CN112050218A - Oil-gas dual-fuel burner - Google Patents
Oil-gas dual-fuel burner Download PDFInfo
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- CN112050218A CN112050218A CN202010886242.0A CN202010886242A CN112050218A CN 112050218 A CN112050218 A CN 112050218A CN 202010886242 A CN202010886242 A CN 202010886242A CN 112050218 A CN112050218 A CN 112050218A
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- air
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- combustion chamber
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- supply assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D17/00—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel
- F23D17/002—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel gaseous or liquid fuel
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Spray-Type Burners (AREA)
Abstract
The invention discloses an oil-gas dual-fuel combustor and relates to the technical field of combustors. The invention includes a hybrid combustor; the fire outlet end of the mixed combustion chamber is provided with a cylindrical gathering pipe; an igniter is arranged at the lower end of the inner wall of the cylindrical gathering pipe, and a through rectangular frame is fixed on the outer side surface of one end of the mixed combustion chamber, which is far away from the fire outlet; two partition plates are fixed on the opposite inner walls of the rectangular frame; the rectangular frame is divided into three mounting chambers by the two partition plates; the three mounting chambers are sequentially provided with an oil supply assembly, an air supply assembly and a fuel supply assembly from top to bottom; a combustion atomizer connected with the oil supply assembly is arranged in the mixed combustion chamber; the combustion atomizer is arranged in the shaft center part at the rear end in the mixed combustion chamber; and an omnibearing air injection device connected with the air supply assembly is arranged in the mixed combustion chamber. The invention has the advantages of reasonable and simple combination structure of the combustion atomizer, the omnibearing air injection device and the fuel gas injection assembly, uniform mixing of oil gas or fuel gas, quick flame emergence and low manufacturing cost.
Description
Technical Field
The invention belongs to the technical field of burners, and particularly relates to an oil-gas dual-fuel burner.
Background
The burner is a device which reasonably mixes fuel and air to ensure that the fuel is stably ignited and completely combusted. Burners are used for boilers, industrial furnaces and the like which burn pulverized coal, liquid fuel and gas fuel, and the burners can be classified into pulverized coal burners, oil burners and gas burners according to the difference of the fuel to be burned.
The existing integrated oil-gas dual-fuel combustor is relatively complex in structure pipeline, fuel gas and fuel oil are arranged in an independent parallel mode, and the manufacturing cost of the whole pipeline is high. Therefore, the application document provides an oil gas dual-fuel combustor, the reasonable structural design of fuel and gas pipeline, simple structure, oil gas or gas misce bene, it is fast to go out, the cost of manufacture is low.
Disclosure of Invention
The invention aims to provide an oil-gas dual-fuel burner which solves the existing problems by reasonable and simple combination structure of a combustion atomizer, an all-directional gas injection device and a fuel gas injection assembly, uniform mixing of oil gas or fuel gas, high flame emergence speed and low manufacturing cost.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an oil-gas dual-fuel burner, which comprises a mixed combustion chamber; the fire outlet end of the mixed combustion chamber is provided with a cylindrical gathering pipe; an igniter is arranged at the lower end of the inner wall of the cylindrical polymer tube, and a through rectangular frame is fixed on the outer side surface of one end of the mixed combustion chamber, which is far away from the fire outlet; two partition plates are fixed on the opposite inner walls of the rectangular frame; the rectangular frame is divided into three mounting chambers by the two partition plates; the three mounting chambers are sequentially provided with an oil supply assembly, an air supply assembly and a fuel supply assembly from top to bottom; a combustion atomizer connected with the oil supply assembly is arranged in the mixed combustion chamber; the combustion atomizer is arranged in the shaft center part at the rear end in the mixed combustion chamber; an omnibearing air injection device connected with an air supply assembly is arranged in the mixed combustion chamber; the omnibearing air injection devices are arranged at the rear end and the lower side in the mixed combustion chamber; a fuel gas injection assembly connected with a fuel supply assembly is arranged in the mixed combustion chamber; the gas injection assembly is arranged at the lower part in the mixed combustion chamber and is connected with the omnibearing gas injection device.
