Magnesia-Alumina Spinel Bricks Refractory Bricks

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

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Product Description:

Packaging & Delivery

 

Packaging Details:

Wood carton box:10pcs/carton wooden   pallet:544pcs/pallet

Delivery Detail:

15 Days deposit

 


Specifications

1. Pure raw material 
2. less impurity content 
3.through high pressure forming and high temperature burning of brick

1.Pure raw material, less impurity content; through high pressure forming and high temperature burning of brick.

2. The product has advantages of well able to bear erosion, spalling-resistance and high temperature resistant.

3. The product is widely used in transition zone of large dry-process cement rotary kiln. 


LMLJ-80

LMLJ-75

Item\Label and Standard

Standard

Typical Value

Standard

  Typical Value

  MgO,%

≥80

85.5

≥75

81.2

  Al2O,   %

8~15

10.2

8~15

9.83

   apparent   porosity, %

≤17(18)

16

≤18(19)

16

0.2MPa   refractoriness under load °C

≥1700

1800

≥1650

1750

 cold   crushing strength ,MPa

≥40

57

≥40

68

 thermal   expansion(1100°C,cooling water),times

≥20

20

≥5

16

 

 


Magnesia-Hercynite Brick, Refractory Bricks, Magnesia-Hercynite Refractory Brick

Magnesia-Hercynite Brick, Refractory Bricks, Magnesia-Hercynite Refractory Brick

Magnesia-Hercynite Brick, Refractory Bricks, Magnesia-Hercynite Refractory Brick


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Q:What is the high-grade magnesia spinel brick?
Then there was the second generation of magnesia spinel brick, and its features are changed
Q:Characteristics of sintered spinel used in refractory zzjsnc
For the production of castable for ladle lining steel plate greatly improve the anti erosion ability. It is widely used in steelmaking refractories provides new raw material for the production of high quality synthetic stone pre sintered spinel prepared amorphous and amorphous high purity refractory material
Q:Spinel compound brick composite layer pollution layer does not affect the use of theoretical basis for it
The study of mg Al spinel synthesized with MgO raw materials and Al2O3 raw materials (calcined alumina or alumina) has begun as early as 1930s. Magnesia alumina spinel was synthesized from industrial alumina and activated alumina in 1939 and used for making bricks. In 40s, people found that the addition of alumina powder in magnesia could improve its thermal stability, this is actually a spinel bonded brick. When the magnesia brick is mainly used in cement kiln, but in addition to the production of white cement kiln, it was replaced by magnesia chrome refractories.
Q:What are the uses of magnesia spinel brick in the industry?
Instead of magnesia chrome brick sand manufacturing magnesia spinel brick used in cement kiln, not only to avoid the chrome pollution, but also has good resistance to spalling;
Q:What is the structure of magnesium aluminate spinel?
The crystal is composed of eight faces, eight bodies and twelve faces of diamond
Q:What is the primary crystal phase? What is the secondary phase?
What are the major crystal phases and phases of refractories? What is called the main crystal phase? The main crystal phase refers to a crystalline phase which constitutes the main structure of the material and has a high melting point and plays a dominant role in the properties of the material.
Q:What are the characteristics of Mg rich spinel and aluminium rich spinel?
Occurs in the contact metamorphic zone of acid intrusive rocks and dolomite and dolomitic limestone, and is associated with forsterite, diopside and so on. It is also found in peridotite, Kimberley rock, magnesian porphyry and some crystalline schist.
Q:What's the difference between iron spinel and magnesium aluminum spinel?
Such as aluminum spinel, iron spinel, zinc spinel, manganese spinel, chromium spinel, etc.. Due to the inclusion of different elements, different spinel can have different colors, such as magnesium spinel in red, blue, green, brown or colorless between; zinc spinel is dark green; iron spinel black, and so on.
Q:What is the significance of the synthesis of mg Al spinel? What are the main approaches?
The spinel has high hardness, chemical stability, high melting point and good properties, high temperature resistance in various melt erosion is very strong, so the orebody in spinel, improve the high-temperature performance of the product. Although the spinel has the above properties, the natural magnesium aluminum spinel is very few and can not meet the needs. Therefore, the synthetic method is usually used in modern times.
Q:Is magnesium spinel harmful to the body? Such as title magnesium spinel, harmful to the body?
Extremely harmful! Studies have shown that brain tissue has affinity for aluminum, and excessive deposition of aluminum in brain tissue can cause memory loss, mental retardation, slow action and aging.

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