CN221035736U - High-hydrogen low-nitrogen combustor - Google Patents
High-hydrogen low-nitrogen combustor Download PDFInfo
- Publication number
- CN221035736U CN221035736U CN202322612941.8U CN202322612941U CN221035736U CN 221035736 U CN221035736 U CN 221035736U CN 202322612941 U CN202322612941 U CN 202322612941U CN 221035736 U CN221035736 U CN 221035736U
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- CN
- China
- Prior art keywords
- burner
- gas
- assembly
- fuel
- refractory brick
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 239000001257 hydrogen Substances 0.000 title claims abstract description 25
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 25
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 21
- 239000002737 fuel gas Substances 0.000 claims abstract description 32
- 239000011449 brick Substances 0.000 claims abstract description 31
- 239000007789 gas Substances 0.000 claims abstract description 25
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000003584 silencer Effects 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract description 18
- 239000000446 fuel Substances 0.000 abstract description 15
- 239000007921 spray Substances 0.000 abstract description 10
- 238000012946 outsourcing Methods 0.000 abstract description 6
- 230000009970 fire resistant effect Effects 0.000 description 8
- 230000001174 ascending effect Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Abstract
The utility model relates to the technical field of burners, in particular to a high-hydrogen low-nitrogen burner which comprises a refractory brick mounting plate and burner refractory bricks positioned at the top of the refractory brick mounting plate; the manifold assembly is installed on the left side above the refractory brick mounting plate, and the gas shower nozzle is arranged on the right side above the refractory brick mounting plate. According to the utility model, the fuel gas is separately supplied to the gas nozzle in a grading manner, so that multiple fuel gases can be combusted simultaneously; the unique gas spray head and the burner refractory brick structure are arranged, the hydrogen with 100% content can be combusted, the problems that the existing burner is high in nitrogen oxide emission and poor in fuel gas adaptability are solved, only fuel gas with similar heat value can be combusted, a large amount of high-hydrogen gas can be produced by a factory under specific occasions, but the burner cannot meet the requirements of outsourcing fuel, on one hand, the self-produced fuel cannot be used, and on the other hand, the outsourcing fuel gas supports the energy requirement of the factory.
Description
Technical Field
The utility model relates to the technical field of combustors, in particular to a high-hydrogen low-nitrogen combustor.
Background
The burner is a main heat release device of a heating furnace in the petroleum refining and chemical industry fields, is a device for spraying and mixing fuel and air in a certain mode for combustion, and is divided into industrial burners, civil burners and special burners according to types and application fields.
However, the existing burner has the problems of high emission of nitrogen oxides and poor adaptability of fuel gas, and can only burn fuel gas with similar heat value; in specific occasions, the factory self-produces a large amount of high-hydrogen gas, but the burner cannot meet the requirement that only the fuel can be purchased externally, on the one hand, the self-produced fuel cannot be used, and on the other hand, the fuel gas purchased externally supports the energy requirement of the factory, so that the high-hydrogen low-nitrogen burner is provided.
Disclosure of utility model
The present utility model is directed to a high-hydrogen low-nitrogen burner, which solves the problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a high-hydrogen low-nitrogen burner comprises a refractory brick mounting plate and burner refractory bricks positioned on the top of the refractory brick mounting plate;
The utility model discloses a fire-resistant, fire-resistant and fire-resistant air conditioning system, including fire-resistant mounting panel, air chamber subassembly, muffler assembly, front bezel, air control handle, front bezel, subassembly, air control handle, fire-resistant mounting panel top, the manifold assembly is installed in the left side of fire-resistant mounting panel top, the right side of fire-resistant mounting panel top is provided with the gas shower nozzle, the right side of fire-resistant mounting panel bottom is connected with the air chamber subassembly, one side of air chamber subassembly is provided with the manifold assembly, the muffler assembly is installed to the below of manifold assembly, the below of muffler assembly is connected with high energy ignition pilot lamp, one side of high energy ignition pilot lamp is provided with front bezel and subassembly, the air control handle is installed to the opposite side of front bezel and subassembly.
Preferably, one end of the manifold assembly is connected with an S-stage riser assembly, one side of which is provided with a P-stage riser assembly.
Preferably, burner refractory bricks are mounted on top of the refractory brick mounting plate.
Preferably, the surfaces of the front plate and the assembly are provided with ignition holes and viewing holes, respectively.
Preferably, the gas injector is a separately removable high alloy fuel gas injector.
Preferably, the S-stage riser assembly and the P-stage riser assembly are made of stainless steel.
The above description shows that the technical problems to be solved by the present application can be solved by the above technical solutions of the present application.
