Ice-Making Apparatus. Page: 7 of 7
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e13,668
rable to heat it.just before it enters. This I
accomplish by an apparatus, I, (see Fig. 1,) con-
structed after the manner of the condensing
and cooling cylinders, with upper and lower
drums i i and intermediate pipes j contained
in a cylindrical shell. To the lower drum the
strong liquor is fed from the absorber by the'
pipes k and circulating-pump J, and after trav-
ersing the pipej it is delivered through pipe
a5 into the generator. As it passes through
the apparatus I it is heated by the exhaust-
steam from the circulating-pumps JK L, which
discharge steam through pipes m , o into the
space about the pipe in the cylinder I.
Of the pumps required with this apparatus
the one J, just referred to, transfers the con-
centrated liquor from the absorber to the gen-
erator. K is the water-circulating pump, and
it takes water through the pipe p and sends a
current which divides at q, Fig. 4, one part
going through the condensers D and B, and
the other through the cooling-cylinders G G',
while the pump L serves, through pipes r r,
(see Figs. 3 and 4,) to keep up a constant cir-
culation between the absorber and the circu-
lating - pipes of the cooling - cylinders G G'.
This is rendered necessary by. reason of the
fact that the absorption of the ammonia-gas
at the bottom of the absorber heats the liquid,
so that it will not sufficiently take up fresh
quantities of the gas. This pump L takes out
this hot liquid and runs it through the poor-
liquid pipes in the cooling-cylinders G G'.
With respect to the feature of the interme-
diate condenser I do not claim, broadly, the-
location of such a condenser between the gen-
erator and condenser proper, but only the par-
ticular form of intermediate condenser con-
structed of a series of straight pipes connected
at the top by an end drum, and located upon-
and directly above the generator in vertical
position, so that the condensations of aqueous
vapors have a direct vertical fall into the gen-
erator, and are better able to overcome the
friction of the rising gas.
With respect to the operation of heatingthe enriched liquor before admitting it to the
generator, I am aware that in the patent to
Reece, October 1, 1872, it is proposed to heat
the enriched liquor before being used in his
so-called "analyzer" by the superfluous heat
of the hot and poor liquor on its way to the
absorber; and I therefore limit this feature of
my invention to the combination of the heater
with the exhaust-pipe of the steam-pumps,
whereby the heat of the exhaust-steam is util-
ized.
Having thus described my invention, what
I claim as new is-
1. The combination, with the generator and
the condenser of an ice-making apparatus, of
an intermediate condenser effecting communi-
cation between the two, constructed of a se-
ries of vertical and parallel tubes located upon
the top of the generator, and communicating
with said generator at the bottom and with a
drum at the top, substantially as and for the
purpose described.
2. The combination, with the generator and
the condenser, of the trap-cylinder C, consist-
ing of a vertical cylindrical shell having com-
munication with the generator at the bottom
and the condenser at the top, and provided
with a pipe, b' extending down into the said
shell, and communicating with the upper por-
tion of the generator, substantially as shown
and described.
3. The heating apparatus I, consisting of
an outer shell, with end drums and parallel
connecting-tubes, combined with the exhaust-
pipes of the steam-pump, the absorber, and
the generator, so as to heat the concentrated
liquid before entering the generator, substan-
tially as described.
The above specification of my invention
signed by me this 8th day of October, A. D.
1878.
CHARLES B. LEE
Witnesses:
SOLON C. KEMON,
EnDw. W. BTRN.
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Lee, Charles B. Ice-Making Apparatus., patent, March 25, 1879; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth169823/m1/7/: accessed June 24, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.