Odor collection system of filter press and working method thereof

The invention provides an odor collection system of a filter press and a working method thereof. The filter press comprises a main machine, a vacuum system and a hot water tank. The main machine comprises a head plate, a tail plate and a plurality of filter plates arranged between the head plate and the tail plate side by side. The head plate and the tail plate are respectively equipped with headplate corner holes and tail plate corner holes, the head plate corner holes are connected to the vacuum system through a vacuum pumping pipeline, the vacuum system is connected to a deodorization system through a vacuum exhaust pipeline, the head plate corner holes are connected to the deodorization system through a first odor pipeline, and the tail plate corner holes are connected to the deodorization system through a second odor pipeline; an airtight gas collecting hood is arranged outside the main machine and is connected to the deodorization system through a third odor pipeline; an exhaustport of the hot water tan