CN217947675U - Methanol pyrolysis hydrogen production combustion device - Google Patents
Methanol pyrolysis hydrogen production combustion device Download PDFInfo
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- CN217947675U CN217947675U CN202221397066.5U CN202221397066U CN217947675U CN 217947675 U CN217947675 U CN 217947675U CN 202221397066 U CN202221397066 U CN 202221397066U CN 217947675 U CN217947675 U CN 217947675U
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Abstract
The utility model discloses a methanol pyrolysis hydrogen production combustion device, which comprises a combustion cylinder body, wherein a left middle mixed gas chamber is communicated with a right combustion chamber; a plurality of bell mouths are arranged in the methanol atomization annular chamber, the right ends of the bell mouths are communicated with the right side combustion chamber, and atomized methanol nozzles are arranged at the left ends of the bell mouths; each atomized methanol nozzle is connected with a methanol storage through a delivery pipe; be equipped with many methyl alcohol pyrolysis tubes and combustible gas ring pipes in the combustion chamber, on the exit end of horn mouth was located to a mouth of pipe intercommunication of each methyl alcohol pyrolysis tube, the entrance that combustible gas ring pipe was located to another mouth of pipe intercommunication of each methyl alcohol pyrolysis tube was served, and a plurality of combustible gas spouts have been seted up to the hoop intercommunication on the inner circumference face of combustible gas ring pipe, and a plurality of combustible gas spout hoops distribute in ignition's right-hand member outside. The utility model provides a pair of methyl alcohol pyrolysis hydrogen production burner can improve methyl alcohol combustion calorific value, reduces the emission of pollutant.
Description
Technical Field
The utility model relates to a methyl alcohol combustion apparatus technical field especially relates to a methyl alcohol pyrolysis hydrogen manufacturing burner.
Background
The alcohol-hydrogen fuel is environment-friendly green energy, does not contain sulfur (CO, HC, NOx and PM), mainly contains water vapor and trace nitrogen oxides as combustion products, has no residue and residual liquid, has lower pollutant emission than fuels such as natural gas and diesel oil, and is considered to be clean energy second to hydrogen.
Traditional alcohol group fuel combustor is with methyl alcohol atomizing ignition burning, and liquid methyl alcohol combustion heat value can not obtain full play, has caused the waste of methyl alcohol, and the methyl alcohol that is not atomized simultaneously can be blown out, leads to can not thoroughly burn and polluted environment. The conventional direct methanol ignition combustion has a limited combustion heat value.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a methanol pyrolysis hydrogen production burner.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a methanol pyrolysis hydrogen production combustion device comprises a combustion barrel, wherein the combustion barrel is divided into a left middle mixed gas chamber, a left outer methanol atomization annular chamber and a right combustion chamber by a partition plate; the left middle mixed gas chamber is communicated with the right combustion chamber, a mixed gas containing cavity is arranged in the mixed gas chamber, and an ignition device is arranged in the mixed gas containing cavity; a plurality of bell mouths are arranged in the methanol atomization annular chamber, the right ends of the bell mouths are communicated with the right side combustion chamber, and atomized methanol nozzles are arranged at the left ends of the bell mouths; each atomized methanol nozzle is connected with a methanol storage through a delivery pipe; the combustion chamber is internally provided with a plurality of methanol pyrolysis tubes and a plurality of combustible gas annular tubes, one tube opening of each methanol pyrolysis tube is communicated with the outlet end of the horn mouth, the other tube opening of each methanol pyrolysis tube is communicated with the inlet end of the combustible gas annular tube, a plurality of combustible gas nozzles are arranged in the circumferential direction of the inner circumferential surface of the combustible gas annular tube, and the plurality of combustible gas nozzles are circumferentially distributed outside the right end of the ignition device.
Preferably, the number of the methanol pyrolysis tubes is 4, and each methanol pyrolysis tube is U-shaped; the bell mouths are 4.
Preferably, a plurality of heat insulation plates are arranged on the inner wall of the combustion chamber, are uniformly distributed in the circumferential direction and are positioned outside the methanol pyrolysis tube; the surface of each heat insulation plate facing the center of the combustion chamber is subjected to mirror surface treatment.
