBE) coating of steel materials is primer less, one-part, heat curable, thermosetting powdered epoxy coating which is designed to provide maximum corrosion protection to the substrate steel. It is a coating of very fast curing, thermosetting protective powder which utilizes heat to melt and adhere the …

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Tinplate and Process of Tinning

Tinplate and Process of Tinning Tinning or tinplating is the process of thinly coating sheet or strip of steel with tin (Sn), and the resulting product is known as tinplate. Tinplate is light gauge, cold-reduced low-carbon steel sheet or strip, coated on both faces with commercially pure tin. It combines the strength and formability of …

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