Compared with perforated pipe distributor, perforated weir-riser distributor has smaller wall flow, bigger operation elasticity and simpler structure, it is easy to install.
A packed bed of granular material sandwiched by two perforated plates, is a good distributor.
两块孔板中间填有一层颗粒物料，是一种很好的分布板。
3
The design program has been introduced with a perforated plate distributor in a molecular sieve adsorber of a small scale air separation unit as an example.