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refractory materials dolomitic

  • refractory materials dolomitic sold on ebay

    2020-3-31 · Materials normally acting as fluxes (like dolomite, talc, calcium carbonate) are refractory here because they are fired in the absence of materials they react normally with. Dolomite Examples of calcium carbonate (top) and dolomite (both mixed with 25% bentonite to make them plastic enough to make a test bars).

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  • Dolomite Refractory Materials | Article about Dolomite ...

    Dolomite Refractory Materials. a coarsegrained powder from crushed dolomite that has been fired to a sintered state and articles from such a powder, predominantly with resinous binding (unfired and fired). The sintered dolomite powder is used for patching the fettlings of openhearth and electric steel furnaces, and the dolomite products (including ...

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

    Dolomite is also used as fettling material (heat-resistive refractory material) to line the interior of the open hearth or other furnaces for the production of steel. Dolomite is also used to make...

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  • Wettability between molten slag and dolomitic

    2016-11-1 · In the current study, the wettability between molten slag and dolomitic refractory materials used in the ladle during steel refining was investigated. The contact angle between molten slag and dolomitic substrate decreased with increasing temperature.

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

    2014-7-11 · The choice of refractory and the advantage of dolomite over other types of materials have also been dealt with. The suitability of Indian raw materials namely—dolomite, dolomitic magnesite and magnesite as well as suitable methods of their calcination for use as …

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  • REFRACTORIES - CALCINOR. Minerales industriales

    Dolomitic refractory materials (bricks and compounds) are produced from a dolomite sinter in a double-pass sintering process, which gives the refractory constant physical and chemical properties. This raw material is produced by Calcinor in their Bueras plant (Dolomitas del Norte), thereby achieving a vertical integration and closing the productive cycle of the value chain.

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  • Wettability between Molten Slag and Dolomitic

    Request PDF | Wettability between Molten Slag and Dolomitic Refractory | In the current study, the wettability between molten slag and dolomitic refractory materials used in the ladle during steel ...

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  • Dolomite Aggregate - Rongsheng Refractory

    2018-8-10 · Advantages od dolomitic linings DESULPHURISATION OF THE STEEL ... Of all refractory oxides, it is the one that possesses least oxidisation potential, and therefore leaches less oxygen into the steel that may react with other metal elements to produce non-metallic inclusions. ... COMPATIBILITY WITH OTHER RAW MATERIALS Sintered dolomite is ...

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  • Raw Materials : Dolomite | KELSEN Refractarios |

    2019-1-1 · Traditionally, metallurgical and dolomitic lime are added to increase MgO saturation of the slag in Electric Arc Furnaces (EAF) to reduce refractory attack. Replacement of dolomitic lime by spent MgO-C refractory has been shown to lead to higher MgO in slag and increased refractory lifetime (Conejo et al., 2006; Lule et al., 2005) provided that care is taken to determine the proper dosing (Luz et al., …

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

    2014-7-11 · The choice of refractory and the advantage of dolomite over other types of materials have also been dealt with. The suitability of Indian raw materials namely—dolomite, dolomitic magnesite and magnesite as well as suitable methods of their calcination for use as …

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  • Wettability between molten slag and dolomitic

    In the current study, the wettability between molten slag and dolomitic refractory materials used in the ladle during steel refining was investigated. The contact angle between molten slag and dolomitic substrate decreased with increasing temperature. The slag with lower basicity spread on the substrate more easily and penetrated deeper into the substrate.

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  • Raw Materials : Dolomite | KELSEN Refractarios |

    2018-8-10 · in Cantabria-Spain. Our raw material Dolomite: double calcium carbonate and magnesium CaMg (CO3)2 when theoretically pure, contains a stoichiometric ratio of calcium carbonates and magnesium: 45,7% MgCO3 (21,85% MgO) and 54,3% CaCO3 (30,4% CaO). Our dolomites are very close to these values because they do not have the undesirable impurities for ...

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  • Wettability between molten slag and dolomitic

    In the current study, the wettability between molten slag and dolomitic refractory materials used in the ladle during steel refining was investigated. The contact angle between molten slag and dolomitic substrate decreased with increasing temperature. The slag with lower basicity spread on the substrate more easily and penetrated deeper into ...

