CN205842669U - A kind of low NOx oil and gas combination burner - Google Patents
A kind of low NOx oil and gas combination burner Download PDFInfo
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- CN205842669U CN205842669U CN201620763068.XU CN201620763068U CN205842669U CN 205842669 U CN205842669 U CN 205842669U CN 201620763068 U CN201620763068 U CN 201620763068U CN 205842669 U CN205842669 U CN 205842669U
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- fire pot
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Abstract
The utility model discloses a kind of low NOx oil and gas combination burner, be made up of brazier brick, main body, tune wind butterfly valve, regulator, altar lamp, oil gas associating rifle and auxiliary air gun, described brazier brick is divided into large and small fire pot, big fire pot to be positioned at the top of little fire pot；Described oil gas associating rifle includes that center air gun and oil gun, center air gun are hollow sleeve tubular type air gun, and the shower nozzle of center air gun is provided with primary fuel spray orifice, and oil gun is inserted in also clamping in the air gun inner sleeve of center；Auxiliary air gun uses the structure of gas bag band branch gun barrel, and auxiliary shower nozzle is provided with secondary fuel spray orifice.This utility model passes through classification and the air classification of burner, the segmentation of fuel gas；The air of classification and combustion gas mixing, reach the purpose of strengthening mixing；Sectional combustion reduces combustion flame surface temperature, has controlled the generation of NOx in flue gas, has reached the purpose of oil and gas combination burner low NOx drainage.
Description
Technical field
This utility model relates to a kind of low NOx oil and gas combination burner, belong to the energy-conservation of petroleum refining industry heating furnace with
Environmental protection technology.
Background technology
According to the regulation of State Environmental Protection Administration, domestic petroleum refining industry is newly-built with existing enterprise's Furnace respectively certainly
Play execution " petroleum refining industry pollutant emission standard " (GB35710-2015) rule on July 1st, 2015 and on July 1st, 2017
Fixed Air Pollutant Emission limit value, in its discharge flue gas, NOx concentration limit value is 150mg/m3, more than 850 DEG C fire box temperature rows
Put NOx concentration in flue gas and perform 180mg/m3Limit value, NOx concentration in the discharge flue gas that the area that territorial development density is higher performs
Limit value is 100mg/m3.Understand according to market information, the low NO that in the refining industry of current domestic petroleum, Furnace usesxOil gas
Combined combustion device, meets while burning operating mode due also to oil firing working condition requirement to be met, and the burner structure used is subject to
Limiting, the corresponding discharge burning gas operating mode and oil firing operating mode is difficult to reach requirement, therefore as equipment vendors for pursuing technological progress,
Develop a kind of low NOx oil and gas combination burner and meet New emission standard requirement, substitute as original low NOx oil and gas combination burner
Product is necessary, and market prospect will be the most wide.
Summary of the invention
The purpose of this utility model is to be improved for defect present in background technology and problem and innovate, it is provided that one
Kind it is adapted to that standpipe is vertical or cylindrical furnace and the similar type of furnace use, being adapted to hot-air forced ventilation and cold air leads to naturally
Character and conduct makees operating mode, utilizes flue gas waste heat recovery condition, can stably burn, reach under the complex environment such as fuel pressure, change of component
To energy-efficient low NOXThe oil and gas combination burner of fume emission purpose.
The technical solution adopted in the utility model is: a kind of low NOx oil and gas combination burner, it is characterised in that: by fire pot
Brick, main body, tune wind butterfly valve, regulator, altar lamp, oil gas associating rifle and auxiliary air gun composition, described brazier brick is divided into big and small fire
Basin, big fire pot is positioned at the top of little fire pot, and little brazier brick is tube structure, its quirk entrance flue, and upper inside wall becomes cone
Face；Big brazier brick is divided into inner ring, outer ring, and inner ring is tube structure, and its quirk entrance becomes cylinder, outer ring to be positioned at greatly with quirk top
Outside fire pot in solid circle；Described oil gas associating rifle includes that center air gun and oil gun, center air gun are hollow sleeve tubular type air gun, central gas
The shower nozzle of rifle is provided with primary fuel spray orifice, and oil gun is inserted in also clamping in the air gun inner sleeve of center；Auxiliary air gun uses gas bag band to divide
Propping up the structure of gun barrel, auxiliary shower nozzle is provided with secondary fuel spray orifice.
Described primary fuel spray orifice and burner are that axial angle is arranged.
Described secondary fuel spray orifice and burner are axial angle and radially being in tilted layout of angle.
Described auxiliary shower nozzle is by locking nut and branch's gun barrel locking.
This utility model achieves the classification of fuel gas by central gas gun sprayer, auxiliary shower nozzle；By big brazier brick and
Little brazier brick and greatly brazier brick outer ring and inner ring, it is achieved that the air classification of burner, segmentation；The air of classification mixes with combustion gas
Close, reach the purpose of strengthening mixing；Sectional combustion reduces combustion flame surface temperature, has controlled the generation of NOx in flue gas, has reached
Purpose to oil and gas combination burner low NOx drainage.
