| abstract |
The utility model provides a benzene hydrogenation catalyst intermittent type regeneration system, including the aeration jar with boil the jar, the upper portion intercommunication of aeration jar remains regenerated catalyst thick liquid input pipeline, the aeration jar with boil and be linked together through regeneration back catalyst thick liquid pipeline between the jar, the bottom of boiling the jar is through one boil back catalyst thick liquid pipeline intercommunication to the reactor, be equipped with first heating coil in the aeration jar, first heating coil is used for letting in the oil content of steam in order to heat the detached catalyst thick liquid, it is equipped with second heating coil to boil the jar, second heating coil is used for letting in the steam in order to boil regeneration back catalyst thick liquid, the parallelly connected cooling water pipeline that is equipped with of entrance of second heating coil, the parallelly connected cooling water output pipeline that is equipped with in exit of second heating coil. The utility model discloses when can realizing equal regeneration effect, retrench the structure of each link of regeneration, reduced the loss of catalyst. |