Reaction kettle for concrete retarder

The utility model discloses a concrete retarder reaction kettle which comprises a kettle body and a kettle cover, a stirring paddle is arranged in the kettle body, a driving device used for driving the stirring paddle to rotate is arranged on the kettle cover, an electromagnetic coil used for heating the kettle body is further arranged on the peripheral side of the kettle body, and the electromagnetic coil is fixedly connected with the kettle body. The reaction kettle has the beneficial effects that through an electromagnetic heating mode, the heating speed of the reaction kettle is effectively increased, the heating is more uniform, the heated kettle body can be subjected to heat preservation, and the operation cost of the reaction kettle is saved. 本实用新型公开了一种混凝土缓凝剂的反应釜，包括釜体与釜盖，所述釜体内设有搅拌桨，所述釜盖上设有用于驱动搅拌桨旋转的驱动装置，所述釜体周侧还设有用于加热釜体的电磁线圈，所述电磁线圈与釜体固定连接。本实用新型的有益效果：通过电磁加热的方式，有效提升了反应釜加热的速度，并且加热更加均匀，加热后的釜体还能够进行保温，节省了反应釜的运行成本。