Methanol synthesis process tail gas recovery system
The utility model discloses a tail gas recovery system for a methanol synthesis process. The system comprises a recovery treatment system, an old hydrogen tail gas recovery pipeline, a connection recovery system and an exhaust gas recovery system, the recovery treatment system comprises at least fou...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a tail gas recovery system for a methanol synthesis process. The system comprises a recovery treatment system, an old hydrogen tail gas recovery pipeline, a connection recovery system and an exhaust gas recovery system, the recovery treatment system comprises at least four hydrogen recovery membrane groups, a hydrogen-rich hydrogen removal compressor pipeline, a tail gas defueling pipeline and a new hydrogen recovery membrane pipeline; wherein one end of each hydrogen recovery membrane group is connected with a hydrogen-rich hydrogen removal compressor pipeline, theother end of each hydrogen recovery membrane group is connected with a tail gas fuel removal pipeline, a new hydrogen recovery membrane pipeline is connected with each hydrogen recovery membrane group, and a series pipeline is arranged between a membrane group A and a membrane group B in each hydrogen recovery membrane group; the old hydrogen tail gas recovery pipeline is connected with the connection recovery system; th |
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