CN111473330A - Low-nitrogen burner - Google Patents
Low-nitrogen burner Download PDFInfo
- Publication number
- CN111473330A CN111473330A CN202010287003.3A CN202010287003A CN111473330A CN 111473330 A CN111473330 A CN 111473330A CN 202010287003 A CN202010287003 A CN 202010287003A CN 111473330 A CN111473330 A CN 111473330A
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- Prior art keywords
- wall
- combustion chamber
- pipe
- rod
- guide rod
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/26—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid with provision for a retention flame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/60—Devices for simultaneous control of gas and combustion air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/70—Baffles or like flow-disturbing devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention provides a low-nitrogen combustor, comprising: the fan, the tuber pipe, the air outlet and the tuber pipe one end intercommunication of fan are provided with the combustion chamber in the tuber pipe, and the both ends of combustion chamber are provided with a plurality of holes, are provided with the gas diffusion tube on the one end outer wall that the tuber pipe is close to the fan, and tuber pipe wall is passed to gas diffusion tube one end to extend to in the combustion chamber. The invention aims to provide a low-nitrogen combustor with high resource utilization rate and low environmental pollution.
Description
Technical Field
The invention belongs to the technical field of combustors, and particularly relates to a low-nitrogen combustor.
Background
The burner is a general term for a device for ejecting fuel and air in a certain manner to perform mixed combustion. The burners are classified into industrial burners, civil burners and special burners according to types and application fields. Is made of corrosion-resistant and high-temperature-resistant materials such as stainless steel or metallic titanium. The burner functions to atomize the sample by flame combustion. The atomized test solution enters a burner, and a large amount of ground state atoms, and part of excited state atoms, ions and molecules are generated through the processes of drying, melting, evaporation, dissociation and the like under the action of flame temperature and flame atmosphere. The burner has the advantages of high atomization efficiency, low noise and stable flame, so as to ensure higher absorption sensitivity and measurement precision. A slit burner is commonly used in atomic absorption spectroscopy to generate atomic vapor. The existing burner directly sprays fuel gas into combustion-supporting air, a lot of nitrogen oxides can be generated, the utilization rate of resources is not high enough, and the generated nitrogen oxides can cause certain pollution to the environment.
Disclosure of Invention
Therefore, the technical problems to be solved by the invention are to overcome the problems that a lot of nitrogen oxides are generated in the prior art, the utilization rate of resources is not high enough, and the generated nitrogen oxides cause certain pollution to the environment.
Therefore, the low-nitrogen combustor adopts the technical scheme that the low-nitrogen combustor comprises a fan and an air pipe, wherein an air outlet of the fan is communicated with one end of the air pipe, a combustion chamber is arranged in the air pipe, a plurality of holes are formed in two ends of the combustion chamber, a fuel gas diffusion pipe is arranged on the outer wall of one end, close to the fan, of the air pipe, and one end of the fuel gas diffusion pipe penetrates through the wall surface of the air pipe and extends into the combustion chamber.
Preferably, the combustion chamber with the tuber pipe inner wall is connected through the head rod, the tuber pipe is kept away from the one end of fan is provided with surely fires the cover, the combustion chamber is close to the one end of surely firing the cover is provided with the guide plate, guide plate one end with the combustion chamber outer wall connection, the guide plate other end with tuber pipe inner wall connection, be provided with a plurality of exhaust vents on the guide plate.
