CN202432521U - Dual-purpose fuel gas burner - Google Patents
Dual-purpose fuel gas burner Download PDFInfo
- Publication number
- CN202432521U CN202432521U CN2012200073189U CN201220007318U CN202432521U CN 202432521 U CN202432521 U CN 202432521U CN 2012200073189 U CN2012200073189 U CN 2012200073189U CN 201220007318 U CN201220007318 U CN 201220007318U CN 202432521 U CN202432521 U CN 202432521U
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- Prior art keywords
- gas pipeline
- low
- high heat
- heat value
- dual
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Abstract
The utility model provides a dual-purpose fuel gas burner. The dual-purpose fuel gas burner comprises a sleeve (11) in a hollow tube structure, a high-heating-value gas pipeline (7) sleeved outside the sleeve (11), a low-heating-value gas pipeline (15) sleeved outside the high-heating-value gas pipeline (7), an air pipeline (22) sleeved outside the low-heating-value gas pipeline (15), a split-flow sprayer (23), a first sprayer (24) and a second sprayer (26), wherein the split-flow sprayer is arranged at the tail end of the sleeve; and the first sprayer is arranged at the tail end of the low-heating-value gas pipeline, and the second sprayer is arranged at the tail end of the high-heating-value gas pipeline. According to the dual-purpose fuel gas burner adopting the structure, when two fuels, namely high-heating-value gas and low-heating-value gas, are switched, the high-heating-value gas pipeline and the low-heating-value gas pipeline do not need to be disassembled; and an air source is flexibly selected according to the supplying condition, and thus the two fuels can be burned through the burner.
Description
Technical field
The utility model relates to the employed coal gas burner of heating on a kind of industrial furnace, relates in particular to a kind of dual-purpose burner of coal gas that can use the high heating value natural gas can use the low heat value mixed gas again.
Background technology
At present, domestic a lot of heating furnace is all so that calorific value is high, impurity content is low, the fuelled with natural gas of the characteristics such as the back harmful substance is low of burning.But, for a lot of smelters, along with going deep into of energy-saving and emission-reduction work, a large amount of low-calorie coal gas, for example blast furnace gas is recovered, and low-heat value gas has the low inherent shortcoming of burning back flame temperature, has certain difficulty in the application.
Therefore how developing and a kind ofly can use the high heating value fuelled with natural gas, can use low combustion value furnace gas to make the burner of fuel again, is that those skilled in the art are devoted to the technical problem that solves always.
Summary of the invention
The utility model proposes a kind of dual-purpose fuel burner nozzle, through its particular structural, can select source of the gas flexibly according to the supply situation of pipe network source of the gas, thereby make the natural gas of low-heat value gas and high heating value to be fully used through this burner.
To achieve these goals, the described dual-purpose fuel burner nozzle of the utility model includes sleeve pipe, and it is a hollow tubular structure; Be sheathed on the high heat value gas pipeline of tube outside, air duct, shunting shower nozzle and first shower nozzle and second shower nozzle that is sheathed on the low-BTU gas pipeline of high heat value gas pipeline outside and is sheathed on low-BTU gas pipeline outside, wherein said shunting shower nozzle is arranged at the tail end of sleeve pipe; Said first shower nozzle is arranged at the tail end of low-BTU gas pipeline; Said second shower nozzle is arranged at the tail end of high heat value gas pipeline.
Further, said shunting shower nozzle, first shower nozzle and second shower nozzle are arranged at the tail end of sleeve pipe, low-BTU gas pipeline and high heat value gas pipeline respectively through screw thread.
Further; Described dual-purpose fuel burner nozzle also includes peep hole and Connection Block; Said peep hole is through being threadedly connected to Connection Block one side, and the opposite side of said Connection Block is through being threadedly connected to first section of said sleeve pipe, and said high heat value gas pipeline and sleeve pipe are fixed in one through Connection Block.
Further, described dual-purpose fuel burner nozzle also includes first pressure measuring tie-in that is used to measure the high heat value gas pipeline pressure, and it is arranged on the tube wall of high heat value gas pipeline; Be used to measure second pressure measuring tie-in of low-BTU gas pipeline, it is arranged on the tube wall of low-BTU gas pipeline; Be used for the 3rd pressure measuring tie-in of Measurement of Air pipeline pressure, it is arranged on the tube wall of air duct.
Further, said low-BTU gas pipeline outer tube wall is provided with fire rod, and this fire rod is the bubbling air pipe interior simultaneously.
Further, described dual-purpose fuel burner nozzle also includes the air cover, and this air cover is connected with air duct with the low-BTU gas pipeline through bolt, and said fire rod is deep into air cover inside.
