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4, Niu system heat exchanger system
System with hydrogen addition to the main air separation unit heat exchanger, the main cold and too cold, but also including crude hydrogen condenser, the hydrogen liquefier crude, refined and refined hydrogen sister condenser evaporator heat exchanger.
4-1, crude condensation girl ship
Crude Crude N hydrogen condenser tower at the top of the tower upper part of the crude hydrogen content of hydrogen as%% of the rough cylinder gas condensate; out from under the tower at the bottom of the liquid air by cutting into the thick of hydrogen evaporating condenser. Plate is usually a core unit of the body, including the upper and lower ends of liquid air evaporation channels open, the crude hydrogen gas from the crude ammonia through the bridge tower at the top tube and head into the plate on the unit, condensing into the liquid hydrogen to flow back the top piece of the tower board in distillation. Crude hydrogen and liquid air evaporation condensation channel cross-flow or counter channel is a single stack layout.
4-2, crude girl liquefier
According to the different processes, and sometimes need to set crude hydrogen liquefier. Sperm extract hydrogen from the condenser in the liquid nitrogen into the thick part of the hydrogen liquefier to evaporation of hydrogen from the rough side of the condenser in the crude extract hydrogen part of non-condensable gas into hydrogen liquefier to re-crude condensation, the crude condensation Precision liquid hydrogen into the hydrogen tower. Plate is usually a core unit of the body, which fin sizes of liquid nitrogen evaporation channel 6. Must Yi is x1.7mmxQZ "m; crude hydrogen gas condensate channel fin sizes for the 6.35mmx2.Ommx0.2mm, crude hydrogen gas condensate channel and the evaporation of liquid nitrogen at the distribution channel as a single approach.
4-3, fine pots condenser
Shu Jing Jing hydrogen in the tower at the top of the condenser, the precision of hydrogen liquefaction tower top condensing pure hydrogen; from the main cold liquid nitrogen evaporation. Plate core body usually l units, of which the upper and lower ends of liquid nitrogen evaporation channels open, pure hydrogen from the hydrogen fine top of the tower by the bridge tube and into the plate on the head unit, condensing into the liquid hydrogen to flow back the top piece of the tower plate in distillation. Refined hydrogen evaporation of liquid nitrogen cooling channels and channel layout for the counter-current single benefit.
4-4, fine hair Shu Yan Niu
Fine fine atmosphere of hydrogen evaporator tower at the bottom of the refined atmosphere of hydrogen at the bottom of the tower evaporation, condensation from the liquid nitrogen under the tower. Plate core body usually, units, of which the upper and lower ends of liquid hydrogen evaporation channels open, refined hydrogen evaporation of liquid nitrogen cooling channels and channel layout for the counter-current single-Sheng.
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