restructuring
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Why doesn’t the reforming cycle hydrogen compressor have an anti-surge line?
If the inlet pressure is low or the gas flow rate is low, simply reducing the speed will suffice
For the circulator, all the outlets are connected back to the inlet; under normal conditions there is no risk of surge, so it’s not necessary to install any safeguards
Since reformation generates a large amount of hydrogen, the recycle hydrogen compressor and the hydrogen export compressor share the same inlet. Unless too much hydrogen is drawn off, or the amount of hydrogen to be exported remains constant but the inlet temperature of the gas-liquid separation tank drops significantly, causing the purity of the recycle hydrogen to decline rapidly; in such cases, surge in the recycle hydrogen compressor can occur.