| 摘要 |
<p>PURPOSE: To provide a filter bed unit which is superior in performance to a conventional product with the same diameter and in which clogging scarcely occurs. CONSTITUTION: In a filter bed unit in which four large circular holes and four small circular holes are arranged alternately in a saddle-shaped flap 10, hollow conical columns 20 are installed on both sides of the flap 10 protruding alternately in the large circular hole, and the columns 20 installed on the same surface of the flap 10 are connected with each other by support walls 30, in the surrounding of the column 20, flat plate type blades are installed standingly on the flap 10 radially around the conical column 20, and one end of the blade is connected with the side wall surface of the column 20.</p> |
