Mesh belt type continuous microwave reflux extraction method and device for Chinese medicinal material extraction
An extraction method and technology for traditional Chinese medicinal materials, which are applied in the field of mesh belt microwave continuous countercurrent extraction method and device for extracting traditional Chinese medicinal materials, can solve the problem that the diameter of the tubular structure cannot be too large, the extraction efficiency and output are affected, and the screw propeller is subjected to large force. and other problems, to achieve the effect of speeding up the extraction and diffusion process, facilitating the post-processing of the medicinal residues, and avoiding the loss of the extract.
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[0033] The following will be further described in conjunction with the accompanying drawings, but it does not mean to limit the changes based on the common knowledge in the professional field of the mesh-belt microwave continuous countercurrent extraction method and its device for extracting Chinese herbal medicines in the present invention.
[0034] The cut pieces of Chinese herbal medicines are put into an infiltration tank that can be sealed (the lower end has a rotary valve that can discharge materials continuously), soaked in water, and after vacuum decompression, the purified steam is directly passed in and gradually heated to complete the infiltration of Chinese herbal medicines. Then return to normal pressure. At the same time, repeated vacuum-infiltration, heating-normal pressure operations can be performed to ensure the infiltration effect of Chinese herbal medicines.
[0035] The infiltrated Chinese herbal medicine pieces are sent out through the continuous discharg...
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