Preferably, an automatic wind speed adjusting device is arranged between the inner wall of the wind pipe and the outer wall of the combustion chamber, and the automatic wind speed adjusting device comprises:
the cylinder is arranged on the outer wall of the combustion chamber, the cylinder extends along the length direction of the combustion chamber, a guide port is arranged on the outer wall of the combustion chamber and is communicated with the cylinder,
the first guide rod is arranged in the cylinder, one end of the first guide rod is fixedly connected with the right side of the inner wall of the cylinder, and the other end of the first guide rod extends towards the left side of the inner wall of the cylinder;
the first magnet is arranged on the first guide rod and can reciprocate left and right along the first guide rod;
the first spring is sleeved on the first guide rod, one end of the first spring is fixedly connected with the right side of the inner wall of the cylinder body, and the other end of the first spring is fixedly connected with the first magnet;
the wind shield is arranged in the combustion chamber, one end of the second connecting rod is connected with the wind shield, and the other end of the second connecting rod penetrates through the guide opening to extend into the cylinder and is connected with the first magnet;
one end of the second guide rod is connected with the left end of the cylinder, the other end of the second guide rod extends towards the guide plate, a second magnet is arranged on the second guide rod and can reciprocate left and right along the second guide rod, and the magnetic poles of the first magnet and the second magnet are opposite;
the second spring is sleeved on the second guide rod, one end of the second spring is connected with the outer wall of the cylinder, and the other end of the second spring is connected with the second magnet;
one end of the air adjusting plate is hinged with the outer wall of the combustion chamber close to one end of the gas diffusion pipe, and the other end of the air adjusting plate extends to a position between the outer wall of the cylinder and the inner wall of the air pipe;
and one end of the connecting rod is hinged with the second magnet, and the other end of the connecting rod is hinged with one end, far away from the combustion chamber, of the air adjusting plate.
Preferably, one end, far away from the cylinder, of the second guide rod is provided with a first limiting block.
Preferably, one end of the gas diffusion pipe extending into the combustion chamber is provided with a conical opening.
Preferably, the cleaning device further comprises a cleaning device, wherein the cleaning device comprises:
the groove body is arranged on the outer wall of the air pipe, a motor is arranged on the inner wall of the groove body, an output shaft of the motor is connected with a cam, and teeth are arranged on the circumferential outer wall of the cam;
the first gear is arranged on the first rotating shaft, a first belt pulley is arranged on the first gear, the first gear is coaxial with the first belt pulley, and the first gear is meshed with the cam;
l type rods, wherein one end of each L type rod is rotatably connected with one end of a first rotating shaft, an arc-shaped groove is formed in the outer wall of the air pipe, and the other end of the first rotating shaft penetrates through the arc-shaped groove to extend into the air pipe and is connected with first fan blades;
one end of the second rotating shaft is rotatably connected with the inflection point of the L-shaped rod, and the other end of the second rotating shaft penetrates through the wall surface of the air pipe to extend into the air pipe and is connected with the second fan blade;
the second belt pulley is arranged on the second rotating shaft and is rotationally connected with the second rotating shaft, and the first belt pulley is connected with the second belt pulley through a belt;
the flat plate is arranged at one end, far away from the second belt pulley, of the L-shaped rod, a sliding groove is formed in the flat plate, a sliding block is arranged in the sliding groove, and the sliding block can slide in the sliding groove in a reciprocating mode;
the sliding sleeve is arranged below the flat plate, the sliding sleeve is fixed on the outer wall of the air pipe, one end of the third guide rod is hinged with the sliding block, and the other end of the third guide rod penetrates through the sliding sleeve and is connected with the second limiting block;
the third spring is sleeved on the third guide rod, one end of the third spring is connected with the second limiting block, and the other end of the third spring is connected with the sliding sleeve;
the liquid storage tank is arranged in the groove body, cleaning liquid is arranged in the liquid storage tank, a liquid outlet pipe is arranged on the liquid storage tank, a pressure pump is arranged on the liquid outlet pipe, one end of the liquid outlet pipe is communicated with the liquid storage tank, and the other end of the liquid outlet pipe penetrates through the wall surface of the air pipe and extends to the fan blade;
the sleeve pipe, sleeve pipe one end with the drain pipe intercommunication, be provided with the sealing plug in the sleeve pipe other end, the intraductal carriage release lever that is provided with of sleeve, the carriage release lever with the third guide bar parallels, carriage release lever one end with the sealing plug is connected, the carriage release lever other end extends outside the sleeve pipe, the carriage release lever with connect through the third connecting rod between the third guide bar.
