The invention discloses an automatic cleaning device for a
sewage treatment
plant floating-flow type secondary
sedimentation tank
effluent weir. The device is characterized in that a
machine shell isfixedly installed on a sliding table, a first
ultraviolet lamp tube is fixedly mounted in a mounting hole, close to the right side surface, in the
machine shell, a rear flushing spray head is fixedlymounted in a mounting hole in the rear side surface of the
machine shell, a front rotating arm is arranged on the machine shell, a front
brush motor is mounted on the front rotating arm, a front brushis mounted on the output shaft of the front
brush motor, a rear rotating arm is arranged on the machine shell, a rear
brush motor is installed on the rear rotating arm, a rear brush is installed on the output shaft of the rear brush motor, a front flushing spray head is installed in an installation hole in the front side surface of the machine shell, a second
ultraviolet lamp tube is fixedly installed in an installation hole, close to the left side surface, in the machine shell, and the two ends of a third
ultraviolet lamp tube are installed on the front side surface and the rear side surfacein the machine shell respectively. The automatic cleaning device is simple in structure, high in cleaning efficiency and good in cleaning effect, and greatly reduces the labor intensity of operators.