Further, the oil supply assembly comprises an oil storage tank, an oil pump, a hydraulic pressure regulating valve and a hydraulic pressure meter which are sequentially connected from an oil inlet end to an oil outlet end.
Further, the air supply assembly comprises a first air tank, a first air pressure regulating valve and a first air pressure gauge which are sequentially connected from an air inlet end to an air outlet end.
Further, the fuel supply assembly comprises a second gas tank, an electromagnetic valve, a second air pressure regulating valve and a second air pressure gauge which are sequentially connected from the air inlet end to the air outlet end.
Furthermore, the omnibearing air injection device comprises a first air guide ring and a second air guide ring; the first air guide ring and the second air guide ring are positioned at one side of the fire outlet end of the mixed combustion chamber and are uniformly distributed and provided with air outlet holes in an annular manner; the first air guide ring is communicated with the second air guide ring through four connecting pipes; the first air guide ring is communicated with the air supply assembly through an air inlet pipe; the lower part of the first air guide ring is symmetrically and fixedly communicated with two extending air guide pipes inclining downwards; the upper parts of the peripheral side surfaces of the two extending gas guide pipes are uniformly provided with gas outlet heads along the axial direction; the gas outlet head obliquely points to the fire outlet end of the mixed combustion chamber; the first air guide ring is fixedly connected with the inner wall of the mixed combustion chamber through connecting rods which are uniformly distributed and arranged in an annular mode.
Further, the fuel gas injection assembly comprises a fuel gas guide pipe which is connected with the fuel supply assembly and is of an inverted L-shaped structure; two rows of gas branch pipes are axially and symmetrically fixed on the horizontal part of the gas guide pipe; three vertical upward gas outlet branch pipes penetrate through and are fixed on the peripheral side face of the gas branch pipe.
Further, a manual exhaust valve is installed at the upper end of the oil storage tank.
The invention has the following beneficial effects:
1. the invention supplies fuel oil, compressed air and fuel gas from top to bottom through the air supply assembly, the fuel supply assembly and the combustion atomizer, has clear layers, reduces the structure of oil gas or fuel gas mixing by combining the omnibearing air injection device, the fuel gas injection assembly and the oil storage tank in the mixed combustion chamber, and has reasonable and simple integral structure and low manufacturing cost.
2. According to the invention, the omnibearing air injection device can provide a larger air outlet speed in the mixed combustion chamber and simultaneously inject air at the bottom to disturb the main flow mixed air, so that the mixing uniformity is improved, the combustion rate is improved, and the combustion energy efficiency is improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of an oil-gas dual-fuel burner of the present invention;
FIG. 2 is a schematic structural view of an omnidirectional jet device and a fuel gas jet assembly;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
in the drawings, the components represented by the respective reference numerals are listed below:
1-a mixed combustion chamber, 2-an igniter, 3-a rectangular frame, 4-an oil supply assembly, 5-an air supply assembly, 6-a fuel supply assembly, 7-a combustion atomizer, 8-an omnibearing air injection device, 9-a gas injection assembly, 10-an oil storage tank, 11-an oil pump, 12-a hydraulic pressure regulating valve, 13-a hydraulic pressure gauge, 14-a first air tank, 15-a first air pressure regulating valve, 16-a first air pressure gauge, 17-a second air tank, 18-an electromagnetic valve, 19-a second air pressure regulating valve, 20-a second air pressure gauge, 21-a first air guide ring, 22-a second air guide ring, 23-an air outlet hole, 24-a connecting conduit, 25-an extending air guide pipe, 26-an air outlet head, 27-a gas conduit and 28-a gas branch pipe, 29-air outlet branch pipe, 30-connecting rod, 301-clapboard, 211-air inlet pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention is a dual fuel oil-gas burner, which includes a hybrid combustor 1; a fire outlet end of the mixed combustion chamber 1 is provided with a cylindrical gathering pipe 101; the lower end of the inner wall of the cylindrical gathering pipe 101 is provided with an igniter 2, and the outer side surface of one end of the mixed combustion chamber 1 far away from the fire outlet is fixedly provided with a through rectangular frame 3; two partition boards 301 are fixed on the opposite inner walls of the rectangular frame 3; the rectangular frame 3 is divided into three mounting chambers by two partition plates 301; the three mounting chambers are sequentially provided with an oil supply assembly 4, an air supply assembly 5 and a fuel supply assembly 6 from top to bottom;
a combustion atomizer 7 connected with the oil supply assembly 4 is arranged in the mixed combustion chamber 1; the combustion atomizer 7 is arranged in the rear end shaft center part in the mixed combustion chamber 1;
an omnibearing air injection device 8 connected with the air supply component 5 is arranged in the mixed combustion chamber 1; the omnibearing air injection devices 8 are arranged at the rear end and the lower side in the mixed combustion chamber 1;
a fuel gas injection assembly 9 connected with the fuel supply assembly 6 is arranged in the mixed combustion chamber 1; the gas injection assembly 9 is arranged at the lower part in the mixed combustion chamber 1 and is connected with the omnibearing gas injection device 8.
