function of li ne in pig iron processing

  • 116364638 Iron and Steel Manufacturing Process Ppt

    In this process the iron ore is first subjected to a sintering process. Sintering Process is the technology for agglomeration of iron ore fines into useful Blast Furnace burden material. The treated iron from the sintering plant is fed in to the Blast furnace along with coke. The blast furnace basically does the function of converting iron

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  • (PDF) Use of DRI/HBI in ironmaking and steelmaking furnaces

    The main plants involved in such a route hare been treated and the main process steps have been described sintering of the iron ores coal treatment to obtain the coke pig iron production by the

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  • limestone in pig iron processbrianzamotostoriche

    limestone in pig iron process. explain the function of limestone in the pig iron processing Pig_iron Pig iron is the immediate product of smelting iron ore with coke and limestone in a blast furnacePig iron has a very high carbon content typically 35 which makes it very brittle and not. Service Online iron production limestone

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  • How Does Pipeline Pigging Work Rigzone

    Inspection pigs also referred to as in-line inspection pigs or smart pigs gather information about the pipeline from within. .The type of information gathered by smart pigs includes the pipeline

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  • 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 onmaking 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

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  • Extraction of Iron Metallurgy Blast Furnace and Reactions

    This kind of iron is called Cast Iron and has a slightly lower carbon content 23 . This is even harder than pig iron. Wrought Iron/ Malleable Iron. Wrought Iron is the purest form of iron available commercially available and is prepared from cast iron by heating cast iron in a furnace lined with Haematite (Fe2O3).

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  • What is Ductile Iron Willman Industries

    Ductile Iron is a type of cast iron known for its impact and fatigue resistance elongation and wear resistance due to the spherical (round) graphite structures in the metal. Ductile Iron is also called ductile cast iron spheroidal graphite cast iron or nodular cast iron. Learn more

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  • The Bessemer ProcessWirral Model Engineering Society

    The Bessemer process was the first inexpensive industrial process for the mass-production of steel from molten pig iron. The process is named after its inventor Henry Bessemer who took out a patent on the process in 1855. The key principle is removal of impurities from the iron by oxidation with air being blown through the molten iron.

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  • Puddling (metallurgy)Wikipedia

    Puddling is a step in the manufacture of high-grade iron in a crucible or furnace. Known by the 1st century AD in the Han Dynasty of ancient China clarification needed it was advanced in Great Britain during the Industrial Revolution.There molten pig iron in a reverberatory furnace was stirred with consumable rods clarification needed resulting in a less brittle more purified steel.

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  • How Does Pipeline Pigging Work Rigzone

    Inspection pigs also referred to as in-line inspection pigs or smart pigs gather information about the pipeline from within. .The type of information gathered by smart pigs includes the pipeline

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  • DESULPHURIZATION OF STEEL AND PIG IRON

    informations on the effectiveness of the pig iron ladle metallurgy desulphurisation.This is realised using soda calcium carbonate lime and metallic magnesia. The effect of the pig iron desulphurisation with the mixture of highly sintered lime and metallic magnesia in proportion 7 3 performed in

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  • Direct Reduction Processan overview ScienceDirect Topics

    Contrary to the almost pure iron of meteoric origin manufactured iron (pig iron or hot metal) and steel are ferrous alloys of iron with carbon and further impurities (Fig. 12.3). Carbon lowers the melting point of iron from 1538 °C in pure iron to 1147 °C in the eutectic with 4.3 C. Carbon content in steel is up to 2.14 that corresponds

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  • DESULPHURIZATION OF STEEL AND PIG IRON

    informations on the effectiveness of the pig iron ladle metallurgy desulphurisation.This is realised using soda calcium carbonate lime and metallic magnesia. The effect of the pig iron desulphurisation with the mixture of highly sintered lime and metallic magnesia in proportion 7 3 performed in

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  • describe the processing of iron ore to pig iron

    UDC 669 . 054 . 82 669 . 184 . 244 . 66 Processing and As a byproduct of the manufacture of steel from iron ore iron/ steel slag originates from veinstone that is contained in the raw materials iron ore coal coke etc. and the flux that is added in the steelmaking refining process for removal of impurities Si P S etc. and composition adjustment.

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  • Process of producing pig iron from iron ore concentrate

    May 27 1986 · We claim 1. In a process for producing pig iron by reducing iron ore concentrate in which solid pre-reduced iron ore coal oxygen gas and slag formers are injected beneath the surface of a molten iron bath contained in a reactor vessel and react to produce said pig iron slag and exhaust gases including CO 2 CO H 2 and H 2 O the improvement comprising

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  • Production of pig ironschenckprocess

    Pig iron is produced in the blast furnace sector. The raw materials used include ore sinter coke lime and various aggregates. To ensure that the production process maintains a high and stable level of quality these materials have to be metered precisely and supplied to the blast furnace in batches. Teamwork. Process-controlled blast furnace

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  • Solved Question 2 A) What Are The Three Main Raw Materia

    Question Question 2 A) What Are The Three Main Raw Materials Needed In The Production Of Pig Iron In A Blast Furnace Process What Are The Functions Of Each Of These Raw Materials B) Explain Different Methods Used To Convert Pig Iron Into Molten Steel. B) Explain Different Methods Used To Convert Pig Iron Into Molten Steel C) Using The Aid Of Schematic Diagrams

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  • Solved Question 2 A) What Are The Three Main Raw Materia

    Question Question 2 A) What Are The Three Main Raw Materials Needed In The Production Of Pig Iron In A Blast Furnace Process What Are The Functions Of Each Of These Raw Materials B) Explain Different Methods Used To Convert Pig Iron Into Molten Steel. B) Explain Different Methods Used To Convert Pig Iron Into Molten Steel C) Using The Aid Of Schematic Diagrams

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  • The Role of Raw Materials in the Iron And Steel Industry

    Without the Iron and Steel industry no developmental endeavor will ever be complete. That is the reason why India is ranked as the third largest producer of raw Steel in 2014. In the same year or the year after it produced nearly 91 Million tonnes of total finished steel and about 10 Million tonnes of Pig Iron.

