catalyst bed

基本解释

Usually a pipe, known as a dip leg, is connected to this bottom outlet and, in catalytic cracking, serves to convey the solids back to the catalyst bed.
一般有一个通称为料腿的管子与此底部出口相连，在催化裂化中用此料腿将固体送回到催化剂床层。
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The method of the invention is that: inert fillers without the influence on the reaction are arranged at the bottom parts of each catalyst bed layer of a reactor.
本发明方法为：在反应器每个催化剂床层的底部装入对反应没有影响的惰性填料。
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During activity stabilization state of residue hydrotreating catalyst, distillate containing sulfiding agent was fed into the catalyst bed so as to enhance sulfur content in the hydrogen recycle.
在渣油加氢处理催化剂的稳态失活阶段，将含有硫化剂的馏份油送入催化剂床层，以提高循环氢中的硫含量。