Accompanying drawing explanation
Fig. 1 is structure chart of the present utility model；
Fig. 2 is the structure chart of main body；
Fig. 3 is the structure chart of oil gas associating rifle；
Fig. 4 is the structure chart of auxiliary air gun；
In figure, 1 big brazier brick；2 little fire pot；3 main bodys；4 adjust wind butterfly valve；5 regulators；6 altar lamps；7 center air guns；8 is auxiliary
Help air gun；The outer Gu Quan of the big fire pot of 3-1；3-2 mounting flange；3-3 big fire pot inner seat plate；3-4 fire pot supporting rib；Outside 3-5 main body
Cylinder；3-6 main body inner core；3-7 main body liner；3-8 little fire pot seat board；3-9 little fire pot Gu Quan；3-10 upper spacer；3-11 median septum；
3-12 base plate；3-13 altar lamp sleeve pipe；3-14 fire hole；3-15 auxiliary holster pipe；7-1 oil gun；7-2 center air gun；The auxiliary spray of 8-1
Head；8-2 locking nut；8-3 branch gun barrel；8-4 gas bag；8-5 gas joint.
Detailed description of the invention
The utility model is described in further detail with detailed description of the invention below in conjunction with the accompanying drawings.
Knowable to Fig. 1, Fig. 2, a kind of low NOx oil and gas combination burner of this utility model, by brazier brick, main body 3, adjust wind butterfly
Valve 4, regulator 5, altar lamp 6, oil gas associating rifle 7 and auxiliary air gun 8 form.Brazier brick is divided into large and small fire pot, little brazier brick 2
Being positioned on the little fire pot seat board 3-18 of main body 3, the quirk entrance flue of little brazier brick 2, upper inside wall becomes the conical surface, entrance and
Band enlarging reducing between inwall；Big brazier brick 1 split becomes inside and outside circle two parts, and inner ring is that quirk entrance becomes cylinder with quirk top,
Band enlarging reducing between entrance and inwall, outer ring is positioned on the mounting flange 3-2 admittedly enclosing 3-1 outside big fire pot, and regulator 5 is fixed on
On main body base plate 3-12, oil gas associating rifle 7 is inserted in the sleeve pipe of regulator, and auxiliary air gun is arranged on main body base plate 3-12, long
Bright lamp 6 is inserted in altar lamp sleeve pipe 3-13, uses portable electronic fire rod or artificial torch to light.
As can be seen from Figure 3, oil gas associating rifle 7 includes center air gun 7-2 and oil gun 7-1, and center air gun is hollow sleeve tubular type gas
Rifle, the shower nozzle of center air gun is provided with primary fuel spray orifice, and shower nozzle is tightly connected with internal and external casing by screw thread or welding, and oil gun is inserted
Also clamping in the air gun inner sleeve of center, oil gun nozzle uses internal-mixing steam atomization nozzle.As can be seen from Figure 4, auxiliary air gun 8 is adopted
By the structure of gas bag 8-4 band branch gun barrel 8-3, branch's gun barrel is generally 4 or more than 4, and auxiliary shower nozzle 8-1 is provided with two grades of combustions
Material spray orifice, is locked by locking nut 8-2 and branch gun barrel 8-3.
When this utility model is installed, being fixed on body of heater by main body 3-2 flange, altar lamp 6 uses portable electronic point
Lighted torch or artificial torch are lighted.First light altar lamp, then by altar lamp point gas gun or the two-stage sparking mode of oil combustion gun, be suitable for
In hot-air forced ventilation and cold air gravity-flow ventilation operating condition, mix operating mode, fuel pressure at single fire gas condition, single fire oil or oil gas
Under the complex environment such as power, change of component, can stably burn, reach NO efficient, energy-conservation, lowXDisposal of pollutants and the ring of low noise
Protect purpose.
During this utility model runs, combustion air preheats through device high-temperature flue gas waste heat recovery, and hot-air enters adjusts wind
Butterfly valve, according to payload, adjusts wind Handle of butterfly valve to control total blast volume by operation, and hot-air enters burner body inner chamber, logical
Excessive brazier brick 1 inner ring and little brazier brick 2 and big brazier brick outer ring and inner ring, it is achieved that the air classification of burner, force one wind
Account for the 80% of total blast volume, supplied with endoporus by big brazier brick 1 inner ring, little brazier brick 2 gap, according to the order of supply, force one wind
Be also divided into first and second give wind, be First air by the air feed of little brazier brick 2 endoporus, by big brazier brick 1 inner ring, little brazier brick 2
The air feed in gap is secondary wind, and light breeze accounts for the 20% of total blast volume, by big brazier brick outer ring with interior ring gap in flame upper part
Section supply；Air classification is that the ultralow NOx combustion of burner tissue creates conditions.The entrance center, device fuel gas one tunnel that pipeline comes
Air gun internal and external casing, sprays from central gas gun sprayer, and a road enters the gas bag of auxiliary air gun, sprays from the auxiliary shower nozzle in branch's gun barrel front end
Go out, achieved the classification of burner fuel gas by central gas gun sprayer fuel jet orifice, auxiliary shower nozzle fuel jet orifice；The sky of classification
Gas and combustion gas mixing, reach the purpose of strengthening mixing；Force one wind is the burning of expense equivalent proportion with the mixed combustion of fuel, produces reduction
Property flue gas, with light breeze mixed combustion produce oxidisability flue gas, sectional combustion reduces combustion flame surface temperature, has controlled cigarette
The generation of NOx in gas, its discharge flue gas concentration single fire gas time at below 100mg/Nm3, during single fire oil 180mg/Nm3 with
Under, reach the purpose of oil and gas combination burner low NOx drainage.
