Improvements in Apparatus suitable for Cooling Cane-juice and other substances.
Year: 1892

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Date of Application; 30th Jan., 1892
Complete Specification Left, 21st Sept., 1892-Accepted, 30th Mar., 1893
PROVISIONAL SPECIFICATION.
Improvements in Apparatus suitable for Cooling Cane-juice and
other substances.
A communication from CHARLES D'ABBADIE DE BARRAU, of the Island of
Mauritius, Sugar Manufacturer.
I, WILLIAM LLOYD WISE of 46 Lincoln's Inn, Fields in the County
London, Consulting Engineer and Patent Agent, do hereby declare the nature of
this invention to be as follows:-
:-
This invention relates to an improved construction of apparatus suitable for
cooling fluids generally and specially applicable for cooling, cane juice that has
been heated in the processes of maceration and diffusion. Apparatus for this
purpose comprises a cistern or bac constructed with a number of metallic plates
or partitions so arranged as to form a series of adjacent spaces the extremities of
which are so connected by junction pieces as to form two channels of considerable
length running side by side in a sinuous manner from end to end of the cistern or
bac. Each channel is provided with an inlet and outlet pipe.
.
"
The hot canc juice to be treated enters the apparatus through one inlet pipe and
after, circulating through one of the channels escapes by the corresponding
outlet pipe.
The cooling fluid for example water is caused to pass through the other channel
but in the opposite direction to that taken by the sugar juice from which it abstracts
heat by conduction and thus becomes heated.
The junction pieces herein before referred to may be made of metal or wood.
The metallic plates or partitions may be plain but are preferably undulated or
corrugated at those parts which are not held between the junction pieces or the
bottom of the cistern or bac. By this construction the area of the ccoling
surface is increased and the transfer of heat from one liquid to the other
facilitated.
The width of the channels should be as small as practicable in order to promote
a rapid transfer of heat but not so small as to interfere with the ready cleaning of
the apparatus. Furthermore the width should be sufficient to allow of holes, of a
suitable size being formed in the junction pieces. If the quantity of the sugar juice
to be cooled, is very considerable, the height of the apparatus must be increased
accordingly in order to allow of a number of holes being. provided in the junction
pieces. The cistern or bac.may advantageously be provided with a cover for
preventing the sugar juice coming in contact with the air and for facilitating the
transfer of heat.
The junction pieces when made of wood, should be plunged in hot drying oil, in
The
order to prevent absorption of cane-juice, and subsequent fermentation.
various parts of the apparatus may be held together by suitably arranged bolts.
Dated this 30th day of January 1892.

page_text: .
CODIT LIIE DIECIFICATION.
Improvements in Apparatus suitable for Cooling Cane-juice and
other substances.
A communication from CHARLES D'ABBADIE DE BARRAU, of the Island of
Mauritius, Sugar Manufacturer.
I, WILLIAM LLOYD WISE of 46 Lincoln's Inn Fields in the County of London,.
Consulting Engineer and Chartered Patent Agent, 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 :-
This invention relates to an improved construction of apparatus suitable for
cooling fluids generally, and specially applicable for cooling cane juice that has
been heated in the processes of maceration and diffusion.
In the accompanying drawings,
Figs. 1 and 2 are vertical sections taken in planes at right angles to each other,
and each partly in elevation, of apparatus of the kind referred to constructed
according to this invention.
The apparatus comprises a cistern or bac E constructed with a number of
metallic plates or partitions L so arranged as to form a series of adjacent.
spaces 123 etc. the ends of which are connected by junction pieces T having
passages T through them so as to form two channels of considerable length that
run side by side or parallel with each other in a sinuous manner from end to end
of the cistern or bac as shown. The channel represented by the uneven numbers
is provided with an inlet pipe A and an outlet pipe B. The channel represented
by the even numbers is provided with an inlet pipe A' and an outlet pipe B', these
latter inlet and outlet pipes being arranged oppositely to the others. The hot
fluid, for example cane juice, to be treated, enters the apparatus through the inlet
pipe A and after circulating through the corresponding channel escapes by the
outlet pipe B. The cooling fluid, for example water, is caused to enter the
apparatus through the inlet pipe A and after passing through the corresponding
channel but in the opposite direction to that taken by the sugar juice in the
adjacent channel and from which it abstracts heat by conduction, escapes by the
outlet pipe B¹.
The metallic plates or partitions L may be plain, but are preferably undulated
or corrugated at those parts as at L', which are not held between the junction
pieces T or between the lowermost of these pieces and the bottom of the cistern or
bac. By this construction the area of the cooling surface is increased and the
transfer of heat from one liquid to the other facilitated.
The depth of the channels that is to say the distance from one plate or partition L
to the next, should be as small as practicable in order to promote a rapid transfer
of heat, but not so small as to interfere with the ready cleaning of the apparatus.
A width of about four to five centimetres will usually be found convenient.
Furthermore the said depth should be sufficient to allow of holes T' of a suitable
size being formed in the junction pieces T to permit of the free flow of the
respective fluids. If the quantity of the sugar juice to be cooled is very consider-
able, the width or dimension Fig. 2 of the apparatus must be increased
accordingly, in order to allow of a greater number of holes T being provided in
the junction pieces T. The cistern or bac may advantageously be provided with a
cover for preventing the sugar juice coming in contact with the air and for
facilitating the transfer of heat.
The junction pieces T can be made of metal or wood. When made of wood,
they should be plunged into hot drying oil, in order to prevent absorption of cane
juice and subsequent fermentation. The various parts of the apparatus may be
held together by suitably arranged bolts as shown.

page_text: The apparatus can be supported so that the spaces 123 etc. are above each other
or are side by side.
Having now particularly described and ascertained the nature of the said inven-.
tion and in what manner the same is to be performed I declare that what I
claim is :-
Apparatus suitable for cooling cane juice and other fluids, comprising a cistern
or bac constructed with a number of metallic plates or partitions so arranged as to
form a series of adjacent spaces the ends of which are connected by perforated
junction pieces, the arrangement being such as to form two adjacent sinuous.
channels of considerable length, each provided with an inlet and outlet and through
one of which a fluid to be cooled can be caused to flow whilst a cooling agent is.
caused to flow through the other substantially as described and shown.
Dated this 21st day of September 1892.
W. LLOYD WISE,
Per F. J. Brougham.