Historia de YLM

YLM Heavy Industry Ciencia y Tecnología duranteel proceso de desarrollo de los últimos 30 años, se fuerma una cultura empresarial y rica en contenido único.

La construcción de la cultura de la empresa YLM Heavy Industry Ciencia y Tecnología ser la cohesión y la solidaridad del punto de agregación y la fuente de energía para el desarrollo sostenible de las empresas.

Charlar en Línea

Perfil de Empresa

Se trata de una moderna empresa con la investigación, fabricación y ventas juntos. La matriz se encuentra enla zona HI-TECH Industry Development de Zhengzhou y cubiertas 80.000 m ².

YLM Heavy Industry

Planta de Trituradora

Molienda Industrial

Planta Producción Arena

Solicitud de información

Gracias por su interés en YLM Heavy Industry. Si usted quiere saber más informaciones sobre las trituradoras y molinos de industria, contáctenos ahora para saber qué podemos hacer para su próximo proyecto.

Gracias por su interés en YLM Heavy Industry. Si usted quiere saber más informaciones sobre las trituradoras y molinos de industria, contáctenos ahora para saber qué podemos hacer para su próximo proyecto.

Address:No.169, Science (Kexue) Avenue, National HI-TECH Industry Development Zone, Zhengzhou, China

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reduction of iron ore

  • Reduction of Iron Oxides with Hydrogen—A Review

      Direct reduction processes, which reduce iron ore to metallic iron without any liquid phase, especially have the possibility to

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  • Iron Ore Reduction - an overview ScienceDirect Topics

    Iron ore reduction is an important process in the iron/steel-making industry, where iron ore is reduced to metallic iron, usually with coal, coke, natural gas, CO, or hydrogen as

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  • 22.5: Reduction of Metals - Chemistry LibreTexts

      Since iron is the most important metal in our industrial civilization, its reduction from iron ore in a blast furnace (Figure 22.5. 1 ) deserves a detailed

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  • Sustainable steel through hydrogen plasma reduction of iron ore ...

      Iron- and steelmaking is the largest single industrial CO 2 emitter, accounting for 6.5% of all CO 2 emissions on the planet. This fact challenges the current

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  • The Direct Reduction of Iron Ore with Hydrogen - MDPI

    The steel industry represents about 7% of the world’s anthropogenic CO 2 emissions due to the high use of fossil fuels. The CO 2 -lean direct reduction of iron ore with hydrogen is

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  • From Ore to Iron with Smelting and Direct Iron Reduction

      In the smelting reduction process, pelletized iron oxide ore or fine ore powders are pre-reduced in a fluidized bed or reduction shaft. The reduced iron along

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  • Reduction of Iron Ore Pellets, Sinter, and Lump Ore under

    48 行  The reduction of iron oxides occurs step wise from hematite to magnetite, magnetite to wüstite, and wüstite to metallic iron. Reduction occurs with CO and H 2 as

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  • Sustainable steel through hydrogen plasma reduction of iron ore ...

      Iron- and steelmaking is the largest single industrial CO 2 emitter, accounting for 6.5% of all CO 2 emissions on the planet. This fact challenges the current technologies to achieve carbon-lean steel production and to align with the requirement of a drastic reduction of 80% in all CO 2 emissions by around 2050. Thus, alternative

    Bavarder sur Internet
  • 22.5: Reduction of Metals - Chemistry LibreTexts

      Since iron is the most important metal in our industrial civilization, its reduction from iron ore in a blast furnace (Figure 22.5. 1 ) deserves a detailed description. The oxides present in most iron ores are Fe 2 O 3 and Fe 3 O 4. These oxides are reduced stepwise: first to FeO and then to Fe.

