Hydrogenation device for inhibiting generation of methylbutanediol

The utility model discloses a hydrogenation device for inhibiting the generation of methylbutanediol. The hydrogenation device comprises a first-stage hydrogenation reactor, a catalyst filtering system, a dealcoholization tower, a condenser, a reflux tank, a reflux pump, a thermosyphon reboiler, a tower kettle pump, a second-stage hydrogenation reactor, a circulating pump and a cooler. According to the utility model, the content of methyl substances possibly generated in a system is reduced from the source, meanwhile, a high-pressure hydrogenation reaction system is optimized, the process is reasonable, the content of methylbutanediol in a BDO aqueous solution produced by high-pressure hydrogenation can be effectively reduced, the content of methylbutanediol in a BDO product produced by a rectification device is further reduced, and the product purity is improved. 本实用新型公开了一种抑制甲基丁二醇生成的加氢装置，包括一段加氢反应器，催化剂过滤系统，脱醇塔，冷凝器，回流罐，回流泵，热虹吸再沸器，塔釜泵，二段加氢反应器，循环泵，冷却器。本实用新型从源头降低了体系中可能生成甲基物质的含量，同时优化高压加氢反应体系，流程合理，能有效降低高压加氢产出的BDO水溶