Wherein, the oil supply unit 4 includes oil storage tank 10, oil pump 11, hydraulic pressure air-vent valve 12, the hydraulic pressure meter 13 that connects gradually by oil feed end to oil outlet end, and oil storage tank 10 is used for gathering fluid in advance, at 11 inlet of oil pump, increases the liquid volume, is favorable to the cooling of oil pump 11, and hydraulic pressure adjustment is conveniently carried out to hydraulic pressure air-vent valve 12 and hydraulic pressure meter 13.
The gas supply assembly 5 comprises a first gas tank 14, a first air pressure regulating valve 15 and a first air pressure gauge 16 which are sequentially connected from a gas inlet end to a gas outlet end; the drain pipe and the drain valve are installed to first gas pitcher 14 lower extreme, and first gas pitcher 14 carries out gaseous accumulation, and the continuous supply of guarantee later stage compressed air connects the air supply through first gas pitcher 14, and the solenoid valve is installed to the junction, and the atmospheric pressure of entering air is conveniently adjusted to first atmospheric pressure air-vent valve 15 and first barometer 16.
The fuel supply assembly 6 comprises a second gas tank 17, an electromagnetic valve 18, a second air pressure regulating valve 19 and a second air pressure gauge 20 which are sequentially connected from an air inlet end to an air outlet end; the second gas tank 17 accumulates combustion gas, so that the gas can be continuously and stably supplied in the later period, the electromagnetic valve 18 controls the on-off of the gas, and the second gas pressure regulating valve 19 and the second gas pressure gauge 20 are convenient for regulating the gas pressure of the entering gas.
The omnibearing air injection device 8 comprises a first air guide ring 21 and a second air guide ring 22; the first air guide ring 21 and the second air guide ring 22 are uniformly distributed and provided with air outlet holes 23 at one side of the fire outlet end of the mixed combustion chamber 1 in an annular manner; the first air guide ring 21 is communicated with the second air guide ring 22 through four connecting conduits 24; the first air guide ring 21 is communicated with the air supply assembly 5 through an air inlet pipe 211;
the lower part of the first air guide ring 21 is symmetrically and fixedly communicated with two extending air guide pipes 25 which incline downwards; the upper parts of the peripheral side surfaces of the two extending air ducts 25 are uniformly provided with air outlet heads 26 along the axial direction; the gas outlet head 26 is obliquely directed to the fire outlet end of the mixed combustion chamber 1; the first air guide ring 21 is fixedly connected with the inner wall of the mixed combustion chamber 1 through connecting rods 30 which are uniformly distributed in a ring shape.
Wherein, the fuel gas injection assembly 9 comprises a fuel gas conduit 27 which is connected with the fuel supply assembly 6 and has an inverted L-shaped structure; two rows of gas branch pipes 28 are axially and symmetrically fixed on the horizontal part of the gas guide pipe 27; three vertically upward gas outlet branch pipes 29 are fixedly penetrated through the peripheral side surface of the gas branch pipe 28.
