Centrifugal Machine Operating Continuously, Automatically Emptied, and Provided with a Regulator.
Year: 1890

page_text: Date of Application. 20th May, 1890
Complete Specification Left, 29th Dec., 1890-Accepted, 21st Feb:; 1891
.
PROVISIONAL SPECIFICATION.
Centrifugal Machine Operating Continuously, Automatically
Emptied, and Provided with a Regulator.
We, IGNATZ SZCZENIOWSKI, and GUSTAV PLATKOWSKI, of Kapusciany,
Russia, Engineers, do hereby declare the nature of this invention to be as
follows:-
This invention refers to centrifugal machines in which the material required to
be separated or clarified is driven upwardly by centrifugal power between the
double walls of an inverted frustrum or conical sieve drum arranged so that its
widest part is at the top.
The object of this invention is the application to these centrifugal machines of a
contrivance, by means of which, the outlet of the material from the sieve drum can
be regulated according to requirements.
This invention consists in providing the lid or cover with a vertical cylindrical
casing surrounding the drum, and which according as the lid or cover is raised or
lowered the outlet from the drum increases more or less and hence regulates the
escape of the material over or through an annular ring which rotates with the
drum.
T
ML... 1000
H. GARDNER,
Patent Agent, 166, Fleet Street, London,
Agent for the said Ignatz Szczeniowski and Gustav Piatkowski.
COMPLETE SPECIFICATION.
Centrifugal Machine Operating Continuously, Automatically
Emptied, and Provided with a Regulator.
We, IGNATZ SZCZENIOWSKI and GUSTAV PLATKOWSKI, both of Kapusciany,
Russia, 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 :-
This invention refers to centrifugal machines, in which the material required to
be separated from fluid is driven upwardly by centrifugal power between the double
walls of an inverted frustrum or conical sieve drum arranged so that its widest
part is at the top.
The object of this invention is the application to these centrifugal separating
machines of a contrivance, by means of which, the outlet of the material from the
sieve drum can be regulated according to requirements.
This invention consists in providing the lid or cover with a vertical cylindrical
casing surrounding the drum, and which, according as the lid or cover is raised or
lowered, the outlet from the drum increases more or less, and hence regulates the
escape of the material over or through an annular opening or channel which is
formed between the under side of the lid and the upper edge of the cylindrical
casing.
In the accompanying drawings,
Figure 1 is a vertical section of a machine arranged according to our invention,
Figure 2 being a horizontal section on line, r, of Figure 1.
E. Figure 1, is the conical sieve drum which is mounted upon the main shaft Cx
set in motion by the driving pulley D. The material requiring to be separated
from the fluid is conducted through a pipe R to a chamber at the bottoni of the
drum E and is thence driven by centrifugal power into the space P formed
ח.

page_text: between the casings of the drum. The centrifugal power acting in this space P
produces two sets of forces, one of which is parallel and the other perpendicular to
the casing of the drum. The first force drives the solid inaterial in an upward
direction through the space P, while the second force acts outwardly on the liquid
component parts thereof through the outer perforated casing of the cylinder, which
is provided inwardly with a sieve. The egress of the solid material from the mouth
of the drum is carried on uninterruptedly with the aid of the arrangement hereinafter
described.
Over the mouth of the drum is arranged a lid or cover provided centrally with
a nave S and carried with it upon a bush or sleeve C.... The latter is furnished
with a screw thread at its upper end and works through a nut M which is arranged
to turn freely within a branch B carried by the frame A of the machine. The
nut, M can be turned in either direction by means of a hand wheel fixed thereto, so
that the sleeve C and the lid or cover H can be raised or lowered according to
requirements. The lid II carries upon its periphery the scrapers G, G, and between
these scraper blades and the mouth of the drum is a vertical cylindrical casing E",
provided with perforations as a sieve. This cylindrical casing E" is at a small
distance from the lid or cover and is so connected therewith by means of a number.
of stays, or bolts, or in any other suitable manner, that an annular opening or
channel J is formed between the upper edge of the casing E" and the underside of
the lid or cover H, through which channel, the solid material issuing above from
the drum E must pass in order to reach the hood O surrounding the lid or
cover.
This opening or channel J is obtained by connecting the casing E some
distance from the cover I to the latter by means of stays or bolts, which are
fastened on the one hand to the cover H, and on the other hand to an annular
flange (angle iron) Z fixed on the casing E" near the upper edge of the latter.
Therefore the opening J is not continuous but interrupted by the stays.
The material delivered from the fluid leaves the drum E and gains the channel.
by creeping along the upper end of the inner wall of the casing E" upwardly.
The hood is firmly connected with the sleeve or sheath C and is raised and
lowered with the latter, so as to constantly retain the same position relatively to
the said lid or cover.
From the hood O branch lateral pipes R*, Figure 2, through which the material
arrived at O is conveyed outside.
The cylindrical casing E suspended to the lid H is connected with the outer
casing of the drum E in such a manner that the former casing E" must participate
in the rotary motion of the drum, being however raised or lowered relatively to the
latter. The lid H with its scrapers G, G, receives also its rotary motion from the
drum E by means of the casing E", the said lid could however be mounted upon
the main shaft, the latter extending upwardly and being made hollow at its upper
part for the purpose of feeding the material through the same.
When the lid or cover H and its casing E" assume the position shown in Figure 1,
the material can travel uninterruptedly from the drum E and through the annular
channel or opening J to O. When however the said lid or cover H is raised with
its casing E gradually higher, the latter is pushed before the mouth of the drum E
in such a manner that the component force of the centrifugal power which force acts
parallel to the drum casing must increase constantly on the one hand in order to
drive the material upwardly while on the other hand the egressing material must
ascend along the inner walls of the casing E" in order to reach the hood O through
the annular channel or opening J, that is to say, the higher the casing E" is raised,
the slower will the material travel upwardly between the drum casings and be
propelled along the inner walls of the casing E" through the annular channel or
opening and in the hood O, and the longer will act the component force of the
centrifugal power directed perpendicularly to the drum casing, and if desired steam
could be made to act upon the material, the inverse action takes place the lower the
casing E is let down.

page_text: By placing the lid or cover H and the casing E" at a high or low position, the
resistance opposed to the egress of the material placed in the drum E is increased
or diminished, whereby the material is freed from its liquid component parts more
or less and in a slower and quicker manner.
It should be finally mentioned that it would be requisite, in case the machine
was used for delivering sugar filling masses from the fluid to arrange within the
frame A, Figure 1, and around the drum E an annular trough open centrally in
order to receive the white syrup.
Having now particularly described and ascertained the nature of this inven-
tion and in what manner the same is to be performed we declare that what we
claim is
A centrifugal machine, operating uninterruptedly, in which the rotating lid or
cover Harranged above the conical drum E and movable up and down is connected
with a straight cylindrical casing E" in such a manner that according as the lid or
cover is placed higher or lower, the cylindrical casing E" is pushed more or less in
front of the mouth of the drum and hence retards or accelerates the egress of the
material through the annular opening or channel J formed between the underside
of the cover H and the upper edge of the casing E", as described with regard to the
annexed drawings.
ليوم
1000
H. GARDNER,
Patent Agent, 166, Fleet Street, London,
Agent for the said Ignatz Szczeniowski and Gustav Piatkowski.