一种2-溴七氟丙烷制备方法
By using a static mixer made entirely of silicon carbide, a multi-stage tubular reactor, and a quencher, combined with segmented heating and rapid quenching using a PID controller, the problems of metal corrosion and side reactions were solved, achieving efficient preparation of 2-bromoheptafluoropropane and improving conversion rate and product quality.
CN122404098APending Publication Date: 2026-07-17SHANDONG HAIHUA GRP CO LTD +1
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- SHANDONG HAIHUA GRP CO LTD
- Filing Date
- 2026-06-17
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
In the existing technology, the preparation process of 2-bromoheptafluoropropane has problems such as metal corrosion, poor thermal conductivity, low reaction conversion rate and many side reactions, which affect product quality and cost.
Method used
The system employs a static mixer made entirely of silicon carbide, a multi-stage tubular reactor, and a quencher, combined with a PID controller for segmented heating and rapid quenching, ensuring uniform and selective reaction temperatures and preventing metal corrosion and side reactions.
Benefits of technology
It significantly improved the reaction conversion rate of 2-bromoheptafluoropropane to over 85%, thereby improving product quality and reducing production costs.
✦ Generated by Eureka AI based on patent content.
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Figure CN122404098A_ABST
Abstract
本发明属于含氟精细化工合成技术领域，具体涉及一种2‑溴七氟丙烷制备方法，将液态七氟丙烷和液溴加热汽化，送入静态混合器混合后送入管式反应器中加热进行溴化反应，反应器包括依次连接的预热段和4个反应段，所述预热段温度控制300‑350℃，按物料走向，4个反应段的反应器中心温度依次控制在500‑505℃、500‑505℃、495‑500℃、490‑495℃；将反应后的混合气送入急冷器降温后，再进行除氟、水洗、碱洗、脱水、冷凝分离，得到高纯度2‑溴七氟丙烷。本发明通过全碳化硅材质容器、多段智能分区加热、快速急冷集成，显著提升反应转化率、运行稳定性，最终提升了产品质量，降低了生产成本。
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