CN212805636U - Low-nitrogen burner with gap for reducing nitrogen oxide - Google Patents
Low-nitrogen burner with gap for reducing nitrogen oxide Download PDFInfo
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- CN212805636U CN212805636U CN202021653608.1U CN202021653608U CN212805636U CN 212805636 U CN212805636 U CN 212805636U CN 202021653608 U CN202021653608 U CN 202021653608U CN 212805636 U CN212805636 U CN 212805636U
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Abstract
The utility model relates to a combustor equipment technical field specifically is a reduce low nitrogen burner in band gap of nitrogen oxide, the inside of an installation section of thick bamboo is provided with fixed section of thick bamboo, and the external fixation of an installation section of thick bamboo is provided with the gas case, the air inlet has been seted up to the upper end of gas case, and the inside bottom of gas case still installs main gas-supply pipe and supplementary gas-supply pipe, the front end of main gas-supply pipe and supplementary gas-supply pipe is provided with supplementary gas storage bin, central nozzle and supplementary shower nozzle are still installed to the front end of supplementary gas storage bin, fixed section of thick bamboo one end fixed mounting has the gas head, and the protection network is installed to the other end of fixed section of thick bamboo. The utility model discloses simple structure, modern design can realize through central nozzle, supplementary shower nozzle and air-blower that the gas fully burns and combustion state is stable, take place the probability reduction of tempering and taking off a fire, effectual reduction nitrogen oxide's emission.
Description
Technical Field
The utility model relates to a combustor equipment technical field specifically is a low NOx burner in band gap that reduces nitrogen oxide.
Background
The burner is a device for ejecting fuel and air in a certain mode to mix and burn, and is divided into industrial burners, civil burners and special burners according to types and application fields, and is made of corrosion-resistant and high-temperature-resistant materials such as stainless steel or metallic titanium, and the like. The common gap burner in atomic absorption spectroscopy generates atomic steam, and the length and width of the burner gap are different according to the different types of fuel gas and combustion-supporting gas.
However, nitrogen oxides generated in the combustion process of the existing combustion apparatus are a main factor causing environmental pollution, the level of the generated nitrogen oxides becomes an important index for measuring the combustion performance of the combustor, and the combustion product nitrogen oxides are harmful to the environment and human bodies, so the emission of the nitrogen oxides needs to be controlled, and therefore, a person skilled in the art provides a low-nitrogen combustor with a gap for reducing the nitrogen oxides to solve the problems proposed in the background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reduce nitrogen oxide's low NOx burner in band gap to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a reduce nitrogen oxide's low nitrogen combustor in band gap, includes an installation section of thick bamboo, the inside of an installation section of thick bamboo is provided with fixed section of thick bamboo, and the external fixation of an installation section of thick bamboo is provided with the gas case, the air inlet has been seted up to the upper end of gas case, and the inside bottom of gas case still installs main gas-supply pipe and supplementary gas-supply pipe, the front end of main gas-supply pipe and supplementary gas-supply pipe is provided with supplementary gas storage bin, central nozzle and supplementary shower nozzle are still installed to the front end of supplementary gas storage bin, fixed section of thick bamboo one end fixed mounting has the gas head, and the protection network is installed to.
As a further aspect of the present invention: a fan box is installed on the inner side of the protective net, and an air blower is installed inside the fan box.
As a further aspect of the present invention: the gas burner comprises a shell embedded into the fixed cylinder, a first rotational flow impeller matched with the central nozzle is arranged in the middle of the shell, a second rotational flow impeller matched with the auxiliary nozzle is further installed on the shell, and a heat dissipation groove is formed between every two adjacent second rotational flow impellers.
As a further aspect of the present invention: the inner diameter of the central nozzle is 2cm, and the inner diameter of the auxiliary spray head is 1 cm.
As a further aspect of the present invention: the auxiliary spray heads are six in number, and the six auxiliary spray heads are uniformly arranged around the central nozzle at equal intervals.
As a further aspect of the present invention: igniters are arranged on the central nozzle and the auxiliary spray head.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure, modern design can realize through central nozzle, supplementary shower nozzle and air-blower that the gas fully burns and combustion state is stable, take place the probability reduction of tempering and taking off a fire, effectual reduction nitrogen oxide's emission.
