The utility model discloses a spherical hydrochloric acid reation kettle, including components such as the cauldron body, kettle cover, support, heating device, elevating gear, drive arrangement. Be equipped with manometer, thermometer on the kettle cover and advance the discharge gate, cauldron body both ends are equipped with the pivot and link to each other with drive arrangement through the bearing, on the support of drive arrangement as for the pillar side, heating device is located cauldron body below and places in the support, is connected with elevating gear below the support, the cauldron is personally experienced sth. Part of the body and is constituted circle spherical structure's cavity with the kettle cover, and the inside lining is able to bear or endure the material of salt acid corrosion. The utility model discloses compact structure, design benefit, through the rotatory stirring that realizes the internal material of cauldron of the cauldron body self, pulverization rate that can effectual reduction material when improving the mixing efficiency, through control cauldron trunk circling frequency can the controlled reaction material the granularity.