Defoaming device for polycarboxylate superplasticizer monomer production

The utility model relates to the field of reaction kettles, and discloses a defoaming device for polycarboxylate superplasticizer monomer production, which comprises a kettle component and an adjusting component, the kettle component comprises a reaction kettle, the top end of the reaction kettle is connected with a kettle cover, the center position of the kettle cover is connected with a vertical shaft rod through a bearing in a penetrating manner, and the bottom end of the shaft rod is connected with a disc; the bottom end of the disc is connected with a stirring rod; a driving mechanism for driving the shaft rod to rotate is arranged at the top end of the kettle cover; the adjusting component comprises vertical plates symmetrically arranged on the two sides of the reaction kettle, a vertical sliding groove is formed in the inner side of each vertical plate, a top frame with the bottom end connected with the top end of the shaft rod through a bearing seat is connected between the two vertical plates in a cl