gb2176773aunderstanding types of refractory
FURNACES AND REFRACTORIESModern Eq
This section describes the types of furnaces refractories and insulation materials used in industry. It also gives criteria for selecting refractory types for optimum results. 2.1 Types of furnaces Furnaces are broadly classified into two types based on the heat generation method combustion
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A refractory material or refractory is a material that is resistant to decomposition by heat pressure or chemical attack and retains strength and form at high temperatures. Refractories are polycrystalline polyphase inorganic nonmetallic porous and heterogeneous.
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Basic refractories consists mainly of basic oxides without free silica and resist the action of bases. The most common basic refractories are Magnesite Dolomite lime etc. But lime because of its dehydrating tendency is never used as a refractory.
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Apr 30 2017 · Based on principal base features refractories are of two types. The first type is oxide-containing refractories. They are namely based on oxides and their compounds the most important oxides are Al2O3 CaO MgO SiO2 Cr2O3 and ZrO2. The second type is non-oxide refractories.
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Forsterite is one of the magnesium silicate types of refractory. Its formula is 2MgO.SiO 2 with 60-70 MgO and 15-20 SiO 2 which has stable existence above 1600 ◦ C. They have high refractoriness high temperature strength resistance to basic slag erosion resistance excellent thermal stability acidic slag also has some adaptability
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Oct 26 2015 · The typical refractory materials include fireclay refractories high alumina refractories silica brick Magnesite refractories Chromite refractories Zirconia refractories Insulating materials
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