Hydrogen-doped combustion device

Abstract

The utility model discloses a hydrogen-doped combustion device in the technical field of combustion equipment. The hydrogen-doped combustion device comprises a gas transmission unit and a control unit, the gas transmission unit comprises a mounting disc and a shell, a gas outlet is formed in the surface of the mounting disc, a gas pipe communicated with the gas outlet is arranged on the side wall of the mounting disc, the shell is arranged on the other surface of the mounting disc and communicated with the gas outlet, and a gas inlet is formed in the shell; a blocking piece used for blocking the shell and an outlet of the second hydrogen pipe is arranged on an outlet of the shell, and an unlocking assembly is arranged in the communication area of the installation disc and the gas pipe and used for unlocking the blocking piece when being impacted by gas. The shell and the outlet of the second hydrogen pipe are blocked through the blocking piece, hydrogen cannot enter the gas outlet when fuel gas does not enter the channel and does not push the baffle to rotate, it is ensured that hydrogen starts to be introduced only when enough fuel gas needs to enter the gas outlet, and safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to combustion equipment technical field, concretely is a kind of hydrogen combustion device. BACKGROUND

[0002] Combustor is a kind of fuel and air with certain way is mixed and combusted, to improve combustion efficiency, reduce emission and promote the use of sustainable energy, a certain proportion of hydrogen and air or other fuel is mixed and combusted;However, existing hydrogen is directly introduced in the process of starting to pass in, when other fuel pipeline leaks or other reasons cause other fuel not to enter the combustion area or the fuel amount that enters the combustion area is insufficient, because hydrogen is normally entered, it will cause hydrogen to account for a large proportion in the process of combustion, cause unstable combustion, there is certain security risk. SUMMARY

[0003] The utility model discloses a kind of hydrogen combustion device, to solve the problem that unstable combustion is caused in the process of combustion when hydrogen accounts for a large proportion in the process of combustion in the existing hydrogen in the process of starting to pass in in the above background art, which is directly introduced, when other fuel pipeline leaks or other reasons cause other fuel not to enter the combustion area or the fuel amount that enters the combustion area is insufficient, because hydrogen is normally entered.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of hydrogen combustion device, comprising: gas delivery unit and control unit;

[0005] The gas delivery unit includes mounting disc and shell, the surface of the mounting disc is provided with gas outlet, the sidewall of the mounting disc is provided with gas pipe for communicating with the gas outlet, the shell is arranged on the other surface of the mounting disc and is communicated with the gas outlet, the sidewall of the shell is communicated with first hydrogen pipe, the shell is provided with second hydrogen pipe for communicating with the gas outlet, and the shell is provided with gas inlet;

[0006] The outlet of the shell is provided with blocking piece for plugging the shell and the outlet of the second hydrogen pipe, the communication area of the mounting disc and the gas pipe is provided with unlocking assembly, and the unlocking assembly is used to release the locking of the blocking piece when being impacted by gas;

[0007] The control unit includes controller, detector and valve, and the detector and the valve are arranged on the gas pipe, the shell, the first hydrogen pipe and the second hydrogen pipe.

[0008] As preferred, the blocking piece includes fixed baffle and movable baffle, the shell is slidably provided with moving block, the movable baffle is arranged on the moving block, and the shell is provided with limiting block for limiting the movement of the moving block.

[0009] The unlocking assembly comprises a rotating rod, a clockwork spring arranged on the rotating rod and a baffle arranged on the rotating rod, a slot is arranged on the inner side wall of the air outlet, a magnetic block for adsorbing a limiting block is slidably arranged in the slot, and a flexible connecting piece is arranged between the magnetic block and the rotating rod.

[0010] As preferred, the gas pipe and the first hydrogen pipe are both several, the several gas pipes are annularly and uniformly distributed on the side wall of the mounting disc, and the several first hydrogen pipes are annularly and uniformly distributed on the side wall of the air guide pipe.

[0011] As preferred, the shell is columnar, the side wall of the shell is provided with several through holes in a tangential direction, and the several through holes are respectively in communication with the several first hydrogen pipes.

[0012] As preferred, the second hydrogen pipe is sleeved with a hole plate arranged in the air inlet.

[0013] As preferred, the outer side wall of the hole plate is provided with a thread matched with the inner side wall of the shell.

