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    2010/07/29· In general sized iron ore of 5-18mm is used in the process of manufacture of sponge iron on all types of rotary kiln with +16mm not exceeding 15-20%.The mean particle size of iron ore shall be restricted to 11mm in order to ...

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    2016/08/15· Commissioned in 1991, the Raigarh plant has a manufacturing capacity of 1.37 MTPA and metallic iron content of more than 81%. The plant uses direct reduced iron (DRI) process method of production and utilises ten

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    Sponge Iron Plant Manufacturers The process was widely accepted by almost all developing countries where generation of scrap was less in comparison to requirements. Steel produced by recycling process found much cheaper than the steel produced by blast Furnace process.

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    Bihar Sponge Iron BSIL manufacturing technology is based on Lurgi's coal-based SL/RN process (part-financed by a loan from the International Finance Corporation, IFC) The DRI plant is designed to produce 150000 tonnes of

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    The degree of metallization, defined as the extent of conversion of iron oxide into metallic iron, is 92-96% in a typical DRI process. This high percentage of metallization makes DRI a highly suitable input for steel making. The

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    Iron ore pelletizing systems Iron ore fines are agglomerated into pellets and then indurated using a furnace to create iron ore pellets. These are typically fed to a blast furnace or DRI plant as part of the process to make steel.

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    A rotary kiln is a pyroprocessing device used to raise materials to a high temperature (calcination) in a continuous process. Materials produced using rotary kilns include: Cement Lime Refractories Metakaolin Titanium dioxide Alumina Vermiculite Iron ore pellets They are also used for roasting a wide variety of sulfide ores prior to metal ...

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    Continuous feeding of DRI to the EAF. Computerize process control system put into use. 1969 Use of foamy slag practices. 1970 Design of pellets for direct reduction. First full scale testing and use of DRI as a BF-BOF feed. 1972

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    Lloyds Metals' DRI plant, located in Maharashtra, manufactures 2,70,000 TPA of Sponge Iron using the Lurgi technology. Click here to get more details about our DRI Plant! Lloyds Metals and Energy Limited. (LMEL) is a unit of ...

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    Process Direct reduction processes can be divided roughly into two categories: gas-based, and coal-based. In both cases, the objective of the process is to drive off the oxygen contained in various forms of iron ore (sized ore, concentrates, pellets, mill scale, furnace dust, etc.), in order to convert the ore to metallic iron, without melting it (below …

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    manufacturing process arose in late 50's when Electric Arc Furnaces (EAFs) engaged in manufacturing steel started facing problems of availability of scrap of desired quality, the traditional source of their iron metallic's. The DRI ...

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    High Temperature Winkler (HTW) Gasifier The process was developed in 1926 by Rheinbraun AG in Germany using lignite coal. Approximately 16 plants with a total of 40 gasifiers have been built worldwide since it was introduced in 1926.

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    Jul 29, 2010· The carbon content in sponge iron produced by coal based rotay kiln processes are generally low and is in the range og 0.08% to 0.20%.The carbon content in gas based processes can be controllrd to a level of 1.5% to

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    Our gasification group has been certified by most major process licensors in the world for manufacturing of their proprietary gasification equipment. These include Shell, Lurgi, CB&I (E-gas), GE and These include Shell, Lurgi, CB&I (E-gas), GE and Siemens.

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    Lurgi Dry-ash Gasifier The first commercial plant based on this technology was built in 1936. In the 1950s, Lurgi and Ruhrgas further developed the technology to handle bituminous coals in addition to the traditional lignite feedstock.

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    Modeling of Rotary Kiln for Sponge Iron Processing Using CFD package (ANSYS 13.0) A Thesis Submitted for Partial Fulfillment of the Degree Award Of MASTER OF TECHNOLOGY In CHEMICAL ENGINEERING By Tapash