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  • Isothermal and Non-Isothermal Reduction Behaviors of Iron Ore

      The reduction mechanisms of iron ore during both the initial and final stages can be deduced from the correlations between the apparent activation energy values, the gas-solid chemical reaction, and the microstructure of the reduced samples in the reduction procedure [26, 28,29,30,31]. The kinetics of iron ore reduction can be

    Bavarder sur Internet
  • The Direct Reduction of Iron Ore with Hydrogen

      The steel industry represents about 7% of the world’s anthropogenic CO 2 emissions due to the high use of fossil fuels. The CO 2 -lean direct reduction of iron ore with hydrogen is considered to offer

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  • From Ore to Iron with Smelting and Direct Iron Reduction

      Reduction of iron ore to reduced iron form adds value and provides more compact products, which reduces shipping costs. The specific iron content of the direct reduced iron is a function of the iron content of the iron ore. Depending on the quality of the raw ore, direct-reduced contains about 90 to 94 percent iron, which is equivalent

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  • Reduction of Iron Ore Pellets, Sinter, and Lump Ore under

    Furthermore, the reduction rate of sinter and iron ore pellets begins to resemble each other at higher temperatures. 1 Introduction. A blast furnace (BF) is the most common process for hot metal production in the world. The BF is charged with metallurgical coke and iron-bearing materials separately, which leads to a layered structure.

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  • Extracting iron - Redox, extraction of iron and transition metals

    Iron ores such as haematite contain iron (III) oxide, Fe2O3. The oxygen must be removed from the iron (III) oxide in order to leave the iron behind. Reactions in which oxygen is removed are...

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  • Direct Reduced Iron (DRI) International Iron

    Ore Based Metallics Direct Reduced Iron (DRI) Overview Direct Reduced Iron (DRI) is the product of the direct reduction of iron ore in the solid state by carbon monoxide and hydrogen derived from natural gas or coal. See

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  • Biomass Derived Carbon for the Reduction of Iron Ore Pellets

      The present work goal is to compare the reduction potential of SDC, ESC and SWC for reduction of iron ore pellets. The experiments were conceded out at reduction temperatures of 1173 K, 1223 K, 1273 K and 1323 K at a heating rate of 15–30 °C/min for a varying reduction time period of 15, 30, 45, 60, and 75 min. Natures of the

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  • Swelling Behaviour of Iron Ore Pellets during Reduction in H

      In this study, we investigated the reduction swelling index of iron ore pellets in a forming gas (N 2 /H 2) atmosphere at temperatures of 700–1000 °C and compared it with that in pure H 2. The experimental results showed that the reduction swelling index increases with increasing temperature for both the H 2 and N 2 /H 2

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  • Laser-assisted reduction of iron ore using aluminum powder

      This study reports on the laser-assisted reduction of iron ore waste using Al powder as a reducing agent. Due to climate change and the global warming situation, it has become of paramount importance to search for and/or develop green and sustainable processes for iron and steel production.

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  • Relaunching a process that uses 100% H2 for the direct reduction

      Developed two decades ago, Outotec’s (MO; Helsinki, Finland; mogroup) Circored process is now being reintroduced as a proven way to help decarbonize the ironmaking process. Developed in the 1990s by the former Lurgi Metallurgie (now part of MO) and continually refined, Circored is a hydrogen-based process for the

    Bavarder sur Internet
  • Microwave Carbothermic Reduction of Low-Grade Iron Ore

      This study evaluates the carbothermal microwave reduction of low-grade banded hematite jasper iron ore for the preparation of potential feedstock for the alternative iron-making process. The coal sample act as transparent material to microwave irradiation at low temperature, however, above 600 °C, an exponential rise in temperature with a

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  • Low-Carbon Production of Iron Steel: Technology Options

      Direct Reduced Iron (DRI): This iron production process directly reduces iron ore in solid-state with the reaction temperature below the melting point of iron. Reducing gases are produced from natural gas (gas-based DRI) or coal (coal-based DRI) called syngas, a mixture of H2 and CO.

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  • Sustainable steel through hydrogen plasma reduction of iron ore ...

      Iron- and steelmaking is the largest single industrial CO 2 emitter, accounting for 6.5% of all CO 2 emissions on the planet. This fact challenges the current technologies to achieve carbon-lean steel production and to align with the requirement of a drastic reduction of 80% in all CO 2 emissions by around 2050. Thus, alternative

    Bavarder sur Internet
  • Isothermal and Non-Isothermal Reduction Behaviors of Iron Ore

      The reduction mechanisms of iron ore during both the initial and final stages can be deduced from the correlations between the apparent activation energy values, the gas-solid chemical reaction, and the microstructure of the reduced samples in the reduction procedure [26, 28,29,30,31]. The kinetics of iron ore reduction can be

    Bavarder sur Internet
  • From Ore to Iron with Smelting and Direct Iron Reduction

      In the smelting reduction process, pelletized iron oxide ore or fine ore powders are pre-reduced in a fluidized bed or reduction shaft. The reduced iron along with coal and lime is fed to a gasifier-melter, which completes the reduction process and produces pig iron or hot metal of the same quality as a blast furnace.

