Improvements in Smoke-consuming Furnaces.
Year: 1894

page_text: Date of Application, 15th Jan., 1894
Complete Specification Left, 15th Oct., 1894-Accepted, 24th Nov., 1894
Improvements in Smoke-consuming Furnaces.
I, WLADIMIR KHLEBNIKOFF, of 11, Liteyny Prosp., St. Petersburg in the
Empire of Russia, Engineer-Technologist, do hereby declare the nature of this
invention to be as follows:-
My invention has for its object a method of consuming smoke in the furnaces of
all kinds and especially in steam boiler furnaces.
My improved method consists in injecting a mixture of steam and air or steam
alone in a direction opposite to that of the draught or at a more or less considerable
angle to such direction.
To this end I fix in the walls of the furnace tubes or nozzles for the injection of
steam and air or steam alone and I arrange these tubes in the back wall of the
furnace or in its side walls, or in the roof according to the special arrangement of
the furnace. By thus injecting steam and air or steam alone in a direction opposite
to that of the draught or at an angle to such direction I ensure such a perfect
mixture of the gases in the furnace that the combustion of all smoke thereby
becomes complete.
It is obvious that the size and the number and arrangement of the injecting
tubes may be varied according to the dimensions and the kind of furnace in which
they are to be used.
It will be seen that the method above specified is essentially different from the
injection of steam in the direction of the draught which is sometimes used for
forcing the draught and which has scarcely any influence on the intimate mixing
of the furnace gases attained by my improved method. I may however employ
both systems of injecting tubes simultaneously if it should be desirable not only to
consume the smoke but also to be able to force the draught.
According to my invention I arrange in the furnace a steam conducting tube by
which steam is admitted to all the injecting nozzles, which nozzles are arranged in
the back wall of the furnace. Ordinary injecting tubes are also arranged in the
front part of the furnace and suitable regulating valves or cocks are provided by
means of which the injection can be controlled at will.
In applying my invention to a Babcock and Wilcox boiler I arrange my injecting
nozzles in a downward direction and I also provide back and side nozzles. For
forcing the draught in case the diameter of the chimney is not sufficient ordinary
draught forcing tubes may also be employed. I also provide regulating valves or
cocks; and openings for the admixture of air if necessary.
Dated this 15th day of January 1894.
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, W.C., Agents for the Applicant.
COMPLETE SPECIFICATION.
Improvements in Smoke-consuming Furnaces.
I, WLADIMIR KHLEBNIKOFF, of 11 Liteyny Prosp., St. Petersburg, in the
Empire of Russia, Engineer-Technologist, 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 has for its object a method of consuming smoke in the furnaces of
all kinds and especially in steam boiler furnaces.

page_text: My improved method consists in injecting a mixture of steam and air or steam
alone in a direction opposite to that of the draught or at a more or less considerable
angle to such direction.
To this end I fix in the walls of the furnace tubes or nozzles for the injection of
steam and air or steam alone and I arrange these tubes in the back wall of the
furnace or in its side wall, or in the roof according to the special arrangement of
the furnace. By thus injecting steam and air or steam alone in a direction opposite
to that of the draught or at an angle to such direction I ensure such a perfect
mixture of the gases in the furnace that the combustion of all smoke thereby
becomes complete.
It is obvious that the size, and the number and arrangement of the injecting
tubes may be varied according to the dimensions and the kind of the furnace in
which they are to be used.
It will be seen that the method above specified is essentially different from the
injection of steam in the direction of the draught which is sometimes used for 1
forcing the draught and which has scarcely any influence on the intimately mixing
of the furnace gases attained by my improved method. I may however employ
both systems of injecting tubes simultaneously if it should be desirable not only to
consume the smoke but also to be able to force the draught.
In the accompanying drawing I have illustrated the manner in which my
invention may be conveniently and advantageously carried into practice.
Figure 1 is a horizontal section of a furnace for a Schmidt steam boiler showing
the application of my invention thereto.
Figure 2 is a vertical section of the same.
Figure 3 is a plan of a Babcock and Wilcox boiler with my invention applied
thereto.
Figure 4 is a side elevation of the same partly in section.
Referring to Figures 1 and 2, a, a, a are steam pipes by means of which steam is
admitted to all the injecting nozzles b, b, b which nozzles are arranged in the back
wall of the furnace. Injecting tubes c, c, c are also arranged in the front part of
the furnace, and suitable regulating valves or cocks d d are provided by means of
which the admission of steam to the furnace can be controlled as desired.
In applying my invention to a Babcock and Wilcox boiler e, e and ƒƒ are
injecting nozzles arranged to act in a downward direction; g, y are rear nozzles
arranged in the back wall of the furnace and h h are other nozzles arranged in the
side walls of furnace. For forcing the draught in case the diameter of the chimney
is not sufficient, ordinary draught forcing tubes k, k may also be employed. I also
provide regulating valves or cocks 1, 1, 1 and openings m m and n n for the
admixture of air if necessary.
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 method of consuming smoke in furnaces by injecting steam and air or steam
alone in a direction opposite to that of the draught or at a greater or less angle to
such direction, by means of injecting nozzles conveniently arranged in the walls or .
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, W.C., Agents for the Applicant.