Coastal shellfish waste grinding device, waste treating device and waste treating method

The invention provides a coastal shellfish waste grinding device, a waste treating device and a waste treating method, and relates to the technical field of waste treatment. The coastal shellfish waste grinding device comprises a machine frame, a tide blade, a first connection rod, a grinding part and a grinding box, the tide blade is in sliding connection with the machine frame, the grinding boxis connected to the end, away from the tide blade, of the machine frame, the grinding part is in inserted connection with the grinding box and hinged to the grinding box, one end of the first connection rod is hinged to the tide blade, the other end of the first connection rod is hinged to the grinding part, the included angle between the extension direction of the grinding part and that of the first connection rod is larger than 0 degree, and the hinged axes of the first connection rod and the grinding box on the grinding part are arranged in a spaced mode. By means of the coastal shellfish waste grinding device, the