U.S. patent application number 11/814464 was filed with the patent office on 2009-11-26 for low oxygen vortex burner.
This patent application is currently assigned to General System Co., Ltd.. Invention is credited to Ronald D. Bell, Gil Hong Song.
Application Number | 20090288583 11/814464 |
Document ID | / |
Family ID | 38013655 |
Filed Date | 2009-11-26 |
United States Patent
Application |
20090288583 |
Kind Code |
A1 |
Song; Gil Hong ; et
al. |
November 26, 2009 |
LOW OXYGEN VORTEX BURNER
Abstract
A low oxygen vortex burner is provided. With the use of exhaust
gas discharged from a combined boiler internal combustion engine as
a supply source of air for re-combustion, it is possible to have
the exhaust gas discharged in a state of complete combustion and to
suppress the pollution of the natural environment due to the
exhaust gas. The low oxygen vortex burner includes: a frame 100
including a barrier plate 130 for segmenting an inlet space 110 and
a combustion chamber 120; an outer casing 220 having a plurality of
vortex pipes 400 arranged thereon with the same intervals in a
tangential direction of the outer casing so as to cause a vortex of
the exhaust gas introduced from said inlet space 110 of the frame
100; a nozzle 500 installed along an axial direction of said outer
casing 200 and injecting fuel for combustion; an orifice 800 formed
at a location corresponding to an end of said nozzle 500 and
passing the exhaust gas in the outer casing 200 and the fuel with a
higher speed for accelerating the combustion; a choke 700 formed at
the opposite side of said orifice 800 located at a side of said
combustion chamber 120 so as to re-circulate a flame within the
combustion chamber 120; and fire-resistive materials 600
surrounding the combustion chamber 120 except for said choke 700
and said orifice 800.
Inventors: |
Song; Gil Hong; (Seoul,
KR) ; Bell; Ronald D.; (Spring, TX) |
Correspondence
Address: |
Workman Nydegger;1000 Eagle Gate Tower
60 East South Temple
Salt Lake City
UT
84111
US
|
Assignee: |
General System Co., Ltd.
Gangnam-Ku, Seoul
KR
|
Family ID: |
38013655 |
Appl. No.: |
11/814464 |
Filed: |
January 26, 2007 |
PCT Filed: |
January 26, 2007 |
PCT NO: |
PCT/KR07/00478 |
371 Date: |
July 20, 2007 |
Current U.S.
Class: |
110/212 |
Current CPC
Class: |
F23G 2203/30 20130101;
F23G 7/065 20130101 |
Class at
Publication: |
110/212 |
International
Class: |
F23G 7/06 20060101
F23G007/06 |
Foreign Application Data
Date |
Code |
Application Number |
Jan 26, 2006 |
KR |
10-2006-0008415 |
Claims
1. A low oxygen vortex burner comprising: a frame 100 including a
barrier plate 130 for segmenting an inlet space 110 for receiving
exhaust gas and a combustion chamber 120; an outer casing 220
having a plurality of vortex pipes 400 arranged thereon with the
same intervals in a tangential direction of the outer casing so as
to cause a vortex of the exhaust gas introduced from said inlet
space 110 of the frame 100; a nozzle 500 installed along an axial
direction of said outer casing 200 and injecting fuel for
combustion; an orifice 800 formed at a location corresponding to an
end of said nozzle 500 and passing the exhaust gas in the outer
casing 200 and the fuel with a higher speed for accelerating the
combustion; a choke 700 formed at the opposite side of said orifice
800 located at a side of said combustion chamber 120 so as to
re-circulate a flame within the combustion chamber 120; and
fire-resistive materials 600 surrounding the combustion chamber 120
except for said choke 700 and said orifice 800.
2. A low oxygen vortex burner as claimed in claim 1, wherein said
inlet space 110 is formed with a connection hole 111 to which a
exhaust pipe of a combined boiler internal combustion engine is
coupled for discharging the exhaust gas.
3. A low oxygen vortex burner as claimed in claim 1, wherein said
outer casing 200 includes a funnel shape with a narrow exit.
4. A low oxygen vortex burner as claimed in claim 1, wherein each
of said vortex pipes 400 is installed on said outer casing 200 in
such a manner that an angle ranging from 20 to 60 is formed between
each of the vortex pipes 400 and the tangential line extended from
the circumference of the outer casing 200.
Description
TECHNICAL FIELD
[0001] The present invention relates to a low oxygen vortex burner
and more particularly to the burner, in which exhaust gas
discharged from a combined boiler internal combustion engine is
used as a supply source of air for combustion for allowing
re-combustion of the exhaust gas. The present invention makes it
possible to have the exhaust gas discharged in a state of complete
combustion and to suppress the pollution of the natural environment
due to the exhaust gas.
BACKGROUND ART
[0002] Generally, in an internal combustion engine, fuel is
supplied to a cylinder and expansion force of the gas obtained from
combustion and explosion causes a piston to reciprocate. On the
other hand, in a boiler, water is heated to generate hot water or
steam with high pressure and high temperature for the purpose of
supplying it to a heating facility, a bathroom or a turbine
drive.
