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Sponge Iron Making Process Diagram

Sponge iron plant,sponge iron, originating from iron ore, namely, silica and alumina and the sulphur and phosphorous contents adversely affect the economics in subsequent steel making operation. therefore, the ore should be high in iron content and low in gangue, physical specification size mm oversize max

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  • Sponge Iron Plant

    sponge iron, originating from iron ore, namely, silica and alumina and the sulphur and phosphorous contents adversely affect the economics in subsequent steel making operation. therefore, the ore should be high in iron content and low in gangue, physical specification size mm oversize maxjames speight ph.d d.sc in natural gas 2019. 8.5.1 iron sponge process. An example of a hydrogen sulfide scavenger process is the iron sponge process which is the oldest and still the most widely used batch process for sweetening of natural gas and natural gas liquids

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  • Direct Reduced Iron Process Tec Science

    In the electric steel process, the sponge iron obtained from the direct reduced iron process is used for crude steel making. In general, scrap is also added to this process as well as pig iron from the blast furnace process. these components are then mixed in a special oven. while the pig iron is already liquid, the sponge iron and the added krupp sponge iron process the krupp. sponge iron process uses a rotary kiln for the reduction of high grade lump ores or pellets the feed is introduced together with reducing and de-sulphurizing agents into an inclined rotary kiln, heated counter current to the flow of hot gas and reduced to form sponge

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  • Energy Audit Methodology Of Sponge Iron

    jul 14, 2014 energy audit, dri process, sponge iron, kiln efficiency, sankey diagram of kiln, coal balancing background of this study sponge iron industries in india have mandatory energy performance target in terms of specific energy consump-tion they shall have to achieve the target sec by march, 2015. the non-performing industries arethe process of sponge iron making aims to remove the oxygen from iron ore. the quality of sponge iron is primarily ascertained by the percentage of metallization which is the ratio of metallic iron to the total iron present in the product. sponge iron manufacture is highly sensitive to raw material characteristics.

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  • Pdf I Direct Reduced Iron Production

    this product is known as direct reduced iron or sponge iron. processes that produce iron by reduction of iron ore below the melting point are generally classified as DR the process reduces iron ore using a reforming gas made from natural gas. the dri is used mainly as the raw material for electric arc furnaces as a clean iron source substitute for scrap iron. pores are left behind in the dri after oxygen has been removed. these pores, if filled with water, for example, can cause the iron to reoxidize with

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  • Part Of History How Sword Making Works Howstuffworks

    charcoal is essentially pure carbon. the carbon combines with oxygen to create carbon dioxide and carbon monoxide carbon and carbon monoxide combine with the oxygen in the iron ore and carry it away, leaving a porous, sponge-like mass called a bloom. the bloom was then hammered to remove most of the iron processing, use of a smelting process to turn the ore into a form from which products can be fashioned.included in this article also is a discussion of the mining of iron and of its preparation for smelting. iron is a relatively dense metal with a silvery white appearance and distinctive magnetic properties. It constitutes percent by weight of the earths crust, and it is the

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  • Dri The Sponge Iron Industrie Full Video Youtube

    we are trying to take a look at the sponge iron industrie how we making sponge iron by coal based .if you like please subscribe and comment ,please commentnov 03, 2016 the direct reduction process. hbi is the product of reducing iron ore with natural gas. this is called the direct reduction process and is an production process; a dri plant uses natural gas which is more environmentally sound than coke. the reduction process takes place in the reduction tower.

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  • Heat And Mass Transfer In Reduction Zone Of Sponge Iron

    numerical prediction is performed on reduction zone of iron ore reactor which is a part of counter current gas-solid reactor for producing sponge iron. the aim of the present study is to investigate the effect of reduction gas composition and temperature on quality and capacity of sponge iron products through mathematical modeling arrangement and simulation.In the year 1908 use of tunnel kiln started for iron oxide reduction. this process was invented by e.sieurin as hoganas process In 1954, more kilns came in operation in sweden and usa. presently it is more popular in china for sponge iron production from beneficiated iron ore fines cakes. In this process, the material passes through

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  • Production Of Iron And Steel Powders

    hgans sponge-iron process and the water-atomizing process. the former process is based on reduction of iron ore, yielding a highly porous sponge-iron which subsequently is comminuted to powder. the latter process is based on atomization of a stream of liquid iron by means of a jet of pressurized water. both processes will be jul 28, 2013 sponge iron making process albertus septyantoko. corex process in iron making aditya singh. sponge iron industry susmitadasgupta. seminar on hyl process ghanesh kumar mahanta. alternative iron making processess indian institute of technology varanasi. direct reduced iron final.ppt

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  • Design Of Waste Heat Recovery System In A

    process uses coking coal. the dri process doesnt require coking coal and therefore is advantageous. In the present work waste heat recovery system is designed to integrate the heat of waste gas in the sponge iron process. for this purpose a case study of typical sponge iron production process is considered. the waste gas from a sponge iron direct-reduced iron also called sponge iron is produced from direct reduction of iron by a reducing gases produced from natural gas or coal. this reduction takes place in the temperature range 800- 1050 degrees when reducing gases; mainly hydrogen and carbon-monoxide; react with the iron oxides

