CN210921383U

CN210921383U - Burner for reducing nitrogen oxide after gas combustion

Info

Publication number: CN210921383U
Application number: CN201921670109.0U
Authority: CN
Inventors: 周建二; 周元生; 徐绍春
Original assignee: WUHU MINGCHENG FURNACE INDUSTRY CO LTD
Current assignee: WUHU MINGCHENG FURNACE INDUSTRY CO LTD
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-07-03
Anticipated expiration: 2029-10-08

Abstract

The utility model discloses a reduce nitrogen oxide's combustor behind gas combustion, including the fuel pipe, bolt fixedly connected with apron is passed through to the one end of fuel pipe, the top of fuel pipe is provided with the medium fuel interface, the other end fixedly connected with feeding impeller of fuel pipe, the inside of fuel pipe is run through there is the circulation flue gas pipe, the other end fixedly connected with plenum of circulation flue gas pipe, the one end that the outside of fuel pipe is close to feeding impeller is provided with the second wind channel, the outside in second wind channel is provided with first wind channel, the plenum switches on with first wind channel and second wind channel through first pipe and second pipe respectively, feeding impeller is close to and is first burner port, the opposite side of first burner port is the second burner port. The utility model discloses in, reform transform combustor inner structure and spinning disk rotation angle, lengthened the postcombustion distance, reduce nitrogen oxide's emission.

Description

Burner for reducing nitrogen oxide after gas combustion

Technical Field

The utility model relates to a combustor field especially relates to a reduce nitrogen oxide's combustor after gas combustion.

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.

At present, the component indexes of the tail gas discharged outside after the solid fuel or the gas fuel is combusted are proposed in China (or worldwide), and as the components of any fuel contain combustible components, such as carbon, hydrogen and combustible compounds, the combustible components and the combustible components need to react with oxygen ions in the combustion process to generate non-reburnable gas, and then the gas is discharged into the atmosphere. After some gas is absorbed by people, the gas can cause great damage to the human body and even die; some cause pollution to soil and water quality; therefore, the flue gas after combustion needs to be treated by dust removal, desulfurization, denitration and the like. Wherein, the process of denitration is to remove nitrogen oxides in flue gas or dust. Nitric acid, nitrous acid and acidic compounds are generated after the nitric oxide meets water, and the products can damage soil, deteriorate water and the like, so that great harm is directly or indirectly generated to the health of animals, plants and human beings.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a burner for reducing nitrogen oxide after gas combustion.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a burner for reducing nitrogen oxides after combustion of gas comprises a fuel pipe, wherein one end of the fuel pipe is fixedly connected with a cover plate through a bolt, a medium fuel interface is arranged above the fuel pipe, the other end of the fuel pipe is fixedly connected with a feeding impeller, a circulating flue gas pipe penetrates through the fuel pipe, the other end of the circulating flue gas pipe is fixedly connected with a wind chamber, one end, close to the feeding impeller, of the outer side of the fuel pipe is provided with a second wind channel, the other end of the circulating flue gas pipe is fixedly connected with the wind chamber, the wind chamber is fixedly connected to the outer wall of a first wind channel, the wind chamber is respectively communicated with the first wind channel and the second wind channel through the first pipe and the second pipe, one side of the wind chamber is provided with an auxiliary pipe, the other end of the auxiliary pipe is arranged on one side of the feeding impeller, a first combustion port is arranged close to the feeding impeller, and, the first combustion port and the second combustion port are both located in the combustion chamber.

As a further description of the above technical solution:

an air inlet pipe is fixedly connected to the air chamber at the same side of the circulating flue gas pipe, and an air blower is fixedly connected to the other end of the air inlet pipe.

As a further description of the above technical solution:

and a second cyclone device is arranged at the position, close to the feeding impeller, of the second air duct, and a first cyclone device is arranged at the position, close to the second cyclone device, of the first air duct.

As a further description of the above technical solution:

the inside of first pipe is provided with first air door, the inside of second pipe is provided with the second air door.

As a further description of the above technical solution:

the lower extreme fixedly connected with support of combustion chamber, one side of support is provided with pressure sensor, the upper end of support is the boiler.

As a further description of the above technical solution:

the boiler is characterized in that a temperature sensor is arranged in the middle of one side of the boiler, an infrared sensor is arranged on the upper portion of the other side of the boiler, and a buzzer is arranged below the infrared sensor of the boiler.

