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Патент USA US2408291

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Sept. 24, 1946.
'
H. E. BYER‘ '
2,408,290
COUNTER-CURRENT CONDENSER
Filed Nov. 24,_ 1945
lv
INVENTOR
; 2,408,290
Patented Sept. 24, 1946'
UNITED STATE s PATENT OFFICE
2,408,290
COUNTERCURRENT CONDENSER
' Henry E. Byer, Bernardsville, N. J.
Application November 24, 1943, Serial No. 511,534
6 Claims. (Cl. 261-411)
2
mately the shape of a cylinder instead of an
inverted cone with thelower base of the cylin
This invention relates to an improved con
drical sheet of water near the edges of the baflle.
denser and, in particular, to the type of counter
Water ?owing in this manner tends to ‘spatter
current condenser for the condensation of steam
when it contacts the baffle and causes waves or
or'other gases as described .in' my Patent No.
Ul ripples in the water ?owing over the edges of
2,013,029, patented September 3, 1935.
of water fre- In said patent I have disclosed an improved
the ba?le. Such a decreased ?ow
quently causes breaks in either or'both of the
apparatus for contacting a gas and a liquid ?ow
curtains of water between the baffle and the weir
ing in counter-current. Such an apparatus may
be used advantageously for the condensation of 10 or between the baf?e and the condenser-walls
with a resulting ine?icient operation referred
steam with a counter-current ?ow of water or
to above. Thus, the apparatus described in this
in scrubbing and condensing other gases. In
patent does not operate efficiently where the ?ow
condensing steam, the steam is passed through
rate of the ‘water varies appreciably from the
a multiplicity of balanced curtains of water
formed by weirs and de?ectors.
I' have now
found aiurther improvement which rendersthe
15
condenser more efficient while maintaining my
compact and simpli?ed structure.‘
~
In the apparatus shown in my previous pat
ent the water is caused'to over?ow a concentric 20
weir on to a» centrally located ba?le below the
the -,
weir. When operating in accordance with
designed ?ow rate. '
"
.
It is aspecial object of my invention to pro
vide a condenser of a simpli?ed and compact
structure that will operate uniformly under var
ied conditions of use and with varied flows‘ of
water.
I
A further object of my
invention is to provide
a compact multiple chamber condenser which
will provide solid curtains of liquid without ma—
designed ?ow rate, the water column forms a,
frusto-conical-closed curtain having its apex at
terially decreasing the amount of surface contact
the center of the Weir thereby forming a closed
curtain of water between the weir and the baf?e.
It is the purpose of the ba?le to-de?ect the water ,
from the apex of the conical frustrum'in such a
tions in the water flow.
manner that it over?ows the edges of the ba?le
into contact with the walls of the condenser as
,
The
between the liquid and the gas over wide varia
~
It is another object of my invention to provide
a steam condenser in which thin solid curtains
of Water ?owing counter-current to‘ the steam
will not be broken or blown. aside even though
36 the-flow of water is below normal or ?uctuates.
water then
and is again de?ected .from them
positioned thereon. The two curtains of water
extending between the ba?le and the condenser
Additional objects, purposes and advantages
of my invention will appear from the disclosure
taken in connection with the attached drawing
which illustrates a preferred form of embodi
walls, and between the weir and baffle form a 35 ment thereofv and in which:
Figure 1 is a vertical section through my im
closed secondary steam condensing chamber with.
the condenser. This secondary chamber con
proved condenser,
-
M
I
-
I
.Figure 2 is a- horizontalisection taken along
tributes materially to the el?cient operation of
the line 2—-2 of Figure 1, and, , '
-_
I
_
;
the condenser. Any disruption or break in the
curtains of water, however minute, adversely af 40 Figure 3 .is a horizontal section-along line 3--3
of Figure l and diagrammatically represents de
facts the efficient operation of this condenser.
tails of structure of an improvedwater leader.
Ihave found that the condenser described in
said Patent 2,013,029 operates efficiently at the
- The condenser l?vshown in Figure 1 is provided
:with a»main condensing chamber l2 into which
designed ?ow rate for‘ the water but that any
appreciable decrease in the flow of thewater 45.‘the steam‘ or other gases to be condensed or
washed enter through the conduit It. The con
causes interruptions in the curtains of water
densing liquid enters the condenser 10' through
between the weir and the baflle and below the
the inlet l6 and after ?owing through the con»
denser passes through the outlet I8.~'I'he un
material loss in the product output of the appa 50 ' condensed gases collect in the upper portion of
the condenser 20 and are withdrawn through the
ratus the condenser serves. A decreasein the
flow of the water below that for which the con
outlet 22.
battle, breaks the vacuum, upsets the stabilized
operation of the condenser, and results in, a
denser is designed thins the curtain of water
?owing between the weir and thebaf?e below'it
' and causes the curtainv to spread to approxie
, In the embodiment shown, a ba?le 24'is located“
below the water inletJ 6 to de?ect the water along
2,408,290
the sides of the condenser [0, below the point of
impact of the water. The condenser I 0 is pro
vided with a perforate water leaderv 2t‘ converg
me toward an ori?ce 34 positioned above an
28, which again de?ects
4
ter column is prevented. At all times, a sub
stantially solid curtain of water is maintained
between the primary condensing chamber and
the secondary condensing chamber and between
the water along the sides of the condenser I 0.
