CN221258843U - Hydrogen burner - Google Patents
Hydrogen burner Download PDFInfo
- Publication number
- CN221258843U CN221258843U CN202322858171.5U CN202322858171U CN221258843U CN 221258843 U CN221258843 U CN 221258843U CN 202322858171 U CN202322858171 U CN 202322858171U CN 221258843 U CN221258843 U CN 221258843U
- Authority
- CN
- China
- Prior art keywords
- hydrogen
- nozzle
- venturi
- pipeline
- venturi throat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 126
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 126
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 123
- 238000002485 combustion reaction Methods 0.000 abstract description 13
- 239000000446 fuel Substances 0.000 abstract description 5
- 150000002431 hydrogen Chemical class 0.000 abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 2
- 239000001301 oxygen Substances 0.000 abstract description 2
- 229910052760 oxygen Inorganic materials 0.000 abstract description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000003345 natural gas Substances 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000002803 fossil fuel Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Pre-Mixing And Non-Premixing Gas Burner (AREA)
Abstract
The utility model discloses a hydrogen burner which comprises a venturi throat shell, a hydrogen pipeline component, a hydrogen nozzle component and an annular fixing support, wherein the hydrogen nozzle component is arranged at the top end of the hydrogen pipeline component, the hydrogen pipeline component is arranged at the center of a circle in the venturi throat shell, and a nozzle of the hydrogen nozzle component is higher than a throat opening of the venturi throat shell. The venturi throat shell can ensure that sufficient air enters the upper part of the venturi throat after passing through the venturi throat shell from the bottom of the venturi throat shell, so that the air is contacted and mixed with hydrogen discharged by the hydrogen nozzle assembly, when hydrogen is introduced into a hydrogen pipeline, all the hydrogen can be ensured to enter the upper part of the venturi throat shell through the hydrogen nozzle and be fully mixed with the entering air, oxygen in the air is mixed in advance, premixing is realized, fuel and air are better mixed, combustion is more stable and sufficient, hydrogen combustion can be realized after ignition, hydrogen combustion is more sufficient, combustion efficiency is improved, and the problem that hydrogen combustion is insufficient is solved.
Description
Technical Field
The utility model relates to the technical field of combustors, in particular to a hydrogen combustor.
Background
With the enhancement of human awareness of environmental protection and the severe pressure facing the shortage of energy, it is important to use a heating method with high heating value, high heat utilization rate and environmental protection. The existing heat supply modes for equipment mainly comprise fossil fuels such as coal, natural gas and the like, biomass fuels and electric energy, wherein the fossil fuels have the defects of emission pollution and the like, the biomass fuels have the defects of low heat value, low utilization rate and the like, the electric energy cost is high, the heat efficiency is low, and in addition, the traditional heat supply method has the problems of high energy consumption, low heat utilization rate, environmental pollution and the like. The hydrogen energy is taken as a novel energy source, the combustion product is water, no waste residue and waste gas are generated, the environment is not polluted, in addition, the wind-solar-electricity hydrogen production is adopted, the problem of non-uniform space-time distribution of wind-solar resources can be effectively solved, a large amount of fossil energy sources such as coal, petroleum and natural gas can be replaced, the double-carbon target can be realized by assisting the country early, and the hydrogen energy has great significance for optimizing the national energy structure and ensuring the safety of energy strategy, so that the hydrogen energy can become the most ideal energy source in the twenty-first century.
But the hydrogen has the characteristics of small density and large diffusion coefficient, the diffusion speed in the air is 3.8 times that of the natural gas, compared with other combustible gases, the hydrogen is easier to diffuse quickly, and the combustible mixture formed by mixing the hydrogen and the air can be exploded by only needing ignition energy of 0.019 mJ. There is a need for a hydrogen burner that is well mixed with air and suitable for hydrogen fuel to solve the above problems.
Disclosure of utility model
The utility model mainly aims to provide a hydrogen burner which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The utility model provides a hydrogen combustor, includes venturi's throat shell, hydrogen pipeline subassembly and hydrogen nozzle subassembly, still includes annular fixed bolster, hydrogen nozzle subassembly sets up in the top of hydrogen pipeline subassembly, hydrogen pipeline subassembly sets up in the venturi's throat shell centre of a circle department, and the spout of hydrogen nozzle subassembly is higher than the laryngeal opening of venturi's throat shell.