Meanwhile, through the technical scheme, the utility model has at least the following beneficial effects:
According to the utility model, the fuel gas is separately supplied to the gas nozzle in a grading manner, so that multiple fuel gases can be combusted simultaneously; the unique gas spray head and burner refractory brick structure is arranged, so that 100% of hydrogen can be combusted, the problems that the existing burner is high in nitrogen oxide emission and poor in fuel gas adaptability are solved, only fuel gas with similar heat value can be combusted, a large amount of high-hydrogen gas can be produced by a factory under specific occasions, but the burner cannot meet the requirements and only the fuel can be purchased externally, on one hand, the self-produced fuel cannot be used, and on the other hand, the energy requirement of the factory is supported by the externally purchased fuel gas;
The utility model has compact structure, is characterized in that the utility model is suitable for the space size with smaller burner spacing, reduces the interference of the traditional bellows and heating furnace structure as much as possible, realizes the whole process from the minimum heat release to the design heat release to the controllable surplus air coefficient, and simultaneously can realize the air inlet control of a single burner and the linkage control of a plurality of burner air door connecting rods.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic side view of the present utility model;
FIG. 3 is a bottom view of the present utility model;
FIG. 4 is a schematic structural view of the P-stage riser assembly and S-stage riser assembly of the present utility model;
FIG. 5 is a schematic structural view of the P-stage riser assembly of the present utility model;
fig. 6 is a schematic view of the construction of the S-stage riser assembly of the present utility model.
In the figure: 1. a refractory brick mounting plate; 2. burner refractory bricks; 3. a plenum assembly; 4. a front plate and an assembly; 5. a muffler assembly; 6. a manifold assembly; 7. high-energy ignition pilot lamp; 8. a P-stage riser assembly; 9. s-stage riser assembly; 10. a gas shower; 11. an air control handle; 12. an ignition hole; 13. and (5) looking at the fire hole.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Description of the preferred embodiments
As shown in fig. 1-6, the present utility model provides a technical solution: a high-hydrogen low-nitrogen burner comprises a refractory brick mounting plate 1 and burner refractory bricks 2 positioned on the top of the refractory brick mounting plate 1;
The left side above the refractory brick mounting plate 1 is provided with a manifold assembly 6, the right side above the refractory brick mounting plate 1 is provided with a gas spray head 10, the gas spray head 10 is a high alloy fuel gas nozzle which can be independently detached, the top of the refractory brick mounting plate 1 is provided with a burner refractory brick 2, and multiple fuel gases can be simultaneously combusted by separately supplying fuel gas to the gas spray head 10 in a grading manner; the special structure of the gas spray head 10 and the burner refractory brick 2 can burn 100% hydrogen, the problem that the existing burner is high in nitrogen oxide emission and poor in adaptability to fuel gas is solved, only the fuel gas with similar heat value can be burned, a large amount of high-hydrogen gas can be produced by a factory under specific occasions, but the burner cannot meet the requirement of outsourcing fuel, on one hand, the fuel cannot be used by the self-produced fuel, on the other hand, the problem of energy requirement of the outsourcing fuel gas supporting factory is solved, the right side of the bottom of the refractory brick mounting plate 1 is connected with the air chamber component 3, one side of the air chamber component 3 is provided with the manifold assembly 6, the silencer assembly 5 is arranged below the manifold assembly 6, the high-energy ignition pilot lamp 7 is connected below the silencer assembly 5, one side of the high-energy ignition pilot lamp 7 is provided with the front plate and the component 4, the ignition hole 12 and the fire hole 13 are respectively formed in the surfaces of the front plate and the component 4, the other side of the front plate and the component 4 is provided with the air control handle 11, one end of the manifold assembly 6 is connected with the S-stage lifting component 9,S, one side of the manifold assembly 9,S is provided with the air inlet pipe assembly, the air inlet pipe assembly 539 is provided with the air inlet pipe assembly, the air inlet pipe is compact in size, the air inlet pipe assembly is compact in size, and can be connected with the air inlet pipe assembly P and has the air inlet pipe assembly 3, the air inlet duct has the small size and can be connected with the air inlet duct and has the air inlet duct and air compressor structure.
