Stainless steel disc bore flow type liquid distributor is one of the commonly used liquid distributors, which is to open the liquid hole and riser pipe in the bottom plate, the gas rises from the riser pipe, and the liquid flows down from the small hole. The chassis is fixed to the tower ring, and the fixing method is the same as that of the tower plate. According to the type of packing in the column and the requirements of the separated material system, the arrangement and number of holes should be appropriate.