rotary kiln design calculations in sponge iron plant

rotary kiln design calculations in sponge iron plant

SPONGE IRON PLANT

2018-9-24 · 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

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

2020-9-10 · In the newly designed sponge iron rotary kiln system, a coarse coal branch pipe and fine coal branch pipe are added at the kiln head. The original way of adding 100% coal at the kiln head is changed to 50-70% coal is added together with fine iron ore and dolomite through the mixing mode at the kiln tail, and the remaining 30-50% coal is added ...

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OPERATIONAL ASPECTS OF SPONGE IRON

2012-1-10 · 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 ...

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Modelling and optimization of a rotary kiln direct ...

2014-8-5 · production. In this paper the direct reduction of iron ore to sponge iron is used as an example. The model incorporates a large number of variables, covering, among others: feed properties and rates, combustion options, kiln operating information (speed and fill level), blower locations and flow rates, and the environmental conditions.

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(PDF) 2 D Model of Sponge Iron Rotary Kiln Developed

2021-12-9 · Nov 2016. Gajendra Kumar Gaurav. Shabina Khanam. 2D CFD model of rotary kiln of sponge iron process is developed to study the effects of angle of inclination, number of rotation and mass flow rate ...

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Computational fluid dynamics analysis of sponge iron ...

2017-3-1 · The rotary kiln consists of a rotating cylindrical shell lined inside with refractory material. The kiln is around 80 m long with 4 m internal diameter.For different production capacities of the plant the variation in length and diameter of the kiln is from 40 to 100 m and from 2 to 5 m, respectively.The kiln is inclined with horizontal at 2.5 degree and it rotates with 4.3 rpm.

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A Thesis Submitted for Partial Fulfillment of the Degree ...

2012-5-29 · 3.1 Material Balance in a Rotary Kiln sponge iron plant 14 3.2 Energy Balance in a Rotary Kiln sponge based iron making 14 3.3 Schematic of optimised Rotary kiln sponge iron making process 21 4.1 Industrial view of Sponge Iron making Rotary Kiln 24 4.2 Schematic view of internal heat exchange in Rotary kiln 26

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DESIGN OF WASTE HEAT RECOVERY SYSTEM IN A

2011-5-13 · The waste gas from a sponge iron plant exits at a temperature of around 200-300 C. A lot of sensible heat is lost with these gases. This heat is utilized to preheat the air entering to kiln. Further, the waste gas at reduced temperature is used to cool hot sponge iron which is previously carried out by water.

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Accretion Control in Sponge Iron Production Kiln using ...

processing plant determines the type of control strategy to be implemented. Sponge iron production process requires accurate monitoring and control of the process parameters. The performance of rotary kiln sponge iron based processes is normally affected by accretion build up along the kiln linings. Accretion build up is the

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Analysis of temperature profile and % metallization in ...

2016-6-1 · In the sponge iron industry rotary kiln is the primary equipment, which is used to reduce iron ore to metallic iron i.e. Fe. Though sponge iron is a hard solid material, it is called sponge iron due to its honeycomb structure. Rotary kiln is also widely used in cement industry.

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OPERATIONAL ASPECTS OF SPONGE IRON

2012-1-10 · 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 ...

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(PDF) 2 D Model of Sponge Iron Rotary Kiln Developed

2021-12-9 · Nov 2016. Gajendra Kumar Gaurav. Shabina Khanam. 2D CFD model of rotary kiln of sponge iron process is developed to study the effects of angle of inclination, number of rotation and mass flow rate ...

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A Thesis Submitted for Partial Fulfillment of the Degree ...

2012-5-29 · 3.1 Material Balance in a Rotary Kiln sponge iron plant 14 3.2 Energy Balance in a Rotary Kiln sponge based iron making 14 3.3 Schematic of optimised Rotary kiln sponge iron making process 21 4.1 Industrial view of Sponge Iron making Rotary Kiln 24 4.2 Schematic view of internal heat exchange in Rotary kiln 26

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

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. The initial chapters give a brief on the fundamental theories and basic principles of sponge iron

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Accretion Control in Sponge Iron Production Kiln using ...

processing plant determines the type of control strategy to be implemented. Sponge iron production process requires accurate monitoring and control of the process parameters. The performance of rotary kiln sponge iron based processes is normally affected by accretion build up along the kiln linings. Accretion build up is the