Preferably, the liquid storage tank is provided with a liquid inlet pipe.
Preferably, a cover is arranged on the liquid inlet pipe.
Preferably, an opening is formed in the outer wall of the groove body, and a cover plate is arranged on the opening.
Preferably, an electromagnetic valve is arranged on the liquid outlet pipe.
The technical scheme of the invention has the following advantages: the invention provides a low-nitrogen combustor, comprising: the fan, the tuber pipe, the air outlet and the tuber pipe one end intercommunication of fan are provided with the combustion chamber in the tuber pipe, and the both ends of combustion chamber are provided with a plurality of holes, are provided with the gas diffusion tube on the one end outer wall that the tuber pipe is close to the fan, and tuber pipe wall is passed to gas diffusion tube one end to extend to in the combustion chamber. Because the air-fuel ratio in the combustion chamber 3 is less than 1, namely the air is more than the fuel gas, so that the oxygen in the air has no chance to react with the nitrogen, the nitrogen oxide in the combustion chamber is almost less, the combustion chamber heats unburned combustible materials to 500 ℃, the utilization rate of resources is improved, and the environmental pollution is reduced.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the automatic wind speed adjusting device according to the present invention.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is a sectional view taken along line B-B in fig. 2.
FIG. 5 is a schematic view of the cleaning device of the present invention.
FIG. 6 is a schematic view of the structure of the drain pipe and the fan blade of the present invention.
The marks in the drawing are 1-a fan, 2-an air pipe, 3-a combustion chamber, 4-a gas diffusion pipe, 5-a first connecting rod, 6-a stable combustion cover, 7-a guide plate, 8-a cylinder, 9-a guide port, 10-a first guide rod, 11-a first magnet, 12-a first spring, 13-a wind shield, 14-a second connecting rod, 15-a second guide rod, 16-a second magnet, 17-a second spring, 18-a wind adjusting plate, 19-a connecting rod, 20-a limiting block, 21-a conical port, 22-a groove body, 23-a motor, 24-a cam, 25-a first gear, 26-a first rotating shaft, 27-L type rods, 28-an arc groove, 29-a second rotating shaft, 30-a second belt pulley, 31-a belt, 32-a flat plate, 33-a sliding groove, 34-a sliding block, 35-a sliding sleeve, 36-a third guide rod, 37-a first limiting block, 38-a second blade, 39-a third spring, 40-a liquid storage box, 40-a liquid storage pipe, 41-a liquid storage pipe, 44-a second liquid outlet pipe, a sealing plug, a second connecting pipe, a sealing plug, a fan blade and a fan blade.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
An embodiment of the present invention provides a low-nitrogen combustor, as shown in fig. 1, including: fan 1, tuber pipe 2, the air outlet of fan 1 with 2 one end intercommunications of tuber pipe, be provided with combustion chamber 3 in the tuber pipe 2, the both ends of combustion chamber 3 are provided with a plurality of holes, be provided with gas diffusion tube 4 on the one end outer wall that tuber pipe 2 is close to fan 1, 4 one end of gas diffusion tube is passed tuber pipe 2 wall to extend to in the combustion chamber 3.
The working principle and the beneficial technical effects of the technical scheme are as follows: the gas diffuses into the combustion chamber 3 through the gas diffusion pipe 4, combustion-supporting air is sprayed into the combustion chamber 3 through holes in the combustion chamber 3 through the fan 1 and is mixed with the naturally diffused gas for combustion, and as the air-fuel ratio in the combustion chamber 3 is smaller than 1, namely, more air and less gas are generated, oxygen in the air has no chance to react with nitrogen, nitrogen oxides in the combustion chamber are almost few, unburned combustible substances are heated to 500 ℃ by the combustion chamber, the utilization rate of resources is improved, and the environmental pollution is reduced.
