By spraying and coating the potassium carbonate solution onto the surface of glass spheres, the layering growth mechanism of granulating process was studied in fluidized bed.

• 通过在流化床中将碳酸钾溶液雾化后喷涂在处于流化状态的玻璃珠上,研究了流化床造粒过程的层式生长机理。