Gas and liquid contact apparatus – Contact devices – Rotating
Patent
1973-11-21
1976-06-29
Miles, Tim R.
Gas and liquid contact apparatus
Contact devices
Rotating
239220, 239224, B01F 304
Patent
active
039668592
ABSTRACT:
A large scale liquid cooling assembly has two stages for air cooling of hot liquid. Each stage has a plurality of liquid spray units for selective controlled projection of liquid drops in at least one trajectory extending generally perpendicular from its unit and in a common horizontal direction therefrom. The drop sizes, velocities and volume rates of the liquid spraying are adapted to provide a directional wind effect across the unit along the common horizontal direction. The water can be initially cooled in the first stage, and subsequently further cooled in the second stage. At least some of the units of the second stage are adjacent some of the units of the first stage, and create directional wind effects complementary to the directional wind effect of the first stage.
The alignment of the liquid spray units in the two stages can take several different forms. For example, both stages can have a plurality of liquid spray units aligned in a rectangular form, the second stage concentric about the first stage. At least some of the rectangular sides of the stages can be adjacent one another so that when the liquid drops are projected inwardly from both stages the directional wind effects created across the units of the outer, second stage are reinforced by the directional wind effects created across the units of the inner, first stage. In another form, both stages have units aligned in circular forms, the second stage concentric about the first stage. The units can also be formed into a spoke-like alignment with rows of the liquid spray units arranged as diverging spokes. In this form, one of the spokes constitutes the first stage, with an adjacent spoke as the second stage. The spoke-like alignment can also be surrounded by a concentric circular spray unit assembly comprising a plurality of liquid spray units, with the spoke-like alignment as the first stage, and the circular assembly as the second stage.
The liquid cooling assembly has control apparatus for controlling some spray units of the stages independently of at least some of the other units of the stages in response to the direction and speed of the ambient wind conditions. This control apparatus can control the cooling assembly to maximize use of a prevailing wind, by activating only those spray units which provide directional wind effects not in opposition to the direction of an ambient wind of a greater than predetermined speed. The control apparatus can also activate only certain spray units which provide directional wind effects complementary among each other and among adjacent units of other stages to maximize use of an ambient wind of less than a predetermined speed.
REFERENCES:
patent: 1233119 (1917-07-01), Parker
patent: 1462363 (1923-07-01), Christensen
patent: 1778364 (1930-10-01), Lewis
patent: 1868632 (1932-07-01), Edge
patent: 2098152 (1937-11-01), Kessener
patent: 2591100 (1952-04-01), Rouse
patent: 3719353 (1973-03-01), Cherne et al.
patent: 3856280 (1974-12-01), Desnick et al.
Cherne Industrial, Inc.
Miles Tim R.
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