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Rotary Kiln Process Of Making Sponge Iron Chapter

rotary kiln calciner hatch ltd

Rotary Kiln Calciner Hatch Ltd

rotary kiln process of making sponge iron chapter Rotary kiln Operation and construction details A schematic diagram of the rotary kiln of sponge iron process considered for the present work is shown in Fig. 1. The rotary kiln consists of a rotating cylindrical shell lined inside with refractory material.

SPONGE IRON Lloyds Metals

Sponge Iron Lloyds Metals

Process. Sponge iron making is a process in which iron ore lumps typically 5mm-18mm size are tumbled with a select grade of iron-coking coal little dolomite inside an inclined rotary kiln and control combusted in the presence of air for about 12 hours before the products are air cooled, magnetically separated, screened and size wise in ...

SPONGEIRON Shakambhari Group

Spongeiron Shakambhari Group

Sponge Iron, also known as Direct Reduced Iron is produced from Hematite Iron ore 5 to 18 mm size by removing the oxygen by direct reduction process using non coking coal as the fuel and reducing agent in Rotary Kiln. Sponge iron is rich in Metallic Iron Pure Iron with

Process of making steel by melting sponge iron in an

Process Of Making Steel By Melting Sponge Iron In An

As is shown in FIG. 1, iron ore 2 is charged to a rotary kiln 1 and reduced therein to sponge iron. In a separating stage 4, the solids 3 discharged from the rotary kiln 1 are separated into sponge iron 5 and surplus carbonaceous solids.

The Effect of Reduction Time and Size Distribution of

The Effect Of Reduction Time And Size Distribution Of

Apr 29, 2016 A rotary kiln is a tool used to reduce low-grade iron ore and produce sponge iron with a high metallization. This process is in accordance with the Indonesian government policies that regulate the minimum value of percentage of sponge iron metallization for export, i.e. 85. In this research, sponge iron is made of a mixture of Lampung iron ore ...

PROCESS FOR PRODUCING SPONGE IRON FRIED KRUPP

Process For Producing Sponge Iron Fried Krupp

The sponge iron issuing from the rotary kiln is subjected to a size separation operation by screening to remove the fraction under 3 millimeters. This minus fraction is fed back to the sinter mixer. The oversize sponge iron is treated further as desired, for example in an arc furnace.

100 tpd sponge iron kiln process

100 Tpd Sponge Iron Kiln Process

sponge iron products - girth gear for sponge iron kiln for 100 . oem manufacturer of products girth gear for for 300 500 , support roller for rotary - 350 - 500 , bimetallic segments for 500- -75-50 and vibrating screen for 500- -75-50 offered by jv electromech, hyderabad, telangana.

Primary air for 500 tpd dri rotary kiln

Primary Air For 500 Tpd Dri Rotary Kiln

Rotary Kiln Process of Making Sponge Iron - New Age International i System of sealing to prevent air ingress into the reactor,. ii System ... 2.2 A concise schematic representation of a rotary kiln sponge iron plant. Fig. 2.1 Key steps in .... vogue, are Jindal Process 50, 350 and 500 tpd,. SIIL Process 100 tpd,... More details Get Price

PDF i Direct Reduced Iron Production

Pdf I Direct Reduced Iron Production

Mar 30, 2016 discussion is restricted to the rotary kiln process only. Normally, the rotary kiln is 60125 m long L a n d 46 m in diameter D , and the L D ratio is about 1520.

Direct Reduction Iron and Steelmaking

Direct Reduction Iron And Steelmaking

The Reduction of Iron Ores, Scientific Basis and Technology. Ed. Spring-Verlag 1970,ISBN 3-540-05056-6, pp. 1-576. International Iron and Steel Institute. Present economics of direct reduction challenges the blast furnace route to steel. Volume II Direct reduction processes with special emphasis on the melting of sponge iron.

Energy survey of the coal based sponge iron industry

Energy Survey Of The Coal Based Sponge Iron Industry

Sep 01, 2015 In the sponge iron process concentrated and finely divided iron ore is reduced in solid phase into sponge iron at high temperatures in rotary kiln. The process is very energy demanding. In order to identify the largest losses and to find ways to increase the efficiency, an energy survey of the sponge iron plant was carried out for a number of ...

WELSPUN STEEL LIMITED

Welspun Steel Limited

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 metallization removal of oxygen, which is the ratio of metallic iron to the total iron present in the product. ... For the direct reduction of iron ore the main furnace used is rotary kiln. The ...

