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refractory materials dolomitic temperature applications

  • 13 Types of Refractory Materials and Their Applications

    2016-11-1 · 1. Introduction. The dolomitic refractory is widely used for containment of steel melts during steelmaking and refining, especially in the production of special steels and clean steels , , , due to its excellent high temperature stability, slag erosion resistance and peeling resistance .Compared with MgO-C refractory, dolomitic refractory will not cause the increase of carbon in molten steel.

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  • Dolomite Aggregate - Rongsheng Refractory

    The suitability of Indian raw materials namely—dolomite, dolomitic magnesite and magnesite as well as suitable methods of their calcination for use as lining material for L.D vessels are ...

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  • Wettability between molten slag and dolomitic

    Characterization of the Firing Steps and Phases Formed in Mg-Zr-Containing Refractory Dolomitic Materials. ... in natural zircon powder limit its applications, especially for high temperature .

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  • Dolomite as a Refractory Raw material for Lining L.D ...

    2015-10-26 · Various refractory bricks in different sizes and shapes are now available for diverse applications. The typical refractory materials include fireclay refractories, high alumina refractories ...

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  • (PDF) Characterization of the Firing Steps and Phases ...

    Applications. Dense Shaped Refractory products ... a furnace can be decreased and the outside wall temperature optimized. Lightweight materials with low specific heat are ideal choices for plants with periodic operating conditions to shorten the colt-to-cold cycle. The standard heat insulating materials are classified as insulating refractory ...

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  • Types of Refractory Materials and Their Applications

    Refractory carbides and nitrides are useful materials with numerous industrial applications and a promising future, in addition to being materials of great interest to the scientific community. Although most of their applications are recent, the refractory carbides …

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  • Review on the elaboration and characterization of

    2019-6-5 · Refractory samples prepared by heating the separated magnesite at 1600 °C for 2h met the State Standards for refractory materials. A series of refractory materials were prepared on the basis of these magnesium sources, and their effects on physicomechanical properties and microstructures were investigated as a function of sintering temperature ...

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  • Refractory Ceramics Division Alfred W. Allen Award Winners

    2019-9-13 · 1983 – John Sweeney and Mark Cross, “Analyzing the Stress Response of Commercial Refractory Structures in Service at High Temperature: A Simple Model of Viscoelastic Stress Response” and “II. A Thermal Stress Model for Refractory Structures,” Trans. J. Brit. Ceram. Soc., Vol. 81, No. 1, pp. 25-28 and No. 2, pp. 47-52, 1982.

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  • CHARACTERISTICS OF DOLOMITE FROM SWABI, KHYBER

    2016-6-8 · Temperature usually plays a significant role in producing ... part of the dolomitic structure ... common ingredient in health foods5. Further uses are in glass, and building materials. One of the main applications is in the field of refractory materials, in order to produce fire-resistant products, used in …

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  • Refractory Manufacturer - Supplier of Castables &

    Refractory Manufacturer Resco Products, Inc. is a full line global refractory manufacturer supported by unparalleled refractory applications expertise and value-added refractory solutions. A privately-owned company headquartered in Pittsburgh, PA, Resco serves major industries such as steel, copper, nickel, aluminum, hydrocarbon processing ...

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  • (PDF) A Review on Recycling of Refractories for the

    This paper discusses the current characteristics of the recycling of refractory materials for steel use and presents various successful experiences of recycling in steel companies of Europe, Asia, U.S.A., and Latin America. The steel industry consumes mostly magnesitic, dolomitic and …

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  • Refractory > ASTM C973

    1.1 This practice covers a procedure for preparing test specimens from basic refractory gunning products by pressing prepared material in a mold. After pressing, test specimens prepared from dolomitic mixes are subjected to a prescribed heat treatment. Specimens prepared in accordance with this procedure are intended for use in ASTM test methods.

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  • Lime and Calcined Dolomite for Use in Steel Plant –

    2014-12-23 · Lime having some percentage of MgO (usually 2 % to 4 %) is also known as dolomitic lime. Lime is a hygroscopic material and absorbs moisture from the air. With the absorption of moisture it loses its reactivity and gets hydrated. Lime is calcium oxide (CaO) produced on heating (calcination) of limestone (CaCO3) to a temperature of 900 deg C and ...

