MIXING DEVICE Russian patent published in 2019 - IPC B01F7/18 B01F13/04 

FIELD: chemistry.

SUBSTANCE: invention relates to chemical, biological and oil refining industry, as well as for mixing liquids or liquids with solid phase in various agitators for laboratory and industrial purposes. Mixing device comprises a tank with a bottom, an engine, a screen, a body, a rod with a mixer made in the form of blades. In the housing there is additionally installed a second screen made in the form of a wave tubular coupling, the driven generator of which is interconnected with the stirrer shaft and is installed coaxially with the driving generator connected to the motor, dividing the first and the second screen into two external and two internal partitions of screens installed on their binding elastically deformable tube of wave tubular coupling, and hermetically connected to housing and supports of driving and driven generators, wherein inner tight cavity between screens is filled with control fluid or gas.

EFFECT: invention improves reliability of sealing and durability of the device.

1 cl, 1 tbl, 2 dwg