CN204141578U - A kind of burner and firing equipment - Google Patents
A kind of burner and firing equipment Download PDFInfo
- Publication number
- CN204141578U CN204141578U CN201420486287.9U CN201420486287U CN204141578U CN 204141578 U CN204141578 U CN 204141578U CN 201420486287 U CN201420486287 U CN 201420486287U CN 204141578 U CN204141578 U CN 204141578U
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- China
- Prior art keywords
- fuel
- burner
- shower nozzle
- nozzle
- refractory part
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Abstract
The utility model belongs to technical field of petrochemical industry, mainly provides a kind of burner and firing equipment, burner, comprises fuel delivery components and the inner refractory part (8) being provided with fire trough.The utility model also provides a kind of firing equipment comprising described burner.The feature of described burner is, described fuel delivery components is provided with the first shower nozzle and the second shower nozzle (6), by fuel dispersion also fractional combustion, thus reduce partial combustion intensity and flame temperature, simultaneously, the injection of described second shower nozzle (6) fuel makes the smoke backflow outside described fire trough, reduce combustion zone oxygen partial pressure, further reduction partial flame temperature, high-temperature region is avoided to concentrate, therefore, the utility model can effectively suppress thermal NO x to produce, and reduces NOx discharge.
Description
Technical field
The utility model relates to technical field of petrochemical industry, particularly relates to a kind of burner and firing equipment.
Background technology
In petroleum and chemical industry field, have many devices, as applied wall-attached burner in the heating furnace of coking plant, hydrogenation plant etc., flame attached wall upwards burns, for the medium in boiler tube provides heat.Pressure medium in the boiler tube of these heating furnaces is high, flow velocity fast, sometimes containing hydrogen, therefore requires that even flame distributes, and flameholding.At present, when applying existing burner, often produce too much thermal NO x because partial combustion temperature is too high, be unfavorable for environmental protection.
Utility model content
In view of this, the utility model provides a kind of burner and firing equipment, and this burner and firing equipment, meeting while flame combustion stablizes, is evenly distributed, effectively can reduce the generation of thermal NO x.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of burner, for being arranged on the firing equipment with burner hearth, comprising:
For being arranged on described burner hearth, and inside has the refractory part of fire trough, and described refractory part comprises flame export and air inlet, and described flame export is connected with described fire trough with described air inlet;
First shower nozzle, fuel sprays in described fire trough by described first shower nozzle;
Second shower nozzle, described second shower nozzle is positioned at described burner hearth, described refractory part is outside, and is sprayed to by fuel on the furnace wall near described flame export;
Fuel delivery components, described fuel delivery components is communicated with described second shower nozzle with described first shower nozzle.
Preferably, in said burner, described refractory part is provided with the inclined plane tilted to described flame export from described second shower nozzle.
Preferably, in said burner, described refractory part is provided with through hole, and described through hole is communicated with described burner hearth and described fire trough, and the port away from described fire trough of described through hole is arranged on the position corresponding with described first shower nozzle.
Preferably, in said burner, described through hole is obliquely installed to described flame export direction from described first shower nozzle.
Preferably, in said burner, described through hole is clear opening.
Preferably, in said burner, described fuel delivery components comprises fuel concetrated pipe and fuel nozzle;
Described fuel concetrated pipe is provided with the fuel inlet entered for fuel, and this fuel inlet is positioned at outside described burner hearth;
Described fuel nozzle is connected with described fuel concetrated pipe, and is communicated with described second shower nozzle with described first shower nozzle.
Preferably, in said burner, described second shower nozzle is arranged on the end away from described fuel concetrated pipe of described fuel nozzle.
Preferably, in said burner, described fuel nozzle quantity is 2 ~ 6.
Preferably, in said burner, when described fuel nozzle quantity is more than 2, described fuel nozzle is equidistantly arranged with row.
A kind of firing equipment, described firing equipment has the burner hearth be made up of furnace roof, furnace bottom and furnace wall, comprises burner, it is characterized in that, described burner is said burner;
The fuel delivery components of described burner is through described furnace bottom, and close described furnace wall;
Described refractory part is through described furnace bottom, and between described fuel delivery components and described furnace wall, the flame export of described refractory part is positioned at described burner hearth.