Further, said Connection Block and high heat value gas pipeline are fixed through first fixation kit; High heat value gas pipeline and low-BTU gas pipeline are fixed through second fixation kit; Said low-BTU gas pipeline and air duct are fixed through the 3rd fixation kit.
Further, in the junction of the junction of said Connection Block and said high heat value gas pipeline, said high heat value gas pipeline and said low-BTU gas pipeline, the junction of the junction of said low-BTU gas pipeline and said air cover and said air cover and said air duct is provided with and is used to regulate the big minipad of its gap between them.
Further, said high heat value gas pipe wall is provided with the high heat value gas inlet, and said low-BTU gas pipe wall is provided with the low-BTU gas inlet, and said air duct tube wall is provided with air intake.
Preferably, described high heat value gas is a natural-gas, and low-BTU gas is the mist of natural-gas and blast furnace gas.
This gas two-purpose burner has following characteristics:
1) burner can be in the different burning ratio of different combustion gas condition enactments, and coefficient of excess air is little, can effectively reduce the ignition temperature of fuel, reduces NO
xGeneration, reduce pollution to environment;
2) fuel burner nozzle adopts annular jet evenly to spray, and oozes mixedly with both sides ring-type air stream, forms uniform mixed airflow, can effectively improve fuel combustion characteristics;
3) compact conformation, easy to operate, displacement fuel is convenient and simple;
4) the pressure variation to air and fuel has very strong adaptability, and is safe and reliable;
5) the ability scope of compromise reaches 1: 10, and small-power state working stability safety can reach smooth combustion equally when using fuel gas with low heat value.
Adopted the advantage of the said dual-purpose fuel burner nozzle of the utility model to be: when two kinds of fuel switched, high heat value gas pipeline and low-BTU gas pipeline did not need dismounting; Can select source of the gas flexibly according to the supply situation, thereby make high heat value gas and low-BTU gas to burn through this burner.
Description of drawings
Fig. 1 is the structural representation of the utility model one specific embodiment
The specific embodiment
In order better to understand the purpose of the utility model, characteristic and function are described in detail the structure and the function of a preferred embodiment of this practicality below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of this specific embodiment of the utility model, can know that by figure the described dual-purpose fuel burner nozzle of this embodiment includes sleeve pipe 11, and it is a hollow tubular structure; Be sheathed on the high heat value gas pipeline 7 of sleeve pipe 11 outsides, air duct 22, shunting shower nozzle 23 and first shower nozzle 24 and second shower nozzle 26 that is sheathed on the low-BTU gas pipeline 15 of high heat value gas pipeline 7 outsides and is sheathed on low-BTU gas pipeline 15 outsides; Wherein said shunting shower nozzle 23 is arranged at the tail end of sleeve pipe 11; It is connected with sleeve pipe 11 through screw thread; In addition; Evenly offer two row's circular holes on said sleeve pipe 11 tube walls, natural gas or low-BTU gas can flow into shunting shower nozzle 23 through this circular hole; Said first shower nozzle 24 is arranged at the tail end of low-BTU gas pipeline 15, and is connected with the low-BTU gas pipeline through screw thread, and said air is sprayed by first shower nozzle; Said second shower nozzle 26 is arranged at the tail end of high heat value gas pipeline 7, and with high heat value gas pipeline 7 through being threaded, high heat value gas and low-BTU gas can be through 26 ejections of second shower nozzle.And said shunting shower nozzle 23, first shower nozzle 24 and second shower nozzle 26 all are arranged at the same end of this dual-purpose fuel burner nozzle.
In addition, can know that the described dual-purpose burner of this embodiment also includes peep hole 1 and Connection Block 2 by Fig. 1; Whether said peep hole 1 is used for observing and normally lights, when ordinary production when burner is lighted a fire; Be used to monitor flame; Said peep hole 1 is through being threadedly connected to Connection Block 2 one sides, and said Connection Block 2 one sides are through being threadedly connected to first section of above-mentioned sleeve pipe 11, and said Connection Block 2 is used to connect high heat value gas pipeline 7 and sleeve pipe 11.
