CN217464511U - Byproduct hydrogen energy combustion device - Google Patents
Byproduct hydrogen energy combustion device Download PDFInfo
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- CN217464511U CN217464511U CN202221467766.7U CN202221467766U CN217464511U CN 217464511 U CN217464511 U CN 217464511U CN 202221467766 U CN202221467766 U CN 202221467766U CN 217464511 U CN217464511 U CN 217464511U
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Abstract
The utility model relates to a byproduct hydrogen can burner belongs to hydrogen energy recycle's technical field. The byproduct hydrogen energy combustion device comprises: comprises an air injection device, a burner and a boiler which are connected in sequence; the gas injection device is connected with a hydrogen pipeline and a natural gas pipeline, the hydrogen pipeline is provided with a flame arrester, and the hydrogen pipeline is connected with a nitrogen pipeline; the burner is connected with a natural gas pipeline; the combustion-supporting air pipeline is sequentially connected with the mixer, the combustion-supporting fan and the combustor; the boiler is connected with a smoke exhaust pipeline, and the smoke exhaust pipeline is connected with the mixer; the air injection device is provided with a secondary over-fire air channel, a hydrogen channel, a primary stable-combustion air channel and a central long-time open fire channel from outside to inside; in the jet device, one end connected with the combustor is provided with a stable combustion disc, and the ejection end of the hydrogen channel is provided with a jet orifice. The utility model provides a byproduct hydrogen can burner, byproduct hydrogen can obtain the high-efficient utilization, and the burning is stable, and factor of safety is high, and degree of automation is high.
Description
Technical Field
The utility model relates to a byproduct hydrogen can burner belongs to hydrogen energy recycle's technical field.
Background
In the electrolysis industry, a large amount of hydrogen byproducts are generated, but because hydrogen is a flammable and explosive product and is a byproduct, a large amount of other mixed gas can be naturally generated, and the hydrogen is unstable and is not sufficiently combusted in the combustion process, so that the hydrogen is rarely fully utilized or recycled and can only be discharged, and a large amount of hydrogen can be wasted; with the enhancement of environmental protection, the byproduct hydrogen must be recovered, but in the combustion process of the boiler, the problems of hydrogen explosiveness, fast combustion speed of hydrogen, easy tempering and the like are faced, so that an efficient mode for recovering hydrogen energy is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the above-mentioned defect that prior art exists, provide a byproduct hydrogen can burner, byproduct hydrogen can obtain the high-efficient utilization, and the burning is stable, and factor of safety is high, and degree of automation is high.
Byproduct hydrogen can burner: comprises an air injection device, a burner and a boiler which are connected in sequence; the gas injection device is connected with a hydrogen pipeline and a natural gas pipeline, and the hydrogen pipeline is provided with a flame arrester which prevents backfire.
A nitrogen pipeline is connected to the hydrogen pipeline behind the flame arrester; the combustor is connected with a natural gas pipeline; the combustor adopts a special hydrogen combustor, fully considers the characteristics of two fuels (natural gas and hydrogen), realizes stable and full combustion and safe operation, and is suitable for the fluctuation of the pressure and the heat value of the fuel within a certain range.
The combustion-supporting air pipeline is connected with the mixer, the mixer is connected with the combustion-supporting fan, and the combustion-supporting fan is connected with the combustor;
the boiler is connected with a smoke exhaust pipeline, and the smoke exhaust pipeline is connected with the mixer;
the air injection device is provided with a secondary over-fire air channel, a hydrogen channel, a primary stable-combustion air channel and a central long-time open fire channel from outside to inside; in the jet device, one end connected with the combustor is provided with a stable combustion disc, and the ejection end of the hydrogen channel is provided with a circle of jet holes. The central long open fire channel is arranged at the central position of the burner, and the wind resistance and the gas pressure fluctuation are fully considered in the structure, so that the stable combustion of flame can be maintained, and the flame does not break off. The primary combustion stabilizing air channel sprays primary air into a hearth of the boiler from the inside of the combustor through the combustion stabilizing disc, high-speed rotating airflow forms a certain low-pressure area in the center of the airflow to promote high-temperature flue gas to flow back, so that the primary combustion stabilizing air channel is matched with the central flame in the long open flame to ensure that no flame is generated during combustion.