In one embodiment, the combustion chamber 3 is connected with the inner wall of the air pipe 2 through a first connecting rod 5, one end of the air pipe 2, which is far away from the fan 1, is provided with a stable combustion cover 6, one end of the combustion chamber 3, which is close to the stable combustion cover 6, is provided with a guide plate 7, one end of the guide plate 7 is connected with the outer wall of the combustion chamber 3, the other end of the guide plate 7 is connected with the inner wall of the air pipe 2, and the guide plate 7 is provided with a plurality of air outlets.
The working principle and the beneficial technical effects of the technical scheme are as follows: contain combustible gas's high temperature combustion product enter into surely fire cover 6 after, meet with the air through guide plate 7 for the second time, combustible gas at this moment is in high temperature state, and the rapid burning after meeting with the oxygen in the air because combustible gas is in high temperature state, the air-fuel ratio at this moment can be close to 1, has reduced nitrogen oxide's production for the gas can fully burn.
In one embodiment, as shown in fig. 2 to 4, an automatic wind speed adjusting device is disposed between the inner wall of the wind pipe 2 and the outer wall of the combustion chamber 3, and the automatic wind speed adjusting device includes:
a cylinder 8 arranged on the outer wall of the combustion chamber 3, wherein the cylinder 8 extends along the length direction of the combustion chamber 3, a guide port 9 is arranged on the outer wall of the combustion chamber 3, the guide port 9 is communicated with the cylinder 8,
the first guide rod 10 is arranged in the cylinder 8, one end of the first guide rod 10 is fixedly connected with the right side of the inner wall of the cylinder 8, and the other end of the first guide rod 10 extends towards the left side of the inner wall of the cylinder 8;
a first magnet 11 disposed on the first guide bar 10, the first magnet 11 being capable of reciprocating left and right along the first guide bar 10;
the first spring 12 is sleeved on the first guide rod 10, one end of the first spring 12 is fixedly connected with the right side of the inner wall of the cylinder 8, and the other end of the first spring 12 is fixedly connected with the first magnet 11;
the wind shield 13 is arranged in the combustion chamber 3, one end of the second connecting rod 14 is connected with the wind shield 13, and the other end of the second connecting rod 14 penetrates through the guide opening 9, extends into the cylinder 8 and is connected with the first magnet 11;
one end of the second guide rod 15 is connected with the left end of the cylinder 8, the other end of the second guide rod 15 extends towards the guide plate 7, a second magnet 16 is arranged on the second guide rod 15, the second magnet 16 can reciprocate left and right along the second guide rod 15, and the magnetic poles of the first magnet 11 and the second magnet 16 are opposite;
the second spring 17 is sleeved on the second guide rod 15, one end of the second spring 17 is connected with the outer wall of the cylinder 8, and the other end of the second spring 17 is connected with the second magnet 16;
one end of the air adjusting plate 18 is hinged with the outer wall of the combustion chamber 3 close to one end of the gas diffusion pipe 4, and the other end of the air adjusting plate 18 extends to a position between the outer wall of the cylinder 8 and the inner wall of the air pipe 2;
and one end of the connecting rod 19 is hinged with the second magnet 16, and the other end of the connecting rod 19 is hinged with one end, far away from the combustion chamber 3, of the air adjusting plate 18.
