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sponge iron production in rotary kiln

OPERATIONAL ASPECTS OF SPONGE IRON PRODUCTION IN

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 Production in Rotary Kiln: Sarangi, Bidyapati ...

Jan 01, 2011  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.

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Sponge Iron Production in Rotary Kiln, Sarangi, A. Sarangi ...

Jan 30, 2011  Sponge Iron Production in Rotary Kiln - Kindle edition by Sarangi, A. Sarangi, B.. Download it once and read it on your Kindle device, PC, phones or tablets. Use features like bookmarks, note taking and highlighting while reading Sponge Iron Production in Rotary Kiln.

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ppt for rotary kiln process of making sponge iron rotary

SPONGE IRON PRODUCTION FROM ORE. However Rotary kiln process suffers from serious limitations like low productivity and pollution In this respect fixed bed Tunnel kiln furnace are evolving as an alternative to Rotary kiln process Iron ore fines and the low grade beneficiated iron ore cake are directly used for manufacturing of sponge iron in tunnel kilns...

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SPONGE IRON PLANT

The major Raw Materials required for production of Sponge Iron by the rotary kiln process are: sized graded Iron Ore and Non-Coking coal. Limestone, in small quantities, is also required to scavenge the sulphur. IRON ORE The quality requirement of Sized ore for sponge iron production

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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 [Patra et al, (2005)]. The ...

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

Sep 10, 2020  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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Computational fluid dynamics analysis of sponge iron ...

Mar 01, 2017  Rotary kiln is the primary equipment in sponge iron industry, which is used to reduce iron ore to metallic iron i.e. Fe. It is called sponge iron. Rotary kiln is widely used in cement and steel industries. The production capacities of these industries depend significantly on the performance of 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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Sponge iron making process - SlideShare

Nov 09, 2014  ROTARY COOLER The product is conveyed to the product separation and storage building The product is Sponge iron and char Place that spraying a controlled amount of water directly into hot solids and by spraying additional water outside the cooler shell. 12. SCREENING + 10 mm 3

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

Jun 30, 2011  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 production ...

Read More
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 [Patra et al, (2005)]. The ...

Read More
SPONGE IRON PRODUCTION FROM ORE -COAL

However, Rotary kiln process suffers from serious limitations like low productivity and pollution. In this respect fixed bed Tunnel kiln furnace are evolving as an alternative to Rotary kiln process. Iron ore fines and the low grade beneficiated iron ore cake are directly used for manufacturing of sponge iron in tunnel kilns.

Read More
Accretion Control in Sponge Iron Production Kiln using ...

Sep 23, 2014  Sponge iron is the product generated by direct reduction of iron ore with aid of either carbon or natural gas under controlled temperatures and pressures within a rotary kiln. However the performance of rotary kilns is usually adversely affected by the formation of accretion. This accumulation of sintered solid particles which form rings along the length of the kiln hinders material flow ...

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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].

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(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 wet iron ore pellets on a moving packed bed ...

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

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 4.3 Schematic view of Lobe Blower. 27 4.4 Schematic view of Air material flow in Rotary kiln 27 4.5 Filling of Bed Geometry 28

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Computational fluid dynamics analysis of sponge iron ...

Mar 01, 2017  Rotary kiln is the primary equipment in sponge iron industry, which is used to reduce iron ore to metallic iron i.e. Fe. It is called sponge iron. Rotary kiln is widely used in cement and steel industries. The production capacities of these industries depend significantly on the performance of rotary kiln.

Read More
ppt sponge iron manufacturing process

ppt for rotary kiln process of making sponge iron rotary. sponge iron production in rotary kiln. 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

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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

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sponge iron process - machiavelli.pl

In general sized iron ore of 5-18mm is used in the process of manufacture of sponge iron on all types of rotary kiln with +16mm not exceeding 15-20%.The mean particle size of iron ore shall be restricted to 11mm in order to achieve uniform Fe metallic of all grain size fraction of the product.

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Buy Sponge Iron Production in Rotary Kiln Book Online at ...

Jan 01, 2010  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.

Read More
Sponge Iron Production Line - Buy Sponge Iron Production ...

