Simulation of Cotton Micella Evaporation in Tubular Apparatus With An Rising Film Of Liquid

A mathematical model of the statics of the preliminary distillation of cottonseed oil miscella in tubular apparatuses with an ascending liquid film is proposed. It facilitates the design of apparatuses with an optimal heating surface and the identification of their effective operating modes based on an analysis of the temperature and miscella concentration distribution along the height of the tube bundle. Selected results of a study of the statics of cottonseed oil miscella evaporation in a tubular evaporator of the Extraction Technician extraction unit of Gulistan Extract-Yog JSC are presented. It was found that, at a miscella flow rate of Gо = 3,31 t/h, to achieve the required outlet concentration аex ≥ 95 % at temperatures tex ≤ 110-115 ℃, 76÷84 m2 of the active heat-transfer surface of the apparatus is required. To increase the efficiency of the device, it is recommended to increase the miscella consumption by 13÷24 % in accordance with the identified heating surface reserve (24 m2).

Oil, miscella, distillation

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