The working principle and the beneficial technical effects of the technical scheme are as follows: when the flow rate of high-temperature gas in the combustion chamber 3 is increased, the wind shield 13 is pushed to move leftwards, the wind shield 13 drives the second connecting rod 14 and the first magnet 11 to move leftwards along the first guide rod 10 and stretch the first spring 12, the first magnet 11 is close to the second magnet 16, through magnetic field repulsion, the second magnet 16 is enabled to move leftwards along the second guide rod 15 and stretch the second spring 17 at the same time, the second magnet 16 pulls the connecting rod 19 to move, the connecting rod 19 pulls the wind adjusting plate 18 to rotate anticlockwise, so that the ventilation section between the outer wall of the combustion chamber 3 and the inner wall of the air pipe 2 is increased, and the flow rate of air blown through the wind guide plate 7 is increased; when the high-temperature gas flow rate in the combustion chamber 3 becomes small, correspondingly, the ventilation section between the outer wall of the combustion chamber 3 and the inner wall of the air pipe 2 becomes small, and the air flow rate blowing through the guide plate 7 also becomes small, so that the air flow rate and the flow rate of the high-temperature combustible gas keep dynamic balance, the air-fuel ratio of the high-temperature combustible gas at the stable combustion cover 6 is close to 1, the combustible gas can be fully combusted, and the generation of nitrogen oxides is reduced.
In one embodiment, a first stopper 20 is disposed at an end of the second guiding rod 15 away from the cylinder 8.
The working principle and the beneficial technical effects of the technical scheme are as follows: the first stopper 20 prevents the second magnet 16 from exceeding the limit displacement.
In one embodiment, the end of the gas diffusion tube 4 extending into the combustion chamber 3 is provided with a conical mouth 21.
The working principle and the beneficial technical effects of the technical scheme are as follows: the tapered opening 21 enlarges the cross section of the air outlet, which is beneficial to the diffusion of fuel gas.
In one embodiment, as shown in fig. 5-6, further comprising a cleaning device comprising:
the air duct comprises a groove body 22 arranged on the outer wall of the air duct 2, wherein a motor 23 is arranged on the inner wall of the groove body 22, an output shaft of the motor 23 is connected with a cam 24, and teeth are arranged on the circumferential outer wall of the cam 24;
a first gear 25 arranged on the first rotating shaft 26, wherein a first belt pulley 48 is arranged on the first gear 25, the first gear 25 is coaxial with the first belt pulley 48, and the first gear 25 is meshed with the cam 24;
an L-shaped rod 27, wherein one end of the L-shaped rod 27 is rotatably connected with one end of a first rotating shaft 26, an arc-shaped groove 28 is formed on the outer wall of the air duct 2, and the other end of the first rotating shaft 26 penetrates through the arc-shaped groove 28 to extend into the air duct 2 and is connected with a first fan blade 37;
one end of the second rotating shaft 29 is rotatably connected with the inflection point of the L-shaped rod 27, and the other end of the second rotating shaft 29 penetrates through the wall surface of the air duct 2 to extend into the air duct 2 and is connected with the second fan blades 49;
the second belt pulley 30 is arranged on the second rotating shaft 29, the second belt pulley 30 is rotatably connected with the second rotating shaft 29, and the first belt pulley 48 is connected with the second belt pulley 30 through a belt 31;
the flat plate 32 is arranged at one end, far away from the second belt pulley 30, of the L-type rod 27, a sliding groove 33 is formed in the flat plate 32, a sliding block 34 is arranged in the sliding groove 33, and the sliding block 34 can slide in the sliding groove 33 in a reciprocating mode;
the sliding sleeve 35 is arranged below the flat plate 32, the sliding sleeve 35 is fixed on the outer wall of the air pipe 2, one end of a third guide rod 36 is hinged with the sliding block 34, and the other end of the third guide rod 36 penetrates through the sliding sleeve 35 and is connected with a second limiting block 38;
the third spring 39 is sleeved on the third guide rod 36, one end of the third spring 39 is connected with the second limiting block 38, and the other end of the third spring 39 is connected with the sliding sleeve 35;
a liquid storage tank 40 arranged in the groove body 22, wherein a cleaning liquid is arranged in the liquid storage tank 40, a liquid outlet pipe 41 is arranged on the liquid storage tank 40, a pressure pump is arranged on the liquid outlet pipe 41, one end of the liquid outlet pipe 41 is communicated with the liquid storage tank 40, and the other end of the liquid outlet pipe 41 penetrates through the wall surface of the air pipe 2 and extends to the fan blade 37;
one end of the sleeve 42 is communicated with the liquid outlet pipe 41, a sealing plug 43 is arranged at the other end of the sleeve 42, a moving rod 44 is arranged in the sleeve 42, the moving rod 44 is parallel to the third guide rod 36, one end of the moving rod 44 is connected with the sealing plug 43, the other end of the moving rod 44 extends out of the sleeve 42, and the moving rod 44 is connected with the third guide rod 36 through a third connecting rod 45.
