Cleaning device for crystalline silicon recycled from photovoltaic cells by wet purification

A cleaning device for crystalline silicon recycled from photovoltaic cells by wet purification, comprising at least two tanks, a vacuum pump and first cleaning mechanisms arranged between the at least two tanks,

• wherein a number of the first cleaning mechanisms is the same as a number of the at least two tanks, an upper end of each of the at least two tanks is provided with a cover plate, and a lower end of each of the at least two tanks is provided with a discharge port,
• wherein the upper end of each of the at least two tanks is provided with a ventilation port, each of the first cleaning mechanisms comprises a drum, a lower end of the drum is connected with a lower hood, an upper end of the drum is connected with an upper hood, a sealing surface is arranged respectively between the drum and the lower hood and between the drum and the upper hood, evenly distributed fluid channels are arranged inside the drum, the lower hood communicates with the upper hood through the fluid channels, the lower hood communicates with the lower end of a first one of the at least two tanks through a first connecting tube, the upper hood communicates with the upper end of a second one of the at least two tanks through a second connecting tube, an inlet end of the vacuum pump is connected to the upper end of each of the at least two tanks through a third connecting tube, and a number of the third connecting tubes is the same as the number of the at least two tanks.