| abstract |
New calcium carbonate device is efficiently prepared based on shell the utility model discloses a kind of.The device includes shell cleaning machine, calcining furnace, heat recovery stove, pulverizer and calcium carbonate reaction device；Material passes through from shell cleaning machine, calcining furnace, heat recovery stove, pulverizer and calcium carbonate reaction device successively.The present apparatus can carry out effective prerinse to shell, reduce calcium carbonate lmpurities content, and the heat after calcining is recycled, and capacity usage ratio is high, in addition, the present apparatus also has, discharging is simple, conveniently, efficiently, the advantages that manual operation load is few. |