The gas injection holes inject hydrogen from multiple directions, and the hydrogen is combusted in an external mixing mode and is arranged in a flat flame mode, so that a stable gas source is provided for forming a relatively stable root flame.
The secondary overfire air channel horizontally ejects the secondary overfire air at a high speed, can effectively control the diffusion diameter and length of flame, form a regular flame shape, provide sufficient air for secondary hydrogen to realize secondary combustion, and ensure 100 percent complete and sufficient combustion of fuel gas.
Preferably, the hydrogen pipeline and the natural gas pipeline are provided with pneumatic stop valves, and compressed air is provided by a compressed air pipeline. The zero-leakage gas special pneumatic quick-cutting ball valve is used as a quick safety cut-off valve, the closing time is less than 2S, and the fuel supply is cut off in the shortest time after problems occur.
Preferably, a manual valve is provided on the hydrogen line.
Preferably, a valve is arranged on the natural gas pipeline.
Preferably, the combustion-supporting air pipeline is provided with an air regulating valve.
Preferably, an igniter is provided on the burner.
Preferably, a water drain valve is arranged on the boiler.
Preferably, two fire detection probes are arranged on the combustor and used for detecting flame, and when the two fire detection probes simultaneously detect no fire, the boiler cuts off fuel in a linked mode, and the boiler is shut down.
Because the explosion limit range of hydrogen is as wide as 4.1-74.2%, the utility model adopts the special flame arrester for hydrogen, and sets the nitrogen purging pipeline on the hydrogen pipeline, when blowing out for a long time and before igniting again, all the hydrogen pipelines should be purged and replaced by nitrogen, and a blind plate is added at the hydrogen pipeline and the combustion connection, namely at the manual valve; a combustion fan is started to ventilate the hearth when the furnace is shut down for a short time; the combustor tracks the hydrogen content of the fire detection probe to carry out proportion adjustment, the fuel working condition is fully considered, and the stability of combustion is realized.
The utility model discloses a byproduct hydrogen energy combustion device adopts the proportion regulation control burning air supply volume, calculates the percentage of air distribution according to the fuel characteristic of selected burning, and the air distribution ratio is set according to the on-site burning situation, and the parameter is preserved and fixed after debugging normal; the gas and air are controlled by separate channels, and the air/gas ratio is set on line, so that the phenomenon that the boiler cannot automatically run due to the transmission error of a connecting rod cannot occur; the burner is designed in such a way that the working condition of fuel is fully considered, and the gas fuel, the heat value and the like are stably and fully combusted; the combustion air supply quantity is controlled by adopting frequency conversion proportion regulation, the air distribution percentage is calculated according to the characteristics of the selected fuel to be combusted, and the main operation working condition is displayed on a computer display screen, so that the method is simple and clear and is easy to master; the parameters are solidified after debugging, and the automatic protection function is provided to prevent the execution of misoperation commands. The bottom of the boiler is provided with a water drain valve, and a large amount of water generated after the hydrogen is combusted is discharged in time.
The utility model has the advantages that:
(1) the byproduct hydrogen energy combustion device of the utility model realizes the automatic switching of hydrogen and natural gas, and avoids the great fluctuation of steam pressure;
(2) the utility model adopts a whole set of automatic control to avoid the delay of field operation;
(3) byproduct hydrogen can burner, be provided with central ever-burning flame passageway and use the natural gas as central ever-burning flame, prevent that the combustor from putting out a fire.
Drawings
FIG. 1 is a schematic structural view of a byproduct hydrogen energy combustion apparatus of the present invention;
fig. 2 is a schematic structural view of an air jet device of the present invention;
in fig. 1: 1. a compressed air line; 2. a nitrogen line; 3. a hydrogen gas line; 4. a natural gas pipeline; 5. a combustion air line; 6. a flame arrestor; 7. a manual valve; 8. a valve; 9. an air regulating valve; 10. a pneumatic shut-off valve; 11. an air injection device; 12. a burner; 13. a boiler; 14. an igniter; 15. a mixer; 16. a combustion fan; 17. a smoke exhaust line; 18. a water drain valve; 19. a fire detection probe;
in fig. 2: 11-1, a hydrogen channel; 11-2, a central ever-burning flame channel; 11-3, a primary stable combustion air channel; 11-4, a secondary over-fire air channel; 11-5, a stable combustion disc; 11-6 and gas injection holes.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
When the combustion hydrogen content is 50-60%, as shown in fig. 1, the byproduct hydrogen energy combustion device: comprises an air injection device 11, a combustor 12 and a boiler 13 which are connected in sequence; the gas injection device 11 is connected with a hydrogen pipeline 3 and a natural gas pipeline 4, the hydrogen pipeline 3 is provided with a flame arrester 6, and the flame arrester 6 prevents backfire.
