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Supercritical carbon dioxide jet flow wall breaking extraction system and extraction and separation method
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A carbon dioxide, supercritical technology, used in separation methods, chemical instruments and methods, solvent extraction, etc.
Pending Publication Date: 2019-11-12
江西国科医药工程科技有限公司
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[0005] Based on this, the purpose of the present invention is to solve the existing carbon dioxide extraction process, the problem that the extraction extraction efficiency needs to be further improved
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Embodiment 1
[0034] In order to solve this technical problem, the present invention proposes a supercritical carbon dioxide jet flow carbon wall-breaking extraction system, please refer to Figure 1 to Figure 3 , for the supercritical carbon dioxide jet wall breaking extraction system proposed in the first embodiment of the present invention,
[0035] The extraction system comprises sequentially connected: an extraction tank 11, a temperature controller 12 communicated with the extraction tank 11, a booster pump 13 communicated with the temperature controller 12, a carbon dioxide storage tank 14 communicated with the booster pump 13, and The gas cooler 15 communicated with the carbon dioxide storage tank 14 and the carbon dioxide compressor 16 connected with the gas cooler 15 are provided with a separation tank 21 between the above-mentioned carbon dioxide compressor 16 and the extraction tank 11. There is a pressure relief valve 212 .
[0036] It should be pointed out here that the entra...
Embodiment 2
[0047] see Figure 4 , for the supercritical carbon dioxide jet wall breaking extraction system proposed in the second embodiment of the present invention, its specific implementation is roughly the same as that in the above-mentioned first embodiment, and the difference is that a There is a first flow meter 31 , a second flow meter 32 is provided between the carbon dioxide compressor 16 and the separation tank 21 , and a heat exchanger 40 is provided between the extraction tank 11 and the temperature controller 12 .
[0048] It should be noted here that the above-mentioned first flowmeter 31 and second flowmeter 32 can monitor the flow of carbon dioxide in a low-pressure state in the pipeline in real time, so as to facilitate real-time control of extraction and separation.
Embodiment 3
[0050] see Figure 5 , the third embodiment of the present invention also proposes an extraction and separation method, wherein the above-mentioned supercritical carbon dioxide jet wall breaking extraction system is used for separation and extraction, and the method includes the following steps:
[0051] S101, turn on the carbon dioxide compressor, and control the carbon dioxide to pass through the gas cooler, the carbon dioxide storage tank, the booster pump and the temperature controller in sequence until reaching the extraction tank.
[0052] Please combine figure 1 It can be seen that in this embodiment, the specific operation steps are: turn on the carbon dioxide compressor, control the carbon dioxide to pass through the gas cooler 15, the carbon dioxide storage tank 14, the booster pump 13, the temperature controller 12 until it reaches the extraction tank 11 .
[0053] S102, adding traditional Chinese medicine raw materials into the extraction tank, and after the jet ...
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technical field [0001] The invention relates to the technical field of pharmaceutical production and processing, in particular to a supercritical carbon dioxide jet wall-broken extraction system and an extraction and separation method. Background technique [0002] Traditional Chinese medicine refers to substances that are used to prevent, treat, and diagnose diseases and have rehabilitation and health care functions under the guidance of TCM theories. Traditional Chinese medicine mainly comes from natural medicine and its processed products, including plantmedicine, animal medicine, mineral medicine and some chemical and biological products. [0003] The selection of traditional Chinese medicine extraction method should be based on the characteristics of prescription materials, solvent properties, dosage form requirements and actual production. The commonly used methods in the past mainly include decoction method, dipping method, percolation method, reflux method, steam di...
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