Mar 18 2013 India is the world's largest Sponge Iron producer and mostly uses the Coal based process Now as this Flyash contains considerable unburned carbon ( 10 and above) it cannot be utilized in cement manufacturing H22+CO gases +CO gases Iron Ore is heated to 900 C in a Rotary Kiln Iron Ore is heated to 900 C in a Rotary KilnChat Online
The equipments for sponge iron production are stand kiln square kiln ring kiln rotary kiln tunnel kiln and car bottom continuous furnace etc No matter what kind of kiln it is the working temperature is not very high alumina silica series refractory material will meet the furnace lining temperature requirement.Model NO Rotary Kiln Process of Making Sponge Iron Type Iron Making Equipment Certification ISO Lateritic Nickel Rotary Kiln Rotary Kiln for Laterite Nickel Ore Calcining Output 80 100 T H(Roasted Sand) Application Roasting Laterite Ores.
2D CFD model of rotary kiln of sponge iron process is developed to study the effects of angle of inclination number of rotation and mass flow rate of iron ore on output parameters.Numerical simulation of oxy coal combustion in a rotary cement kiln Applied Thermal Engineering 2016 103 491 500 DOI 10 1016 j applthermaleng 2016 04 028 Gajendra Kumar Gaurav Shabina Khanam Analysis of temperature profile and metallization in rotary kiln of sponge iron.
Energy Saving Used Sponge Iron Rotary Kiln For India Sale Find Complete Details about Energy Saving Used Sponge Iron Rotary Kiln For India Sale Rotary Kiln For India Sale Small Rotary Kiln Used Rotary Kiln from Cement Making Machinery Supplier or Manufacturer Henan Hongji Mining Machinery.Analysis of temperature profile and metallization in rotary kiln of sponge iron process through CFD Journal of the Taiwan Institute of Chemical Engineers 2016 63 473 481 DOI 10 1016 j jtice 2016 02 035 Mingyue Wang Bin Liao Yiqin Liu Shibo Wang Shan Qing Aimin Zhang Numerical simulation of oxy coal combustion in a rotary cement kiln.
[6 7] CFD predictions for cement rotary kilns including flame modelling heat transfer and clinker chemistry were made by Mastorakos et al [8 9] in which a comprehensive model for most of the processes occurring in a sponge iron rotary kiln was presented.CFD analysis of heat transfer in freeboard of rotary kiln was done with licence version of ANSYS 13 0 authorized by NIT Rourkela ANSYS 13 0 is an engineering simulation software (Computer Aided Engineering Kiln of a typical Sponge Iron producing plant having capacity 500 Tons Per Day was modelled and simulated with CFD package (ANSYS 13 0) This kiln is of length 80m and inner.
Keywords Sponge Iron Heat Transfer Rotary Kiln 1 Introduction In Rotary kiln carbon is charged from either end in one end in the form of coal particles and in another in form of coal lumps The coal reacts with air to form carbon monoxide which then reduces iron oxide (ore) to iron So in a kiln.Rotary kiln can be divided into cement kiln metallurgy chemical kiln and lime kiln according to different materials Cement kiln is used for making of cement clinker and there are dry and wet methods to make cement Metallurgy chemical kiln is used in metallurgy industry and ironworks for lean iron ore chromium ore and ferronickel ore calcimine.
Ing temperature change in a rotary kiln Keywords Rotary Kiln Cement Heat Loss Energy 1 Introduction In today’s world powering along the supply of raw materials cement production is the most important factor Cement production process is extremely timeconsuming  and the rotary kiln is the most important part of the.Sponge Iron Rotary Kiln Specifications Sponge iron is a kind of superior iron ore It can be got by oxidation reduction reaction In sponge iron rotary kiln vertical furnace and other reactor iron ore and other iron ore concentrates are reduced in low temperature condition and.
