Low-loss brick unloading device and method for old brick wall

According to the low-loss brick unloading device and method for the old brick wall, the problem that the recycling rate is low in an existing brick separation method is solved, the low-loss brick unloading device comprises a working platform and a high-pressure water flushing device, and the working platform comprises a bottom plate and a combined baffle which is vertically arranged and surrounds the bottom plate; a running track of the high-pressure water flushing device is installed at the top of the combined baffle, the supporting frame is erected at the top of the running track and slides in the length extending direction of the running track, the high-pressure water gun and the scanning camera terminal are detachably connected to the bottom of the base, and the top of the base is buckled to the sliding rail and can slide along the sliding rail. And the driving device for supporting the frame body and the base, the scanning camera terminal and the high-pressure water gun are all in signal connection with