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  • Rectangular electric furnace for smelting titanium slag -

    Rectangular electric furnace for smelting titanium slag -

    9. The system of claim rectangular slag smelting furnace 8, wherein the main feed pipe 3 is set to 36 groups of four to six settings. 10. I said in a rectangular furnace smelting slag claim, characterized in that the electric operating power 9000KVA - 90000KVA.

  • Outotec makes EUR 110 million provision relating to

    Outotec makes EUR 110 million provision relating to

    Outotec has made a EUR 110 million provision for possible costs relating to the ilmenite smelter project in Saudi Arabia Stock Exchange Releases on May 31, 2012 October 26, 2018 and October 30, 2018. The currently estimated provision is based on progress made with the analysis of the furnace.

  • EVALUATION OF THE REACTIVITY OF ANTHRACITES IN

    EVALUATION OF THE REACTIVITY OF ANTHRACITES IN

    2015-7-10Anthracites are utilised in the reduction of ilmenite in most South African ilmenite processing plants. The smelting mechanism reported by Pistorius 2008 involves the reduction of iron oxide and titanium dioxide, in the ilmenite, using carbon monoxide generated by the Boudouard reaction to

  • Modelling of an ilmenite-smelting DC arc furnace

    Modelling of an ilmenite-smelting DC arc furnace

    Create a model Furnace Model to describe the complete ilmenite-smelting furnace process and build into it both the Wall Model and Crust Model. Do an investigation into the influence of changes in operational parameters on slag bath and freeze lining. Review the mechanisms active in the process Zietsman and Pistorius, 2004.

  • Pig iron - Ilmenite route | International Iron Metallics ...

    Pig iron - Ilmenite route | International Iron Metallics ...

    Producers of titanium dioxide slag in Canada, South Africa, and Norway smelt ilmenite, a weakly magnetic ore of titanium dioxide and iron oxide FeTiO 3 in electric furnaces at temperatures ranging from 1650 -1700 C, using either coal or another carbonaceous material as reductant.Titanium dioxide slag is the principal product, with pig iron being a co-product.

  • Modelling of an ilmenite-smelting DC arc furnace

    Modelling of an ilmenite-smelting DC arc furnace

    Ilmenite smelters must be operated with the slag bath contained in a freeze lining of solidified slag to prevent refractory damage and ensure feasible furnace life. This makes the process an interesting and challenging one to operate and control. The study focused

  • Cristal Ilmenite Smelting Plant, Jizan, Saudi Arabia ...

    Cristal Ilmenite Smelting Plant, Jizan, Saudi Arabia ...

    Finnish company Outotec completed very large industrial project in the west-south of Saudi Arabia. The project was constructed in a very short time two years.

  • SPECIAL SECTIONREFRACTORIES Improving Ilmenite

    SPECIAL SECTIONREFRACTORIES Improving Ilmenite

    Furnace Modeling Zietsman and Pistorius constructed a one-dimensional wall model to illustrate the dynamic response of the furnace sidewall and freeze lining resulting from interactions with the liquid slag bath and changing conditions in the bath. 1 A schematic representation of the freeze lining and wall region of an ilmenite-smelting DC arc furnace is shown in Figure 2.

  • Wetting between molten iron and prereduced ilmenite

    Wetting between molten iron and prereduced ilmenite

    2010-5-18smelting temperature was beneficial to the separation of iron and Ti oxides. The permeability of molten iron into the prereduced ilmenite with carbon was more obvious with reduction degree increasing owing to the high porosity of prereduced ilmenite.

  • WO2013029119A1 - Production of ferrotitanium by ...

    WO2013029119A1 - Production of ferrotitanium by ...

    A process for producing ferrotitanium by aluminothermic reduction, including reacting reduced ilmenite comprising a solid matrix of substantially metallic iron microparticles in titanium dioxide with aluminium at a temperature whereby titanium dioxide constituents of the reduced ilmenite are exothermically reduced to titanium metal to provide a reaction melt product also containing aluminium ...

  • CHAPTER 2 ILMENITE SMELTING PROCESS OVERVIEW

    CHAPTER 2 ILMENITE SMELTING PROCESS OVERVIEW

    2016-9-12Ilmenite is the primary input material into the furnace since the purpose of the process is to upgrade ilmenite to a product of higher TiO2 content. Both DC ilmenite-smelting furnace operations Namakwa Sands and Ticor South Africa utilise sand-type ilmenite as feedstock. The particle size of this ilmenite is usually less than 1000 m.

  • Solid state and smelting reduction of Panzhihua

    Solid state and smelting reduction of Panzhihua

    2012-2-12Solid state and smelting reduction of ilmenite is an important process of upgrading ilmenite to high titania feedstock. In this study, an ilmenite concentrate supplied by Panzhihua Iron and Steel Group Co. was first reduced at solid state in an electric resistance furnace, followed by smelting reduction in an induction furnace.

