patent of sponge iron

  • Qrt pocess of sponge iron

    Qrt pocess of sponge iron Products. As a leading global manufacturer of crushing grinding and mining equipments we offer advanced reasonable solutions for any size-reduction requirements including Qrt pocess of sponge iron quarry aggregate and different kinds of minerals.

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  • PROCESS FOR PRODUCTION OF SPONGE IRON

    Process for production of sponge iron by direct reduction of iron ore wherein iron ore admixed with a carbonaceous reducing agent is passed through a rotary kiln countercurrent to a gas stream and wherein granular coking high volatile coal is injected co-current to said gas stream as a solid reducing agent by means of oxygen containing gases through an inlet pipe and said solid reducing agent becomes admixed with the iron

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    US Patent for Sponge-iron alloying Patent (Patent

    A steel manufacturing process can include forming an iron oxide layer on a hot band during hot rolling reducing the iron oxide layer on the hot band to form a sponge iron layer that includes pores the sponge-iron layer having a thickness in a range of about 0.05 μm to about 1000 μm about 0.1 μm to about 100 μm or about 5 μm to about 25 μm and depositing an alloying element into the

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  • ORISSA SPONGE IRON AND STEEL LTD.

     · ORISSA SPONGE IRON AND STEEL LTD. OSIL P E is capable of providing the following services. · Preliminary engineering services including testing of raw materials for Coal based DRI Plant of 350 500 TPD.Power generation facility from waste heat of DRI off gas.Steel making through IF / EAF including secondary metallurgy.

    Method of producing sponge ironPatent USA

    USA chemical patent summary.

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  • ORISSA SPONGE IRON AND STEEL LTD.

     · In this backdrop TRFI took the first step to set up a coal based sponge iron plant in India. The process technology developed by Allis Chalmers Corporation USA based on pilot plant studies known as ACCAR process was used initially. This process used 80 coal and 20 oil which subsequently became uneconomical due to increase in crude prices.

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  • Porous sulpha sponge iron compound a process for

    The sulpha sponge iron compound has Fe2>/Fe3 >cores forming interstatially stabilized clusters. The invention also includes a process for desulphurising natural gas by adsorbing sulphur containing contaminants in the novel sulpha sponge iron compound either at the drilling site or on a

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  • voestalpine holds patent for carbon-neutral pre-material

     · The patent is valid in all major European steel manufacturing countries and specifically covers the production of sponge iron (DRI or HBI) using green hydrogen and biogas in the direct reduction process.

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  • Voestalpine announces patent for carbon-neutral sponge

     · Voestalpine announces patent for carbon-neutral sponge iron production Wednesday 16 June 2021 12 50 02 (GMT 3) Istanbul Austrian steelmaker Voestalpine has announced that it has developed an industrial-scale process for carbon-neutral steel production without the use of fossil carbon and that it has obtained a patent for the process from the

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  • pulverizer for sponge iron processing

    pulverizer for sponge iron processing. Iron Sponge Process . 8 5 1 Iron sponge process An example of a hydrogen sulfide scavenger process is the iron sponge process (also called the dry box process) which is the oldest and still the most widely used batch process for sweetening of natural gas and natural gas liquids (Anerousis and Whitman 1984) The process was implemented during the 19th

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  • EP A1 Method for melting scrap sponge

    EP A1 Method for melting scrap sponge iron and/or solid pig iron or the like.For melting scrap iron sponge pellets in the reduced form solid pig iron or the like it is proposed to supply the melting heat by means of burners from below and without additions of coal to the charge to set a corresponding carbon content in the molten bath by less than

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  • Synthesis and Properties of a Modified Sponge Iron for

    In order to improve the performance of sponge iron for removing dissolved oxygen sponge iron was originally modified by chemical replacement copper plating and the optimum modifying condition was obtained by orthogonal experiments. The effect of each modifying condition on the dissolved oxygen (DO) level in the outlet treated by modified sponge iron was investigated.

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  • Apparatus for the direct reduction of iron ore to sponge

    USA chemical patent summary.

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  • Apparatus for the direct reduction of iron ore to sponge

    USA chemical patent summary.

