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during the past three decades. India, entered the sponge iron industry only in 1980, when the coal based DRI plant of Sponge Iron India Limited (SIIL) was commissioned at Kothagudem, in Andhra Pradesh.[1] Sponge iron is the resulting product (with a metallization degree greater than 82%) of solid state reduction of iron
health status of coal-based sponge iron plant workers. Our study proves that respiratory health status could be a potential predictor of health-related quality of life among coal-based sponge iron plant workers and vice versa. As they are related, a single intervention could be developed, evaluated and implemented to improve
Rise of the Coal-Based Sponge Iron Sector in India and Some Issues in Conservation of Resources . Authors: S. K. Saluja & Suchitra Sengupta (ERU, JPC) 1. AN OVERVIEW. Capacity and production of sponge iron in India has grown at a frenetic pace in the last half decade. Today with a production of nearly 19 million tones, it is the largest
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
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.
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 . .
i) Direct Reduced Iron: Production ... Table 2 Characteristics of iron ore for coal-based process. ... especially for the production of solid sponge iron with natural gas or coal as reducing agent.
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 .
Sponge iron or direct-reduced iron is a transi-tional 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 plants are located in India.1
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(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.
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.
The major Raw Materials required for production of Sponge Iron by the rotary kiln process are: sized graded Iron Ore and Non-Coking coal. Limestone, in small quantities, is also required to scavenge the sulphur. IRON ORE The quality requirement of Sized ore for sponge iron .
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.
In conventional coal based sponge iron plant, Fig. 1, kiln feed (Stream no. 1), which consists of iron ore, feed coal and dolomite, is fed to the rotary kiln (RK).A separate conveyor collects different size fractions of coal (Stream no. 5) for injection into the kiln with the help of pressurized air (Stream no. 4) from discharge end side.
prevalence of respiratory diseases among coal-based sponge iron plant workers. The aim of the study was to assess the prevalence of respiratory diseases among coal-based sponge iron plant workers and to determine the associated factors. Knowledge of these associated factors would provide valuable information about strategies that
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
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.
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.
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
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.
Jul 15, 2015· Direct reduced iron final.ppt ... Number of Coal Based Sponge Iron Plant State Number of Plant Small Scale Medium Scale Large Scale Odisha 108 26 64 18 Chhattisgarh 68 29 23 16 West Bengal 57 16 39 02 Karnataka 59 24 14 01 Jharkhand 37 13 23 01 Other States 21 05 12 04 Total 330 113 175 42 Scale Production (MTPA) Small ≤ 0.033 Medium 0.033 ...
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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