[0003] Further, the combined boiler--internal combustion engine is
an apparatus in which waste heat of cooling water and the exhaust
gas from the internal combustion engine are utilized for operation
of the boiler. Since the waste heat and the hot water may be
obtained from the internal combustion engine without needing for an
additional combustor, energy saving is possible. Also, provided
that the boiler is equipped with a steam turbine, it is possible to
obtain an additional power source.
DISCLOSURE
[Technical Problem]
[0004] Such a conventional combined boiler--internal combustion
engine comprises: the internal combustion engine; a cooling water
circulating system including a water jacket, a boiler and the steam
turbine; and a heating conduit extending through the boiler and
attached to an end of a exhaust pipe through which the combustion
gas from the internal combustion engine flows. The cooling water,
which is heated to the high temperature after cooling the internal
combustion engine, flows into the boiler and the exhaust gas, which
is discharged from the internal combustion engine through the
exhaust pipe, heats the boiler while passing through the heating
conduit in the boiler. Accordingly, the cooling water with the high
temperature flowed into the boiler is heated to generate the steam.
The generated steam is condensed after driving the steam turbine
and flows into the cooling jacket for the internal combustion
engine by means of a circulation pump. The above-described
processes are repeated.
[0005] However, the above-described structure of the combined
boiler internal combustion engine includes a problem in that the
exhaust gas, which is generated from the internal combustion engine
when heating the cooling water in the boiler, is discharged out to
the environment without any treatment. Accordingly, destruction of
the environment as well as air pollution may occur.
[Technical Solution]
[0006] Accordingly, the present invention has been made to solve
the above-mentioned problems occurring in the prior art, and an
object of the present invention is to provide a low oxygen vortex
burner, in which the exhaust gas from the combined boiler internal
combustion engine is used as the supply source of air for
combustion so as to allow the exhaust gas to re-burn and the
cooling water to be re-heated thereby. In the present invention,
the thermal efficiency of the boiler is significantly enhanced and,
at the same time, the exhaust gas is discharged in the state of the
complete combustion. Accordingly, the low oxygen vortex burner of
the present invention makes it possible to suppress the pollution
of the natural environment due to the exhaust gas.
[Advantageous Effects]
[0007] In the present invention, the exhaust gas discharged from
the combined boiler internal combustion engine flows into an inlet
space and thereafter a vortex of the exhaust gas may occur due to
an outer casing. In a state that the exhaust gas is mixed with the
fuel injected through a nozzle, the vortex of the exhaust gas is
further mixed with the fuel injected through the nozzle while
passing through an orifice. The mixture of the exhaust gas and the
fuel is supplied into a combustion chamber to burn therein. Flame
occurring in the combustion chamber may be re-circulated therein by
a choke, so that even an incompletely-burnt portion of the fuel may
burn thereby. Accordingly, energy saving is possible and the
thermal efficiency of the boiler may be enhanced.
[0008] Further, since the exhaust gas is discharged in a state of
the complete combustion, the present invention makes it possible to
suppress the pollution of the natural environment due to the
exhaust gas.
DESCRIPTION OF DRAWINGS
[0009] The foregoing and other objects, features and advantages of
the present invention will become more apparent from the following
detailed description when taken in conjunction with the
accompanying drawings in which:
[0010] FIG. 1 is a cross-sectional view of a low oxygen vortex
burner in accordance with the present invention; and
[0011] FIG. 2 is a cut-away view taken along the line A A of FIG.
1.
BEST MODE
[0012] In order to accomplish these objects, in accordance with the
present invention, there is provided a low oxygen vortex burner
comprising: a frame 100 including a barrier plate 130 for
segmenting an inlet space 110 for receiving exhaust gas and a
combustion chamber 120; an outer casing 220 having a plurality of
vortex pipes 400 arranged thereon with the same intervals in a
tangential direction of the outer casing so as to cause a vortex of
the exhaust gas introduced from said inlet space 110 of the frame
100; a nozzle 500 installed along an axial direction of said outer
casing 200 and injecting fuel for combustion; an orifice 800 formed
at a location corresponding to an end of said nozzle 500 and
passing the exhaust gas in the outer casing 200 and the fuel in a
higher speed for accelerating the combustion; a choke 700 formed at
the opposite side of said orifice 800 located at a side of said
combustion chamber 120 so as to re-circulate a flame in the
combustion chamber 120; and fire-resistive materials 600
surrounding the combustion chamber 120 except for said choke 700
and said orifice 800.
[0013] In the present invention, the exhaust gas discharged from
the combined boiler internal combustion engine flows into the inlet
space 110 and then enters the outer casing 200 through the vortex
pipes 400 while causing the vortex flow. The exhaust gas is mixed
with the fuel injected through the nozzle 500. The mixture of the
exhaust gas and the fuel is supplied to the combustion chamber 120
through the orifice 800 with the higher speed for combustion. The
flame occurring in the combustion chamber 120 may be re-circulated
therein by means of the choke 700. At the same time, the
fire-resistive materials 600 reflect radiated heat toward the
mixture of the fuel and the exhausted gas injected into the
combustion chamber 120. Accordingly, the flame may be stabilized
and soot and smoke due to oxidation may be prevented.