As a further description of the above technical solution:

the model SCB-1N of the pressure sensor.

As a further description of the above technical solution:

the model WRM-101 of the temperature sensor, the model D203S of the infrared sensor and the model KMB-N8012 of the buzzer.

The utility model discloses following beneficial effect has:

1. the utility model discloses, adopt first burner port and second burner port can fully burn, the burning is complete, and combustion efficiency exceeds 93%, and the flame temperature is more than 1200 degrees, and is smokeless, tasteless, no harmful gas produces, and this combustor is applicable to and uses on the 200 tons of boilers, detects the exhaust flue gas after the burning, and nitrogen oxide obviously reduces, reaches national emission standard.

2. The utility model discloses, whether infrared sensor detects someone before the device operation, if unmanned heater is out of work, the water yield in the stove is judged to pressure sensor conveying boiler's quality, if the water yield is not enough then bee calling organ work, temperature sensor detects the temperature of the water in the stove and whether reaches the setting value, if reach the heater out of work, otherwise work realizes automated control, easy operation reduces work load.

Drawings

Fig. 1 is a schematic view of a burner for reducing nitrogen oxides after combustion of gas according to the present invention;

FIG. 2 is a schematic view of a boiler with a burner for reducing nitrogen oxides after combustion of gas according to the present invention;

fig. 3 is a schematic control flow diagram of the burner for reducing nitrogen oxides after gas combustion according to the present invention.

Illustration of the drawings:

1. a fuel tube; 2. a cover plate; 3. a media fuel interface; 4. a circulating flue gas pipe; 5. a blower; 6. an air inlet pipe; 7. an air chamber; 8. a first tube; 9. a second damper; 10. a second tube; 11. a second damper; 12. an auxiliary tube; 13. a second combustion port; 14. a first combustion port; 15. a first cyclone device; 16. A second cyclone device; 17. a feeding impeller; 18. a second air duct; 19. a first air duct; 20. a bolt; 21. a buzzer; 22. a pressure sensor; 23. a support; 24. a combustion chamber; 25. a boiler; 26. a temperature sensor; 27. an infrared sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a burner for reducing nitrogen oxide after gas combustion comprises a fuel pipe 1, one end of the fuel pipe 1 is fixedly connected with a cover plate 2 through a bolt 20, a medium fuel interface 3 is arranged above the fuel pipe 1, the other end of the fuel pipe 1 is fixedly connected with a feeding impeller 17, the rigid feeding impeller 17 is arranged to thoroughly avoid the phenomena of backfire, particle crushing and transmission mechanism blocking of a burner, a circulating flue gas pipe 4 penetrates through the interior of the fuel pipe 1, the other end of the circulating flue gas pipe 4 is fixedly connected with an air chamber 7, one end of the outer side of the fuel pipe 1 close to the feeding impeller 17 is provided with a second air channel 18, the outer side of the second air channel 18 is provided with a first air channel 19, the air chamber 7 is fixedly connected with the outer wall of the first air channel 19, the air chamber 7 is respectively communicated with the first air channel 19 and the second air channel 18 through a first pipe 8 and a second pipe, the other end of the auxiliary pipe 12 is arranged on one side of the feeding impeller 17, a first combustion port 14 is arranged near the feeding impeller 17, a second combustion port 13 is arranged on the other side of the first combustion port 14, the first combustion port 14 and the second combustion port 13 are both arranged in the combustion chamber 24, and the combustor utilizes circulating air to cool the outside of the high-temperature chamber, obtains hot air to blow into the high-temperature chamber for combustion supporting, increases the temperature of the high-temperature chamber, and saves the fuel cost.

An air inlet pipe 6 is fixedly connected with the air chamber 7 at the same side of the circulating flue gas pipe 4, the other end of the air inlet pipe 6 is fixedly connected with an air blower 5, a second cyclone device 16 is arranged at a position, close to a feeding impeller 17, of a second air duct 18, a first cyclone device 15 is arranged at a position, close to the second cyclone device 16, of a first air duct 19, a first air door 9 is arranged inside the first pipe 8, a second air door 11 is arranged inside the second pipe 10, a support 23 is fixedly connected with the lower end of a combustion chamber 24, a pressure sensor 22 is arranged at one side of the support 23, a boiler 25 is arranged at the upper end of the support 23, a temperature sensor 26 is arranged in the middle of one side of the boiler 25, an infrared sensor 27 is arranged at the upper part of the other side of the boiler 25, a buzzer 21 is arranged below the infrared sensor 27 of the boiler 25, the model SCB-1N of the pressure, the buzzer 21 is of the type KMB-N8012.