Reduction of rotary kiln discharge exhaust gas directly into the heating rotary kiln, rotary kiln head installed heating burner, guarantee the heating process of rotary kiln temperature, heating rotary kiln discharge temperature about 800 ℃, in order to save energy, and reduce into heat temperature fan, discharge from the heating rotary kiln ...

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rotary kiln DRI production technology - YouTube

Our company is professionally engaged in research and development on direct reduced iron technology, we mainly popularize rotary kiln technology and rotary h...

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

Jan 01, 2011  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.

Read More
Mathematical Modelling of Sponge Iron Production in a ...

2Tata Sponge Iron Ltd., Joda, INDIA Keywords: Sponge iron, Coal, Rotary kiln, Modelling, Optimisation INTRODUCTION India is the largest producer of sponge iron or direct reduced iron

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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

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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 ...

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SPONGE-IRON - Shakambhari Group

In the Direct Reduced Iron (DRI) plant, production of sponge iron using a solid reductant involves reducing iron ore (lumps/pellets) with a carbonaceous material such as coal. The reduction is carried out in a rotary kiln (which is inclined and rotates at a pre-determined range of speeds) at a stipulated temperature (850°C -1,500°C).

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Super Refractories - Sponge Iron Production

GAS BASED SPONGE IRON ROTARY KILN. Application. Recommended Products. BUSTLE PORT. CUMILOX 201 HF. REACTOR HOT FACE LINING. CUMILOX K313W. REACTOR BACK UP. CUMILAC 29.

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PROCESS FOR PRODUCTION OF SPONGE IRON -

Process for production of sponge iron by direct reduction of iron ore wherein iron ore admixed with a carbonaceous reducing agent is passed through a rotary kiln countercurrent to a gas stream, and wherein granular coking high volatile coal is injected co-current to said gas stream as a solid reducing agent by means of oxygen containing gases through an inlet pipe, and said solid reducing ...

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ppt sponge iron manufacturing process

ppt for rotary kiln process of making sponge iron rotary. sponge iron production in rotary kiln. 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

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Sponge Iron - MSPSteel

In the DRI plant, production of sponge iron using a solid reductant involves reducing iron ore (lumps/pellets) with a carbonaceous material like coal or lignite. The reduction is carried out in a rotary Kiln (which is inclined and rotates at a pre-determined range of speed) at a

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DRI UPDATE - Sponge Iron Manufacturer India

2. ED, SIMA requested the participants to volunteer to spare their rotary kiln for carrying out the RD for exploring the use of Syn Gas in the rotary kiln. Mr. T Srinivasa Rao, MD, Balajiswamy Premium Steels Pvt Ltd offered his 50TPD kiln for this purpose. 3. Presentation from Tata Sponge Iron Ltd was very much liked and lot of the people showed

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Sponge Iron Production Line - Buy Sponge Iron Production ...

Reduction of rotary kiln discharge exhaust gas directly into the heating rotary kiln, rotary kiln head installed heating burner, guarantee the heating process of rotary kiln temperature, heating rotary kiln discharge temperature about 800 ℃, in order to save energy, and reduce into heat temperature fan, discharge from the heating rotary kiln ...

Read More
sponge iron process - machiavelli.pl

In general sized iron ore of 5-18mm is used in the process of manufacture of sponge iron on all types of rotary kiln with +16mm not exceeding 15-20%.The mean particle size of iron ore shall be restricted to 11mm in order to achieve uniform Fe metallic of all grain size fraction of the product.

Read More
Sponge Iron Production In Rotary Kiln

Sponge Iron Production From Ore. Abstract: today india stands as the largest producer of coal based sponge iron through rotary kiln process using calibrated ore and non coking coal. however, rotary kiln process suffers from serious limitations like low productivity and pollution. in this respect fixed bed tunnel kiln furnace are evolving as an alternative to rotary kiln.

Read More
Accretion Control in Sponge Iron Production Kiln using ...

Sep 23, 2014  Sponge iron is the product generated by direct reduction of iron ore with aid of either carbon or natural gas under controlled temperatures and pressures within a rotary kiln. However the performance of rotary kilns is usually adversely affected by the formation of accretion. This accumulation of sintered solid particles which form rings along the length of the kiln hinders material flow ...

Read More