Magnesia-Hercynite Brick, Refractory Bricks, Magnesia-Hercynite Refractory Brick
- Ref Price:
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- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 100 m.t./month
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Packaging & Delivery
| Packaging Details: | Wooden pallet which is seaworthy or as customers request |
| Delivery Detail: | Within 15 days after contract |
Specifications
magnesia bricks
Easily adhering kiln crust,solves the problem of environmental pollution caused by the sexavalent chrome
Magnesia hercynite spinel refractory brick
Features:
1.high crushing strength
2.good thermal shock resistance
3.good thermal creep performance
4.high refractoriness under load
5.easily adhering kiln crust
6.which solves the problem of environmental pollution caused by thesexavalent chrome
Applications:
calcining zone of cement rotary kiln
WHY US ?
The Service We Provide . We Take Care Of Your Order.
· Sound after sales service--provide 24 hours’ consultation service.
· Design upon their special requirements
· Our company provides all-round services for the customers, including the guide of construction, and lining installation, and operation training after-sale.
The Quality We Provide . Outstanding Quality Assurance.
· Professional fireclay brick manufacture--30 years of fire-proof material suppliers .
· Guaranteed quality--ISO9000 quality management system.
· Our factory covers a production background of more than 30 years. We have a factory occupying an area of 8000 square meter equipped with 4 production lines.
- Q:Spinel compound brick composite layer pollution layer does not affect the use of theoretical basis for it
- The chemical composition of magnesia spinel brick has an important effect on the performance of. The suitable chemical compositions of spinel are 8%~20%, cao0.5%~1.0%, fe2o30.2%~8%, sio2<0.4%, B2O3 and alkali. The impurity content is less than 0.3%, and the rest is mgo. When the Al2O3 content is less than 8%, less content of spinel crystals, intergranular directly binding to periclase and periclase magnesia brick, showing the shortcomings, namely spalling resistance difference. When the content of Al2O3 is more than 20%, the corrosion resistance of brick decreases. When cao<0.5%, fe2o3<0.2%, spinel mineral crystal is less than 5mm or more hours, almost as crystal direct binding between periclase and periclase, which shows the disadvantages of magnesia brick. With the increase of the content of Cao and Fe2O3, the liquid phase formed by the low melting point of cao-al2o3-fe2o3 system is formed, which makes the spinel crystal grow up and the anti flaking property produced by the spinel crystal can be exploited. But when cao>1%, fe2o3>0.8%, cao-al2o3-fe2o3 system low melting point liquid phase increased spinel crystal size is more than 20mm, because cao-al2o3-fe2o3 system low melting material increased the thermal strength decreased. When the content of SiO2 is more than 0.4% and the content of impurities such as B2O3 and base is more than 0.3%, more low melting substance is produced, and the thermal strength of the brick decreases. The content of Al2O3 in the range of 8%~20%, the microstructure can be observed on spinel mineral evenly distributed in the periclase spinel mineral, the crystal size is about 5~20mm, the better comprehensive performance of brick.
- 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: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:What's the difference between iron spinel and magnesium aluminum spinel?
- Spinel is a mineral of magnesium aluminum oxide, because it contains elements such as magnesium, iron, zinc, manganese and so on
- Q:Is magnesium spinel harmful to the body? Such as title magnesium spinel, harmful to the body?
- The long-term intake of aluminum will eventually harm the health of the human body. These two elements are not soluble and can cause pneumoconiosis and lung cancer after inhalation.
- Q:What is the primary crystal phase? What is the secondary phase?
- There are structure of refractory refractory material in the crystal phase, especially the direct combination of high melting point and so on, the resistance to high temperature also tend to benefit. Compared with the ordinary brick, the second phase of the refractory products, make the products refractoriness under load are improved. Many according to mineral composition of refractory material named, such as mullite corundum brick, corundum mullite brick, is its main crystal phase and the second phase composite named. The former is mainly crystal phase, the latter is sub crystalline phase.
- 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:The difference between aluminium refractory and magnesia refractory
- Aluminum refractory belongs to neutral refractory material, usually refers to silicon aluminum refractory materials, such as: high alumina brick, clay brick, high alumina castable and other products, the production of raw materials is mainly bauxite.
- Q:Spinel refractory brick air-cooled razheng times
- Magnesium Oxide reacts with alumina at over 1700 degrees to produce spinel.
- Q:What is the structure of magnesium aluminate spinel?
- The crystal is composed of eight faces, eight bodies and twelve faces of diamond
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Magnesia-Hercynite Brick, Refractory Bricks, Magnesia-Hercynite Refractory Brick
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 100 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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