What are the properties of refractory bricks

What are the characteristics of refractory bricks? The characteristics of refractory bricks refer to the properties and characteristics of refractory bricks in the process of use, including wear resistance, slag resistance, impact resistance and other aspects of refractory bricks. What are our common refractory bricks such as bulk density, apparent porosity, load softening temperature, compressive strength, etc.? These are the inherent properties of refractory bricks.

Refractory bricks are made of refractory raw materials, refractory powder and additives, and binders are mixed and formed after high temperature firing, and the refractory materials used in the production of refractory bricks themselves have certain properties, and will form a unique performance after being sintered in a high-temperature environment after combining.

Characteristics of refractory bricks:

1. Low creep: common refractory bricks generally do not require creep rate during production, and the refractory raw materials of refractory bricks need to be controlled when making refractory bricks with low creep, and the production process is used to produce refractory bricks. Low creep refractory bricks have little creep in high temperature environments, that is, they change little with time in high temperature environments.

2. Low porosity, the apparent porosity of refractory bricks is also an indicator to detect whether the refractory bricks are dense and lightweight, but the low porous refractory bricks belong to a special refractory brick, and the raw materials and production processes are controlled to complete the processing of the low porous refractory bricks, which can be used for the lining of the kiln to extend the service life of the lining.

3. High strength and wear resistance, refractory bricks have high strength and wear resistance, which is better than the commonly used refractory bricks, refractory bricks have high compressive strength and good wear resistance in a high temperature environment, such as refractory raw material silicon carbide, which itself has a certain wear resistance, and can increase the wear resistance of refractory bricks as refractory raw materials.

4. Thermal conductivity, refractory bricks with good thermal conductivity have high heat transfer efficiency, such as carbonaceous refractory raw materials themselves have certain thermal conductivity, and refractory bricks made of carbonaceous raw materials have certain thermal conductivity.

The above four points illustrate the characteristics of refractory bricks, and the properties and characteristics of refractory bricks make them exert the high-temperature performance of refractory bricks in a high-temperature environment, so that the lining of refractory brick masonry can resist high-temperature gas and slag erosion, and better make the kiln run.