The ba?le 28 is advantageously provided with a
the secondary condensing chamber and the upper
portion of the condenser thereby preventing the
Support 29 in the form of an inverted V. The
condenser I0 is provided with a de?ector ring 30
e?icient operation of the condenser. Losses in
necessary to the
below the. ba?le 28 which de?ects, thev water in a 10 e?iciency which normally occur in condensers of
curtain spaced from the walls of the chamber l2.
the prior'type wherein there is a considerable
As shown in Figure 3, the perforate water
?uctuation from the designed water ?ow rate are
avoided. This condenser is inexpensive to man
verging downwardly with radial ?ngers 32 con
ufacture and maintain due to its small number
the ?ngers there are to an ori?ce; 36. Between
of‘parts' andvv may be readily installed due to its
perforations or unobstructed
compact nature.
gases may pass.
The perforate water leader 26 which directs
the ?ow of water- from the walls of the condenser
to the center where it ?ows on to the ba?ie
may be variously designed and the ?ngers 32 may
be given a greater slope or be brought nearly to
The pressure equilibrium With
in the condenser and the surface tension of the
water is such that the water’ leader 26 will sup
port a very thin curtain of water on its radially
converging ?ngers 32 which will be ‘
a: solid curtain near the center of the baffle 28.
the horizontal‘ without materially a?ecting- the
operation of‘ the condenser provided the water
leader 26 is so arranged as to cause all of
In the operation of the condenser, as shown,
the water ?ows into the inlet It or- any other
suitably positioned inlet on to the umbrella shaped
baffle 24 andv thence is. spread and de?ected against
the sides of the condenser It. The water then
?ows: along the side of the. condenser into contact
with the perforate. water leader 26. The water
flows over the surface of the Water leader 26 and
?ows in. a frustro-conical solid curtain of water
over the radial ?ngers 32 and bridging across
the unobstructed passageways 35? to an ori?ce or
apex 34 near the center of the condenser and
then on to the second umbrella ba?le 28. This
solid‘ sheet of water is de?ected from the um
brella bai?e 28 into contact with the walls of the
condenser I 0. The water ?ows along the Walls 40
of the condenser I 0 and is de?ected therefrom
by the deflector ring 30 into a curtain spaced
from the walls ID of the chamber l2.
stream on the center of the ba?le 28 when the
condenser is in operation. As the water con
verges to the ori?ce 34 the thickness of the sheet
of water increases and the weight of the water
per unit of area likewise increases, thereby giv
ing a discharging sheet of water weighted at the
point of discharge. This discharging water al-v
as a result the water is not lifted or blown aside
at the center of the water leader 26. The in
sheet of Water flowing over
the ?ngers 32 of the water leader 26 and across
36 is thinner at the outer cir
cumference of the perforations 36 than the
'
Water discharging through the
ori?ce 34 on to ba?le 28 and forms a solid sheet
state of balance with the gases
which readily pass through the thin sheet‘ ?ow
washed enter the condensing chamber 12 through 45 ing across the perforations 36 without materially
breaking the solid ?lm of water.
the inlet l4 into contact with the sheet of water
While I‘ have
The steam or other gases to be condensed or
densation takes place in the chamber I2, and
the condensate is removed with the condenser 50
water through the outlet l8. However, any un
scope and spirit‘ of the
description thereof, and of the claims appended
condensed steam or gases or any uncondensable
gases then ?ow from the chamber l2 through the
hereto.
I claim:
'
'
From the chamber I3 the gases pass through’
1. In a counter-current condenser, a leader for
openings 36 in the water leader 26 and through 55 conducting water inwardly from the walls of the
the curtain of liquid 44 on the surface of the
condenser and discharging it in a substantially
?ngers 32 into the upper portions of the con
denser I 0. The uncondensed or washed gases are
unbroken stream at the center of a condenser
which comprises an annular substantially hori
withdrawn through the gas outlet 22. In the
contacting- with the walls of the con
normal operation of the apparatus where steam 60.
is being condensed, all of the steam will
been condensed by the time it passes through the
secondary condensing chamber l3 into the upper
terminating in a substantially circular opening
portions of the condenser. However, in the ap 65/ near the center of the condenser, with the spaces
paratus as disclosed, the uncondensed gases are
between said ?ngers being larger where the ?n
further contacted by a sheet‘ of water 46 de
?ected from the upper bail‘le 24 before they are
withdrawn through the gas outlet 22.‘
In this construction thin sheets of water ?ow
gers meet said annular wall.
