Hydrogen energy fuel combustion device capable of supporting combustion

By setting up a mixing chamber and fan blades in the hydrogen combustion device to stir and mix hydrogen and oxygen, the problem of incomplete combustion of hydrogen fuel in the furnace is solved, thus improving combustion efficiency and reducing flue gas temperature.

CN223855629UActive Publication Date: 2026-01-30SHANGHAI KENTEX INT & ENG CORP
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Patent Information

Application Number
CN202520444946.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-01-30
Estimated Expiration
2035-03-14

AI Technical Summary

Technical Problem

Hydrogen fuel is difficult to burn completely in the furnace, resulting in an excessively long flame and excessively high flue gas outlet temperature, which can easily burn the heating surface at the tail of the boiler.

Method used

A mixing chamber is set at the front end of the combustion chamber, through which hydrogen and oxygen are injected via connecting pipes and nozzles, and mixed by fan blades to ensure complete combustion.

Benefits of technology

It achieves thorough mixing of hydrogen and oxygen, improves combustion efficiency, prevents excessively long flames, reduces flue gas temperature, and protects the boiler's tail heating surface.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a combustion-supporting hydrogen energy fuel combustion device which comprises a combustion chamber and an ignition valve, the ignition valve is installed on the side wall of the combustion chamber, a first support is installed at the bottom of the combustion chamber, and a supporting mechanism is arranged at one end of the combustion chamber and used for supporting hydrogen energy fuel feeding. A gas mixing chamber is arranged at the front end of a hydrogen energy fuel combustion chamber, so that hydrogen and oxygen are subjected to convection injection, and then the hydrogen and the oxygen can be fully mixed through stirring of rotating fan blades; the combustion-supporting effect is improved for hydrogen energy fuel combustion, the hydrogen energy fuel can be rapidly and completely combusted after entering the combustion chamber, and flames for hydrogen combustion are prevented from being very long.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hydrogen energy combustion field, concretely is a hydrogen energy fuel combustion device that can assist combustion. BACKGROUND

[0002] The ignition point of hydrogen is higher, but its ignition energy is very small, so it is very easy to ignite and the flame propagation speed is fast, and the density of hydrogen is very small, so it is difficult to ensure that hydrogen and oxygen in the air are fully mixed by using a general structure burner, which leads to the hydrogen fuel being unable to burn quickly and completely, and the hydrogen gas flows quickly to the furnace outlet, the hydrogen combustion flame is very long, thereby causing the hydrogen to burn in the middle and rear part of the furnace, resulting in the flue gas outlet temperature being too high, which easily causes the boiler tail heating surface to be damaged;

[0003] Therefore, it is necessary to provide a hydrogen energy fuel combustion device that can assist combustion. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a hydrogen energy fuel combustion device that can assist combustion to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A hydrogen energy fuel combustion device that can assist combustion, comprising a combustion chamber and an ignition valve, the ignition valve is installed on the side wall of the combustion chamber, the bottom of the combustion chamber is provided with a first support, one end of the combustion chamber is provided with a supporting mechanism, and the supporting mechanism is used for supporting hydrogen energy fuel feeding; An air inlet mechanism is arranged in the supporting mechanism, and the air inlet mechanism can assist combustion of hydrogen energy fuel combustion.

[0007] Preferably, the supporting mechanism comprises a connecting pipe, a first valve and a gas mixing chamber, one end of the connecting pipe is installed on the combustion chamber, the other end of the connecting pipe is installed with the gas mixing chamber, and the first valve is further installed on the connecting pipe.

[0008] Preferably, the other end of the gas mixing chamber is installed with an end cover through bolts, the end cover is installed with a motor, and the bottom of the gas mixing chamber is installed with a second support.

[0009] Preferably, the air inlet mechanism comprises a first support pipe and a second support pipe, and the first support pipe and the second support pipe are installed in the gas mixing chamber respectively.

[0010] Preferably, the lower end of the first support pipe is connected with an oxygen injection pipe, the oxygen injection pipe is installed with a second valve, the upper end of the second support pipe is connected with a hydrogen injection pipe, and the hydrogen injection pipe is installed with a third valve.

[0011] Preferably, the first support pipe is internally provided with a first conduit, the other end of the first conduit is provided with a first connecting block, and the side wall of the first conduit is provided with a first air jet nozzle.

[0012] Preferably, the second support pipe is internally provided with a second conduit, the side wall of the second conduit is provided with a second air jet nozzle, the other end of the second conduit is provided with a second connecting block, a support shaft is rotatably arranged in the second connecting block, one end of the support shaft is rotatably connected to the first connecting block, and a fan blade is further arranged on the support shaft.

[0013] The additional aspects and advantages of the present application will be given in part in the following description, and will become apparent from the following description, or will be learned by practice of the present application.

