通过对氯化苄（C7H7Cl）及类似体系物料的分离 过程中精馏塔设备及内件材质的分析与选择，论述了设备及内件本身的制造工艺、成本、安 装及维修等方面的问题，提出了在高腐蚀性介质条件下精馏塔，特别是塔内件的选用方法.
This paper makes an analysis and selection materials for the equipments and inner components for the separating process of the recti fication to wer of the Benzyl chloride system.Some problems such as the manufacture process, cost,fitting and maintenance of the rectification tower and inner components wer e also discussed and finally a method to select what kind of material should be used in such serious corrosive environment in the rectification tower was propos ed.
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