Top Equipments




Popular searches

Coal based Direct Reduction Rotary Kiln Process – IspatGuru

14-02-2017· Normally for rotary kiln process volatile matter is to be in the range of 25 % to 30 % Coals for direct reduction in the rotary kiln need to have low swelling index Normally swelling index is to be less than 1 The physical and chemical specifications of the non-coking coal are as follows Size of lumps – 5 mm to 20 mm...

Know More

Flow of materials in rotary kilns used for sponge iron ,

Looking forward to the need of developing coal-based sponge iron technology in India, a country having no significant resources of either coking coal or natural gas, the Research and Development Division of the Tata Iron and Steel Company Limited (TISCO) set up a rotary kiln based direct reduction pilot plant in 1975 In this pilot plant, a totally indigenous technology for production of ....

Know More

Flow of materials in rotary kilns used for 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 ....

Know More

THE KRUPP SPONGE IRON PROCESS PRODUCTION AND UTILISATION ,

leaving the rotary kiln and prehardened to a compressive strength of at least 10 kgf/pellet This strength is necessary for subsequent treat-ment in the rotary kiln Experience with different raw materials In the past, a number of different ores and fuels have been tested for their amenability to treatment by the KRUPP Sponge Iron Process...

Know More

Direct Reduced Iron and its Production Processes – IspatGuru

16-03-2013· Fig 2 Principle of direct reduction process Gas based process In the gas based reduction processes, a vertical shaft kiln is used in which iron ore is fed into the top of the kiln and finished sponge iron is drawn off from the bottom after cooling it so as to prevent its re-oxidation...

Know More

Flow of materials in rotary kilns used for sponge iron ,

Looking forward to the need of developing coal-based sponge iron technology in India, a country having no significant resources of either coking coal or natural gas, the Research and Development Division of the Tata Iron and Steel Company Limited (TISCO) set up a rotary kiln based direct reduction pilot plant in 1975 In this pilot plant, a totally indigenous technology for production of ....

Know More

OPERATIONAL ASPECTS OF SPONGE IRON PRODUCTION IN A ROTARY KILN

Simulation of Rotary Kiln Used in Sponge Iron Process ....

Know More

Coal based Direct Reduction Rotary Kiln Process – IspatGuru

14-02-2017· Normally for rotary kiln process volatile matter is to be in the range of 25 % to 30 % Coals for direct reduction in the rotary kiln need to have low swelling index Normally swelling index is to be less than 1 The physical and chemical specifications of the non-coking coal are as follows Size of lumps – 5 mm to 20 mm...

Know More

Flow of materials in rotary kilns used for 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 ....

Know More

US2754197A - Method and a rotary kiln for the manufacture ,

kiln iron air rotary kiln sponge iron Prior art date 1952-09-26 Legal status (The legal status is an assumption and is not a legal conclusion Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed) Expired - Lifetime Application number US311593A Inventor Wienert Fritz Otto Original Assignee...

Know More

Method for Calculating Yield of DRI Production in Rotary Kiln

16-12-2010· 12/16/2010 3:58 AM we would like to know the correct method for calculating the yield for working the production of Sponge Iron in a rotary kiln we have been evaluating the yield for production using the following formula : P = (Q-%TM)X (% Fe (T) in ore - % LOI - ,...

Know More

Rotary Kiln Dri Process - divinechannelin

Sponge Iron Rotary Kiln Process Cement Modelling and optimization of a rotary kiln direct reduction process Introduction 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 ,...

Know More

THE KRUPP SPONGE IRON PROCESS PRODUCTION AND UTILISATION ,

leaving the rotary kiln and prehardened to a compressive strength of at least 10 kgf/pellet This strength is necessary for subsequent treat-ment in the rotary kiln Experience with different raw materials In the past, a number of different ores and fuels have been tested for their amenability to treatment by the KRUPP Sponge Iron Process...

Know More

Method for Calculating Yield of DRI Production in Rotary Kiln

16-12-2010· 12/16/2010 3:58 AM we would like to know the correct method for calculating the yield for working the production of Sponge Iron in a rotary kiln we have been evaluating the yield for production using the following formula : P = (Q-%TM)X (% Fe (T) in ore - % LOI - ,...

Know More

Computational fluid dynamics analysis of sponge iron ,

01-03-2017· The geometry of rotary kiln of sponge iron process is developed using GAMBIT 246 Dimensions of kiln are 80 m length and 4 m internal diameter The kiln is inclined to 25 degree to the horizontal and rotated with 43 rpm Bed material consists of iron ore, coal and dolomite, enters the kiln through feed end...

