# mathematical model for sponge iron

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

These features represent a more advanced and detailed model compared to previous 64 studies. Moreover, the results were validated against two sets of plant data. 65 2. Mathematical model 66 2.1. Principle 67 The reduction of the hematite ore to iron occurs via

Dapatkan harganya### Mathematical Modeling of the Melting of Sponge Iron in a

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. The model represents an incipient stage of modeling of a real process in an industrial scale electric arc furnace. The model was validated by computing the melting

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### Advances In Rotary Kiln Sponge Iron Plant. (eBook, 2009

Get this from a library! Advances In Rotary Kiln Sponge Iron Plant.. [H S Ray Prasad, Krishna Kant.] 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, which this

Dapatkan harganya### AIST Digital Library

Development of an online moisture measuring system for a sinter plant. Multiphasespecies mathematical model. Gasifiion and the MIDREX® Direct Reduction Process. Sponge Iron Utilizations Of High Ash Coal and Poor Quality Iron Ore For Making Quality Sponge Iron.

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### HONGYU GOU, B.Eng. McMaster University

models of the chamber were conducted and were used to assess, the validity of the mathematical model. The followingconclusions can ''be drawn: ''" ( 1) The LB furnace has··''the potential to efficiently,. produce sponge iron or liquid hot metal of desired, composition. (2) The mathematical modelling has been shown to be iii

Dapatkan harganya### melting of sponge iron agilityteamwork

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### THE OPTIMUM METHOD FOR CONVERTING SPONGE

of productivity is explained with the aid of a mathematical model by varying the most important parame find out the optimum method for converting sponge iron to steel in arc furnaces, and to explain in detail with sponge iron or by retaining part of the previous

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### 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### 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### 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### Mathematical Model and Algorithm of Integrated Production

Utilization of mathematical model for the optimization of production, especially the production of billet steels has been done by many researchers, including Chen and Wang (1997) which uses linear programming models for production planning and distribution of steel, Kapusinski and Tayur (1998) model the production system

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### 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### 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### 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### Model of Integrated ProductionInventory Distribution

mathematical model of integrated productioninventorydistribution system of billet steel will be proposed. The model is used to find the optimal production schedule of billet steel, based on the relevant parameters of the productive system, such as: setup time, processing times, and demand profile. The

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### 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### 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### 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### 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### 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### 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### 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### 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### ValueinUse Model International Iron Metallics Association

International Iron Metallics Association. The IIMA is dedied to those involved in the orebased metallics value chain raw material supply, production and transformation, trading and distribution, transportation and logistics, technology and equipment.

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### 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### 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

### 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### Model of Integrated ProductionInventory Distribution

mathematical model of integrated productioninventorydistribution system of billet steel will be proposed. The model is used to find the optimal production schedule of billet steel, based on the relevant parameters of the productive system, such as: setup time, processing times, and demand profile. The

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### 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### 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 fruitfantaisie

Mathematical Modeling of the Melting of Sponge Iron in a, 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. 24/7 Online MELTING OF SPONGE IRON SPHERES IN THEIR OWN MELT

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### 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### 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### Department of Chemical Engineering,Indian Institue of

Gajendra Kumar Gaurav, Shabina Khanam, Computational fluid dynamics analysis of sponge iron rotary kiln, Case Studies in Thermal Engineering, Vol. 9, 2017, pp. 14–27. Gajendra Kumar Gaurav, Shabina Khanam, Profitability analysis of power generation using waste heat of sponge iron process, Energy, Vol. 141, 2017, pp. 333347. (IF: 4.968)

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### 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### 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### 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