Thermal-insulation device for pravastatin crystallization solution sample bottle

The utility model discloses a thermal-insulation device for a pravastatin crystallization solution sample bottle. The device comprises a kettle body, a sample bottle clamp and a thermometer, wherein the kettle body is used for accommodating the crystallization solution sample bottle; the sample bottle clamp is mounted in the kettle body; the thermometer is inserted in the kettle body; the sample bottle clamp is mounted and fixed at the bottom of the kettle body and comprises a main body part, a plurality of elastic pieces and an elastic component, the main body part is fixed with the kettle body, the plurality of elastic pieces are integrally formed with the main body part, formed by upward bending, connected together through the elastic component and evenly distributed around the main body part, and the main body part and the plurality of elastic pieces constitute a fixing space for fixing the crystallization solution sample bottle; an elastic clip which is close to the upper end of the kettle body and used