kiln for sponge iron production

for the production of sponge iron in a 34 feet long rotary kiln were successfully conducted at the National Metallurgical Laboratory using pellets made from Donimalai haematite ore and bituminous coal from Maharashtra also nut coke. The iron ore was of high grade with 65-66% Fe, 1.6-2.05% Si02 and 3.0-3.8 per cent A1 203. The

2.3 Sponge Iron Production Process Parameters Kiln performance is influenced by many parameters which include temperature, kiln pressure, kiln inclination and speed, raw material characteristics, feed rate and burden composition, coal slinging and heat transfer, kiln gas atmosphere, quantity of char in the kiln discharge [14].

Rotary Kiln with SL/RN Process. Coal Based Rotary Kiln for Direct Reduced Iron / Sponge Iron (100 TPD, 350 TPD, and 500 TPD) Solid-state reduction of Iron Ore using either coal/gas as a medium of reduction to produce a substitute raw material for steel making is termed as Direct Reduced Iron (DRI). Since DRI is produced by removing oxygen from ...

The Rotary Kiln process is a well-established process for production of coal based sponge iron. Rotary kiln of certain dia and length is provided for reduction of Iron Ore into sponge iron using non-coking coal as reductant and Dolomite as sulphur scavenger; however the Diameter and Length are to be designed based on the Plant Capacities.

Sponge rotary kiln is a device for producing sponge iron. It has a reasonable structure, stable performance, and simple operation. Sponge Iron Kiln Main Structure Sponge iron kiln's kiln head steal: Sponge iron kiln adopts kiln shell gas seal and …

1. Krupp Sponge Iron Process The Krupp. 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 ...

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12/16/2010 3:58 AM. we would like to know the correct method for calculating the yield for working the production of Sponge Iron in a rotary kiln. we have been evaluating the yield for production using the following formula : P = (Q-%TM)X (% Fe (T) in ore - % LOI - 1 / 2 % L&P) where. P = Production,

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Sponge iron production by tunnel kiln method was developed from 1911 as Höganäsmethod in Sweden. After many modifications, now this process is a sufficient and effective method for sponge iron production. The main advantage of tunnel kiln process is the possibility to build small plants with low investment costs which are feasible economically.

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Data-1 includes temperatures profiles and air inlet at positions, AT-1 to AT-3 and MF-1 and MF-2, inside the kiln whereas, flow rates of iron ore, feed coal, slinger coal and sponge iron is ...

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

Accretion Control In Sponge Iron Production Kiln Using. 2 kiln based sponge iron production process rotary kilns are found in many processes that involve processing of solids. this study focuses on sponge iron kiln based process. the chemical process involved in making sponge iron removes oxygen from iron ore by using a reducing agent in the form of noncoking …

The kiln data were taken at production of sponge iron of capacity 453.875 t/d. The length of the kiln is 80 m and its internal and external diameters are 4.55 m and 5 m, respectively. Temperature of the solids inside the kiln is maintained at 1020 °C.

2.3 SPONGE IRON PRODUCTION PROCESS PARAMETERS Kiln performance is influenced by many parameters which include temperature, kiln pressure, kiln inclination and speed, raw material characteristics, feed rate and burden composition, coal slinging and heat transfer, kiln gas atmosphere, quantity of char in the kiln discharge.

production. In this paper the direct reduction of iron ore to sponge iron is used as an example. The model incorporates a large number of variables, covering, among others: feed properties and rates, combustion options, kiln operating information (speed and fill level), blower locations and flow rates, and the environmental conditions.

iran The Rotary Kiln process is a well-established process for production of coal based sponge iron. Rotary kiln of certain dia and length is provided for reduction of Iron Ore into sponge iron using non-coking coal as reductant and Dolomite as sulphur scavenger; however the Diameter and Length are to be designed based on the … Continued

Sponge Iron Production Line in Rotary Kiln by Hongji Factory, US $ 50000 - 1500000 / Set, Building Material Shops, Machinery Repair Shops, Construction works, Energy ...

SPONGE IRON PRODUCTION FROM ORE -COAL COMPOSITE PELLETS IN TUNNEL KILN . S.C.Khattoi. 1*, G. G. Roy2 1 Project & Engineering Consultancy, Keonjhar, Odisha, India 2 . Indian Institute of Technology, Kharagpur – 721302, India. Abstract: Today India stands as the largest producer of coal based sponge iron through

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During the sponge iron manufacturing process, hot air enters through the air tube and air nozzle of the sponge iron kiln, providing heat for the reaction. The mixture first enters the preheating zone of the sponge iron rotary kiln and is heated to the reaction temperature.

Experiments for the production of sponge iron in a 34 feet long rotary kiln were successfully conducted at the National Metallurgical Laboratory using pellets made from Donimalai haematite ore and bituminous coal from Maharashtra also nut coke. The iron ore was of high grade with 65-66% Fe, 1.6-2.05% Si02 and 3.0-3.8 per cent A1 203.

Sponge Iron Production by Direct Reduction of Iron Oxide, PHI Learning Private Limited A Chatterjee Sponge Iron Production in Rotary Kiln, PHI Learning Private Limited

The amount of sponge iron in the charge mix varies from 0-90% depending on its availability and economics of production. Majority of the steel produced through induction furnace route is plain ...