# mathematical model for sponge iron

### Transformation of Indian Sponge Iron Industry Visàvis

Abstract Since the last 30 years, the Indian Sponge Iron (SI) industry has grown by leaps and bounds. Furthermore, the use of mathematical models are also desired so as to improve its appliion on wider scale. Bibtex entry for this abstract Preferred format for this abstract (see Preferences)

Dapatkan harganya### Cooling Staves Atibir Industries Company Limited Steel

Cast steel blast furnace (BF) cooling staves are widely used in the steel industry. A heat transfer mathematical model of a BF cast steel cooling stave has been developed and verified by thermal state experiments. Calculation of a cooling stave working under steady state has been carried out based on the model. Sponge Iron, Pig Iron, MS

Dapatkan harganya### The planning of investment programs in the steel industry

The planning of investment programs in the steel industry (English) Abstract. The steel industry is one of the cornerstones of the industrial sector of most countries.

Dapatkan harganya### Study of the Effect of Reduced Iron Temperature Rising on

We presented the mathematical model in the iron reactor. The model was limited to Isobaric Zone and Cooling Zone termed as IZ and CZ, respectively. The simulation was done by adapting the heat and mass transfer equations. The main purpose of this paper is to estimate the temperature increasing effect of reducediron on spongeiron quality.

Dapatkan harganya### METALLURGICAL PROCESS IN ANCIENT SHAFT FURNACE

iron sponge, metallurgical slag, gases. Iron sponge is the most important product of the ancient metallurgical process. From the chemical point of view, it is a kind of iron alloy which contains also other chemical elements. It can be assumed that the iron contained at least 96 – 99%. The other components included coal, manganese, silicon,

Dapatkan harganya### Modelling and optimization of a rotary kiln direct

for cement production and sponge iron production. Hatch has developed a proprietary onedimensional kiln model to evaluate designs for clients (Haywood et al., 2009). This tool has been utilized for a variety of pyrometallurgical appliions including ferrovanadium, nickel carbonate, nickel laterite, iron ore reduction, and spodumene (lithium)

Dapatkan harganya### Mathematical Modeling of a NonCatalytic GasSolid

A mathematical model is developed to investigate the nonisothermal reduction of the hematite pellet with Syngas, namely is a mixture of hydrogen, water vapour, carbon dioxide and carbon porous pellet that is reduced to sponge iron with Figure 1. Schematic representation of the pellet reduction as a grain model at three interfaces.

Dapatkan harganya### Study on Air Tubes Failure in Sponge Iron Rotary Kiln

Study on Air Tubes Failure in Sponge Iron Rotary Kiln Ankit 1, T. K. Kundu1, R. P. Kumar 2 1Dept. of Metallurgical and Materials Engineering, IIT Kharagpur, Kharagpur721302, India 2HSBC India(Formerly with IIT Kharagpur), Bangalore560076, India .. Introduction: The rotary kiln process is a commonly practiced method in India for

Dapatkan harganya### (PDF) Pemodelan Rotary Kiln pada Produksi Besi Spons

The paper presents a mathematical model of rotary kiln for sponge iron production (DRI, Direct Reduced Iron) based on reaction engineering, heat and mass balances.

Dapatkan harganya### Sponge IronI Apps on Google Play

Apr 11, 2014 · Sponge iron is popularly used to make steel in India. There are other Gulf and Asian countries which use sponge iron to make steel in large quantity. Sponge iron can be coal based or gas based. The app is based on some mathematical models. The values may fulfill user''s requirement or

Dapatkan harganya### A thermodynamic analysis of the reformer sponge iron cycle

Oct 20, 2006 · A mathematical model of the reformer sponge iron cycle (RESC) is presented. The model is based on a thermodynamic analysis of the process, simulating the complete hydrogen production cycle including the hydrocarbon reformer, the sponge iron reactor (SIR) and the auxiliary devices required to operate the process.

Dapatkan harganya### Heat and Mass Transfer in Reduction Zone of Sponge Iron

Heat and Mass Transfer in Reduction Zone of Sponge Iron Reactor 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. Some iron ore reactor models are proposed in a few literatures. Iron ore

Dapatkan harganya### Mathematical model of the SL/RN direct reduction process

The model has been used both to investigate the influence of process variables on the kiln performance and to elucidate operating features of the process. The model has shown that highly reactive coals such as subbituminous and lignite, and highly reducible pellets are most suitable for the SL/RN process.