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  • Dolomite Powder | Pratibha Refractory Minerals

    2021-5-17 · Dolomite Powder - Supplier, Manufacturer and Exporter. Dolomite is a carbonate mineral composed of calcium magnesium carbonate CaMg (CO3)2. It is a common sedimentary rock-forming mineral that can be found in massive beds several hundred feet thick.Dolomite is used as an ornamental stone, a concrete aggregate and as source of magnesium oxide.

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  • REFRACTORY MATERIALS - CM Swiss Sagl

    2018-9-4 · The challenge for refractory producers is to design optimum refractory products from suitable raw materials for each of the customer´’s production processes. The optimum formula decides. CM swiss, as a result of years of close cooperation with customers, is able to offer tailor-made refractory solutions for any customer requirement.

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  • Dolomitic - definition of dolomitic by The Free

    Define dolomitic. dolomitic synonyms, dolomitic pronunciation, dolomitic translation, English dictionary definition of dolomitic. n. 1. A white or light-colored mineral, essentially CaMg 2, used in fertilizer, as a furnace refractory, and as a construction and ceramic material. ... Dolomite Refractory Materials; Dolomite rock; Dolomite rock ...

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  • Dolomitic | Article about dolomitic by The Free

    The rock may be metamorphosed into dolomitic marble. Most dolomites probably originated from the partial replacement of the calcium in limestone by magnesium. Its chief uses are as a building stone, for the manufacture of refractory furnace linings, and as basic magnesium carbonate for pipe coverings.

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  • Phase Evolution During Preparation ... - Materials

    2021-6-5 · In this article we will discuss about:- 1. Meaning of Refractories 2. Properties of Refractories 3. Refractory Fibres 4. Uses. Meaning of Refractories: . The term refractories embraces all materials used in the arts for the construction of heat resisting containers, using the word in its broadest sense, whether it be to afford space for the evolution of gases in combustion processes or the ...

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

    2014-7-11 · The choice of refractory and the advantage of dolomite over other types of materials have also been dealt with. The suitability of Indian raw materials namely—dolomite, dolomitic magnesite and magnesite as well as suitable methods of their calcination for use as …

    Get Price
  • Dolomite Powder | Pratibha Refractory Minerals

    2021-5-17 · Dolomite Powder - Supplier, Manufacturer and Exporter. Dolomite is a carbonate mineral composed of calcium magnesium carbonate CaMg (CO3)2. It is a common sedimentary rock-forming mineral that can be found in massive beds several hundred feet thick.Dolomite is used as an ornamental stone, a concrete aggregate and as source of magnesium oxide.

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  • Dolomite-magnesite refractory and batch therefor -

    Dolomite-magnesite refractory and batch therefor. United States Patent 3901721. Rebonded basic refractory consisting of 65-75% -4+65 mesh coarse grain bonded with -100 mesh (preferably at least 65% thereof being -325 mesh) magnesite fines. The coarse fraction in the batch is a mechanical mixture of (based on the whole batch) 10-55% dead-burned ...

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  • Magnesite refractory with a high CaO content |

    Chromite, added in amounts of 10% to dolomitic magnesite containing 8.35% CaO by bonding with it completely during firing, is an effective stabilizer. An increase in the chromite content of the batch of more than 10% lowers the quality of the refractory. The hydrothermal treatment of the calcined dolomitic magnesite with 10% chromite accelerates the process of hydrating the free CaO and ...

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  • The Suitability Of Wisconsin Dolomitic Lime For Basic ...

    2012-3-17 · The Suitability Of Wisconsin Dolomitic Lime For Basic Refractory Brick...: Koehler, Walter Allos: Amazon.com.au: Books

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  • Wettability between molten slag and dolomitic

    Download PDF: Sorry, we are unable to provide the full text but you may find it at the following location(s): http://wrap.warwick.ac.uk/8109... (external link)

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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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  • How High Calcium and Dolomitic Lime Adds Value &

    2021-6-1 · In BOP steelmaking, molten iron from a blast furnace is charged into a refractory-lined furnace, and then oxygen is injected into molten iron at high speeds, resulting in oxidation of carbon and impurities. High calcium and dolomitic lime is used in several steps throughout this process and results in several enhancements and benefits.