Further; Can know by Fig. 1; The described dual-purpose burner of these examples of implementation also includes first pressure measuring tie-in 80 that is connected with high heat value gas pipeline 7, second pressure measuring tie-in 82 that is connected with low-BTU gas pipeline 15 and the 3rd pressure measuring tie-in 83 that is connected with air duct 22, and said first, second and the 3rd pressure measuring tie-in are respectively applied for the atmospheric pressure value of measuring in each gas pipeline; This dual-purpose burner also includes and is arranged at low-BTU gas pipeline 15 bottoms in addition; And bubbling air pipeline 22 inside; Be deep into air cover 25 (hereinafter will be mentioned) inner igniting, test bar 10, this igniting, test bar 10 are used for the igniting of burner, when the fluid-mixing of uniform air and combustion gas (high heat value gas or the low-BTU gas) fire rod 10 of flowing through; And when being in the ignition gap of fire rod, lighted by the high tension spark of fire rod.
Further, can be known by Fig. 1 that the described dual-purpose burner of these examples of implementation also includes air cover 25, this air cover is connected through bolt through bolt and low-BTU gas pipeline 15 and air duct 22.
Further, in present embodiment, Connection Block 2 is fixed in through first fixation kit with high heat value gas pipeline 7, and this first fixation kit includes bolt 4, nut 5 and packing ring 6;
Further, in present embodiment, high heat value gas pipeline 7 is fixed in together through second fixation kit with low-BTU gas pipeline 15, and this second fixation kit includes bolt 12 and packing ring 13.
Further, in present embodiment, said low-BTU gas pipeline 15 is fixed in together through the 3rd fixation kit with air duct 22, and said the 3rd fixation kit includes bolt 16 and packing ring 17;
Further; For dual-purpose nozzle structure more stable; In present embodiment, said low-BTU gas pipeline 7, high heat value gas pipeline 15 and air duct 22 are also fixed through the 4th fixation kit in addition, and the 4th fixation kit includes bolt 20 and packing ring 21;
In addition, junction, the high heat value gas pipeline 7 at Connection Block 2 and high heat value gas pipeline 7 is provided with the size that pad is used to regulate its gap between them with junction, the low-BTU gas pipeline 15 of low-BTU gas pipeline 15 with the junction of air cover 25 and the junction of air cover 25 and air duct 22.
Further, high heat value gas pipeline 7 tube walls are provided with high heat value gas inlet 27, and low-BTU gas pipeline 15 tube walls are provided with low-BTU gas inlet 28, and air duct 22 tube walls are provided with air intake 29.
Further, the described high heat value gas of present embodiment is a natural-gas, and low-BTU gas is the mist of natural-gas and blast furnace gas.
Below in conjunction with said structure, describe the operation principle and the course of work of the said dual-purpose fuel burner nozzle of the utility model in detail:
At first; Operation principle: combustion gas (high heat value gas or low-BTU gas) gets into blast tube (high heat value gas pipeline 7 or low-BTU gas pipeline 15) through fuel gas inlet (high heat value gas inlet 27 or low-BTU gas inlet 28) under certain pressure, and adopts annular jet evenly to spray by second shower nozzle 26; Air also gets into air duct 22 under certain pressure, equally also adopt annular jet evenly to spray by first shower nozzle 24; Combustion gas mixes formation sky, combustion gas mixing fluid uniformly with air, when the ignition gap of this fluid stream process fire rod 10, lighted by the high tension spark of fire rod 10, overlaps at air to form precombustion chamber in 25, reaches the purpose that the retention flame burns.And the jet size through the control burner block can change the final muzzle velocity of flame gas, can form middling speed and even ejection air-flow at a high speed.
Secondly; The course of work: the described dual-purpose fuel burner nozzle of the utility model inside is equipped with high heat value gas pipeline 7 and low-BTU gas pipeline 15 simultaneously, when using high heating value gaseous fuel, for example during natural gas; The too high calorific value of natural gas via gas access gets into high heat value gas pipeline 7; Form mixed flow then through 26 ejections of second shower nozzle, and with the air that sprays by first shower nozzle 24, finally lighted by fire rod 10; In like manner; When using low calorific value gas fuel; The mist of natural gas and blast furnace gas for example, gaseous mixture gets into low-BTU gas pipeline 15 through the low-BTU gas inlet, then through 26 ejections of second shower nozzle; And form mixed flow with air, finally lighted by fire rod 10 by 24 ejections of first shower nozzle.It should be noted that low-BTU gas and high heat value gas are to work simultaneously.
The above only is a kind of embodiment of the utility model, should be pointed out that for those skilled in the relevant art, and under the prerequisite that does not break away from the principle of the invention, trickle modification and the improvement made also should be regarded as belonging to the protection domain of the utility model.
