CN116518374A - Combustor for dual-fuel combustion of marine hydrogen and diesel - Google Patents
Combustor for dual-fuel combustion of marine hydrogen and diesel Download PDFInfo
- Publication number
- CN116518374A CN116518374A CN202310555302.4A CN202310555302A CN116518374A CN 116518374 A CN116518374 A CN 116518374A CN 202310555302 A CN202310555302 A CN 202310555302A CN 116518374 A CN116518374 A CN 116518374A
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- Prior art keywords
- pipe
- burner
- air
- ignition
- fuel combustion
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 27
- 239000000446 fuel Substances 0.000 title claims abstract description 25
- 239000001257 hydrogen Substances 0.000 title claims abstract description 22
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 22
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title abstract description 7
- 238000007664 blowing Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 43
- 239000007921 spray Substances 0.000 claims description 19
- 230000009977 dual effect Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 9
- 239000002283 diesel fuel Substances 0.000 claims description 6
- 238000000889 atomisation Methods 0.000 claims description 4
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 11
- 230000006978 adaptation Effects 0.000 claims 1
- 150000002431 hydrogen Chemical class 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 10
- 238000007789 sealing Methods 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000013072 incoming material Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D17/00—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel
- F23D17/002—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel gaseous or liquid fuel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Abstract
The invention belongs to the technical field of burners, and discloses a burner for dual-fuel combustion of marine hydrogen and diesel, which comprises an air guide pipe, wherein an air inlet end of the air guide pipe is communicated with an air blowing mechanism, a burner with a tubular structure is connected at an air outlet of the air guide pipe, a shaft rod frame is fixed in the air guide pipe, a rotating shaft is rotationally connected to the top end of the shaft rod frame, two centrally symmetrically arranged air guide fan pages are fixedly connected to one end part of the rotating shaft, which is close to the burner, a cross air guide plate is clamped in the burner, an outer ring is reserved on the conical outer wall of the burner at the cross air guide plate, two groups of mutually centrally symmetrical ignition nozzle groups are spliced on the outer wall of the outer ring, one group of ignition nozzle groups is communicated with a pipeline for inputting hydrogen, and the other group of ignition nozzle groups is communicated with a pipeline for inputting high-pressure diesel; the invention has simple integral structure and can improve the combustion efficiency of fuel.
Description
Technical Field
The invention relates to the technical field of combustors, in particular to a combustor for dual-fuel combustion of marine hydrogen and diesel.
Background
The boiler burner has complex structure and high manufacturing cost; after the installation is finished, the internal structure is fixed, and the pipeline is difficult to adjust according to the force-giving condition of the boiler; therefore, separate combustors have been developed, and the combustor is a device for injecting fuel and air for mixed combustion in a certain manner; the burner is divided into a plurality of industrial burner-civil burner-special burner according to types and application fields.
Through searching, when the existing burner is used for burning, the blowing amount is greatly increased in order to enable the flame to generate the injection effect, but the blowing amount and the blowing time of the blowing are important factors influencing the burning of the flame, the injected fuel is blown away when the air quantity is too large, and the flame is accumulated in the burner to burn when the air quantity is too small, so that the dual-fuel burner for improving the burning efficiency is needed.
Disclosure of Invention
The invention aims to solve the technical problem of providing the combustor for dual-fuel combustion of the marine hydrogen and diesel, which can fully combust the hydrogen and the diesel, has a simple integral structure, is convenient to manufacture and produce, and can reduce the production and use cost.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a marine hydrogen diesel oil dual fuel combustion uses combustor, including the guide duct, the inlet end intercommunication blast mechanism of guide duct, the air outlet department of guide duct is connected with tubular structure's nozzle, guide duct internal fixation has the axostylus axostyle frame, and the top rotation of axostylus axostyle frame is connected with the axis of rotation, the axis of rotation is close to two guide fan pages that are central symmetry and lay on the tip of nozzle, the inside joint of nozzle has the cross aviation baffle, the circular cone outer wall of nozzle is located cross aviation baffle department and reserves the installation outer loop, and peg graft on the outer wall of installation outer loop and have two sets of ignition shower nozzle groups that are central symmetry each other, wherein a set of ignition shower nozzle group intercommunication has the pipeline of input hydrogen, another set of ignition shower nozzle group intercommunication has the pipeline of input high-pressure diesel oil.