Dapatkan harganya### Heat and Mass Transfer in Reduction Zone of Sponge Iron

Heat and Mass Transfer in Reduction Zone of Sponge Iron Reactor 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. Some iron ore reactor models are proposed in a few literatures. Iron ore

Dapatkan harganya### Mathematical model of direct reduction shaft furnace and

Mathematical model of direct reduction shaft furnace and its appliion to actual operations of a model plant Most shaft furnaces producing sponge iron, however, have been designed empirically up to the present. In order to optimize operations a mathematical model has been developed to be applied to shaft furnace design.

Dapatkan harganya### Modelling and optimization of a rotary kiln direct

for cement production and sponge iron production. Hatch has developed a proprietary onedimensional kiln model to evaluate designs for clients (Haywood et al., 2009). This tool has been utilized for a variety of pyrometallurgical appliions including ferrovanadium, nickel carbonate, nickel laterite, iron ore reduction, and spodumene (lithium)

Dapatkan harganya### melting of sponge iron agilityteamwork.ch

Mathematical Modeling of the Melting of Sponge Iron in a (d) Melting of sponge iron in slag. The model was validated with experimental results reported by O''Malley 23) for sponge iron pellets in nonreactive slag, as can be seen in Fig. 5. The thermal histories obtained numerically show good agreement with the experimentally measured

Dapatkan harganya### Advances in rotary kiln sponge iron plant (eBook, 2009

Get this from a library! Advances in rotary kiln sponge iron plant. [K K Prasad Hem Shanker Ray] Annotation About the Book: Now that India is virtually the only player in this field, an elaboration is needed with respect to more fundamental understanding as well as future prospects and needs,

Dapatkan harganya### Study on Air Tubes Failure in Sponge Iron Rotary Kiln

Study on Air Tubes Failure in Sponge Iron Rotary Kiln . A Mathematical Model of Heat Transfer in a Rotary Kiln Thermo Reactor, Chem. Eng. Technol,, No. 12 (2005) 3. Tscheng S.H., and Watikinson A.P., Convective Heat Transfer in a Rotary kiln, Canadian Journal of Chemical engineers, 57,

Dapatkan harganya### (PDF) Mathematical Modeling of the Melting of Sponge Iron

In this work a mathematical model was developed to predict the melting kinetics of an isolated sponge iron pellet in a bath of nonreactive liquid slag.

Dapatkan harganya### Mathematical model of the SL/RN direct reduction process

The model has been used both to investigate the influence of process variables on the kiln performance and to elucidate operating features of the process. The model has shown that highly reactive coals such as subbituminous and lignite, and highly reducible pellets are most suitable for the SL/RN process.

Dapatkan harganya### Mathematical modeling of the dynamic storage of iron in

Iron is essential for the maintenance of basic cellular processes. In the regulation of its cellular levels, ferritin acts as the main intracellular iron storage protein. In this work we present a mathematical model for the dynamics of iron storage in ferritin during the process of intestinal iron

Dapatkan harganya### Effect of sponge liner on the internal heat transfer

develop a mathematical model to predict the performance of solar distillation system using the new calculated value of convection and evaporation heat transfer coefficients, which are obtained in the thermal model. 2. Solar still with a sponge liner In a conventional still, a part of the radiation is re

Dapatkan harganya### Detailed Modeling of the Direct Reduction of Iron Ore in a

Oct 01, 2018 · The solid product, called direct reduced iron (DRI) or reduced sponge iron, is cooled in the lower part of the furnace, down to approximately 50 °C, prior to being discharged. The modeling of a shaft furnace, simulating the reduction of iron ore by syngas, is a powerful tool for defining optimal operating conditions.

Dapatkan harganya### PAPER OPEN ACCESS Related content Types of greenhouse

Mathematical models for calculation of carbon dioxide emissions for each type of process are found. Calculations results of carbon dioxide emissions of coke (BF + EAF) and Pig iron or sponge iron with scrap iron addition are loaded into electric arc furnaces (EAF) for steelmaking [14].

