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Патент USA US2403841

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‘
July 9,1946.
.-
'
‘J. B. ‘BAIRD
'
I‘ FQRCED DRAFT COOLING ITOWE'R‘
‘
' ~
'
‘Filed April 25',
1945'
2,403,841‘
I
’
‘)
INVENTOR.
I Fi
, ‘
~
' BY%J"O&YB._BAIRD..
2,403,841
Patented July 9, 1946
i
'j. STAT as PATENT‘ 0
.5E I
John B. Baird, Houston, Tex., assignor to Hudson“ I
Engineering Corporation, Houston, Tex., a, cor
poration of Texas
Application April 23, 1945, Serial No. 589,739
3 Claims.
1
(01. 261-30)
2
upper part of the tower. A large percentage of
this water which passes downwardly through the
forced draft cooling towers.
battens will be cooled by this draft of air passing
This invention relates to a cooling tower gen
upwardly to the exhaust port at the top of the
erally similar in construction to my co-pending
tower and will drop by force of gravity and be
application executed April 23, 1945, Ser. No.
collected within the tray I6 beneath the battens,
589,740, but differing therefrom primarily by the
from whence it may be discharged through suit
fact that the draft, of air within the cooling
able spray head's (not shown) preferably locat
tower is forced in from the side of the tower
ed
behind or below the cross-member 18.
rather than being induced by an exhaust fan.
An opening 20 is provided along one edge of
Its general object is to prevent the entry of va 10
the tray l6 inclose proximity to the fan l2 so
pors from the coil shed into the cooling tower.
that a portion of the air being drawn in by the
A further object is to provide a cooling tower
fan
‘12 will be diverted downwardly through the
through which air is forced by a suitable fan lo
opening 20 in the tray l6 and will pass around
cated in an intake opening on one side of the
15 the cooling coils 22 until it is exhausted through
tower, and which will direct a continuous blast
exhaust opening 6, passing through the openings
of air upwardly to a point of exhaust near the
between the slats 8. The cooled water from
top of the tower, and a part of which blast of air
within the tray vl6 passes through suitable spray
is diverted downwardly to pass over conventional
heads located behind the cross-member l8 in a
cooling coils and be exhausted at a point on the
relatively ?ne spray, thus cooling the cooling
side of the cooling tower remote from’the side 20
coils 22 and the ?uid contained therein. Much
of entrance of the blast of air.’
of this spray or mist is rapidly vaporized in the
A further object of my invention is to provide
coil shed. However, air from the fan l2 will be
a cooling tower having a forced draft which will
forced downwardly through the opening 29, and
cause air to enter the cooling tower and be di 25 through the coil shed, taking the vapors from the
vided to course upwardly through the tower and
coil shed out through the opening 6 at a location
downwardly through a coil shed below the tower.
remote from the cooling tower in intake open
This invention relates to an improvement in
In the accompanying drawing:
.
ing 4, so that this vapor cannot be drawn into
the tower. ; Water falling from the coils in the
cross-section; and
I
coil 'shed is collected in the base 24 beneath the
Fig. 2 is a horizontal cross-section on the line 30 tower. From the base “the Water may be re
2-2 of Fig. l.
,
moved and recirculated from the top of the tower
Preferably the cooling tower and coil shed
as described.
structure 2 is made substantially square or rec
Having described my invention, 1- claim:
tangular in horizontal cross-section. Two oppo
1. A cooling tower and coil shed combination
site sides of the tower are provided respectively 35 including a housing, an air intake fan at one
with an air intake opening 4 into the lower end
side, thereof, a tower exhaust port in said hous
of the cooling tower portion of the structure, and
ing remote from said fan, a coil shed exhaust
at a point near the bottom of the structure on
port
in said housing also remote fromthe said
the opposite side from said air intake with a coil
shed exhaust opening 6. Preferably this exhaust 40 fan, a water collecting tray separating the upper
Fig. 1 is a side elevation partially in vertical
cooling tower portion of said housing from the
lower coil shed portion thereof, and cooling coils
beneath the said collecting tray, the said tray
having an opening therethrough at a point close
vided.
7
Within the cooling tower 2', I may provide a 45 to the vsaid intake fan, said opening being so po
opening 6 is covered by suitable ‘spaced-apart
slats 8. At the top of the tower 2 the cooling
tower exhaust port (not shown) is also pro
plurality of diagonally positioned spaced-apart
‘ tioned and of such size as to by-pass a material
portion of the air'stream from said fan onto the
battens l4 mounted above a tray l6 which is
subjacent coils.
adapted to catch water after it has been cooled
2. In a cooling tower and coil shed combina
and as will be more fully described hereinafter.
Near the top of the tower 2, water is introduced 50 tion, a housing, an air intake fan at one side
thereof, a tower exhaust port in said housing re- ‘
and is discharged within the tower by use of suit
mote from said fan, a coil shed exhaust port in
able sprayheads (not shown) so that the sprayed
said housing also remote from said fan, a water
water may course downwardly past the battens
4 collecting tray within the tower separating the
and becooled by air passing upwardly around the
battens on its way to the exhaust port in the 55 upper cooling tower portion of said housing from
3
2,403,841
' the lower coil shed portion thereof, cooling coils
beneath the said collecting tray, and an open
4
zontally within the upper portion of said hous
ing, a water collecting tray within the said hous
ing through the said tray at a point approxi
ing below said fan and above said coil shed ex
mately beneath the said intake fan, said open
haust opening dividing the tower into cooling
ing being so positioned and of such size as to by Cl tower and coil shed parts, and cooling coils be
pass a material portion of the air stream from
neath the ‘said collecting tray, said tray having
said fan onto the subjacent coils.
an opening in said collecting’ tray at a point ap
3. In a;co_o1i;ng2_ tower-and cpiljrshedf combina:
proximately beneath the said‘intake fan, said
tion, a housing; an air‘ intake fan at one side
opening being- so-positioned- and of such size as
thereof, a tower exhaust port at the top of said 10 to by-pass a material portion of the air stream
housing, a. coil shed exhaust port near the bot
from said fan onto the subjacent coils.
tom of said housing at, a position remote-fromv
said fan, battens arranged approximately hori
JOHN B. BAIRD.
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