Stirring is a common form of stirring installation.It installs the stirring device on the center line of the barrel body or groove pool of the instant equipment.The driving mode is usually belt drive or gear drive.Blade shape,according to the use of choice;Most of the shaft seals are packed,but for high vacuum and pressure,mechanical seal is adopted.Convenient installation and disassembly,simple structure,suitable for medium and high speed mixing.Also can match with all kinds of rack used in need of the shaft sealing device of the pressure vessel mixing,stirring shaft length and impeller layer in a certain range can choose,because of transmission,support section at the top level and can be used under the condition of no seal,also can be used in accordance with user requirements add packing seal or mechanical seal components.