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Simulation of Rotary Kiln Used in Sponge Iron Process Using ANN IACSIT International Journal of Engineering and Technology, Vol. 6, No. 2, April 2014 DOI 10.7763IJET.2014.V6.673 95 AbstractIn the present study, estimation of actual output parameters is carried out for a sponge iron production process
2II. 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
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
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.
1. Krupp Sponge Iron Process The Krupp. Sponge iron process uses a rotary kiln for the reduction of high grade lump ores or pellets Fig. 1. The feed is introduced together with reducing and de-sulphurizing agents lime-stone or raw dolomite into an inclined rotary kiln, heated counter current to the flow of hot gas and reduced to form sponge ...
treatment by the KRUPP Sponge Iron Process. Small-scale tests have been carried out in labo-ratory-scale rotary kilns in order to assess the quality of the raw materials and to make a pre-liminary choice of ores and coals. Fig. 2 shows the three laboratory-type rotary kilns. Ores are
Sponge iron Manufacturing process Azerbaijan Simurgh . The process of making sponge iron occurs by removing oxygen from the iron ore The quality of sponge iron is mainly determined by the percentage of metallization removal of oxygen the main kiln used is the rotary kiln The spherical or spongy spherical parts, which are produced by the direct reduction of iron ore Direction Reduce Iron
Rotary Kiln with SLRN 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 coalgas 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 iron ore, its structure is just like a sponge with a
Tunnel Kiln Process For Sponge Iron Making, Rotary Kiln. process making sponge iron rotary kiln animation Get Price Chat Online Rotary Kiln Process of Making Sponge Iron Rotary Kiln Process email protected 86-371-67833171 247 hour online service. Read more
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.
The kiln model applied in this work was developed by Hatch over a number of years and has been used for several rotary kiln projects. It has its roots in a FORTRAN program that was developed by Venkateswaran 1978 to study the reduction of iron ore. The original software was used to model the operation of a 35 m pilot kiln at the Stellco company
Feb 14, 2017 Boudouard reaction, dolomite, DRI, Iron ore, metallization, non coking coal, pellets, reduction, Rotary kiln, Sponge iron, Sulphur, Coal based Direct Reduction Rotary Kiln Process . The coal based direct reduction rotary kiln process was developed for converting iron ore directly into metallic iron without the melting of the materials.
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
Sponge iron process uses a rotary kiln for the reduction of high grade lump ores or pellets Fig. 1. The feed is introduced together with reducing and de-sulphurizing agents lime-stone or raw dolomite into an inclined rotary kiln, heated counter current to the flow of hot
Fig. 1 Schematic of the rotary kiln of sponge iron process Table 1. Reaction Temperature and its heat of reaction 11 III. CFD Model Boundary amp Operating conditions The 2 D geometry of rotary kiln is developed using GAMBIT 2.4.6. The assumptions for the present work are 1 2D geometry of the kiln is considered, 2 Feed Consists mixture of ...
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
Aug 03, 2011 Wednesday, August 3, 2011. During the process of manufacture of sponge iron, coal injection plays a very vital role in maintaining the product quality. Due to highly endothermic nature of Boudouard reaction, heat has to be continuously supplied in entire reduction zone of rotary kiln. Generally the length of reduction zone is 60-70 of total ...
Sep 10, 2020 Sponge Iron Manufacturing Process of New Design Sponge Iron Rotary Kiln Energy Comprehensive Utilization System. The iron concentrate, dolomite, and coal from the stockyard enter into three groups of metering pneumatic conveying devices of the feeding system for metering. The measured iron concentrate, dolomite, and 50 of coal all enter the ...
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
Rotary Kiln with SLRN 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 coalgas as a medium of reduction to produce a substitute raw material for steel making is termed as Direct Reduced Iron DRI.
Modelling and optimization of a rotary kiln direct reduction process 55 Figure 3. Kiln temperature distribution for the base case The feed material bed enters the kiln at ambient temperature and rapidly heats up due to the hot gas in the freeboard.
Conducting complete energy audit both process and utility of a sponge iron unit is challenging as there is no laid down procedure to audit the process side. Further, the average heat to power ratio kW th kW e of sponge iron plants ranges from 251 to 311. This shows that the manufacturing process mostly uses thermal energy and application of electrical energy is insignificant.
New Design Sponge Iron Rotary Kiln Energy Comprehensive Utilization System AGICO GROUP is devoted to be the No.1 rotary kiln manufacturer and professional enterprise of import and export trade.Our main business is rotary kiln equipment such as cement kiln, lime rotary kiln and shaft kiln.
