Concentrating evaporators – Processes
Patent
1982-06-04
1985-04-16
Garris, Bradley
Concentrating evaporators
Processes
159 482, 159DIG2, 165167, B01D 100, B01D 116, B01D 130, F28F 308
Patent
active
045114315
ABSTRACT:
Liquid material is heated within a first predetermined portion of a confined passageway under pressure and temperature conditions whereby the volatile components of the liquid material are maintained below the boiling point for said volatile components. The heated liquid material is continuously passed from said first predetermined portion into and through a second predetermined portion of the confined passageway which is arranged to form a partial restriction to fluid flow. The liquid material is immediately passed from the partial restriction into a third predetermined portion of the confined passageway which is arranged and configured to provide a relatively elongated, narrow passage having a high ratio of surface area to volume of fluid flow and a predetermined configuration to impart a turbulent flow to the liquid material. The pressure and velocity conditions of the fluid flow within the third predetermined portion are maintained at pre-selected levels whereby the volatile components of the liquid material rapidly vaporize in a flashing action as the liquid material passes from the first predetermined portion of the confined passageway through the partial restriction formed by the second predetermined portion of the confined passageway and into the third predetermined portion of the confined passageway whereby the vaporized volatile components form a high velocity vapor flow carrying the liquid material in atomized droplet form.
REFERENCES:
patent: 2562739 (1951-07-01), Risberg
patent: 3073380 (1963-01-01), Palmason
patent: 3155565 (1964-11-01), Goodman
patent: 3469617 (1969-09-01), Palmason
patent: 3509932 (1970-05-01), Chambers
patent: 3656534 (1972-04-01), Bain et al.
patent: 3735793 (1973-05-01), Burberry et al.
patent: 3759308 (1973-09-01), Gebauer
patent: 3984281 (1976-10-01), Buchwald
patent: 4153501 (1979-05-01), Fink et al.
patent: 4346560 (1982-08-01), Rapier
Moore James G.
Obey James H.
Pinkel Edward B.
Garris Bradley
White Consolidated Industries, Inc.
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