The utility model discloses a double
aeration sewage treatment device of promoting RPIR
denitrification effect, including base, the
pool body is fixed on the base, and the top of
pool body is opened with the sliding slot, and the inside fixed mounting of sliding slot has the support mechanism, and one end of support mechanism is fixed with the sliding block, and one end of sliding block is fixed with motor base, and the fixed mounting of
drive motor is installed on the motor base, and the stirring subassembly is installed on
drive motor, and the support
pipe is welded on the base, and the inside movable mounting of support
pipe has the limit stop, and the limit stop is installed in the inside of support
pipe through the elastic spring, and the movable mounting of limit stop is installed on the limit stop, and one end of limit stop is welded on the motor base. The utility model discloses, through the gas of
aeration disc
discharge, under the stirring of stirring subassembly, push to the
sewage in each position, and stirring subassembly realizes the
sewage stirring of completion secondary sewage
aeration treatment to sewage, and effectively makes the sewage in different positions and carries out uniform aeration.