Gas Eduction Sponge Iron Diagram India

  • Case Studies in Thermal Engineering researchgate.net

    In the sponge iron process concentrated and finely divided iron ore is reduced in solid phase into sponge iron at high temperatures in rotary kiln. The process is very energy demanding.

  • iron pellet reduction in sponge iron kilns

    solid state direct reduction process by which iron ore is reduced they make iron pellets before feeding it to rotary kiln.sponge ironwelcome to igr india, technology and equipment for production sponge iron from hematite are fines through reduction of iron ore in furnace :green pellets fed by feeder/material is in form of briquette having better density compared to dri from rotary kiln.

  • Sponge Iron an overview ScienceDirect Topics

    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 ore lumps, or fines. The reduction takes place using gaseous reductants (CO

  • What is sponge iron? Quora

    India is the world's largest producer of sponge iron, most of which is produced primarily through the coal based method of production. Growth in the sponge iron production can be attributed largely to the popularity of secondary steelmaking route, which has shown a phenomenal growth in India.

  • Iron and Steelmaking vsb.cz

    Directly reduced iron is a product of iron (steel) direct reduction from ores in the solid state (at a temperature lower than the melting point) and without coke – DRI ( TN: direct reduced iron ), HBI ( TN: HotBriquetted Iron ), sponge iron.

  • sponge iron process

    20100729 · The Fe total content in sponge iron purely depends on Fe con tent in iron ore and the degree of reduction achieved in the process. Fe total content of 90%min is required for steel making requirement. Fe total content of 90%min is required for steel making requirement.

  • HYL III Process Industrial Efficiency Technology & Measures

    HYL III is another gas based DRI process. The process uses reducing gases within a moving bed shaft furnace reactor to remove the oxygen from iron ore pellets and lump ore. In comparison to other similar technologies, it operates a slightly higher reduction temperatures (~ 930 ºC) and intermediate reduction pressures (up to 6 bars). The

  • Waste Heat Recovery Steam Generator in Sponge Iron Plant

    A lot of sponge iron manufacturers with rotary kiln are operating in India, and waste heat gas is disposed to the air. Electric generation utilizing this gas is very beneficial to

  • ENERGY INTEGRATION IN SPONGE IRON PLANT USING HEAT OF

    INTRODUCTION Sponge iron, also known as direct reduced iron, is produced from iron ore below the fusion temperature of iron ore, 1535 °C. Unlike the conventional methods involving blast furnaces, the iron ore is directly reduced in the solid form, and hence the process is termed as 'direct reduction'. The reducing gas is a mixture of hydrogen and carbon monoxide, which acts as the

  • Direct Reduced Iron and its Production Processes

    Direct reduced iron (DRI) is technically defined as iron ore which has been reduced to metal without melting it. Hot briquetted iron (HBI) is a densified form of DRI to facilitate its handling and transport.

  • Direct Reduction Of Iron Plant Schematics bsmrdoesburg

    through direct Fig. 2.3 A schematic of the sponge iron Pilot Plant of RDCIS, which are needed in the reduction kiln of a sponge iron rotary kiln plant. 12.5 Iron And Steel Production US EPA 12.5 Iron And Steel Production diagram of the iron and steel industry in Iron is produced in blast furnaces by the reduction of iron bearing materials with

  • Control of Pollution in the Iron and Steel Industry

    The iron and steel industry causes significant effects on environmental media – air, water and soil. In the sinter plants the dominant emissions generated from material

  • CostEffective Hydrogen Sulfide Treatment Strategies

    The most common forms of solid scavengers used for treating landfill gas are iron sponge and ironbased solid scavenger systems like Sulfur Rite ® and SulfaTreat ®. The oldest commercial process for removing H 2 S is iron sponge, which has been available for over 100 years.

  • Sponge Iron Plants Steel Manufacturing Companies in

    Download Brochure. 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.

