ultrasound extraction ginger equipment can utilize vacuum to shoulder proceed low temperature draw and low temperature concentrate, make working temperature to draw pot control in 60-80°C, concentrate temperature control in 50-70°C, guarantee crude drugs effective composition the distillation loss. Meanwhile draw and concentrate produced two steam enter backset current condenser become hot condensation liquid, falling back to and drawing it the pots, add to the crude drugs as the new solvent, the new solvent is passed the crude drugs layer from top to bottom, having played a oozing and filtering dynamically role, the soluble material which dissolves the crude drugs reaches the draw pot bottom, enter the concentrating device to concentrate again.According to practical experience and study for many years, hot condensation liquid of backset current invite within 2.5-3 hours drawing former solvent of pot all change once, can keep a higher density to the draw pot crude drugs in unit time.

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