Porous filter material supporting plate for denitrification deep-bed filter

The utility model relates to a porous filter material support plate for a denitrification deep bed filter, which comprises a plate body, an inner cavity is arranged in the plate body, a filter material is arranged in the inner cavity, through holes communicated with the inner cavity are arranged at the top and the bottom of the plate body, and fixing devices vertically penetrating through the plate body are arranged on the periphery of the top of the plate body. The fixing device comprises a barrel welded to the top of the plate body, a spring is arranged in the barrel, a pressing plate is arranged at the top of the spring, and a rotating groove is formed in the top of the pressing plate. According to the porous filter material supporting plate for the denitrification deep-bed filter, the plate body serves as a bearing layer, the filter material is placed in the plate body, the stability of the filter material can be effectively guaranteed, the problem that the filter material is disordered is solved, in addi