Basic magnesium carbonate purification and winnowing complete equipment

The invention discloses basic magnesium carbonate purification and winnowing complete equipment which comprises a negative pressure conveying device, the negative pressure conveying device is connected with a buffer bin, the buffer bin is connected with an air flow screen, the air flow screen is connected with a cyclone separator, a lower outlet of the cyclone separator is connected with a finished product bin, and an upper outlet of the cyclone separator is connected with a bag-type dust collector. The bag-type dust collector is connected with an induced draft fan, and the negative pressure conveying device is connected with an air pump. Compared with the prior art, the method has the beneficial effects that impurities in magnesium carbonate material packages can be effectively removed, magnesium carbonate products with different stacking densities can be screened by setting parameters, the material loss is small, and the efficiency is high. 本发明公开一种碱式碳酸镁提纯、风选成套设备，包括负压输送装置，负压输送装置连接有缓冲料仓，缓冲料仓连接有风流筛，风流筛连接有旋风分离器