slrn process of sponge iron making


SLRN process

WELSPUN STEEL LIMITEDRotary Kiln Manufacturers | Electrotherm E&TCoal Based Rotary Kiln for Direct Reduced Iron / Sponge Iron (100 TPD, 350 TPD, and 500 TPD) Solid-state reduction of Iron Ore using either coal/gas as a medium of reduction to produce a substitute raw material for steel making is termed as Direct Reduced Iron (DRI).

sponge iron production by direct reduction slrn pdf

sponge iron production by direct reduction slrn. slrn process of sponge iron making. Producing Iron With Slrn Process. The process principles are the basis for numerous rotary kiln plants and still represent the dominant technology for the direct reduction of lump ore or pellets using coal Operates with the widest range of ironbearing materials such as pellets lump ore beach sand …slrn sponge technology indonesia - cidal.es2021-12-31 · Rotary Kiln with SL/RN Process Coal Based Rotary Kiln for Direct Reduced Iron / Sponge Iron 100 TPD, 350 TPD, and 500 TPD Solid-state reduction of Iron Ore using either coal/gas as a medium of reduction to produce a substitute raw material for steel making is termed as Direct Reduced Iron DRI Since DRI is produced by removing oxygen from ....

Sponge iron by the HyL process | SpringerLink

2017-11-24 · With stress being placed upon expanding steel capacity, particularly in many areas lacking capital and coking coal, much attention has been turned toward techniques for the production of sponge iron. Such a material can be used as a substitute for scrap in steelmaking furnaces. This article is a first-hand description of the production and utilization of sponge iron …Powder Production Technologies - Powder Metallurgy …The sponge iron process. The longest established of these processes is the sponge iron process, the leading example of a family of processes involving solid state reduction of an oxide. In the process, selected magnetite (Fe3O4) ore is …

treatment of screen net in sponge iron plant

2012-11-1 · Sponge Iron Industry – Central Pollution Control Board. May 22, 2011 · Sponge iron plants based on … The cooled solids are discharge over a 5 mm screen The minus … (0.43 million BTU per net ton). The pilot-plant …»More detailedIS 15774 (2007): Sponge Iron/Directed Reduced Iron (DRI ...2018-12-25 · This standard has been formulated by amalgamating IS 10812:1992 ''Classification of sponge iron/direct reduced iron (DRI) fines/briquettes for steel making'', IS 13839: 1993 ''Specification for sponge iron/direct reduced iron (DRI) fines/briquettes for steel making'' and IS 13905:1993 ''Hot briquette sponge iron (HBI) for steel making''.

(PDF) i) Direct Reduced Iron: Production

2016-3-30 · This product is known as direct reduced iron (DRI) or sponge iron. Processes that produce iron by reduction of iron ore (in solid state) below the melting point are generally classified as DR ...Powder Production Technologies - Powder Metallurgy …The sponge iron process. The longest established of these processes is the sponge iron process, the leading example of a family of processes involving solid state reduction of an oxide. In the process, selected magnetite (Fe3O4) ore is …

Process of making steel by melting sponge iron in an ...

Sponge iron produced by direct reduction is melted in an electric arc furnace, in which a pool of liquid metal is maintained. To ensure that liquid carbon-containing iron for forming the pool is available in adequate quantities and that the process can be carried out with the highest possible economy, the sponge iron is reacted in an electric arc furnace on a bath of liquid carbon …(PDF) i) Direct Reduced Iron: Production - ResearchGate2016-3-30 · This product is known as direct reduced iron (DRI) or sponge iron. Processes that produce iron by reduction of iron ore (in solid state) below the melting point are generally classified as DR ...