2'. In a counter-current gas and liquid contact
lleader 26 is such as to cause an even ?ow of
means to spread a liquid entering substantially
through the condenser evenly and without any 70
pulsating effect. The construction of the water
, and a gas outlet near the top,
water at all times on, to the center of the ba?le
at the center of the chamber into a thin sheet
2_8_;. The thinning. out and spreading of the wa
?owing downwardly along the walls thereof,
' means to again. converge said liquid into a column
- '
2,408,290
frustro-conical column, said ba?le serving to de
flowing downward substantially'at the center of
said chamber, and means to again spread said
liquid into a. thin sheet flowing downwardly along
the walls of said chamber, while permitting gas
to contact and pass through saidliquid, said con
verging means comprising a water leader ‘con
tacting with the walls of said column and having
of the condenser and ‘
'?ect the ‘water to the walls
to form a curtain of water between said main
chamber and-said secondary chamber.
5. In acounter-current gas and liquid "contact
apparatus of the class‘ described, a vertical cylin
drical chamber having a liquid outlet near the
bottom, a gas inlet near the bottom, and a gas
outlet near the top, means to spread a liquid en
a horizontal ledge near the column walls with a
at the center of the chamber
tering substantially?owing
downwardly along the
plurality of ?ngers extending inwardly and down
wardly from said ledge and forming an opening 10 -
to again converge said liquid
‘walls thereof, means
into a column ?owing downward substantially at
the center of said chamber, and means to again
substantially at the center of said column, and
openings between said ?ngers through which a _
gas may pass.
3. In a steam condenser of the'class described,
’ v
into a thin sheet
' spread said liquid into a thin sheet ?owing down-'
a main condensing chamber, a secondary steam 15 wardly along the walls of said chamber while per
mitting gas to contact and pass through said
condensing chamber, a gas collection chamber
liquid, said converging means comprising a water
with a gas outlet, a water inlet tor the condenser,
leader contacting with the walls of said column
a centrally located ba?le, and means to form a
and having a ledge near the column walls with
substantially continuous thin curtain of water
through which gas may pass from said secondary
chamber to said gas collection chamber including
_ a I plurality of
?ngers extending relatively in
' wardly and downwardly from said ledge and
forming an opening substantially at the center’
an annular water leader extending to thewalls
of said column and openings between said fingers
of said condenser and adapted to lead water
through which a gas may escape.
I
therefrom to the center of saidcondenser'in a
6. In a counter-current gas and liquid contact
continuous sheet and onto said ba?le, said water 25
apparatus of the class described, a vertical con
leader having discontinuous walls with apertures
tact chamber having va liquid inlet near the. top
oi- substantial size through which said gas may
extending to a relatively re-'
and a liquid outlet near the bottom, a gas inlet
pass, said leader
near the bottom and a gas outlet near the top,
stricted orifice at the center of the condenser
a plurality of annular liquid de?ectors between
and converging said continuous sheet of water on
the gas inlet and the liquid inlet including a
said bafiie in a frusto-conical column, said ba?le
water leader’ extending ‘from the wallsof the
serving to de?ect the water to the walls of the
chamber inwardly and converging to an ori?ce
condenser and to form a curtain of water between
said main chamber and said secondary chamber. , positioned centrally of the chamber and above a
4. In a steam condenser of the class described,
a main condensing chamber, a secondary steam
condensing chamber, a gas collection chamber
with a gas outlet, awater inlet for the condenser,
a centrally located‘ba?le, and means to form a
centrally located ba?le, said leader converging the
liquid ?owing from the walls of said chamber
into a thin sheet, while permitting gas to contact
and pass therethrough, and into a column flow
ing downward substantially at thecenter of said
substantially continuous thin curtain of water 40 chamber onto said centrally located bailie, said
leader being provided with unimpeded passage
through which gas may pass from said secondary
ways through which said gas may pass and con- '
chamber to said gas collection chamber including
verging to said ori?ce positioned centrally of the
an annular water leader extending to the walls
chamber, the upper part of the passageways being
of said condenser and adapted to lead water
therefrom to the center of said condenser and‘
onto said baiiie, said water leader having ?ngers
extending relatively inwardly and downwardly
of larger dimensions toward the outer circume
ference of, the water leader, said baiiie de?ecting
, the liquid from the center and against the walls
from said walls to a restricted ori?ce at the center
of the chamber.’
'
of the condenser to converge said continuous
sheet of water on said baiile in a substantially 50
HENRY E. BYER.
’
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