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  • Bonded fused grain basic refractory and batch

    Such refractory is a bonded, fused grain refractory burned at 1600°C or higher and characterized by a hot strength (modulus of rupture at 1340°C, unless another temperature is specified) consistently above 1800 psi and in certain cases of at least 3000 psi, making the refractory particularly useful in the high wear areas of basic oxygen furnaces.

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  • Phase Evolution During Preparation ... - Materials

    2007-6-7 · This article describes the preparation of MgAl 2 O 4 spinel-containing refractory cement by solid state reaction, using appropriate mixtures of active alumina (99.5%) and a dolomitic material (MgO 17.83% and CaO 29.60%) proceeding from Olavarría, in the centre of Buenos Aires Province (Argentine). The starting materials were fully ...

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  • An Experimental Study of Submerged Entry Nozzles (SEN ...

    2011-10-24 · alumina-graphite refractory base materials in contact with a cerium alloyed molten stainless steel were surveyed. The YSZ coating provided a total prevention of the alumina reduction by cerium. Therefore, the prevention of the first clogging product formed on the surface of the SEN refractory base materials.

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  • dolomite processing into its constituents - sources of ...

    2018-2-24 · Dolomite is used for manufacturing certain types of refractory bricks used in steel making. The dolomite is heated to a high temperature to drive off the carbonate as carbon dioxide and the remaining material, a mixture of calcium and magnesium oxides, is blended with carbon and other materials and pressed into blocks for the furnaces.

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  • PHYSICAL PROPERTIES OF SOME

    Abstract In the course of an investigation that involved a study of pyrochemical reactions, it was necessary to develop a refractory that could be used satisfactorily at temperatures in the range of 1800° to 2200°C. It was found that calcined magnesia (96%, MgO) or electrically fused magnesia (98% MgO) could be bonded adequately by mixing sized aggregates with 2.5%, by weight of calcined sea ...

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  • •PT - GBV

    2008-2-15 · 128. Refractory Wear of Dolomitic and Magnesitic BOF Lining Depending on Temperature and Lime Saturation, N. Bannenberg*, AG der Dil linger Huttenwerke; and H. Naefe and P. Urn land, Didier-Forschungsinstitut, Germany (No. 4) 33 129. A Study of the Hardening Time of Resin Bonded Hot Repair Mixes for BOFs, R. Tanaka, N. Yasuda*. T. Tamehiro and ...

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  • Basic Shaped Refractories – IspatGuru

    2015-2-18 · Based on the conditions used and the quality of the raw materials, this can produce materials with MgO contents between around 85 % to 98 %. For refractory applications, besides MgO, lime, silica and iron contents are also critical.

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  • Phase Evolution During Preparation ... - Materials

    2007-6-7 · This article describes the preparation of MgAl 2 O 4 spinel-containing refractory cement by solid state reaction, using appropriate mixtures of active alumina (99.5%) and a dolomitic material (MgO 17.83% and CaO 29.60%) proceeding from Olavarría, in the centre of Buenos Aires Province (Argentine). The starting materials were fully ...

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  • Effects of Lizardite addition on technological

    A study of synthetic forsterite refractory materials using waste serpentine cutting. Minerals Engineering 15 (2002) 271–275 [43]Hartman M, Trnka O, Vesely V, Svoboda K. Predicting the rate of thermal decomposition of dolomite.

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  • An Experimental Study of Submerged Entry Nozzles (SEN ...

    2011-10-24 · alumina-graphite refractory base materials in contact with a cerium alloyed molten stainless steel were surveyed. The YSZ coating provided a total prevention of the alumina reduction by cerium. Therefore, the prevention of the first clogging product formed on the surface of the SEN refractory base materials.

    Get Price
  • Dolomite Lumps Manufacturer, Exporter and Supplier

    Dolomite manufactured and supplied by us is commonly found in deposits of a sedimentary rock called dolostone. There are two types of materials often called dolomite, a true chemically uniform calcium magnesium carbonate and a dolomitic limestone, which is just an irregular mixture of calcium and magnesium carbonates.