Drawings
FIG. 1 is a schematic view of a low NOx gapped combustor for reducing NOx;
FIG. 2 is a schematic view of the internal structure of a low NOx gapped combustor for reducing NOx;
FIG. 3 is a schematic diagram of a gas head in a low NOx gapped combustor for reducing NOx.
In the figure: 1. mounting the cylinder; 2. a fixed cylinder; 3. a gas tank; 4. a gas head; 41. a housing; 42. a first swirl impeller; 43. a second swirl impeller; 44. a heat sink; 5. a protective net; 6. an air inlet; 7. a main gas delivery pipe; 8. an auxiliary gas delivery pipe; 9. a gas storage bin; 10. a central nozzle; 11. a blower; 12. an auxiliary spray head; 13. a fan box.
Detailed Description
Referring to fig. 1 to 3, in the embodiment of the present invention, a low nitrogen burner with gap for reducing nitrogen oxide comprises an installation cylinder 1, a fixed cylinder 2 is disposed inside the installation cylinder 1, a gas tank 3 is fixedly disposed outside the installation cylinder 1, an air inlet 6 is disposed at the upper end of the gas tank 3, a main gas pipe 7 and an auxiliary gas pipe 8 are further mounted at the inner bottom end of the gas tank 3, an auxiliary gas storage chamber 9 is disposed at the front end of the main gas pipe 7 and the auxiliary gas pipe 8, a central nozzle 10 and an auxiliary nozzle 12 are further mounted at the front end of the auxiliary gas storage chamber 9, a gas head 4 is fixedly mounted at one end of the fixed cylinder 2, a protective screen 5 is mounted at the other end of the fixed cylinder 2, the gas pipe can be externally connected through the air inlet 6, and gas can be input into the present invention, so that the gas pipe enters the gas tank 3, the gas in the gas tank 3 can enter the auxiliary gas storage chamber 9 through the main gas pipe 7 and the, the gas in the auxiliary gas storage bin 9 can be combusted more uniformly and stably by controlling the central nozzle 10 and the auxiliary spray head 12.
In fig. 2, fan case 13 is installed to the inboard of protection network 5, and the internally mounted of fan case 13 has air-blower 11, promotes the air flow through air-blower 11, and gas combustion with higher speed, and can also be right the utility model discloses cool down, avoid producing local high temperature zone, reduce nitrogen oxide's emission.
In fig. 3, the gas burner 4 includes a housing 41 embedded in the fixed cylinder 2, a first swirl impeller 42 adapted to the central nozzle 10 is disposed at the middle position of the housing 41, and a second swirl impeller 43 adapted to the auxiliary nozzle 12 is further mounted on the housing 41, a heat dissipation groove 44 is disposed between two adjacent second swirl impellers 43, the heat dissipation groove 44 helps to generate backflow in the combustion process, suck back part of combustion flue gas, mix the sucked flue gas, reduce the concentration of oxygen, form dispersed combustion, slow down the combustion reaction, reduce the flame temperature, distribute the combustion temperature uniformly, reduce the emission of nitrogen oxides, cut the air flowing into the housing 41 through the first impeller 42 and the second swirl impeller 43 and generate a rotating airflow, allow the gas to be more fully mixed with the air around the central nozzle 10 and the auxiliary nozzle 12, enhance the flow and allow the combustion to be more rapid and stable, the probability of backfire and misfiring is reduced.
In fig. 2 and 3, the inner diameter of the central nozzle 10 is 2cm, the inner diameter of the auxiliary nozzle 12 is 1cm, and the gas in the auxiliary gas storage bin 9 can be combusted more uniformly and stably by controlling the central nozzle 10 and the auxiliary nozzle 12.
In fig. 2 and 3, the number of the auxiliary nozzles 12 is six, and the six auxiliary nozzles 12 are uniformly arranged around the central nozzle 10 at equal intervals, so that the combustion of the gas in the auxiliary gas storage bin 9 is more uniform and stable by controlling the central nozzle 10 and the auxiliary nozzles 12.
