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Adsorption and separation regulation type supercritical fluid extraction equipment

A supercritical fluid, adsorption and separation technology, applied in co-current extraction, solid solvent extraction, solvent extraction, etc., can solve the problems of difficulty in maximizing the extraction rate, waste of effective substances, and insufficient separation, etc., to achieve gentle and painless extraction adjustment Effects of contamination, improved recovery, and improved extraction efficiency and quality

Active Publication Date: 2020-02-04
南通科鑫超临界设备有限公司
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Problems solved by technology

[0005] Although the existing supercritical CO2 fluid extraction has the advantages of pure natural green pollution-free extraction, strong extraction capacity, high extraction rate, fast extraction time and short production cycle, after the actual extraction, in the separation tank by changing the temperature and pressure When the method of separation is used, there is a phenomenon that the separation is not thorough enough, that is, when the carbon dioxide is released, separated and recovered, some extracted effective substances are also included, which not only makes it difficult to maximize the extraction rate, but also causes waste of effective substances, and at the same time the effective substances enter the cycle. affect subsequent extraction efficiency

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  • Adsorption and separation regulation type supercritical fluid extraction equipment
  • Adsorption and separation regulation type supercritical fluid extraction equipment
  • Adsorption and separation regulation type supercritical fluid extraction equipment

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Embodiment 1

[0046] see figure 1 , a kind of supercritical fluid extraction equipment of adsorption separation control type, comprising storage tank 1 and control box 14, the inlet end of storage tank 1 is fixedly connected with the first three-way pipe 2, and the right end of the first three-way pipe 2 is fixedly connected with the first The connecting pipe 3, the first connecting pipe 3 is fixedly connected with the condensation tank 4, the condensation tank 4 is fixedly connected with the second connecting pipe 5, the second connecting pipe 5 is fixedly connected with the pressurized tank 6, and the pressurized tank 6 is fixedly connected with the third The communication pipe 7, the third communication pipe 7 is fixedly connected with the heating tank 8, the heating tank 8 is fixedly connected with the extraction kettle 9, the outlet end of the extraction kettle 9 is fixedly connected with the fourth communication pipe 10, the fourth communication pipe 10 is fixedly connected with the pu...

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Abstract

The invention discloses adsorption and separation regulation type supercritical fluid extraction equipment, belongs to the field of pharmaceutical equipment, and aims to extract effective substances from traditional Chinese herbal medicines through supercritical properties of carbon dioxide. The equipment is mild in extraction adjustment, free of pollution, good in extraction performance, high inextraction rate, short in extraction time and short in production cycle; when effective substances are completely extracted and a separation step is carried out, a novel regulation adsorption component is introduced, effective substances which are not completely released from the carbon dioxide can be actively adsorbed and retained, so that the recycling rate of the effective substances can be increased; meanwhile, the equipment is supplemented by a sampling detection technique of the prior art, the adsorption component is adjusted according to detection on contents of the effective substancesin the carbon dioxide, the carbon dioxide can be rapidly circulated on premise that adsorption retention is met, the overall extraction efficiency and quality can be remarkably improved, and in addition, the effective substances can be conveniently desorbed and recycled and continuously reused through the adsorption component.

Description

technical field [0001] The invention relates to the field of pharmaceutical equipment, more specifically, to an adsorption-separation control type supercritical fluid extraction equipment. Background technique [0002] Supercritical is a supercritical fluid, which is a state of matter that is neither gaseous nor liquid between gas and liquid. This substance can only exist when its temperature and pressure exceed the critical point. The density of supercritical fluid is relatively high. Large, similar to liquid, and its viscosity is closer to gas, so supercritical fluid is a very ideal extraction agent. In the process of pharmaceuticals, supercritical extraction equipment is generally used to extract the effective substances of Chinese herbal medicine. The principle of supercritical carbon dioxide fluid extraction and separation process is to use the relationship between the dissolving ability of supercritical fluid and its density, that is, to use the influence of pressure a...

Claims

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Application Information

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IPC IPC(8): B01D11/02
CPCB01D11/0203B01D11/0207B01D2011/005
Inventor 沈立华
Owner 南通科鑫超临界设备有限公司
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