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  • MARUTI LIME-CHEM INDUSTRIES :: Uses of Lime ::

    2014-5-3 · Quicklime--both high calcium and dolomitic--enjoys its most extensive use as a flux in purifying steel in the electric arc furnace (EAF) and basic oxygen furnace (BOF).Lime is particularly effective in removing phosphorus, sulfur, and silica, and to a lesser extent, manganese. Lime also has important uses in secondary refining of steel and in the manufacture of steel products.

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  • MgO & Mg(OH)2 for Rubber and Plastics | Martin

    Magnesia Products for Specialty Applications: MagChem® 200 AD is used as a thickener in sheet molding and bulk molding compounds, curing agent in neoprene/phenolic adhesives and as an acid scavenger in PVC applications. Versamag® 30 is a specialty grade of reactive magnesium hydroxide blend also used as a thickening agent in sheet molding ...

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  • dolomite processing into its constituents - sources of ...

    2018-2-24 · Dolomite is used for manufacturing certain types of refractory bricks used in steel making. The dolomite is heated to a high temperature to drive off the carbonate as carbon dioxide and the remaining material, a mixture of calcium and magnesium oxides, is blended with carbon and other materials and pressed into blocks for the furnaces.

    Get Price
  • •PT - GBV

    2008-2-15 · 128. Refractory Wear of Dolomitic and Magnesitic BOF Lining Depending on Temperature and Lime Saturation, N. Bannenberg*, AG der Dil linger Huttenwerke; and H. Naefe and P. Urn land, Didier-Forschungsinstitut, Germany (No. 4) 33 129. A Study of the Hardening Time of Resin Bonded Hot Repair Mixes for BOFs, R. Tanaka, N. Yasuda*. T. Tamehiro and ...

    Get Price
  • Limestone and Dolomite and their Use in Iron and

    2013-5-8 · During the calcining, the decarbonation reaction takes place. These reactions which take place in the temperature range of 800 deg C to 1,000 deg C in case of limestone and in the temperature range of 700 deg C to 900 deg C in case of dolomite are CaCO3 + heat = CO2 + CaO (high calcium lime), and CaCO3.MgCO3 + heat = 2CO2 + CaO.

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  • US Patent Application for PREDICTIVE REFRACTORY ...

    A measurement system is provided for predicting a future status of a refractory lining that is lined over an inner surface of an outer wall of a manufacturing vessel and exposed to an operational cycle during which the refractory lining is exposed to a high-temperature environment for producing a non-metal and the produced non-metal. The system includes one or more laser scanners and a processor.

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  • Effects of Lizardite addition on technological

    A study of synthetic forsterite refractory materials using waste serpentine cutting. Minerals Engineering 15 (2002) 271–275 [43]Hartman M, Trnka O, Vesely V, Svoboda K. Predicting the rate of thermal decomposition of dolomite.

    Get Price
  • Dolomite Lumps Manufacturer, Exporter and Supplier

    Dolomite manufactured and supplied by us is commonly found in deposits of a sedimentary rock called dolostone. There are two types of materials often called dolomite, a true chemically uniform calcium magnesium carbonate and a dolomitic limestone, which is just an irregular mixture of calcium and magnesium carbonates.

    Get Price
  • Computational Simulation of Unsteady State Heat

    2015-2-14 · made of 0.0127m thick mild steel. Since the temperature reached during the reaction is about 19000 K [6], the steel bombshell must be lined with refractory material. Recycled magnesium fluoride is used as a refractory material for lining of the reactor and thus prevents the exposure of the vessel wall to high temperature generated due to exothermic

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  • British Lime Association (BLA) part of the Mineral ...

    In the UK, around 250,000 tonnes per year is used for this purpose. It is used for refractory bricks and a wide range of monolithic and gunning materials. The bricks are also used in lime and cement kilns. Dolomitic lime is also used in other applications as a source of lime and magnesia, or as an alkali to raise pH. These include:

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  • Thermal decomposition of asbestos-containing

    2013-3-5 · Asbestos is the common name applied to a group of natural, fibrous silicate minerals, which were once one of the most popular raw materials to be used in building materials. Asbestos was mainly used for the production of assortment asbestos–cement products. Today it is generally known that asbestos belongs to the group of hazardous materials and shows carcinogenic activity.