Wherein, the upper end of the oil storage tank 10 is provided with a manual exhaust valve.
During oil burning, the oil supply assembly 4 and the air supply assembly 5 are simultaneously in an open state, the fuel supply assembly 6 is in a closed state, the combustion atomizer 7 atomizes oil supplied by the oil supply assembly 4, as shown in fig. 1, the atomized oil is pushed by annular air flows of a first air guide ring 21 and a second air guide ring 22 of the omnibearing air injection device 8 to rapidly gush out towards the air outlet end of the mixed combustion chamber 1, the atomized oil and compressed air are intensively mixed in the whole gushing process and then gush out, meanwhile, the outward thrust of the mixed oil and air is continuously increased on the gushing channel by two extending air guide pipes 25 at the lower part, and the atomized oil and air are ignited at the igniter 2 at the air outlet end of the mixed combustion chamber 1; during gas combustion, the fuel supply assembly 6 and the gas supply assembly 5 are simultaneously in an opening state, the oil supply assembly 4 is closed, the fuel injection assembly 9 discharges the fuel supply assembly 6 upwards uniformly along two rows of gas branch pipes 28, gas and air are fully mixed by the gas outlet heads 26 of the extension gas guide pipes 25 on two sides, the whole gas flow is rapidly pushed to the gas outlet end of the mixed combustion chamber 1 by the first gas guide ring 21 and the second gas guide ring 22 on the rear side, the gas and the compressed air are mixed again in the process of rapidly discharging the mixed gas, and the igniter 2 at the gas outlet end of the mixed combustion chamber 1 is ignited.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. An oil-gas dual-fuel burner comprises a mixed combustion chamber (1); a fire outlet end of the mixed combustion chamber (1) is provided with a cylindrical gathering pipe (101); the lower end of the inner wall of the cylinder gathering pipe (101) is provided with an igniter (2), and the cylinder gathering pipe is characterized in that:
a through rectangular frame (3) is fixed on the outer side surface of one end of the mixed combustion chamber (1) far away from the fire outlet; two partition plates (301) are fixed on the opposite inner walls of the rectangular frame (3); the rectangular frame (3) is divided into three mounting chambers by the two partition plates (301); the three mounting chambers are sequentially provided with an oil supply assembly (4), an air supply assembly (5) and a fuel supply assembly (6) from top to bottom;
a combustion atomizer (7) connected with the oil supply assembly (4) is arranged in the mixed combustion chamber (1); the combustion atomizer (7) is arranged in the rear end shaft center part in the mixed combustion chamber (1);
an omnibearing air injection device (8) connected with an air supply assembly (5) is arranged in the mixed combustion chamber (1); the omnibearing air injection devices (8) are arranged at the rear end and the lower side in the mixed combustion chamber (1);
a fuel gas injection assembly (9) connected with a fuel supply assembly (6) is arranged in the mixed combustion chamber (1); the gas injection assembly (9) is arranged at the lower part in the mixed combustion chamber (1) and is connected with the omnibearing gas injection device (8).
2. The dual fuel burner of oil and gas according to claim 1, characterized in that the oil supply unit (4) comprises an oil storage tank (10), an oil pump (11), a hydraulic pressure regulating valve (12) and a hydraulic pressure gauge (13) which are connected in sequence from an oil inlet end to an oil outlet end.
3. The dual fuel burner of claim 1, characterized in that the air supply assembly (5) comprises a first air tank (14), a first air pressure regulating valve (15) and a first air pressure gauge (16) which are connected in sequence from an air inlet end to an air outlet end.
4. The dual fuel burner of claim 1, characterized in that the fuel supply assembly (6) comprises a second gas tank (17), a solenoid valve (18), a second pressure regulating valve (19) and a second barometer (20) which are connected in sequence from the gas inlet end to the gas outlet end.
