Iron ore ratio to hot metal

MJ Series Jaw Crusher

MJ Series Jaw Crusher

MJ series jaw crusher is mainly used as a coarse crushing crusher. Its purpose is to crush rocks into smaller particle sizes for subsequent processing…

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MC Series Single-Cylinder Hydraulic Cone Crusher

MC Series Single-Cylinder Hydraulic Cone Crusher

MC series single cylinder hydraulic cone crusher is used in secondary and fine crushing operations. It is widely used in metallurgy, construction, highway,…

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ML Series Vertical Shaft Impact Crusher

ML Series Vertical Shaft Impact Crusher

Vertical shaft impact crusher is often used in the final crushing circuit. Due to the ability to produce fine-grained final products, ML series vertical…

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MD Series Multi-Cylinder Hydraulic Cone Crusher

MD Series Multi-Cylinder Hydraulic Cone Crusher

MD series multi-cylinder hydraulic cone crusher is used in the second and third stages of mineral processing and stone crushing, as well as the superfine…

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MF Series Fixed Shaft Circular Vibrating Screen

MF Series Fixed Shaft Circular Vibrating Screen

In order to eliminate the phenomenon of unbalanced vibration, unstable amplitude, on/off bounce, poor screening effect, and cracking of the screen box…

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MGD Series Vibrating Feeder

MGD Series Vibrating Feeder

MGD series vibrating feeder is designed for ultra-heavy working conditions and is suitable for feeding materials to primary jaw crushers, primary impact…

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MGB series hopper discharge feeder

MGB series hopper discharge feeder

MGB series hopper discharge feeder is mainly used for the uniform, quantitative and automatic control of under-silo feeding of bulk materials.…

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MZA/K Series Circular Vibrating Screen

MZA/K Series Circular Vibrating Screen

MZA/K series circular vibrating screen produced by Meilan has an axis-eccentric circular vibrating screen, which can be used for dry and wet classification…

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  • OBORTS Company, Opposite the residence of old General Mambou, Near Dragage, Bastos, Yaoundé, Cameroon
    Email: [email protected]

  • Lecture 28: Materials Balance in Iron making Key words

    The CO/CO2 ratio in the top gas is 2/1 Calculate a) Weight of iron ore b) Weight and composition of slag c) Volume of air required d) Volume and% composition of exit gas. Solution: Fe balance: (0.995).(Fein iron ore) =Fe in pig iron Let x kg iron ore 0.995 H 5 5 6 5 : 4 H0.78 H L927 L Ú à Ù

  • Hotmetal preatreatment - Iron and steelmaking II

    Iron and steelmaking II: Pretreatment and BOF steelmaking. This course handles the steel making process which is converting the hot metal formed in the ironmaking process into steel. Hot metal pretreatment to decrease some of the impurities, and basic oxygen furnace (BOF) process to reach the required composition will be treated in detail.

  • Online Prediction of Hot Metal Temperature Using Transient

    iron ore while consuming huge energy. The heat indices of the furnace, such as the hot metal temperature (HMT), are controlled by manipulating the coke ratio at the furnace top, the blast moisture, and the pulverized coal (PC) flow rate. Hot metal and its viscous byproduct, i.e. the slag, are drained from tap holes. HMT needs to be controlled

  • Basics of slag production - Article on the slag industry

    Oct 27, 2011· When molten iron (referred to as “hot metal”) from the blast furnace is to be converted into steel, the main tasks are the removal of carbon, silicon and phosphorus. The LD (Linz-Donawitz) process is by far the most widely used, and takes its name from the towns where it was developed.

  • Iron Ore Sinter - an overview ScienceDirect Topics Example—Burden Distribution Change. Iron ore sinter /pellets are redirected from the wall of the blast furnace to the center using the bell-less top charging equipment. The top gas utilization (TGU) improves from 47.5 to 49.0% (an increase of 1.5%) due to better contact of the ferrous burden with the CO-rich gas in the furnace center.