Dapatkan harganya### Detailed Modeling of the Direct Reduction of Iron Ore in a

sponge iron, is cooled in the lower part of the furnace, down to approximately 50 °C, prior to being discharged. Figure 1. MIDREX process flowsheet. The modeling of a shaft furnace, simulating the reduction of iron ore by syngas, is a powerful tool for defining optimal operating conditions. Use of such a model can lead to the maximization of

Dapatkan harganya### Mathematical model of direct reduction shaft furnace and

Mathematical model of direct reduction shaft furnace and its appliion to actual operations of a model plant Most shaft furnaces producing sponge iron, however, have been designed empirically up to the present. In order to optimize operations a mathematical model has been developed to be applied to shaft furnace design.

Dapatkan harganya### Sponge Iron Process for Manned Space Exploration

Sponge iron process for manned space exploration Final project report June 2005 Prepared by: Dr. Simon Fraser ChristianDoppler Laboratory for Fuel Cell Systems Institute for Chemical Technology of Inorganic Materials Graz University of Technology Steyrergasse 21 A8010 Graz Tel. +43(0)316 873 8787 Fax +43(0)316 873 8782 [email protected]

Dapatkan harganya### Detailed Modeling of the Direct Reduction of Iron Ore in a

Oct 01, 2018 · The solid product, called direct reduced iron (DRI) or reduced sponge iron, is cooled in the lower part of the furnace, down to approximately 50 °C, prior to being discharged. The modeling of a shaft furnace, simulating the reduction of iron ore by syngas, is a powerful tool for defining optimal operating conditions.

Dapatkan harganya### Transformation of Indian Sponge Iron Industry Visàvis

Abstract Since the last 30 years, the Indian Sponge Iron (SI) industry has grown by leaps and bounds. Furthermore, the use of mathematical models are also desired so as to improve its appliion on wider scale. Bibtex entry for this abstract Preferred format for this abstract (see Preferences)

Dapatkan harganya### ARCHITECTURE At best when the process goes out of control

Tata Sponge and TCS have jointly developed a mathematical model, an offline simulator for DRI process. The model is used offline to study the impact of changes in input parameters such as raw material and air on the product quality and helps the operator to take correct decision. The model uses 85 data input. The ELBK is integrated

Dapatkan harganya### A thermodynamic analysis of the reformer sponge iron cycle

Oct 20, 2006 · A mathematical model of the reformer sponge iron cycle (RESC) is presented. The model is based on a thermodynamic analysis of the process, simulating the complete hydrogen production cycle including the hydrocarbon reformer, the sponge iron reactor (SIR) and the auxiliary devices required to operate the process.

Dapatkan harganya### Direct reduced iron Wikipedia

Direct reduced iron (DRI), also called sponge iron, is produced from the direct reduction of iron ore (in the form of lumps, pellets, or fines) to iron by a reducing gas or elemental carbon produced from natural gas or coal. Many ores are suitable for direct reduction.

Dapatkan harganya### A thermodynamic analysis of the reformer sponge iron cycle

Abstract A mathematical model of the reformer sponge iron cycle (RESC) is presented. The model is based on a thermodynamic analysis of the process, simulating the complete hydrogen production cycle including the hydrocarbon reformer, the sponge iron reactor (SIR) and the auxiliary devices required to operate the process.

Dapatkan harganya### Transformation of Indian Sponge Iron Industry Visàvis

May 21, 2014 · Abstract. Since the last 30 years, the Indian Sponge Iron (SI) industry has grown by leaps and bounds. Though the sector has undergone rapid growth in recent past, the growth graph is not likely to be sustained due to multiple geopolitical and other related factors.

Dapatkan harganya### مقالات حاوی کلیدواژه "mathematical model" جویشگر علمی

مقاله نشریه Transient Entropy Generation Analysis During Wustite Pellet Reduction to Sponge Iron مقاله نشریه A new mathematical model for a scheduling problem of dynamic machinetool selection and operation alloion in a flexible manufacturing system:

Dapatkan harganya### Yazid Bindar Institut Teknologi Bandung Academia.edu

Reduction zone of iron ore reactor have been simulated. This is a part of counter current gassolid reactor for producing sponge iron. The aim of this research is to study the effect of reduction gas composition and temperature on quality and product capacity of sponge iron products through mathematical modeling arrangement and simulation.

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