CN208222490U - Fractional combustion low NO - Google Patents
Fractional combustion low NO Download PDFInfo
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- CN208222490U CN208222490U CN201820781055.4U CN201820781055U CN208222490U CN 208222490 U CN208222490 U CN 208222490U CN 201820781055 U CN201820781055 U CN 201820781055U CN 208222490 U CN208222490 U CN 208222490U
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Abstract
A kind of fractional combustion low NO, it is related to technical field of burner, it includes burner body and combustion head shell, burner body one end is equipped with combustion head shell, burner body center is equipped with ignition channel, the inlet end of ignition channel is connect with main combustion gas inlet pipe, the outlet side of ignition channel is equipped with center fire air gun, successively air compartment and secondary air chamber are successively arranged outside ignition channel from the inside to the outside, burner body bottom is equipped with a wind inlet and secondary air inlet, and a wind inlet and secondary air inlet are connected to an air compartment and secondary air chamber respectively；The end of center fire air gun is covered with the First air distribution plate of taper；The outlet air end of secondary air chamber is equipped with Secondary Air cyclone；Ignition channel bottom end is equipped with combustion-supporting chamber, and combustion-supporting chamber passes through combustion-supporting air hose and First air inlet communication；The outlet side of combustion head shell is connect by reflux line with combustion-supporting chamber.This fractional combustion low NO energy conservation and environmental protection, high combustion efficiency, emission of nitrogen and oxygen compounds are low.
Description
Technical field
The utility model relates to technical field of burner, and in particular to fractional combustion low NO.
Background technique
Currently, countries in the world propose increasingly higher demands to NOx emission, for effectively control pollutant emission, country
Chinese Ministry of Environmental Protection has put into effect a series of Air Pollutant Emission new standards.The formation mechanism of NOx is more complicated, from research text both domestic and external
It is recognised that NOx is divided into three classes by the difference of formation mechanism in offering: heating power type, Quick-type and fuel type.The life of thermal NO x
At related with temperature.When T<1500 DEG C, the production quantity of thermal NO is seldom, and when T>1500 DEG C, T is every to increase by 100 DEG C,
Reaction rate increases 6-7 times.Quick-type NOx is that the CH that CH compound pyrolytic generates is free when CH class A fuel A overrich
Nitrogen reaction is further oxidized to NOx after generating HCN and N in base and air.Have in the generation of fuel type NOx and fuel containing N
It closes.
Therefore, it is necessary in existing technical foundation, R & D design one kind is reasonable in design, high combustion efficiency,
The low low nitrogen gas burner of NOx emission.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned the shortcomings of the prior art places, and it is low to provide fractional combustion
Nitrogen burner, its high combustion efficiency, NOx discharge is low, has reached energy-saving and environment-friendly purpose.
In order to solve the problems existing in background technology, the utility model is adopted the following technical scheme that including burner
Ontology and combustion head shell, burner body one end are equipped with combustion head shell, and burner body center is equipped with ignition channel, point
The inlet end in fiery channel is connect with main combustion gas inlet pipe, and the outlet side of ignition channel is equipped with center fire air gun, center fire air gun
It is located at burner body the same end with combustion head shell, ignition channel outer wall is cased with an air compartment, First air chamber outer wall one end
It is cased with secondary air chamber, burner body bottom is equipped with a wind inlet and secondary air inlet, a wind inlet and secondary air inlet
It is connected to respectively with an air compartment and secondary air chamber；The end of center fire air gun is covered with the First air distribution plate of taper, First air
Distribution plate is placed in First air room, and First air distribution plate is connect with the outlet air end of an air compartment；The outlet air end of secondary air chamber is equipped with
Secondary Air cyclone, Secondary Air cyclone centring ignition air gun；Ignition channel bottom end is equipped with combustion-supporting chamber, combustion-supporting chamber and main combustion
Gas inlet pipe is located at the same end, and combustion-supporting chamber is equipped with volume damper by combustion-supporting air hose and First air inlet communication, combustion-supporting air hose；
The outlet side of combustion head shell is connect by reflux line with combustion-supporting chamber, and reflux line is equipped with return valve.
The First air distribution plate disk is equipped with several different air outlets of pore size, air outlet centring
Ignition air gun.
Aerofoil regulating device is equipped in air compartment and secondary air chamber.