  • iron ore ratio to hot metal - pomocdrogowabychawa

    Hot metal P content(%) Iron ore sintering P content (%) 0.010 0.020 0.030 0.040 0.050 0.060 0.070 0.080 0.090 Costs vs. P content Single basic oxygen furnace PRODUCT GUIDE - ICE More directly, relational pricing can exist between iron ore and steel (known as the "metal spread") and iron lump to steel (the "hot metal sprea

  • Metal - Official ARK: Survival Evolved Wiki

    May 19, 2021· Found in Supply Crate Green Crafting Used to craft 14 items Hexagon Exchange Exchange Yields 10 Pieces Hexagons 150 Purchase (Mobile) Purchase Yields 100 Pieces Purchased in Metal Foundry Cost 120 × Molds Metal is an important resource in ARK: Survival Evolved. It is used to craft many different tools and structures, but must be refined into ingots for most of these. 1 Obtaining …


    In the Blast Furnaces (BF) liquid iron (popularly termed as ‘Hot Metal’) is produced by the process of reduction at high temperature from raw materials like iron ore, base mix, sinter, coke, fluxes (limestone / quartzite), etc. &also air blast / O2. In blast furnace the process is also known as

  • Understanding the high-grade iron ore market

    the hot metal or pig iron they produce into steel while direct-reduction plants pair with electric arc furnaces (EAFs). The main difference between these routes is the reducing agent used to remove the oxygen from the iron ore minerals. The BF route uses carbon in the form of …

  • High Alumina Slag and Blast Furnace Operation – IspatGuru

    May 27, 2013· High Al2O3 slag is encountered mainly because of high Al2O3/SiO2 ratio in iron ore as well as in sinter and high ash content in coke. These slags are highly viscous. In the case of BF ironmaking, slag viscosity is a very important physical property as it …

  • Common & Basic Formulas for Mineral Processing Calculations

    Mar 20, 2016· where R represents the ratio: % Pb in crude ore/% Cu in crude ore Formula (32) is very convenient for milling calculations on ores of this type. Example: An ore contains 5% lead and 1% copper. The ratio of perfect concentration for a concentrate of maximum grade and recoveries of lead and copper would be:

  • Iron Ore Pelletizing Process: An Overview

    In the blast furnace, iron is reduced and melted and the most common product is liquid iron called hot metal. In direct reduction, iron remains in solid state and the product is the so-called direct reduced iron (DRI). Generically, the iron ore products for ironmaking can be classified as shown in Table 1 .

  • Coal & steel World Coal Association

    Iron. During the iron-making process, a blast furnace is fed with the iron ore, coke and small quantities of fluxes (minerals, such as limestone, which are used to collect impurities). Air which is heated to about 1200°C is blown into the furnace through nozzles in the lower section.

  • A Thermodynamic Model for Calculating Sulphur Distribution

    operation as well as good separation between slag and hot metal during BF tapping7–9) because largely utilizing the imported iron ore fines in the past decade has lead to im-proving Al 2 O 3 content from 10–13% to 14–18% 10,11) in BF slags compared with that using total Chinese domestic iron ore fines.

  • Extraction of Iron Metallurgy Blast Furnace and Reactions

    A blast furnace is a gigantic, steel stack lined with refractory brick where the concentrated iron ore, coke, and limestone are dumped from the top, and a blast of hot air is blown into the bottom. All the three ingredients are crushed into small round pieces and mixed and put on a hopper which controls the input.

  • Feature 1 Kobe Steel’s Blast Furnace Operation Technology

    Aug 21, 2008· ore for other companies is 20% lump ore to 80% sintered ore. In contrast, the Kobe Works No. 3 blast furnace has a ratio of 30% lump ore to 70% iron ore pellets (called all-pellet operation*), while the Kakogawa Works No. 2 and No. 3 blast furnaces have a ratio of 20% lump ore, 30% iron ore pellets and 50% sintered ore.

