The utility model relates to a spices and essence production and processing equipment field provides a draw reation kettle for guaiacol, at the bottom of the cauldron body, kettle cover, cauldron, the stabilizer blade, its characterized in that: the internal portion of cauldron is equipped with the inner bag, the cauldron body and inner bag constitution intermediate layer, be equipped with the heliciform electrothermal tube in the intermediate layer, the kettle cover is equipped with motor, feed inlet, manhole, evacuation mouth, pumping liquid outlet, washing mouth, temperature display, liquid level switches, observation window. The utility model discloses an agitating unit realizes stirring extraction function, and rethread pumping liquid outlet takes upper mother liquor out to the cause for gossip is washd at present and simple acid out function through wasing, adopted temperature sensor and level sensor in addition, in time monitored to the essence in the reation kettle to under utilizing the evacuation state, heating intensification rectification is implemented to the intermediate layer electrothermal tube, moreover through ejection of compact pipeline, discharge gate, sample connection and three one way check valve's structure setting, very convenient ground sampling detects the essence quality in the reation kettle.