The ceramic cross diaphragm ring packing is developed based on increasing the specific surface area of the packing, thereby enhancing the mass transfer efficiency. Its shape is to add a cross partition in the middle of the Raschig ring. Generally speaking, due to its large size, this kind of packing is only suitable for overall stacking. At present, it is generally only used as a tower bottom support distribution layer for random packing. The cross diaphragm ring of φ 80-150mm specification can be used as supporting material, the porosity is greater than 60%, and the number is the integral number.

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