• Magnesite Magnesia Alumina Spinel Brick for Cement Industry System 1
  • Magnesite Magnesia Alumina Spinel Brick for Cement Industry System 2
  • Magnesite Magnesia Alumina Spinel Brick for Cement Industry System 3
  • Magnesite Magnesia Alumina Spinel Brick for Cement Industry System 4
Magnesite Magnesia Alumina Spinel Brick for Cement Industry

Magnesite Magnesia Alumina Spinel Brick for Cement Industry

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
1 m.t.
Supply Capability:
2000 m.t./month

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Magnesia Alumina Spinel Brick for Cement Industry is used in the transition zone and firing zone of large dry method cement kilns. It is also used in the checker in the glasses furnace, metal-mixer and temperature changed frequently zones in refractory producing furnace. 


Advantage of Magnesia Alumina Spinel Brick

Magnesia Alumina Spinel Brick, it is to point to magnesium stone as raw materials, the Israeli magnesium stone as the main crystal phase, MGO style content in 80% ~ 85% or more of the refractory brick. Its products are divided into two categories: Metallurgical magnesia and magnesia products. Magnesia brick is the main products of basic brick, high refractoriness, of alkaline slag and iron slag has good resistance, high refractory brick is a kind of important. Mainly used in open hearth, oxygen converter, electric furnace and non-ferrous metal smelting, etc. 

 

item

index

MgO,  %

≥82

Al2O3,  %

13-15

Fe2O3,  %

≤0.8

Bulk density ,g/cm3

≥2.98

Apparent porosity,  %

≤17

Cold crushing strength,MPa

≥60

Refractoriness under load,℃,[0.2MPa×0.6%]

≥1700

Thermal shock resistance,time,[1100℃,water-quench]

≥15

Service temperature,℃

≥1800

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Features of Magnesia Brick

Magnesia Alumina Spinel Brick is a new product developed by our company according to the current requirement of enviromental friendly material of building material industry and to improve the performance characteristics of refractories. 

 

FAQ

1.Are you a manufacturer or trader?
Factory + trade (mainly factories, at the same time, we operates other related products)
2.Can we visit your factory?
Sure,welcome at any time,seeing is believing
3.What's the MOQ of trial order ?
No limit,We can offer the best suggestions and solutions according to your condition.
4.Which payment terms are you accept?
T/T,LC, etc are available for us.
5.After an order is placed, when to dliver?
15-25days
6.Is your company accept customization?
We have own factory and excellent technical team, and we accept OEM service.
7.How about your company's certification?
SGS,ISO9001 and Test Report,also we could apply other necessary certification.
8.How to solve the quality problems?
If the products are not conform to customer samples or have quality problems, our company will be responsible to make compensation for it.

 

 

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?
The super high alumina brick in high alumina refractory brick has the highest refractoriness, and the corresponding production cost is higher.
Q: With different capacitance magnesia brick brick
Fused magnesia brick brick has compact structure, high mechanical strength,It is mainly used for thermal storage of large glass furnaceHigh temperature area of the room.
Q: Magnesia brick
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: How to identify the fused magnesia brick and sintered magnesia brick
Burnt magnesia brick is made of high quality sintered magnesia as main raw materials, paper pulp as binder. After mixing and high pressure molding, it is fired in a high temperature tunnel kiln over 1550 degrees celsius. It has good thermal stability, corrosion resistance and spalling resistance. Widely used in converter, arc furnace and other industrial furnace lining refractory.Fused magnesia brick brick has compact structure, high mechanical strength, low impurity content, mainly used for the storage of large glass kilnHigh temperature area of the room. The fused magnesia is made of high quality magnesia as raw material. It is made by melting. The English name is fused magnesite. Magnesium hydroxide from magnesite or brucite or from sea water is calcined at high temperature. Strong hydration resistance.
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: 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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