According to technique scheme, a kind of burner that the utility model provides, by arranging described first shower nozzle and described second shower nozzle on described fuel delivery components, can realize point two-stage for fuel.Part of fuel is sprayed by described first shower nozzle, and enter the burning of described fire trough through described through hole, this part fuel is one-level fuel; Another part fuel is sprayed by described second shower nozzle, and in described refractory part external firing, this part fuel is secondary fuel.Disperseed by fuel also fractional combustion can reduce partial combustion intensity and flame temperature, therefore the generation of thermal NO x can effectively be reduced, simultaneously, the injection of secondary fuel makes the smoke backflow outside described fire trough, further reduction partial flame temperature, reduce combustion zone oxygen partial pressure, thus the generation of thermal NO x can be reduced further.
Accompanying drawing explanation
Fig. 1 is the front view of a kind of burner of providing of the utility model and firing equipment;
Fig. 2 is the side view of a kind of burner of providing of the utility model and firing equipment.
Detailed description of the invention
For the ease of understanding, below in conjunction with accompanying drawing, the utility model will be further described.
See Fig. 1 and Fig. 2, the utility model embodiment one provides a kind of burner, for being arranged on the firing equipment with burner hearth, comprising:
For being arranged on burner hearth, and inside has the refractory part 8 of fire trough, and refractory part 8 comprises flame export and air inlet, and flame export is connected with fire trough with air inlet; Refractory part 8 is through furnace bottom 11, and near furnace wall 12 and between fuel delivery components (not shown) and furnace wall 12, the flame export of refractory part 8 is positioned at burner hearth, air inlet is communicated with cylindrical shell 4;
First shower nozzle (not shown), fuel sprays in fire trough by the first shower nozzle;
Second shower nozzle 6, second shower nozzle 6 is positioned at burner hearth, refractory part 8 is outside, and is sprayed to by fuel on the furnace wall near flame export;
Fuel delivery components, fuel delivery components is communicated with the second shower nozzle 6 with the first shower nozzle.
See Fig. 1 and Fig. 2, in order to realize the first shower nozzle, fuel is sprayed in fire trough, through hole 7 can be provided with on refractory part 8, through hole 7 is communicated with burner hearth and fire trough, the port away from fire trough of through hole 7 is arranged on the position corresponding with the first shower nozzle, and the fuel of the first shower nozzle ejection enters in fire trough through through hole 7.
See Fig. 1, in order to make the fuel of the first shower nozzle ejection easily enter fire trough and flameholding, through hole 7 can be set to the clear opening tilted to flame export direction from the first shower nozzle.
See Fig. 1 and Fig. 2, in order to be conducive on furnace wall that fuel to spray near flame export by the second shower nozzle 6, refractory part 8 is provided with the inclined plane tilted to flame export from the second shower nozzle 6.
See Fig. 1 and Fig. 2, in order to realize a charging, dispersion feed, fuel delivery components specifically can comprise fuel concetrated pipe 10 and fuel nozzle 9.Fuel concetrated pipe 10 is provided with the fuel inlet 5 entered for fuel, and fuel inlet 5 is positioned at outside burner hearth.Fuel nozzle 9 one end is connected with fuel concetrated pipe 10, and the other end extend in burner hearth through furnace bottom 11.Fuel nozzle 9 is communicated with the second shower nozzle 6 with the first shower nozzle.
See Fig. 1 and Fig. 2, fuel nozzle 9 is generally 2 ~ 6, embodiment one, middle employing 3 fuel nozzles 9, and equidistantly arranges with row, is conducive to uniform flame intensity, avoids high-temperature region to concentrate.
The utility model is by fuel dispersion also fractional combustion, partial combustion intensity and flame temperature can be reduced, therefore the generation of thermal NO x can effectively be reduced, simultaneously, the injection of secondary fuel makes the smoke backflow outside fire trough, further reduction partial flame temperature, reduces combustion zone oxygen partial pressure, thus can reduce the generation of thermal NO x further.Specific works principle is as follows:
See Fig. 1 and Fig. 2, the altar lamp 1 of burner stretches into bottom cylindrical shell 4, and the air inlet through refractory part 8 arrives fire trough.Cylindrical shell 4 side is provided with the air channel 2 be connected with cylindrical shell 4, is provided with ventilation butterfly valve 3 in air channel 2, for regulating intake.Wind enters from air channel 2 port, enters cylindrical shell 4 after ventilation butterfly valve 3, and the air inlet then through refractory part 8 arrives fire trough.Fuel enters fuel concetrated pipe 10 from fuel inlet 5, and then dispersion enters fuel nozzle 9, and part of fuel is sprayed by the first shower nozzle, and via through holes 7 enters fire trough smooth combustion, and this part fuel is one-level fuel; Another part fuel is sprayed by the second shower nozzle 6, and the inclined plane along refractory part 8 is burnt, and this part fuel is secondary fuel.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of embodiment, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to embodiment illustrated herein, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a burner, for being arranged on the firing equipment with burner hearth, is characterized in that, comprising:
For being arranged on described burner hearth, and inside has the refractory part (8) of fire trough, and described refractory part (8) comprises flame export and air inlet, and described flame export is connected with described fire trough with described air inlet;
First shower nozzle, fuel sprays in described fire trough by described first shower nozzle;
Second shower nozzle (6), described second shower nozzle (6) is positioned at described burner hearth, described refractory part (8) is outside, and is sprayed to by fuel on the furnace wall near described flame export;
Fuel delivery components, described fuel delivery components is communicated with described second shower nozzle (6) with described first shower nozzle.
