Shell Oil Comapny

Willem Van Vliet

Arie P Den Hartog

Maria Den Hartog-Snoeij, Legal Representative

The invention relates to a mixing device for mixing fluids in a multiple bed downflow reactor comprising:

Mixing device comprising a swirl chamber for mixing liquid

Multi-bed downflow reactor for the catalytic conversion of a liquid and/or a gas including a chamber arranged in between adjacent catalyst beds, which chamber includes a) at least one device for injecting an additional liquid and/or gas for controlling the temperature in the reactor, b) a collecting tray for receiving liquid, c) a compartment for receiving gas, d) a mixing zone for mixing liquid and gas, and e) a distribution tray comprising passages allowing liquid and gas to pass downwardly over an adjacent catalyst bed, whereby the collecting tray is arranged downstream of the device(s) for injecting the additional liquid and/or gas and comprises guiding channels directing liquid downwardly into a central part of the mixing zone, the compartment is arranged upon the collecting tray and comprises at least one passage allowing gas to pass downwardly, and the mixing zone is arranged in between the collecting tray and the distribution tray.

Growing community of inventors

The Hague, Netherlands

Willem Van Vliet