Aug 03, 2011 During the process of manufacture of sponge iron, coal injection plays a very vital role in maintaining the product quality. Due to highly endothermic nature of Boudouard reaction, heat has to be continuously supplied in entire reduction zone of rotary kiln.
process making sponge iron rotary kiln animation 2016-05-14 hopper feeders chemical 2016-05-14 industries use dolomite 2016-05-14 We Are Experienced. SCM is quite experienced in construction, milling and mining industry. Requirements like customized design, advanced equipments and faultless service are available.
Sponge Iron Rotary Kiln, Lime Rotary Kiln, Cement Rotary Kiln manufacturer supplier in China, offering Sponge Iron Rotary KilnampRotary Kiln Process of Making Sponge Iron, Durable Rotary Dryer Kiln Girth Gear, Spur Girth Gear ampSpur Gear and so on.
Direct-reduced Iron Production Kiln Sponge Iron Dri Production Plant , Find Complete Details about Direct-reduced Iron Production Kiln Sponge Iron Dri Production Plant,Direct Reduced Iron Production Kiln,Dri Production Plant,Sponge Iron Dri Production from Cement Making Machinery Supplier or Manufacturer-Henan Dajia Mining Machinery Co., Ltd.
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Sponge Iron Production In Rotary Kiln By Sarangi Pdf. Sponge iron production in rotary kiln. Alibaba offers 587 sponge iron rotary kiln products About 71 of these are cement making machinery, 8 are other mining machines, and 1 are industrial furnace Sponge iron production in rotary kiln pdf free download Sponge iron production in rotary kiln pdf pygtk, Canon mx920 windows 7 driver, Pakistan ...
Sponge Iron Kiln Design. pdf simulation of rotary kiln used in sponge iron process ,in the present study, estimation of actual output parameters is carried out for a sponge iron production process by designing a multilayer perceptron model that .case study on threshold problem sponge iron ,this is the case study of typical coal based sponge iron plant of 500 tonne per day 900c.
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
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 noncoking coal Patra et al, 2005 The reduction process is carried out in an inclined horizontal rotary kiln, which rotates at a programmed speed
animation of sponge iron making process. animation of sponge iron making process XSM is a leading global manufacturer of crushing and milling process of sponge iron production power point animation Contact Supplier process making sponge iron rotary kiln animation - .
used sponge iron rotary kiln animation in seychelles,lscrusher Heavy Industry Technology is a joint-stock enterprise that mainly produces large and medium-sized series of crushers, sand making machines, and mills, and integrates RampD, production and sales. he company regards product quality as the life of the company.
Nov 17, 2012 Raw DRI Process materials, partly coal, iron ore, After Burn Flue gas Chamber fluxes enter the rotary kiln The remainder Rotary kiln coal in 2.5 Slo and 0.47 rp pe powdered form m sp e e d and hot air is charged Preheating Solid iron and zone or unburnt char,combustion zone lime is where coal is heated discharged Cooler discharge and product ...
Presed, K.K. and A.K. Ray, Sponge Iron Making in Rotary Kiln, RDClS SAIL, Ranchi, 2002. Advertisement. ... Spray heat transfer is a critical process during
Gas-Based Process This process utilizes natural gas as the reducing agent. Natural gas is reformed to enrich with H2 and CO mixture and this enriched and reformed gas mixture is preheated in gas-based process. A vertical retort is used for the reduction of iron ore as against a rotary kiln in coal based sponge iron process.
2. ED, SIMA requested the participants to volunteer to spare their rotary kiln for carrying out the RampD 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
DRI, also known as sponge iron, is the product of reducing iron oxide in the form of iron ore and steel plant wastes into metallic iron, below the melting point of iron and typically in the range of 8001200 C. Iron oxide is charged into shaft furnace, rotary kiln, or fluidized beds in the form of pellet, iron ore lumps, or fines. The reduction takes place using gaseous reductants CO H ...
process of sponge iron by rotary kiln Grinding Mill China Posted at January 5 2013 Rotary Kiln Process of Making Sponge Iron The production of steel began in ancient times. Get Price. Accretion Control In Sponge Iron Production Kiln Using.
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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-containing ...
Hot sponge iron from rotary kiln shall be smelted directly by continuously charging into smelting reduction furnace. The smelting furnace itself is equipped with stoves to preheat the hot blast air.
Rotary Kiln Process Of Making Sponge Iron Grinding Mill. Rotary Kiln Cement Rotary Kiln and Sponge Iron Rotary Kiln Rotary kiln 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 ...
The major Raw Materials required for production of Sponge Iron by the rotary kiln process are sized graded Iron Ore and Non-Coking coal. Limestone, in small quantities, is also required to scavenge the sulphur. IRON ORE The quality requirement of Sized ore for sponge iron production
inclined rotary kiln, where it is heated by a coun-tercurrent flow of hot gas and reduced to sponge iron. Depending on the content of volatiles, the fuel is either blown into the kiln from the dis-charge end or introduced from the feed end to- ... KRUPP SPONGE IRON PROCESS .