Rotary vane type evaporator

Details Rotary vane type evaporator Rotary vane type evaporator

1979-07-05

1981-07-21

Yudkoff, Norman

Concentrating evaporators

Film type

Centrifugal

159 11A, B01D 122

Patent

active

042796920

ABSTRACT:
A rotary vane type evaporator has a cylindrical vessel and a rotor rotatable therein. The rotor has vane supports fixed to a rotor shaft and vanes each pivotally mounted at the radially inner end to a vane support and having a radially outer end connected with a shoe extending in the circumferential direction of the vessel. Each vane is provided with a balance weight acting to keep constant, irrespective of the wear of the shoe, the pressing force which urges the shoe against the vessel inner peripheral surface. The rotor vanes are disposed in a plurality of stages arranged in axial direction of the rotor. The rotor is so constructed as to uniformalize the wear of the vane shoes over all the stages, whereby the frequency of the interruption of the evaporator operation for the renewal of vanes is lowered to improve the rate of the operation of the evaporator.

REFERENCES:
patent: 1487071 (1924-03-01), Mabee
patent: 2554546 (1951-05-01), Zahm
patent: 3130108 (1964-04-01), Eckstrom et al.
patent: 3180399 (1965-04-01), Belcher et al.
patent: 3190817 (1965-06-01), Neugebauer et al.
patent: 3216042 (1965-11-01), Strittmatter
patent: 3395419 (1963-08-01), Nunlist et al.
patent: 3848289 (1974-11-01), Bachmann

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