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
Rotary kiln is cylindrical in shape and is 80m long having 4 2m internal diameter This is the reactor of the process where reduction as well as combustion reactions are carried out The role of kiln is to convert the raw material (iron ore coal and dolomite) into the sponge iron  Detail reaction mechanism of the process is discussed below.Sponge iron kiln’s cylinder The design of the sponge iron rotary kiln cylinder is reasonable The cylinder is rolled with a Q235 B steel plate to ensure five mechanical properties usually with automatic welding The wall thickness of the cylinder is generally 25 mm and that of the firing zone is 32 mm.
Sponge iron manufacturer supplier China sponge iron manufacturer factory list find qualified Chinese sponge iron manufacturers suppliers factories exporters wholesalers quickly on Made in.Sep 10 2020 The mixture first enters the preheating zone of the sponge iron rotary kiln and is heated to the reaction temperature The water in the mixture the carbon dioxide in the dolomite and the volatile components in the coal enter the upper space of the sponge iron rotary kiln forming reducing gas.
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.Sponge iron making process in animated Process Sponge iron making is a process in which iron ore lumps typically 5mm18mm size are tumbled with a ‘select’ grade of ironcoking 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 finished product.
Rotary Kiln Riding Ring Best Quality Post author piyaligroup Post published October 18 2020 Post category Cement Plant Equipment and Machinery Spare Parts 200 tpd kiln cooler spares for dri sponge iron plant 600 tpd kiln cooler spares for dri sponge iron plant Activated Carbon Plant Ball Mill Equipment and Machinery Spare Parts Cement Plant Rotary Kiln Clinker Ball Mill.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.
Jul 31 2013 DRI ProcessRaw materials partly coal iron ore fluxes enter the rotary kiln Rotary kiln= 2 5 Slopeand 0 47 rpm speed Preheating zone or combustion zone where coal is heated Solid iron and unburnt char lime is discharged The remainder coal in powdered form and hot air is charged Flue gas After Burn Chamber Cooler discharge and product.The rotary kiln process is a commonly practiced method in India for producing coal based sponge iron In the industry there have been many recent reports of premature failures of certain air tubes in rotary kilns This work aims at developing a temperature profile by modelling the heat transfer phenomena happening inside the kiln.
Shown earlier that the sponge iron rotary kiln is a chaotic dynamical (nonlinear time varying) system [4 8] The pr esent work is the first application of both OSAA and Grey (1 1) models to a.Coal Based Direct Reduction Rotary Kiln Process Ispatguru Sponge Iron Plant Sponge iron being magnetic gets attracted and gets separated from non magnetic char the iron ore and coal crushed and screened to respective sizes are fed to rotary kiln through feed tube in predetermined ratio the rotary kiln is slightly inclined at an angle 25 deg and rotated by 100 Tpd Sponge Iron Plant Kiln And.
Though coal is administered into kiln at both inlet and outlet end for two different purposes a Feed Coal enters into kiln at upper end along with iron ore Having size of 4 to 20 mm in diameter Fig 3 1 31Material Balance in a Rotary Kiln sponge iron plant representation of overall reactions happening in a kiln based sponge iron.The present work identifies the basic features of burden movement in a rotary kiln The cold model study was conducted with iron ore as the feed material to determine the influence of length to diameter ratio (L D) of a rotary kiln on the filling degree hold up and residence time of the charge An empirical equation correlating different operating variables has been derived on the basis of.
Tunnel Kiln Process Sponge Iron Crusher Sponge iron production in rotary kiln quality of sponge iron made by the tunnel kiln technology is superior as compared to that made from the rotary kilns because while the input raw material gets just about 24hours for the reaction the figures almost reverse in case of the tunnel kiln.Manufacturer of Sponge Iron Plant Rotary Kilns Spare Parts Spring Plate Assembly for Girth Gear Support Roller Assembly Cooler Support Roller Assembly and Support Roller Complete Assembly for Sponge iron Plant Cement Plant Fertilizer Plant offered.
