Marine micro-plastic trawl net collecting device

The utility model relates to a marine micro-plastic trawl collecting device which comprises an upper water inlet frame device, a middle filter screen device and a bottom sample containing tank device.In order to enhance the reliability and originality of research results, a'parallel 'design is added, double samples can be collected in each operation, meanwhile, a flushing device is arranged in the device, clean water is matched with vibration, a target object adhered to a filter screen can be eluted, and the collection efficiency is greatly improved. The device is particularly designed for micro-plastic collection, and is also suitable for ocean research and river, lake and reservoir research. The device is simple in structure, easy to operate, firm, durable, portable, affordable and easyto apply and popularize widely.