The following is a further optimization of the above technical solution according to the present invention:
each group of ignition spray heads comprises two ignition spray heads, the tail ends of the two ignition spray heads of one group are fixed with atomization spray heads, and a communicating pipe is connected between the two ignition spray heads of each group.
Further optimizing: the distance between the plane of the side of the cross air deflector close to the air guiding fan blade and the air guiding fan blade is less than five millimeters, but the cross air deflector is not contacted with the air guiding fan blade.
Further optimizing: the installation block is fixedly installed on the circumferential outer wall of the air guide pipe near the bottom end position of the air guide pipe, the control box is fixed at the bottom end of the installation block, the observation port is formed in the front face of the control box, two high-pressure liquid inlet pipes and high-pressure air inlet pipes which are parallel to each other are inserted into the upper surface of the control box near the corners of the control box, and the top ends of the high-pressure liquid inlet pipes and the high-pressure air inlet pipes are respectively communicated with the ignition spray heads of the two groups of ignition spray head groups through pressure-resistant conveying pipes.
Further optimizing: the middle of the high-pressure liquid inlet pipe and the high-pressure air inlet pipe is close to the middle of the control box, a valve and a barometer are arranged, a stepping motor is further arranged in the control box, a speed change gear box matched with the stepping motor is fixed on the inner wall of the control box close to the top end, and a control panel for controlling the stepping motor to operate is arranged on the front face of the control box.
Further optimizing: the output end of the speed change gear box is connected with a transmission rod, the transmission rod penetrates through the outer wall of the air guide pipe and is in transmission connection with the rotating shaft through a first transmission component, and the transmission rod rotates to drive the rotating shaft and the two air guide fan pages to rotate and is used for switching another group of air supply channels.
Further optimizing: the automatic speed changing device is characterized in that a valve switching mechanism is arranged above the speed changing gear box and comprises a transmission pipe rotatably arranged at the top end position of the speed changing gear box, flywheel rotating plates which are mutually symmetrical in center are respectively fixed at two ends of the transmission pipe, and the middle position of the transmission pipe is in transmission connection with an output shaft of the speed changing gear box through a second transmission assembly.
Further optimizing: the valve comprises a valve ball shell, a valve ball core is rotatably connected in the valve ball shell, a through flow guide hole is formed in the valve ball core, through holes are formed in one sides of the two valve ball shells, which are opposite to each other, and round rod shafts are arranged at the positions of the through holes of the two valve ball cores.
Further optimizing: the two round rod shafts are located on the same straight line, one ends of the two round rod shafts, far away from the valve ball cores, are all fixed with valve turntables, the surfaces of the two valve turntables are all connected with rockers, one ends of the two rockers, far away from the valve turntables, are all hinged with connecting rods, and the other ends of the two connecting rods are respectively hinged with the end parts of flywheel rotating plates on the sides where the two connecting rods are located.
Further optimizing: the air blowing mechanism comprises a worm gear shell and a worm gear fan rotationally connected inside the worm gear shell, one end of the air guide pipe is communicated with an air outlet of the worm gear shell, a bearing seat is fixedly arranged on one side of the worm gear shell, a supporting frame is fixed on the outer side of the bearing seat, a worm gear fan motor is arranged on the supporting frame, and a power output end of the worm gear fan motor is in transmission connection with the worm gear fan.
The invention adopts the technical scheme and has the following beneficial effects:
1. through the setting of two fan guide pages that are central symmetry each other, can be when ignition and blast air, the cavity that cross aviation baffle and nozzle inner wall constitute does not have the air current when igniting promptly, after waiting to ignite to accomplish, two fan guide pages rapidly turn on the air current switching channel and to the cavity of ignition in the past, then blow off the flame of complete burning, be favorable to improving the combustion efficiency of fuel like this.