Energy Audit Methodology of Sponge Iron …

2018-12-29 · Energy Audit, DRI Process, Sponge Iron, Kiln Efficiency, Sankey Diagram of Kiln, Coal Balancing 1. Background of This Study Sponge iron industries in India have mandatory energy performance target in terms of specific energy consump-tion (SEC). They shall have to achieve the target SEC by 31st March, 2015. The non-performing industries areHeat 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.

producing iron with slrn process

Apr 27, BINQ Mining >Crusher and Mill, Print ppt on slrn process of dri making, (HBI/sponge iron) production Steel,, slrn process of sponge iron. Live Chat » SL/RN processOutotec producing iron with slrn process In the standard SL/RN process, iron ore, coal, and dolomite or limestone asthe SL/RN-Xtra direct reduction.SPONGE IRON PLANT2018-9-24 · 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 - 5-20 mm Oversize - < 5 % max

Iron

2014-1-14 · Sponge iron powder . The Höganäs process is a direct reduction method for production of sponge iron powder using magnetite ore (Fe3O4) and carbon as raw materials. The reduction process takes place in a gas fired tunnel kiln at around 1200°C for 60 hours producing a sponge iron cake that is crushed, milled andHeat 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.

How sponge is made

Artificial sponges were first developed by the Du Pont company—a leader in synthetic materials manufacturing industry that also invented nylon—in the 1940s. Three DuPont engineers patented the cellulose sponge process, and DuPont held onto the secret until 1952, when it sold its sponge technology to General Mills.Process for making iron sponge pellets containing silicon ...A process for making iron sponge from iron ores containing at least 95% by weight of iron oxide comprising, pulverizing the iron ore to extremely fine grain size, mixing the pulverized iron ore with fine-grained silicon carbide, pelletizing the so obtained mixture, and subjecting the …

sponge iron making process

Slrn Process Of Sponge Iron Making India Xsm. Slrn Process Of Sponge Iron Making India Xsm. 2013718crusher machine for sale the xsm is professional ore crushing machinery companythe companys crushers machine for sale main stone crushergrinding millsand making machinemobile crusher and other equipmentcrusher machine we sell an. morethere will Saudi.The Making of Iron & Steel2020-8-3 · The BOS process uses pure oxygen, injected by a lance, for refining the relatively impure hot metal (and scrap is used for temperature control). The electric arc furnace uses primarily electrical energy to supply heat to melt scrap steel, sponge iron, or mixtures of scrap and other iron units. Compared to the BOS process, the EAF requires

(PDF) i) Direct Reduced Iron: Production

2016-3-30 · This product is known as direct reduced iron (DRI) or sponge iron. Processes that produce iron by reduction of iron ore (in solid state) below the melting point are generally classified as DR ...IS 15774 (2007): Sponge Iron/Directed Reduced Iron (DRI ...2018-12-25 · This standard has been formulated by amalgamating IS 10812:1992 ''Classification of sponge iron/direct reduced iron (DRI) fines/briquettes for steel making'', IS 13839: 1993 ''Specification for sponge iron/direct reduced iron (DRI) fines/briquettes for steel making'' and IS 13905:1993 ''Hot briquette sponge iron (HBI) for steel making''.

The Making of Iron & Steel

2020-8-3 · The BOS process uses pure oxygen, injected by a lance, for refining the relatively impure hot metal (and scrap is used for temperature control). The electric arc furnace uses primarily electrical energy to supply heat to melt scrap steel, sponge iron, or mixtures of scrap and other iron units. Compared to the BOS process, the EAF requiresIronmaking Process - an overview | ScienceDirect Topics · The ironmaking process in the blast furnace is a heat and mass transfer process, and the furnace can be divided into different zones according to physical and chemical state of the feed and temperature. Figure 1.1.5 illustrates various zones of the blast furnace and feed distribution and materials flow [13] rresponding to each temperature interval, typical …

SLRN process

The process principles are the basis for numerous rotary kiln plants and still represent the dominant technology for the direct reduction of lump ore or pellets using coal. Operates with the widest range of iron-bearing materials, such as …sponge iron production by direct reduction slrn pdfsponge iron production by direct reduction slrn. slrn process of sponge iron making. Producing Iron With Slrn Process. The process principles are the basis for numerous rotary kiln plants and still represent the dominant technology for the direct reduction of lump ore or pellets using coal Operates with the widest range of ironbearing materials such as pellets lump ore beach sand …