A nitrogen pipeline 2 is connected to a hydrogen pipeline 3 behind the flame arrester 6; the burner 12 is connected with the natural gas pipeline 4; the combustor 12 is a special hydrogen combustor, fully considers the characteristics of two fuels (natural gas and hydrogen), realizes stable and full combustion and safe operation, and is suitable for the fluctuation of the pressure and the heat value of the fuel within a certain range.
The combustion-supporting air pipeline 5 is connected with a mixer 15, the mixer 15 is connected with a combustion-supporting fan 16, and the combustion-supporting fan 16 is connected with the combustor 12;
the boiler 13 is connected with a smoke exhaust pipeline 17, and the smoke exhaust pipeline 17 is connected with the mixer 15;
as shown in fig. 2, the air injection device 11 is provided with a secondary over-fire air channel 11-4, a hydrogen channel 11-1, a primary stable-fire air channel 11-3 and a central open flame channel 11-2 from outside to inside at one time; in the jet device 11, one end connected with the combustor 12 is provided with a stable combustion disc 11-5, and the ejection end of the hydrogen channel 1-1 is provided with a circle of jet holes 11-6. The central long open flame channel 11-2 is arranged at the central position of the burner, and the structure thereof fully considers the wind resistance and the gas pressure fluctuation, and can maintain the stable combustion of flame without flame breaking. The primary combustion stabilizing air channel 11-3 sprays primary air into a hearth of the boiler from the inside of the combustor through the combustion stabilizing disc, high-speed rotating airflow forms a certain low-pressure area in the center of the airflow to promote high-temperature flue gas to flow back, so that the primary combustion stabilizing air channel is matched with the central flame in the long open flame to ensure that no flame is generated during combustion.
The gas injection holes 11-6 inject hydrogen from multiple directions, and the hydrogen is combusted in an external mixing mode and is arranged in a flat flame mode to provide a stable gas source for forming a relatively stable root flame.
The secondary overfire air channel 11-4 horizontally ejects the secondary overfire air at a high speed, can effectively control the diffusion diameter and length of flame, form a regular flame shape, provide sufficient air for secondary hydrogen to realize secondary combustion, and ensure 100 percent of complete and sufficient combustion of fuel gas.
A plurality of pneumatic shut-off valves 10 are arranged on the hydrogen pipeline 3 and the natural gas pipeline 4, and compressed air is provided by the compressed air pipeline 1.
The hydrogen pipeline 3 is provided with a manual valve 7, a zero-leakage gas special pneumatic quick-cutting ball valve is used as a quick safety cut-off valve, the closing time is less than 2S, and the fuel supply is cut off in the shortest time after problems occur.
The natural gas line 4 is provided with a valve 8.
An air regulating valve 9 is arranged on the combustion-supporting air pipeline 5.
An igniter 14 is provided on the burner 12.
The boiler 13 is provided with a water drain valve 18.
The burner 12 is provided with a flame detection probe 19.
Because the explosion limit range of hydrogen is as wide as 4.1-74.2%, the utility model adopts the special flame arrester for hydrogen, and sets the nitrogen purging pipeline on the hydrogen pipeline, when blowing out for a long time and before igniting again, all the hydrogen pipelines should be purged and replaced by nitrogen, and a blind plate is added at the hydrogen pipeline and the combustion connection, namely at the manual valve 7; and a combustion fan is started to ventilate the hearth when the furnace is shut down for a short time.