2. Through the setting of bearing frame and bearing for the device makes the burning nozzle insert the combustion chamber of boiler bottom with arbitrary elevation angle when the installation, and the bottom of the support frame of device can be horizontal be located on the fixed station, has improved the convenience and the stability of installation.
3. Through the arrangement of two flywheel rotating plates which are mutually in central symmetry, the two valves can be alternately opened and closed, and then the intermittent operation of the two groups of chambers is realized to provide energy.
The invention will be further described with reference to the drawings and examples.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic diagram of another view of the overall structure of an embodiment of the present invention;
FIG. 3 is a schematic view showing a structure of a fan blade according to an embodiment of the present invention;
FIG. 4 is a schematic view of a burner in an embodiment of the invention;
FIG. 5 is a schematic view in semi-section of a valve in an embodiment of the invention;
FIG. 6 is a schematic diagram showing the overall structure of a valve switching mechanism according to an embodiment of the present invention;
fig. 7 is an assembly view of a worm gear fan according to an embodiment of the present invention.
In the figure: 1-a supporting frame; 2-a worm gear fan motor; 3-a worm gear housing; 301-perforating; 302-mounting blocks; 4-mounting blocks; 5-an air guide pipe; 6-atomizing spray heads; 7-burning nozzle; 8-mounting an outer ring; 9-inclined jacks; 10-valve; 11-a control box; 12-a high-pressure liquid inlet pipe; 13-a high pressure air inlet pipe; 14-a control panel; 15-a transmission rod; 16-a worm gear fan; 17-a stepper motor; 18-a cross air deflector; 19-communicating pipe; a 20-coupling; 21-a speed change gearbox; 22-a shaft support; 23-fan guide pages; 24-igniting a spray head; 25-a first bevel gear; 26-a second bevel gear; 27-worm gear; 28-worm sleeve; 29-a drive tube; 30-flywheel rotating plate; 31-connecting rod; 32-a valve turntable; 33-valve spool; 34-valve ball housing; 35-a diversion hole; 36-rotation axis.
Detailed Description
As shown in fig. 1-7, the marine hydrogen-diesel dual-fuel combustion burner comprises an air guide pipe 5, an air inlet end of the air guide pipe 5 is communicated with a blowing mechanism, a burner 7 of a tubular structure is connected to an air outlet of the air guide pipe 5, an axle support 22 is fixed in the air guide pipe 5, a rotating shaft 36 is rotatably connected to the top end of the axle support 22, two fan guide pages 23 which are arranged in a central symmetry manner are fixedly connected to one end part of the rotating shaft 36, which is close to the burner 7, a cross air deflector 18 is clamped in the burner 7, an outer conical wall of the burner 7 is reserved at the cross air deflector 18, two groups of ignition nozzle groups which are mutually in central symmetry are spliced on the outer wall of the outer mounting ring 8, one group of ignition nozzle groups is communicated with a pipeline for inputting hydrogen, and the other group of ignition nozzle groups is communicated with a pipeline for inputting high-pressure diesel.
One end of the air guide pipe 5 far away from the air blowing mechanism is arranged in a straight pipe shape, and an air outlet of the air guide pipe 5 is connected with a burner 7 in a pipe-shaped structure through a flange.
The axis of the rotating shaft 36 and the axis of the air guide pipe 5 are coaxially arranged, the rotating shaft 36 is rotatably connected with the shaft rod frame 22 through a bearing, and the rotating shaft 36 rotates to drive the air guide fan blade 23 to rotate.
The fan blade 23 is formed by two mutually symmetrical fan-shaped sections with an angle of 90 degrees on the side close to the burner 7.
The cross air deflector 18 is formed by clamping two mutually perpendicular flat plates, and four cavities are formed between the cross air deflector 18 and the inner wall of the burner 7.