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  • Dolomitic | definition of dolomitic by Medical dictionary

    A general term for a specific form of calcium-magnesium carbonate that may used as a calcium supplement to ensure healthy bones, which is mined in the Dolomites in northeast Italy. Some of the mineral deposits are contaminated with heavy metals (lead, cadmium, etc.), for which the FDA sets a maximum level of 5 ppm (which dolomite exceedes).

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  • Dolomitic synonyms, dolomitic antonyms -

    Synonyms for dolomitic in Free Thesaurus. Antonyms for dolomitic. 1 synonym for dolomite: bitter spar. What are synonyms for dolomitic?

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  • Dolomite Powder | Pratibha Refractory Minerals

    2021-5-17 · Dolomite Powder - Supplier, Manufacturer and Exporter. Dolomite is a carbonate mineral composed of calcium magnesium carbonate CaMg (CO3)2. It is a common sedimentary rock-forming mineral that can be found in massive beds several hundred feet thick.Dolomite is used as an ornamental stone, a concrete aggregate and as source of magnesium oxide.

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  • Magnesite refractory with a high CaO content |

    Chromite, added in amounts of 10% to dolomitic magnesite containing 8.35% CaO by bonding with it completely during firing, is an effective stabilizer. An increase in the chromite content of the batch of more than 10% lowers the quality of the refractory. The hydrothermal treatment of the calcined dolomitic magnesite with 10% chromite accelerates the process of hydrating the free CaO and ...

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  • HYDRATION RESISTANCE FOR DOLOMITE GRAIN -

    What is claimed is 1. An improvement in a process of producing hydration resistant, low flux dolomitic refractory material in which a dolomite containing at least 98 percent by weight of CaO and MgO is calcined to produce quicklime, the quicklime is slaked to partially hydrate the oxides, and the partially hydrated oxides are formed into a refractory shape and then sintered, the improvement ...

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  • Wettability between molten slag and dolomitic

    Download PDF: Sorry, we are unable to provide the full text but you may find it at the following location(s): http://wrap.warwick.ac.uk/8109... (external link)

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  • Refractories: Properties and Types | Engineering

    2021-6-5 · In this article we will discuss about:- 1. Meaning of Refractories 2. Properties of Refractories 3. Refractory Fibres 4. Uses. Meaning of Refractories: . The term refractories embraces all materials used in the arts for the construction of heat resisting containers, using the word in its broadest sense, whether it be to afford space for the evolution of gases in combustion processes or the ...

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  • DOLOMITIC QUICKLIME | Chemical | Carmeuse

    2020-7-1 · DOLOMITIC QUICKLIME | Chemical. Chemical manufacturing often involves specialized or proprietary processes that require a consistent and economical feed of raw materials. Dolomitic quicklime is often used for its calcium and magnesium value in either a final product or by-product. Introduction.

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  • Egyptian refractory raw materials - Techna Group

    Abstract. The Egyptian refractory raw materials available for application in the production of acidic and basic refractories are reviewed. Quartz and quartzite as well as fireclay and kaolin deposits suitable for the production of shaped and unshaped acidic products; namely, silica and aluminosilicate refractories exist at some localities in Aswan, Sinai and Eastern Desert.

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  • Refractory Raw Materials-Silicon Fume SF-90 real-time ...

    Buy Refractory Raw Materials-Silicon Fume SF-90, Find Details include Size,Weight,Model and Width about Refractory Raw Materials-Silicon Fume SF-90. Make an Inquiry for Refractory Raw Materials-Silicon Fume SF-90 at OKorder.com.

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  • Dolomitic synonyms, dolomitic antonyms -

    Synonyms for dolomitic in Free Thesaurus. Antonyms for dolomitic. 1 synonym for dolomite: bitter spar. What are synonyms for dolomitic?

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  • Should I use dolomitic or calcitic lime? - MSU Extension

    2015-12-17 · If liming is required, a dolomitic or calcitic liming material will supply sufficient calcium to maintain crop growth. Dolomitic lime sources have the added benefit of increasing available magnesium. Choose the most economical liming material when liming is required. Do not apply gypsum or calcitic limestone to Wisconsin soils simply to ...

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