CN213713059U - Low-nitrogen-emission combustor - Google Patents
Low-nitrogen-emission combustor Download PDFInfo
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- CN213713059U CN213713059U CN202022640776.3U CN202022640776U CN213713059U CN 213713059 U CN213713059 U CN 213713059U CN 202022640776 U CN202022640776 U CN 202022640776U CN 213713059 U CN213713059 U CN 213713059U
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Abstract
The utility model relates to the technical field of combustion equipment, in particular to a burner with low nitrogen emission, which comprises a burner body, a fan and a gas conveying device, wherein the fan and the gas conveying device are respectively connected with the burner body, an igniter is arranged in the burner body, the burner also comprises a flue gas reflux device and an oxygen adding device, the burner body is provided with a smoke exhaust pipe and an air inlet hole, the flue gas reflux device is respectively connected with the smoke exhaust pipe and the fan, the air inlet hole is connected with the oxygen adding device, the fan is provided with an air inlet and an air outlet, the air inlet is provided with an adjusting air valve, the utility model has simple structure and reasonable design, the air inlet amount and the combustion oxygen amount can be adjusted for the returned flue gas and the conveyed gas by arranging the oxygen adding device and the adjusting air valve, and the pollution caused by insufficient combustion is reduced, thereby reducing the formation and emission of pollutants.
Description
Technical Field
The utility model relates to a combustion apparatus technical field especially relates to a combustor of low nitrogen emission.
Background
The low-nitrogen combustion is an environment-friendly combustion technology, and in order to meet the requirements of environment-friendly development, the low-nitrogen combustion technology is vigorously researched and developed in recent years, the low-nitrogen combustion is carried out by various means, such as controlling the ratio of fuel to combustion air, the combustion temperature and a staged combustion technology, carriers of the technologies are all realized on a combustor, the structural design of the existing combustor is generally complex in order to realize the low-nitrogen combustion, the manufacturing, installation and maintenance costs are increased, and the probability of faults occurring in the use process of the combustor is increased due to the complexity.
In view of the above, there is a need for a new low-nitrogen-emission combustion engine to better solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a combustor of low nitrogen emission, its simple structure, reasonable in design effectively reduces combustion pollution.
The utility model adopts the technical proposal that:
the utility model provides a combustor of low nitrogen emission, includes combustor body, fan and gas conveyor, the fan with gas conveyor respectively with this body coupling of combustor, this internal some firearm that is equipped with of combustor, still include flue gas reflux unit and oxygenation device, the combustor body is equipped with the pipe and the inlet port of discharging fume, flue gas reflux unit respectively with the pipe of discharging fume with the fan is connected, the inlet port with oxygenation device connects, the fan is equipped with air intake and air outlet, the air intake is equipped with the regulation blast gate.
The technical scheme is further improved in that a gas premixing chamber is arranged in the combustor body, and the air outlet, the gas conveying device and the oxygen adding device are connected with the gas premixing chamber through pipelines respectively.
The technical scheme is further improved in that the gas premixing chamber is provided with a gas supply port, the gas supply port is provided with an air distribution plate, and the igniter is arranged close to the air distribution plate.
The further improvement of the technical scheme is that the smoke exhaust pipe is connected with a drain pipe, and the inner wall of the smoke exhaust pipe is provided with a diversion trench.
The technical scheme is further improved in that the flue gas reflux device is provided with a bag-type dust remover, and the bag-type dust remover is respectively communicated with the smoke exhaust pipe and the fan.
The technical proposal is further improved in that the oxygenation device is provided with an electric control valve.
The utility model has the advantages as follows:
the utility model discloses a combustor body, fan and gas conveyor, the fan with gas conveyor respectively with this body coupling of combustor, this internal some firearm that is equipped with of combustor still includes flue gas reflux unit and oxygenation device, the combustor body is equipped with exhaust pipe and inlet port, flue gas reflux unit respectively with exhaust pipe with the fan is connected, the inlet port with the oxygenation device is connected, the fan is equipped with air intake and air outlet, the air intake is equipped with the regulation blast gate, the utility model discloses simple structure, reasonable in design through setting up oxygenation device and regulation blast gate, can carry out air input and combustion oxygen volume to the flue gas of backward flow and adjust, reduces the not enough pollution that causes of burning to reduce the formation and the emission of pollutant.