Each group of ignition spray heads comprises two ignition spray heads 24, wherein the tail ends of the two ignition spray heads 24 of one group are fixed with atomizing spray heads 6, and a communicating pipe 19 is connected between the two ignition spray heads 24 of each group.
In this embodiment, the number of the ignition nozzle groups is two, and the number of the ignition nozzles 24 is four, and the tail ends of two ignition nozzles 24 of one group are both fixed with the atomizing nozzle 6, and a communication pipe 19 is connected between the two ignition nozzles 24 of each group.
The four ignition nozzles 24 are communicated with four cavities respectively formed between the cross air deflector 18 and the inner wall of the burner 7.
In this way, when in use, through the arrangement of the two guide fan pages 23 which are mutually in central symmetry, the two guide fan pages can be blocked for a short time when in ignition and blowing, namely, when in ignition, the cavity formed by the cross air deflector 18 and the inner wall of the burner 7 is free of air flow, after the ignition is finished, the two guide fan pages 23 rapidly turn the air flow switching channel to the cavity which is ignited at the previous time, and then the flame which is burnt completely is blown out, so that the combustion efficiency of fuel is improved.
The atomization nozzle 6 is arranged on the ignition nozzle 24 corresponding to the pipeline for inputting high-pressure diesel oil, and the high-pressure liquid fuel of incoming materials, namely diesel oil, can be atomized by the arrangement of the atomization nozzle 6 and then ignited, so that the combustion efficiency is improved.
Referring to fig. 2 and 4, the outer surface of the outer ring 8 is provided with an eight-prismatic structure, and the outer wall of the outer ring 8 is provided with four inclined insertion holes 9 which obliquely penetrate into the inner cavity of the burner 7, and by the arrangement of the inclined insertion holes 9, the ignition nozzle 24 can be sprayed into the burner 7 to form a larger cavity with the cross air deflector 18, so that the combustion efficiency is improved.
The cross air deflector 18 is located at a distance of less than five millimeters from the fan blade 23, but is not in contact with the plane of the fan blade 23.
By the design, most of air flows can flow in the blocking direction, the air flows are prevented from flowing into the chamber under ignition from the gap, and the sufficient combustion is ensured.
Referring to fig. 2-3, the circumferential outer wall of the air guide pipe 5 is fixedly provided with a mounting block 4 by a screw at a position close to the bottom end of the air guide pipe, the bottom end of the mounting block 4 is fixed with a control box 11, and the front of the control box 11 is provided with an observation port.
The upper surface of the control box 11 is inserted with two high-pressure liquid inlet pipes 12 and 13 which are parallel to each other near the corner, and the top ends of the high-pressure liquid inlet pipes 12 and 13 are respectively communicated with the ignition nozzles 24 of the two groups of ignition nozzle groups through pressure-resistant conveying pipes.
The communicating pipe 19 in each group of ignition nozzle groups is connected in series with a three-way joint, and the top ends of the high-pressure liquid inlet pipe 12 and the high-pressure air inlet pipe 13 are respectively communicated with the corresponding three-way joint through pressure-resistant conveying pipes.
The middle of the high-pressure liquid inlet pipe 12 and the high-pressure air inlet pipe 13 is close to the middle of the control box 11, a valve 10 and a barometer are arranged, a stepping motor 17 is further arranged in the control box 11, a speed change gear box 21 matched with the stepping motor 17 is fixed on the inner wall of the control box 11 close to the top end, and the output torsion speed of the speed change gear box 21 is 180 degrees in each rotation.
The front surface of the control box 11 is provided with a control panel 14 for controlling the operation of a stepping motor 17; the control panel may control the rotational speed of the stepper motor 17 and the rotational speed of the blower mechanism.
Referring to fig. 2, the output end of the speed change gear box 21 is connected with a coupling 20, the top end of the coupling 20 is connected with a transmission rod 15, and the upper end of the transmission rod 15 passes through the outer wall of the air guide pipe 5 and is in transmission connection with a rotating shaft 36 through a first transmission assembly.