Claims (10)
1. a dual-purpose fuel burner nozzle is characterized in that it includes, sleeve pipe (11), and it is a hollow tubular structure; Be sheathed on the high heat value gas pipeline (7) of sleeve pipe (11) outside, air duct (22), shunting shower nozzle (23) and first shower nozzle (24) and second shower nozzle (26) that is sheathed on the low-BTU gas pipeline (15) of high heat value gas pipeline (7) outside and is sheathed on low-BTU gas pipeline (15) outside, wherein said shunting shower nozzle (23) is arranged at the tail end of sleeve pipe (11); Said first shower nozzle (24) is arranged at the tail end of low-BTU gas pipeline (15); Said second shower nozzle (26) is arranged at the tail end of high heat value gas pipeline (7).
2. dual-purpose fuel burner nozzle as claimed in claim 1; It is characterized in that; Also include peep hole (1) and Connection Block (2); Said peep hole (1) is through being threadedly connected to Connection Block (2) one sides, and the opposite side of said Connection Block (2) is through being threadedly connected to first section of said sleeve pipe (11), and said high heat value gas pipeline (7) and sleeve pipe (11) are fixed in one through Connection Block (2).
3. dual-purpose fuel burner nozzle as claimed in claim 1 is characterized in that, also includes first pressure measuring tie-in (80) that is used for high heat value gas pipeline (7) pressure, and it is arranged on the tube wall of high heat value gas pipeline (7); Be used to measure second pressure measuring tie-in (82) of low-BTU gas pipeline (15), it is arranged on the tube wall of low-BTU gas pipeline (15); Be used for the 3rd pressure measuring tie-in (83) of Measurement of Air pipeline (22) pressure, it is arranged on the tube wall of air duct (22).
4. dual-purpose fuel burner nozzle as claimed in claim 1 is characterized in that, said low-BTU gas pipeline (15) outer tube wall is provided with fire rod (10), and this fire rod (10) is bubbling air pipeline (22) inside simultaneously.
5. like claim 1 or 4 described dual-purpose fuel burner nozzles; It is characterized in that; Described dual-purpose burner also includes air cover (25), and this air cover (25) is connected with air duct (22) with low-BTU gas pipeline (15) through bolt, and said fire rod (10) is deep into air cover (25) inside.
6. dual-purpose fuel burner nozzle as claimed in claim 1 is characterized in that, Connection Block (2) is fixed through first fixation kit with high heat value gas pipeline (7); High heat value gas pipeline (7) and low-BTU gas pipeline (15) are fixed through second fixation kit; Said low-BTU gas pipeline (15) and air duct (22) are fixed through the 3rd fixation kit.
7. dual-purpose fuel burner nozzle as claimed in claim 6 is characterized in that, first fixation kit, second fixation kit and the 3rd fixation kit all include bolt and pad, and said first fixation kit also includes nut.
8. dual-purpose fuel burner nozzle as claimed in claim 1; It is characterized in that, in the junction of said Connection Block (2) and said high heat value gas pipeline (7), the junction of the junction of the junction of said high heat value gas pipeline (7) and said low-BTU gas pipeline (15), said low-BTU gas pipeline (15) and said air cover (25) and said air cover (25) and said air duct (22) is provided with and is used to regulate the big minipad of its gap between them.
9. dual-purpose fuel burner nozzle as claimed in claim 1; It is characterized in that; Said high heat value gas pipeline (7) tube wall is provided with high heat value gas inlet (27); Said low-BTU gas pipeline (15) tube wall is provided with low-BTU gas inlet (28), and said air duct (22) tube wall is provided with air intake (29).
10. dual-purpose fuel burner nozzle as claimed in claim 1; It is characterized in that; Said shunting shower nozzle (23), first shower nozzle (24) and second shower nozzle (26) are arranged at the tail end of sleeve pipe (11), low-BTU gas pipeline (15) and high heat value gas pipeline (7) respectively through screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200073189U CN202432521U (en) | 2012-01-06 | 2012-01-06 | Dual-purpose fuel gas burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200073189U CN202432521U (en) | 2012-01-06 | 2012-01-06 | Dual-purpose fuel gas burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202432521U true CN202432521U (en) | 2012-09-12 |
Family
ID=46781962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200073189U Expired - Lifetime CN202432521U (en) | 2012-01-06 | 2012-01-06 | Dual-purpose fuel gas burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202432521U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105950220A (en) * | 2016-06-28 | 2016-09-21 | 上海齐耀热能工程有限公司 | Adjustable integrated gasification startup burner |
-
2012
- 2012-01-06 CN CN2012200073189U patent/CN202432521U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105950220A (en) * | 2016-06-28 | 2016-09-21 | 上海齐耀热能工程有限公司 | Adjustable integrated gasification startup burner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120912 |
|
| CX01 | Expiry of patent term |