横梁

Cross bars are horizontal structural members within ammonia synthesis catalyst bed support grids that provide mechanical support to catalyst particles, prevent bed compaction, ensure uniform gas flow distribution, and maintain structural integrity under high-pressure, high-temperature operating conditions in ammonia synthesis reactors.

Cross bars function as load-bearing elements that transfer mechanical loads from the catalyst bed to the reactor structure while creating open channels for reactant gas flow. They prevent catalyst particle migration, minimize pressure drop across the bed, and maintain uniform void fraction distribution through precise geometric arrangement and spacing.