PRODUCTS

  • OPERATIONAL ASPECTS OF SPONGE IRON PRODUCTION IN A

    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 iron.

    Rotary Kiln Process Of Making Sponge Iron

    05-01-2013· 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 Now

    (PDF) Modeling of Rotary Kiln for Sponge Iron Processing

    DRI based steel making is therefore the only answer.Sponge iron, also called Direct-reduced iron (DRI), [2] is produced from direct reduction of iron ore (in the form of lumps, pellets or fines) by a reducing gas produced from natural gas or coal.

    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 3-10 mm

    sponge iron process

    29-07-2010· 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.

    Rotary Kiln Process Of Making Sponge Iron

    05-01-2013· 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 Now

    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

    process making sponge iron rotary kiln price

    process making sponge iron rotary kiln price. Model NO.:Rotary Kiln ProcessofMaking Sponge IronType:Iron-MakingEquipment Certification: ISO Lateritic NickelRotary Kiln:Rotary Kilnfor Laterite Nickel Ore Calcining Output: 80-100 T/H(Roasted Sand) Application: Roasting Laterite Ores...We are a professional mining machinery manufacturer, the main equipment including: jaw crusher, cone

    sponge iron process

    29-07-2010· 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.

    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: 10.7763/IJET.2014.V6.673 95 Abstract—In the present study, estimation of actual output parameters is carried out for a sponge iron production process

    Sponge iron making process SlideShare

    09-11-2014· Sponge iron making process 1. ALBERTUS SEPTYANTOKO 2712100014 2. IRON ORE • Iron = 65-67 % • SiO2 + Al2O3 = 2-3 % • CaO + MgO = 0,5-1 % • Sulphur = 0,02 % max • Phosphorus = 0,04 % max Chemical Composition • Size = 5-18 mm • Shatter Index = +95 % • Tumbler index = +88 % • Reducibility Index = +94 % • Thermal Degradation Index = 5 % Physical Composition

    SPONGE IRON PRODUCTION FROM ORE -COAL COMPOSITE

    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.

    New Sponge Iron Rotary Kiln Design In Sponge Iron

    10-09-2020· Sponge iron rotary kiln is professional equipment for smelting sponge iron. Due to its high degree of mechanization and low labor intensity, many sponge iron plants around the world use the rotary kiln process to produce sponge iron.

    Excellent Sponge Iron Kiln To Deal With Your Rotary

    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.

    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 rates.

    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

    Process Of Making Sponge Iron By Rotary Kiln

    We have Process Of Making Sponge Iron By Rotary Kiln,Consequently, they were replaced by the high production rate indirect process, and the development of modern dr process did not begin until the middle of 19th century. perhaps the very first patent in u.k. for sponge iron making was in 1792 presumably using a rotary kiln. more than 100 dr processes have been invented and operated since

    rotary kiln process of making sponge iron Solution for

    process making sponge iron rotary kiln animation in south africa jzdongying kiln direct reduction iron (DRI iron (sponge) that imported from Malaysia, Australia, South Africa, and iron (sponge iron) process by Coal : The most critical raw material for sponge iron making. Sponge iron making is a process in which iron

    Rotary Kiln Process Of Making Sponge Iron

    05-01-2013· 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 Now

    sponge iron process

    03-08-2011· Wednesday, August 3, 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

    Sponge iron making process SlideShare

    09-11-2014· Sponge iron making process 1. ALBERTUS SEPTYANTOKO 2712100014 2. IRON ORE • Iron = 65-67 % • SiO2 + Al2O3 = 2-3 % • CaO + MgO = 0,5-1 % • Sulphur = 0,02 % max • Phosphorus = 0,04 % max Chemical Composition • Size = 5-18 mm • Shatter Index = +95 % • Tumbler index = +88 % • Reducibility Index = +94 % • Thermal Degradation Index = 5 % Physical Composition

    SPONGE IRON PRODUCTION FROM ORE -COAL COMPOSITE

    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.

    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

    tunnel kiln process for sponge iron

    tunnel kiln process of iron ore reduction. SPONGE IRON PRODUCTION FROM ORE -COAL COMPOSITE In the year 1908 use of tunnel kiln started for iron oxide reduction. This process was invented by E.Sieurin as Hoganas process [3]. In 1954, more kilns came in operation in

    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 rates.

    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 de-sulphurizing agents (lime-stone or raw dolomite) into an inclined rotary kiln, heated counter current to the flow of hot

    Rotary Kiln Process Of Making Sponge Iron

    05-01-2013· 05-01-2013· 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 Now

    rotary kiln process of making sponge iron Solution for

    process making sponge iron rotary kiln animation in south africa jzdongying kiln direct reduction iron (DRI iron (sponge) that imported from Malaysia, Australia, South Africa, and iron (sponge iron) process by Coal : The most critical raw material for sponge iron making. Sponge iron making is a process in which iron

    sponge iron process

    29-07-2010· 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.

    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: 10.7763/IJET.2014.V6.673 95 Abstract—In the present study, estimation of actual output parameters is carried out for a sponge iron production process

    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

    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.

    Sponge iron making process SlideShare

    09-11-2014· Sponge iron making process 1. ALBERTUS SEPTYANTOKO 2712100014 2. IRON ORE • Iron = 65-67 % • SiO2 + Al2O3 = 2-3 % • CaO + MgO = 0,5-1 % • Sulphur = 0,02 % max • Phosphorus = 0,04 % max Chemical Composition • Size = 5-18 mm • Shatter Index = +95 % • Tumbler index = +88 % • Reducibility Index = +94 % • Thermal Degradation Index = 5 % Physical Composition

    New Sponge Iron Rotary Kiln Design In Sponge Iron

    10-09-2020· Sponge iron rotary kiln is professional equipment for smelting sponge iron. Due to its high degree of mechanization and low labor intensity, many sponge iron plants around the world use the rotary kiln process to produce sponge iron.

    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