  • Sponge iron plant process pdf WordPress

    waste gas from a sponge iron plant exits.Schematic of optimised Rotary kiln sponge iron making process. A demonstration sponge iron plant of 30000 tpaTons per Annum capacity was set up with.Process Description of Sponge Iron Plant. The coal based direct reduction process is more commercially viable and is currently in use in India. sponge iron plant process Rotary Kiln Unit.and Sunflag Iron

  • Sponge Iron Plant entrepreneurindia.co

    It is the iron ore reduced in solid state by a direct reduction process using natural gas or non cooking coal as reluctant. The sponge iron is also known as Direct Reduced Iron, Hot Briquettes Iron or metalized Iron. With the domestic steel industry picking up during the past year and prices moving up in leaps and bounds, India has emerged as the world's largest producer of sponge iron (or

  • HYL III Process Industrial Efficiency Technology & Measures

    HYL III is another gas based DRI process. The process uses reducing gases within a moving bed shaft furnace reactor to remove the oxygen from iron ore pellets and lump ore. In comparison to other similar technologies, it operates a slightly higher reduction temperatures (~ 930 ºC) and intermediate reduction pressures (up to 6 bars). The

  • Energy survey of the coal based sponge iron industry

    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 ore.

  • PRODUCTION OF IRON AND STEEL POWDERS

    account for more than 90% of the world production of iron and steel powders, viz. the Höganäs spongeiron process and the wateratomizing process. The former process is based on reduction of iron ore, yielding a highly porous spongeiron which subsequently is comminuted to powder. The latter process is based on atomization of a stream of liquid iron (or steel) by means of a jet of

  • sponge iron process

    20100729 · The Fe total content in sponge iron purely depends on Fe con tent in iron ore and the degree of reduction achieved in the process. Fe total content of 90%min is required for steel making requirement. Fe total content of 90%min is required for steel making requirement.

  • MIDREX Processes

    TECHNOLOGY REVIEW NO. 29 DEC. 2010 50 MIDREX Processes Masaaki ATSUSHI, Hiroshi UEMURA, Takashi SAKAGUCHI Plant Engineering Department, Iron Unit Division, Natural Resources & Engineering Business

  • WHR ORC Systems Manufacturers,SNCR System for NOX

    Sponge iron kilns are energy intensive. 30% of the energy input to the kiln is lost to the atmosphere through flue gas. Many sponge iron plants with kiln capacity higher than 200 tons, the heat in the exhaust flue gas is already utilised to generate steam and generate power.

  • Where can I find Microstucture & Phase diagrams of Sponge

    20090804 · Best Answer: This is far far too specific. I can tell you right now to find info on this you will have to pay. If you're in university then most universities

    Status: Resolved
  • Energy Audit Methodology of Sponge Iron Manufacturing

    A. Choudhury 42 2. Description of Sponge Iron Manufacturing Process Most of the plants in India use DRI process—a solid state direct reduction process by which iron ore is reduced

    Authors: Avijit ChoudhuryAbout: Direct reduced iron
  • Case Studies in Thermal Engineering researchgate.net

    In the sponge iron process concentrated and finely divided iron ore is reduced in solid phase into sponge iron at high temperatures in rotary kiln. The process is very energy demanding.

  • Direct Reduced Iron Industrial Efficiency Technology

    Direct Reduced Iron (DRI), also known as Sponge Iron, offers an alternative steel production route to BFBOF and ScrapEAF routes. In DRI, iron ore is reduced in its solid state – unlike BF process where a liquid metal is formed during reduction.

  • Sponge iron, pig iron manufactureMishri international

    OVERVIEW : Sponge Iron is a recognized alternative to steel scrap as a raw material for the manufacture of various steel products. The twin issues of rapid depletion of Coking Coal reserves and the scarcity of indigenous scrap, made the Government of India support production of sponge iron

  • Sponge Iron in Durgapur, West Bengal Sponge Iron Price

    Directreduced iron (DRI), also called sponge iron, is produced from direct reduction of iron ore (in the form of lumps, pellets or fines) by a reducing gas produced from natural gas or coal. The reducing gas is a mixture, the majority of which is hydrogen (H2) and carbon monoxide (CO) which act as reducing agents. This process of reducing the iron ore in solid form by reducing gases is called