The utility model has the beneficial effects that safe and reliable, energy conservation and environmental protection:
1) air compartment and secondary air chamber fractional combustion are used, efficiency of combustion is improved；
2) air compartment and secondary air chamber fractional combustion used, so that oxynitrides full combustion, reduces nitrogen oxygen
The discharge amount of compound；
3) by reflux line, second-time burning is carried out to the oxynitrides of generation, not only reduces energy waste, and
Greatly reduce the discharge of oxynitrides；
4) it by combustion-supporting chamber, plays combustion-supporting, improves the effect of efficiency of combustion.
Detailed description of the invention:
Fig. 1 is the utility model structure diagram.
Specific embodiment:
Referring to Fig.1, the utility model is specifically using being implemented as follows mode: including burner body 1 and combustion head shell 7,
1 one end of burner body be equipped with combustion head shell 7,1 center of burner body be equipped with ignition channel 16, ignition channel 16 into
Gas end is connect with main combustion gas inlet pipe 15, and the outlet side of ignition channel 16 is equipped with center fire air gun 6, center fire air gun 6 and combustion
It burns head shell 7 and is located at 1 the same end of burner body, 16 outer wall of ignition channel is cased with an air compartment 2, a 2 outer wall one end of air compartment
Portion is cased with secondary air chamber 3, and 1 bottom of burner body is equipped with a wind inlet 10 and secondary air inlet 9, a wind inlet 10 and two
Secondary wind inlet 9 is connected to an air compartment 2 and secondary air chamber 3 respectively；The end of center fire air gun 6 is covered with the First air point of taper
With disk 5, First air distribution plate 5 is placed in an air compartment 2, and First air distribution plate 5 is connect with the outlet air end of an air compartment 2；It is secondary
The outlet air end of air compartment 3 is equipped with Secondary Air cyclone 4,4 centring ignition air gun 6 of Secondary Air cyclone；16 bottom end of ignition channel
Equipped with combustion-supporting chamber 14, combustion-supporting chamber 14 and main combustion gas inlet pipe 15 are located at the same end, and combustion-supporting chamber 14 passes through combustion-supporting air hose 11 and First air
Import 10 is connected to, and combustion-supporting air hose 11 is equipped with volume damper 12；The outlet side of combustion head shell 7 passes through reflux line 8 and helps
It fires room 14 to connect, reflux line 8 is equipped with return valve 13.5 disk of First air distribution plate is equipped with pore size
Several different air outlets, air outlet centring ignition air gun 6.Wind is equipped in air compartment 2 and secondary air chamber 3
Plate regulating device.
When in use, 7 front end of combustion head shell is placed in burner hearth for this burner, and main combustion gas inlet pipe 15 is ignition channel 16
Fuel is provided, then is lighted by center fire air gun 6, center fire air gun 6 is the center air gun in fuel staging, is used for
Flame of centre is generated, ensure burner body 1 stablizes burning, and plays the stable purpose of flame of centre.
In combustion, air is entered in an air compartment 2 by a wind inlet 10, is then gone out by an air compartment 2
The First air distribution plate 5 in air port is blown out, and 5 disk of First air distribution plate is equipped with several air outlets, the aperture of each air outlet
Of different sizes, First air is divided into multistage, with different levels penetrating by First air distribution plate 5, and the combustion gas with center fire air gun 6 mixes
It closes, First air distribution plate 5 is in a taper cover, this design structure can guarantee the stabilization in flame of centre region, and have
Cyclonic action plays the role of being sufficiently mixed with combustion gas and stablizes combustion flame；Air is entered secondary by secondary air inlet 9
In air compartment 3, sprayed by the Secondary Air cyclone 4 of 3 air outlet of secondary air chamber, wind is divided into multistage by Secondary Air cyclone 4, once
Wind is direct current wind, and Secondary Air is then Whirl deposite tank, so that wind is sufficiently mixed and burns with combustion gas, improves efficiency of combustion.
It by First air and Secondary Air, enters the wind twice, increases air capacity, the temperature in flame of centre region can be reduced afterwards,
Therefore the generation of oxynitrides (NOx) is reduced；The combination of Secondary Air, realizes bias combustion, thereby reduces nitrogen oxidation
Close the generation of object (NOx).
When burning, volume damper 12 is opened, so that the First air in an air compartment 2 enters in combustion-supporting chamber 14, combustion-supporting chamber
14 are connected to ignition channel 16, play increase amount of oxygen, increase the contact area of combustion gas and oxygen, and auxiliary combustion makes to fire
Material quickly sufficiently reaction, can effectively control ignition temperature, reduce the generation of oxynitrides (NOx), while cooperate one
Secondary direct current wind and swirl flow wind can reach burning completely, the effect that oxynitrides (NOx) substantially reduces, environmental protection and energy saving
By force.
