IMPROVEMENTS IN MACHINERY OR APPARATUS FOR TREATING SUGAR-CANE
Year: 1885

page_text: I, GEORGE BUCHANAN of 25 Bucklersbury in the City of London Engineer do
hereby declare the nature of my invention for "IMPROVEMENTS IN MACHINERY
OR APPARATUS FOR TREATING SUGAR-CANE" to be as follows:-
This invention has for its object improvements in machinery or apparatus for
treating sugar-cane.
When the sugar-cane has been passed through an ordinary cane mill and
reduced to what is called megass it still contains a considerable quantity of juice
To extract this juice I employ a separate mill quite independent of the first and
constructed in the following manner.
It has a pair of rolls of much larger diameter moving at a much less speed and
shorter than the ordinary rolls of a cane mill. The upper roll is not vertically over
the lower but the axes of the two rolls are in a plane inclined at an angle of about
60 degrees to the horizontal The rollers are driven by means of an engine on the
same bed plate with the standards which carry the rolls. The whole being
complete on one base plate and requiring little or no foundation. The engine is
geared with the upper roll.
The crank shaft of the engine at its outer end carries a fly wheel overhanging
the end of the bed plate; this shaft has a pinion upon it driving a spur wheel on
a first intermediate shaft. This intermediate shaft crosses over the engine from
side to side. On the outer side is the spur wheel driven by the pinion on the crank
shaft and on the inner side is a pinion driving a spur wheel on a second intermediate
shaft. The second intermediate shaft carries also a pinion in gear with the spur
wheel on the neck of the upper roll of the mill.
This arrangement of gear is applicable also to the three roller and other mills
such as are employed for the first crushing of the canes.
The megass is led from the cane mill to the two roller megass mill by a conducting
trough which deposits it on to an endless feed apron and the apron conveys it to
the nip of the rolls on the under side. The megass before entering the rolls is
sprayed with water, hot by preference, issuing from a finely perforated pipe to which
the water is supplied under pressure. After passing between the rolls the megass
is delivered on to a second endless apron by which it is carried away. These
aprons are driven by means of a chain wheel on the axis of the lower roll.
A pitched chain passes over the chain wheel and embraces two chain pinions
which are one on either side of the roll and on the axes of the rollers over which
the inner ends of the two endless aprons pass.
This noth of Wahm1005

page_text: Sugar Cane.
I GEORGE BUCHANAN of 25 Bucklersbury in the City of London 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:—
This invention has for its object improvements in machinery or apparatus for
treating sugar cane.
When the sugar cane has been passed through an ordinary cane mill and reduced
to what is called megass it still contains a considerable quantity of juice. To
extract this juice I employ a separate mill quite independent of the first and
constructed in the following manner.
It has a pair of rolls of much larger diameter moving at a much less speed and
shorter than the ordinary rolls of a cane mill. The upper roll preferably is not
vertically over the lower but the axes of the two rolls are in a plane inclined at an
angle of about 60 degrees to the horizontal. The rollers are driven by means of an
engine on the same bed plate with the standards which carry the rolls. The whole
being complete on one base plate and requiring little or no foundation. The engine
is geared with the upper roll.
The crank shaft of the engine at its outer end carries a fly wheel overhanging the
end of the bed plate; this shaft has a pinion upon it driving a spur wheel on a
first intermediate shaft. This intermediate shaft crosses over the engine from side
to side. On the outer side is the spur wheel driven by the pinion on the crank
shaft and on the inner side is a pinion driving a spur wheel on a second intermediate
shaft. The second intermediate shaft carries also a pinion in gear with the spur
wheel on the neck of the upper roll of the mill.
This arrangement of gear is applicable also to the three roller and other mills
such as are employed for the first crushing of the canes.
The megass is led from the cane mill to the two roller megass mill by a
conducting trough which deposits it on to an endless feed apron and the apron
conveys it to the nip of the rolls. The megass before entering the rolls should be
sprayed with water, hot by preference, issuing from a finely perforated pipe to
which the water is supplied. The apron is driven by means of a chain wheel on
the axis of the lower roll.
In order that my said invention may be most fully understood and readily carried
into effect I will proceed to describe the drawings hereunto annexed.
DESCRIPTION OF THE DRAWINGS.
Figure 1 is an end elevation.
Figure 2 is a rear elevation and Figure 3 is a plan of a megass mill constructed
in accordance with my invention
1

page_text: it to the megass rolls and also apron which receives the pressed megass or trash as
it leaves the megass rolls and elevates it into a cart or other receptacle.
a a is the framing of the mill, b is the upper and c the lower roll, d is the
cylinder of the engine by which the rolls are driven, it is on the same bed plate
with the standards in which are the bearings for the necks of the rolls, e is the
crank shaft of the engine and f the fly wheel thereon, g is a pinion on the shaft e
engaging with a wheel on the intermediate shaft which crosses over the engine,
k is a pinion on the shaft i in gear with a wheel on the second intermediate
shaft m.
n is a pinion on the shaft m driving a wheel o on the neck of the upper
roll b. p and q are wheels on the necks of the rolls b and c by which the rolls are
geared together. r is a chain flange on the side of the wheel q it receives a pitch
chain and thereby drives the endless apron 8 represented in Figure 4.
perforated pipe for spraying the megass with hot water.
u is a
Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed I declare that what
I claim is
1. In a mill for crushing cane or megass the arrangement of gearing herein
described in which there is an engine on the same bed plate with the standards
carrying the rolls a fly wheel overhanging the bed plate a first intermediate shaft
crossing over the engine a second intermediate shaft and spur gear connecting the
crank shaft of the engine with the rolls through the two intermediate shafts.
2. A megass mill with two slow speeded short rolls of large diameter and with
an apron or conveyor bringing the megass from the cane mill to the lower side of
the nip.
3. A megass mill substantially as described and represented in the annexed
drawings.