Further, the annular fixing support is fixedly connected to the bottom of the venturi throat housing, and the hydrogen pipeline assembly penetrates through the circle center of the annular fixing support.
Further, the hydrogen pipe assembly comprises a hydrogen pipe and an internal threaded interface, and the hydrogen nozzle assembly comprises a hydrogen nozzle and an external threaded joint.
Further, the internal thread connector is arranged at the top of the hydrogen pipeline, and the external thread connector is fixedly connected to the bottom of the hydrogen nozzle.
Further, the external threaded connector at the bottom of the hydrogen nozzle is in threaded connection with the internal threaded connector at the top of the hydrogen pipeline.
Compared with the prior art, the utility model has the following beneficial effects:
The assembly consisting of the venturi throat shell, the hydrogen pipeline assembly, the hydrogen nozzle assembly and the annular fixed support is used for providing a set of mixed combustion assembly of hydrogen and air for hydrogen combustion, the hydrogen pipeline assembly is arranged at the center of the venturi throat shell, so that the operation position of the hydrogen pipeline assembly is positioned in the middle of the venturi throat shell, when the hydrogen pipeline assembly is filled with hydrogen, the venturi throat shell can ensure that sufficient air enters the upper part of the venturi throat through the bottom of the venturi throat shell after passing through the venturi throat shell, so that the air is contacted and mixed with the hydrogen exhausted by the hydrogen nozzle assembly, when the hydrogen pipeline is filled with hydrogen, all the hydrogen can be ensured to enter the upper part of the venturi throat shell through the hydrogen nozzle and be fully mixed with the entering air, oxygen in the air is mixed in advance, the premixing is realized, the fuel and the air are better mixed, the combustion is more stable and sufficient, the hydrogen combustion can be realized after the hydrogen combustion is ignited, the combustion efficiency is improved, and the problem of insufficient hydrogen combustion is solved.
Drawings
Fig. 1 is a schematic view of the overall structure of a hydrogen burner according to the present utility model.
FIG. 2 is a schematic bottom view of a hydrogen burner according to the present utility model.
FIG. 3 is a schematic cross-sectional view of a hydrogen burner according to the present utility model.
FIG. 4 is a schematic view of a hydrogen conduit assembly and a hydrogen nozzle assembly of a hydrogen burner according to the present utility model.
In the figure: 1. a venturi throat housing; 2. an annular fixing bracket; 3. a hydrogen conduit assembly; 301. a hydrogen pipe; 302. an internal threaded interface; 4. a hydrogen gas nozzle assembly; 401. a hydrogen gas nozzle; 402. an external thread joint.
Description of the embodiments
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-4, a hydrogen burner comprises a venturi housing 1, a hydrogen pipeline assembly 3 and a hydrogen nozzle assembly 4, and further comprises an annular fixing support 2, wherein the hydrogen nozzle assembly 4 is arranged at the top end of the hydrogen pipeline assembly 3, the hydrogen pipeline assembly 3 is arranged at the center of the circle in the venturi housing 1, and the nozzle of the hydrogen nozzle assembly 4 is higher than the throat of the venturi housing 1.
The annular fixing support 2 is fixedly connected to the bottom of the venturi throat housing 1, and the hydrogen pipeline assembly 3 penetrates through the circle center of the annular fixing support 2.
Wherein the hydrogen pipe assembly 3 comprises a hydrogen pipe 301 and an internal threaded interface 302, and the hydrogen nozzle assembly 4 comprises a hydrogen nozzle 401 and an external threaded joint 402.
The internal threaded connector 302 is provided at the top of the hydrogen pipe 301, and the external threaded connector 402 is fixedly connected to the bottom of the hydrogen nozzle 401.
Wherein, the external screw joint 402 at the bottom of the hydrogen nozzle 401 is screwed with the internal screw joint 302 at the top of the hydrogen pipeline 301.
Wherein the height dimension of the venturi throat housing 1 is h=50-500 mm.
