Concrete admixture reaction kettle

The utility model discloses a concrete admixture reaction kettle which comprises a kettle body, a stirring device, a filter screen and a flushing device, the kettle body is provided with a stirring cavity and a filter cavity, a feeding pipe is arranged at the top of the kettle body, and a discharging pipe is arranged at the bottom of the kettle body; the stirring device comprises a rotary driving part and a stirring assembly, and the rotary driving part is used for driving the stirring assembly to rotate so as to stir the concrete admixture; the filter screen is transversely arranged between the stirring cavity and the filtering cavity to separate the stirring cavity from the filtering cavity; the flushing device comprises a condensation assembly, a water collecting tank and a spraying pipe, the water collecting tank is located in the stirring cavity, the spraying pipe is arranged in the filtering cavity, the condensation assembly can condense water vapor in the stirring cavity and discharge condensed water i