Flue gas control system for collaborative incineration of household garbage and sludge

The invention relates to the technical field of waste gas treatment, and discloses a flue gas control system for collaborative incineration of household garbage and sludge, which comprises an incinerator, a sludge conveying device, an auxiliary combustion device, a flue gas purification device, a temperature sensor, a first flue gas online monitor and a controller, the sludge conveying device, the auxiliary combustion device, the temperature sensor and the first flue gas online monitor are electrically connected with the controller respectively. According to the flue gas control system for cooperative incineration of the household garbage and the sludge, the feeding frequency of the sludge conveying device and the using amount of combustion-supporting gas (such as natural gas) provided by the auxiliary combustion device are adjusted by monitoring the incineration conditions, flue gas components, the content of particulate matter in flue gas and the like in real time, so that the optimal combustion condition i