CARBONIZATION STUDY OF NON COKING COALS AND

Carbonization Study Of Non Coking Coals And

1.2 Different routes of iron making 3-4 1.3 Factors to be Considered for Selection of Coal in Sponge Iron making 4-5 1.4 Schematic representation of rotary kiln process 6 1.5 State-wise Coal reserves in India 7-8 1.6 Grading of Indian coal 8 1.7 Production and export of iron ore during last decade 9

SPONGE IRON INDUSTRY

Sponge Iron Industry

2.05 Historical Development of Sponge Iron Making Sponge iron provided the main source of iron for many centuries before the blast furnace was developed. In historic times, sponge iron was produced in shallow hearths, which used charcoal as reductant fuel. The product of these early smelting process was a sponge mass of coalesced granules of nearly

PDF Modeling of Rotary Kiln for Sponge Iron Processing

Pdf Modeling Of Rotary Kiln For Sponge Iron Processing

Modeling of Rotary Kiln for Sponge Iron Processing Using CFD package ANSYS 13.0 A Thesis Submitted for Partial Fulfillment of the Degree Award Of MASTER OF TECHNOLOGY In CHEMICAL ENGINEERING Under the supervision of

SPONGE IRON PLANT

Sponge Iron Plant

The process proposed to be adopted is the rotary kiln proposes using Non-coking coal and iron ore. Iron are undergoes the following reduction reaction in all the processes Fe2o3 2 CO 2 Fe 3 Co2 As shown in above reactions, carbon monoxide is reducing gases. These reducing gases can be obtained by controlled combustion

PDF Operation of CoalBased Sponge Iron Rotary Kiln to

Pdf Operation Of Coalbased Sponge Iron Rotary Kiln To

Also, the process conditions in a sponge iron rotary kiln are dynamic in nature. Hence, the quality keeps fluctuating and is not a constant value. A mathematical mass ...

A Thesis Submitted for Partial Fulfillment of the Degree

A Thesis Submitted For Partial Fulfillment Of The Degree

3.3 Schematic of optimised Rotary kiln sponge iron making process 21 4.1 Industrial view of Sponge Iron making Rotary Kiln 24 4.2 Schematic view of internal heat exchange in Rotary kiln 26 4.3 Schematic view of Lobe Blower. 27 4.4 Schematic view of Air amp material flow in Rotary kiln 27 4.5 Filling of Bed Geometry 28

Comprehensive Utilization of IronBearing Converter Wastes

Comprehensive Utilization Of Ironbearing Converter Wastes

Nov 05, 2018 The sponge iron is discharged to the cooler drum from the end of the rotary kiln. The temperature inside the rotary kiln is in the range of 10001100 C, and the retention time inside is about 59 h. After that, the sponge iron at high temperature is discharged to the fixed screen and sent to the cooler drum to be cooled.

Energy Audit Methodology of Sponge Iron

Energy Audit Methodology Of Sponge Iron

Jul 14, 2014 Most of the plants in India use DRI processa solid state direct reduction process by which iron ore is reduced to sponge without phase change Figure 1. Raw material mix-iron ore, dolomite and coal are fed to one end of rotary Kiln and product sponge iron along with char is taken out from the other end. Apart from this, primary

Bhagwati Sponge Private Limited

Bhagwati Sponge Private Limited

1x350 TPD DRI Kilns for production of 1,65,000 TPA Sponge Iron. So, the final will be 2,25,000 TPA Sponge Iron. Manufacturing Process The plant uses the coal based process in which pellet is reduced with non-coking type imported coal in a rotary kiln to make sponge iron.

Effluent and Emission Standards for Sponge Iron Plant

Effluent And Emission Standards For Sponge Iron Plant

Sep 01, 2018 The Sponge Iron Plant are free to explore other options possibilities to use char for generation of power. Char can be sold to local entrepreneurs for making coal briquettes. It can also be mixed with coal fines, converted to briquettes and used in brick kilns.

Alternative routes to iron making

Alternative Routes To Iron Making

Contents 10.6 Kiln Off GasSystem 174 10.7 CentralStartup BurnerSystem 174 10.8 Coal Blowing 174 10.9 WasteHeatRecovery 175 ReviewQuestions 175 References 176 Chapter 11 RotaryKilnBurden 177-183 11.1 Introduction 177 11.2 Particle Size Distribution 177 11.3 Coal RequirementCalculation 177 Review Questions 182 References 183 Chapter12 CommissioningandOperation ofRotaryKiln 184

Sponge Iron in Solitaire Complex Ahmedabad

Sponge Iron In Solitaire Complex Ahmedabad

The Rotary Kiln process is a well-established process for production of coal based DRI Lumps. The process, in general, salient features of the various rotary kiln processes available now for commercial exploitation, and the process selected are discussed in this chapter. In this process a refractory lined Rotary Kiln of 42 Mtr long is used for ...

