Contaminant removal device in oxidation ditch

摘要

(57) [Summary] [Purpose] To prevent slender foreign substances flowing into the oxidation ditch from being entangled with the rod-shaped sensor. [Structure] Block the flow path R at the rectification position in the circulation flow path R of the oxidation ditch 1 in which the sensors 3, 4, 5 of various measuring devices such as the aerator 2 and the PH meter, DO meter, MLSS meter, etc. are installed. In this way, the rod-shaped screen 8 having the same or similar shape as the sensor is installed.