Return valve 13 is opened, a small amount of oxynitrides (NOx) generated after burning enters combustion-supporting by reflux line 8
It is sufficiently mixed in room 14 with First air (air), subsequently into second-time burning is carried out in ignition channel 16, so that oxynitrides
(NOx) full combustion, not only reduces the discharge of oxynitrides (NOx), and makes full use of oxynitrides (NOx), reaches
Energy saving purpose has been arrived, the discharge of oxynitrides (NOx) is finally reduced, has reduced exhaust emissions caused by environment
Pollution.
Return valve 13 and volume damper 12 can be opened and closed according to actual needs, and be adjusted by reflux
Section valve 13 and volume damper 12 adjust the regurgitant volume of oxynitrides (NOx) and the inlet of air respectively, easy to operate, side
Just quick.
In conclusion this fractional combustion low NO is safe and reliable, energy conservation and environmental protection, using an air compartment 2 and Secondary Air
3 fractional combustion of room, improves efficiency of combustion；Use 3 fractional combustion of an air compartment 2 and secondary air chamber, as oxynitrides
Full combustion reduces the discharge amount of oxynitrides；By reflux line 8, secondary combustion is carried out to the oxynitrides of generation
It burns, not only reduces energy waste, and greatly reduce the discharge of oxynitrides；By combustion-supporting chamber 14, play it is combustion-supporting,
Improve the effect of efficiency of combustion.
Claims (3)
1. a kind of fractional combustion low NO, including burner body (1) and combustion head shell (7), burner body (1) one
End is equipped with combustion head shell (7), it is characterised in that: burner body (1) center is equipped with ignition channel (16), ignition channel
(16) inlet end is connect with main combustion gas inlet pipe (15), and the outlet side of ignition channel (16) is equipped with center fire air gun (6), center
Ignition air gun (6) and combustion head shell (7) are located at burner body (1) the same end, and ignition channel (16) outer wall is cased with First air
Room (2), one time air compartment (2) outer wall one end is cased with secondary air chamber (3), and burner body (1) bottom is equipped with a wind inlet
(10) and secondary air inlet (9), a wind inlet (10) and secondary air inlet (9) respectively with an air compartment (2) and secondary air chamber
(3) it is connected to；The end of center fire air gun (6) is covered with the First air distribution plate (5) of taper, and First air distribution plate (5) is placed in one
In secondary air compartment (2), First air distribution plate (5) is connect with the outlet air end of an air compartment (2)；The outlet air end of secondary air chamber (3) is equipped with
Secondary Air cyclone (4), Secondary Air cyclone (4) centring ignition air gun (6)；Ignition channel (16) bottom end is equipped with combustion-supporting chamber
(14), combustion-supporting chamber (14) and main combustion gas inlet pipe (15) are located at the same end, and combustion-supporting chamber (14) passes through combustion-supporting air hose (11) and First air
Import (10) connection, combustion-supporting air hose (11) are equipped with volume damper (12)；The outlet side of combustion head shell (7) passes through return pipe
Road (8) is connect with combustion-supporting chamber (14), and reflux line (8) is equipped with return valve (13).
2. fractional combustion low NO according to claim 1, it is characterised in that: the First air distribution plate (5)
Disk is equipped with several different air outlets of pore size, air outlet centring ignition air gun (6).
3. fractional combustion low NO according to claim 1, it is characterised in that: an air compartment (2) and two
Aerofoil regulating device is equipped in secondary air compartment (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820781055.4U CN208222490U (en) | 2018-05-24 | 2018-05-24 | Fractional combustion low NO |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820781055.4U CN208222490U (en) | 2018-05-24 | 2018-05-24 | Fractional combustion low NO |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208222490U true CN208222490U (en) | 2018-12-11 |
Family
ID=64506385
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820781055.4U Active CN208222490U (en) | 2018-05-24 | 2018-05-24 | Fractional combustion low NO |
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| CN (1) | CN208222490U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486714A (en) * | 2019-09-18 | 2019-11-22 | 江苏河海新能源股份有限公司 | Plasma low nitrogen combustion apparatus |
-
2018
- 2018-05-24 CN CN201820781055.4U patent/CN208222490U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486714A (en) * | 2019-09-18 | 2019-11-22 | 江苏河海新能源股份有限公司 | Plasma low nitrogen combustion apparatus |
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