Hydrogen and combustible gas co-combustion burner

Abstract

The utility model relates to the technical field of combustors, and discloses a hydrogen and combustible gas co-combustion combustor which comprises a combustor body, flanges are fixedly installed on the two sides of the top of the combustor body, combustion-supporting air pipes are arranged in the flanges, a first motor is fixedly installed at the bottom of each combustion-supporting air pipe, and a second motor is fixedly installed at the bottom of each combustion-supporting air pipe. The output end of the first motor is fixedly connected with a driving shaft, the outer side of the driving shaft is fixedly connected with air inducing blades, one end of the combustion-supporting air pipe is sleeved with a sleeve, and the end of the combustion-supporting air pipe is fixedly connected with a first sealing layer. The combustor has the following advantages and effects that the first motor drives the air inducing blades to rotate through the driving shaft, then air flowing can be increased, air can rapidly enter the combustor body, in the air inlet process, the filtering layer is clamped into the horn pipe through the clamping blocks, external impurities are filtered through the filtering layer, and the filtering effect of the filtering layer is improved. And external impurities are prevented from entering the combustion-supporting air pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of burners, in particular to a burner for mixed combustion of hydrogen and combustible gas. Background Art

[0002] A burner is a general term for a device that sprays fuel and air in a certain way for mixed combustion. Burners are divided into industrial burners, burners, civil burners, and special burners according to their types and application areas. They are mostly made of corrosion-resistant and high-temperature resistant materials such as stainless steel or titanium.

[0003] In the prior art, Chinese patent publication number CN110249178B discloses a stratified burner, which has: a venturi tube, which is in fluid communication with a chamber and connected to the chamber, the chamber is in fluid communication with multiple rows of burner ports, the chamber has an outer wall and an inner wall; a plurality of blades, which have a stratified layout, wherein the lowest blade of the multiple blades is the smallest blade; each of the multiple blades has an inner edge, which extends from the inner wall toward the center of the multiple blades and extends above a row of burner ports in the multiple rows of burner ports, so that the flame emitted from this row of burner ports is impacted from above and thus directed toward the center of the multiple blades; and the venturi tube has: a contracted middle portion; a first end, which creates a connection to the chamber; and a second end, which is configured to receive fuel gas from a gas source.

[0004] Hydrogen and combustible gas are the fuels of the burner. When hydrogen, combustible gas and air are not in sufficient contact, the combustion quality is poor. At the same time, hydrogen and combustible gas are not mixed sufficiently, which reduces the combustion effect. Therefore, the above problems need to be improved. Utility Model Content

[0005] The utility model aims to provide a burner for mixed combustion of hydrogen and combustible gas, which has the effects of high combustion quality and good combustion effect.

[0006] The above-mentioned technical objective of the utility model is achieved through the following technical scheme: a hydrogen and combustible gas mixed combustion burner, comprising a burner body, flanges are fixedly installed on both sides of the top of the burner body, a combustion-supporting air duct is arranged inside the flange, a first motor is fixedly installed on the bottom of the combustion-supporting air duct, the output end of the first motor is fixedly connected to a driving shaft, the outer side of the driving shaft is fixedly connected to an induced draft blade, one end of the combustion-supporting air duct is sleeved, the end of the combustion-supporting air duct is fixedly connected to a first sealing layer, the middle part of the sleeve is fixedly connected to a second sealing layer, the internal thread of the sleeve is connected to a bolt, both sides of the outside of the combustion-supporting air duct are fixedly connected to positioning blocks, the bolts extend to the inside of the positioning block, one end of the sleeve is fixedly connected to a trumpet tube, both sides of the inner wall of the trumpet tube are fixedly connected to a card block, a card slot is provided inside the card block, and a filter layer is carded inside the card slot.

[0007] By adopting the above technical scheme, the combustion-supporting air duct is installed above the burner body through the flange, the combustion-supporting air duct is connected to the burner body, and the outside wind can enter the interior of the burner body through the combustion-supporting air duct, thereby increasing the combustion effect of the fuel, and then the sleeve is sleeved on the end of the combustion-supporting air duct, when the first sealing layer contacts the second sealing layer, the sleeve and the combustion-supporting air duct will form a seal, thereby sealing the gap between the sleeve and the combustion-supporting air duct, and the bolt is threadedly connected to the interior of the sleeve so that the bolt extends to the interior of the positioning block outside the combustion-supporting air duct, thereby fixing the sleeve on the outside of the combustion-supporting air duct, when it is necessary to increase the air intake rate, start the first motor so that the first motor drives the induced draft blade to rotate through the drive shaft, thereby increasing the air flow, so that wind can quickly enter the interior of the burner body, and during the air intake process, the filter layer is clamped to the interior of the trumpet tube through the clamping block, and external impurities are filtered through the filter layer to prevent external impurities from entering the interior of the combustion-supporting air duct.