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Sponge Iron :: Shri-Bajrang

In the Direct Reduced Iron (DRI) plant, production of sponge iron is done using coal. This reduction process is done in a rotary kiln at temperature of around 850ᵒC-1050ᵒC. The material discharged from the kiln is taken to a rotary cooler and cooled product is

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Development of energy conservations scenarios for

2011-1-16 · Coal based sponge iron plant: a conventional process. The process flow diagram of conventional coal-based sponge iron plant is shown in Fig. 1. The operating data shown in Fig. 1 is taken from a typical Indian sponge iron plant. In the conventional process kiln feed, which consists of iron ore, feed coal, and dolomite, is fed to the rotary kiln.

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Sponge Iron - an overview | ScienceDirect Topics

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 800–1200 °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 ...

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Plant & Facilities - PATNAIK STEELS and ALLOYS LTD.

In the DRI plant, production of sponge iron using a solid reductant involves reducing iron ore (lumps/pellets) with carbonaceous materials like coal or lignite. The reduction is carried out in a rotary kiln (which is inclined and rotates at a predetermined range of speeds) at a stipulated temperature (850°C -1050°C).

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Mass balance around main components of the plant on

The present work investigates the design modifications which can lead to efficient energy integration in coal-based sponge iron plant with a capacity of 500 t/day.

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(PDF) 2 D Model of Sponge Iron Rotary Kiln Developed

2021-12-9 · Nov 2016. Gajendra Kumar Gaurav. Shabina Khanam. 2D CFD model of rotary kiln of sponge iron process is developed to study the effects of angle of inclination, number of rotation and mass flow rate ...

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OPERATIONAL ASPECTS OF SPONGE IRON

2012-1-10 · 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 ...

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Sponge Iron :: Shri-Bajrang

In the Direct Reduced Iron (DRI) plant, production of sponge iron is done using coal. This reduction process is done in a rotary kiln at temperature of around 850ᵒC-1050ᵒC. The material discharged from the kiln is taken to a rotary cooler and cooled product is

Obtener precio

Accretion Control in Sponge Iron Production Kiln using ...

processing plant determines the type of control strategy to be implemented. Sponge iron production process requires accurate monitoring and control of the process parameters. The performance of rotary kiln sponge iron based processes is normally affected by accretion build up along the kiln linings. Accretion build up is the

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Rotary Kiln Plant Manufacturers: All ... - Sponge Iron Plant

Rotary Kiln Plant: We manufacture high quality low setup cost Rotary Kiln Plants on turnkey basis, including design, upgrade rotary kiln, and complete cement plant. Contact at [email protected] or call +91 9811141400

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Rotary Kiln Maintenance Procedures

2019-6-15 · rotary kiln operations. Regardless of rotary kiln size or configuration the basic principles outlined in this manual govern the reliable operation of every rotary kiln, calciner, dryer, incinerator, digester and cooler application. For questions or problems with your specific application please contact North American Kiln for assistance.

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Sponge Iron - an overview | ScienceDirect Topics

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 800–1200 °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 ...

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SPONGE IRON UNIT - SEIL

2021-1-2 · 6. The product i.e. Sponge Iron and semi burnt coal are discharged from the kiln through a rotary cooler. The cooler is 12M in length and water is sprayed directly as well as indirectly for cooling the material. The material is cooled down to 100oC and fed to magnetic separator for separating the sponge iron and non-magnetic (char). The Sponge ...

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SNEH IRON & ENGINEERING SERVICES PVT. LTD.

2021-12-18 · We would like to introduce ourselves as a complete house for Engineering, Design and Construction & Total Project Management. We boast our expertise in the field of Sponge Iron making through Rotary Kiln & Tunnel Kiln route, Mineral Beneficiation, Material Handling (Crushing, Sizing), Pelletizing, Captive Power Plant using waste heat and fludized bed Boilers,

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Rotary Dryer Design Calculation Xls - Krosline

Rotary Dryer Design Calculation Xls. 22 condenser moden many vacuum processes drying, distillation, large volumes of vapor are released that have to be pumped downoreover, significant volumes of leakage air will penetrate into large vessels, and those substances that are being vaporized or dried will release additional air that is contained in pores or dissolved in liquids.

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