[0014] As preferred, the shell comprises the air guide pipe and a cannula in communication with the air guide pipe, and the cannula is screwed in the air outlet.

[0015] Compared with the prior art, the utility model has the advantages that the outlet of the shell and the second hydrogen pipe is blocked by the blocking piece, the hydrogen does not enter the air outlet when the gas does not enter the channel and does not push the baffle to rotate, the hydrogen starts to pass through only when enough gas enters the air outlet, and the safety is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional view of the hydrogen-doped combustion device of the utility model;

[0017] Figure 2 It is a sectional view of the hydrogen-doped combustion device of the utility model;

[0018] Figure 3 It is a bottom view of the hydrogen-doped combustion device of the utility model;

[0019] Figure 4 It is a bottom view of the hydrogen-doped combustion device of the utility model; Figure 2 It is an enlarged schematic view of the structure at A of the utility model;

[0020] Figure 5 It is an enlarged schematic view of the structure at B of the utility model. Figure 2

[0021] ​In the figure: 1, mounting disc; 2, gas outlet; 3, gas pipe; 4, shell; 41, air guide pipe; 42, cannula; 5, first hydrogen pipe; 6, second hydrogen pipe; 7, detector; 8, orifice plate; 9, air inlet; 10, baffle; 11, blocking piece; 111, fixed baffle; 112, movable baffle; 12, rotating rod; 13, moving block; 14, limiting block; 15, slotted; 16, flexible connecting piece; 17, magnetic block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Embodiment 1

[0024] Please refer to Figure 1 A hydrogen-doped combustion device, comprising: a gas conveying unit and a control unit;

[0025] Among them, please refer to Figure 1 and Figure 2 The gas conveying unit comprises a mounting disc 1 and a shell 4, the top wall of the mounting disc 1 is provided with a gas outlet 2, the side wall of the mounting disc 1 is provided with a gas pipe 3, the inside of the mounting disc 1 is provided with a channel, the channel is used for connecting the outlet of the gas pipe 3 and the gas outlet 2; the shell 4 is installed on the bottom wall of the mounting disc 1, the top end of the shell 4 is communicated with the gas outlet 2, the side wall of the shell 4 is communicated with a first hydrogen pipe 5, the inside of the shell 4 is inserted with a second hydrogen pipe 6, the top end of the second hydrogen pipe 6 extends to the gas outlet 2, and the bottom of the shell 4 is open, which is an air inlet 9, air enters from the air inlet 9;

[0026] Please refer to Figure 1 and Figure 2 The control unit comprises a controller (PLC controller), a detector 7 (gas flow sensor) and a valve (solenoid valve), the detector 7 is provided with a plurality of detectors 7, the plurality of detectors 7 are respectively arranged in the inside of the gas pipe 3, the shell 4, the first hydrogen pipe 5 and the second hydrogen pipe 6, and the valve is also provided with a plurality of valves, the plurality of valves are respectively arranged on the gas pipe 3, the shell 4, the first hydrogen pipe 5 and the second hydrogen pipe 6.

[0027] Please refer to Figure 2 and Figure 5The outlet of the shell 4 is provided with a blocking piece 11, wherein the blocking piece 11 comprises a plurality of fixed baffles 111 and a plurality of movable baffles 112, a mounting groove is formed in the top wall of the outlet end of the shell 4, a moving block 13 (the moving block 13 can move up and down, and the moving block 13 is L-shaped) is slidably arranged in the inner cavity of the mounting groove, an opening is formed in the inner side wall of the mounting groove, a limiting block 14 is slidably arranged in the opening, the limiting block 14 is attached to the moving block 13, and the limiting block 14 is used for preventing the moving block 13 from moving, the movable baffle 112 is arranged on the top wall of the moving block 13, and the fixed baffle 111 is fixedly arranged on the top wall of the outlet end of the shell 4; the plurality of fixed baffles 111 and the plurality of movable baffles 112 are located above the outlet end of the shell 4 and the outlet end of the second hydrogen pipe 6, and are used for plugging the outlets of the shell 4 and the second hydrogen pipe 6.

