CN108800111A - A kind of energy-efficient low nitrogen combustion apparatus of boiler - Google Patents
A kind of energy-efficient low nitrogen combustion apparatus of boiler Download PDFInfo
- Publication number
- CN108800111A CN108800111A CN201810464314.5A CN201810464314A CN108800111A CN 108800111 A CN108800111 A CN 108800111A CN 201810464314 A CN201810464314 A CN 201810464314A CN 108800111 A CN108800111 A CN 108800111A
- Authority
- CN
- China
- Prior art keywords
- burner hearth
- blast pipe
- energy
- air inlet
- low nitrogen
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C7/00—Combustion apparatus characterised by arrangements for air supply
- F23C7/02—Disposition of air supply not passing through burner
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention discloses a kind of energy-efficient low nitrogen combustion apparatus of boiler, including burner hearth, the burner hearth left end is import, right end is outlet, once air inlet is arranged in the burner hearth left part side, the burner hearth right part is provided with cyclone plate, it is provided with several secondary air inlets on the right side of the cyclone plate, air inlet is connected by the first blast pipe with the first wind turbine, used second blast pipe of the secondary air inlet is connected with the second wind turbine, generally, the present invention has simple in structure, reasonable design, it can effectively solve the problem that the insufficient problem of fuel combustion, effectively improve fuel availability, improve the stability of boiler operatiopn, reduce the generation of nitrogen carrier of oxygen, has the advantages that high use value.
Description
Technical field
The invention belongs to generating equipment technical fields, are related to a kind of burner, especially a kind of energy-efficient low nitrogen combustion
Burn device.
Background technology
NOx is a kind of important component of atmosphere pollution, and one of an important factor for initiation haze and acid rain, combustion
Oxynitrides is will produce during burning, the flue gas emitted after burning is unable to reach the discharge standard of national atmosphere pollution,
Cause certain atmosphere pollution.It is also increasingly stringent for the limitation of NOx discharge now with the continuous improvement of environmental requirement,
Fuel in existing boiler-burner often due to undercompounding and lead to part incomplete combustion, it is dirty to form oxynitrides
Air is contaminated, later regulation is difficult, and treatment cost is high, cannot satisfy the use demand.
Invention content
The purpose of the present invention is to provide a kind of energy-efficient low nitrogen combustion apparatus of boiler, simple in structure, reasonable design,
It can effectively solve the problem that the insufficient problem of fuel combustion, effectively improve fuel availability, improve the stability of boiler operatiopn, reduce
The generation of nitrogen carrier of oxygen has high use value.
The object of the present invention is achieved like this：A kind of boiler energy-efficient low nitrogen combustion apparatus, including burner hearth, it is described
Burner hearth left end be import, right end is outlet, burner hearth left part side setting once air inlet, the burner hearth right part
Be provided with cyclone plate, be provided with several secondary air inlets on the right side of the cyclone plate, described air inlet by first into
Air hose is connected with the first wind turbine, and used second blast pipe of the secondary air inlet is connected with the second wind turbine, in the burner hearth
It is provided with wall with refractory lining, refracto.
The cyclone plate is the arc panel of rotation.
It is provided with air distribution plate in first blast pipe.
It forms an angle between second blast pipe and burner hearth.
It is provided with wall with refractory lining, refracto on the outside of the burner hearth.
The beneficial effect comprise that：A kind of energy-efficient low nitrogen combustion apparatus of boiler, is mainly made of burner hearth,
Burner hearth left end is import, right end is outlet, and fuel carries out single-stage combustion after the entrance of burner hearth left end, and burner hearth left part side is provided with
Air inlet, the air blown out in an air inlet is mixed with fuel carries out primary combustion, while under the action of the wind to the right
End movement, burner hearth right part are provided with cyclone plate, the air-flow in burner hearth are made to be rotated, and improve mixed effect, and cyclone plate is rotation
Arc panel, the arc panel of rotation effectively improves the rotates effe of air-flow, several secondary air inlets is provided on the right side of cyclone plate, into
Row twice aeration improves combustion efficiency, while changing flow rotation rule using secondary air, and air-flow is made further to be mixed
It closes, improves fuel economy, full combustion of fuel, an air inlet is made to be connected with the first wind turbine by the first blast pipe, lead to
It is that air inlet conveys air to cross wind turbine, is provided with air distribution plate in the first blast pipe, the gas blown out out of first blast pipe is made to revolve
Turn, improves blowing force and mixed effect, used second blast pipe of secondary air inlet are connected with the second wind turbine, the second wind turbine passes through second
Blast pipe is to provide air in burner hearth, forms an angle, facilitates according to combustion case pair second between the second blast pipe and burner hearth
Angle between blast pipe and burner hearth is adjusted, and can be improved the gas interior mixed effect with fuel of burner hearth again, be made in burner hearth
Temperature uniformity in right end combustion zone, improves the stability of boiler operatiopn, at the same make the sufficient material gas of burning quickly to
Furnace outlet moves, and avoids screen excess temperature overtemperature at furnace outlet, and wall with refractory lining, refracto is provided in burner hearth, is provided on the outside of thorax and defends combustion
Band, setting wall with refractory lining, refracto can effectively reduce furnace wall cooling caloric receptivity, improve reheating temperature, slagging in burner hearth is effectively avoided to add
It is acute.