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  • Voestalpine announces patent for carbon-neutral sponge

     · Voestalpine announces patent for carbon-neutral sponge iron production Wednesday 16 June 2021 12 50 02 (GMT 3) Istanbul Austrian steelmaker Voestalpine has announced that it has developed an industrial-scale process for carbon-neutral steel production without the use of fossil carbon and that it has obtained a patent for the process from the

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  • Preparation of Modified Sponge Iron and Kinetics of

     · To improve the performance of sponge iron deoxygenization chemical replacement copper plating was originally employed to modify the sponge iron. The results of the experiments showed that the deoxygenization performance was promoted significantly and the optimum modifying conditions were as follows CuSO4 (15 g/l) potassium pyrophosphate (40 g/l) citric acid (10 g/l) H2SO4 (60 ml/l

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  • Porous sulpha sponge iron compound a process for

    The sulpha sponge iron compound has Fe2>/Fe3 >cores forming interstatially stabilized clusters. The invention also includes a process for desulphurising natural gas by adsorbing sulphur containing contaminants in the novel sulpha sponge iron compound either at the drilling site or on a

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  • Heat and Mass Transfer in Reduction Zone of Sponge Iron

    Numerical prediction is performed on reduction zone of iron ore reactor which is a part of counter current gas-solid reactor for producing sponge iron. The aim of the present study is to investigate the effect of reduction gas composition and temperature on quality and capacity of sponge iron products through mathematical modeling arrangement and simulation.

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  • METHOD FOR ESTIMATION OF METIALLIC IRON FE (MET)

    Title of Invention METHOD FOR ESTIMATION OF METIALLIC IRON FE (MET) CONTENT IN SPONGE IRON Abstract The present invention relates to a method of estimation of metallic iron in sponge iron comprising of a sample of 0.5-1.0 gram of sponge iron is taken in a clean and dried 100 ml measuring flask and adding 3-5 gms of mercuric chloride and 60-70 ml of oxygen free water to the sample and

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  • Apparatus for the direct reduction of iron ore to sponge

    USA chemical patent summary.

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  • CNAProduction of sponge ironGoogle Patents

    CNAProduction of sponge ironGoogle Patents. The invention is about the producing method of the sponge iron. The process is (1) make the material into the double iron oxide ball (2)

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  • voestalpine holds patent for carbon-neutral pre-material

     · The patent is valid in all major European steel manufacturing countries and specifically covers the production of sponge iron (DRI or HBI) using green hydrogen and biogas in the direct reduction process.

    Chat Online
  • pulverizer for sponge iron processing

    pulverizer for sponge iron processing. Iron Sponge Process . 8 5 1 Iron sponge process An example of a hydrogen sulfide scavenger process is the iron sponge process (also called the dry box process) which is the oldest and still the most widely used batch process for sweetening of natural gas and natural gas liquids (Anerousis and Whitman 1984) The process was implemented during the 19th

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  • A review of the sponge iron process for the storage and

     · The sponge iron system performed poorly when appraised for mass energy density but its volumetric energy density was only about 25 less than that of methanol if particles with 80 iron were available and energy were recovered. This indicates that sponge iron is a worthwhile option when considering it for the static storage of hydrogen. 5.

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  • Synthesis and Properties of a Modified Sponge Iron for

    In order to improve the performance of sponge iron for removing dissolved oxygen sponge iron was originally modified by chemical replacement copper plating and the optimum modifying condition was obtained by orthogonal experiments. The effect of each modifying condition on the dissolved oxygen (DO) level in the outlet treated by modified sponge iron was investigated.

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  • patent of sponge ironBINQ Mining

     · US Patent # 4 224 057. Method for carburizing sponge iron . Sponge iron is carburized in the cooling zone of a vertical shaft iron ore reduction reactor by causing a carbon-containing gas to circulate in a closed loop »More detailed

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  • Start-up of Orissa Sponge Iron Limited ACCIAR iron ore

     · Start-up of Orissa Sponge Iron Limited ACCIAR iron ore reduction plant. Full Record Other Related Research Abstract. This paper reports on the pre-commissioning training start-up and early operations of India s first commercial direct reduction plant. A brief description of the plant is incorporated.

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  • ORISSA SPONGE IRON AND STEEL LTD.

     · ORISSA SPONGE IRON AND STEEL LTD. OSIL P E is capable of providing the following services. · Preliminary engineering services including testing of raw materials for Coal based DRI Plant of 350 500 TPD.Power generation facility from waste heat of DRI off gas.Steel making through IF / EAF including secondary metallurgy.

    Chat Online
  • history of making sponge ironalkoholizm-filmy.pl

    sponge iron making process in animatedjoyofhopenl. Sponge Iron Composition Manufacturing ProcessProcess Sponge iron making is a process in which iron ore lumps (typically 5mm-18mm size) are tumbled with a select grade of iron-coking coal little dolomite inside an inclined rotary kiln and control combusted in the presence of air for about 12 hours before the products are air

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