Know More

Simulation of Rotary Kiln Used in Sponge Iron Process ,

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: 107763/IJET2014V6673 95 Abstract—In the present study, estimation of actual output parameters is carried out ,...

Know More

CASE STUDY ON THRESHOLD PROBLEM Sponge Iron Production ,

Sponge Iron Production Process Process description This is the case study of typical coal based sponge iron plant of 500 tonne per day capacity The process flow diagram (PFD) of the sponge iron process is shown in Fig 1 , ROTARY KILN (RK)...

Know More

Rotary Kiln Dri Process - divinechannelin

Sponge Iron Rotary Kiln Process Cement Modelling and optimization of a rotary kiln direct reduction process Introduction 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 ,...

Know More

SPONGE IRON FROM MAGNETITE – A NOVEL PROCESS ,

12-10-2021· Sponge Iron production usually employs the DRI Process, undertaking solid state reduction of hematite ores with equal proportions of coal This is brought about by the use of a coal fired Rotary Kiln, with the environmental impact of the entire process putting Sponge Iron plants under ‘Red Category’ industri...

Know More

CASE STUDY ON THRESHOLD PROBLEM Sponge Iron Production ,

Sponge Iron Production Process Process description This is the case study of typical coal based sponge iron plant of 500 tonne per day capacity The process flow diagram (PFD) of the sponge iron process is shown in Fig 1 , ROTARY KILN (RK)...

Know More

Sponge iron from magnetite - A novel process developed in ,

12-10-2021· This is brought about by the use of a coal-fired Rotary Kiln, with the environmental impact of the entire process putting Sponge Iron plants under 'Red Category' industri...

Know More

Sponge Iron - Sambhv Steel

The process includes the de-oxidisation of iron ore below the melting temperature of iron through the direct reduction process using high-grade iron ore and non-coking coal The material used is iron ores lumps/pellets, Coal and Dolomite The direct reduced iron process is done in a rotary kiln at a temperature of around 850ᵒC- 1050ᵒC...

Know More

(PDF) Analysis of temperature profile and % metallization ,

study the kiln of sponge iron process, literature relat ed to it is dis- cussed here: Prasad and Ray [9] simulated flow pattern of air us- ing FLUENT software in rotary kiln of a typical 10 0 tpd ....

Know More

process of iron reduction in tunel kin and rotary kiln

process of iron reduction in tunel kin and rotary kiln Rotary kiln A rotary kiln is a pyroprocessing device used to raise materials to a high temperature calcination in a continuous process Materials produced using rotary kilns include Cement Lime Refractories Metakaolin Titanium dioxide Alumina Vermiculite Iron ore pellets They are also used for roasting a wide variety of sulfide ores prior ....

Know More

(PDF) Modeling of Rotary Kiln for Sponge Iron Processing ,

Modeling of Rotary Kiln for Sponge Iron Processing Using CFD package (ANSYS 130) A Thesis Submitted for Partial Fulfillment of the Degree Award Of MASTER OF TECHNOLOGY In CHEMICAL ENGINEERING Under the supervision of...

Know More

Method for Calculating Yield of DRI Production in Rotary Kiln

16-12-2010· 12/16/2010 3:58 AM we would like to know the correct method for calculating the yield for working the production of Sponge Iron in a rotary kiln we have been evaluating the yield for production using the following formula : P = (Q-%TM)X (% Fe (T) in ore - % LOI - ,...

Know More

SPONGE-IRON - Shakambhari Group

Sponge Iron, also known as Direct Reduced Iron is produced from Hematite Iron ore (5 to 18 mm size) by removing the oxygen by direct reduction process using non coking coal as the fuel and reducing agent in Rotary Kiln Sponge iron is rich in Metallic Iron (Pure Iron) with consistent chemical & ,...

Know More

US2754197A - Method and a rotary kiln for the manufacture ,

kiln iron air rotary kiln sponge iron Prior art date 1952-09-26 Legal status (The legal status is an assumption and is not a legal conclusion Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed) Expired - Lifetime Application number US311593A Inventor Wienert Fritz Otto Original Assignee...

Know More

2 D Model of Sponge Iron Rotary Kiln Developed Using CFD

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...

Know More

THE KRUPP SPONGE IRON PROCESS PRODUCTION AND UTILISATION ,

leaving the rotary kiln and prehardened to a compressive strength of at least 10 kgf/pellet This strength is necessary for subsequent treat-ment in the rotary kiln Experience with different raw materials In the past, a number of different ores and fuels have been tested for their amenability to treatment by the KRUPP Sponge Iron Process...

Know More