2 ED SIMA requested the participants to volunteer to spare their rotary kiln for carrying out the R D for exploring the use of Syn Gas in the rotary kiln Mr T Srinivasa Rao MD Balajiswamy Premium Steels Pvt Ltd offered his 50TPD kiln for this purpose 3 Presentation from Tata Sponge Iron Ltd was very much liked and lot of the people showed.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 Qian Yin Qun Chen Wen Jing Du Xing Lin Ji Lin Cheng Design requirements and performance optimization of waste heat recovery systems.
Jun 19 2013 pollution control acts rules and notifications issued thereunder 5 Mar 1992 In the fifth edition of the Pollution Control Law Series several Notifications recently Power Plant Generator Set) Applications and other Requirements 4 Boilers Using Sponge Iron Plant (Rotary Kiln) 515 100 (v) sea or tidal waters to such extent or as the case may be to such point as.To convert the rotary kiln based sponge iron plant into a pig iron plant MAGMA smelter is installed in place of the rotary cooler and all other existing infrastructures are utilized A 100 TPD sponge iron plant can make 1 08 000 tons of pig iron per year a 200 TPD plant can make 1 72 000 tons of pig iron per year and a 350 TPD plant can make.
II 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 The kiln is around 80 m long with 4 m.For the production of sponge iron in a 34 feet long rotary kiln were successfully conducted at the National Metallurgical Laboratory using pellets made from Donimalai haematite ore and bituminous coal from Maharashtra also nut coke The iron ore was of high grade with 65 66 Fe 1 6 2 05 Si02 and 3 0 3 8 per cent A1 203 The.
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.For Sponge Iron production by Direct Reduction Process CUMI offers the following solutions COAL BASED SPONGE IRON ROTARY KILN svenska casino spel Application Recommended Products AFTER BURNING CHAMBER (ABC) CUMICRETE CK 14 SI ABC BACK UP CUMICRETE CII 104SI.
The hot product discharged from the kiln is indirectly cooled in a rotary cooler by spraying water on the shell of the cooler The discharge from the cooler is conveyed through a belt conveyor screened and magnetically separated Sponge iron and non magnetic components are separated and stored in separate bins for further transfer.This book comprehensively deals with the production of sponge iron in the rotary kiln The book is divided into 17 chapters The initial chapters give a brief on the fundamental theories and basic principles of sponge iron production commercially used DR (direct reduction) processes and physico chemical principles of sponge iron production.
Rotary kilns (Figure 1) are used for a range of mineral processing operations Kilns range in size from 2–6 m in diameter and can be 50–225 m long with an operating mass of up to 3000 t Two of the most common applications are for cement production and sponge iron production Hatch has developed a proprietary one dimensional kiln model to.Jan 26 2020 Sponge iron plant rotary kiln and cooler list of machinery spare parts and casting and forging technical procurement specifications budgetary cost for coal based gas based electric based sponge iron plant for 50 TPD 75 TPD 100 TPD 150 TPD 175 TPD 200 TPD 300 TPD 350 TPD 500 TPD 600 TPD (Tons per day).
API Energy TM Rotary Kiln is a rotating cylindrical vessel which is used for drying calcination and sintering in a continuous process with the use of hot gases The hot gases may be generated in an external furnace or by a flame inside the kiln Our cement rotary kiln and sponge iron rotary kiln has been developed for performing drying calcination and sintering work in a continuous process.Nov 09 2014 Sponge iron making process 1 ALBERTUS SEPTYANTOKO 2712100014 2 IRON ORE • Iron = 65 67 • SiO2 + Al2O3 = 2 3 • CaO + MgO = 0 5 1 • Sulphur = 0 02 max • Phosphorus = 0 04 max Chemical Composition • Size = 5 18 mm • Shatter Index = +95 • Tumbler index = +88 • Reducibility Index = +94 • Thermal Degradation Index = 5 Physical Composition.