The working principle and the beneficial technical effects of the technical scheme are that when the inner wall of the air pipe 2 needs to be cleaned, the motor 23 is started to drive the cam 24 to rotate, the cam 24 is meshed with the first gear 25 to drive the first gear 25 to rotate and swing along the arc-shaped groove 28, correspondingly, the first fan blade 37 swings around the arc-shaped groove 28 while rotating, the first gear 25 also drives the first belt pulley 48 to rotate through the transmission of the belt 31, the second belt pulley 30 drives the second belt pulley 30 to rotate, the second fan blade 49 rotates, the L-shaped rod 27 swings around the second rotating shaft 29 to drive the sliding block 34 to slide in the sliding groove 33 in a reciprocating mode to drive the third guide rod 36 to reciprocate up and down along the sliding sleeve 35, the third guide rod 36 drives the third connecting rod 45, the moving rod 44 and the sealing plug 43 to reciprocate up and down, when the liquid outlet pipe 41 moves up, the sealing plug 41 is sealed, the sealing plug 43 moves down, the liquid outlet pipe 41 is in a conducting state, when the first fan blade 37 swings up and moves to close to the liquid outlet 41, the liquid outlet pipe 41, when cleaning liquid is sprayed out, cleaning liquid is sprayed to the first cleaning device, the cleaning device can spray cleaning liquid on the inner wall, the cleaning device can spray cleaning liquid on the first fan blade 37, the cleaning device can greatly improve the cleaning device.
In one embodiment, the liquid storage tank 40 is provided with a liquid inlet pipe 46.
The working principle and the beneficial technical effects of the technical scheme are as follows: the inlet pipe 46 is used to replenish the new cleaning liquid.
In one embodiment, the inlet tube 46 is provided with a cover.
The working principle and the beneficial technical effects of the technical scheme are as follows: the lid seals the inlet tube 46 against the ingress of dust.
In one embodiment, the outer wall of the groove body 22 is provided with an opening, and the opening is provided with a cover plate 47.
The working principle and the beneficial technical effects of the technical scheme are as follows: the cover plate 47 is opened, and the parts in the groove body 22 can be replaced and repaired from the opening.
In one embodiment, the outlet pipe 41 is provided with a solenoid valve.
The working principle and the beneficial technical effects of the technical scheme are as follows: the electromagnetic valve is used for opening or closing the liquid outlet pipe 41, and when the liquid outlet pipe is not used, the electromagnetic valve can be closed to enable the liquid outlet pipe 41 to be closed for standby.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A low-nitrogen burner, comprising: fan (1), tuber pipe (2), the air outlet of fan (1) with tuber pipe (2) one end intercommunication, be provided with combustion chamber (3) in tuber pipe (2), the both ends of combustion chamber (3) are provided with a plurality of holes, be provided with gas diffusion tube (4) on tuber pipe (2) is close to the one end outer wall of fan (1), gas diffusion tube (4) one end is passed tuber pipe (2) wall to extend to in combustion chamber (3).
2. The low-nitrogen combustor according to claim 1, characterized in that the combustion chamber (3) is connected with the inner wall of the air pipe (2) through a first connecting rod (5), one end of the air pipe (2) far away from the fan (1) is provided with a stable combustion cover (6), one end of the combustion chamber (3) close to the stable combustion cover (6) is provided with a guide plate (7), one end of the guide plate (7) is connected with the outer wall of the combustion chamber (3), the other end of the guide plate (7) is connected with the inner wall of the air pipe (2), and the guide plate (7) is provided with a plurality of air outlets.
