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Can refractory mud replace refractory bricks?
  • Time:Jul 10, 2023
  • Views: 2

Refractory mud can replace refractory bricks in some cases, but judgment needs to be made according to specific application requirements and working environment. The following will introduce whether refractory mud can replace refractory bricks.

In some cases, refractory mortar can temporarily or partially replace refractory bricks. For example, during furnace repairs, refractory putty can be used to temporarily repair damaged surfaces to ensure proper operation of the equipment.

However, for refractory structures that require greater stability and long-term use, such as high-temperature kilns or heavy industrial equipment, it is recommended to use refractory bricks for fixed construction. The following is an introduction to the difference between refractory mud and refractory bricks, so that you can choose the appropriate refractory material.

1. The difference in material properties:

Refractory mud: Refractory mud is a slurry-like material made of refractory aggregate and binder. It has good plasticity and adhesion, and can form a uniform coating or filling. Refractory putty is generally suitable for coating, repairing or filling equipment surfaces or cracks.

Refractory bricks: Refractory bricks are solid bricks made of refractory aggregates through high-temperature sintering and other processes. Refractory bricks usually have excellent refractory performance, mechanical strength and corrosion resistance, and are suitable for building fixed parts of refractory structures such as furnaces, kilns, and refining furnaces.

2. Differences in application scenarios:

Refractory mud: Due to its good plasticity and cohesiveness, refractory mud is suitable for surface coating, repairing and filling of irregular shapes or complex structures. It is widely used to repair the damaged parts of furnace inner wall, furnace roof, starting plate, ladle and other equipment, and to fill brick joints, cracks and voids.

Refractory bricks: Refractory bricks are suitable for equipment and working environments that need to build refractory structures, such as high-temperature kilns, refining furnaces, converters, etc. Refractory bricks can withstand thermal stress and chemical attack in high temperature environments and provide stable structural support.

3. Performance comparison:

Refractory putty: Refractory putty has good plasticity and adhesion, and can form a dense coating on irregular or complex surfaces. However, since it is mainly in the form of slurry, its refractory performance and mechanical strength may be lower compared to solid bricks.

Refractory bricks: Refractory bricks have excellent refractory properties, mechanical strength and erosion resistance. Its structure is stable and can withstand high temperature and harsh working conditions for a long time.

refractory mud
In short, refractory mud can replace refractory bricks to a certain extent, but it needs to be evaluated according to specific application requirements and working environment. When selecting materials, factors such as fire resistance, mechanical strength, construction convenience and expected service life should be considered comprehensively.

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