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a punt a product of waste that comes from a blast furnace during the process of extracting iron from the iron ore

solid waste management in a steel plant– ispatguru

solid waste management in a steel plant– ispatguru

Sep 29, 2014 · Blast furnace iron making. Solid wastes generated during the blast furnace (BF) iron making process are dusts, burden screenings at the stock house, cast house runner jam, cast house muck, blast furnace slag, flue dust, GCP dust or sludge, refractory waste, and hot metal (HM) ladle skull

blast furnace| metallurgy | britannica

blast furnace| metallurgy | britannica

Blast furnaces produce pig iron from iron ore by the reducing action of carbon (supplied as coke) at a high temperature in the presence of a fluxing agent such as limestone.Ironmaking blast furnaces consist of several zones: a crucible-shaped hearth at the bottom of the furnace; an intermediate zone called a bosh between the hearth and the stack; a vertical shaft (the stack) that extends from

steel production residues- jernkontoret

steel production residues- jernkontoret

Nov 19, 2018 · The briquettes may comprise the following: blast furnace flue dust, revert scrap and mill scale sludge. These materials render a raw material for the blast furnace that includes iron, limestone and carbon. No less than 80 per cent of the residual products are utilised. Examples of areas of application for residual products are:

gcse chemistry - extraction ofironin theblast furnace

gcse chemistry - extraction ofironin theblast furnace

Limestone is calcium carbonate (Ca CO 3) and it is added to the blast furnace to remove the impurities in the iron ore. Calcium carbonate is decomposed by heat in the furnace to give calcium oxide (quicklime) and carbon dioxide

steel production &environmental impact

steel production &environmental impact

The most common process is the use of a blast furnace to produce pig iron which is about 92-94% iron and 3-5% carbon with smaller amounts of other elements. Pig iron has only limited uses, and most of this iron goes on to a steel mill where it is converted into various steel alloys by further reducing the carbon content and adding other elements such as manganese and nickel to give the steel specific properties

(pdf)mining & mineral processing utilization of iron

(pdf)mining & mineral processing utilization of iron

This not only reduces the cost of waste disposal and environmental pollution, but also gives a substantial amount of iron ore, flux material as well as fuel rate benefits to the existing process

theory and practice of sintering of iron ore– ispatguru

theory and practice of sintering of iron ore– ispatguru

Nov 25, 2018 · Sintering of iron ore is a generic term which is used to describe the process whereby a sinter mix (raw mix or green mix) of iron ore fines, fluxes, fuel (coke breeze) and plant return fines (e.g. mill scale, blast furnace dust, and returned sinter fines etc.) are converted into a …

pigirondressingprocess

pigirondressingprocess

Pig iron is an intermediate product of the iron industry, also known as crude iron, which is obtained by smelting iron ore in a blast furnace.Pig iron has a very high carbon content, typically 3.8–4.7%, along with silica and other constituents of dross, which makes it very brittle and not useful directly as a material except for limited applications

howironis made - material, manufacture, making, history

howironis made - material, manufacture, making, history

The process of extracting iron from ore produces great quantities of poisonous and corrosive gases. In practice, these gases are scrubbed and recycled. Inevitably, however, some small amounts of toxic gases escape to the atmosphere. A byproduct of iron purification is slag, which is produced in huge amounts

the history of iron casting part1 - the c.a. lawton co

the history of iron casting part1 - the c.a. lawton co

Apr 17, 2019 · Pig iron is a term used to describe the crude and brittle iron that comes directly from the blast furnace. In 1783, Cort patented grooved rollers that allowed iron bars to be made more quickly with a more economic process he called the rolling technique. Previously used methods consisted of hammering or cutting strips from a rolled plate

miningwaste| special wastes | wastes | us epa

miningwaste| special wastes | wastes | us epa

Mineral processing waste streams typically bear little or no resemblance to the materials that entered the operation, producing product and waste streams that are not earthen in character. For more information on the management of mineral processing wastes, visit EPA's Office of Enforcement and Compliance Assurance Mineral Processing Wastes Web

metal extraction processes for electronic wasteand

metal extraction processes for electronic wasteand

The reduction process is conducted in blast furnaces with the help of coke where molten lead with about 85% purity is tapped from the bottom of the furnace. The plastics fraction of e-waste can partially replace coke as a reducing agent during the reduction stage, and the metals fraction ends up in the metal phase

development of waste plastics injection process in blast

development of waste plastics injection process in blast

At Keihin No. 1 Blast Furnace, waste plastics recycling system was installed in Oct. 1996. Before the installation of that system, the behavior of waste plastics injected into the blast furnace

the history of iron casting part1 - the c.a. lawton co

the history of iron casting part1 - the c.a. lawton co

Apr 17, 2019 · In 1783, Henry Cort developed two methods for extracting impurities from iron, turning it from pig iron to wrought iron, and allowing large-scale production of non-brittle iron. Pig iron is a term used to describe the crude and brittle iron that comes directly from the blast furnace