Support Roller can be used for DRI Sponge Iron Plants Cement Plant can be used for any Rotary Kiln or Rotary Cooler We can supply any Support Roller with Complete assembly consisting of Support Roller Shaft Bearingd Plumber Blocks with guaranteed Technical Specifications as per IS Standards.INTRODUCTION The rotary kiln process is a commonly practiced method in India for producing coal based sponge iron The iron ore along with coal is charged into the kiln and air tubes located along the length supply the air for combustion In the industry there have been many recent reports of premature failures of certain air tubes in a.
Simulation of Rotary Cement Kilns Using a One Dimensional Model Chemical Engineering Research and Design 2006 Vivek Ranade Download PDF Download Full PDF Package This paper A short summary of this paper 37 Full PDFs related to this paper READ PAPER.Abstract The qua lity of sponge iron produced in the c oal fired rotary kilns at TATA S teel L ong Products Limited (TSLPL) is permitted to vary in a small window of 80 83 Fe In order to adhere to.
Non coking coal is used as reluctant in the rotary kiln process The major quality requirements of coal for Sponge iron production are 1) Non coking characteristics 2) Low ash content 3) Low sulphur content 4) Good reactivity 5) High ash fusion temperature 6) Medium volatile matter.Jul 14 2014 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 and secondary airs are supplied to the Kiln to initiate the combustion and reaction processes The reaction takes.
Most of the plants in India use DRI process—a solid state direct reduction process by which iron ore is reduced to sponge without phase change 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 and secondary airs are.Rotary Kiln Cement Rotary Kiln and Sponge Iron Rotary Kiln Our cement rotary kiln and sponge iron rotary kiln has been developed for Integrated with variable speed drive process automation Analyses Of Different Modifications Proposed For The.
Change Of Rotary Kiln From Sponge Iron To Cement C We have change of rotary kiln from sponge iron to cement c Our cement rotary kiln and sponge iron rotary kiln has been developed for performing drying calcination and sintering work in a continuous process Widely used for cement pet coke calcination sponge iron.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.
As touched upon earlier sponge iron is mainly produced from ore by two different routes (a) By reducing gases (CO and H 2 ) in a shaft furnace (b) Through direct treatment with coal in a rotary kiln Sponge Iron Sponge iron is the metallic product formed by the reduction (removal of oxygen) of iron ore at temperature below the fusion point of.Rotary kiln iron sogemi logo Simulation of Rotary Kiln Used in Sponge Iron Process Using temperature profile of Process of Making Sponge Iron 2 1 HISTORICAL BACKGROUND The production of steel began in ancient times rotary oxy combustion melting furnaces iron steel india crusher PRE Post sand mining equipment for sale at malaysia.
Jun 01 2012 Highlights Present work deals with two design modifications proposed for sponge iron plant First design accounts for preheating of kiln air using waste gas exiting from ESP For second design water is heated using hot sponge iron to preheat rotary kiln air A model is developed to compute coal demand of process based on different factors For each modification economic and.The prevalent type of kiln is the rotary kiln accounting for about 90 percent of all lime production in the United States This kiln is a long cylindrical slightly inclined refractorylined furnace through which the limestone and hot combustion gases pass countercurrently Coal oil and natural gas may all be fired in rotary kilns.
A heat recovery system that captures heat lost from rotary kiln surfaces in cement paper and sponge iron plants and putting it to useful work The outside surface temperature of the kiln ranges from 200 300 C The solution captures the heat lost to ambient during raw material calcination which takes place at 1200 C.The material is heated in the preheater by the kiln flue gas at 1150 C to about 900 C with about 30 decomposition then be pushed into the activated carbon rotary kiln by the hydraulic push rod.
We SEW Gears We are manufacturer and exporter of industrial gears in India Girth Gears Kiln Girth Gear Sugar Mill Gears Trunnions Pinion Gears Shafts Support Rollers Worm Wheel Worm gears Ground Gears Helical Gears Sprockets Tyres For Kilns Tyres For Coolers etc for Cement plant sugar mill sponge iron plant etc Girth Gear Kiln Girth Gear Biparted Gear Heavy Industrial.Rotary kiln for sponge iron and cement industries They mainly considered flow pattern of air and bed temperature profile and heat transfer characteristics inside the kiln.
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