The present invention belongs to the field of chemical processing equipment, relates to a reaction kettle, and in particular to an energy-saving efficient reaction kettle. The energy-saving efficient reaction kettle comprises a kettle body with a cavity and a stirring shaft arranged in the kettle body. The stirring shaft penetrates the top of the kettle body, the top of the stirring shaft is connected with a stirring motor, and the top of the kettle body is also provided with feeding pipes. Stirring rods are installed on the stirring shaft in a sleeving mode and staggered on the stirring shaft. The stirring rods each comprise a stirring rod body with a side shadow in an arc shape and reinforcing ribs for reinforcing the stirring rod body, and the reinforcing ribs each are in an L shape and are arranged on the back of the stirring rod. Compared with the prior art, the present invention has the advantages and positive effects that according to present invention, the mixing effect is achieved by setting different stirring modes on the stirring shaft, so the problem that for mixing, devices are added to a conventional reaction kettle, so that the reaction kettle is complex in structure is solved, energy consumption is reduced, and the objective of energy saving is achieved.
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