  • Refining (metallurgy) - Wikipedia

    The pig iron was melted in a running out furnace and then run out into a trough. This process oxidised the silicon to form a slag, which floated on the iron and was removed by lowering a dam at the end of the trough. The product of this process was a white metal, known as finers metal or refined iron…

  • The relationship between DRI and scrap: history, pricing

    Typical BOF operation is fed hot metal:scrap in ratios that vary globally: < 80:20 NAFTA > 90:10 Asia - When iron ore prices are low, BF hot metal output is increased so hot metal ratio in BOF increases, thus reducing scrap demand, prices , - When iron ore prices are high, BF hot metal

  • (PDF) Blast Furnace Performance Under Varying Pellet

    Nov 26, 2018· Use of pellet gives rise to uniform bed permeability in comparison with iron ore or sinter. burden ratio method to improve the BF performance, by It is based on the theoretical hot metal

  • Steel and raw materials

    temperatures), is the primary reducing agent of iron ore. Coke reduces iron ore to molten iron saturated with carbon, called hot metal. • Around 1 billion tonnes of metallurgical coal are used in global steel production, accounting for around 15% of total coal consumption worldwide.8 • Coal reserves are available in almost every country

  • Conversion of Mill Scale Waste into Valuable Products via

    Mill scale is one of waste materials which is produced as a result of hot rolling of steel in all steel companies. On the other hand, mill scale is considered a rich iron source with minimum impurities. This work aims at conversion of mill scale by adjusting smelting processes to produce different valuable products. The smelting processes were carried out using carbothermic reduction in a

  • An Introduction to Iron Smelting – Part I: Theory – Harald

    May 20, 2017· Reduction is a process wherein oxides are reverted to metal. It starts soon after the ore starts descending down the furnace shaft, as the ore is exposed to hot carbon monoxide. The iron oxides react with the hot carbon monoxide, where the monoxide strips the oxygen off the iron to form carbon monoxide, while leaving us with metallic iron.

  • Steel industry co-products

    Iron ore-based steelmaking accounts for about 70% of world steel production. Iron ore is reduced to iron and other sources of metallic iron such as direct-reduced iron (DRI) or hot metal can also be used in the EAF route. in many regions to increase the ratio used, particularly considering the environmental and economic benefits of

  • The Melting Properties of Tuyere Slags with and without

    content of hot metal.7) The different results achieved in the iron ore injection studies might be explained by the particle size of the injected iron ore.8) The original oxidation degree of slags in the bosh and the hearth will affect the result.5) When a very fine grain size of iron ore is used, the reduc-tion in the raceway will be

  • Blast furnace metallurgy Britannica

    iron processing: Hot metal (blast-furnace iron) Most blast furnaces are linked to a basic oxygen steel plant, for which the hot metal typically contains 4 to 4.5 percent carbon, 0.6 to 0.8 percent silicon, 0.03 percent sulfur, 0.7 to 0.8 percent manganese, and 0.15 percent phosphorus.

  • Ironmaking 101 – From Ore to Iron with Blast Furnaces

    Oct 10, 2017· Iron is mainly extracted from hematite (Fe 2 O 3) and magnetite ores. Natural or direct shipping iron ores contain between 50-70% iron and can be fed directly into the blast furnace. Fe 3 O 4 decomposes when heated to ferrous oxide (FeO) and ferric oxide (Fe 2 O 3) via Fe 3 O 4 → FeO + Fe 2 O 3. A specialized type of coal, called hard coal

  • Ratio of coking coal and iron ore to make steel

    Ratio of coking coal and iron ore to make steel Products. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, Ratio of coking coal and iron ore to make steel, quarry, aggregate, and different kinds of minerals.

  • The iron and steel industry: a global market perspective

    1.2. Pig Iron Production In the second step, hot metal (or molten iron, also known as pig iron when solidified) may be produced by two means: — either charging iron ore and coke to a blast furnace, — by reducing iron ore with natural gas or low quality coke (this can be done in direct

  • Technical Report Improvement in Hot-Metal Dephosphorization

    Nippon Steel Corporation has long since focused on hot-metal zation flux was composed only of iron ore and burnt lime, and the The ratio (P)/[P] near 100 in the slag basicity range of 1.0 to 1.5 indicates that effective dephosphorization is possible even when