[0008] The utility model is further configured as follows: a bearing is fixedly installed on the inner wall of the combustion-supporting air duct, and the drive shaft is rotatably connected to the inside of the bearing.

[0009] By adopting the above technical solution, when the drive shaft rotates, the end of the drive shaft extends to the inside of the bearing, and the end of the drive shaft is rotatably connected to the inside of the bearing, so that the end of the drive shaft keeps rotating smoothly.

[0010] The utility model is further configured as follows: the filter layer includes a nano net and a dustproof net.

[0011] By adopting the above technical solution, the filter layer is composed of a nano-net and a dust-proof net, the nano-net separates tiny impurities, and the dust-proof net separates dust.

[0012] The utility model is further configured as follows: an air inlet channel is provided inside the combustion-supporting air duct, and the air inlet channel is trumpet-shaped.

[0013] By adopting the above technical solution, wind enters the interior of the burner body through the air inlet channel, and the air inlet channel is trumpet-shaped, which can prevent the flame from spreading to the interior of the combustion-supporting air duct.

[0014] The utility model is further configured as follows: a fuel inlet pipe is fixedly connected to the bottom of the burner body, and a second motor is fixedly installed on the outside of the fuel inlet pipe.

[0015] By adopting the above technical solution, the fuel inlet pipe is arranged at the bottom of the burner body, hydrogen and combustible gas enter the interior of the burner body through the fuel inlet pipe, and the second motor is fixed on the outside of the fuel inlet pipe.

[0016] The utility model is further configured as follows: the output end of the second motor is fixedly connected to a first gear, the inner bottom wall of the fuel inlet pipe is rotatably connected to a second gear, and the first gear and the second gear are meshed.

[0017] By adopting the above technical solution, the second motor is started, so that the second motor drives the first gear to rotate, and the first gear and the second gear are meshed. When the second motor is started, it will drive the second gear to rotate.

[0018] The utility model is further configured as follows: an output shaft is fixedly connected to the center of the second gear, and a mixing blade is fixedly connected to the outer side of the output shaft.

[0019] By adopting the above technical solution, the output shaft is fixed at the center of the second gear, and the second motor drives the output shaft and the mixing blades to rotate, thereby being able to mix the hydrogen and the combustible gas.

[0020] The utility model is further configured as follows: a three-way pipe is fixedly installed on the outer side of the fuel inlet pipe, and a hydrogen inlet pipe and a combustible gas inlet pipe are respectively fixedly connected inside the three-way pipe.

[0021] By adopting the above technical solution, hydrogen and combustible gas enter the interior of the fuel inlet pipe through the hydrogen inlet pipe and the combustible gas inlet pipe.

[0022] The utility model is further configured as follows: valves are arranged inside the hydrogen inlet pipe and the combustible gas inlet pipe.

[0023] By adopting the above technical solution, the valve controls the closing of the hydrogen inlet pipe and the combustible gas inlet pipe.

[0024] The utility model is further configured as follows: one end of the burner body is fixedly connected to a casting layer, and one end of the casting layer is provided with a flame nozzle.

[0025] By adopting the above technical solution, the casting layer is a circular channel cast with concrete, the casting layer has the effect of high temperature resistance, and the flame sprayed by the flame nozzle is discharged through the casting layer.

[0026] The beneficial effects of the utility model are:

[0027] 1. The utility model, through the arrangement among the burner body, the flange, the combustion-supporting air duct, the first motor, the drive shaft, the induced draft blades, the sleeve, the first sealing layer, the second sealing layer, the bolts, the positioning block, the trumpet tube, the clamping block and the filter layer, the outside wind can enter the inside of the burner body through the combustion-supporting air duct, thereby increasing the combustion effect of the fuel; the first motor drives the induced draft blades to rotate through the drive shaft, thereby increasing the air flow, so that the wind can quickly enter the inside of the burner body; during the air intake process, the filter layer is clamped to the inside of the trumpet tube through the clamping block, and the outside impurities are filtered through the filter layer to prevent the outside impurities from entering the inside of the combustion-supporting air duct.

