The utility model relates to the technical field of heating and cooling devices, and discloses a feed liquid heating and filtering jacketed kettle. The novel jacketed pan comprises a bracket and a jacketed pan, the jacketed pan comprises an inner pan body and an outer pan body; a closed cavity interlayer is formed between the inner pot body and the outer pot body; a steam inlet pipe and a steam outlet pipe which are communicated with the cavity interlayer are arranged on the outer pot body; a discharge hole communicated with the bottom of the inner pot body is formed in the bottom of the outerpot body; a discharging pipe is arranged on the discharging port, a discharging valve is arranged at the lower end of the discharging pipe, a stirring device is arranged above the jacketed kettle, afiltering device is arranged below the discharging pipe, the filtering device comprises a tank body and a filtering net arranged on the lower portion in the tank body, the filtering net is arc-shaped,the arc-shaped protrusion faces the bottom of the tank body, and a feed liquid outlet is formed in the bottom of the tank body. The jacketed kettle has good heating and filtering effects.