Traditional Chinese medicine concentrating device, and ginkgolide extraction method
A technology of traditional Chinese medicine and equipment, which is applied in the field of traditional Chinese medicine decoction equipment and ginkgolide extraction, which can solve the problems that water vapor cannot be recycled, the concentrated liquid has a lot of dregs, and the concentrated tank is difficult to clean, so as to achieve simple structure and reduce production. The effect of cost and convenient operation
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Embodiment 1
[0016] Embodiment 1: refer to Figure 1-2 , a traditional Chinese medicine concentration tank, comprising a tank body 1, a liquid inlet 12 positioned at the top of the tank body 1, a liquid discharge port 8 positioned at the bottom of the tank body 1, a layer of heating plate 6 is arranged on the outside of the tank body 1, and the The outer side of the heating plate 6 is provided with an insulating layer 4, and the inner wall of the tank body 1 is provided with a circle of cleaning pipes 9, and the cleaning pipe 9 is provided with cleaning nozzles 5, and the number of the cleaning nozzles 5 is 4-6. The direction of the cleaning nozzle 5 is arranged tangentially along the inner wall of the tank body 1. The top of the tank body 1 is connected with a vacuum pump 3 through a vacuum tube. A buffer tank 2 is arranged between the tank body 1 and the vacuum pump 3. The tank body 1 The top is connected to an evaporator 13 through a pipeline, the other end of the evaporator 13 is conne...
Embodiment 2
[0018] Embodiment 2: Get 1000 grams of Ginkgo biloba, extract with 5 times the volume percent concentration of ethanol that is 85%, extract, use the traditional Chinese medicine concentration equipment described in Example 1, concentrate to obtain extract, extract is too large after adding water dilution Pore resin column adsorption, ethanol elution, the eluent is concentrated using the traditional Chinese medicine concentration equipment described in Example 1 to obtain a thick paste, the thick paste is dried, the dry paste is packed into a column, eluted with ethyl acetate, and eluted with ethyl acetate The solution is concentrated to no ethyl acetate smell using the traditional Chinese medicine concentration equipment described in Example 1, added with ethanol for dissolution, crystallized with ethanol to obtain crude crystals, and the crude crystals are recrystallized with ethanol and ethyl acetate to obtain ginkgolide B, and Compared with the extraction of ginkgolide B b...
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