Improvements in Sugar Mills.
Year: 1891

page_text: COMPLETE SPECIFICATION.
[Communicated from abroad by JOHN CLAXTON RILEY, a citizen of the United
States, residing at New Orleans, in the Parish of Orleans, and State of
Louisiana.]
Improvements in Sugar Mills.
I, WILLIAM JULIUS MIRRLEES, of the Mirrlees Watson & Yaryan_Company,
Limited, 45 Scotland Street, Glasgow, North Britain, Engineers, 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:-
My invention relates to a force feeder for feeding bagasse between the rollers of
a regrinding mill or for pressing or repressing the chips of cane which have been
exhausted by the diffusion process.
In such mills the rollers should be adjusted in close contact in order to obtain a
good extraction of juice, and as the bagasse or chips do not then readily enter
between the rollers it becomes necessary to provide some means for facilitating a
positive and regular feed of the bagasse or chips so as to effect a perfect and
economical operation of the mill.
In order that my invention may be properly understood and readily carried into
effect I have hereunto appended one explanatory sheet of drawing, of which
Figure 1 shows a vertical section through the rollers of a two roller sugar mill
and a force feeder applied to it.
An endless carrier A brings the bagasse from the first mill (not shown) where
the sugar canes have been subjected to a first pressure, or the chips from the
diffusion cells and delivers them on to a chute B extending the whole length of the
mill rollers C and the same width as carrier A. The chute B is stationary, and
has sides D forming a continuation of the sides E of carrier A. At the lower end
of chute B is a stationary table F of the whole length of the mill rollers C. This
table F serves to prevent the bagasse which falls down the chute B from coming
in contact with the lower roller, so that any absorption of the juice which runs
down the lower roller by the bagasse is prevented. On the upper surface of this
table F is a plate G of the same length of the mill rollers C, and arranged so as to
have a backward and forward motion, and at its forward motion to penetrate between
the mill rollers C to near the point where the circumferences touch each other.
A flexible apron of rubber or leather H, resting on plate G, and fastened to chute B
by one edge prevents any bagasse from being drawn backward by the backward
motion of plate G. The backward and forward motion of plate G is obtained by
means of the rods O connected to the two arms I fastened to a rocking shaft .J,
(see Figure 2) which extends across the mill and is supported on standards K.
The shaft J receives its motion through a suitable connection L and arm M either
from an eccentric or crank P.
In order to overcome any irregularities in the bagasse I provide the connection L
with a spiral spring Q.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed I declare that what I
claim is :-
:-
The general arrangement and combination of the parts for feeding bagasse

page_text: between the rollers of a sugar mill for regrinding substantially as hereinbefore
described and shown on the accompanying sheet of drawings.
Dated this 16th day of October 1891.
BOTTOMLEY & LIDDLE,
154, St. Vincent Street, Glasgow, Applicant's Agents.