CN219530850U - Double-cyclone gas burner - Google Patents
Double-cyclone gas burner Download PDFInfo
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- CN219530850U CN219530850U CN202223530577.2U CN202223530577U CN219530850U CN 219530850 U CN219530850 U CN 219530850U CN 202223530577 U CN202223530577 U CN 202223530577U CN 219530850 U CN219530850 U CN 219530850U
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- cyclone
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model discloses a double-cyclone gas burner which comprises a combustion-supporting air treatment module, a flame collecting cover, a combustion-supporting air axial flow air ring, a combustion-supporting air cyclone, a gas treatment module, a gas cyclone and an ignition module, wherein the combustion-supporting air treatment module is arranged on the flame collecting cover; the combustion-supporting air axial flow air ring is arranged at one end of the outer air channel pipe, the combustion-supporting air cyclone is arranged at one end of the combustion-supporting air treatment module, and the gas cyclone is arranged at one end of the gas treatment module. The flame collecting cover, the combustion air cyclone and the gas cyclone are arranged, so that the combustion air from the combustion air axial flow air ring is limited by the flame collecting cover to form limited axial jet flow, and the combustion air led out from the combustion air cyclone passes through the cyclone structure and is limited by the axial jet flow to form limited rotary jet flow; the gas entering the outlet gas cyclone device forms rotary jet flow after accelerating, so that when the gas burner is applied TO scenes with smaller diameters and larger space, such as TO furnaces and secondary combustion chambers, shorter and thicker flames can be formed, and the combustion stability is ensured.
Description
Technical Field
The utility model relates to the field of gas burners, in particular to a double-cyclone gas burner.
Background
The burner is a thermal energy device which feeds fuel and air into the hearth according to the required concentration, speed, turbulence and mixing mode and enables the fuel to be ignited and burned stably in the hearth. The fuel is mainly fuel oil and fuel gas. Is generally applied to medium and small-sized fuel oil or gas boilers.
For the two-chamber and TO furnaces, the structure of the furnace body is generally smaller in effective diameter and higher in height, and the required burner generally requires a thick and short flame shape and better stability. The shorter flame can ensure that the burner cannot burn the furnace wall refractory material on the opposite side when being arranged on the side wall, the thicker flame can ensure that the burner can burn the smoke more fully when being arranged on the side close to the smoke inlet, and the better stability ensures that the flame of the burner is more superior to the interference performance of the environment when the smoke flow and the pressure are unstable.
The utility model hopes to provide a double-cyclone gas burner which can more effectively roll the surrounding smoke and combustion air and burn more fully.
Disclosure of Invention
The utility model aims TO provide a double-swirl gas burner which can form shorter and thicker flame and ensure the stability of combustion when being applied TO scenes with smaller diameters and larger space such as a TO furnace, a secondary combustion chamber and the like.
The double-cyclone gas burner is characterized by comprising a combustion-supporting air treatment module, a flame collecting cover, a combustion-supporting air axial flow air ring, a combustion-supporting air cyclone, a gas treatment module, a gas cyclone and an ignition module;
the flame holding cover is arranged on the outer side of the combustion-supporting air treatment module in a surrounding mode, the combustion-supporting air treatment module is arranged on the outer side of the fuel gas treatment module in a surrounding mode, and the fuel gas treatment module is arranged on the outer side of the ignition module in a surrounding mode;
the combustion-supporting air treatment module comprises an external air channel pipe;
the fuel gas treatment module comprises a fuel gas channel pipe;
the combustion-supporting air axial-flow air ring is arranged at one end of the outer air channel pipe, the combustion-supporting air swirler is arranged at one end of the gas channel pipe, the gas swirler is arranged at one end of the gas channel pipe, and the combustion-supporting air axial-flow air ring, the combustion-supporting air swirler and the gas swirler are propped against each other.
Further, the combustion air treatment module further comprises a combustion air inlet; the outer air channel pipe is arranged on the outer side of the gas channel pipe in a surrounding mode, and the combustion air inlet is communicated with one side of the combustion air channel pipe after being communicated with the flame holding cover and the outer air channel pipe.
Further, the fuel gas treatment module comprises a fuel gas inlet and a fuel gas channel pipe; the gas inlet is communicated with one side of the gas channel pipe.
