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Objective: A typical coal based sponge iron plant is investigated to utilized waste heat to preheat the feed coal and air as well as increase the productivity of sponge iron by applying heat integration using simulation process. Methods: In the present work, utilized waste heat to preheat the feed coal and air, heat integration process using modified pinch approach is applied and to increase ...
Nov 09, 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
In India, the standard DRI processes are modified in a minor way and thereafter referred to as customized/indigenous technology. Only trivial changes in terms of the feed ratio, length and the diameter of the kiln are made in the name of customized technology. These customized technologies are dominating the coal based sponge iron process in India.
Boudouard reaction, dolomite, DRI, Iron ore, metallization, non coking coal, pellets, reduction, Rotary kiln, Sponge iron, Sulphur, Coal based Direct Reduction Rotary Kiln Process . The coal based direct reduction rotary kiln process was developed for converting iron ore directly into metallic iron without the melting of the materials.
be broadly classified into two groups: (1) coal-based DR proces s and (2) gas-based DR process. Details of DR processes, reoxidation, storage, tran sportation, and application of DRI are discussed in
• Sponge iron produced by the process will be the high grade which contains 80% Fe, 12% FeO and 8% gangue material. After separation of sponge iron in the magnetic screen/pulley, the remains are collected as char. Char has good amount of fixed carbon (25% - 30%) and moderate GCV (2500 - .
Manufacturer of Coal & Gas based DRI Plant - Rotary Kiln for Making Sponge Iron, Sponge Iron Plant, Gas Based HYL DRI Plant and Coal Based DRI Plant offered by Remso Control Technologies Private Limited, Greater Noida, Uttar Pradesh.
SPONGE IRON PLANT. MANUFACTURING PROCESS Coal based Direct reduction process is classified based on the reducing agent namely solid. Most solid reduction process use non-coking coal as reducing agent due to abundantly available non-coking coal. The process proposed to be adopted is the rotary kiln proposes using Non-coking coal and iron ore.
Brief description of sponge iron plant process. 40. 4.2. Technological options for coal based plants. 42. 5.0. Status of Sponge Iron Plants in India. Get Price; Iron and Steel 2020.pdf - Indian Bureau of Mines. sponge iron also referred to as Direct reduced iron (DRI), based both on coal and gas as well as to (a) Coal-based Rotary Kiln Krupp ...
MANUFACTURING PROCESS Coal based Direct reduction process is classified based on the reducing agent namely solid. Most solid reduction process use non-coking coal as reducing agent due to abundantly available non-coking coal. The process proposed to be adopted is the rotary kiln proposes using Non-coking coal and iron ore.
DRI is successfully manufactured through either gas or coal-based technology. Iron ore is reduced in solid state at 800-1050 c either by reducing gas (H2+CO) or coal. The direct reduction process uses palletized iron or natural 'lump' ore. Process. Sponge iron making is a process in which iron ore lumps (typically 5mm-18mm size) are tumbled ...
Direct-reduced iron (DRI), also called sponge iron is produced from direct reduction of iron (in the form of lump, pellets or fines) by a reducing gases produced from natural gas or coal. This reduction takes place in the temperature range 800- 1050 degrees C when reducing gases; mainly Hydrogen and Carbon-monoxide; react with the iron oxides ...
Sep 01, 2015· The actual process of the coal based sponge iron production is based on SL/RN process (jointly developed by the Steel Company of Canada, Lurgi Chemie, Republic Steel Company and National Lead Corporation in 1964), which works on direct reduction of ore.This process is adopted by worldwide conventional sponge iron industries.
The company has the world's largest coal-based sponge iron manufacturing facility at Raigarh, Chhattisgarh and stands out as the market leader in coal-based sponge iron industry within India. ... The plant uses direct reduced iron (DRI) process method of production and utilises ten indigenously developed rotary kilns (6 kilns of 300 tonnes per ...
Make Sponge Iron From Coal And Iron Ore Process. We are a large-scale manufacturer specializing in producing various mining machines including different types of sand and gravel equipment, milling equipment, mineral processing equipment and building materials equipment.
Sponge Iron Production Process. Market share: About 23% of sponge iron total production 4) Tunnel furnace process This process is the oldest direct reduction method In this method, Thermal coal is mixed with iron ore as a reducing agent Natural gas generates the required reduction temperature, and reduction is performed on Silicon Carbide (SiC) Crucibles in a tunnel furnace...
Mar 16, 2013· Major DRI production processes are either natural gas based or coal based. Feed material for the DR process is either sized iron ore of size ranging from 10 mm to 30 mm or iron ore pellets of size ranging from 8 mm to 20 mm produced in an iron ore pellet plant. The gas based process uses a shaft furnace for the reduction reaction.
Sponge iron produced using the non coking coal is called coal based sponge iron / DRI. For producing the sponge iron through this process requires high grade of iron ore and non coking coal. Gas Based DRI / HBI. In this process route, iron oxides are converted to the DRI / HBI by using natural gas in a vertical shaft furnace. ...
The process of sponge iron making aims to remove the oxygen from iron ore. The quality of sponge iron is primarily ascertained by the percentage of metallization (removal of oxygen), which is the ratio of metallic iron to the total iron present in the product. ... SL/RN technology is a coal based rotary kiln direct reduction process : Process ...
crusher in sponge iron process - gites-en-france. brief process of coal based sponge iron rotary kiln. Customers want and that is our goal we produce ore crusher( brief process of coal based sponge iron rotary kiln) mill crusher mobile crushing plant processing equipment according to the specific needs of our design and production lines fully the interests of customers.
India is the world's largest producer of sponge iron, most of which is produced primarily through the coal based method of production. Growth in the sponge iron production can be attributed largely to the popularity of secondary steelmaking route, which has shown a phenomenal growth in India.
Coal Based Sponge Iron Process Dajia Mining Machinery. FOB Reference Price: Get Latest Price Ball Mill Operating Principles Ponents Uses. Ball mill the nature of the balls hardness of the grinding material feed rate and feed level in the vessel rotation speed of the cylinder several types of ball mill exist they differ to an extent in their operating principle they also differ in their maximum ...
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