[0014] Beneficial effects:

[0015] By arranging a mixing chamber at the front end of the hydrogen energy fuel combustion chamber, hydrogen and oxygen are injected in countercurrent, and then stirred by the rotating fan blade, so that the hydrogen and oxygen can be fully mixed, the combustion effect of the hydrogen energy fuel is increased, the hydrogen energy fuel can be quickly and completely combusted after entering the combustion chamber, and the long flame of hydrogen combustion is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view of a hydrogen energy fuel combustion device capable of assisting combustion;

[0017] Figure 2 It is a schematic view of the inside of a mixing chamber in a hydrogen energy fuel combustion device capable of assisting combustion;

[0018] Figure 3 It is a schematic view of the installation of a first air jet nozzle in a hydrogen energy fuel combustion device capable of assisting combustion;

[0019] Figure 4 It is a schematic view of the installation of a fan blade in a hydrogen energy fuel combustion device capable of assisting combustion.

[0020] In the figure: 1, combustion chamber; 11, ignition valve; 12, first support; 2, support mechanism; 21, connecting pipe; 22, first valve; 23, mixing chamber; 24, end cover; 25, motor; 26, second support; 3, air inlet mechanism; 31, first support pipe; 311, second support pipe; 32, first conduit; 321, second conduit; 33, first air jet nozzle; 331, second air jet nozzle; 34, first connecting block; 341, second connecting block; 35, support shaft; 36, fan blade; 37, oxygen injection pipe; 371, second valve; 38, hydrogen injection pipe; 381, third valve. DETAILED DESCRIPTION

[0021] Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are only used to explain the present application and cannot be understood as a limitation of the present application.

[0022] As Figures 1-4 ;

[0023] A combustion device for hydrogen energy fuel capable of assisting combustion, comprising a combustion chamber 1 and an ignition valve 11, the ignition valve 11 is installed on the side wall of the combustion chamber 1, the ignition valve 11 adopts the ignition solenoid valve produced by Ximei (Fujian) Intelligent Technology Co., Ltd., the model number of which is 121K6423, the ignition valve 11 is used for igniting and burning the hydrogen-oxygen mixture in the combustion chamber 1, since the structure and operation principle of the ignition valve 11 are prior art, therefore, the structure and operation principle thereof will not be described here, the ignition valve 11 is used for igniting and burning the hydrogen-oxygen mixture in the combustion chamber 1, a first support 12 is installed at the bottom of the combustion chamber 1, the first support 12 is used for supporting the combustion chamber 1, a supporting mechanism 2 is arranged at one end of the combustion chamber 1, the supporting mechanism 2 is used for supporting the hydrogen energy fuel feeding;

[0024] Further, the supporting mechanism 2 comprises a connecting pipe 21, a first valve 22 and a gas mixing chamber 23, one end of the connecting pipe 21 is installed on the combustion chamber 1, the connecting pipe 21 is used for connecting the combustion chamber 1 and the gas mixing chamber 23, the other end of the connecting pipe 21 is installed with the gas mixing chamber 23, the hydrogen and oxygen are injected into the gas mixing chamber 23 for sufficient mixing, which plays a role in assisting the combustion of hydrogen energy fuel, the first valve 22 is further installed on the connecting pipe 21, the first valve 22 is used for controlling the opening and closing of the connecting pipe 21, the other end of the gas mixing chamber 23 is installed with an end cover 24 through bolts, the end cover 24 is not only used for closing and sealing the inside of the gas mixing chamber 23, but also used for supporting and installing the motor 25, the motor 25 is installed on the end cover 24, a square rod is arranged at the output end of the motor 25, the square rod is inserted into one end of the supporting shaft 35, so as to drive the supporting shaft 35 to rotate, and also facilitate the disengagement of the supporting shaft 35, a second support 26 is installed at the bottom of the gas mixing chamber 23, the second support 26 plays a role in supporting the gas mixing chamber 23;

[0025] Further, the air inlet mechanism 3 comprises a first support pipe 31 and a second support pipe 311, the first support pipe 31 and the second support pipe 311 are respectively installed in the interior of the mixing chamber 23, the first support pipe 31 is used for supporting oxygen inlet, the second support pipe 311 is used for supporting hydrogen inlet, the lower end of the first support pipe 31 is connected with an oxygen injection pipe 37, the oxygen injection pipe 37 is connected with an oxygen cylinder, the oxygen injection pipe 37 is used for injecting oxygen into the first support pipe 31, the second valve 371 is installed on the oxygen injection pipe 37, the oxygen injection pipe 37 is opened and closed through the second valve 371, the upper end of the second support pipe 311 is connected with a hydrogen injection pipe 38, the hydrogen injection pipe 38 is connected with a hydrogen cylinder, the hydrogen injection pipe 38 is used for injecting hydrogen into the second support pipe 311, the third valve 381 is installed on the hydrogen injection pipe 38, the hydrogen injection pipe 38 is opened and closed through the third valve 381, the interior of the first support pipe 31 is installed with a first guide pipe 32, the first guide pipe 32 is used for guiding oxygen in the first support pipe 31 into a first air jet 33, the oxygen is jetted out through the first air jet 33, the other end of the first guide pipe 32 is installed with a first connecting block 34, the first connecting block 34 is used for supporting and connecting the support shaft 35, the side wall of the first guide pipe 32 is installed with the first air jet 33, the interior of the second support pipe 311 is installed with a second guide pipe 321, the second guide pipe 321 is used for guiding hydrogen in the second support pipe 311 into a second air jet 331, the hydrogen is jetted out through the second air jet 331, the hydrogen and the oxygen are mixed after being jetted, the side wall of the second guide pipe 321 is installed with the second air jet 331;

