Full-automatic water surface blue-green algae collecting device

The invention relates to a full-automatic water surface blue-green algae collecting device. The full-automatic water surface blue-green algae collecting device comprises first/second brackets which are installed on the boat body in pairs; the top ends of the first/second brackets are respectively and actively connected with a driving roller; the driving roller is provided with a driving belt; a collector is fixedly connected between the first bracket; the first bracket is fixedly connected with a double-layer air hose; the double-layer air hose is located between the driving belt; the double-layer air hose is provided with inner/outer pipes with two closed ends; the inner/outer pipes are respectively provided with inner/outer air outlets; the inner pipe internally communicates with an air blower on the boat body through a connecting pipe; the boat body, in front of the second bracket, is provided with a third bracket; the top end of the third bracket is pivoted and connected with an algae scraper; the algae scraper is provided with a transmission shaft; the transmission shaft is sleeved with a carrier; and algae scraping plates are uniformly distributed on the outer circumference of the carrier. The full-automatic water surface blue-green algae collecting device is simple in structure, and capable of completely collecting the blue-green algae, and has the characters of high efficiency and good effect.