Wherein the opening size of the venturi throat housing 1 is A=20-200 mm.
Wherein, the ratio of the height dimension of the upper half part of the venturi throat housing 1 to the height dimension of the lower half part of the venturi throat housing is L1: l2=0.5 to 2.0.
Wherein, the ratio of the size of the upper opening of the venturi throat housing 1 to the size of the lower opening of the venturi throat housing is A: c=0.5 to 2.0.
Wherein, the ratio of the size of the upper opening of the venturi throat housing 1 to the size of the throat opening of the venturi throat housing is A: b=1:0.7 to 1:0.1.
Wherein, the outer diameter dimension phi of the hydrogen pipeline 301 is 3-20 mm.
Wherein, the jet size e=0.5-10 mm of the hydrogen nozzle 401.
Wherein the position of the nozzle opening of the hydrogen nozzle 401 is higher than the position size f=0-50 mm of the throat opening of the venturi throat housing.
It should be noted that, in the present utility model, when the hydrogen burner is in operation, the hydrogen pipeline 301 is fixedly connected with the venturi housing 1 through the annular fixing support 2 at the bottom of the venturi housing 1, so that the hydrogen pipeline 301 is ensured to be in the middle of the inside of the venturi housing 1, when the hydrogen pipeline 301 is connected with an external hydrogen supply pipeline and hydrogen is introduced, the venturi housing 1 can ensure that sufficient air enters the upper part of the venturi housing 1 through the bottom of the venturi housing 1, so as to realize the mixing of the hydrogen and the air, an internal thread interface 302 is arranged in a pipeline at the upper end of the hydrogen pipeline 301, an external thread connector 402 corresponding to the internal thread interface 302 at the upper end of the hydrogen pipeline 301 is designed at the lower part of the hydrogen nozzle 401, so that the hydrogen pipeline 301 and the hydrogen nozzle 401 are connected in a mode of internal thread and external thread, when the hydrogen is introduced into the hydrogen pipeline 301, all the hydrogen can be ensured to enter the upper part of the venturi housing 1 through the hydrogen nozzle 401, so as to be fully mixed with the introduced air, and then the hydrogen can be fully burned.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a hydrogen combustor, includes venturi laryngeal housing (1), hydrogen pipeline subassembly (3) and hydrogen nozzle subassembly (4), its characterized in that still includes annular fixed bolster (2), hydrogen nozzle subassembly (4) set up in the top of hydrogen pipeline subassembly (3), hydrogen pipeline subassembly (3) set up centre of a circle department in venturi laryngeal housing (1), and the spout of hydrogen nozzle subassembly (4) is higher than the laryngeal opening of venturi laryngeal housing (1).
2. A hydrogen burner according to claim 1, wherein: the annular fixing support (2) is fixedly connected to the bottom of the venturi throat casing (1), and the hydrogen pipeline assembly (3) penetrates through the circle center of the annular fixing support (2).
3. A hydrogen burner according to claim 1, wherein: the hydrogen pipe assembly (3) comprises a hydrogen pipe (301) and an internal threaded interface (302), and the hydrogen nozzle assembly (4) comprises a hydrogen nozzle (401) and an external threaded joint (402).
4. A hydrogen burner according to claim 3, wherein: the internal thread connector (302) is arranged at the top of the hydrogen pipeline (301), and the external thread connector (402) is fixedly connected to the bottom of the hydrogen nozzle (401).
5. A hydrogen burner according to claim 4, wherein: an external threaded connector (402) at the bottom of the hydrogen nozzle (401) is in threaded connection with an internal threaded connector (302) at the top of the hydrogen pipeline (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322858171.5U CN221258843U (en) | 2023-10-24 | 2023-10-24 | Hydrogen burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322858171.5U CN221258843U (en) | 2023-10-24 | 2023-10-24 | Hydrogen burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221258843U true CN221258843U (en) | 2024-07-02 |
Family
ID=91653065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322858171.5U Active CN221258843U (en) | 2023-10-24 | 2023-10-24 | Hydrogen burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221258843U (en) |
-
2023
- 2023-10-24 CN CN202322858171.5U patent/CN221258843U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |