Production system for preparing battery-grade sodium carbonate and food-grade baking soda by combining sodium carbonate

The utility model discloses a production system for jointly preparing battery-grade sodium carbonate and food-grade sodium bicarbonate from sodium carbonate, and relates to the technical field of methods for jointly preparing sodium carbonate and sodium bicarbonate from sodium carbonate. According to the system, a distributor is arranged at an inlet of a belt filter, a stock bin is arranged below a solid discharge port of the belt filter, a discharge port of the stock bin is connected with a beater, and the beater is connected with a dryer; a liquid outlet of the belt filter is connected with the gas-liquid separator, the gas-liquid separator is connected with the washing liquid barrel, the washing liquid barrel is connected with the alkali liquor barrel, the alkali liquor barrel is connected with the filter, the filter is connected with the carbonization alkali making tower, the carbonization alkali making tower is connected with the thickener, the thickener is connected with the centrifugal machine, and the