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  • Reduction of Iron Ore Pellets, Sinter, and Lump Ore under

    Furthermore, the reduction rate of sinter and iron ore pellets begins to resemble each other at higher temperatures. 1 Introduction. A blast furnace (BF) is the most common process for hot metal production in the world. The BF is charged with metallurgical coke and iron-bearing materials separately, which leads to a layered structure.

    Bavarder sur Internet
  • Direct reduction of iron ore pellets by H2 and CO: In-situ ...

      With the aim of reducing CO 2 emissions in basic industries, the sector of iron and steel metallurgy is also faced with the question of how carbon can be replaced in ore reduction. By means of in-situ observation, this study investigates the direct reduction (DR) of individual iron ore pellets under an atmosphere of hydrogen (H 2) and carbon

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  • Ironmaking 101 – From Ore to Iron with Blast Furnaces

      The carbon in the coke reacts with the oxygen to produce a reducing gas, carbon monoxide (CO) according to the following reaction: 2 C (s) + O 2 (g) → 2 CO + Heat. In the upper region of the blast furnace

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  • Biomass Derived Carbon for the Reduction of Iron Ore Pellets

      The present work goal is to compare the reduction potential of SDC, ESC and SWC for reduction of iron ore pellets. The experiments were conceded out at reduction temperatures of 1173 K, 1223 K, 1273 K and 1323 K at a heating rate of 15–30 °C/min for a varying reduction time period of 15, 30, 45, 60, and 75 min. Natures of the

    Bavarder sur Internet
  • Direct reduction of fluxed iron ore pellets made from coarse iron ore ...

    Iron ore fines were classified into three size ranges (SR1(−0.25 + 0.1), SR2(−0.1 + 0.05) and SR3(−0.05)mm). Pellets of the above material were prepared using lime as a binder for basicity 0, 1 and 2 respectively, to observe hardening and reduction behaviour.

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  • Swelling Behaviour of Iron Ore Pellets during Reduction in H

      In this study, we investigated the reduction swelling index of iron ore pellets in a forming gas (N 2 /H 2) atmosphere at temperatures of 700–1000 °C and compared it with that in pure H 2. The experimental results showed that the reduction swelling index increases with increasing temperature for both the H 2 and N 2 /H 2

    Bavarder sur Internet
  • Relaunching a process that uses 100% H2 for the direct reduction

      Developed two decades ago, Outotec’s (MO; Helsinki, Finland; mogroup) Circored process is now being reintroduced as a proven way to help decarbonize the ironmaking process. Developed in the 1990s by the former Lurgi Metallurgie (now part of MO) and continually refined, Circored is a hydrogen-based process for the

    Bavarder sur Internet
  • Microwave Carbothermic Reduction of Low-Grade Iron Ore

      This study evaluates the carbothermal microwave reduction of low-grade banded hematite jasper iron ore for the preparation of potential feedstock for the alternative iron-making process. The coal sample act as transparent material to microwave irradiation at low temperature, however, above 600 °C, an exponential rise in temperature with a

    Bavarder sur Internet
  • Sustainable steel through hydrogen plasma reduction of iron ore ...

      In general, the reduction of CO 2 can be achieved either by making certain improvements in the current iron and steelmaking methods 2,4 or by introducing new technologies such as hydrogen-based...

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  • Phosphorus reduction behavior of high-phosphate iron ore

      High-phosphorus iron ore resource is considered a refractory iron ore because of its high-phosphorus content and complex ore phase structure. Therefore, the development of innovative technology to realize the efficient utilization of high-phosphorus iron ore resources is of theoretical and practical significance. Thus, a method for

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  • Numerical simulation and optimization of flash reduction of iron ore ...

      Then the final reduction of the iron ore is carried out in a smelting bath to produce metallic iron [1]. Replacing carbon with H 2 in the ironmaking process can radically reduce the quantity of CO 2 emissions, thereby helping to alleviate climate change [2,3]. However, to date, there are no known directly useable natural hydrogen resources.

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