Preferably, a fan is arranged at the left end of each atomized methanol nozzle.
Preferably, a methanol return pipe is arranged in the methanol atomizing annular chamber; the methanol return pipe is connected with the methanol storage.
Preferably, a heat insulation material layer is arranged in the partition plate.
Preferably, the outer cylinder surface of the combustion cylinder is provided with a flame collecting and observing port in a penetrating way, and the flame collecting and observing port is right opposite to the position between the combustible gas nozzle and the ignition device.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) The alcohol-based fuel burner atomizes and ignites methanol for burning, so that the burning heat value of the atomized methanol can be fully exerted, and the waste of the methanol is avoided;
(2) In the process of preparing hydrogen by cracking methanol at high temperature, the methanol which is not atomized cannot be blown out, and the device can be completely combusted and avoid polluting the environment;
(3) The high-temperature cracking of the methanol can generate hydrogen and carbon monoxide, and the combustion heat value of the hydrogen and the carbon monoxide is higher than that of the direct combustion of the methanol, so that the combustion heat value of the methanol can be improved, and the emission of pollutants is reduced.
Drawings
Fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;
FIG. 2 is a schematic view of the internal three-dimensional structure of the present invention;
FIG. 3 is a schematic view of the internal three-dimensional structure of the present invention;
FIG. 4 is a schematic view of the internal three-dimensional structure of the present invention;
fig. 5 is an overall left side view of the present invention;
FIG. 6 is a sectional view taken along line B-B in FIG. 4;
fig. 7 is an overall right side view of the present invention;
fig. 8 is an overall bottom view of the present invention.
In the figure: 1. a combustion cylinder; 2. a partition plate; 3. a mixed gas chamber; 4. a methanol atomization annular chamber; 5. a combustion chamber; 6. a mixed gas containing chamber; 7. an ignition device; 8. a layer of thermal insulation material; 9. a bell mouth; 10. an atomized methanol nozzle; 11. a methanol storage; 12. a fan; 13. A methanol reflux pipe; 14. a methanol pyrolysis tube; 15. a combustible gas annular tube; 16. a combustible gas nozzle; 17. a flame collection and observation port; 18. a delivery pipe; 19. an insulating panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1-8, a methanol pyrolysis hydrogen production combustion device comprises a combustion cylinder 1, wherein the combustion cylinder 1 is internally divided into a left middle mixed gas chamber 3, a left outer methanol atomization annular chamber 4 and a right combustion chamber 5 by a partition plate 2. A layer of insulating material 8 is provided within the separator 2.
Left side middle part mist room 3 is linked together with right side combustion chamber 5, is equipped with mist in the mist room 3 and holds chamber 6, and mist holds and is equipped with ignition 7 in the chamber 6.
The right ends of 4 bell mouths 9,4 and 4 bell mouths 9 in the methanol atomization annular chamber 4 are communicated with the right side combustion chamber 5, and the left ends of the 4 bell mouths 9 are provided with atomized methanol nozzles 10. The 4 atomized methanol nozzles 10 are connected with a methanol storage 11 through a delivery pipe 18, and the methanol storage 11 is positioned outside the combustion cylinder 1. And the left end of each atomized methanol nozzle 10 is provided with a fan 12.
A methanol return pipe 13 is arranged in the methanol atomizing annular chamber 4; the methanol reflux pipe 13 is connected to the methanol storage 11.
Be equipped with 4 methyl alcohol pyrolysis tubes 14 and combustible gas ring pipes 15 in the combustion chamber 5, each methyl alcohol pyrolysis tube 14 is the U-shaped, and on the export end of horn mouth 9 was located to a mouth of pipe intercommunication of U-shaped methyl alcohol pyrolysis tube 14, on the entry end of combustible gas ring pipe 15 was located to another mouth of pipe intercommunication of U-shaped methyl alcohol pyrolysis tube 14, a plurality of combustible gas spouts 16 have been seted up to the hoop intercommunication on the inner circumference face of combustible gas ring pipe 15, a plurality of combustible gas spouts 16 hoop distribute in ignition 7's right-hand member outside.