The working principle is as follows: referring to fig. 3 for explaining the embodiment of the present case, when the present invention is used, the infrared sensor 27 detects whether there is a person before the operation of the apparatus, if the unmanned heater does not work, the pressure sensor 22 transmits the quality of the boiler 25 to determine the amount of water in the boiler, if the amount of water is insufficient, the buzzer 21 works, the temperature sensor 26 detects whether the temperature of the water in the boiler reaches a set value, if the temperature reaches the set value, the heater does not work, otherwise, the temperature reaches the set value, the heater does not work, the automatic control is realized, the operation is simple, the workload is reduced, the burner in fig. 1 is arranged in the heater, and the burner can be applied to other aspects, the burner adopts the first combustion port 14 and the second combustion port 13 to fully burn, the burning is complete, the burning efficiency exceeds 93%, the flame temperature is over 1200 degrees, no smoke, no odor and no harmful, the detection of the discharged flue gas after combustion obviously reduces the nitrogen oxides, and reaches the national emission standard.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A combustor for reducing nitrogen oxides after combustion of gas comprises a fuel pipe (1), and is characterized in that: one end of the fuel pipe (1) is fixedly connected with a cover plate (2) through a bolt (20), a medium fuel interface (3) is arranged above the fuel pipe (1), the other end of the fuel pipe (1) is fixedly connected with a feeding impeller (17), a circulating flue gas pipe (4) penetrates through the fuel pipe (1), the other end of the circulating flue gas pipe (4) is fixedly connected with an air chamber (7), one end, close to the feeding impeller (17), of the outer side of the fuel pipe (1) is provided with a second air channel (18), a first air channel (19) is arranged on the outer side of the second air channel (18), the air chamber (7) is fixedly connected to the outer wall of the first air channel (19), the air chamber (7) is communicated with the first air channel (19) and the second air channel (18) through a first pipe (8) and a second pipe (10) respectively, one side of the air chamber (7) is provided with an auxiliary pipe (12), the other end of the auxiliary pipe (12) is arranged on one side of the feeding impeller (17), a first combustion port (14) is arranged close to the feeding impeller (17), a second combustion port (13) is arranged on the other side of the first combustion port (14), and the first combustion port (14) and the second combustion port (13) are both arranged in the combustion chamber (24).

2. The burner for reducing nitrogen oxides after combustion of gas as claimed in claim 1, wherein: an air inlet pipe (6) is fixedly connected to the air chamber (7) on the same side of the circulating flue gas pipe (4), and an air blower (5) is fixedly connected to the other end of the air inlet pipe (6).

3. The burner for reducing nitrogen oxides after combustion of gas as claimed in claim 1, wherein: the second air duct (18) is provided with a second cyclone device (16) close to the feeding impeller (17), and the first air duct (19) is provided with a first cyclone device (15) close to the second cyclone device (16).

4. The burner for reducing nitrogen oxides after combustion of gas as claimed in claim 1, wherein: a first air door (9) is arranged inside the first pipe (8), and a second air door (11) is arranged inside the second pipe (10).

5. The burner for reducing nitrogen oxides after combustion of gas as claimed in claim 1, wherein: the lower extreme fixedly connected with support (23) of combustion chamber (24), one side of support (23) is provided with pressure sensor (22), the upper end of support (23) is boiler (25).

6. The burner for reducing nitrogen oxides after combustion of gas as claimed in claim 5, wherein: the boiler is characterized in that a temperature sensor (26) is arranged in the middle of one side of the boiler (25), an infrared sensor (27) is arranged on the upper portion of the other side of the boiler (25), and a buzzer (21) is arranged below the infrared sensor (27) of the boiler (25).

7. The burner for reducing nitrogen oxides after combustion of gas as claimed in claim 5, wherein: the pressure sensor (22) has a model SCB-1N.

8. The burner for reducing nitrogen oxides after combustion of gas as claimed in claim 6, wherein: the model WRM-101 of the temperature sensor (26), the model D203S of the infrared sensor (27) and the model KMB-N8012 of the buzzer (21).