How to Deal with Falling Boiler Refractory Bricks

Thermal expansion and cold contraction: When the boiler is running, the refractory bricks are alternately affected by high temperature and cooling, and are prone to thermal expansion and cold contraction, causing the gaps between the bricks to become larger, causing the refractory bricks to loosen and fall off.

Chemical erosion: The acidic gas or chemical substances produced when the fuel is burned in the boiler will corrode the refractory bricks, causing them to gradually loosen and cause them to fall off.

Mechanical damage: During the operation of the boiler, mechanical damage such as vibration or impact may occur, causing the refractory bricks to be damaged or fall off.

Dealing with fallen refractory bricks usually requires the following measures:

Inspection and repair: Regularly check the refractory bricks inside the boiler, and promptly repair or replace any damaged or loose bricks.

Reinforced support: Reinforce the supporting structure on the upper part of the refractory bricks to reduce the possibility of the bricks loosening and falling off due to thermal expansion and cold contraction.

Control the fuel composition: Try to control the fuel composition and combustion process to reduce the chemical erosion of the refractory bricks.

Repair or replace: Refractory bricks that have fallen off or are damaged need to be repaired or replaced in time to ensure the normal operation and safety of the boiler.

Based on the above, regular inspection and maintenance of the refractory bricks inside the boiler is one of the important measures to ensure the normal operation and safety of the boiler.