[0028] 2. The utility model, through the arrangement among the fuel inlet pipe, the second motor, the first gear, the second gear, the output shaft, the mixing blade, the tee pipe, the hydrogen inlet pipe and the combustible gas inlet pipe, the second motor drives the first gear to rotate, the first gear and the second gear are meshed, when the second motor is started, it will drive the second gear to rotate, the output shaft is fixed at the center of the second gear, the second motor drives the output shaft and the mixing blade to rotate, and then the hydrogen and the combustible gas can be mixed, and the hydrogen and the combustible gas enter the interior of the fuel inlet pipe through the hydrogen inlet pipe and the combustible gas inlet pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0030] Figure 1 It is a schematic diagram of the structure of the utility model;

[0031] Figure 2 This is a schematic diagram of the internal structure of the combustion-supporting air duct of the utility model;

[0032] Figure 3 This is a schematic diagram of the filter layer structure of the utility model;

[0033] Figure 4This is a schematic diagram of the internal structure of the fuel inlet pipe of the utility model.

[0034] In the figure, 1. burner body; 2. flange; 3. combustion-supporting air duct; 4. first motor; 5. drive shaft; 6. induced draft blade; 7. sleeve; 8. first sealing layer; 9. second sealing layer; 10. bolt; 11. positioning block; 12. horn tube; 13. clamping block; 14. filter layer; 1401. nanonet; 1402. dustproof net; 15. bearing; 16. air inlet channel; 17. fuel inlet pipe; 18. second motor; 19. first gear; 20. second gear; 21. output shaft; 22. mixing blade; 23. three-way pipe; 24. hydrogen inlet pipe; 25. combustible gas inlet pipe; 26. valve; 27. casting layer. DETAILED DESCRIPTION

