The utility model relates to the technical field of
sewage treatment, in particular to a
sewage treatment
compressed air conveying device which comprises a main air conveying
pipe, first air inlet assemblies are arranged at the two ends of one side of the main air conveying
pipe, and each first air inlet
assembly comprises first air inlet pipes arranged at the two ends of one side of the main air conveying
pipe. A first flow meter is arranged on the outer side of the first air inlet pipe in a sleeving mode, a first
butterfly valve is fixed to one end of the first air inlet pipe through a
flange, a connecting pipe is arranged at one end of the first
butterfly valve, and a
barrel body is fixed between the connecting pipe and the first
butterfly valve through a
flange; gas blown out by the
air blower is conveyed into the main gas conveying pipe through the second gas inlet pipe and then conveyed into the
aeration tank, the comprehensive adjusting tank and other tank bodies,
compressed air is conveyed into the main gas conveying pipe through the first gas inlet pipe and then conveyed into the
aeration tank, the comprehensive adjusting tank and other tank bodies, and the gas using requirements of the
aeration tank, the comprehensive adjusting tank and other tank bodies are met; and
compressed air is introduced into the tank body to replace an
air blower, so that the maximum performance of the
air compressor can be exerted.