2. burner according to claim 1, is characterized in that, described refractory part (8) is provided with the inclined plane tilted to described flame export from described second shower nozzle (6).
3. burner according to claim 1, it is characterized in that, described refractory part (8) is provided with through hole (7), described through hole (7) is communicated with described burner hearth and described fire trough, and the port away from described fire trough of described through hole (7) is arranged on the position corresponding with described first shower nozzle.
4. burner according to claim 3, is characterized in that, described through hole (7) is obliquely installed to described flame export direction from described first shower nozzle.
5. burner according to claim 4, is characterized in that, described through hole (7) is clear opening.
6. burner according to claim 1, is characterized in that, described fuel delivery components comprises fuel concetrated pipe (10) and fuel nozzle (9);
Described fuel concetrated pipe (10) is provided with the fuel inlet (5) entered for fuel, and this fuel inlet (5) is positioned at outside described burner hearth;
Described fuel nozzle (9) is connected with described fuel concetrated pipe (10), and is communicated with described second shower nozzle (6) with described first shower nozzle.
7. burner according to claim 6, is characterized in that, described second shower nozzle (6) is arranged on the end away from described fuel concetrated pipe (10) of described fuel nozzle (9).
8. burner according to claim 6, is characterized in that, described fuel nozzle (9) quantity is 2 ~ 6.
9. burner according to claim 6, is characterized in that, when described fuel nozzle (9) quantity is more than 2, described fuel nozzle (9) is equidistantly arranged with row.
10. a firing equipment, described firing equipment has the burner hearth be made up of furnace roof, furnace bottom (11) and furnace wall (12), and comprise burner, it is characterized in that, described burner is the burner as described in any one of claim 1-9;
The fuel delivery components of described burner is through described furnace bottom (11), and close described furnace wall (12);
Described refractory part (8) through described furnace bottom (11), and is positioned between described fuel delivery components and described furnace wall (12), and the flame export of described refractory part (8) is positioned at described burner hearth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420486287.9U CN204141578U (en) | 2014-08-27 | 2014-08-27 | A kind of burner and firing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420486287.9U CN204141578U (en) | 2014-08-27 | 2014-08-27 | A kind of burner and firing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204141578U true CN204141578U (en) | 2015-02-04 |
Family
ID=52418261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420486287.9U Ceased CN204141578U (en) | 2014-08-27 | 2014-08-27 | A kind of burner and firing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204141578U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595890A (en) * | 2015-02-05 | 2015-05-06 | 湖南吉祥石化科技股份有限公司 | Wall-attaching seamless flat-flame low nitrogen oxide emission burner |
| CN105240862A (en) * | 2015-09-17 | 2016-01-13 | 洛阳明远石化技术有限公司 | Waste gas burner |
| CN109073211A (en) * | 2016-03-11 | 2018-12-21 | 气体产品与化学公司 | Incinerator equipment and the method for burning |
-
2014
- 2014-08-27 CN CN201420486287.9U patent/CN204141578U/en not_active Ceased
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595890A (en) * | 2015-02-05 | 2015-05-06 | 湖南吉祥石化科技股份有限公司 | Wall-attaching seamless flat-flame low nitrogen oxide emission burner |
| CN105240862A (en) * | 2015-09-17 | 2016-01-13 | 洛阳明远石化技术有限公司 | Waste gas burner |
| CN105240862B (en) * | 2015-09-17 | 2017-06-13 | 洛阳明远石化技术有限公司 | A kind of gas flare |
| CN109073211A (en) * | 2016-03-11 | 2018-12-21 | 气体产品与化学公司 | Incinerator equipment and the method for burning |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20180919 Decision number of declaring invalidation: 37236 Granted publication date: 20150204 |