The aeration head is an important process link in the biological nitrogen and phosphorus removal of industrial wastewater, and it is also a process link with relatively high operating costs in the biological nitrogen and phosphorus removal of sewage. The main function of the aeration device is to transfer the oxygen in the air to the mixed liquid to be used by the microorganisms, to provide the required dissolved oxygen for the activated sludge microorganisms, to ensure the oxygen demand in the metabolic process of the microorganisms, and to mix and The use of stirring, aeration can make the sludge in the aeration tank suspended, so that the organic matter, activated sludge and dissolved oxygen in the sewage are uniformly mixed, and the degradation efficiency of activated sludge is increased. Tube type microporous membrane Microporous aeration plate. The construction method of this aeration pipe is basically the same as the previous one, but its own structure is quite different. It is made of a pipe made of ABS or UPVC as the air pipe. Ventilation holes are opened on the top, and the outer circumference of the air pipe is covered with a diaphragm made of synthetic rubber, and the diaphragm is fixed on the pipe by a metal clip.

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