Improvements in Apparatus for Cooling Air.
Year: 1895

page_text: PROVISIONAL SPECIFICATION.
Improvements in Apparatus for Cooling Air.
I, Sir ALFRED SEALE HASLAM, Knight, of Union Foundry, Derby,
Mechanical Engineer, do hereby declare the nature of this invention to be as
follows:-
According to this invention air to be circulated through rooms or stores is
brought into contact with diaphragms cooled by brine or some uncongealable fluid.
For this purpose I use a number of vertical corrugated metal plates, placed
partially in and projecting above a tank or shallow tray containing brine or other
uncongealable fluid and distance pieces or blocks are placed between the plate so that
they may stand parallel one with the other. The distance pieces have spaces on
their sides for the brine or uncongealable fluid to pass in a thin stream. Over the
top of the plates I place troughs or pipes in such number as may be convenient
and I cause a shower of brine at a low temperature drawn or lifted from the tray
or tank below in which it is cooled, by a pump or other means to be distributed
over the plates and trickle down the surface of same, or between the plates and on
the surface. I then drive a current of air by means of a fan or blower through
the spaces between the plates, the air being divided by the corrugated plates into a
number of thin currents is cooled in its passage between the plates by impinging
on them and the cold fluid trickling down the sides of each plate.
Dated this 5th day of January 1895.
A. SEALE HASLAM.
I, Sir ALFRED SEALE HASLAM, Knight, of Union Foundry, Derby,
Mechanical Engineer, do hereby declare the nature of this invention and in what
manner the same is to be performed to be particularly described and ascertained in
and by the following statement:—
According to this invention air to be circulated through rooms or stores is
brought into contact with fixed vertical diaphragms cooled by being constantly
wetted on both sides with brine or some uncongealable liquid.
For this purpose I use a number of vertical corrugated metal plates continuously
supplied at the top with brine or other uncongealable liquid and having their
bottoms in or above a receiver for the liquid. Distance pieces or blocks are placed
between the plates at the top and bottom so that they may stand parallel one with
the other. The distance pieces have lugs or recesses on their sides which form
passages for the liquid. The tops of the upper distance pieces form the bottoms of
troughs supplied with the cold liquid and from which it flows down the plates in
thin streams. These distance pieces have vertical projections at each end which
together form the ends of the troughs. Over these troughs I place troughs or
pipes in such number as may be convenient and I cause a shower of brine at a low
temperature drawn or lifted from the receiver below in which it is cooled by a
1 Unia 021

page_text: pump or other means to be distributed over the bottom of the upper troughs from
whence it trickles down the surfaces of the plates. I drive a current of air or other
gas by means of a fan or blower through the spaces between the plates, the air or
other gas being divided by the corrugated plates into a number of thin sinuous
currents is cooled in its passage between the plates by impinging on them and the
cold fluid trickling down the sides of each plate.
Figure 1 of the accompanying drawings is a plan of the apparatus and Figure 2
is a vertical section.
A is the receiver in which the brine is cooled to a low temperature by the coils
of pipe B or otherwise, C is the fan or blower, D is the pump by which the liquid
is raised to the upper tank E, F F are the corrugated plates and G G are the
distance pieces between them. G' G' are lugs on the distance pieces which alone
come in contact with the plates leaving narrow slits or passages G2 for the liquid.
The upper distance pieces have projections G³ which together form the ends of the
trough E packing being placed between them if necessary. The distance pieces
and plates are held together by bolts H. J is a trough with a perforated bottom
for distributing the brine in the trough E.
The plates should be as near together as is practicable without injuriously
checking the flow of air.
Flat plates or plates with horizontal corrugations may be employed instead of
plates with vertical corrugations as shown but not so advantageously because the
air can pass between them in a straight line instead of being compelled to wind
backwards and forwards between the corrugations and impinge again and again
against the cold liquid and the surfaces of the plates.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed, I wish it to be understood
that I do not claim generally apparatus in which air is cooled by being passed
over plates wetted with cold brine which I am aware has already been done in
several ways each of which however has disadvantages, but what I claim is :-
1. Apparatus for cooling air or other gases in which the air or gas is carried
between a number of fixed vertical plates down which cold brine or other
uncongealable liquid is constantly caused to flow.
2. The employment in apparatus such as is referred to in the preceding claim of
vertical corrugations in the plates.
3. In apparatus such as is referred to in the preceding claims having a receiver
for the cold liquid into which the bottoms of the plates dip.
4. In apparatus such as is referred to in the preceding claims having a trough
above the plates whose perforated bottom is formed of distance pieces between the
plates.
5. Apparatus substantially as described and shown in the drawings.
Dated this 21st day of Sentember 1805
A. SEALE HASLAM.