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  • What is a Basic Oxygen Furnace wiseGEEK

    May 11 2020 · A basic oxygen furnace (BOF) is the machinery used for purification of pig iron by oxidizing impurities into slag and converting the rest into molten steel with an injection of oxygen. It is the primary method used for steel production worldwide. The steel produced is chemically tested and may be further modified by the addition of alloys.

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  • SteelBessemer steel Britannica

    SteelSteelBessemer steel Bulk steel production was made possible by Henry Bessemer in 1855 when he obtained British patents for a pneumatic steelmaking process. (A similar process is said to have been used in the United States by William Kelly in 1851 but it was not patented until 1857.) Bessemer used a pear-shaped vessel lined with ganister a refractory material containing silica

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  • How Does Pipeline Pigging Work Rigzone

    Inspection pigs also referred to as in-line inspection pigs or smart pigs gather information about the pipeline from within. .The type of information gathered by smart pigs includes the pipeline

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  • Ironmaking 101From Ore to Iron with Smelting and Direct

    Oct 17 2017 · The reduced iron along with coal and lime is fed to a gasifier-melter which completes the reduction process and produces pig iron or hot metal of the same quality as a blast furnace. The reducing gases generated by the gasifier-melter are recycled to reduce the iron

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  • Puddling (metallurgy)Wikipedia

    Puddling is a step in the manufacture of high-grade iron in a crucible or furnace. Known by the 1st century AD in the Han Dynasty of ancient China clarification needed it was advanced in Great Britain during the Industrial Revolution.There molten pig iron in a reverberatory furnace was stirred with consumable rods clarification needed resulting in a less brittle more purified steel.

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  • WikizeroPig iron

    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.. The traditional shape of the molds used

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  • How hydrogen could change the face of steel production as

    The aforementioned new production process uses hydrogen instead of coke which also reacts with the oxygen in the iron ore but the result is water vapour rather than carbon dioxide. The hydrogen itself is produced climate-neutrally with electricity from renewables. As such the process could ultimately produce genuinely green steel .

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  • Pig iron production structure in JapanScienceDirect

    Therefore changes in the demand for these two inputs are likely to have a significant impact on Australia. The purpose of this paper is to investigate the production structure of the blast furnaces in Japan and factors affecting the demand for iron making raw materials. The empirical study is based on the generalized Leontief cost function.

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  • US4913733AProcess for producing pig ironGoogle Patents

    A process for producing pig iron is described involving the use of a reduction shaft furnace 1 and a melt-down gasifier 2. The sponge iron produced from iron ore in the reduction shaft furnace is fed into the melt-down gasifier and converted into a pig iron melt. The gas produced in the melt-down gasifier is passed as reducing gas into the reduction shaft furnace both via a cyclone separator

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  • The Open Door Web Site History The Industrial

    The pig iron could then either be reheated until it was molten and cast into moulds or heated and hammered into bars of wrought iron. Of the two wrought iron was more malleable and less brittle. Attempts had been made to use coal in the smelting process but the sulphur in the coal produced an iron which was too brittle for use.

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  • The Ironmaking Process New Zealand Steel

    The molten iron has a dissolved carbon content of approximately 3.6 as well as some silicon manganese vanadium and titanium. Slag which floats on top of the iron has the function of removing impurities from the iron and its chemical composition and temperature to a large extent determine the chemistry and hence quality of the iron.

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  • Pig ironWikipedia

    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.. The traditional shape of the molds used

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  • JPH06264120AProduction of pig ironGoogle Patents

    A method for producing pig iron which comprises mixing steel and hot metal of a blast furnace for use in a steelmaking process. Effect The hot metal of the vertical reduction melting furnace whose purity varies depending on the amount of impurities in scrap can be used to the maximum allowed for each steel type in the steelmaking process

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  • 9.14 The Kinetics Of The Rapid Reduction Of Feo In

    9.14 The kinetics of the rapid reduction of Feo in slag by carbon in pig iron have been studied at various temperatures. The values of percent Feo reduced as a function of time and temperature are given below Time min Percent Feo reduced 1430°C/1703 ) 1457°C (1730 x) 1488°C (1787 x) 1580°C (1853 x) 0 0 0 0 0 1.0 / 608) 33.93 42.46 56.35 78.00 53.23 71.16 88.52 1.5 (908) 47.52 2.0 (120

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  • (PDF) Use of DRI/HBI in ironmaking and steelmaking furnaces

    The main plants involved in such a route hare been treated and the main process steps have been described sintering of the iron ores coal treatment to obtain the coke pig iron production by the

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  • Nickel Pig Iron Processing

    Iron processing Britannica. Iron processing use of a smelting process to turn the ore into a form from which products can be fashioned cluded in this article also is a discussion of the mining of iron and of its preparation for smelting. Iron (Fe) is a relatively dense metal with a silvery white appearance and distinctive magnetic properties.

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  • The Bessemer converterHow It Works

    The key principle behind its operation was the removal of impurities such as silicon manganese and carbon through oxidation turning the brittle largely unusable pig iron into very useful steel. The oxidation of impurities occurred in a Bessemer converter a large egg-shaped container in which the iron

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