rotary kiln for making sponge iron

New Sponge Iron Rotary Kiln Design In Sponge Iron

10/09/2020· 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 originalSponge 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 desulphurizing agents (limestone or raw dolomite) into an inclined rotary kiln, heated counter current to the flow of hot gas and reduced to form sponge iron Depending on its content of volatile matter, the coal is partly blown into theOPERATIONAL ASPECTS OF SPONGE IRON PRODUCTION IN A

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 Q235B 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 It assured that both the rigidity of the crosssection and the stressRotary Kiln Process of Making Sponge Iron Rotary Kiln Process of Making Sponge Iron Product Description CITICIC Lateritic Nickel Rotary Kiln technical characteristics: 1 Kiln body is made of high quality composed of carbon steel or alloy steel plate and automatic welding; 2 Tyre,Support Roller,Open gear adopts alloy cast steel; 3 Sliding bearing with large gap notRotary Kiln Process of Making Sponge Iron Mechanical Kingdom

OPERATIONAL ASPECTS OF SPONGE IRON PRODUCTION IN A ROTARY KILN

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 desulphurizing agents (limestone or raw dolomite) into an inclined rotary kiln, heated counter current to the flow of hot gas and reduced to form sponge iron Depending on its content of volatile matter, the coal is partly blown into theSponge iron kiln’s cylinder: The design of the sponge iron rotary kiln cylinder is more reasonable The cylinder is rolled with a Q235B 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 It assured that both the rigidity of the crosssection and the stressExcellent Sponge Iron Kiln To Deal With Your Rotary Kiln

Rotary Kiln Process of Making Sponge Iron Mechanical Kingdom

Rotary Kiln Process of Making Sponge Iron Rotary Kiln Process of Making Sponge Iron Product Description CITICIC Lateritic Nickel Rotary Kiln technical characteristics: 1 Kiln body is made of high quality composed of carbon steel or alloy steel plate and automatic welding; 2 Tyre,Support Roller,Open gear adopts alloy cast steel; 3 Sliding bearing with large gap notrotary kiln sponge iron Prior art date 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 USA Inventor Wienert Fritz Otto Original Assignee Wienert Fritz Otto Priority date (TheUSA Method and a rotary kiln for the manufacture

Sponge Iron Rotary Kiln&Rotary Kiln Process of Making

Product Description CITICIC Lateritic Nickel Rotary Kiln technical characteristics: 1 Kiln body is made of high quality composed of carbon steel or alloy steel plate and automatic welding; 2 Tyre,Support Roller,Open gear adopts alloy cast steel; 3 Sliding bearing with large gap not scraping tile bearing; 4Transmission device adopts hard tooth surface reducer, flexibleRotary Kiln Process of Making Sponge Iron US $1,000,000 / Set 18012000 Tpd High Output Lime Rotary Kiln for Lime Production LineSponge Iron Rotary Kiln&Rotary Kiln Process of Making

Flow of materials in rotary kilns used for sponge iron

Flow of materials in rotary kilns used for sponge iron manufacture: Part II Effect of kiln geometry Amit Chatterjee 1, A V Sathe 2 & P K Mukhopadhyay 2 Metallurgical Transactions B volume 14, pages 383–392 (1983)Cite this article 270 Accesses 21 Citations Metrics details Abstract The present work identifies the basic features of burden movement in a rotary kilnThe performance of rotary kiln sponge iron based processes is normally affected by accretion build up along the kiln linings Accretion build up is the accumulation of semimolten material which form rings along kiln lining These rings narrow the kiln diameter thereby hindering efficient material flow and effect lowering production rate and performance of the kiln PID controllersAccretion Control in Sponge Iron Production Kiln using

A Thesis Submitted for Partial Fulfillment of the Degree

41 Industrial view of Sponge Iron making Rotary Kiln 24 42 Schematic view of internal heat exchange in Rotary kiln 26 43 Schematic view of Lobe Blower 27 44 Schematic view of Air & material flow in Rotary kiln 27 45 Filling of Bed Geometry 28 61 Schematic Drawing of discharge end of Kiln 38 62 2D & 3D model of Sponge iron Rotary Kiln 39 63 Faces of lobethe DRI rotary kiln to improve utilization of Thermal Energy 2) Technological options for recovery of heat which is being lost a)from exhaust gas (which is at 170 180°C ) b)Indirect cooling of product from 1050°C to 100°C 17 17 • Auto regulation of Roots blower to control the quality of Sponge Iron • Auto control of SAB blowers to restrict accretion formation • Integration ofDRI UPDATE Sponge Iron Manufacturer India

Sponge Iron Rotary Kiln&Rotary Kiln Process of Making

Product Description CITICIC Lateritic Nickel Rotary Kiln technical characteristics: 1 Kiln body is made of high quality composed of carbon steel or alloy steel plate and automatic welding; 2 Tyre,Support Roller,Open gear adopts alloy cast steel; 3 Sliding bearing with large gap not scraping tile bearing; 4Transmission device adopts hard tooth surface reducer, flexible05/01/2013· process of sponge iron by rotary kiln – Grinding Mill China Posted at: January 5, 2013 Rotary Kiln Process of Making Sponge Iron The production of steel began in ancient times; but because of the complexity Click & Chat NowRotary Kiln Process Of Making Sponge Iron

Sponge Iron Rotary Kiln&Rotary Kiln Process of Making

Rotary Kiln Process of Making Sponge Iron US $1,000,000 / Set 18012000 Tpd High Output Lime Rotary Kiln for Lime Production LineFlow of materials in rotary kilns used for sponge iron manufacture: Part II Effect of kiln geometry Amit Chatterjee 1, A V Sathe 2 & P K Mukhopadhyay 2 Metallurgical Transactions B volume 14, pages 383–392 (1983)Cite this article 270 Accesses 21 Citations Metrics details Abstract The present work identifies the basic features of burden movement in a rotary kilnFlow of materials in rotary kilns used for sponge iron

Accretion Control in Sponge Iron Production Kiln using

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 accumulation of semimolten material which form rings along kiln lining These rings narrow the kiln diameter thereby hindering efficient material flow and effect lowering production rate and performance of the kiln PID controllers03/08/2011· 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 6070% of total kiln lengthsponge iron process

sponge iron process

29/07/2010· In general sized iron ore of 518mm is used in the process of manufacture of sponge iron on all types of rotary kiln with +16mm not exceeding 1520%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 The mean particle size ratio of iron ore to feed coal shall be in theAs such it is called Sponge Iron Sponge iron making is a process in which iron ore lumps (typically 5mm18mm size) are tumbled with a 'select' grade of ironcoking coal little dolomite inside an inclined rotary kiln and control combusted in the presence of air for about 12 hours before the products are air cooled, magnetically separated and screened Sponge iron isSponge Iron :: TMT Next Building The New

Sponge iron making process SlideShare

09/11/2014· 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 310 mm 3 mm 13the DRI rotary kiln to improve utilization of Thermal Energy 2) Technological options for recovery of heat which is being lost a)from exhaust gas (which is at 170 180°C ) b)Indirect cooling of product from 1050°C to 100°C 17 17 • Auto regulation of Roots blower to control the quality of Sponge Iron • Auto control of SAB blowers to restrict accretion formation • Integration ofDRI UPDATE Sponge Iron Manufacturer India

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