Further, the ignition module comprises an ignition burner mounting channel pipe, an ignition gas channel pipe and an ignition device;
the ignition burner mounting channel pipe is wound on the outer side of the ignition gas channel pipe, and the ignition device penetrates through the ignition module.
Further, the ignition device comprises a pressure measuring nozzle, a fire observation mirror, an ion fire detection electrode, an ion ignition electrode, an ignition gas inlet and an ignition gas combustion-supporting air inlet;
the ignition gas inlet is connected with the ignition gas channel pipe; the ion fire detection electrode and the ion ignition electrode are arranged on one side of the ignition gas channel pipeline; the ignition gas combustion-supporting air inlet is connected with the ignition burner mounting channel pipe.
Further, the burner further comprises a first burner mounting flange, a second burner mounting flange and a third burner mounting flange;
the first burner mounting flange is used for fixing the ignition burner mounting channel pipe and the ignition device; the second burner mounting flange is used for fixing the gas treatment module and the ignition module; the third combustor mounting flange is used for fixing the gas treatment module, the ignition module and the combustion-supporting air treatment module.
Furthermore, the combustion air swirler and the gas swirler are circular and are uniformly distributed with swirl grooves.
Further, at least one air outlet hole is formed in the surface of the combustion air cyclone, and the air outlet holes are uniformly distributed on the surface of the double-cyclone gas burner.
Compared with the prior art, the utility model has at least the following beneficial effects:
the combustion air cyclone, the gas cyclone and the flame holding cover are arranged in the gas burner, so that combustion air led out from the axial air ring is limited by the flame holding cover to form limited axial jet flow, and the combustion air led out from the combustion air cyclone passes through the cyclone structure and is limited by the axial jet flow to form limited rotary jet flow; in addition, after entering from the gas inlet, the gas enters into the outlet gas cyclone TO accelerate and form rotary jet flow, so that when the gas burner is applied TO scenes with smaller diameters and larger space, such as a TO furnace, a secondary combustion chamber and the like, shorter and thicker flames can be formed, and the combustion stability is ensured.
Drawings
FIG. 1 is a cross-sectional view of a dual swirl gas burner in accordance with an embodiment of the present utility model;
FIG. 2 is a diagram showing the positional relationship among a flame holding cover, a combustion air axial flow air ring, a combustion air swirler and a gas swirler according to an embodiment of the present utility model;
figure 3 is a schematic diagram of an embodiment of the present utility model for a dual swirl gas burner,
Detailed Description
The following description of a dual swirl gas burner of the present utility model, in conjunction with the schematic drawings, illustrates a preferred embodiment of the present utility model, it being understood that one skilled in the art could modify the utility model described herein while still achieving the beneficial effects of the utility model. Accordingly, the following description is to be construed as broadly known to those skilled in the art and not as limiting the utility model.
The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.
The utility model provides a double-cyclone gas burner, referring to fig. 1 and 2, which comprises a flame collecting cover 1, a combustion air treatment module, a gas treatment module, an ignition module 8, a combustion air cyclone 3, a gas cyclone 4 and a combustion air axial flow air ring 2.
The flame holding cover 1 is arranged on the outer side of the combustion-supporting air treatment module in a surrounding mode, the combustion-supporting air treatment module is arranged on the outer side of the fuel gas treatment module in a surrounding mode, and the fuel gas treatment module is arranged on the outer side of the ignition module 8 in a surrounding mode.
The combustion-supporting air treatment module comprises an external air channel pipe.
The fuel gas treatment module comprises a fuel gas channel pipe; the combustion-supporting air axial-flow air ring 2 is arranged at one end of the outer air channel pipe, the combustion-supporting air cyclone 3 is arranged at one end of the gas channel pipe, the gas cyclone 4 is arranged at one end of the gas treatment module, and the combustion-supporting air axial-flow air ring 2, the combustion-supporting air cyclone 3 and the gas cyclone 4 are propped against each other.
In this example, please refer to fig. 2, the shapes of the combustion air swirler 3 and the gas swirler 4 are circular, and at least one air outlet hole is provided on the surface of the combustion air swirler, and the air outlet holes are uniformly arranged on the surface of the dual-swirl gas burner.