PRESENT STATE OF THE SL / RN PROCESS AND ITS …

2012-1-9 · tons of sponge iron. The great influence of the prices of iron bearing materials and the minor influence of the capital costs on production costs of sponge iron, as mentioned before, is clearly shown in this figure. After the main factors constituting the sponge iron price have been represented in Figures 5 and 6, the influence of the sponge ironSponge IronThe process of sponge iron manufacturing involves removal of oxygen from iron ore. When that happens, the departing oxygen causes micro pores in the ore body, turning it porous. When the eventual product is observed under a microscope, it resembles a honeycomb structure, which looks spongy in texture. Hence the name sponge iron.

Process for making iron sponge pellets containing silicon ...

A process for making iron sponge from iron ores containing at least 95% by weight of iron oxide comprising, pulverizing the iron ore to extremely fine grain size, mixing the pulverized iron ore with fine-grained silicon carbide, pelletizing the so obtained mixture, and subjecting the …Direct Reduced Iron Industry in India — Problems and …2012-12-18 · `the quality requirements for the rotary kiln sponge iron process. The sponge iron fines generation is high and ranges from 15 — 30% depending upon the ore used due to high reduction degradation. This will not only reduce the sales realization of the product but also will lead to accretion formation in the kiln shortening the campaign life.

WELSPUN STEEL LIMITED

Sponge iron is a metallic product produced through direct reduction of iron ore in the solid state. It is a substitute for scrap and is mainly used in making steel through the secondary route. The 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 .. onmaking Process - an overview | ScienceDirect Topics · The ironmaking process in the blast furnace is a heat and mass transfer process, and the furnace can be divided into different zones according to physical and chemical state of the feed and temperature. Figure 1.1.5 illustrates various zones of the blast furnace and feed distribution and materials flow [13] rresponding to each temperature interval, typical …

How sponge is made

Artificial sponges were first developed by the Du Pont company—a leader in synthetic materials manufacturing industry that also invented nylon—in the 1940s. Three DuPont engineers patented the cellulose sponge process, and DuPont held onto the secret until 1952, when it sold its sponge technology to General Mills.A Thesis Submitted for Partial Fulfillment of the Degree ...2012-5-29 · 1.1 Image of a Sponge Iron Granule 2 1.2 Microscopic view of sponge iron 4 3.1 Material Balance in a Rotary Kiln sponge iron plant 14 3.2 Energy Balance in a Rotary Kiln sponge based iron making 14 3.3 Schematic of optimised Rotary kiln sponge iron making process 21 4.1 Industrial view of Sponge Iron making Rotary Kiln 24

PRESENT STATE OF THE SL / RN PROCESS AND ITS …

2012-1-9 · tons of sponge iron. The great influence of the prices of iron bearing materials and the minor influence of the capital costs on production costs of sponge iron, as mentioned before, is clearly shown in this figure. After the main factors constituting the sponge iron price have been represented in Figures 5 and 6, the influence of the sponge ironLow-Carbon Production of Iron & Steel: Technology …2021-3-8 · Electric Arc Furnace (EAF): This steel making process using electric arc to heat charged materials such as pig iron, steel scraps, and DRI product (also referred as sponge iron) with electricity as the only energy source. Today, EAF is the dominant approach for steel recycling (i.e., secondary steel production) and also contributes to primary ...

