magnesia bricks

magnesia bricks

Magnesium bricks is a high-temperature refractory material mainly composed of magnesium oxide, aluminum oxide and other processing agents. It has excellent fire resistance and can be used at high temperatures for a long time without breaking or breaking. In addition, it has excellent oxidation resistance and corrosion resistance, and can work stably in harsh working environments. Magnesia bricks are suitable for various high-temperature equipment and facilities, such as high-temperature kilns, furnaces and heat treatment equipment in the steel and railway industries, reactors, furnaces and catalytic converters in the chemical industry. It is worth mentioning that magnesia bricks are also lightweight and have low thermal conductivity, so they can better control energy consumption and reduce energy costs.
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Description
Technical Parameters
Products Description

Refractory magnesium bricks is a high-temperature refractory material that is widely used in various high-temperature industrial equipment. Some issues need to be paid attention to during use to ensure its effective use and extend its service life.

 

First of all, you need to pay attention to the maintenance of magnesia bricks. During the use of magnesia bricks, if they encounter excessive soaking or excessive drying, the magnesia bricks will be prone to cracking and damage in high temperature environments. Therefore, during use, the bricks need to be kept moist to prevent drying and cracking.

 

Secondly, pay attention to prevent magnesia bricks from being affected by sudden temperature changes. When preparing heating and cooling equipment, attention needs to be paid to slow changes in temperature to avoid cracking and damage to magnesia bricks due to sudden temperature changes. At the same time, it is also necessary to pay attention to the balance of temperature to avoid the occurrence of local high-temperature areas, which may cause the bricks to be easily damaged.

 

In addition, pay attention to the use environment of magnesium bricks. When using high-temperature equipment such as blast furnaces, heating furnaces, glass kilns, etc., you also need to pay attention to whether there are acidic gases and alkaline gases. If there are, corresponding measures need to be taken to isolate the impact of acidic and alkaline gases on magnesia bricks. Other risk factors such as vibration, oscillation and impact must also be eliminated, so as to fully ensure the shock resistance and integrity of magnesium bricks.

 

Finally, pay attention to the maintenance and upkeep of magnesium bricks. During use, magnesia bricks need to be checked regularly for damage. If damaged, they need to be replaced in time. At the same time, attention should also be paid to the full surface area flushing to remove surface sediments and chars to help extend the service life of magnesium bricks.

 

In short, when using refractory magnesium bricks, you need to pay attention to details, pay attention to care and maintenance, observe precautions and respond to problems in a timely manner. Only in this way can you ensure the effective use of magnesia bricks and extend their service life, and benefit all parties.

 

Product Parameters
Type MZ-97A MZ-97B MZ-95A MZ-95B MZ-93 MZ-91
MgO (%)≥ 97 96.5 95 94.5 93 91
SiO2 (%)≤ 1.0 2.0 2.0 2.0 3.5
CaO (%)≤ 2.0 2.0 2.0 3.0
Apparent porosity (%)≤ 16 18 16 18 18 18
Cold Crushing Strength (MPa)≥ 60 60 60 60
Refractoriness Under Load 0.2MPa℃≥ 1700 1650 1620 1560
Reheat test,permanent linear change after heating at (1650℃,2h)% 0~ – 0.2 0~ – 0.3 0~ – 0.4 0~ – 0.4

 

Product standard size (size can be customized)

2

 
Product Advantages

4

 

Hot Tags: magnesia bricks, China magnesia bricks manufacturers, suppliers, factory

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