SEWAGE TREATMENT APPARATUS INCLUDING PERFORATED DRUM TYPE SEWAGE TREATMENT DEVICE WITH SCRAPER AND METHOD THEREOF

摘要

PURPOSE: A sewage treating apparatus including a drum perforating type scraper and a method for manufacturing the same are provided to prevent the clogging phenomenon of a perforated net by continuously clean the perforated net. CONSTITUTION: A sewage treating apparatus including a drum perforating type scraper includes a scraper type sewage treating unit(1), a precipitating and separating bath(2), a screw press(4), and a storing bath(3). The scraper type sewage treating unit includes a drum screen(12) and a scraper screw(11). The drum screen forms a perforated net which centrifuge-discharges liquid component from waste water through the scraper screw. The scraper screw compresses solid components based on torque and discharges the compressed solid components through the drum screen and cleans the drum screen.