| 摘要 |
<p>PROBLEM TO BE SOLVED: To install a frame incorporated with a microorganism carrier easily, surely, and safely in a water tank which has a sewage inflow port and a treated water outflow opening and purifies sewage microorganisms adherent to the carrier by fitting a rope engagement means to the upper and lower parts of each inner wall. SOLUTION: A frame 8 is arranged in a water tank, and the other end of a rope 20 fixed to a rope engagement means 7 in the lower angular part of the water tank is passed through the means 7 on the lower side of the frame 8 and the rope engagement part 1 of the means 7 on the wall surface of the water tank in turn. For example, the rope 20 is stretched in the traverse direction in turn, and the tension is adjusted by a tension adjustment means 10. Similarly, the rope 20 is stretched in the longitudinal direction, after the adjustment of the tension, the cross part of the ropes 20 is fixed by a rope fixing material 9. Similarly, the upper surface of the frame 8 is fixed to the water tank to complete work. Since the frame 8 is fixed through the rope 20 without being fixed directly to the water tank, it is settled naturally at a position along a water, preventing the action of local stress.</p> |