A plurality of heat insulation plates 19 are arranged on the inner wall of the combustion chamber 5, the heat insulation plates 19 are uniformly distributed in the circumferential direction, and the heat insulation plates 19 are all positioned outside the methanol pyrolysis tube 14; the face of each heat shield plate 19 facing the center of the combustion chamber 5 is mirror-finished.
The outer cylinder surface of the combustion cylinder 1 is provided with a flame collecting and observing port 17 in a penetrating way, and the flame collecting and observing port 17 is just opposite to the position between the combustible gas nozzle 16 and the ignition device 7.
The utility model discloses a theory of operation does:
methanol atomization and air (provided with an inlet pipe) are introduced into the mixed gas accommodating cavity 6, the ignition device 7 is started at the same time, the mixture of the methanol and the air is ignited, and the heat of the methanol combustion starts to heat the methanol pyrolysis pipe 14 and the combustion chamber 5;
the inner wall of the combustion chamber 5 is provided with the heat insulation plate 19, and the surface of the heat insulation plate 19 facing the center is subjected to mirror surface treatment, so that heat loss can be reduced as much as possible, meanwhile, the mirror surface can reflect heat back and forth in the combustion chamber 5 and heat the methanol pyrolysis tube 14 back and forth from all directions, and the methanol pyrolysis tube 14 is heated more uniformly and temperature rise is quicker;
after the temperature of the methanol pyrolysis tube 14 and the combustion chamber 5 is higher than 800 ℃, starting the fan 12, making the methanol in the methanol storage 11 flow to the atomized methanol nozzle 10 through a pipeline, atomizing the methanol by the atomized methanol nozzle 10, blowing the atomized methanol particles to the bell mouth 9, making the smaller methanol particles with lighter weight flow in the methanol pyrolysis tube 14, making the larger methanol particles with heavier weight not reach the small port of the bell mouth 9 and enter the methanol pyrolysis tube 14 due to gravity and distance, falling on the inner wall of the bell mouth 9, remaining along the inner wall and flowing back to the methanol storage 11 through the methanol return tube 13 at the lower side of the methanol atomization annular chamber 4;
the methanol is required to be quickly heated to over 800 ℃, and combustible gas hydrogen (H) generated by methanol cracking can be generated at the moment 2 ) And carbon monoxide (CO) up to 99%, if the temperature rise is slow, the process will beProducing carbon dioxide (CO) which is not conducive to combustion 2 ) And water (H) 2 O) and the like, which lowers the utilization rate of methanol; for this reason, the material of the methanol pyrolysis tube 14 is preferably a transparent quartz tube, then a ceramic tube, and then a metal tube; at this time, the heating mode of the methanol particles is that the heat transferred by the methanol pyrolysis tube 14, the methanol + air combustion in the mixed gas containing cavity 6 and the heat reflected by the mirror surface of the heat insulating plate 19 are used for heating in all directions, so that the methanol particles are quickly heated and cracked into combustible gas;
the methanol particles are cracked in the methanol pyrolysis tube 14 to produce combustible gas hydrogen (H) 2 ) And carbon monoxide (CO) enters a plurality of combustible gas nozzles 16 through the combustible gas annular pipe 15, the injection angle of the plurality of combustible gas nozzles 16 is vertical to the passage of combustion air, and the combustible gas hydrogen (H) is accelerated 2 ) And carbon monoxide (CO) with combustion air;
when the temperature and flame collection and observation port 17 collects that the combustible gas at the plurality of combustible gas nozzles 16 is normally combusted, the mixed gas containing cavity 6 (the inlet pipe of the mixed gas containing cavity) is closed to stop the combustion of the methanol, the temperature of the combustible gas at the combustible gas nozzles 16 is switched to be utilized to heat the methanol pyrolysis pipe 14 (after the combustion of the methanol is stopped, the ignition device 7 can ignite the combustible gas at the combustible gas nozzles 16 to enable the combustible gas to be combusted), and the flame generated after the combustion of the combustible gas can heat a boiler and the like (at the right end); the heat insulation material layer 8 prevents heat in the combustion chamber 5 from being transferred to the methanol atomization annular chamber 4, the methanol can be cracked at 400 degrees, and at the moment, more incombustible gas is generated, so that the heat insulation material layer 8 is arranged to prevent the methanol from being cracked.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (7)