Specifically, the air outlet holes are square. In addition, the shape of the air outlet holes can be flexibly adjusted by a person skilled in the art.
Further, the combustion air treatment module further comprises a combustion air inlet 6; the outer air channel pipe is arranged on the outer side of the combustion-supporting air channel pipe in a surrounding mode, and the combustion-supporting air inlet 6 is communicated with the flame holding cover 1 and one side of the combustion-supporting air channel pipe after being communicated with the outer air channel pipe.
Specifically, combustion air enters from the combustion air inlet 6, and is sprayed out from the combustion axial flow air ring 2 and the combustion air cyclone 3 respectively to supplement oxygen to the fuel gas. The combustion air sprayed from the combustion-supporting axial flow air ring is limited by the flame holding cover 1 to form limited axial jet flow, and the combustion air from the combustion-supporting air cyclone part passes through the cyclone structure and is limited by the outer axial jet flow to form limited rotary jet flow.
In a specific embodiment, the rotating jet of combustion air is designed as a strong swirl, and the dimensionless swirl number of the strong swirl is greater than or equal to 0.6.
And a burner mounting flange 5 is arranged on the burner main body near the combustion air inlet 6, so that the burner is convenient to mount.
Furthermore, the gas treatment module comprises a gas inlet 7 and a gas channel pipe; the gas inlet 7 is communicated with one side of the gas channel pipe.
Further, after entering from the gas inlet 7, the gas enters the gas cyclone 4 after being slowed down through the gas channel pipe, and forms a rotational jet, and the rotational jet is also a limited rotational jet.
In a specific embodiment, the rotating jet of the fuel gas is designed as a strong rotational flow, and the dimensionless rotational flow number of the strong rotational flow is greater than or equal to 0.6.
In the embodiment of the utility model, the rotary jet flow is provided with an inner reflux zone and an outer reflux zone at the same time, and the inner reflux zone is more obvious particularly when the rotary jet flow is strong rotational flow. The expansion angle of the outer reflux zone is generally larger, so that the capacity of the medium around the mat is stronger; while the internal recirculation zone ensures the stability of the fire. In addition, the rotational flow jet flow comprises an axial speed, a radial speed and a tangential speed, and the gas and the combustion air can be mixed better by the faster outlet speed. Moreover, the axial and tangential attenuation of the rotating jet is relatively rapid, and thus the range of the swirling jet is generally relatively short.
The outer reflux area of the limited rotary jet flow of the combustion air can more effectively roll the smoke and the combustion air around the mat, and the inner reflux area can roll the fuel gas inside the mat; in addition, the limited jet flow outer reflux area of the fuel gas can roll the combustion air, the flue gas and the combustion air, and the inner reflux area can stabilize the flame of the pilot flame, so that the characteristics of the double reflux areas can enable the combustion air and the fuel gas to be more fully mixed, and the combustion can be stably and fully carried out after the pilot flame is ignited. In addition, the flame length of the burner is short because both the axial and tangential decay of the rotating jet is relatively rapid.
In a specific embodiment, referring to fig. 3, the length of the flame of the burner is shorter because the axial and tangential decays of the rotating jet flow are quicker, and by performing special structural design on the refractory bricks of the burner, the coarsest part of the flame can be ensured to just enter the furnace chamber, and the length of the flame is further controlled.
Preferably, the ignition module 8 comprises an ignition burner mounting channel pipe, an ignition gas channel pipe and an ignition device; the ignition burner mounting channel pipe is arranged on the outer side of the ignition gas channel pipe, and the ignition device penetrates through the ignition module.
Further, the ignition device comprises a gas ignition gun. The gas ignition gun has the functions of ion ignition and ion fire detection, can be used for igniting main gas, and can be used as a long-term open flame after the main gas is ignited.
The ignition module comprises an ignition device, wherein the ignition device comprises a pressure measuring nozzle, a flame viewing mirror, an ion flame detection electrode, an ion ignition electrode, an ignition gas inlet and an ignition gas combustion-supporting air inlet; the ignition gas inlet is connected with the ignition gas channel pipe; the ion fire detection electrode and the ion ignition electrode are arranged on one side of the ignition gas channel; the ignition gas combustion-supporting air inlet is connected with the ignition burner mounting channel pipe.
