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Direct reduced iron (DRI), also called sponge iron, is produced from the direct reduction of iron ore (in the form of lumps, pellets, or fines) to iron by a reducing gas or elemental carbon produced from natural gas or coal. Many ores are suitable for direct reduction.
Sponge iron or direct reduced iron (DRI) is a transitional material used in the production of steel. Either coal or natural gas is used in sponge iron production. In India, non-coking coal is easily available. Thus, the sector depends mostly on coal-based sponge iron and nearly 80% of the total coal-based sponge iron .
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 .
2. COAL BASED SPONGE IRON PLANT: A CONVENTIONAL PROCESS The process flow diagram of conventional coal based sponge iron plant is shown in figure 1. The operating data, shown in figure 1, is taken from a typical Indian coal based sponge iron plant where iron ore, feed coal and dolomite are fed to the rotary kiln.
Jul 29, 2010· We are the largest producer of sponge iron using non coking coal as a reductant and and are having the largest coal based plant in the world. We shall discuss in detail all technical aspects of coal base sponge iron making with particular reference to control of important process parameters to achieve quality sponge iron in this august gathering.
We are the largest producer of sponge iron using non coking coal as a reductant and and are having the largest coal based plant in the world. We shall discuss in detail all technical aspects of coal base sponge iron making with particular reference to control of important process parameters to achieve quality sponge iron in this august gathering.
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 process flow sheet of a typical coal-based sponge iron. Get Price And Support Online; Energy survey of the coal based sponge. (PDF . The efficiency of the coal based sponge iron process is defined as . the process (mainly rotary kiln) . energy in coal based sponge iron industry . .
Environmental Control Measures in Sponge Iron Industry with Particular Reference to Tata Sponge Iron Limited B. M. SARANGI, BABU KESAV and M. K. SHESHADRI Tata Sponge Iron Limited, Joda, Orissa ABSTRACT Direct reduced iron or sponge iron technology was developed as an alternate route for steel making and is considered as a clean technology.
It decreases coal consumption as coal is the only source of energy in this plant. For energy integration in sponge iron process pinch technology is applied on the actual data of plant. Based on this data, seven energy conservation cases are identified. Among these, two are selected for detailed analysis based on utility requirement.
PAT and coal based DRI: Sponge Iron industry comes under Iron & Steel sector with sectoral energy reduction target of 1.56 mMTOE(million metric tones of oil equivalent). For a coal based DRI plant with waste heat recovery boiler, power plant and having arrangement for selling surplus electricity, the gate in energy would be coal
Sponge iron is produced primarily both by using non coking coal and natural gas as reductant and therefore classified as coal based and natural gas process respectively. Presently, there are 118 large and small sponge iron plants in India- 115 of them are coal based while only 3 are natural gas based. The advantages of sponge iron are:
Manufacturer of Coal & Gas based DRI Plant - Sponge Iron Plant, Coal Based DRI Plant, Gas Based HYL DRI Plant and Rotary Kiln for Making Sponge Iron offered by Remso Control Technologies Private Limited, Greater Noida, Uttar Pradesh.
(DRI). Sponge iron is produced primarily both by using non-coking coal and natural gas as reductant and therefore classified as coal based and gas based process respectively. Due to a promising availability of coal, the coal based sponge iron plants share the major amount of its production.
PDF | A survey is made on a typical coal based Indian sponge iron plant of capacity 500 t/d in order to identify the largest energy losses and find ways to increase the efficiency. The required ...
of industrial plants for the hot briquetting of direct reduced iron went into operation. Ad- ... The entire plant for the hot briquetting of sponge iron typically consists of (Figs. 6 and 7): ... (coal based reduction) Figure 9: Cross sections through briquettes made with material from different direct reduction processes.
Detailed Project Report For Suraj Product Limited For capacity increase by modernization of Mini Blast ... generation through CFBC based Power Plant 74 3.5.11 Process and Process flow diagram of Brick ... Coal Washery, Sponge Iron, SMS, Rolling Mill, Ferro Alloys & Power Plant Pig Iron [Mini Blast Furnace
Apply to 29 Sponge Iron Jobs in Abroad India on Naukri, India's Job Portal. Explore Sponge Iron job openings in Abroad India Now!
Sponge Iron India Ltd. (SIIL) was the first sponge iron plant in the country which was set up at Paloncha in Andhra Pradesh in 1990 with an initial capacity of 0.03 Mtpy . Since coal was adequately available in India, production of coal-based sponge iron plants was considered as a feasible option. The growth of the DRI industry
In conclusion, many coal-based sponge iron plant workers in Barjora report problems in their HRQoL, and the predictors of different aspects of HRQoL were identified. The study findings could be taken into consideration in future interventional studies aimed at improving the HRQoL of these workers.
coal based sponge iron plant machinery equipment. coal based lurgi dri process flow chart . grizzly coal mining equipment; ... and other specialized machinery used in the tunneling, ... of a conventional coal based sponge iron plant is shown in Fig.. Read More >> coal based sponge iron plants in us – Grinding Mill China . Chat With Sales
CII STEEL SUMMIT, NEW DELHI, 4TH NOV., 2009 ALTERNATE IRON MAKING - KEY DRIVER FOR INDIA'S FUTURE STEEL GROWTH Salient Features of S-R Processes Use of Metallurgical Coke requiring good quality coking coal High smelting intensity and hence high productivity Ability to use various types of non-coking coal Environmental friendliness Use of iron ore fines, slimes, etc.
A good example would be to have a cohort study comparing coal-based sponge iron factory workers with other types of factory workers (healthy worker effect), rather than with the general population. In conclusion, less than half of the coal-based sponge iron plant workers in Barjora have the best possible respiratory health status.
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