The first transmission assembly includes a first bevel gear 25 fixedly mounted on a rotation shaft 36, and a second bevel gear 26 is fixed to an upper end portion of the transmission rod 15, and the second bevel gear 26 is engaged with the first bevel gear 25.
So designed, the step motor 17 works to drive the speed change gear box 21 to work, at this time, the speed change gear box 21 drives the transmission rod 15 to rotate, and the rotation of the transmission rod 15 drives the rotation shaft 36 and the two fan guide pages 23 to rotate through the meshing transmission of the first bevel gear 25 and the second bevel gear 26, so as to switch another group of air supply channels.
In this embodiment, the second bevel gear 26 rotates 180 ° and the first bevel gear 25 rotates 90 °, and at this time, the two fan blades 23 can switch another set of air supply channels.
The outer wall of the air guide pipe 5 is provided with a mounting hole at a position close to the transmission rod 15, a sealing bearing is clamped in the mounting hole, the transmission rod 15 is rotationally connected with the air guide pipe 5 through the sealing bearing, and the loss and overflow of air quantity can be reduced through the sealing bearing.
Referring to fig. 5-6, a valve switching mechanism is arranged above the speed change gear box 21, the valve switching mechanism comprises bearing frames fixed at the positions, close to two sides, of the top end of the speed change gear box 21, and the same transmission tube 29 is rotatably connected between the two bearing frames.
The two ends of the transmission tube 29 are respectively fixed with flywheel rotating plates 30 which are mutually symmetrical in center, and the middle position of the transmission tube 29 is in transmission connection with the output shaft of the speed change gear box 21 through a second transmission component.
The second transmission assembly comprises a worm sleeve 28, the worm sleeve 28 is sleeved on the output shaft of the speed change gear box 21, a worm wheel 27 is fixedly arranged in the middle of the transmission tube 29, and the worm sleeve 28 is meshed with the worm wheel 27.
The output shaft of the speed change gearbox 21 rotates half a turn, driving the drive tube 29 also half a turn.
The valve 10 comprises a valve ball shell 34, a valve ball core 33 is rotatably connected in the valve ball shell 34, a through flow guide hole 35 is formed in the valve ball core 33, through holes are formed in one sides, opposite to each other, of the two valve ball shells 34, and a round rod shaft is arranged at the position, located at the through holes, of the two valve ball cores 33.
The two round rod shafts are located on the same straight line, the valve turntables 32 are fixed at one ends of the two round rod shafts, which are far away from the valve ball cores 33, the rocking bars are connected to the surfaces of the two valve turntables 32, the connecting rods 31 are hinged to one ends of the two rocking bars, which are far away from the valve turntables 32, and the other ends of the two connecting rods 31 are hinged to the end parts of the flywheel turnplates 30 on the side where the connecting rods are located.
By means of the arrangement of the two flywheel rotating plates 30 which are mutually symmetrical in center, the two valves 10 can be alternately opened and closed, and then intermittent operation of the two groups of chambers is realized to provide energy.
In this embodiment, wear-resistant sealing rings are disposed at the through holes on the valve ball housing 34, and the valve ball core 33 and the inner wall of the valve ball housing 34 form an interference fit, so as to improve the air tightness of the valve 10 in the device.
The air blowing mechanism comprises a worm gear shell 3 and a worm gear fan 16 rotatably connected inside the worm gear shell 3, one end of an air guide pipe 5 is communicated with an air outlet of the worm gear shell 3, a bearing seat is fixedly arranged on one side of the worm gear shell 3, a support frame 1 is fixedly arranged on the outer side of the bearing seat, a worm gear fan motor 2 is arranged on the support frame 1, and a power output end of the worm gear fan motor 2 is in transmission connection with the worm gear fan 16.
An elliptical hole is formed in the circumferential outer wall of the worm wheel shell 3, the elliptical hole is an air outlet, and one end portion, close to the worm wheel shell 3, of the air guide pipe 5 is welded on the outer wall of the worm wheel shell 3 in a seamless mode.