[0026] the other end of the second guide pipe 321 is installed with a second connecting block 341, the second connecting block 341 is used for supporting and rotating the support shaft 35, the support shaft 35 is rotatably installed in the second connecting block 341, the support shaft 35 can rotate in the first connecting block 34, one end of the support shaft 35 is rotatably connected into the first connecting block 34, the support shaft 35 is further installed with a fan blade 36, the first connecting block 34 is rotated, the fan blade 36 is driven to rotate, the hydrogen and the oxygen in the mixing chamber 23 are fully mixed through the rotating fan blade 36.

[0027] The working principle of the utility model is: motor 25 drives support shaft 35 to rotate, support shaft 35 drives fan blade 36 to rotate, air in mixed chamber 23 is blown, then first valve 22 is closed, hydrogen injection pipe 38 is connected with hydrogen cylinder, hydrogen is injected into second support pipe 311 through hydrogen injection pipe 38, first conduit 32 is used for guiding oxygen in first support pipe 31 into first jet nozzle 33, oxygen is sprayed through first jet nozzle 33, oxygen injection pipe 37 is connected with oxygen cylinder, hydrogen is injected into first support pipe 31 through oxygen injection pipe 37, second conduit 321 is used for guiding hydrogen in second support pipe 311 into second jet nozzle 331, hydrogen is sprayed through second jet nozzle 331, hydrogen and oxygen are mixed after spraying, then motor 25 drives fan blade 36 to rotate again, hydrogen and oxygen in mixed chamber 23 are mixed fully through rotating fan blade 36, hydrogen energy fuel is combusted, first valve 22 is opened, mixed hydrogen energy fuel enters combustion chamber 1, hydrogen and oxygen mixture in combustion chamber 1 is ignited and combusted through ignition valve 11.

[0028] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, the features in the embodiments disclosed by the utility model can be combined in any way, and the combinations are not exhaustively described in the specification only for the consideration of saving space and resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A combustion-supporting hydrogen energy fuel combustion device, comprising a combustion chamber (1) and an ignition valve (11), the ignition valve (11) being installed on the side wall of the combustion chamber (1), and a first support (12) being installed on the bottom of the combustion chamber (1), characterized in that: one end of the combustion chamber (1) is provided with a supporting mechanism (2) for supporting hydrogen energy fuel feeding; an air inlet mechanism (3) is arranged inside the supporting mechanism (2), which can support the combustion of hydrogen energy fuel.

2. A hydrogen energy fuel combustion device capable of supporting combustion according to claim 1, characterized by: The supporting mechanism (2) comprises a connecting pipe (21), a first valve (22) and a mixing chamber (23), one end of the connecting pipe (21) is installed on the combustion chamber (1), the other end of the connecting pipe (21) is installed with the mixing chamber (23), and the first valve (22) is also installed on the connecting pipe (21).

3. A hydrogen energy fuel combustion device capable of supporting combustion according to claim 2, characterized by: The other end of the mixing chamber (23) is installed with an end cover (24) through bolts, the end cover (24) is installed with a motor (25), and the bottom of the mixing chamber (23) is installed with a second support (26).

4. A hydrogen energy fuel combustion device capable of supporting combustion according to claim 2, characterized by: The air inlet mechanism (3) comprises a first support pipe (31) and a second support pipe (311), and the first support pipe (31) and the second support pipe (311) are respectively installed inside the mixing chamber (23).

5. A hydrogen energy fuel combustion device capable of supporting combustion according to claim 4, characterized by: The lower end of the first support pipe (31) is connected with an oxygen injection pipe (37), the oxygen injection pipe (37) is installed with a second valve (371), the upper end of the second support pipe (311) is connected with a hydrogen injection pipe (38), and the hydrogen injection pipe (38) is installed with a third valve (381).

6. A hydrogen energy fuel combustion device capable of supporting combustion according to claim 5, characterized by: The first support pipe (31) is installed with a first guide pipe (32) inside, the other end of the first guide pipe (32) is installed with a first connecting block (34), and the side wall of the first guide pipe (32) is installed with a first jet nozzle (33).

7. A hydrogen fuel combustion apparatus capable of supporting combustion according to claim 6, characterized by: The second support pipe (311) is installed with a second guide pipe (321) inside, the side wall of the second guide pipe (321) is installed with a second jet nozzle (331), the other end of the second guide pipe (321) is installed with a second connecting block (341), the second connecting block (341) is rotatably installed with a support shaft (35), one end of the support shaft (35) is rotatably connected into the first connecting block (34), and the support shaft (35) is also installed with a fan blade (36).