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After the operation result is reformed, the hydrogen pretreatment system can recover 500kg of methyl ethyl ketone and sec-butanol liquid per day, and the liquid condensed in the compressor body is reduced to less than 50kg. The remaining small amount of uncondensed gas is treated in the hydrogen purification system, which greatly reduces the compressor. With extra load, the compressor runs smoothly. As can be seen from the compressor operation comparison data, the hydrogen outlet temperature is reduced by about 15e on average compared with the original, in which the outlet temperature is lowered by about 3e because of the lower inlet temperature, and the moisture condensation and desorption is reduced to decrease the compression temperature per stage. It is around 10e, so the main effect is the reduction of moisture. After the completion of the transformation, the compressor system operated smoothly, and the tertiary outlet temperature was stable at 105110e. The device did not fluctuate due to excessive temperature rise of the compressor.
Before the transformation of the first-level and third-level transformation of the project, the difference between the inlet temperature and the temperature rise and rise after the transformation before the transformation, the compressor works on the gas, and the gas is approximately adiabatic and the temperature rise is unavoidable. The design process has been fully considered. However, the moisture contained in the compressed gas, especially the supersaturated moisture, is condensed during the compression process due to the pressure rise and wall contact, and the release of a large amount of latent heat of vaporization is the main cause of the excessive temperature rise of the gas. The reason for raising the high should be the primary consideration. In addition, lowering the base temperature can achieve the effect of simultaneously reducing the outlet temperature.
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