Generally, the present invention has simple in structure, reasonable design, can effectively solve the problem that the insufficient problem of fuel combustion,
Fuel availability is effectively improved, the stability of boiler operatiopn is improved, reduces the generation of nitrogen carrier of oxygen, there is high use value
The advantages of.
Description of the drawings
Fig. 1 is the main structure diagram of the present invention.
In figure：1, burner hearth 2, import 3, outlet 4, air inlets 5, cyclone plate 6, secondary air inlet 7, first into
Air hose 8, the first wind turbine 9, the second blast pipe 10, the second wind turbine 11, wall with refractory lining, refracto.
Specific implementation mode
Below in conjunction with the accompanying drawings to the embodiment of the present invention further instruction.
Embodiment 1
As shown in Fig. 1, the energy-efficient low nitrogen combustion apparatus of a kind of boiler, including burner hearth 1,1 left end of burner hearth be into
Mouth 2, right end are outlet 3, and once air inlet 4,1 right part of burner hearth are provided with rotation for the 1 left part side of burner hearth setting
Aerofoil 5,5 right side of cyclone plate are provided with several secondary air inlets 6, and described one time air inlet 4 passes through the first blast pipe 7
It is connected with the first wind turbine 8,6 used second blast pipe 9 of secondary air inlet is connected with the second wind turbine 10, the burner hearth 1
Inside it is provided with wall with refractory lining, refracto 11.
The cyclone plate 5 is the arc panel of rotation.
It is provided with air distribution plate in first blast pipe 7.
It forms an angle between second blast pipe 9 and burner hearth 1.
1 outside of burner hearth is provided with wall with refractory lining, refracto 11.
The present invention is when in use：A kind of energy-efficient low nitrogen combustion apparatus of boiler, is mainly made of burner hearth, burner hearth left end
It is outlet for import, right end, fuel carries out single-stage combustion after the entrance of burner hearth left end, and the setting of burner hearth left part side is once entered the wind
Mouthful, the air blown out in an air inlet is mixed with fuel carries out primary combustion, while being moved under the action of the wind to right end, stove
Thorax right part is provided with cyclone plate, and the air-flow in burner hearth is made to be rotated, and improves mixed effect, and cyclone plate is the arc panel of rotation,
The arc panel of rotation effectively improves the rotates effe of air-flow, and several secondary air inlets are provided on the right side of cyclone plate, carries out secondary logical
Wind improves combustion efficiency, while changing flow rotation rule using secondary air, so that air-flow is further mixed, improves combustion
Fuel economy makes full combustion of fuel, an air inlet be connected with the first wind turbine by the first blast pipe, by wind turbine be into
Air port conveys air, and air distribution plate is provided in the first blast pipe, makes the gas rotating blown out out of first blast pipe, improves blowing force
And mixed effect, used second blast pipe of secondary air inlet are connected with the second wind turbine, the second wind turbine is stove by the second blast pipe
Air is provided in thorax, is formed an angle between the second blast pipe and burner hearth, is facilitated according to the second blast pipe of combustion case pair and stove
Angle between thorax is adjusted, and can be improved the gas interior mixed effect with fuel of burner hearth again, be made right end combustion zone in burner hearth
Interior temperature uniformity, improves the stability of boiler operatiopn, while the sufficient material gas of burning being made quickly to be moved to furnace outlet
It is dynamic, screen excess temperature overtemperature at furnace outlet is avoided, wall with refractory lining, refracto is provided in burner hearth, wall with refractory lining, refracto is provided on the outside of thorax, combustion is defended in setting
Band can effectively reduce furnace wall cooling caloric receptivity, improve reheating temperature, and slagging in burner hearth is effectively avoided to aggravate.