The front middle of the worm gear shell 3 is reserved with a shaft hole, the outer wall of the worm gear shell 3 is integrally connected with a protruding pipe close to the shaft hole, the protruding pipe is fixedly connected with a bearing seat, and the bearing seat is fixedly arranged on the support frame 1.
A round rod shaft is further fixed in the middle of the worm gear fan 16, and one end, far away from the worm gear fan 16, of the round rod shaft is in transmission connection with the power output end of the worm gear fan motor 2 through a shaft connector.
When in use, the burner 7 of the device is inserted into a heating chamber below a boiler, and then high-pressure diesel oil and hydrogen are respectively introduced into the high-pressure liquid inlet pipe 12 and the high-pressure gas inlet pipe 13; then the worm wheel fan motor 2 and the stepping motor 17 are started through the control panel 14.
At this time, the valve switching mechanism is started and alternately supplies energy to the two groups of combustion chambers divided by the cross air deflector 18 intermittently; simultaneously, through the arrangement of the two mutually central symmetrical guide fan blades 23, the ignition work and the blowing work are separated for a short time, namely, when the ignition is carried out, the cavity formed by the cross air deflector 18 and the inner wall of the burner 7 is free of air flow, after the ignition is finished, the two guide fan blades 23 rapidly turn open the air flow switching channel to the cavity which is ignited at the previous time, and then the flame which is burnt completely is blown out, so that the combustion efficiency of fuel is improved.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a marine hydrogen diesel oil dual fuel combustion uses combustor, includes guide duct (5), and the inlet end intercommunication blast mechanism of guide duct (5), the air outlet department of guide duct (5) is connected with tubular structure's nozzle (7), its characterized in that: an axle rod frame (22) is fixed in the air guide pipe (5), the top end of the axle rod frame (22) is rotationally connected with a rotating shaft (36), two fan guide pages (23) which are arranged in a central symmetry mode are fixedly connected to one end portion of the rotating shaft (36) close to the burner (7), a cross air guide plate (18) is clamped inside the burner (7), an installation outer ring (8) is reserved at the position, located at the cross air guide plate (18), of the conical outer wall of the burner (7), two groups of ignition nozzle groups which are in central symmetry are spliced on the outer wall of the installation outer ring (8), one group of ignition nozzle groups are communicated with pipelines for inputting hydrogen, and the other group of ignition nozzle groups are communicated with pipelines for inputting high-pressure diesel.
2. A marine hydrogen diesel dual fuel combustion burner as set forth in claim 1 wherein: each group of ignition spray heads comprises two ignition spray heads (24), wherein the tail ends of the two ignition spray heads (24) of one group are respectively fixed with an atomization spray head (6), and a communicating pipe (19) is connected between the two ignition spray heads (24) of each group.
3. A marine hydrogen diesel dual fuel combustion burner as set forth in claim 2 wherein: the distance between the plane of the side of the cross air deflector (18) close to the fan guiding blade (23) and the fan guiding blade (23) is less than five millimeters, but the cross air deflector is not contacted with the fan guiding blade.
4. A marine hydrogen diesel dual fuel combustion burner as claimed in claim 3, wherein: the utility model discloses a high-pressure air inlet pipe, including guide duct (5), guide duct, control box (11), pressure-resistant conveyer pipe, high-pressure air inlet pipe (13), installing piece (4) is fixedly installed near its bottom position department on the circumference outer wall of guide duct (5), and the bottom mounting of installing piece (4) has control box (11), and the front of control box (11) is opened there is the viewing aperture, and the upper surface of control box (11) is close to the corner grafting has two high-pressure feed pipe (12) and high-pressure air inlet pipe (13) that are parallel to each other, and the top of high-pressure feed pipe (12) and high-pressure air inlet pipe (13) is through pressure-resistant conveyer pipe and the ignition shower nozzle (24) intercommunication of two sets of ignition shower nozzle groups respectively.
