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Now the mainstream in the world, there are still more disc aerators in number, but the tube type has a tendency to replace it, and it is very obvious.
Nowadays, microporous aerators are mainly used. In terms of materials, they are mainly divided into: ceramic corundum; or membrane (including disc and tube) aerators. Each has its advantages and disadvantages, but the membrane type is the mainstream. Corundum and ceramics have been used less and less abroad.
The structure of the membrane type microporous aerator is basically relatively simple. There is a support plate (or tube) inside, and then the membrane is sleeved outside, and fixed by tightening or stainless steel clamps, and it is OK. The connection between the aerator and the air supply pipeline generally has two types: threaded connection and installation connection.
The core part of the membrane aerator is the aeration membrane itself. There are two key points: punching method and material.
There are two main types of drilling: laser drilling and mechanical drilling. Laser drilling is to burn a small hole on the surface of the film through laser irradiation. The disadvantage is that the material is damaged, and the rubber around the hole is also deteriorated, and the closing performance is poor. It is basically not used abroad. Mechanical perforation uses precision tools to cut the surface of the membrane. Generally, there should be no damage to the material. In this way, the holes are opened when air is inflated, and the holes are automatically closed when there is no aeration to prevent back leakage.