Mixer apparatus for high horse power mixer application where mix

Details Mixer apparatus for high horse power mixer application where mix Mixer apparatus for high horse power mixer application where mix

1990-12-26

1991-09-03

Jenkins, Robert W.

Agitating

Stirrer within stationary mixing chamber

Rotatable stirrer

B01F 722

Patent

active

050447629

ABSTRACT:
Mixer apparatus including a high horsepower motor and transmission drive for an impeller, together with associated shafts, impellers and a bearing and seal assembly, are supported on a tank without excessive loading and vibration of the top head of the tank and without special construction to support the apparatus from the foundation. The support structure of the mixer apparatus is provided by a machine base having connected beams on which the motor and the transmission (gear box) are located. A noise containment enclosure on the base may be used to lower radiated noise levels. The impeller shaft and shaft extensions thereof are disposed in telescoping relationship with the transmission, aligned along the same axis. The machine base is parallel to the foundation and is supported on vertical columns, which depend from one end of the base and from opposite ends of a cross beam at the other end of the machine base. The columns distribute the load of the mixer on the side wall of the tank which has a high section modulus which provides the rigidity and stiffness to prevent vibration of the apparatus. A mechanism, including hydraulic cylinders is carried in a bearing member, which contains the bearings and seals. The cylinders lift the impeller, moving it upward through the transmission so as to enable detachment of the impeller shaft from the seal unit to facilitate seal replacement.

REFERENCES:
patent: 2319821 (1943-05-01), McLean
patent: 3115333 (1963-12-01), Lennon
patent: 3149888 (1964-09-01), Lennon

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