Plate-type aerator diaphragm perforation device
A kind of aerator and disc technology, which is applied in the field of disc aerator diaphragm opening device, which can solve the problems of shortened life of disc aerator diaphragm, tearing or failure of micropores, and lower oxygen utilization rate. , to achieve obvious bubble diffusion effect, improve service life and increase the effect of rising flow rate
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Embodiment 1
[0020] Example 1. See figure 1 , The perforating device of this example has a steel disc base 1, the center of the base has a fixed shaft 3, and the shaft is provided with a slot 4 passing through the fixed shaft. The cutter belt 2 is made of alloy steel, and the specifications are: length × width × thickness = 14500mm × 25mm × 1.5mm, and there are continuous ladder-shaped cutter heads on the cutter belt (see figure 2 , image 3 ), the thickness of the cutter head is 0.5mm, the height of the cutter head teeth is 5mm (equal to the thickness of the processed aeration diaphragm), evenly distributed, and the blade is in the shape of a line. With the cutter head 6 facing upwards, the head end of the cutter belt 2 is embedded in the middle slot 4 of the fixed shaft, and then tightly coiled on the fixed shaft. After reaching the designed diameter, the end of the cutter belt 2 is welded on the outer ring 5 . An outer ring 5 with an inner diameter of 270mm is welded to the disc bas...
Embodiment 2
[0022] Example 2. The distance between the cutter heads gradually increases from the outside to the inside, so that the inner and outer layers of the micropores of the aerator membrane are relatively uniform. The rest are the same as Example 1.
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