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Utilization of thermal energy in the stripper of negative pressure evaporation system |
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DOI: |
KeyWord:stripper secondary steam utilization of thermal energy soybean plant leaching sector |
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Abstract: |
Taking the 2 500 t/d soybean plant as an example, the utilization of the secondary steam thermal energy in the stripper in leaching sector was studied. By adding 200 m2 heat exchanger, the heat exchange between the secondary steam in the stripper and the miscella oil after first evaporator was designed to increase the temperature of miscella oil from 55 ℃ to 62 ℃. It could save steam 1.98 kg/t, reduce heat load 491 952.71 kJ/h. At the same time, the vacuum of the evaporation system was more stable, which was of great significance to the production stability and economic benefits of the oil plant. |
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