Efficient reduction system for algae source peculiar smell substances in water body

The invention provides an efficient reduction system for algae-derived odorous substances in water, which is applicable to the technical field of treatment of algae-derived odorous substances in water. The peculiar smell collecting and reducing assembly comprises a peculiar smell collecting plate, a side peculiar smell centralizing piece and a bottom bag peculiar smell collecting piece, and the peculiar smell collecting plate is assembled above the algae salvaging assembly and used for collecting peculiar smell in the algae salvaging process; the two rows of side peculiar smell concentration pieces are symmetrically distributed on the two sides of the peculiar smell collection plate and used for blowing peculiar smell to the middle from the salvage edge in the algae salvage process. The bottom-carrying peculiar smell collecting part is additionally arranged on the peculiar smell collecting plate between the two rows of side peculiar smell collecting parts and is used for carrying out bottom-carrying peculiar