Of the present utility model ultimate principle and principal character and of the present utility model advantage, one's own profession have more than been shown and described
Skilled person will appreciate that of industry, this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Principle of the present utility model is simply described, on the premise of without departing from this utility model spirit and scope, this utility model is also
Have various changes and modifications, in the range of these changes and improvements both fall within claimed this utility model, this utility model
Claimed scope is defined by appending claims and equivalent thereof.
Claims (4)
1. one kind low NOx oil and gas combination burner, it is characterised in that: by brazier brick, main body, tune wind butterfly valve, regulator, kept burning day and night
Lamp, oil gas associating rifle and auxiliary air gun composition, described brazier brick is divided into large and small fire pot, big fire pot to be positioned at the top of little fire pot, little
Brazier brick is tube structure, and its quirk entrance flue, upper inside wall becomes the conical surface；Big brazier brick is divided into inner ring, outer ring, inner ring
For tube structure, its quirk entrance becomes cylinder, outer ring to be positioned at outside big fire pot solid circle with quirk top；Described oil gas associating rifle bag
Including center air gun and oil gun, center air gun is hollow sleeve tubular type air gun, and the shower nozzle of center air gun is provided with primary fuel spray orifice, oil gun
It is inserted in also clamping in the air gun inner sleeve of center；Auxiliary air gun uses the structure of gas bag band branch gun barrel, and auxiliary shower nozzle is provided with two grades of combustions
Material spray orifice.
Low NOx oil and gas combination burner the most according to claim 1, its feature exists: described primary fuel spray orifice and burning
Device is that axial angle is arranged.
Low NOx oil and gas combination burner the most according to claim 1, its feature exists: described secondary fuel spray orifice and burning
Device is axial angle and radially being in tilted layout of angle.
Low NOx oil and gas combination burner the most according to claim 1, its feature exists: described auxiliary shower nozzle passes through locking nut
With branch's gun barrel locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620763068.XU CN205842669U (en) | 2016-07-20 | 2016-07-20 | A kind of low NOx oil and gas combination burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620763068.XU CN205842669U (en) | 2016-07-20 | 2016-07-20 | A kind of low NOx oil and gas combination burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205842669U true CN205842669U (en) | 2016-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620763068.XU Active CN205842669U (en) | 2016-07-20 | 2016-07-20 | A kind of low NOx oil and gas combination burner |
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| CN (1) | CN205842669U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107726323A (en) * | 2017-11-28 | 2018-02-23 | 岳阳钟鼎热工电磁科技有限公司 | Ultra-low NOx emission circular flame oil and gas combination burner |
| CN107965767A (en) * | 2017-11-24 | 2018-04-27 | 北京拓首能源科技股份有限公司 | A kind of Furnace burner low-nitrogen discharged fuel gun of bypass igniting |
| CN108266727A (en) * | 2018-02-12 | 2018-07-10 | 岳阳恒盛石化科技有限公司 | The ultralow NO of cycle in a kind of flue gasxDischarge gas burner |
-
2016
- 2016-07-20 CN CN201620763068.XU patent/CN205842669U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107965767A (en) * | 2017-11-24 | 2018-04-27 | 北京拓首能源科技股份有限公司 | A kind of Furnace burner low-nitrogen discharged fuel gun of bypass igniting |
| CN107965767B (en) * | 2017-11-24 | 2024-01-05 | 北京拓首能源科技股份有限公司 | Bypass ignition low-nitrogen emission fuel gun for process heating furnace burner |
| CN107726323A (en) * | 2017-11-28 | 2018-02-23 | 岳阳钟鼎热工电磁科技有限公司 | Ultra-low NOx emission circular flame oil and gas combination burner |
| CN108266727A (en) * | 2018-02-12 | 2018-07-10 | 岳阳恒盛石化科技有限公司 | The ultralow NO of cycle in a kind of flue gasxDischarge gas burner |
| CN108266727B (en) * | 2018-02-12 | 2024-04-02 | 岳阳恒盛石化科技有限公司 | Ultra-low NO of internal circulation of flue gas x Exhaust gas burner |
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| GR01 | Patent grant |