Photovoltaic alkaline polishing equipment

Photovoltaic alkaline polishing equipment comprises an equipment body, a through plate passing channel is formed in the side face of the equipment body, mounting bases are arranged on the two sides of the plate passing channel, a plurality of conveying rollers are arranged between the two mounting bases in rows, a first spraying assembly is arranged above the conveying rollers, and a second spraying assembly is arranged below the conveying rollers; rotating shafts are arranged at the two ends of each conveying roller, and the two rotating shafts are rotationally connected with the two supporting seats correspondingly; a plurality of mounting grooves are formed in the two mounting seats in pairs and penetrate through the mounting seats, and openings are formed in the top surfaces of the mounting seats; the supporting seats at the two ends of the conveying roller are placed in two mounting grooves which are arranged in pairs respectively, protruding blocks are arranged on the two side walls of each mounting gro