In summary, the combustion air cyclone, the gas cyclone and the flame collecting cover are arranged in the gas burner, so that the combustion air from the axial air ring is limited by the flame collecting cover to form limited axial jet flow, and the combustion air led out from the combustion air cyclone passes through the cyclone structure and is limited by the axial jet flow to form limited rotary jet flow; in addition, after entering from the gas inlet, the gas enters into the outlet gas cyclone TO accelerate and form rotary jet flow, so that when the gas burner is applied TO scenes with smaller diameters and larger space, such as a TO furnace, a secondary combustion chamber and the like, shorter and thicker flames can be formed, and the combustion stability is ensured.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (8)
1. The double-cyclone gas burner is characterized by comprising a combustion-supporting air treatment module, a flame collecting cover, a combustion-supporting air axial flow air ring, a combustion-supporting air cyclone, a gas treatment module, a gas cyclone and an ignition module;
the flame holding cover is arranged on the outer side of the combustion-supporting air treatment module in a surrounding mode, the combustion-supporting air treatment module is arranged on the outer side of the fuel gas treatment module in a surrounding mode, and the fuel gas treatment module is arranged on the outer side of the ignition module in a surrounding mode;
the combustion-supporting air treatment module comprises an external air channel pipe;
the fuel gas treatment module comprises a fuel gas channel pipe;
the combustion-supporting air axial-flow air ring is arranged at one end of the outer air channel pipe, the combustion-supporting air swirler is arranged at one end of the gas channel pipe, the gas swirler is arranged at one end of the gas channel pipe, and the combustion-supporting air axial-flow air ring, the combustion-supporting air swirler and the gas swirler are propped against each other.
2. The dual cyclone gas burner of claim 1 wherein the combustion air treatment module further comprises a combustion air inlet;
the outer air channel pipe is arranged on the outer side of the gas channel pipe in a surrounding mode, and the combustion air inlet is communicated with one side of the gas channel pipe after being communicated with the flame holding cover and the outer air channel pipe.
3. The dual cyclone gas burner of claim 1, wherein the gas treatment module comprises a gas inlet and a gas channel tube; the gas inlet is communicated with one side of the gas channel pipe.
4. The dual swirl gas burner of claim 1 wherein the ignition module comprises an ignition burner mounting channel tube, an ignition gas channel tube, and an ignition device;
the ignition burner mounting channel pipe is arranged on the outer side of the ignition gas channel pipe in a surrounding mode, and the ignition device penetrates through the ignition module.
5. The dual cyclone gas burner of claim 4 wherein the ignition means comprises a pressure tap, a flame viewing mirror, an ion flame detection electrode, an ion ignition electrode, an ignition gas inlet and an ignition gas combustion air inlet;
the ignition gas inlet is connected with the ignition gas channel pipe; the ion fire detection electrode and the ion ignition electrode are arranged on one side of the ignition gas channel pipeline; the ignition gas combustion-supporting air inlet is connected with the ignition burner mounting channel pipe.
6. The dual swirl gas burner of claim 4 further comprising a first burner mounting flange, a second burner mounting flange, and a third burner mounting flange;
the first burner mounting flange is used for fixing the ignition burner mounting channel pipe and the ignition device; the second burner mounting flange is used for fixing the gas treatment module and the ignition module; the third combustor mounting flange is used for fixing the gas treatment module, the ignition module and the combustion-supporting air treatment module.
7. The dual cyclone gas burner of claim 1 wherein said combustion air cyclones and said gas cyclones are circular in shape and are uniformly provided with cyclone grooves.
8. The dual cyclone gas burner of claim 7 wherein the combustion air swirler surface is provided with at least one air outlet, the air outlet being uniformly disposed on the dual cyclone gas burner surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223530577.2U CN219530850U (en) | 2022-12-29 | 2022-12-29 | Double-cyclone gas burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223530577.2U CN219530850U (en) | 2022-12-29 | 2022-12-29 | Double-cyclone gas burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219530850U true CN219530850U (en) | 2023-08-15 |
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ID=87580910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223530577.2U Active CN219530850U (en) | 2022-12-29 | 2022-12-29 | Double-cyclone gas burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219530850U (en) |
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2022
- 2022-12-29 CN CN202223530577.2U patent/CN219530850U/en active Active
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