Saline-alkali soil improvement covering immersion cleaning device and operation method thereof

The invention discloses a saline-alkali soil improvement covering immersion cleaning device which comprises a frame, an air cylinder is fixedly mounted at the bottom of the frame, a first mounting frame is fixedly connected to the output end of the air cylinder, a first crushing wheel is rotatably supported on the first mounting frame, and a second mounting frame is fixedly arranged at the bottom of the frame. A second crushing wheel is rotationally supported on the second mounting frame, and a water tank and a medicament tank are placed on the frame; the invention discloses a saline-alkali soil improvement covering immersion cleaning operation method. The saline-alkali soil shallow layer is crushed through a first crushing wheel, the crushing difficulty of a second crushing wheel can be reduced, resistance borne by the second crushing wheel during rotation is reduced, the structure of the second crushing wheel is protected, the saline-alkali soil shallow layer can be crushed more thoroughly, and permeation o