[Mode for Invention]
[0014] Hereinafter, preferred embodiments of the present invention
will be described with reference to the accompanying drawings.
[0015] Referring to FIGS. 1 and 2, a cross-sectional of an
embodiment of a low oxygen vortex burner of the present invention
and a cross-sectional view of an outer casing including vortex
pipes are illustrated.
[0016] As illustrated in FIGS. 1 and 2, in the low oxygen vortex
burner of the present invention, a barrier plate 130 is installed
in a frame 100 so as to segment a combustion chamber 120 and an
inlet space 110. An outer casing 200, which is installed in the
inlet space 110, has a plurality of vortex pipes 400 arranged
thereon with the same interval in a tangential direction of the
outer casing 200. A nozzle 500 for injecting fuel into a combustion
chamber 120 fixedly extends in the outer casing 200 along an axial
direction of the outer casing 200.
[0017] At a location corresponding to an end of the nozzle 500, an
orifice 800 is formed. The exhaust gas introduced into the outer
casing 200 and the fuel injected through the nozzle 500 pass
through the orifice 800 in a mixed state with an accelerated speed.
The mixture is supplied to the combustion chamber 120 for
combustion therein.
[0018] At the opposite side of the orifice 800 located at a side of
the combustion chamber 120, a choke 700 is formed so as to
re-circulate the flame in the combustion chamber 120.
Fire-resistive materials 600 surround the combustion chamber 120
except for the choke 700 and the orifice 800, so as to reflect
radiation heat toward the fuel mixed with the exhaust gas and to
prevent the frame 100 forming the combustion chamber 120 from being
deformed due to the high temperature of the flame.
[0019] A connection hole 111 is formed at a side of the inlet space
110 so as to be coupled to an exhaust pipe (not shown) of the
combined boiler internal combustion engine. The exhaust gas
discharged from the boiler internal combustion engine flows into
the inlet space through the exhaust pipe coupled to the connection
hole 111.
[0020] The outer casing 200 installed in the inlet space 110 has a
funnel shape formed with a narrow exit end. Accordingly, the
exhaust gas introduced into the outer casing 200 through the vortex
pipes 400 is guided toward the combustion chamber 120.
[0021] On the other hand, the vortex pipes 200 are fixed to the
outer casing 200 in such a manner that an angle ranging from 20 to
60 is formed between each of the vortex pipes 400 and the
tangential line extended from the circumference of the outer casing
200. Accordingly, the vortex may occur due to contact of the
exhaust gas to an inner surface of the outer casing 200 while the
exhaust gas is being introduced into the outer casing 200.
[0022] In the operation of the present invention, the exhaust gas
discharged from the combined boiler internal combustion engine
flows into the inlet space 110 though the connection hole 111
coupled to the exhaust pipe, and then it is guided by the vortex
pipes 400 into the outer casing 200. Afterward, the exhaust gas
contacts the inner surface of the outer casing 200 to cause the
vortex and then it flows to the funnel-shaped exit of the outer
casing 200.
[0023] Here, through the nozzle 500 extending along the axial
direction of the outer casing 200, the fuel is injected into the
combustion chamber 120 while being mixed with the exhausted
gas.
[0024] As described herein before, the mixture of the fuel and the
exhaust gas may be supplied to the combustion chamber 120 through
the orifice 800 with the higher speed. In the combustion chamber
120, the fuel may burn in such a manner that the flame occurs while
the radiation heat reflected by the fire-resistive materials 600 is
inwardly directed toward the combustion chamber 120. Also, the
flame may be re-circulated within the combustion chamber 120 by the
choke 700, which is located at the opposite end of the orifice 800.
Accordingly, an incomplete-burnt portion of the fuel may burn
exhaustedly.
INDUSTRIAL APPLICABILITY
[0025] As described herein before, in the present invention, the
exhaust gas discharged from the combined boiler internal combustion
engine flows into the inlet space and thereafter the vortex of the
exhaust gas occurs due to the outer casing. In a state that the
vortex of the exhaust gas is mixed with the fuel injected through
the nozzle, the exhaust gas is further mixed with the fuel injected
through the nozzle while passing through the orifice. The mixture
of the exhaust gas and the fuel is supplied into the combustion
chamber to burn therein. The flame occurred in the combustion
chamber may be-circulated therein by the choke, so that even the
incomplete-burnt portion of the fuel may burn thereby. Accordingly,
energy saving is possible and the thermal efficiency of the boiler
is enhanced. Furthermore, it is possible to prevent the destruction
of the natural environment due to the exhaust gas.
[0026] Although several preferred embodiments of the present
invention have been described for illustrative purposes, those
skilled in the art will appreciate that various modifications,
additions and substitutions are possible, without departing from
the scope and spirit of the invention as disclosed in the
accompanying claims.
* * * * *