The utility model discloses a byproduct hydrogen energy combustion device, adopt the proportion regulation control burning air supply volume, calculate the percentage of air distribution according to the fuel characteristic of selected burning, air distribution ratio is set for according to the scene combustion situation, the parameter is preserved fixedly after debugging normal; the gas and air are controlled by separate channels, and the air/gas ratio is set on line, so that the phenomenon that the boiler cannot automatically run due to the transmission error of a connecting rod cannot occur; the design of the burner fully considers the working condition of the fuel, and the gas fuel, the heat value and the like realize stable and full combustion; the combustion air supply quantity is controlled by adopting frequency conversion proportion regulation, the air distribution percentage is calculated according to the characteristics of the selected fuel to be combusted, and the main operation working condition is displayed on a computer display screen, so that the method is simple and clear and is easy to master; the parameters are solidified after debugging, and the automatic protection function is provided to prevent the execution of misoperation commands. The bottom of the boiler is provided with a water drain valve, and a large amount of water generated after the hydrogen is combusted is discharged in time.
Of course, the above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the embodiments of the present invention. The present invention is not limited to the above examples, and the technical field of the present invention is equivalent to the changes and improvements made in the actual range of the present invention, which should be attributed to the patent coverage of the present invention.
Claims (8)
1. The utility model provides a byproduct hydrogen can burner which characterized in that: comprises an air injection device (11), a burner (12) and a boiler (13), which are connected in sequence; the gas injection device (11) is connected with a hydrogen pipeline (3) and a natural gas pipeline (4), the hydrogen pipeline (3) is provided with a flame arrester (6), and the hydrogen pipeline (3) behind the flame arrester (6) is connected with a nitrogen pipeline (2); the combustor (12) is connected with the natural gas pipeline (4);
the combustion-supporting air pipeline (5) is connected with a mixer (15), the mixer (15) is connected with a combustion-supporting fan (16), and the combustion-supporting fan (16) is connected with a combustor (12);
the boiler (13) is connected with a smoke exhaust pipeline (17), and the smoke exhaust pipeline (17) is connected with the mixer (15);
the air injection device (11) is provided with a secondary over-fire air channel (11-4), a hydrogen channel (11-1), a primary stable-fire air channel (11-3) and a central open flame channel (11-2) from outside to inside at one time; a stable combustion disc (11-5) is arranged at one end of the gas injection device (11) connected with the combustor (12), and a circle of gas injection holes (11-6) are arranged at the ejection end of the hydrogen channel (11-1).
2. The byproduct hydrogen energy combustion apparatus according to claim 1, wherein: pneumatic cut-off valves (10) are arranged on the hydrogen pipeline (3) and the natural gas pipeline (4), and compressed air is provided by the compressed air pipeline (1).
3. The byproduct hydrogen energy combustion apparatus according to claim 1, wherein: a manual valve (7) is arranged on the hydrogen pipeline (3).
4. The byproduct hydrogen energy combustion apparatus according to claim 1, wherein: the natural gas pipeline (4) is provided with a valve (8).
5. The byproduct hydrogen energy combustion apparatus according to claim 1, wherein: an air regulating valve (9) is arranged on the combustion-supporting air pipeline (5).
6. The byproduct hydrogen energy combustion apparatus according to claim 1, wherein: an igniter (14) is arranged on the combustor (12).
7. The byproduct hydrogen energy combustion apparatus according to claim 1, wherein: the boiler (13) is provided with a water drain valve (18).
8. The byproduct hydrogen energy combustion apparatus according to claim 1, wherein: two fire detection probes (19) are arranged on the combustor (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221467766.7U CN217464511U (en) | 2022-06-13 | 2022-06-13 | Byproduct hydrogen energy combustion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221467766.7U CN217464511U (en) | 2022-06-13 | 2022-06-13 | Byproduct hydrogen energy combustion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217464511U true CN217464511U (en) | 2022-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221467766.7U Active CN217464511U (en) | 2022-06-13 | 2022-06-13 | Byproduct hydrogen energy combustion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217464511U (en) |
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2022
- 2022-06-13 CN CN202221467766.7U patent/CN217464511U/en active Active
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| GR01 | Patent grant | ||
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Address after: No.5, No.4 Road, Gaoqing Chemical Industrial Park, Gaocheng Town, Gaoqing County, Zibo City, Shandong Province, 256300 Patentee after: Nanda Optoelectronics (Zibo) Co.,Ltd. Address before: No.5, No.4 Road, Gaoqing Chemical Industrial Park, Gaocheng Town, Gaoqing County, Zibo City, Shandong Province, 256300 Patentee before: Shandong Feiyuan Gas Co.,Ltd. |