Olefin polymerization device and olefin polymerization method

一种烯烃聚合装置和烯烃聚合的方法

Abstract

本发明提供了一种烯烃聚合装置,该装置包括反应器、循环气换热器、气液分离罐以及除粉末和雾沫的装置,该除粉末和雾沫的装置位于反应器和气液分离罐之间,除粉末和雾沫的装置包括第一开口和第二开口,第一开口与循环气换热器连通,第二开口与反应器直接连通,或者与气液分离罐的液相出口连通,第一开口用于排出气相,第二开口用于排出液固相。本发明还提供了采用所述烯烃聚合装置进行烯烃聚合的方法。在本发明提供的烯烃聚合装置中,通过在所述反应器和所述循环气换热器之间设置除粉末和雾沫的装置,从而能够捕集来自所述反应器的循环气体中的粉末和雾沫,进而提高了烯烃聚合装置的运行稳定性。
The invention provides an olefin polymerization device, which comprises a reactor, a recycle gas heat exchanger, a gas-liquid separation tank and a device for removing powder and entrainment, wherein the device for removing powder and entrainment is positioned between the reactor and the gas-liquid separation tank, and comprises a first opening and a second opening; the first opening is communicated with the recycle gas heat exchanger; the second opening is directly communicated with the reactor or is communicated with the liquid phase outlet of the gas-liquid separation tank; the first opening is used for discharging a gas phase; and the second opening is used for discharging a liquid phase and a solid phase. The invention also provides a method for polymerizing olefins by using the olefin polymerization device. In the olefin polymerization device, the device for removing powder and entrainment is arranged between the reactor and the gas-liquid separation tank, so that powder and entrainment in recycle gas of the reactor can be captured; therefore, the operating stability of the olefin polymerization device is improved.

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