Belt type dewatering machine's scraper device for sewage treatment

The utility model discloses a belt type dewatering machine's scraper device for sewage treatment belongs to the sewage treatment device field, including link, scraping knife main body and shunt tubes,the link is connected with the frame, the inside fixation bolt that is provided with of link, be provided with the air pressurization device in the middle of the link, install the air duct on the airpressurization device, the frame side is provided with the inscription board, the frame below is provided with scraping knife main body, the air pressurization device passes through shunt tubes and jet -propelled pipe intercommunication, the air pressurization device comprises waterproof terminal, motor, shaft coupling, force (forcing) pump, intake pipe and blast pipe, waterproof terminal settingis in head of an electric machine, the motor passes through the shaft coupling with the force (forcing) pump is connected. The utility model discloses can scrape get the bottom of the pool in, flow through highly -compressed a