Purification system for preparation of bromo-pyrrole nitrile
By using the combination of two sets of temperature control structures from outside to inside and from inside to outside in the purification system of brominated pyrrolidnitrile, the problem of low temperature control efficiency in the kettle materials in the prior art is solved, and the rapid and precise temperature control and crystallization efficiency of the materials in the kettle are achieved.
CN222872186UActive Publication Date: 2025-05-16LANZHOU ZHAOFENG CHEMICAL TECHNOLOGY CO LTD
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Patent Information
- Application Number
- CN202421761797.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-24
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-07-24
AI Technical Summary
Technical Problem
In the prior art, during the purification process of brominated pyrrolidnitrile, it is difficult to achieve rapid and precise temperature control of the materials in the kettle, resulting in low heating and cooling and crystallization efficiency.
Method used
The combination of two temperature control structures from outside to inside and from inside to outside is achieved by accurately controlling the material temperature in the purified kettle through jacket and stirring mechanism.
Benefits of technology
The efficiency of heating and cooling and crystallization of materials in the kettle is significantly improved, and the precise control of material temperature in the kettle is achieved.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN222872186U_ABST
Abstract
The purification system comprises a purification kettle, a stirring mechanism is arranged in the purification kettle, and a jacket is arranged outside the purification kettle; the stirring mechanism comprises a hollow rotating shaft arranged in the vertical direction, a sleeve is installed on a main body of the hollow rotating shaft, the two ends of the sleeve are fixedly connected with the hollow rotating shaft, and a clamping cavity is formed between the outer wall of the hollow rotating shaft and the inner wall of the sleeve; the bottom end of the hollow rotating shaft is fixedly connected with the middle of the U-shaped paddle, the U-shaped paddle is of a hollow structure, and the hollow rotating shaft is communicated with an inner cavity of the U-shaped paddle; the left side and the right side of the bottom end of the sleeve are connected with transverse blades, the transverse blades are of hollow structures, and the sleeve communicates with inner cavities of the transverse blades; and the opposite outer ends of the transverse blades are connected with the U-shaped blades, and the inner cavities of the transverse blades are communicated with each other. According to the utility model, the two sets of temperature control structures are matched from outside to inside and from inside to outside, so that the temperature of materials in the purification kettle is accurately controlled, and the heating and cooling crystallization efficiency of the materials in the kettle is improved.
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