Extraction and purification device for dogwood alkaloid and use method of extraction and purification device

The invention discloses a dogwood alkaloid extraction and purification device and a use method thereof, and relates to the technical field of alkaloid extraction and purification, the dogwood alkaloid extraction and purification device comprises a purification tank, a working cavity is formed in the purification tank, a circular bottom plate is fixedly mounted in the working cavity, and a first filter cartridge is rotatably sleeved on the circular bottom plate. Through the arrangement of the purification tank, the circular bottom plate, the first filter cylinder, the annular bottom plate, the second filter cylinder, the stirring shaft, stirring blades, a driving structure and a material lifting structure, the position of a mixture in the first filter cylinder is changed through the material lifting structure, the stirring and mixing effect is improved, the situation that solid materials are precipitated at the bottom under the action of gravity can be avoided, and the service life of the solid materials is pr