| 摘要 |
PURPOSE:To enable refractory blocks with denseness to be manufactured by applying vibration force and press force to a monolithic refractory substance poured into a mold. CONSTITUTION:In a manufacture of refractory blocks through pressure dehydration vibration molding characterized such that a mold 2 having a film 8 with a plurality of drainage ports 7 and a filtration paper or a hole is provided on a vibration table 1, and a monolithic refractory substance 3 is poured therein so as to be pressure-dehydrated by a pressure plate 4, vibration is simultaneously applied thereon in order that pressure sufficiently spreads in the inner part thereof during pressurization. Such time is limited to be in the range of from 30min. to the time when the monolithic refractory substance material cures. By keeping the continuous vibration during pressurization, frictional forces and cohesive forces are weakened, with the result that pressure can sufficiently be spread in the inner part thereof. |