1. A methanol pyrolysis hydrogen production combustion device comprises a combustion cylinder body (1), and is characterized in that the combustion cylinder body (1) is internally divided into a left middle mixed gas chamber (3), a left outer methanol atomization annular chamber (4) and a right combustion chamber (5) by a partition plate (2); the left middle mixed gas chamber (3) is communicated with the right combustion chamber (5), a mixed gas containing cavity (6) is arranged in the mixed gas chamber (3), and an ignition device (7) is arranged in the mixed gas containing cavity (6); a plurality of bell mouths (9) are arranged in the methanol atomization annular chamber (4), the right ends of the bell mouths (9) are communicated with the right side combustion chamber (5), and atomized methanol nozzles (10) are arranged at the left ends of the bell mouths (9); each atomized methanol nozzle (10) is connected with a methanol storage (11) through a delivery pipe (18); be equipped with many methyl alcohol pyrolysis tubes (14) and combustible gas ring pipe (15) in combustion chamber (5), on the export end of horn mouth (9) was located in the mouth of pipe intercommunication of each methyl alcohol pyrolysis tube (14), on the entry end of combustible gas ring pipe (15) was located in another mouth of pipe intercommunication of each methyl alcohol pyrolysis tube (14), a plurality of combustible gas spouts (16) have been seted up to the hoop intercommunication on the inner circumference face of combustible gas ring pipe (15), a plurality of combustible gas spouts (16) hoop distribution in the right-hand member outside of ignition (7).
2. The methanol pyrolysis hydrogen production combustion device according to claim 1, wherein the number of the methanol pyrolysis tubes (14) is 4, and each methanol pyrolysis tube (14) is U-shaped; the number of the bell mouths (9) is 4.
3. The methanol pyrolysis hydrogen production combustion device according to claim 2, characterized in that a plurality of heat insulation plates (19) are arranged on the inner wall of the combustion chamber (5), the plurality of heat insulation plates (19) are uniformly distributed in a circumferential direction, and the plurality of heat insulation plates (19) are all positioned outside the methanol pyrolysis tube (14); the surface of each heat insulation plate (19) facing the center of the combustion chamber (5) is mirror-processed.
4. The methanol pyrolysis hydrogen production combustion device according to claim 3, wherein a fan (12) is arranged at the left end of each atomized methanol nozzle (10).
5. The methanol pyrolysis hydrogen production combustion device according to claim 3, wherein a methanol return pipe (13) is arranged in the methanol atomization annular chamber (4); the methanol return pipe (13) is connected with the methanol storage (11).
6. The methanol pyrolysis hydrogen production combustion device according to claim 3, wherein a heat insulation material layer (8) is arranged in the partition plate (2).
7. The methanol pyrolysis hydrogen production combustion device according to any one of claims 1 to 6, wherein a flame collection and observation port (17) is formed in the outer cylindrical surface of the combustion cylinder (1) in a penetrating manner, and the flame collection and observation port (17) is just opposite to the position between the combustible gas nozzle (16) and the ignition device (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221397066.5U CN217947675U (en) | 2022-06-01 | 2022-06-01 | Methanol pyrolysis hydrogen production combustion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221397066.5U CN217947675U (en) | 2022-06-01 | 2022-06-01 | Methanol pyrolysis hydrogen production combustion device |
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| Publication Number | Publication Date |
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| CN217947675U true CN217947675U (en) | 2022-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221397066.5U Active CN217947675U (en) | 2022-06-01 | 2022-06-01 | Methanol pyrolysis hydrogen production combustion device |
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2022
- 2022-06-01 CN CN202221397066.5U patent/CN217947675U/en active Active
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