Rectifying kettle with good thermal insulation performance for silane polymer production

The utility model discloses a rectifying still for silane polymer production with good thermal insulation performance, which belongs to the technical field of silane polymer processing equipment and comprises a base and a still body, the still body is fixedly mounted on the upper surface of the base, a thermal insulation barrel is fixedly mounted on the upper surface of the base and positioned on the outer side of the still body, and the still body is positioned inside the thermal insulation barrel. The upper surface of the base is located on the outer side of the heat preservation barrel, heat preservation plates are evenly clamped to the upper surface of the base and located on the outer side of the heat preservation barrel, supporting legs are evenly and fixedly installed on the lower surface of the base, and the heat preservation effect on the kettle body is improved by installing the heat preservation barrel, the water cavity and the vacuum cavity and utilizing raw materials with large specific heat capa