| 摘要 |
<p>Device consisting of a housing or tank with an inlet for the material to be cooled on the upper side of said housing, and a grille construction located near the lower side of the aforesaid housing, with a fixed grille and a movable grille, which can be displaced from one side to the other, and in which the movable grille has been arranged under the fixed grille, whilst a third grille has been placed under the movable grille, said third grille being displaceable and adjustable in various positions during operation.</p> |
