Improvements in the Method of and Apparatus for Separating Lubricants from Boiler Feed Water.
Year: 1895

page_text: Date of Application, 1st Feb., 1895
Complete Specification Left, 23rd Oct., 1895-Accepted, 23rd Nov., 1895
PROVISIONAL SPECIFICATION.
Improvements in the Method of and Apparatus for Separating
Lubricants from Boiler Feed Water.
I OSSIAN IRENES SIMONSSON, of Gothenburg in the Kingdom of Sweden, do
hereby declare the nature of this invention to be as follows:-
It is well known that when lubricants such as oil, grease etc. are fed into boilers
with the feed-water, those matters settle on the inside of the boiler and act much
in the same manner as the scale caused by impurities in the water, and that they
are the cause of what is called priming. The object of this invention is to provide
a method of and apparatus for removing such lubricants from feed-water, when it
enters the boiler.
The invention consists broadly in providing inside the boiler a vessel or tank
placed under the waterline, which is open at the lower end, through which opening
it communicates with the boiler. A pipe which enters the lower end of this vessel
in an upward direction communicates also with the apparatus (such as pumps,
injectors etc.) which feed the boiler. The upper end of the vessel is closed and by
means of pipe and valve may be made to communicate with the outside of the
boiler, through which the grease, which enters the boiler and collects at the upper
end of the vessel or tank, is blown off at suitable intervals.
The feed water pipe should preferably be so directed as to cause the feed water
to flow upward when it enters the said vessel. Openings are provided at the lower
end of the vessel in order that the feed water may enter the boiler through them.
These openings may be of any suitable arrangement or form. The said vessel
is also provided with a conical shaped top, which by means of the pipe and valve
may be placed in communication with the outside of the boiler, but is ordinarily
closed.
The feed water being forced into the vessel upward through the pipe, rises in
the vessel or tank, and the oil, grease and other fatty matter that the feed water
may contain will collect in the top of said vessel on account of its lightness while
the water turns and sinks down entering the boiler through the openings at the
bottom of the said vessel. At suitable intervals the blow off valve is opened
whereby the grease is blown off from the vessel.
The openings may be of wedge-shaped formn punched out in such a manner as
to leave a flap which will aid in directing downward the flow of the water when
entering the boiler.
Dated this 1st day of February 1895.
TTR 17
HERBERT HADDAN & Co.,
Agents to the Applicant.

page_text: COMPLETE SPECIFICATION.
Improvements in the Method of and Apparatus for Separating
Lubricants from Boiler Feed Water.
I, OSSIAN IRENES SIMONSSON, of Gothenburg in the Kingdom of Sweden, do
hereby declare the nature of this invention ard in what manner the same is to be
performed, to be particularly described in and by the following statement :-
It is well known that when lubricants such as oil, grease etc. are fed into boilers
with the feed water, those matters settle on the inside of the boiler and act much
in the same manner as the scale caused by impurities in the water, and that they
are the cause of what is called priming.
The object of this invention is to provide a method of and apparatus for removing
such lubricants from feed-water, when it enters the boiler.
The invention consists broadly in providing inside the boiler a vessel or tank
laced under the water-line, which is open at the lower end, through which opening
it. communicates with the boiler. A. pipe, which enters the lower end of this
vessel in an upward direction, communicates also with the apparatus (such as
pumps, injectors etc.) which feed the boiler. The upper end of the vessel is closed
and by means of pipe and valve may be made to communicate with the outside of
the boiler, through which the grease, which enters the boiler and collects at the
upper end of the vessel or tank, is blown off at suitable intervals.
In the accompanying drawing Fig. 1 represents such an apparatus and a part of
the inside of a steam boiler in section. Fig. 2 is a sectional plan view of the same
and Fig. 3 shows a modification.
In Fig. 1 a represents the boiler wall or plate. A pipe d leading from the feed
water apparatus and provided with a valve b enters said wall and leads into the
lower part of a vessel or tank g, which is placed inside the boiler preferably below
the water-line. The feed water pipe should preferably be so directed as to cause
the feed water to flow upward, when it enters the said vessel 9. Openings are
provided at the lower end of the vessel in order that the feed water may enter the
boiler through them. Those openings may be of any suitable arrangement or form,
such as for example, perforations h as shown in Fig. 1. The said vessel g is also
provided with a conical shaped top, which by means of the pipe and valve c may
be placed in communication with the outside of the boiler, but is ordinarily
closed.
The feed-water being forced into the vessel upward through the pipe d rises in
the vessel or tank g and the oil, grease and other fatty matter, that the feed water
may contain, will collect in the top of said vessel on account of its lightness, while
the water turns and sinks down entering the boiler through the openings at the
bottom of the said vessel. At suitable intervals the blow-off valve c is opened,
whereby the grease is blown off from the vessel through the pipe f.
In Fig. 2 is shown openings e¹ of a wedge-shaped form punched out in such a
manner as to leave a flap which will aid in directing downward the flow of the
water, when entering the boiler.
I have now shown one way of carrying out my invention and it should be
unnecessary to mention that the apparatus may be of any other suitable arrangement
that will accomplish the same result in the same manner.
Having now particularly described and ascertained the nature of this inven-
tion and in what manner the same is to be performed, I declare that what I
claim is ;-
1. The method of separating, inside a boiler, the lubricants that the feed water
may contain, which consists in causing the feed water to enter a vessel and to sink
down into the boiler through openings at or near the bottom of the said vessel, and

page_text: blowing the lubricants from the top of the vessel at suitable intervals substantially
as set forth.
2. The method of separating inside a boiler the lubricants that the feed water
may contain, which consists in causing the feed water to enter the lower part of a
vessel in an upward direction, and to turn and sink down into the boiler through
openings in the lower part and blowing off the lubricants from the top of said
vessel at suitable intervals, substantially as set forth.
3. The combination with a boiler of a vessel placed wholly or partly below the
waterline and provided with openings at the lower part, a pipe entering the said
vessel and communicating with the feed-water source and a pipe and valve by
means of which the upper part of said vessel may be made to communicate with
the outside of the boiler.
4. The combination with a boiler of a vessel placed inside the same wholly or
partly below the waterline, communicating at its lower part, by means of suitable
pipes and valves, with the feed water source and by means of openings with the
inside of the boiler, and communicating at its upper part, by means of suitable
pipes and valves, with the outside of the boiler, substantially as set forth.
5. The combination with a boiler of a vessel placed below the waterline and
provided with openings at the lower part, a pipe entering the lower part of said
vessel in an upward direction and communicating with the feed water source, and a
pipe and valve, by means of which the upper part of said vessel may be made to
communicate with the outside of said boiler, substantially as described.
Dated this 23rd day of October 1895
HERBERT HADDAN & Co.,
18, Buckingham Street, Strand, London, W.C.,
Agents to the Applicant.