The causes and prevention methods of refractory brick cold burst

     Refractory brick meet rapid cold and hot, will burst, the reason is very simple, when the cold and hot temperature that burst due to thermal expansion and contraction, refractory brick burst including following several types.

1, refractory brick minerals quartz, tridymite, cristobalite composition, due to the temperature change and also accompanied by quartz crystal type conversion, volume change, so the refractorybrick thermal shock easily burst.

2, refractory brick as magnesia chrome brick, due to thermal expansion coefficient, when the thermal shock, prone to burst.

Methods of prevention of refractory brick burst:

1, using the insulating refractory brick, the insulating refractory brick has the function of heat insulation refractory brick inside, low and stable, is not easy to burst.

2 avoid rapid cold and hot, slow heating and cooling is effective in the prevention of refractory brick burst.

3, select refractory brick that heat coefficient is relatively high and toughness is good, can reduce the probability of burst.