[0028] Please refer to Figure 2 、 Figure 4 and Figure 5 , the channel is provided with an unlocking assembly, wherein the unlocking assembly comprises a rotating rod 12, a clock spring and a baffle 10, the rotating rod 12 is rotatably arranged in the channel, the baffle 10 is arranged on the rotating rod 12 (the baffle 10 is circular, and the axis of the connecting area of the rotating rod 12 and the baffle 10 deviates from the diameter of the baffle 10), the baffle 10 cuts off the channel, and the clock spring is arranged between the rotating rod 12 and the channel; a slot 15 is formed in the inner side wall of the air outlet 2, and a magnetic block 17 (the limiting block 14 is a metal material support that can be magnetically attracted, such as iron) is slidably arranged in the inner cavity of the slot 15.

[0029] It should be noted that a spring is installed between the magnetic block 17 and the slot 15, and is used for driving the magnetic block 17 to reset.

[0030] Working principle: gas (natural gas) is introduced from the gas pipe 3 into the gas outlet 2, hydrogen is introduced from the first hydrogen pipe 5 and the second hydrogen pipe 6, respectively, air is introduced from the gas inlet 9 into the shell 4 and mixed with the hydrogen introduced from the first hydrogen pipe 5, and then enters the gas outlet 2, the hydrogen at the second hydrogen pipe 6 directly enters the gas outlet 2, and all the gases are ignited and burned after being mixed; during the gas introduction process, the detector 7 detects the flow rate in the gas pipe 3, the shell 4, the first hydrogen pipe 5 and the second hydrogen pipe 6, and transmits the detected information to the controller for analysis, and the controller controls the opening size of the valve according to the pre-set gas ratio (this control technology belongs to the prior art), changes the flow rate in the gas pipe 3, the shell 4, the first hydrogen pipe 5 and the second hydrogen pipe 6, so that the fuel mixing ratio is accurate and the combustion is sufficient; after the gas enters the channel, it will exert pressure on the baffle 10, and after a certain amount of gas is accumulated in the channel, the force exerted by the gas on the baffle 10 increases, causing the baffle 10 to rotate and make the channel through, so that the gas enters the gas outlet 2; the rotation of the baffle 10 will make the rotating rod 12 rotate and exert force on the flexible connecting piece 16, pulling the magnetic block 17 and the limiting block 14 into the slot 15, thereby releasing the restriction on the moving block 13, so that the movable baffle 112 can move; the hydrogen in the shell 4 and the second hydrogen pipe 6 will push the movable baffle 112 upwards and enter the gas outlet 2 from the gap between the movable baffle 112 and the fixed baffle 111; if the baffle 10 does not rotate, the movable baffle 112 cannot be unlocked, and it cooperates with the fixed baffle 111 to block the outlets of the shell 4 and the second hydrogen pipe 6, ensuring that hydrogen does not enter the gas outlet 2; when there is enough gas to enter the gas outlet 2, hydrogen begins to flow, increasing safety.

[0031] It should be noted that temperature sensors and pressure sensors are also installed in the gas pipe 3, the shell 4, the first hydrogen pipe 5 and the second hydrogen pipe 6 to monitor the pressure and temperature during gas delivery.

[0032] In this embodiment, as a further optimized solution, please refer to Figure 1 The gas pipe 3 and the first hydrogen pipe 5 each have several (such as four), and the several gas pipes 3 are evenly distributed in a ring shape on the side wall of the mounting disc 1, and the several first hydrogen pipes 5 are evenly distributed in a ring shape on the side wall of the gas guide pipe 41; the communication area of the mounting disc 1 and the several gas pipes 3 is provided with a channel, and a unlocking assembly is installed in each channel for unlocking the restriction on the several movable baffles 112.

[0033] In this embodiment, as a further optimized solution, please refer to Figure 2 and Figure 3The shell 4 is in a column shape, and a plurality of through holes are formed in the side wall of the shell 4 along a tangent direction, and the plurality of through holes are communicated with the plurality of first hydrogen pipes 5 respectively; the hydrogen gas flowing into the first hydrogen pipes 5 will enter into the inside of the shell 4 along the tangent direction of the shell 4, so that the hydrogen gas will rotate in the inside of the shell 4, for rotating together with the air in the inside of the shell 4, so that the hydrogen gas and the air are mixed more fully.

[0034] In the embodiment, as a further optimized scheme, please refer to Figure 2 The outer wall of the second hydrogen pipe 6 is sleeved with a hole plate 8, and the hole plate 8 is installed in the air inlet 9; the air passing through the air inlet 9 needs to pass through the hole plate 8 and then enter into the inside of the shell 4, and the hole plate 8 is used to disperse the air, so that the air can enter into the inside of the shell 4 uniformly.

