Ladle Refractories Magnesia Alumina Carbon Brick

Ladle Refractories Magnesia Alumina Carbon Brick

Magnesia alumina refractory ball refers to the basic refractory ball with 85% MgO, Al2O3 5-10%, Cr2O3 ≤ 2.5% and main mineral composition of periclase and main crystal phase of magnesia alumina spinel.The product is resistant to high temperature, heat wave and erosion, especially Fe2O3.
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Description

Sticking for the perception of 'Creating goods of high quality and making good friends with people today from all around the world', we constantly set the interest of shoppers to begin with for Activated Alumina Ball, Zirconia Foam Ceramic Filter, Fireclay Insulating Brick. From made in China to created in China, we let China creation go abroad and go to the world and won the recognition and trust of global consumers with professional quality. Our company gathers professional elites with innovative consciousness, relying on modern business philosophy, advanced management mode, strong R&D ability and perfect service system, our products are widely praised from all walks of life. In recent years, our company's reputation has been rising, which is the result of our constant pursuit.

1.Description:Magnesium aluminum refractory ball is an improvement in the production process of magnesium refractory ball. Magnesium oxide and bauxite are loaded into a ball mill according to the scientific ratio and ground together. Magnesium aluminum spinel is formed in the process of high-temperature sintering, and the sintering temperature is generally about 50 ℃ higher than that of magnesium ball. The product has excellent thermal shock stability, high mechanical strength, high load softening temperature, good slag resistance, especially good resistance to alkaline slag and alkaline atmosphere erosion. It is not easy to break into slag and block on the ball bed, which affects the heat storage effect

The product is applied to the high-temperature area on the upper part of the ball bed, and can be used for a long time under the temperature of 1350-1400 ℃. Compared with high aluminum balls, the product has superior high-temperature performance, especially its heat storage capacity and service life. Practice has proved that the product with a diameter of 80-90mm has good heat transfer effect, reduces the bed resistance, increases the hot air pressure and air supply temperature, creating favorable conditions for the ball bed to store or release more high-temperature heat

2. Features of Magnesia alumina refractory ball: 

1) High mechanical strength

2) Strong corrosion resistance, especially alkali slag corrosion resistance

3) Good thermal shock stability

4) High temperature resistance, better than high aluminum fireball

5) Non stick ball

3.Application of Magnesia alumina refractory ball: mainly used in the upper section of ball bed of ball or hot blast furnace

4. Specification:φ50~90mm

5.Main performance parameters

ITEM

MLQ-85

UNIT

TECHNICAL   INDEX

MgO

%

≥85

Al2O3

%

5-10

Porosity

%

≤19

Density

g/cm3

2.9-3.05

Compressive strength

Mpa

≥180

Thermal shock stability

950℃,air cooling

times

≥25

Refractoriness under load

≥1550

Reheating linear change rate

%

1500℃*3h,±0.2

6.Good feedback of product use effect,the products have been exported to Brazil, Morocco and Iran.

7.We are a professional supplier, who can provide customers with free product technology, use and other issues.




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Contact me:Email:wp@cnjingganrefractory.com/sdwenping@163.com

TEL: 86-0533-4188518 / FAX: 86-0533-4188518

Rose:+86-13275332819(wechat/whatsapp number)


We will give back the support and love from all walks of life with high quality Ladle Refractories Magnesia Alumina Carbon Brick. We hope we can create brilliant career together. We are based on honesty, adhering to the tenet of survive by quality, developing by innovation, and always regarding the needs of consumers as the starting point and foothold of the troupe. Our company will adhere to 'Quality first, , perfection forever, people-oriented, technology innovation'business philosophy.

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