Shallow bed duolite post

The utility model provides a shallow bed duolite post, count silk screen, support grid, sealing washer, upper end cover plate, lower extreme apron and take over the mouth of pipe including cylinder, fluid distribution board, the high mesh of having packed duolite, fluid distribution board and high mesh are counted the silk screen and are supported through supporting the grid, upper end cover plateand lower extreme apron set up at the upper and lower both ends kou chu of cylinder respectively, the sealing washer sets up respectively between cylinder upper and lower both ends mouth and upper end cover plate, lower extreme apron, it has a perfect understanding the setting in upper end cover plate and lower extreme apron center department to take over the mouth of pipe. The utility model discloses beneficial effect below having: simple structure has optimized solution and has distributed in resin bed intraformational flow field, has improved the utilization ratio of intraformational reaction rate of resin bed and