[0035] In the embodiment, as a further optimized scheme, please refer to Figure 2 The outer side wall of the hole plate 8 is provided with a thread, and the inner side wall of the shell 4 is provided with a thread, and the threads of the two are matched, so that the hole plate 8 is screwed in the inside of the shell 4; when the second hydrogen pipe 6 is rotated, the hole plate 8 will rotate in the inside of the shell 4, for disassembling the hole plate 8 from the inside of the shell 4.

[0036] In the embodiment, as a further optimized scheme, please refer to Figure 2 The shell 4 comprises a gas guide pipe 41 and a cannula 42 communicated with the gas guide pipe 41, the outer side wall of the cannula 42 is provided with an external thread, the inner side wall of the air outlet 2 is provided with an internal thread, the external thread and the internal thread are matched, the cannula 42 is installed in the inside of the air outlet 2, the cannula 42 is screwed in the air outlet 2 through the matching of the external thread and the internal thread, the detachable connection between the shell 4 and the mounting disc 1 is realized, and the connection between the mounting disc 1 and the shell 4 can be disconnected.

[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A hydrogen-doped combustion device, characterized by: The utility model relates to a gas supply unit and control unit, and a gas supply unit comprises a mounting disc (1) and a shell (4), the surface of the mounting disc (1) is equipped with a gas outlet (2), the sidewall of the mounting disc (1) is equipped with a gas pipe (3) for communicating with the gas outlet (2), the shell (4) is arranged on the other surface of the mounting disc (1) and communicates with the gas outlet (2), the sidewall of the shell (4) is communicated with a first hydrogen pipe (5), the shell (4) is equipped with a second hydrogen pipe (6) for communicating with the gas outlet (2), and the shell (4) is equipped with an air inlet (9). The outlet of the shell (4) is equipped with a blocking piece (11) for blocking the outlet of the shell (4) and the second hydrogen pipe (6), the communication area of the mounting disc (1) and the gas pipe (3) is equipped with an unlocking assembly, and the unlocking assembly is used to release the locking of the blocking piece (11) when being impacted by gas. The control unit comprises a controller, a detector (7) and a valve, and the detector (7) and the valve are arranged on the gas pipe (3), the shell (4), the first hydrogen pipe (5) and the second hydrogen pipe (6). The blocking piece (11) comprises a fixed baffle (111) and a movable baffle (112), a moving block (13) is slidably arranged on the shell (4), the movable baffle (112) is arranged on the moving block (13), and the shell (4) is equipped with a limiting block (14) for limiting the movement of the moving block (13). The unlocking assembly comprises a rotating rod (12), a clock spring arranged on the rotating rod (12) and a baffle (10) arranged on the rotating rod (12), the inner sidewall of the gas outlet (2) is equipped with a slot (15), a magnetic block (17) for adsorbing the limiting block (14) is slidably arranged in the slot (15), and a flexible connecting piece (16) is arranged between the magnetic block (17) and the rotating rod (12).

2. A hydrogen-blend burner as defined in claim 1, wherein: The gas pipe (3) and the first hydrogen pipe (5) are arranged in a plurality of numbers, the plurality of gas pipes (3) are evenly distributed in a ring shape on the sidewall of the mounting disc (1), and the plurality of first hydrogen pipes (5) are evenly distributed in a ring shape on the sidewall of the gas guide pipe (41). The shell (4) is in a columnar shape, a plurality of through holes are arranged on the sidewall of the shell (4) in a tangential direction, and the plurality of through holes are respectively communicated with the plurality of first hydrogen pipes (5).

3. A hydrogen-blend burner as defined in claim 1, wherein: A hole plate (8) is sleeved on the outer wall of the second hydrogen pipe (6) and arranged in the air inlet (9).

4. A hydrogen-blend burner as defined in claim 3, wherein: The outer sidewall of the hole plate (8) and the inner sidewall of the shell (4) are equipped with matching threads.

5. A hydrogen-blend burner as defined in claim 1, wherein: The shell (4) comprises a gas guide pipe (41) and a cannula (42) communicated with the gas guide pipe (41), and the cannula (42) is screwed in the gas outlet (2).

6. A hydrogen-blend burner as defined in claim 5, wherein: ​ 7. A hydrogen-blend burner as defined in claim 1, wherein: ​

Images