Sanitary direct contact steam injection heater and method

Details Sanitary direct contact steam injection heater and method Sanitary direct contact steam injection heater and method

1995-04-10

1997-04-22

Miles, Tim R.

Gas and liquid contact apparatus

Contact devices

Injector type

261DIG76, 261DIG78, B01F 304

Patent

active

056226551

ABSTRACT:
A direct contact steam injection heater with a coaxial steam nozzle has a converging/diverging combining tube. The converging/diverging combining tube eliminates the need for an adjustable combining tube sleeve to accommodate various flow rates of a liquid or slurry entering into the heater. The heater is especially well suited for sanitary applications because, without the combining tube sleeve, the heater can be made so that surfaces in contact with the liquid or slurry do not have pockets or folds in which liquid or particulates can accumulate. Contact surfaces in the heater are substantially self-cleaning because of turbulent mixing action, and the heater can be quickly disassembled and reassembled for manual cleaning.

REFERENCES:
patent: 1315931 (1919-09-01), Poppink
patent: 1846220 (1932-02-01), McCune, Jr.
patent: 2483426 (1949-10-01), Moore
patent: 3331590 (1967-07-01), Battenfeld et al.
patent: 3984504 (1976-10-01), Pick
patent: 4198357 (1980-04-01), Berriman et al.
patent: 4473512 (1984-09-01), Pick et al.
patent: 4773827 (1988-09-01), Zaiser
patent: 4931225 (1990-06-01), Cheng
patent: 5395569 (1995-03-01), Badertscher et al.
Hydro-Thermal Brochure, "Efficient Steam Heating of Liquids and Slurries", Bulletin H120.
Hydro-Thermal Brochure, "Improving Efficiency and Productivity while Lowering Production Costs", Bulletin H150.
Hydro-Thermal Brochure, "Hot Liquids On Demand", Form H112.
Hydro-Thermal, "Automatic Temperature Control", Application Bulletin A-3.
Hydro-Thermal, "Automatic Intermittent Heating", Application Bulletin A-11.

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