Evaporator

Details Evaporator Evaporator

1999-02-01

2001-02-20

Manoharan, Virginia (Department: 1764)

Concentrating evaporators

Spray type

Gaseous current

C159S004040, C159S004080, C159S016100, C159S034000, C159S048100, C159SDIG004, C165S067000, C202S083000, C202S266000

Reexamination Certificate

active

06190498

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to an evaporator, and in particular to a portable evaporator for use in the mining industry.
Specifically, the invention relates to an evaporator for use in the mining industry to reduce the volume of water in tailings ponds during reclamation. In order to keep the volume of water in tailings ponds to a minimum, it is necessary to supplement natural evaporation using a mechanical spraying device or evaporator. The evaporator jets fine streams of liquid from a tailings pond into a stream of air under pressure to effect evaporation of large volumes of liquid. It will be appreciated that the evaporator can be used for other purposes, i.e. for evaporating water other than that taken from tailings ponds.
2. Discussion of the Prior Art
Spraying devices or evaporators of the types disclosed herein are by no means new. Examples of such apparatus are disclosed by U.S. Pat. No. 3,069,091, issued to R. C. Giesse et al on Dec. 18, 1962; U.S. Pat. No. 3,269,657, issued to V. P. M. Ballu on Aug. 30, 1966; U.S. Pat. No. 3,319,890, issued to D. E. Wolford on May 16, 1967; U.S. Pat. No. 3,883,073, issued to V. P. M. Ballu on May 13, 1975; U.S. Pat. No. 5,269,461, issued to J. F. Davis on Dec. 14, 1993 and U.S. Pat. No. 5,299,737, issued to C. D. McGinnis et al on Apr. 5, 1994.
In general, while existing devices perform the desired function in varying degrees of efficiency, it has been found that a need still exists for an evaporator which can be used on virtually any terrain for quickly evaporating large volumes of liquid.
GENERAL DESCRIPTION OF THE INVENTION
The object of the present invention is to meet the above defined need by providing a relatively simple, efficient, portable evaporator, which can be used on uneven terrain.
Accordingly, the present invention relates to an evaporator for quickly evaporating large volumes of liquid comprising:
(a) a stand for supporting the evaporator in a fixed position;
(b) a frame rotatable on said stand for rotation around a vertical axis;
(c) a tubular horizontal housing on said frame, said housing having first and second open ends;
(d) a fan in said housing;
(e) a motor on said frame at the first open end of said housing for driving said fan to move air through said housing from said first open end to the second open end thereof;
(f) an elongated tubular nozzle extending upwardly and outwardly from said second open end of said housing for discharging a stream of air from the evaporator;
(g) a manifold around an upper outlet end of said nozzle for receiving liquid from a source thereof; and
(h) a plurality of jets in said manifold for discharging atomized liquid into the stream of air exiting said nozzle, whereby evaporation of the liquid is facilitated.


REFERENCES:
patent: 2224076 (1940-12-01), Gatzweiler
patent: 3760566 (1973-09-01), Zievers et al.
patent: 3867234 (1975-02-01), Smith et al.
patent: 4622102 (1986-11-01), Diebel
patent: 4762538 (1988-08-01), Michler et al.
patent: 4834840 (1989-05-01), Capella
patent: 5082525 (1992-01-01), Travis
patent: 5167763 (1992-12-01), Sakamoto
patent: 5573661 (1996-11-01), Rachak
patent: 5582680 (1996-12-01), Van Kouwenberg

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