  • STUDY OF THE POSSIBILITY OF FERROTITANIUM

    STUDY OF THE POSSIBILITY OF FERROTITANIUM

    2018-4-14This usual approach concerns in smelting consumable electrode by slag layer. It is difficult to produce a consumable electrode from ilmenite concentrate. Only one ESR furnace type is suitable for smelting raw materials non-fitted for conversion into consumable electrodes.

  • DC Smelting Plant - Outotec

    DC Smelting Plant - Outotec

    DC Smelting Plant Outotec DC Smelting Plant. Use a cost-efficient, sustainable, and compact solution for ferroalloys processing. Outotecs direct current DC smelting furnace can be used for direct smelting of fine ores, even those with highly variable chemical or mineralogical compositions, as well as for recycling challenging by-products ...

  • ilmenite smelting furnace - etsiviaggiarecisl.it

    ilmenite smelting furnace - etsiviaggiarecisl.it

    ELECTRO SMELTING OF ILMENITE - scribd.com. In smelting ilmenite. the TiO2 content increases. These lower TiO2 ilmenites are the preferred feedstock for smelting. is charged in the furnace with the ilmenite.1 Overview of Technology There are two processes for the direct smelting of ilmenite that have been used commercially. open arc.

  • furnace condition --cnki ...

    furnace condition --cnki ...

    In this paper the principle and an algoritm for adaptive dynamic power control have been described, and an example of microcomputer control system on 600KVA ilmenite smelting furnace is included in order to show the effectiveness of this method in solving a.

  • Slag Refractory Interactions During Ilmenite

    Slag Refractory Interactions During Ilmenite

    The interaction of four types of commonly used refractories i.e., burned magnesite brick, magnesia carbon brick, corundum castable, and SiC castable with slag formed in the smelting of titanium wt. TiO 2 80 in an electric furnace at the Panzhihuan Iron and Steel plant was studied.Erosion of refractories by titanium slag was calculated using the FactSage software program.

  • Ilmenite - Wikipedia

    Ilmenite - Wikipedia

    2019-12-23Ilmenite can also be improved and purified to Rutile using the Becher process. Ilmenite ores can also be converted to liquid iron and a titanium rich slag using a smelting process. Ilmenite ore is used as a flux by steelmakers to line blast furnace hearth refractory.

  • Energy Balance and Offgas Utilization of Ilmenite

    Energy Balance and Offgas Utilization of Ilmenite

    Energy balance and offgas utilization of ilmenite smelting in 30 MVA direct current electric arc furnace DC furnace of a Yunnan company were investigated to make sure safety production, and to save energy and reduce pollution. The total input energy in the DC furnace was 2,000 kWh per ton of ilmenite, in which 1,003.31 kWh per ton of ilmenite was used to carbothermic reduction and other ...

  • Production of high titania slag by Electro-Slag Crucible ...

    Production of high titania slag by Electro-Slag Crucible ...

    2011-3-19Apparatus and procedure In this work, Titania-rich slag was prepared by smelting of ilmenite in an a.c. ESCM furnace. This furnace has a 200-kAV power capacity and uses the graphite electrode 45 mm diameter and graphite melting crucible 115 mm internal

  • Ilmenite Smelting at Ticor SA - Semantic Scholar

    Ilmenite Smelting at Ticor SA - Semantic Scholar

    2018-12-7ilmenite-smelting campaigns on the 3 MVA pilot furnace at Kumba Resources Research and Development facilities. These campaigns varied in length from one week to six weeks, with the majority being of the order of two weeks. The objectives of these campaigns included the following Testing of different feedstocks for ilmenite smelting.

  • IRON REMOVING FROM TITANIUM SLAG FOR

    IRON REMOVING FROM TITANIUM SLAG FOR

    2012-5-15In the first method, ilmenite ore can be smelted in the presence of carbonaceous reducing agents in an electric furnace where good quality pig iron is obtained together with titanium-rich slag which is chemically and mineralogically different than ilmenite Nayl et al., 2009. In spite of high power consumption, smelting of ilmenite or

  • T ilmenite smelting based on CO2 - SciELO

    T ilmenite smelting based on CO2 - SciELO

    2012-7-4ilmenite smelting reductants, and linking these properties to the subsequent smelting behaviour in the furnace. The reduction mechanism of ilmenite smelting is not fully understood, but it is believed that the Boudouard reaction plays a role. This paper investigates the behaviour of a number of reductants when reacted with CO2 at different ...

  • Ilmenite - Wikipedia

    Ilmenite - Wikipedia

    2019-10-15Ilmenite can also be improved and purified to Rutile using the Becher process. Ilmenite ores can also be converted to liquid iron and a titanium rich slag using a smelting process. Ilmenite ore is used as a flux by steelmakers to line blast furnace hearth refractory.