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Vacuum system in alcohol distillation application

Vacuum system is one of the widely used equipments in chemical production. In ethanol distillation, the running cost of ethanol distillation is reduced by vacuum system to save energy and reduce consumption.


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What is distillation equipment?


"Distillation equipment" is a separation technology under high vacuum conditions, with low distillation temperature, high vacuum system, material heating time is short, high degree of separation characteristics; and the separation process is irreversible, no boiling bubbling phenomenon. It is very suitable for separating substances with high boiling point, heat sensitivity and easily oxidized. It has been widely used in vitamins and extracting active ingredients of Chinese herbal medicine, petrochemical industry, food industry, cosmetics industry and agriculture.

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vacuum system in alcohol distillation application characteristics:


1. energy saving. Adopt high efficiency and low resistance plate type, reduce the temperature of the kettle, appropriate reflux, set up the distillation process of reasonable utilization of all levels of energy; try to use instrument control or microcomputer automatic control system to make the equipment in a better load state.


2. high production intensity. The relationship between Vapor-Liquid Ratio should be paid more attention to in order to increase the vapor-liquid flux per unit tower section, especially in the design of mash tower. One of the ways to make the equipment more compact, production strength and treatment capacity improved, the old tower calibration was replaced by the high efficiency tray.


3. good drainage performance. While minimizing the fiber content in the mature mash, the equipment should also be considered to adapt to the distillation of fermentation broth containing solids, greatly reducing the number of stop-production tower cleaning.


4. Fully consider the amplification effect of the tower. Especially for the tower equipment with an annual output of more than 15000 tons, since the diameter of the tower is more than 1.5 meters, active and advanced measures should be taken to reduce the reduction of separation efficiency.


5. the structure is simple and the cost is reduced. The new tray with simple tray structure and high efficiency is selected under the condition of process conditions.


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