Rotary Kiln Process of Making Sponge Iron C

2009-4-15 · A typical process scheme for making sponge iron in a rotary kiln is presented in Fig. 2.1. While Fig. 2.1 shows only the key steps, a more detailed scheme, as it would appear for a typical operating plant, is presented in Fig. 2.2. 2.3 SPONGE IRON PILOT PLANT OF RDCIS SAIL The sponge iron Pilot Plant (SIPP) of RDCIS, SAIL, which would be ...sponge iron making process - goldenskills.plSlrn Process Of Sponge Iron Making India Xsm. Slrn Process Of Sponge Iron Making India Xsm. 2013718crusher machine for sale the xsm is professional ore crushing machinery companythe companys crushers machine for sale main stone crushergrinding millsand making machinemobile crusher and other equipmentcrusher machine we sell an. morethere will Saudi.

Process of making steel by melting sponge iron in an ...

Sponge iron produced by direct reduction is melted in an electric arc furnace, in which a pool of liquid metal is maintained. To ensure that liquid carbon-containing iron for forming the pool is available in adequate quantities and that the process can be carried out with the highest possible economy, the sponge iron is reacted in an electric arc furnace on a bath of liquid carbon …Rotary Kiln Process of Making Sponge Iron C2009-4-15 · A typical process scheme for making sponge iron in a rotary kiln is presented in Fig. 2.1. While Fig. 2.1 shows only the key steps, a more detailed scheme, as it would appear for a typical operating plant, is presented in Fig. 2.2. 2.3 SPONGE IRON PILOT PLANT OF RDCIS SAIL The sponge iron Pilot Plant (SIPP) of RDCIS, SAIL, which would be ...

IS 15774 (2007): Sponge Iron/Directed Reduced Iron (DRI ...

2018-12-25 · This standard has been formulated by amalgamating IS 10812:1992 ''Classification of sponge iron/direct reduced iron (DRI) fines/briquettes for steel making'', IS 13839: 1993 ''Specification for sponge iron/direct reduced iron (DRI) fines/briquettes for steel making'' and IS 13905:1993 ''Hot briquette sponge iron (HBI) for steel making''.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.

How sponge is made

Artificial sponges were first developed by the Du Pont company—a leader in synthetic materials manufacturing industry that also invented nylon—in the 1940s. Three DuPont engineers patented the cellulose sponge process, and DuPont held onto the secret until 1952, when it sold its sponge technology to General Mills.producing iron with slrn process - maratonczyk-sklep.plIron Carbide Process Energy input to the process is reported to be 126 GJ/t-product IPPC 2009 p500 Total CO 2 emissions from the process are reported to be 217 t CO 2 /t-steel Capital expenses for the process are estimated to be 3476/t-steel Production costs are estimated to be lower than other DRI processe Commercial Circored...

Slrn Process Outotec – Music Accoustic

2022-1-29 · Slrn process dri pdf marcopolosenago. the latest technology in the dri, china sponge iron,, pdf tunnel kiln sponge iron new technology, slrn process of sponge iron making india . slrn furnaces iran imsrcoin sponge iron production by direct reduction slrn pdf, a 500 000 tpy dri module using slrn technology, couk slrn process sponge iron in .slrn process of sponge iron making - escapade-rochepaule SLRN PROCESS OF SPONGE IRON MAKING . Section 3 Ironmaking Process Discussion and Grouping 3 1 Processes alternative iron sources eg direct iron reduction imported pig iron etc The primary between SL/RN 3 Finmet 2 and Other predominately Corex at 5 In the standard SL/RN process iron ore coal and dolomite or limestone as which allows customers to produce direct …

The Making of Iron & Steel

2020-8-3 · The BOS process uses pure oxygen, injected by a lance, for refining the relatively impure hot metal (and scrap is used for temperature control). The electric arc furnace uses primarily electrical energy to supply heat to melt scrap steel, sponge iron, or mixtures of scrap and other iron units. Compared to the BOS process, the EAF requiresIron - Manufacturing process related to the specified ...2014-1-14 · Sponge iron powder . The Höganäs process is a direct reduction method for production of sponge iron powder using magnetite ore (Fe3O4) and carbon as raw materials. The reduction process takes place in a gas fired tunnel kiln at around 1200°C for 60 hours producing a sponge iron cake that is crushed, milled and