Abstract: Gas-liquid distributor is an important internal component of fixed bed hydrogenation reactors. Performance of tubular distributors was simulated using Euler multiphase model and RNG turbulence model. Three types of tubular distributors were studied and each distributor with broken flow plate or not was compared. The results showed that the distribution performance of the distributor is improved significantly after adding the broken flow plate. However, the pressure drop of the distributor is increased. The distribution performance of the inclined pipe distributor with a broken flow plate and cross arrangement of side hole with 90o is the best. The broken flow plate greatly reduces the influence of the way the gas entering the distributor and the arrangement of overflow hole on distribution performance.

Key words: gas-liquid distributor, numerical simulation, broken flow plate, distribution performance