Drawings
Fig. 1 is a schematic structural view of the present invention;
description of reference numerals: 1. the device comprises a burner body, a fan 2, a flue gas reflux device 3, a bag-type dust collector 31, an oxygen adding device 4, a smoke exhaust pipe 5, a gas premixing chamber 6 and a water discharge pipe 7.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, the low nitrogen emission burner of this embodiment includes a burner body 1, a fan 2 and a gas conveying device, the fan 2 and the gas conveying device are respectively connected to the burner body 1, an igniter is disposed in the burner body 1, a flue gas recirculation device 3 and an oxygen adding device 4 are further included, the burner body 1 is provided with a smoke exhaust pipe 5 and an air inlet hole, the flue gas recirculation device 3 is respectively connected to the smoke exhaust pipe 5 and the fan 2, the air inlet hole is connected to the oxygen adding device 4, the fan 2 is provided with an air inlet and an air outlet, the air inlet is provided with an air adjusting valve, the low nitrogen emission burner has a simple structure and a reasonable design, and by providing the oxygen adding device 4 and the air adjusting valve, the air inlet amount and the combustion oxygen amount can be adjusted for the recirculated flue gas and the conveyed gas, so as to reduce the pollution caused by insufficient combustion, thereby reducing the formation and emission of pollutants.
In some embodiments, be equipped with gas in the combustor body 1 and mix the room 6 in advance, the air outlet the gas conveyor with add oxygen device 4 respectively through the pipeline with gas mixes the room 6 in advance and connects, in this embodiment, through setting up gas and mix room 6 in advance, can be with backflow gas, the gas of carrying and the oxygen of adding, after the misce bene, burn again, make backflow gas can carry out abundant burning, effectively avoid the pollution that the burning is insufficient to the formation and the emission of reduction pollutant.
In some optional embodiments, the gas premixing chamber 6 is provided with a gas inlet, the gas inlet is provided with a wind distribution plate, and the igniter is disposed close to the wind distribution plate, which is mainly configured to achieve more uniform gas supply to the igniter, so as to avoid unstable combustion process and influence on combustion effect due to uneven gas supply.
In some concrete examples, the discharge pipe 5 is connected with the drain pipe 7, the discharge pipe inner wall is equipped with the guiding gutter, and the setting of this embodiment can be through the guiding gutter, the drop of water that the 5 inner walls of discharge pipe refluxes, the water conservancy diversion back, directly discharges through the drain pipe 7, avoids steam to bring into other subassemblies, causes the influence to other subassemblies, its simple structure, reasonable in design, the practicality is good.
In other specific examples, flue gas reflux unit 3 is equipped with sack cleaner 31, sack cleaner 31 respectively with discharge fume 5 with 2 intercommunications of fan through setting up sack cleaner 31, can carry out fine filtration to the tiny dust in the backward flow flue gas, avoid the dust in the backward flow flue gas to get into follow-up subassembly, cause the combustion interference, its simple structure, dust removal effect is good, convenient to use.
In other optional embodiments, the oxygenation device 4 is provided with an electric control valve, in this embodiment, the electric control valve is arranged, so that oxygenation can be performed according to the oxygen demand, and the oxygenation device is simple in structure, easy to control and convenient to use.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. The utility model provides a combustor of low nitrogen emission, includes combustor body, fan and gas conveyor, the fan with gas conveyor respectively with this body coupling of combustor, this internal some firearm that is equipped with of combustor, its characterized in that still includes flue gas reflux unit and oxygenation device, the combustor body is equipped with the pipe and the inlet port of discharging fume, flue gas reflux unit respectively with the pipe of discharging fume with the fan is connected, the inlet port with oxygenation device connects, the fan is equipped with air intake and air outlet, the air intake is equipped with the governing blast gate.
2. The low-nitrogen-emission combustor according to claim 1, wherein a gas premixing chamber is arranged in the combustor body, and the air outlet, the gas delivery device and the oxygenation device are respectively connected with the gas premixing chamber through pipelines.
3. The low-nitrogen-emission combustion engine as claimed in claim 2, wherein the gas premixing chamber is provided with a gas inlet, the gas inlet is provided with a wind distribution plate, and the igniter is disposed near the wind distribution plate.
4. The low-nitrogen-emission combustion engine according to claim 1, wherein the smoke exhaust pipe is connected with a water discharge pipe, and the inner wall of the smoke exhaust pipe is provided with a diversion trench.
5. The low-nitrogen-emission combustor according to claim 1, wherein the flue gas reflux device is provided with a bag-type dust collector, and the bag-type dust collector is respectively communicated with the smoke exhaust pipe and the fan.
6. A low nitrogen emissions burner as set forth in claim 1, wherein said oxygenation device is provided with electrically controlled valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022640776.3U CN213713059U (en) | 2020-11-16 | 2020-11-16 | Low-nitrogen-emission combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022640776.3U CN213713059U (en) | 2020-11-16 | 2020-11-16 | Low-nitrogen-emission combustor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213713059U true CN213713059U (en) | 2021-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022640776.3U Active CN213713059U (en) | 2020-11-16 | 2020-11-16 | Low-nitrogen-emission combustor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213713059U (en) |
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2020
- 2020-11-16 CN CN202022640776.3U patent/CN213713059U/en active Active
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