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  • Ironmaking 101 From Ore To Iron With Blast Furnaces

    ironmaking blast furnace. iron is made by reacting iron ore coke and limestone in a blast furnace.. iron ores with lower iron content such as taconite are first processed to concentrate the iron level and drive off volatile impurities.mar 20, 2018 iron on glossy paper method. circuit by hand on pcb. laser cutting edge etching. since laser method is the industrial method to make pcbs, we will go into detail for the first two methods. pcb design: pcb design is usually done by converting your circuits schematic diagram into a pcb layout using pcb layout software. there are many cool open

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  • Tunnel Kiln Electrotherm Steel Making Solution

    these pellets are then used for making sponge iron. rotary kilns have a drawback upon the size and quality of iron ore that can be used. initially, when the process was first introduced, the ore with an iron content 65% was preferred and the preferred size of ore waskrupp-renn process a modern modification of the blooming process, by which iron is produced directly from ore it is intended for processing low-grade, poorly dressable, or polymetallic iron ores in rotary tube furnaces to produce bloom. the process was proposed by the german metallurgist johansen and was first performed at

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  • Blast Furnace Simple English Wikipedia The Free

    blast furnace is a special type of furnace for smelting iron from ore.blast furnaces are very large. they can be up to metres tall and metres in diameter.the blast furnace is the biggest chemical reactor.blast furnaces are also called high ovens.. blast furnace is usually built with a steel case and bricks made of magnesium oxide or other refractory material inside iron making. iron ore is produced in around countries in 2017, the largest producers were australia, brazil and china. around 98% of iron ore is used in steel-making. during the iron-making process, a blast furnace is fed with the iron ore, coke and small quantities of fluxes (minerals, such as limestone, which are used to collect

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  • Steel Basic Oxygen Steelmaking Britannica

    steel steel basic oxygen steelmaking: more than half the worlds steel is produced in the basic oxygen process which uses pure oxygen to convert a charge of liquid blast-furnace iron and scrap into steel. the basic oxygen furnace is a refractory-lined, tiltable converter into which a vertically movable, water-cooled lance is inserted to blow oxygen through nozzles at modern iron making. iron is manufactured in a blast furnace. first, iron ore is mixed with coke and heated to form an iron-rich clinker called sinter. sintering is an important part of the overall process as it reduces waste and provides an efficient raw material for iron making. coke is produced from carefully selected grades of coal.

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  • H2s Dry Scrubber Technology Proven Design Enhanced

    jun 25, 2020 iron sponge has been used to remove from gas streams for more than 100 years and the media is comprised of wood chips coated with iron hydroxide. splus systems are currently in use throughout the u.s. treating a variety of gas streams to remove & mercaptans and reduce SO view case studies. how It worksjun 21, 2016 primary steel making process. It is the process of making steel from carbon-rich molten pig iron. the process was introduced and developed in 1948 by robert durrer. however, voest and oamg commercialized this method in the name LD converter came after the name of the two austrian towns linz and donawitz.

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  • Japanese Swordsmithing Wikipedia

    formed in a bloomery process, the bloom of sponge iron begins as an inhomogeneous mixture of wrought iron, steels, and pig iron. the pig iron contains more than carbon. the high-carbon steel has about to 1.5% carbon while the low-carbon iron contains about 0.2%.direct reduced iron also called sponge iron, is produced from the direct reduction of iron ore to iron by a reducing gas or elemental carbon produced from natural gas or coal.many ores are suitable for direct reduction. direct reduction refers to solid-state processes which reduce iron oxides to metallic iron at temperatures below the melting

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  • Sponge Iron Making Process Linkedin Slideshare

    nov 09, 2014 sponge iron making process albertus septyantoko 0014 iron ore iron Si cao mgo sulphur 0,02 max phosphorus 0,04 max chemical composition size mm shatter index tumbler index reducibility index thermal degradation index physical compositionjul 29, 2010 In general sized iron ore of is used in the process of manufacture of sponge iron on all types of rotary kiln with not exceeding 0%.the mean particle size of iron ore shall be restricted to in order to achieve uniform Fe metallic of all grain size fraction of the product.

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  • Direct Reduction Process An Overview Sciencedirect Topics

    the direct reduction processes in combination with the melting of directly reduced iron to produce steel in the eaf offer an alternative to the bf-bof route. the basis of the direct reduction process is that solid sponge iron is produced by removing oxygen from the ore in a shaft furnace, rotary kiln furnace or fluidised bed. sponge iron can be mar 16, 2013 DR process, dri, hbi, iron making. metallization, reformed natural gas, residual elements, rotary kiln, direct reduced iron and its production processes. direct reduced iron is the product which is produced by the direct reduction of iron ore or other iron bearing materials in the solid state by using non-coking coal or natural gas.

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  • Iron Ore Processing For The Blast Furnace

    blast furnace process. the iron ore concentrate is now mixed and ready for the pelletizing process. pelletizing pellet plant contains a series of balling drums where the iron ore concentrate is formed into soft pellets, in much the same manner that one rolls a snowball, to make a pellet about the size of a marble

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