pig iron can be easily obtained by processing of iron ore in a cupola b bessemer converter c open hearth furnace d blast furnace

Jan 20, 2021·Pig ironis an intermediate product of theironindustry in the production of steel, also known as crudeiron, which isobtainedby smeltingiron orein ablast furnace.Pig ironhas 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

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  • www.mcq4exam.com mechanical engineering

    www.mcq4exam.com mechanical engineering

    b)Bessemer converterc)Pudding furnaced) Blast furnaceAnswer: c Explanation: Iron from its pig iron form is converted to wrought iron inpuddingfurnace. As pig iron is very weak in strength hence it can not be used for practical purpose. 38. Steel can beeasily obtainedin: a)Cupolab)Blast furnacec)Pudding furnaced)Bessemer converterAnswer: d Explanation: Iron from itspig ironform is converted to steel in Bessemerconverter.Aspig iron…

  • steel manufacturing process explored bessemer, open

    steel manufacturing process explored bessemer, open

    Apr 21, 2011·Open HearthProcess: The specialty ofopen-hearthfurnaces is the extreme heat thatcanbeobtainedfrom them due to their regenerative process. The charge ofpig iron, steel scrap,iron ore, and flux are together kept in a shallow container with a flame burning above it

  • engineering materials 2 objective questions and answer

    engineering materials 2 objective questions and answer

    b) Less than.c) More than.d) None of these . Q5. The fuel used in ablast furnaceis. a) Coal.b) Coke.c) Wood.d) Producer gas . Q6. The coke in the charge ofblast furnace. a) Controls the grade ofpig iron.b) Acts asiron-bearing mineral.c) Supplies heat to reduceoreand melt theiron.d) Forms a slag by combining with impurities . Q7

  • how to manufacture steel 8 processes metallurgy

    how to manufacture steel 8 processes metallurgy

    Thisprocessmakes use of pear shaped iron converter which is supplied withpig ironmelted in a cupola. Theconverteris lined with fire bricks andcanrevolve about the horizontal turn ions. The bottom is pierced by a number of tuyeres connecting with wind box underneath and made detachable since the wear on it is particular is very severe

  • iron processing britannica

    iron processing britannica

    Iron processing, use of a smelting process to turn theoreinto a form from which productscanbe fashioned.Included in this article also is a discussion of the miningof ironand of its preparation for smelting.Iron(Fe) is a relatively dense metal with a silvery white appearance and distinctive magnetic properties. It constitutes 5 percent by weight of the Earth’s crust, and it is the

  • building materials ferrous and non ferrous steel iron

    building materials ferrous and non ferrous steel iron

    BESSEMERPROCESS. The pig iron is first melted in Cupola furnace and sent toBessemer converter. Blast of hot air is given to oxidize the carbon. Depending upon the requirement, some carbon and manganese is added to the converter and hot air is blasted once again. Then the molten material is poured into moulds to form ingots

  • iron processing article about iron processing by the

    iron processing article about iron processing by the

    Cast Iron Cast ironis made whenpig ironis remelted in small cupola furnaces (similar to the blast furnace in design and operation) and poured into molds to make castings. It usually contains 2% to 6% carbon. Scrap iron or steel is often added to vary the composition

  • www.mcq4exam.com mechanical engineering

    www.mcq4exam.com mechanical engineering

    37. Wroughtiron can be easily obtained by processing iron ore in: a) Cupola b)Bessemer converter c) Puddingfurnace d)Blast furnaceAnswer:cExplanation:Ironfrom itspig ironform is converted to wroughtironin puddingfurnace. Aspig ironis very weak in strength hence itcannot be used for practical purpose. 38. Steelcan be easily

  • puddling (metallurgy) wikimili, the best wikipedia reader

    puddling (metallurgy) wikimili, the best wikipedia reader

    TheBessemerprocess was the first inexpensive industrial process for the mass production of steel from moltenpig ironbefore the development of theopen hearth furnace. The key principle is removal of impurities from theironby oxidation with air being blown through the molteniron. The oxidation also raises the temperature of theironmass and keeps it molten