3. A low-nitrogen burner according to claim 2, characterized in that an automatic wind speed adjusting device is arranged between the inner wall of the wind pipe (2) and the outer wall of the combustion chamber (3), and comprises:
the cylinder (8) is arranged on the outer wall of the combustion chamber (3), the cylinder (8) extends along the length direction of the combustion chamber (3), a guide port (9) is arranged on the outer wall of the combustion chamber (3), the guide port (9) is communicated with the cylinder (8),
the first guide rod (10) is arranged in the cylinder body (8), one end of the first guide rod (10) is fixedly connected with the right side of the inner wall of the cylinder body (8), and the other end of the first guide rod (10) extends towards the left side of the inner wall of the cylinder body (8);
a first magnet (11) disposed on the first guide bar (10), the first magnet (11) being capable of reciprocating left and right along the first guide bar (10);
the first spring (12) is sleeved on the first guide rod (10), one end of the first spring (12) is fixedly connected with the right side of the inner wall of the cylinder body (8), and the other end of the first spring (12) is fixedly connected with the first magnet (11);
the wind shield (13) is arranged in the combustion chamber (3), one end of a second connecting rod (14) is connected with the wind shield (13), and the other end of the second connecting rod (14) penetrates through the guide port (9) to extend into the cylinder (8) and is connected with the first magnet (11);
one end of the second guide rod (15) is connected with the left end of the cylinder (8), the other end of the second guide rod (15) extends towards the guide plate (7), a second magnet (16) is arranged on the second guide rod (15), the second magnet (16) can reciprocate left and right along the second guide rod (15), and the magnetic poles of the first magnet (11) and the second magnet (16) are opposite;
the second spring (17) is sleeved on the second guide rod (15), one end of the second spring (17) is connected with the outer wall of the cylinder body (8), and the other end of the second spring (17) is connected with the second magnet (16);
one end of the air adjusting plate (18) is hinged with the outer wall of the combustion chamber (3) close to one end of the gas diffusion pipe (4), and the other end of the air adjusting plate (18) extends to a position between the outer wall of the cylinder (8) and the inner wall of the air pipe (2);
one end of the connecting rod (19) is hinged to the second magnet (16), and the other end of the connecting rod (19) is hinged to one end, far away from the combustion chamber (3), of the air adjusting plate (18).
4. A low-nitrogen burner as claimed in claim 3, characterized in that a first stopper (20) is provided at an end of the second guide rod (15) remote from the cylinder (8).
5. A low-nitrogen burner as claimed in claim 2, characterized in that the end of the gas diffusion tube (4) extending into the combustion chamber (3) is provided with a conical mouth (21).
