WhatsApp)
SPONGE IRON PLANT. MANUFACTURING PROCESS Coal based Direct reduction process is classified based on the reducing agent namely solid. Most solid reduction process use noncoking coal as reducing agent due to abundantly available noncoking coal. The process proposed to be adopted is the rotary kiln proposes using Noncoking coal and iron ore.
Amba Shakti Group is one of the most creditable steel companies of India.
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. ...
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 ...
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 process is adopted by worldwide conventional sponge iron industries.
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.
who make sponge iron from coal and iron ore process. 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 process
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...
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.
The company has the world''s largest coalbased sponge iron manufacturing facility at Raigarh, Chhattisgarh and stands out as the market leader in coalbased 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 ...
Jul 30, 2020· The actual process of the coal based sponge iron production is based on SL/RN proce ss (jointly developed by the S teel Company of Canada, L urgi Chemie, R epublic Steel Company and N ational Lead ...
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 ...
Tunnel Kiln Process For Sponge Iron. A tunnel kiln process direct reduction of iron ore from tunnel kiln process dec 27 2017 dri tunnel kiln case group dridirect reducted iron tunnel kiln was commissioned on 24 november 2011 the process of tunnel kiln uses fines of iron ore and coal which are mixed together in the oxides of iron are reduced to iron as per the above reactions
Oct 25, 2013· Coal gasificationbased sponge iron plant of Jindal Steel Power Ltd in Angul, Odisha, may become a game changer in the coming years. This plant is likely to be commissioned in 2013. Cost of syn gas and efficient running of gasifiers will be the key of success of this promising sponge iron process .
Nov 09, 2014· Sponge iron making process 1. ALBERTUS SEPTYANTOKO 2. IRON ORE • Iron = 6567 % • SiO2 + Al2O3 = 23 % • CaO + MgO = 0,51 % • Sulphur = 0,02 % max • Phosphorus = 0,04 % max Chemical Composition • Size = 518 mm • Shatter Index = +95 % • Tumbler index = +88 % • Reducibility Index = +94 % • Thermal Degradation Index = 5 % Physical Composition
be broadly classified into two groups: (1) coalbased DR proces s and (2) gasbased DR process. Details of DR processes, reoxidation, storage, tran sportation, and application of DRI are discussed in
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 ...
Iron Sponge Process
Coalbased sponge iron process The process of the direct reduction of haematite in a rotary kiln is schematically described in the Fig. 1. Haematite and noncoking coal are fed to the kiln at controlled rates without premixing and the charge moves through the kiln depending upon the rotation
MANUFACTURING PROCESS Coal based Direct reduction process is classified based on the reducing agent namely solid. Most solid reduction process use noncoking coal as reducing agent due to abundantly available noncoking coal. The process proposed to be adopted is the rotary kiln proposes using Noncoking coal and iron ore.
• 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 .
DRI is successfully manufactured through either gas or coalbased technology. Iron ore is reduced in solid state at 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 5mm18mm size) are tumbled ...
DRI is also known as sponge iron it is a solidstate direct reduction process Fig 26 Coal dolomite and iron ore or pellets are fed into one end of a rotary kiln while sponge iron and char are withdrawn from the other end Primary and secondary airs are supplied to the kiln to initiate combustion and reaction processes Choudhury 2014 . See Details >
WhatsApp)