[0035] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] Reference Figure 1-4A hydrogen and combustible gas mixed combustion burner includes a burner body 1, flanges 2 are fixedly installed on both sides of the top of the burner body 1, a combustion-supporting air duct 3 is arranged inside the flange 2, a first motor 4 is fixedly installed on the bottom of the combustion-supporting air duct 3, a drive shaft 5 is fixedly connected to the output end of the first motor 4, an air induced blade 6 is fixedly connected to the outer side of the drive shaft 5, a sleeve 7 is sleeved on one end of the combustion-supporting air duct 3, a first sealing layer 8 is fixedly connected to the end of the combustion-supporting air duct 3, a second sealing layer 9 is fixedly connected to the middle of the sleeve 7, a bolt 10 is threadedly connected to the inner part of the sleeve 7, positioning blocks 11 are fixedly connected to both sides of the outside of the combustion-supporting air duct 3, the bolts 10 extend to the inside of the positioning block 11, a trumpet 12 is fixedly connected to one end of the sleeve 7, and the inner wall of the trumpet 12 Both sides are fixedly connected with blocks 13, and a slot is provided inside the block 13, and a filter layer 14 is clamped inside the slot. The combustion-supporting air duct 3 is installed above the burner body 1 through the flange 2. The combustion-supporting air duct 3 is connected to the burner body 1, and the external wind can enter the interior of the burner body 1 through the combustion-supporting air duct 3, thereby increasing the combustion effect of the fuel. Thereafter, the sleeve 7 is sleeved on the end of the combustion-supporting air duct 3. When the first sealing layer 8 contacts the second sealing layer 9, the sleeve 7 and the combustion-supporting air duct 3 will form a seal, thereby sealing the gap between the sleeve 7 and the combustion-supporting air duct 3, and threading the bolt 10 into the interior of the sleeve 7 so that the bolt 7 extends to the interior of the positioning block 11 outside the combustion-supporting air duct 3, thereby fixing the sleeve 7. When it is necessary to increase the air intake rate outside the combustion-supporting air duct 3, the first motor 4 is started, so that the first motor 4 drives the induced draft blades 6 to rotate through the driving shaft 5, thereby increasing the air flow, so that the wind can quickly enter the interior of the burner body 1. During the air intake process, the filter layer 14 is connected to the interior of the bell tube 12 through the clamping block 13, and the external impurities are filtered through the filter layer 14 to prevent the external impurities from entering the interior of the combustion-supporting air duct 3. The inner wall of the combustion-supporting air duct 3 is fixedly installed with a bearing 15, and the driving shaft 5 is rotatably connected to the interior of the bearing 15. When the driving shaft 5 rotates, the end of the driving shaft 5 extends to the interior of the bearing 15, and the end of the driving shaft 5 is rotatably connected to the interior of the bearing 15, so that the end of the driving shaft 5 keeps rotating smoothly, filtering Layer 14 includes a nanonet 1401 and a dustproof net 1402. The filter layer 14 is composed of the nanonet 1401 and the dustproof net 1402. The nanonet 1401 separates fine impurities, and the dustproof net 1402 separates dust. An air inlet channel 16 is arranged inside the combustion-supporting air duct 3. The air inlet channel 16 is trumpet-shaped. Wind enters the interior of the burner body 1 through the air inlet channel 16. The air inlet channel 16 is trumpet-shaped, which can prevent the flame from spreading to the interior of the combustion-supporting air duct 3. A fuel inlet pipe 17 is fixedly connected to the bottom of the burner body 1. A second motor 18 is fixedly installed on the outside of the fuel inlet pipe 17. The fuel inlet pipe 17 is arranged at the bottom of the burner body 1. Hydrogen and combustible gas enter the interior of the burner body 1 through the fuel inlet pipe 17.The second motor 18 is fixed to the outside of the fuel inlet pipe 17, and the output end of the second motor 18 is fixedly connected to the first gear 19. The inner bottom wall of the fuel inlet pipe 17 is rotatably connected to the second gear 20. The first gear 19 and the second gear 20 are meshed. The second motor 18 is started, so that the second motor 18 drives the first gear 19 to rotate. The first gear 19 and the second gear 20 are meshed. When the second motor 18 is started, the second gear 20 will be driven to rotate. The center of the second gear 20 is fixedly connected to an output shaft 21, and the outer side of the output shaft 21 is fixedly connected to a mixing blade 22. The output shaft 21 is fixed at the center of the second gear 20. The second motor 18 drives the output shaft 21 and the mixing blade 22 to rotate, so as to be able to The fuel inlet pipe 17 is fixedly provided with a three-way pipe 23 on the outside, and the interior of the three-way pipe 23 is respectively fixedly connected with a hydrogen inlet pipe 24 and a combustible gas inlet pipe 25. Hydrogen and combustible gas enter the interior of the fuel inlet pipe 17 through the hydrogen inlet pipe 24 and the combustible gas inlet pipe 25. The interior of the hydrogen inlet pipe 24 and the combustible gas inlet pipe 25 are both provided with valves 26. The valves 26 control the closing of the hydrogen inlet pipe 24 and the combustible gas inlet pipe 25. A casting layer 27 is fixedly connected to one end of the burner body 1, and a flame nozzle is provided at one end of the casting layer 27. The casting layer 27 is a circular channel cast by concrete, and the casting layer 27 has a high temperature resistance effect. The flame ejected by the flame nozzle is discharged through the casting layer 27.

