A kind of anticorrosion reaction kettle for 4-trifluoromethylnicotinic acid synthesis

Abstract

The utility model relates to the technical field of reaction kettle and disclose a kind of anticorrosion reaction kettle for 4-trifluoromethyl nicotinic acid synthesis, including lower kettle body and upper kettle body, inner container is provided in lower kettle body inside, and inner container top end is fixedly connected with along mouth ring, and along mouth ring outer ring side is fixedly connected with sealing gasket, and the outer wall of inner container is fixedly connected with several fixed threads and positive magnetic thread ring block respectively, and inner tube body, which is connected with discharge pipe, is embedded in the middle of inner container bottom end, and the kettle wall of lower kettle body is penetrated with several three thread rods corresponding with fixed thread, and the outer wall of lower kettle body is fixedly connected with negative magnetic thread ring block corresponding with positive magnetic thread ring block, and the outer end of negative magnetic thread ring block is provided with protective sleeve frame installed on the outer wall of lower kettle body, and the utility model is fixed thread and positive magnetic thread ring block alternate cooperation lower kettle body thread groove for inner container, and it is installed with quick positioning by magnetic attraction, reduce shaking, improve installation efficiency.

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