sponge iron production in rotary kiln -

  • OPERATIONAL ASPECTS OF SPONGE IRON PRODUCTION IN A

    SPONGE IRON PRODUCTION IN A ROTARY KILN B. L. SENGUPTA A. B. CHATTERJEA, G. P. MATHUR V. A. ALTEKAR* ABSTRACT ON the background of the imbalance in the occurrences of vast deposits of high grade iron ore with that of coking coal, and simultaneous availability of enormous quantity of evenly distributed

  • Sponge Iron Production in Rotary Kiln - Arabinda Sarangi ...

    30-06-2011 · Sponge Iron Production in Rotary Kiln. The increase in the demand of sponge iron is also due to the fact that it is used as a substitute for coking coal which is available in scarcity in the world. This book comprehensively deals with the production of sponge iron in the rotary kiln. The book is divided into 17 chapters.

  • New Sponge Iron Rotary Kiln Design In Sponge Iron ...

    10-09-2020 · During the sponge iron manufacturing process, hot air enters through the air tube and air nozzle of the sponge iron kiln, providing heat for the reaction. The waste gas produced by the rotary kiln first enters the dust settling chamber, and the settled dust is finally discharged by the scraper. The treated exhaust gas can enter the waste heat ...

  • US2754197A - Method and a rotary kiln for the manufacture ...

    V 6. Apparatus suitable for producing sponge iron from iron oxides comprising in combination a rotary kiln and a number of air blowers mounted on the outside of said kiln, said blowers having at least one vent extending into said kiln with a discharge opening axially positioned in said kiln and directed away from the feed end of the kiln.

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

    The sponge iron is produced in the form of lumps as well as fines. The production of sponge iron depends on metallization of iron ore. Fig. 1. Schematic of rotary kiln For the present work data of a typical industry of 527 T/day production capacity is collected for 25 days. The data of temperature T-1 to T-12, AT-1 to AT-3 and MF-1 and

  • 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 pre-determined ratio. The rotary kiln is slightly inclined at an angle 2.5 deg and rotated by

  • (PDF) Operation of Coal-Based Sponge Iron Rotary Kiln to ...

    Case studies from the iron and steel industry on model-based optimization of production of direct reduced iron in a rotary kiln and induration of

  • Operational Aspects of Sponge Iron Production in a Rotary Kiln

    Sengupta, B L and Chatterjea, A B and Mathur, G P and Altekar, V A (1973) Operational Aspects of Sponge Iron Production in a Rotary Kiln. In: Symposium on Science and Technology of Sponge Iron and Its Conversion to Steel, Feb. 19-21, 1973, CSIR - National Metallurgical Laboratory, Jamshedpur.

  • Coal based Direct Reduction Rotary Kiln Process – IspatGuru

    14-02-2017 · The main raw materials for the production of DRI by the rotary kiln process are (i) sized graded iron ore or iron ore pellets, (ii) non-coking coal, and (iii) dolomite in small quantities to scavenge the sulphur. Iron ore of the right quality is the basic input for the coal based direct reduction process.

  • Rotary Kiln Manufacturers | Electrotherm E&T

    Rotary Kiln with SL/RN 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 coal/gas 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 ...

  • (PDF) Mathematical Modelling of Sponge Iron Production in ...

    We have applied predictive data analytics techniques for off-line optimization of granulation and sintering of iron ore fines, for on-line optimization of sponge iron production in a rotary kiln ...

  • US2754197A - Method and a rotary kiln for the manufacture ...

    V 6. Apparatus suitable for producing sponge iron from iron oxides comprising in combination a rotary kiln and a number of air blowers mounted on the outside of said kiln, said blowers having at least one vent extending into said kiln with a discharge opening axially positioned in said kiln and directed away from the feed end of the kiln.

  • A STUDY OF RING FORMATION OF SPONGE IRON IN THE ROTARY KILN

    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

  • Sponge Iron Production in Rotary Kiln: Sarangi, Bidyapati ...

    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.

  • Excellent Sponge Iron Kiln To Deal With Your ... - Rotary Kiln

    Sponge iron kiln’s cylinder: The design of the sponge iron rotary kiln cylinder is more 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.

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

    The sponge iron is produced in the form of lumps as well as fines. The production of sponge iron depends on metallization of iron ore. Fig. 1. Schematic of rotary kiln For the present work data of a typical industry of 527 T/day production capacity is collected for 25 days. The data of temperature T-1 to T-12, AT-1 to AT-3 and MF-1 and

  • Sponge Iron Production In Rotary Kiln By Sarangi Arabinda

    Sponge Iron Production In Rotary Kiln Pdf. Sponge iron production in rotary kiln The cooler is also inclined at 2 The largest improvements would be made by design modifications adopting a novel energy conservation scenario by process.

  • 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

  • Energy survey of the coal based sponge iron industry ...

    01-09-2015 · In the sponge iron process concentrated and finely divided iron ore is reduced in solid phase into sponge iron at high temperatures in rotary kiln. The process is very energy demanding. In order to identify the largest losses and to find ways to increase the efficiency, an energy survey of the sponge iron plant was carried out for a number of different production

  • 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 - 1 / 2 % L&P) where. P = Production,

  • Sponge Iron Production in Rotary Kiln: Sarangi, Bidyapati ...

    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

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

    The sponge iron is produced in the form of lumps as well as fines. The production of sponge iron depends on metallization of iron ore. Fig. 1. Schematic of rotary kiln For the present work data of a typical industry of 527 T/day production capacity is collected for 25 days. The data of temperature T-1 to T-12, AT-1 to AT-3 and MF-1 and

  • Sponge Iron Production In Rotary Kiln By Sarangi Arabinda

    Sponge Iron Production In Rotary Kiln Pdf. Sponge iron production in rotary kiln The cooler is also inclined at 2 The largest improvements would be made by design modifications adopting a novel energy conservation scenario by process.

  • Accretion Control in Sponge Iron Production Kiln using ...

    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 using a reducing agent in the form of non-coking coal [5].

  • sponge iron process

    03-08-2011 · 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 kiln length.

  • 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

  • 2 D Model of Sponge Iron Rotary Kiln Developed Using CFD

    In sponge iron industry rotary kiln is the primary equipment, which is used to reduce iron ore to metallic iron i.e. Fe which is called sponge iron. The performance of rotary kiln significantly affects the production capacities of these industries. The performance of rotary kiln is affected by temperature profile

  • 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

  • Modelling and optimization of a rotary kiln direct ...

    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

  • 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 - 1 / 2 % L&P) where. P = Production,