6. A low-nitrogen burner as claimed in claim 2, further comprising a cleaning device, said cleaning device comprising:
the air pipe structure comprises a groove body (22) arranged on the outer wall of the air pipe (2), a motor (23) is arranged on the inner wall of the groove body (22), an output shaft of the motor (23) is connected with a cam (24), and teeth are arranged on the circumferential outer wall of the cam (24);
the first gear (25) is arranged on the first rotating shaft (26), a first belt pulley (48) is arranged on the first gear (25), the first gear (25) is coaxial with the first belt pulley (48), and the first gear (25) is meshed with the cam (24);
an L-shaped rod (27), wherein one end of the L-shaped rod (27) is rotatably connected with one end of a first rotating shaft (26), an arc-shaped groove (28) is formed in the outer wall of the air pipe (2), and the other end of the first rotating shaft (26) penetrates through the arc-shaped groove (28) to extend into the air pipe (2) and is connected with a first fan blade (37);
one end of the second rotating shaft (29) is rotatably connected with the inflection point of the L-shaped rod (27), and the other end of the second rotating shaft (29) penetrates through the wall surface of the air pipe (2) to extend into the air pipe (2) and is connected with a second fan blade (49);
the second belt pulley (30) is arranged on the second rotating shaft (29), the second belt pulley (30) is rotatably connected with the second rotating shaft (29), and the first belt pulley (48) is connected with the second belt pulley (30) through a belt (31);
the flat plate (32) is arranged at one end, away from the second belt pulley (30), of the L-shaped rod (27), a sliding groove (33) is formed in the flat plate (32), a sliding block (34) is arranged in the sliding groove (33), and the sliding block (34) can slide in the sliding groove (33) in a reciprocating mode;
the sliding sleeve (35) is arranged below the flat plate (32), the sliding sleeve (35) is fixed on the outer wall of the air pipe (2), one end of a third guide rod (36) is hinged with the sliding block (34), and the other end of the third guide rod (36) penetrates through the sliding sleeve (35) and is connected with a second limiting block (38);
the third spring (39) is sleeved on the third guide rod (36), one end of the third spring (39) is connected with the second limiting block (38), and the other end of the third spring (39) is connected with the sliding sleeve (35);
the liquid storage tank (40) is arranged in the groove body (22), cleaning liquid is arranged in the liquid storage tank (40), a liquid outlet pipe (41) is arranged on the liquid storage tank (40), a pressure pump is arranged on the liquid outlet pipe (41), one end of the liquid outlet pipe (41) is communicated with the liquid storage tank (40), and the other end of the liquid outlet pipe (41) penetrates through the wall surface of the air pipe (2) and extends to the fan blade (37);
the liquid discharging device comprises a sleeve (42), one end of the sleeve (42) is communicated with the liquid discharging pipe (41), a sealing plug (43) is arranged at the other end of the sleeve (42), a moving rod (44) is arranged in the sleeve (42), the moving rod (44) is parallel to the third guide rod (36), one end of the moving rod (44) is connected with the sealing plug (43), the other end of the moving rod (44) extends out of the sleeve (42), and the moving rod (44) is connected with the third guide rod (36) through a third connecting rod (45).
7. A low-nitrogen burner according to claim 6, characterized in that the liquid storage tank (40) is provided with a liquid inlet pipe (46).
8. A low-nitrogen burner as claimed in claim 7, wherein the liquid inlet pipe (46) is provided with a cover.
9. A low-nitrogen burner as claimed in claim 6, wherein the outer wall of the groove body (22) is provided with an opening, and the opening is provided with a cover plate (47).
10. A low-nitrogen burner as claimed in claim 6, wherein the outlet pipe (41) is provided with a solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010287003.3A CN111473330A (en) | 2020-04-13 | 2020-04-13 | Low-nitrogen burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010287003.3A CN111473330A (en) | 2020-04-13 | 2020-04-13 | Low-nitrogen burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111473330A true CN111473330A (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010287003.3A Pending CN111473330A (en) | 2020-04-13 | 2020-04-13 | Low-nitrogen burner |
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| Country | Link |
|---|---|
| CN (1) | CN111473330A (en) |
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| CN109654488A (en) * | 2018-11-27 | 2019-04-19 | 乔永 | A kind of combustion gas diffusion type low NO |
| CN210088852U (en) * | 2019-05-16 | 2020-02-18 | 浙江骐骥环境科技有限公司 | Combustion device |
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- 2020-04-13 CN CN202010287003.3A patent/CN111473330A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100784881B1 (en) * | 2006-11-03 | 2007-12-14 | 주식회사 수국 | Low nitrogen oxide burner |
| CN103697493A (en) * | 2013-12-31 | 2014-04-02 | 张家港格林沙洲锅炉有限公司 | Device for adjusting heavy oil flow and air quantity in heavy oil rotary-cup burner |
| CN105757726A (en) * | 2016-03-04 | 2016-07-13 | 王战勇 | Jet flame concealed ignition device and burner applying the same |
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Application publication date: 20200731 |