From the above, it can be seen that:
The utility model aims at the technical problems that: the existing burner has the problems of high emission of nitrogen oxides and poor adaptability of fuel gas, and can only burn fuel gas with similar heat value; in specific occasions, the factory self-produces a large amount of high-hydrogen gas, but the burner cannot meet the requirement that only the fuel can be purchased, on the one hand, the self-produced fuel cannot be used, and on the other hand, the fuel gas is purchased to support the energy requirement of the factory; the technical scheme of each embodiment is adopted. Meanwhile, the implementation process of the technical scheme is as follows:
When the high-hydrogen low-nitrogen burner is used, the high-hydrogen low-nitrogen burner is a circular flame ultralow-nitrogen burner which burns gas, the design adopts the special design of the inclination of the refractory bricks 2 of the burner, adopts the graded fuel gas inlet technology, and combines the circulating air recirculation technology in a hearth and the laminated flame technology at the same time so as to achieve the aim of reducing NOx emission; meanwhile, the high-hydrogen low-nitrogen burner adopts a pilot hole design utilizing the coanda effect, so that fuel gas for pilot can be stably attached to the inner wall of a burner block, and the design can enable the burner to generate stable combustion performance under the condition of extremely low fuel pressure, thereby allowing the burner to have a large operation regulation ratio; all the P-stage ascending pipe assembly 8, the S-stage ascending pipe assembly 9 and the gas spray heads 10 of the high-hydrogen low-nitrogen burner are protected on the burner refractory bricks 2, the number of ascending pipes is related to the selection and the size of the burner, normally, one half of the gas spray heads 10 are designed into primary nozzles, the other half of the gas spray heads 10 are designed into secondary nozzles, the fuel gas of the primary nozzles is sprayed and combusted along the short-side inclined areas of the burner refractory bricks 2, and the secondary nozzles are sprayed and combusted along the long-side inclined areas of the burner refractory bricks 2; according to different requirements, the high-hydrogen low-nitrogen burner can be designed into a bottom-firing type, a top-firing type and a side-firing type; finally, the high-hydrogen low-nitrogen burner has a wide range of combustion gas, wherein the combustion gas comprises low-pressure tail gas (such as PSA gas) and 100% hydrogen, according to the requirements of customers, the burner can be specially designed into double-pipeline air inlet so that customers can respectively burn the low-pressure tail gas and the supplementary gas through different pipelines, the burner can also be designed into a use condition suitable for natural ventilation or a use condition of preheated air, and the PSMR burner can be used in various ethylene cracking furnace types, and can well meet the requirements of a cracking furnace heat flux curve and the requirements of tail gas emission indexes;
Through the arrangement, the application can solve the technical problems, and simultaneously realize the following technical effects:
The utility model can realize simultaneous combustion of multiple fuel gases by separately supplying the fuel gases to the gas nozzle 10 in a grading manner; the unique gas spray head 10 and the burner refractory brick 2 are structurally arranged, so that 100% of hydrogen can be combusted, the problems that the existing burner is high in nitrogen oxide emission and poor in fuel gas adaptability are solved, only fuel gas with similar heat value can be combusted, a large amount of high-hydrogen gas can be produced by a factory under specific occasions, but the burner cannot meet the requirements of only outsourcing fuel, on one hand, the self-produced fuel cannot be used, and on the other hand, the outsourcing fuel gas supports the energy requirement of the factory;
The utility model has compact structure, is characterized in that the utility model is suitable for the space size with smaller burner spacing, reduces the interference of the traditional bellows and heating furnace structure as much as possible, realizes the whole process from the minimum heat release to the design heat release to the controllable surplus air coefficient, and simultaneously can realize the air inlet control of a single burner and the linkage control of a plurality of burner air door connecting rods.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The high-hydrogen low-nitrogen burner is characterized by comprising a refractory brick mounting plate (1) and burner refractory bricks (2) positioned on the top of the refractory brick mounting plate (1);
The left side of resistant firebrick mounting panel (1) top is installed manifold assembly (6), the right side of resistant firebrick mounting panel (1) top is provided with gas shower nozzle (10), the right side of resistant firebrick mounting panel (1) bottom is connected with air chamber subassembly (3), one side of air chamber subassembly (3) is provided with manifold assembly (6), silencer assembly (5) are installed to the below of manifold assembly (6), the below of silencer assembly (5) is connected with high-energy ignition pilot lamp (7), one side of high-energy ignition pilot lamp (7) is provided with front bezel and subassembly (4), air control handle (11) are installed to the opposite side of front bezel and subassembly (4).
2. A high hydrogen low nitrogen burner according to claim 1, characterized in that one end of the manifold assembly (6) is connected with a S-stage riser assembly (9), one side of the S-stage riser assembly (9) being provided with a P-stage riser assembly (8).
3. A high hydrogen low nitrogen burner according to claim 2, characterized in that the burner tile (2) is mounted on top of the tile mounting plate (1).
4. A high hydrogen low nitrogen burner according to claim 1, characterized in that the surfaces of the front plate and the assembly (4) are provided with ignition holes (12) and viewing holes (13), respectively.
5. A high hydrogen low nitrogen burner according to claim 1, wherein said gas injector (10) is a separately removable high alloy fuel gas nozzle.
6. A high hydrogen low nitrogen burner according to claim 2, wherein the S-stage riser assembly (9) and the P-stage riser assembly (8) are both stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322612941.8U CN221035736U (en) | 2023-09-26 | 2023-09-26 | High-hydrogen low-nitrogen combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322612941.8U CN221035736U (en) | 2023-09-26 | 2023-09-26 | High-hydrogen low-nitrogen combustor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221035736U true CN221035736U (en) | 2024-05-28 |
Family
ID=91166779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322612941.8U Active CN221035736U (en) | 2023-09-26 | 2023-09-26 | High-hydrogen low-nitrogen combustor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221035736U (en) |
-
2023
- 2023-09-26 CN CN202322612941.8U patent/CN221035736U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |