With the improvement and improvement of the functions of the extraction equipment, it has a wider applicability. For example, in the evaporation and concentration process, the prior art herbal extraction, cooking and evaporation and concentration processes are: extraction batch batch operation, extraction at rest or rotating, and a new solvent is used every time. The extract cannot be concentrated all over the time, and the volatile substances cannot be recovered during the extraction process. After extraction, the slag is unloaded manually. video,movie