Towards Debugging of Answer-Set Programs in the Language PSpb.

A feed nozzle for a liquid fuel or fluid coker feed nozzle for a reactor comprises an outer nozzle shroud with a removable, refractory ceramic fiber wrapped feed nozzle coaxially affixed within the shroud by the coacting of flanges on the outer ends of said shroud and said feed nozzle. A novel method of assembling the same is also disclosed.