Recovery and utilization of waste heat in a coal based

Recovery And Utilization Of Waste Heat In A Coal Based

Coal-based sponge iron process The process of the direct reduction of haematite in a rotary kiln is schematically described in the Fig. 1. Haematite and non-coking ... gas from ESP outlet to rotary kiln an insulated duct, which is a hollow cylinder of 43m length and 0.6m diameter, is used. To

Accretion Control in Sponge Iron Production Kiln using

Accretion Control In Sponge Iron Production Kiln Using

2. Kiln Based Sponge Iron Production Process Rotary kilns are found in many processes that involve processing of solids. This study focuses on sponge iron kiln based process. The chemical process involved in making sponge iron removes oxygen from iron ore by using a reducing agent in the form of non-coking coal 5.

rotary kiln process of making sponge iron chapter 3

Rotary Kiln Process Of Making Sponge Iron Chapter 3

Apr 10, 2013 rotary kiln process of making sponge iron chapter 3. Posted at April 10, 2013 4.7 - 4393 Ratings ... Hot Products Used for rotary kiln process of making sponge iron chapter 3 hpc cone crusher pew jaw crusher pfw impact crusher vsi crusher scm ultrafine mill lm vertical mill.

Accretion Control in Sponge Iron Production Kiln using

Accretion Control In Sponge Iron Production Kiln Using

This study focuses on sponge iron kiln based process. The chemical process involved in making sponge iron removes oxygen from iron ore by using a reducing agent in the form of non-coking coal Patra et al, 2005. The reduction process is carried out in an inclined horizontal rotary kiln, which rotates at a programmed speed.

SPONGE IRON PRODUCTION FROM ORE COAL

Sponge Iron Production From Ore Coal

However, Rotary kiln process suffers from serious limitations like low productivity and pollution. In this respect fixed bed Tunnel kiln furnace are evolving as an alternative to Rotary kiln process. Iron ore fines and the low grade beneficiated iron ore cake are directly used for manufacturing of sponge iron in tunnel kilns.

CN1818081A Production of sponge iron Google Patents

Cn1818081a Production Of Sponge Iron Google Patents

The invention is about the producing method of the sponge iron. The process is 1 make the material into the double iron oxide ball 2 put the double iron oxide ball and the reductant into the reaction tank to get the sponge iron ball mass 3 put the mass into the thermal insulating flume to separate the reductant, to remove the C, S,O in the protection of the N2 or the H2 to produce the ...

Sponge Iron Plant Manufacturers and Sponge Iron

Sponge Iron Plant Manufacturers And Sponge Iron

The coal base DRI rotary kiln process for production of DRI Sponge Iron has its many parameters to increase the quality as well as productivity which need careful operations throughout the process. Number of DRI processes came up and rotary kiln process with solid coal as fuel found to be most acceptable process in the world.

iron plant process flow diagram

Iron Plant Process Flow Diagram

Jun 09, 2018 SPONGE IRON PLANT. Most solid reduction process use non-coking coal as reducing agent due to abundantly available non-coking coal. The process proposed to be adopted is the rotary kiln proposes using Non-coking coal and iron ore. Iron

The Effect of Reduction Time and Size Distribution of

The Effect Of Reduction Time And Size Distribution Of

A rotary kiln is a tool used to reduce low-grade iron ore and produce sponge iron with a high metallization. This process is in accordance with the Indonesian government policies that regulate the minimum value of percentage of sponge iron metallization for export, i.e. 85. In this research, sponge iron is made of a mixture of Lampung iron ore ...

sponge iron production tunnel roller BINQ Mining

Sponge Iron Production Tunnel Roller Binq Mining

Apr 28, 2013 buy Rotary Kiln for Sponge Iron high quality Manufacturers . DRI tunnel kiln for sponge iron the capacity of the kiln or turnkey plant can be more .rotary kiln apply in the metallurgy ,the steel and iron,the chemical industry. . Which is easy to make the plane of roller and kiln tire surface to keep parallel More detailed

literature review for rotary kiln

Literature Review For Rotary Kiln

A Review on the Applications of Rotary Kiln in Various. A rotary kiln is a cylinder that rotates around its cylindrical axis and essentially operates as a device to exchange heat the direct heated rotary kiln is broadly used for physical activation construction and position alignment of the kiln is very important for all the process.