A defoaming system sprays for sewage treatment

The utility model discloses a defoaming system sprays for sewage treatment, including the reaction tank, spray the defoaming device and be used for control to spray the controller of defoaming device work, the reaction tank is equipped with the infrared determine module who is used for detecting foam height in the reaction tank, and infrared determine module includes infrared emitter and infrared receiver, and infrared emitter and infrared receiver divide the upper end opening both sides of locating the reaction tank, and infrared receiver is continuous with the controller the utility model has the advantages of convenient to use, job stabilization is reliable, can reduce artifical intensity of labour, practices thrift manufacturing cost.