Maintenance technique of refractory castable

The maintenance skills of refractory castable, the maintenance of refractory castable is very important, but it is also the most easily ignored factor, the maintenance quality of refractory castable after demarking directly affects the service life and effect of refractory castable.Curing is to give the binder in the refractory castable time to set and harden so as to obtain sufficient initial strength.Therefore, after the completion of construction of refractory castable should be timely maintenance, depending on the specific situation to decide whether to dismantle the mold.

Refractory castable at the time of maintenance, can use wet sack or wet mat cover sprinkling water on the surface of the refractory castable and timely to keep moist state, for not convenient cover parts (such as vertical wall and top wall) can use the sprayer in castable surface water protection, the best curing time in 2 d, and the first day shall be appointed drinks.The curing system is related to the type of binder used for refractory castable.If shorten curing time in production, or do not curing at all, often cause the next baking problems.