5. The dual fuel burner of claim 1, wherein said omni-directional jet means (8) comprises a first air ring (21), a second air ring (22); the first air guide ring (21) and the second air guide ring (22) are positioned at one side of the fire outlet end of the mixed combustion chamber (1) and are uniformly distributed and provided with air outlet holes (23) in an annular manner; the first air guide ring (21) is communicated with the second air guide ring (22) through four connecting conduits (24); the first air guide ring (21) is communicated with the air supply assembly (5) through an air inlet pipe (211);
the lower part of the first air guide ring (21) is symmetrically and fixedly communicated with two extending air guide pipes (25) which incline downwards; the upper parts of the peripheral side surfaces of the two extension air ducts (25) are uniformly provided with air outlet heads (26) along the axial direction; the gas outlet head (26) is obliquely directed to the fire outlet end of the mixed combustion chamber (1); the first air guide ring (21) is fixedly connected with the inner wall of the mixed combustion chamber (1) through connecting rods (30) which are uniformly distributed and arranged in an annular mode.
6. The dual fuel burner of claim 1, characterized in that said gas injection assembly (9) comprises a gas conduit (27) connected to the fuel supply assembly (6) in an inverted L-shaped configuration; two rows of gas branch pipes (28) are axially and symmetrically fixed on the horizontal part of the gas guide pipe (27); three gas outlet branch pipes (29) which are vertically upward penetrate through and are fixed on the peripheral side surface of the gas branch pipe (28).
7. An oil and gas dual fuel burner as claimed in claim 2, wherein a manual air release valve is mounted at the upper end of the oil storage tank (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010886242.0A CN112050218B (en) | 2020-08-28 | 2020-08-28 | Oil-gas dual-fuel burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010886242.0A CN112050218B (en) | 2020-08-28 | 2020-08-28 | Oil-gas dual-fuel burner |
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| Publication Number | Publication Date |
|---|---|
| CN112050218A true CN112050218A (en) | 2020-12-08 |
| CN112050218B CN112050218B (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010886242.0A Active CN112050218B (en) | 2020-08-28 | 2020-08-28 | Oil-gas dual-fuel burner |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB885903A (en) * | 1960-03-21 | 1962-01-03 | Cleaver Brooks Co | Oil-gas burner |
| CN203857461U (en) * | 2014-05-28 | 2014-10-01 | 肖芳 | Automatic fuel-and-gas co-combustion burner |
| CN208365537U (en) * | 2018-06-02 | 2019-01-11 | 北京神科博斯热能工程技术有限公司 | A kind of oil-gas mixed burning burner |
| US20190162410A1 (en) * | 2017-11-29 | 2019-05-30 | Riley Power Inc. | Dual fuel direct ignition burners |
| CN110056863A (en) * | 2019-04-30 | 2019-07-26 | 恩平市景业陶瓷有限公司 | A kind of burner for coal tar |
| CN209744378U (en) * | 2019-03-25 | 2019-12-06 | 武汉长天福瑞达科技有限公司 | Axial flow fan fuel oil and gas double-fuel combustor |
-
2020
- 2020-08-28 CN CN202010886242.0A patent/CN112050218B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB885903A (en) * | 1960-03-21 | 1962-01-03 | Cleaver Brooks Co | Oil-gas burner |
| CN203857461U (en) * | 2014-05-28 | 2014-10-01 | 肖芳 | Automatic fuel-and-gas co-combustion burner |
| US20190162410A1 (en) * | 2017-11-29 | 2019-05-30 | Riley Power Inc. | Dual fuel direct ignition burners |
| CN208365537U (en) * | 2018-06-02 | 2019-01-11 | 北京神科博斯热能工程技术有限公司 | A kind of oil-gas mixed burning burner |
| CN209744378U (en) * | 2019-03-25 | 2019-12-06 | 武汉长天福瑞达科技有限公司 | Axial flow fan fuel oil and gas double-fuel combustor |
| CN110056863A (en) * | 2019-04-30 | 2019-07-26 | 恩平市景业陶瓷有限公司 | A kind of burner for coal tar |
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| Publication number | Publication date |
|---|---|
| CN112050218B (en) | 2022-10-21 |
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