    Get Price
  • Gouda refractories msds sheets

    gouda refractories msds sheets, Please ensure that all persons coming into contact with this product are aware of the information contained in this MSDS Sheet. Information presented herein has been compiled from sources considered to be reliable and accurate and reliable to the best of our knowledge and belief but is not guaranteed to be so.

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  • •PT - GBV

    2008-2-15 · 128. Refractory Wear of Dolomitic and Magnesitic BOF Lining Depending on Temperature and Lime Saturation, N. Bannenberg*, AG der Dil linger Huttenwerke; and H. Naefe and P. Urn land, Didier-Forschungsinstitut, Germany (No. 4) 33 129. A Study of the Hardening Time of Resin Bonded Hot Repair Mixes for BOFs, R. Tanaka, N. Yasuda*. T. Tamehiro and ...

    Get Price
  • A Review on Recent Advances on Magnesia-Doloma ...

    Due to exhibiting an excellent chemical resistance against basic environments at high temperature, good thermal shock resistance, thermodynamic stability in the presence of carbon, and a suitable abrasion resistance, MgO-CaO refractories are widely used in argon-oxygen decarburization furnaces in the metallurgy industry and cement rotary kilns.

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  • Limestone and Dolomite and their Use in Iron and

    2013-5-8 · During the calcining, the decarbonation reaction takes place. These reactions which take place in the temperature range of 800 deg C to 1,000 deg C in case of limestone and in the temperature range of 700 deg C to 900 deg C in case of dolomite are CaCO3 + heat = CO2 + CaO (high calcium lime), and CaCO3.MgCO3 + heat = 2CO2 + CaO.

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  • (PDF) HARBISON-WALKER Handbook of Refractory

    HARBISON-WALKER Handbook of Refractory Practice Harbison-Walker Refractories Company 400 Fairway Drive Moon Township, PA 15108

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  • Computational Simulation of Unsteady State Heat

    2015-2-14 · made of 0.0127m thick mild steel. Since the temperature reached during the reaction is about 19000 K [6], the steel bombshell must be lined with refractory material. Recycled magnesium fluoride is used as a refractory material for lining of the reactor and thus prevents the exposure of the vessel wall to high temperature generated due to exothermic

    Get Price
  • Dolomite Lumps Manufacturer, Exporter and Supplier

    Dolomite manufactured and supplied by us is commonly found in deposits of a sedimentary rock called dolostone. There are two types of materials often called dolomite, a true chemically uniform calcium magnesium carbonate and a dolomitic limestone, which is just an irregular mixture of calcium and magnesium carbonates.

    Get Price
  • Thermal decomposition of asbestos-containing

    2013-3-5 · Asbestos is the common name applied to a group of natural, fibrous silicate minerals, which were once one of the most popular raw materials to be used in building materials. Asbestos was mainly used for the production of assortment asbestos–cement products. Today it is generally known that asbestos belongs to the group of hazardous materials and shows carcinogenic activity.

    Get Price
  • Mineral Resource of the Month: Lime - EARTH Magazine

    2021-4-17 · If the temperature is raised to about 1,650 degrees Celsius, dolomitic quicklime becomes “dead-burned,” so-called because it no longer reacts with water. Hydrated (or slaked) lime is a dry powder, putty or slurry produced in a hydrator by reacting quicklime with water. In the United States, most lime is produced as quicklime (about 85 percent).

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  • Gouda refractories msds sheets

    gouda refractories msds sheets, Please ensure that all persons coming into contact with this product are aware of the information contained in this MSDS Sheet. Information presented herein has been compiled from sources considered to be reliable and accurate and reliable to the best of our knowledge and belief but is not guaranteed to be so.

    Get Price
  • Metallurgy - Cimprogetti

    2015-10-27 · other materials, such as fluorspar or alumina, to form a synthetic slag, which is used as a flux to remove additional sulfur and phosphorus after the initial steel refining process. Steel Products - Hydrated lime (either dry or as a slurry) has a number of miscellaneous applications, in the manufacture of steel products.

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