  • how tomanufacture steel 8 processes metallurgy

    how tomanufacture steel 8 processes metallurgy

    Thefurnaceused in this process resembles a reverberatoryfurnace. Herepig ironis melted in thefurnaceand large quantity of scrapironor steel is dissolved in the liquid bath. The source of heat is heated air and coal gas. Inopen hearth furnacea great economy in fuel isobtainedby the utilisation of heat of the hot gases of combustion

  • iron processing article aboutiron processingby the

    iron processing article aboutiron processingby the

    Ironores are refined in theblast furnace blast furnace, structure used chiefly in smelting. The principle involved in this means of extracting metals is that of the reduction of the ores by the action of carbon monoxide, i.e., the removal of oxygen from the metal oxide in order to obtain the metal

  • us3336132a stainless steel manufacturing process and

    us3336132a stainless steel manufacturing process and

    US3336132A US350297A US35029764A US3336132A US 3336132 A US3336132 A US 3336132A US 350297 A US350297 A US 350297A US 35029764 A US35029764 A US 35029764A US 3336132 A US3336132 A US 3336132A Authority US United States Prior art keywords chromium carbon oxygen silicon metal Prior art date 1964-03-09 Legal status (The legal status is an assumption and is not a …

  • (pdf)design of steel structures subramanian narayanan

    (pdf)design of steel structures subramanian narayanan

    Theconverteris tilted and is charged with moltenpig ironfrom aCupola furnaceor sometimes directly from theblast furnace. (Theconverteris mounted on two horizontal trunnions as shown in Fig. 1.1, so that itcanbe tilted or rotated at any suitable angle.) 2

  • us2669446a cupola furnace google patents

    us2669446a cupola furnace google patents

    US2669446A US287895A US28789552A US2669446A US 2669446 A US2669446 A US 2669446A US 287895 A US287895 A US 287895A US 28789552 A US28789552 A US 28789552A US 2669446 A US2669446 A US 2669446A Authority US United States Prior art keywordscupolaslag hollow metalfurnacePrior art date 1951-07-17 Legal status (The legal status is an assumption and is not a legal …

  • steelglossary glossary of terms platts

    steelglossary glossary of terms platts

    Hot end refers to stages in which metal is either molten, or is solid butcanonly be worked at elevated temperatures. So it includes theblast furnaceandconverter(iron orebased steelworks), and electric arcfurnace(scrap based steelmaking), along with any secondary metallurgy stages, casting and hot rolling

  • (pdf)metallurgical furnaces andri kabarubun

    (pdf)metallurgical furnaces andri kabarubun

    Academia.edu is a platform for academics to share research papers

  • guide to steel and stainless steel descriptions, types

    guide to steel and stainless steel descriptions, types

    500B.C.: Wootz steel is produced in India using a clap potblast furnaceThe 1300’s: low-quality steel produced by the Egyptians called blister steel The 1400’s: Metallurgists removed impurities from castironthrough remelting through a process called “refining” which produced a malleable steel

  • ironmaking ss coke (fuel) blast furnace

    ironmaking ss coke (fuel) blast furnace

    The typeof ironbeing produced.D hearth=0.32 V0.45. 31 A very approximate relationship between the coke burning rate andhearthdiameter is given by the following equation:D=cQ 0.5D=hearthdiameter, m Q = coke throughput, tonnes/24hc= throughput coefficient which varies between 0.2-0.3 depending upon burden preparation. 32

  • steel project gutenberg self publishing ebooks read

    steel project gutenberg self publishing ebooks read

    Steel: | | ||| | The |steel cable| of a |colliery| |winding t... World Heritage Encyclopedia, the aggregation of the largest online encyclopedias available, and the

  • the metallurgy ofsteel sciencedirect

    the metallurgy ofsteel sciencedirect

    MetI~ods : P i E andOre, and ~crap.--There are two methods employed in makingsteelin theOpen Hearth furnace. In the first methodpig ironalone is melted and decarbonized withore; in the second, besides thepig ironcharged, wroughtironeither in blooms or muck bar, and scrap, are used to reduce the carbon of thepig

  • trace pollutant emissions from the processingof metallic ores

    trace pollutant emissions from the processingof metallic ores

    2.4.4Pig IronProduction 12}Blast furnace- Theblast furnacereduces theiron oreto producepig iron.Iron-bearing materials (iron ore, sinter pellets, mill scale,open hearthor basic-oxygen-process slag,ironor steel scrap), coke, and fluxes are charged into 2-20

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