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Heat and Mass Transfer in Reduction Zone of Sponge …
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. Simultaneous mass and energy
Tunnel Sponge Iron Kiln Process
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Recovery and utilization of waste heat in a coal based sponge iron …
Rotary Kiln (1050 C) Kiln air at 30 C Flue gas Fly ash Fines of iron ore at 900 oC Kiln Feeding Iron ore: Feed coal: Dolomite All at 30 C Rotary Cooler Sponge iron (magnetic) At 110 oC Water: at 30 oC DSC 900 C 1020 C Dust: ABC Air: WHRB Waste gas Water:
Building Materials Equipment - Belgaum rotary kiln …
PDF Performance of Dolomite Calcination in a Bench The temperature of rotary kiln was varied between 700 and 1000 C while the particle size of dolomite was varied between 0149 – 0297 mm and up to 10 – 15 mm The temperature distribution Read More
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Operability Analysis of Direct Reduction of Iron Ore by …
2016/1/1· DIRECT REDUCTION OF IRON ORE BY COAL IN A ROTARY KILN In the direct reduction process, iron ore is fed along with coal into a rotary kiln. The kiln is mounted at a slight inclination to the horizontal and is rotated at a slow speed (â‰ˆ 0.5 rpm).
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CARBONIZATION STUDY OF NON COKING COALS AND CHARACTERISATION OF THEIR PROPERTIES FOR APPLIION IN SPONGE IRON MAKING …
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
Sponge Iron – Prakash Industries Limited
In the solid reduction process iron ore is converted into DRI in a rotary kiln fired by non-coking coal. Iron ore, coal and dolomite in pre-measured quantities are fed into the kiln, which is rotated at a speed of about 0.5 RPM. A temperature of 1,000 to 1,050 degrees is
Development of energy conservations scenarios for …
This paper presents an approach to find the best modifiion in the coal-based sponge iron process with an aim to integrate energy in it. For this purpose, a few energy conservation cases are formulated by integrating unutilized energy present in possible areas of process flow sheet. When unutilized energy of the process is properly integrated, energy demand from outside sources can be
DESIGN OF WASTE HEAT RECOVERY SYSTEM IN A SPONGE IRON …
iv CONTENTS Acknowledgement ii Abstract iii Contents iv List of Table viii List of Figures x 1. Introduction 1 2. Literature Review 2.1 DRI Process of Sponge Iron making 2.1.1 Introduction 2.1.2 Raw Materials 2.1.3 Theory 2.1.4 Commercial Processes 184.108.40.206
ENVIRONMENTAL - ASPECTS OF THE DIRECT REDUCTION ROUTE TO STEEL MAKING
for Sponge Iron Production, prepared for UN1DO (See UNEP/WG/I.S.7). Potential Pollution Problems Met With in Sponge Iron Production Based on Direct Reduction, compiled from data of the Environmental Protection Agency in the USA
“DEPHOSPHORIZATION OF STEEL PRODUCED FROM SPONGE IRON …
Steel making in India is branched into two sections specifically primary route and secondary route. In the primary route of steel making iron ore is used as raw material. In the first stage iron ore is melted in a blast furnace to produce hot metal, and in second
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Coal Based Direct Reduced Iron_Rotary kiln DR_ …
The iron ore and coal crushed and screened to respective sizes are fed to rotary kiln through feed nozzle in pre-determined ratio. The rotary kiln is slightly inclined at an angle 1.5 deg and rotated by AC variable drive at a variable speed ranging form 0.2-1.0 rpm.
Pollution in the sponge iron industry 1 2. DRI, or directly reduced iron is a method of producing solid iron from iron oxide
Operation Procedure Of Sponge Iron Rotary Kiln
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Building Materials Equipment - 350 tpd rotary kiln …
Process Making Sponge Iron Rotary Kiln MGM In the first phase one 350 TPD rotary kiln and 8MW power plant have been missioned and are operating smoothly SPONGE IRON PLANT Sponge iron plant or Direct Reduction Plant DRP is designed to produce
CASTABLES AND REFRACTORIES FOR CEMENT & DRI SPONGE IRON …
4 SPONGE IRON INDUSTRY Low Cement Castables Sharadaa Refcast LC45 / LC DRI / LC 80 Velcrete 013A for Standard Requirement, Veclrete 003 for Premium Requirement Standard Products for KILN Velcrete 013A Velcrete 003 Duct Lining Repair Castables
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350 tpd sponge iron rotary kiln, gas from ESP outlet to rotary kiln , sponge iron 350 tpd kiln design , This page is about technical data of50 tpd dri kiln in calcutta west bengal
hoganas process tunnel kiln - BINQ Mining
Articles – Production of Sponge Iron through Tunnel Kiln Process …Tunnel Kiln Process.Hoganas has developed a process in 1908, which uses coal as a reductant. The carbothermic reduction of iron ore takes place in horizontal … »More detailed