Device for preparing sodium aluminate refined solution by redissolving aluminum hydroxide

The utility model relates to a device for preparing a sodium aluminate refined solution by redissolving aluminum hydroxide, which comprises an aluminum hydroxide dissolving tank, a liquid caustic soda storage tank and a blending tank, a liquid outlet pipe is arranged at the bottom of the liquid caustic soda storage tank and is connected with a delivery pump, an outlet of the delivery pump is connected with the upper part of the aluminum hydroxide dissolving tank, a stirring shaft is arranged in the aluminum hydroxide dissolving tank, and the stirring shaft is connected with the blending tank. The stirring shaft is connected with a stirrer I, a spiral steam coil pipe is arranged on the outer side of the stirrer I, a liquid discharge pipe communicated with the blending tank is arranged at the bottom of the aluminum hydroxide dissolving tank, a feeding hole is formed in the top of the aluminum hydroxide dissolving tank, a liquid discharge pipe is arranged at the bottom of the blending tank, and a cooling coil pi