一轴四径式准全径向流氨合成反应器的氨合成方法
By designing a quasi-radial flow ammonia synthesis reactor with a single axis and four diameters, and employing a parallel flow of split reaction gases and a snap ring-type self-sealing internal component, the temperature and gas distribution of the catalyst bed were optimized, the problem of limited synthesis tower diameter was solved, and a highly efficient ammonia synthesis reaction was achieved, improving the net ammonia value and reaction efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- NANJING JUTUO CHEM TECH
- Filing Date
- 2024-01-24
- Publication Date
- 2026-07-17
AI Technical Summary
How can we optimize the design of a multi-bed reactor with a relatively small diameter, a large height-to-diameter ratio, a large catalyst loading, and a high ammonia net value under the condition of limited synthesis tower diameter, so as to improve the efficiency of ammonia synthesis reaction?
A quasi-radial flow ammonia synthesis reactor with a single axis and four diameters is adopted. The reactant gas enters the catalyst bed in parallel through a split flow. The internal components are designed with a snap ring type self-sealing. Combined with a high-efficiency heat exchanger and baffle elements, the temperature and gas distribution of the catalyst bed are optimized to achieve high-efficiency multi-bed reaction.
It increases the net ammonia content at the reactor outlet to over 21%, which is nearly 3% higher than that of a traditional three-bed, three-stage reactor. Furthermore, the catalyst bed can be maintained independently, saving on equipment investment. It is suitable for reaction gases with low inlet ammonia content.
Smart Images
Figure CN117920063B_ABST