5. A marine hydrogen diesel dual fuel combustion burner as set forth in claim 4 wherein: the middle of high-pressure feed liquor pipe (12) and high-pressure air inlet pipe (13) are close to the centre of control box (11) and all are provided with valve (10) and barometer, and the inside of control box (11) still is provided with step motor (17), and the inner wall of control box (11) is close to the top and is fixed with speed change gear box (21) with step motor (17) looks adaptation, and the front of control box (11) is provided with control panel (14) of control step motor (17) operation.
6. A marine hydrogen diesel dual fuel combustion burner as set forth in claim 5 wherein: the output end of the speed change gear box (21) is connected with a transmission rod (15), the transmission rod (15) penetrates through the outer wall of the air guide pipe (5) and is in transmission connection with the rotating shaft (36) through a first transmission assembly, and the transmission rod (15) rotates to drive the rotating shaft (36) and the two air guide fan pages (23) to rotate so as to be used for switching another group of air supply channels.
7. A marine hydrogen diesel dual fuel combustion burner as set forth in claim 6 wherein: the automatic speed changing device is characterized in that a valve switching mechanism is arranged above the speed changing gear box (21), the valve switching mechanism comprises a transmission pipe (29) rotatably arranged at the top end position of the speed changing gear box (21), flywheel rotating plates (30) which are mutually symmetrical in center are respectively fixed at two ends of the transmission pipe (29), and the middle position of the transmission pipe (29) is in transmission connection with an output shaft of the speed changing gear box (21) through a second transmission component.
8. A marine hydrogen diesel dual fuel combustion burner as set forth in claim 7 wherein: the valve (10) comprises a valve ball shell (34), a valve ball core (33) is rotatably connected in the valve ball shell (34), a through flow guide hole (35) is formed in the valve ball core (33), through holes are formed in one sides, opposite to each other, of the two valve ball shells (34), and round rod shafts are arranged at the positions, located at the through holes, of the two valve ball cores (33).
9. A marine hydrogen diesel dual fuel combustion burner as set forth in claim 8 wherein: two the round bar axle is located same straight line, and the one end that valve ball core (33) was kept away from to two round bar axles all is fixed with valve carousel (32), and the surface of two valve carousels (32) all is connected with the rocker, and the one end that valve carousel (32) was kept away from to two rockers all articulates there is connecting rod (31), and the other end of two connecting rod (31) articulates with the tip of flywheel revolving plate (30) of place side respectively.
10. A marine hydrogen diesel dual fuel combustion burner as set forth in claim 9 wherein: the air blowing mechanism comprises a worm gear shell (3) and a worm gear fan (16) rotationally connected inside the worm gear shell (3), one end of an air guide pipe (5) is communicated with an air outlet of the worm gear shell (3), a bearing seat is fixedly arranged on one side of the worm gear shell (3), a support frame (1) is fixed on the outer side of the bearing seat, a worm gear fan motor (2) is arranged on the support frame (1), and a power output end of the worm gear fan motor (2) is in transmission connection with the worm gear fan (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310555302.4A CN116518374A (en) | 2023-05-17 | 2023-05-17 | Combustor for dual-fuel combustion of marine hydrogen and diesel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310555302.4A CN116518374A (en) | 2023-05-17 | 2023-05-17 | Combustor for dual-fuel combustion of marine hydrogen and diesel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116518374A true CN116518374A (en) | 2023-08-01 |
Family
ID=87406332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310555302.4A Withdrawn CN116518374A (en) | 2023-05-17 | 2023-05-17 | Combustor for dual-fuel combustion of marine hydrogen and diesel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116518374A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117128512A (en) * | 2023-08-30 | 2023-11-28 | 襄阳中和机电技术有限公司 | Hydrogen fuel burner |
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2023
- 2023-05-17 CN CN202310555302.4A patent/CN116518374A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117128512A (en) * | 2023-08-30 | 2023-11-28 | 襄阳中和机电技术有限公司 | Hydrogen fuel burner |
| CN117128512B (en) * | 2023-08-30 | 2024-02-02 | 襄阳中和机电技术有限公司 | Hydrogen fuel burner |
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Application publication date: 20230801 |
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| WW01 | Invention patent application withdrawn after publication |