Subcritical liquid extraction device and subcritical liquid extraction method of active ingredients of natural products
A subcritical fluid and active ingredient technology, applied in the direction of solid solvent extraction, etc., can solve the problems of being limited to a specific subcritical fluid, cumbersome loading and unloading of extraction kettles, and high working pressure of equipment, so as to reduce solvent loss and low operating costs , The effect of reducing the project cost
Inactive Publication Date: 2010-02-10
HENAN YALINJIE BIOLOGICAL TECH
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The invention provides a subcritical liquid extraction device and a subcritical liquid extraction method of active ingredients of natural products, relating to a device and a method for extracting active ingredients of natural products. The device comprises a control system part and a leaching system part, wherein the leaching system part comprises an extraction tank 1, an evaporating tank 2, a buffer tank 3, a condenser 4, a solvent tank 5, an ultrasound generating device 11, a vacuum pump 9, a fire arrester 10, a compressor 8, a hot water pump 7 and a hot water box 6; the control system partcomprises a leaching temperature controller, a leaching time controller, a leaching frequency controller, a material dissolving ratio controller, an exsolution temperature regulation controller, an exsolution pressure feedback controller, an electric appliance controller of the device and an excess-temperature excess-pressure leaking alarm. The method can select different subcritical extraction media according to different extraction products, combines a subcritical liquid extraction technology and an ultrasonic extraction technology to increase extraction rate and reduce extraction time andis a new high-efficiency low-consumption environment-friendly technology for extracting active ingredients of natural products.
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