In fig. 2, igniters are provided on both the center nozzle 10 and the auxiliary cup 12 to assist ignition of the gas in the center nozzle 10 and the auxiliary cup 12.
The utility model discloses a theory of operation is: the utility model has simple structure and novel design, can be externally connected with a gas pipe through an air inlet 6, inputs gas into the gas box 3, can enter the gas in the gas box 3 into an auxiliary gas storage bin 9 through a main gas pipe 7 and an auxiliary gas pipe 8, facilitates the gas combustion in the auxiliary gas storage bin 9 to be more uniform and stable through a control center nozzle 10 and an auxiliary spray head 12, promotes air flow through an air blower 11, accelerates the gas combustion, and can also cool the utility model, avoid generating a local high temperature area, reduce the emission of nitrogen oxide, help to generate backflow in the combustion process through a heat dissipation groove 44, suck back partial combustion flue gas, roll up the sucked-back flue gas mixed fuel, reduce the concentration of oxygen, form dispersed combustion, slow down the combustion reaction, reduce the flame temperature, and uniformly distribute the combustion temperature, the emission of nitrogen oxides is reduced, the air flowing into the shell 41 is cut and generates rotating airflow through the first rotational flow impeller 42 and the second rotational flow impeller 43, so that the gas is fully mixed with the air around the central nozzle 10 and the auxiliary nozzle 12, the flowing is enhanced, the combustion is more rapid and stable, and the probability of backfire and misfire is reduced.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a reduce nitrogen oxide's low nitrogen combustor in band gap, is including an installation section of thick bamboo (1), its characterized in that, the inside of an installation section of thick bamboo (1) is provided with solid fixed cylinder (2), and the external fixation of an installation section of thick bamboo (1) is provided with gas case (3), air inlet (6) have been seted up to the upper end of gas case (3), and the inside bottom of gas case (3) still installs main gas-supply pipe (7) and supplementary gas-supply pipe (8), the front end of main gas-supply pipe (7) and supplementary gas-supply pipe (8) is provided with supplementary gas storage bin (9), central nozzle (10) and supplementary shower nozzle (12) are still installed to the front end of supplementary gas storage bin (9), gu fixed cylinder (2) one end fixed mounting has gas head (4), and the other end of solid fixed cylinder (2) installs protection network (5).
2. The low-nitrogen burner with the gap for reducing nitrogen oxides as claimed in claim 1, wherein a fan box (13) is installed inside the protective net (5), and a blower (11) is installed inside the fan box (13).
3. The low-nitrogen burner with the gap for reducing the nitrogen oxide according to claim 1, wherein the gas head (4) comprises a housing (41) embedded in the fixed cylinder (2), a first swirl impeller (42) adapted to the central nozzle (10) is arranged in the middle of the housing (41), a second swirl impeller (43) adapted to the auxiliary nozzle (12) is further mounted on the housing (41), and a heat dissipation groove (44) is formed between two adjacent second swirl impellers (43).
4. A reduced nitrogen oxide gapped low nitrogen burner according to claim 1, wherein the inner diameter of the central nozzle (10) is 2cm and the inner diameter of the auxiliary nozzle tip (12) is 1 cm.
5. A reduced nox gapped low nox burner according to claim 1, wherein the number of the auxiliary lances (12) is six, and the six auxiliary lances (12) are uniformly spaced around the central nozzle (10).
6. A low-nitrogen burner with gap for reducing nitrogen oxides as claimed in claim 1, characterized in that the igniter is provided on both the central nozzle (10) and the auxiliary nozzle (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021653608.1U CN212805636U (en) | 2020-08-11 | 2020-08-11 | Low-nitrogen burner with gap for reducing nitrogen oxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021653608.1U CN212805636U (en) | 2020-08-11 | 2020-08-11 | Low-nitrogen burner with gap for reducing nitrogen oxide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212805636U true CN212805636U (en) | 2021-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021653608.1U Active CN212805636U (en) | 2020-08-11 | 2020-08-11 | Low-nitrogen burner with gap for reducing nitrogen oxide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212805636U (en) |
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2020
- 2020-08-11 CN CN202021653608.1U patent/CN212805636U/en active Active
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