Urban sewage pollution discharging and deodorizing device

The utility model relates to the technical field of the discharge and gestion of municipal sewage, in particular to a pollution discharge and deodorization device of municipal foul water gap. The utility model solves the problems of polluting surrounding environment, influencing sound mind and body of people, etc., and the problems are caused because ill scent is produced from a sewer or a sewage well and mosquito, flies, etc. are easy to run out in the discharge process of the municipal sewage. The utility model comprises a foul water passage; a drain board is arranged below the inner part of the foul water passage, which forms a slope shape. The side wall of the foul water passage corresponding to the drain board is hinged with a manger board, and the edge of the manger board is contacted with the drain board. The manger board, the drain board and the foul water passage form a seal chamber. When the inner part of the foul water passage is provided with two drain boards, the upper edges of the drain boards a