Generally, the present invention has simple in structure, reasonable design, can effectively solve the problem that the insufficient problem of fuel combustion,
Fuel availability is effectively improved, the stability of boiler operatiopn is improved, reduces the generation of nitrogen carrier of oxygen, there is high use value
The advantages of.
Claims (5)
1. a kind of boiler energy-efficient low nitrogen combustion apparatus, including burner hearth, it is characterised in that：The burner hearth left end be into
Mouth, right end are outlet, and once air inlet, the burner hearth right part are provided with cyclone plate for burner hearth left part side setting,
Several secondary air inlets are provided on the right side of the cyclone plate, described one time air inlet passes through the first blast pipe and the first wind turbine
It is connected, used second blast pipe of the secondary air inlet is connected with the second wind turbine, and wall with refractory lining, refracto is provided in the burner hearth.
2. a kind of energy-efficient low nitrogen combustion apparatus of boiler according to claim 1, it is characterised in that：The whirlwind
Plate is the arc panel of rotation.
3. a kind of energy-efficient low nitrogen combustion apparatus of boiler according to claim 1, it is characterised in that：Described first
Air distribution plate is provided in blast pipe.
4. a kind of energy-efficient low nitrogen combustion apparatus of boiler according to claim 1, it is characterised in that：Described second
It forms an angle between blast pipe and burner hearth.
5. a kind of energy-efficient low nitrogen combustion apparatus of boiler according to claim 1, it is characterised in that：The burner hearth
Outside is provided with wall with refractory lining, refracto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810464314.5A CN108800111A (en) | 2018-05-15 | 2018-05-15 | A kind of energy-efficient low nitrogen combustion apparatus of boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810464314.5A CN108800111A (en) | 2018-05-15 | 2018-05-15 | A kind of energy-efficient low nitrogen combustion apparatus of boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108800111A true CN108800111A (en) | 2018-11-13 |
Family
ID=64092380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810464314.5A Pending CN108800111A (en) | 2018-05-15 | 2018-05-15 | A kind of energy-efficient low nitrogen combustion apparatus of boiler |
Country Status (1)
| Country | Link |
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| CN (1) | CN108800111A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113530862A (en) * | 2021-06-25 | 2021-10-22 | 华能八〇三热电有限公司 | Cooling device for power station boiler fan |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2596208Y (en) * | 2002-12-31 | 2003-12-31 | 江西南方环保机械制造总公司 | Water cooling and sanitary burning belt combined high pressure stereo air blowing garbage incinerator |
| CN2807015Y (en) * | 2005-07-23 | 2006-08-16 | 李星和 | Plasma hot reflux burner capable of stable combustion |
| US20130319299A1 (en) * | 2012-05-29 | 2013-12-05 | Hitachi, Ltd. | Boiler |
| CN105972588A (en) * | 2016-07-14 | 2016-09-28 | 西安交通大学 | High temperature flue gas extracting pre-burning type low NOx burner |
| CN206803143U (en) * | 2017-05-22 | 2017-12-26 | 北京醇能科技有限公司 | A kind of low boiling fuel-staged combustion device and its system |
| CN107726314A (en) * | 2017-09-25 | 2018-02-23 | 江苏河海新能源股份有限公司 | A kind of low nitrogen combustion apparatus |
-
2018
- 2018-05-15 CN CN201810464314.5A patent/CN108800111A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2596208Y (en) * | 2002-12-31 | 2003-12-31 | 江西南方环保机械制造总公司 | Water cooling and sanitary burning belt combined high pressure stereo air blowing garbage incinerator |
| CN2807015Y (en) * | 2005-07-23 | 2006-08-16 | 李星和 | Plasma hot reflux burner capable of stable combustion |
| US20130319299A1 (en) * | 2012-05-29 | 2013-12-05 | Hitachi, Ltd. | Boiler |
| CN105972588A (en) * | 2016-07-14 | 2016-09-28 | 西安交通大学 | High temperature flue gas extracting pre-burning type low NOx burner |
| CN206803143U (en) * | 2017-05-22 | 2017-12-26 | 北京醇能科技有限公司 | A kind of low boiling fuel-staged combustion device and its system |
| CN107726314A (en) * | 2017-09-25 | 2018-02-23 | 江苏河海新能源股份有限公司 | A kind of low nitrogen combustion apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113530862A (en) * | 2021-06-25 | 2021-10-22 | 华能八〇三热电有限公司 | Cooling device for power station boiler fan |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181113 |
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| RJ01 | Rejection of invention patent application after publication |