Anti-polymerization system and process for NVP production
The invention discloses an anti-polymerization system and process for NVP production, and relates to the technical field of NVP synthesis, the anti-polymerization system adopts the technical scheme that the anti-polymerization system comprises an etherification reactor, a degassing tank and a convey...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention discloses an anti-polymerization system and process for NVP production, and relates to the technical field of NVP synthesis, the anti-polymerization system adopts the technical scheme that the anti-polymerization system comprises an etherification reactor, a degassing tank and a conveying pipeline connected between the etherification reactor and the degassing tank, the degassing tank is provided with a defoaming net, and the anti-polymerization system further comprises a cooling system, the cooling system comprises a cooling device arranged on the conveying pipeline; according to the technical scheme adopted by the anti-polymerization process, the anti-polymerization process comprises the following steps: S1, synthesizing NVP; S2, cooling and carrying out water-liquid separation; and S3, recycling acetylene-propane mixed gas, and carrying out rectification and purification. According to the present invention, the polymerization reaction forming speed of the NVP attached to the defoaming net is s |
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