Magnesite Brick - AZS41 Refractory Magnesite Brick
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Fused Casting Zirconia Corundum (AZS) bricks for glass furnace
Fused Casting Zirconia Corundum (AZS) bricks for glass furnace
1.Definition:
It is mainly made of the baddeleyite and corundum material.
2.Raw material: corundum and baddeleyite eutecticum
3.Product technology:Casting technology.
4.Production process:
Made of the zirconite (Industry zirconia ) and industry alumina as the mainly mixed raw material, melting in the electric furnace, casting, annealing, machining, then finished.
5.Highlight:1). Fine thermal conductivity in the normal temperature.
2).Compact structure
3).Strong resistant erosion stability to the glass liquid.
4).Not color to the glass.
6.Properties:
chemical composition | AZS-33 | AZS-36 | AZS-41 |
ZrO2 | ≥33 | ≥35 | ≥40 |
SiO2 | ≤16.0 | ≤14 | ≤13.0 |
Al2O3 | a little | a little | a little |
Na2O | ≤1.5 | ≤1.6 | ≤1.3 |
Fe2O3+TiO2 | ≤0.3 | ≤0.3 | ≤0.3 |
Physical Properties
bulk density(g/cm3): | 3.5-3.6 | 3.75 | 3.90 | |
cold crushing Mpa | 350 | 350 | 350 | |
thermal expansion coefficient (1000°C) | 0.80 | 0.80 | 0.80 | |
exudation temp. of glass phase | 1400 | 1400 | 1400 | |
corrocion resistance of glass melt(mm/24h) | 1.6 | 1.5 | 1.3 | |
Density | PT QX | 3.40 | 3.45 | 3.55 |
WS ZWS | 3.60 | 3.70 | 3.8 | |
phase composition(%)
baddeleyite | 32 | 35 | 40 |
glass phase | 21 | 18 | 17 |
α- corundum | 47 | 47 | 43 |
- Q: Brick price?
- There are various series of unshaped refractory gunning, magnesia ramming material, mending material, coating material, dry lining material, composite refining agent, covering agent, tundish and tundish slag wall, ladle drainage sand and electric furnace taphole filler etc..
- Q: The index of magnesia brick
- indexMGe-20 MGe-16 MGe-12 MMGe-8 DBMK-A DBMK-B DBMK-C MgO≥（%） 40 45 55 60 80 80 80 Cr2O3≤（%） 20 16 12 8 6-8 6-8 6-8 SiO2≤（%） --- --- --- --- 2.0 2.5 3.0
- Q: Manufacture of various refractory magnesia brick mainly comes from Magnesium Oxide, what kind of ore?
- Manufacture of various refractory magnesia brick Magnesium Oxide, mainly from magnesite.
- Q: Refractory brick, high alumina brick, magnesia chrome brick, magnesia brick, clay brick, which type of high temperature refractory brick?
- High alumina brick clay brick up to 1700 degrees above 1500 degrees -1750 degrees of magnesia brick and magnesia chrome brick 1500-1650 degrees, I is the production of clay brick, brick my temperature at 1500-1700 degrees. Specific depends on what kiln, brick is only part of it
- Q: Magnesia brick
- Magnesia brick (magnesite brick) basic refractories Magnesium Oxide content of more than 90%, with the main crystalline phase of periclase. General can be divided into sintered magnesia brick (also called burnt magnesia brick) and chemically bonded magnesia brick (also known as the two major categories of not burned magnesia brick). Purity and high firing temperature of magnesia, due to the direct contact of periclase grains, known as direct bonded magnesite brick; made of fused magnesia bricks called electrically fused magnesite brick.
- Q: How to identify the fused magnesia brick and sintered magnesia brick
- Magnesia brick (magnesite brick) basic refractories Magnesium Oxide content of more than 90%, with the main crystalline phase of periclase
- Q: Process for producing magnesia chrome brick
- The oxide of iron reacts to produce a loose effect caused by the expansion of the spinel. Also, the magnesia chrome brick can be made from the synthetic common sintered material. In addition, there are non burned magnesia chrome bricks, for example, non burned magnesia chrome bricks combined with inorganic magnesium salt solutions. The unfired magnesia chrome brick has the advantages of simple production process, low cost and good thermal stability, but the strength of the high temperature is far less than that of the burnt brick. In the late 50s, a so-called "direct bonding" magnesia chrome brick was developed. The characteristics of this brick raw material is pure, high firing temperature, periclase and spinel phase with high temperature directly, silicate and other low melting point phase for island distribution, therefore, significantly improve the high temperature strength and slag resistance of brick.
- Q: How do you differentiate between the two clearly? Where is the key? Thank you
- Magnesia brick have high refractoriness, alkali slag good performance, high load softening temperature, but poor thermal shock resistance. The sintering magnesia brick brick magnesite as raw material, crushing, proportioning, mixing, forming, in 1550 ~ 1600 degrees firing, high purity products firing temperature is over 1750 DEG C. Don't add chemical bond magnesia brick is appropriate in magnesia, through mixing, molding and drying.
- Q: Magnesite chrome brick, magnesia chrome brick indicators? What is the price?.
- According to the actual situation, design the brick you need, and the price of brick is determined by the index.
- Q: Combined with the ordinary clay brick and magnesia brick as an example, the existence of impurities in minerals and refractories production main components of the formed liquid relative what affect the performance.
- The main varieties of common magnesia brick, magnesia brick, magnesia brick, magnesia brick high pure grade. Product main mineral phase is periclase, volume has high stability and anti erosion ability. Literature is widely used in steelmaking, non-ferrous metal smelting and other high-temperature industrial furnace.
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Magnesite Brick - AZS41 Refractory Magnesite Brick
- Ref Price:
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- Loading Port:
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- Payment Terms:
- TT OR LC
- Min Order Qty:
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- Supply Capability:
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