Today, Let's Introduce Our Supercritical Extraction Machine. First, let's introduce the working principle of supercritical carbon dioxide extraction equipment
In the supercritical state, the supercritical carbon dioxide is contacted with the substance to be separated to selectively extract the components with different polarity, boiling point and molecular weight. Of course, the extract obtained corresponding to each pressure range cannot be single, but the conditions can be controlled to obtain the best proportion of mixed components, and then the supercritical fluid can be changed into ordinary gas by means of decompression and heating, and the extracted substances can be completely or basically precipitated, so as to achieve the purpose of separation and purification. Therefore, the supercritical fluid carbon dioxide extraction process is a combination of extraction and separation.
Supercritical extraction devices can be divided into two types. One is research and analysis, which is mainly used for the analysis of small amounts of substances or to provide data for production. The second is preparation production type, which is mainly used in batch or mass production.
The supercritical extraction device can be divided into eight parts: extractant supply system, low temperature system, high pressure system, extraction system, separation system, modifier supply system, circulation system and computer control system. Specifically, it includes carbon dioxide injection pump, extractor, separator, compressor, carbon dioxide storage tank, chiller and other equipment. Because the extraction process is carried out under high pressure, the pressure resistance performance of the equipment and the whole pipeline system is required to be high. The microcomputer automatic monitoring of the production process can greatly improve the safety and reliability of the system and reduce the operation cost sand