[0037] In the present invention, the combustion-supporting air duct 3 is installed above the burner body 1 through the flange 2, and the combustion-supporting air duct 3 is connected to the burner body 1, and the external wind can enter the interior of the burner body 1 through the combustion-supporting air duct 3, thereby increasing the combustion effect of the fuel. Thereafter, the sleeve 7 is sleeved on the end of the combustion-supporting air duct 3. When the first sealing layer 8 and the second sealing layer 9 are in contact, the sleeve 7 and the combustion-supporting air duct 3 will form a seal, thereby sealing the gap between the sleeve 7 and the combustion-supporting air duct 3. The bolt 10 is threadedly connected to the interior of the sleeve 7 so that the bolt 7 extends to the interior of the positioning block 11 outside the combustion-supporting air duct 3, thereby fixing the sleeve 7 on the outside of the combustion-supporting air duct 3. When it is necessary to increase the air intake rate, the first motor 4 is started, so that the first motor 4 drives the induced draft blade 6 to rotate through the drive shaft 5, thereby increasing the air flow, so that the wind can quickly enter the interior of the burner body 1, and the air intake through During the process, the filter layer 14 is connected to the interior of the trumpet tube 12 through the block 13, and the external impurities are filtered through the filter layer 14 to prevent the external impurities from entering the interior of the combustion-supporting air duct 3. The fuel inlet pipe 17 is arranged at the bottom of the burner body 1, and hydrogen and combustible gas enter the interior of the burner body 1 through the fuel inlet pipe 17. The second motor 18 is fixed on the outside of the fuel inlet pipe 17, and the second motor 18 is started, so that the second motor 18 drives the first gear 19 to rotate, and the first gear 19 and the second gear 20 are meshed. When the second motor 18 is started, it will drive the second gear 20 to rotate, and the output shaft 21 is fixed at the center of the second gear 20. The second motor 18 drives the output shaft 21 and the mixing blade 22 to rotate, so that the hydrogen and the combustible gas can be mixed, and the hydrogen and the combustible gas enter the interior of the fuel inlet pipe 17 through the hydrogen inlet pipe 24 and the combustible gas inlet pipe 25.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A burner for mixed combustion of hydrogen and combustible gas, comprising a burner body (1), characterized in that: Flanges (2) are fixedly mounted on both sides of the top of the burner body (1), a combustion-supporting air duct (3) is arranged inside the flange (2), a first motor (4) is fixedly mounted on the bottom of the combustion-supporting air duct (3), an output end of the first motor (4) is fixedly connected to a drive shaft (5), an outer side of the drive shaft (5) is fixedly connected to an air induced blade (6), one end of the combustion-supporting air duct (3) is sleeved with a sleeve (7), an end of the combustion-supporting air duct (3) is fixedly connected to a first sealing layer (8), and the sleeve (7 ) is fixedly connected to the middle of the sleeve (7), a bolt (10) is connected to the internal thread of the sleeve (7), positioning blocks (11) are fixedly connected to both sides of the outside of the combustion-supporting air duct (3), the bolts (10) extend to the inside of the positioning blocks (11), one end of the sleeve (7) is fixedly connected to a bell tube (12), both sides of the inner wall of the bell tube (12) are fixedly connected to a clamping block (13), a clamping groove is provided inside the clamping block (13), and a filter layer (14) is clamped inside the clamping groove.

2. A hydrogen and combustible gas mixed combustion burner according to claim 1, characterized in that: A bearing (15) is fixedly mounted on the inner wall of the combustion-supporting air duct (3), and the drive shaft (5) is rotatably connected to the interior of the bearing (15).

3. A hydrogen and combustible gas mixed combustion burner according to claim 1, characterized in that: The filter layer (14) comprises a nanonet (1401) and a dustproof net (1402).

4. A hydrogen and combustible gas mixed combustion burner according to claim 1, characterized in that: An air inlet channel (16) is provided inside the combustion-supporting air pipe (3), and the air inlet channel (16) is trumpet-shaped.

5. The burner for mixed combustion of hydrogen and combustible gas according to claim 1, characterized in that: A fuel inlet pipe (17) is fixedly connected to the bottom of the burner body (1), and a second motor (18) is fixedly installed outside the fuel inlet pipe (17).

6. A burner for mixed combustion of hydrogen and combustible gas according to claim 5, characterized in that: The output end of the second motor (18) is fixedly connected to a first gear (19), the inner bottom wall of the fuel inlet pipe (17) is rotatably connected to a second gear (20), and the first gear (19) and the second gear (20) are meshed.

7. A hydrogen and combustible gas mixed combustion burner according to claim 6, characterized in that: An output shaft (21) is fixedly connected to the center of the second gear (20), and a mixing blade (22) is fixedly connected to the outer side of the output shaft (21).

8. The burner for mixed combustion of hydrogen and combustible gas according to claim 5, characterized in that: A three-way pipe (23) is fixedly installed on the outer side of the fuel inlet pipe (17), and a hydrogen inlet pipe (24) and a combustible gas inlet pipe (25) are respectively fixedly connected inside the three-way pipe (23).

9. A hydrogen and combustible gas mixed combustion burner according to claim 8, characterized in that: The hydrogen inlet pipe (24) and the combustible gas inlet pipe (25) are both provided with valves (26) inside.

10. The burner for mixed combustion of hydrogen and combustible gas according to claim 5, characterized in that: One end of the burner body (1) is fixedly connected to a casting layer (27), and one end of the casting layer (27) is provided with a flame spray head.

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