Mist deodorization ammonia nitrogen collection and utilization system

The invention relates to the technical field of fermentation waste gas treatment, and discloses a mist deodorization ammonia nitrogen collection and utilization system which comprises an excrement fermentation tank, an aeration head is arranged in the excrement fermentation tank, a sealing cover is arranged above the excrement fermentation tank, a gas outlet pipe is connected to the sealing cover, and a gas extractor and a gas-liquid mixing mechanism are sequentially connected to the gas outlet pipe in the gas outlet direction. A water inlet pipe is arranged on the gas-liquid mixing mechanism, the water inlet pipe is sequentially connected with a reservoir and a mist sprayer in the water inlet direction, a water outlet pipe is arranged on the gas-liquid mixing mechanism, and the water outlet pipe is divided into two paths to be connected with the irrigation mechanism and the reservoir respectively. Compared with the prior art, the device has the following advantages and effects that ammonia gas generated in t