Magnesia Chrome Brick Refractories
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Magnesia chromite brick Specifications
1.High refractoriness2000,
2.excellent anti-oxidation,
3.high strength
4.perfect thermal Stability;
Magnesia chromite brick Application:
1. Used for the roof to all kinds of steelmaking furnace ;
2. RH, VOD, AOD, and other refining installations;
3. Building industry, glass furnace, cement rotary kiln etc.
Magnesia chromite brick Features:
1,Outstanding ability to form stable protective coating
2,High flexibility
3,High refractoriness
4,Low thermal conductivity
Sort | Magnesia-Chrome Brick | ||||||||
Brand Specification | QMGe 8A | QMGe 8B | QMGu 12A | QMGe 12B | QMGe I6A | QMGe 16B | QMGe 20A | QMGe 20B | QMGe 22 |
MgO %≥ | 65 | 60 | 60 | 55 | 50 | 45 | 45 | 40 | 46 |
Cr2O3 %≥ | 8 | 8 | 12 | 12 | 16 | 16 | 20 | 20 | 22 |
Apparent Porosity%≤ | 20 | 20 | 20 | 20 | 20 | 23 | 20 | 23 | 20 |
Cold Crushing Strength Mpa ≥ | 35 | 30 | 35 | 30 | 35 | 30 | 35 | 30 | 35 |
Refractoriness Under Load C ≥ | 1620 | 1550 | 1620 | 1580 | 1620 | ||||
- Q: What are the differences between magnesium chrome bricks, such as direct bonding, re bonding, semi bonding, CO sintering and chemical bonding? Hope expert advice..
- Direct bonded magnesia chrome brickThe loose effect caused by the expansion of spinel when the oxide of magnesia brick is directly reacted with the oxide of iron can also be used to make magnesia chromite brick with 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: 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: What are the environmental hazards of magnesia chrome refractory bricks?
- Some of the magnesia chrome bricks will be converted into Cr6+ when used, producing K2CrO4 and other toxic and carcinogenic compounds such as Cr3+
- Q: How much is magnesium chrome brick a ton?
- The price of bricks in different places is not the same. The average price is about 3500 yuan
- Q: How many kinds of refractory bricks are there?
- Dolomite brick: coating performance, good erosion resistance, but how many bricks f-CaO, yasumizu, it is difficult to transport and storage, production with less.
- Q: Magnesium chrome brick price?
- Dashiqiao magnesium brick factory of China Building Materials Academy is a joint stock company invested, constructed and managed by China Building Materials Academy.The plant was built in 1992, officially put into operation in 1993, covers an area of 89 thousand square meters, has a long 118 meters, an annual output of 30 thousand tons of high temperature tunnel kiln production line. The group has 1200 employees, 6 senior engineers, more than 20 engineers and technicians, and has strong technical force. Group's total assets of 5.5 million, with an annual output value of 600 million. Profit and tax 65 million yuan.
- Q: What are the types of magnesia chrome bricks for industrial use?
- 1. burned magnesia chrome bricks 2. magnesia chrome bricks 3. semi bonded magnesia chrome brick and magnesia chrome brick generally is the three
- Q: What is a half combination of magnesia chrome bricks?
- Opacifying particles as periclase spinel crystal structure, fully developed, as part of account of solution structure and matrix.
- Q: With different capacitance magnesia brick 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.
- Q: What is the difference between magnesia chrome brick and direct bonded magnesia chrome brick?
- The performance of direct bonding magnesia chrome brick is better than that of common magnesia chrome brick.
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Magnesia Chrome Brick Refractories
- Ref Price:
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