CN206291214U - A kind of heavy oil burner of combustion gas with combustion - Google Patents
A kind of heavy oil burner of combustion gas with combustion Download PDFInfo
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- CN206291214U CN206291214U CN201621408399.8U CN201621408399U CN206291214U CN 206291214 U CN206291214 U CN 206291214U CN 201621408399 U CN201621408399 U CN 201621408399U CN 206291214 U CN206291214 U CN 206291214U
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- combustion
- gas
- air
- heavy oil
- outer sleeve
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Abstract
The utility model is related to a kind of combustion gas with the heavy oil burner of combustion.The utility model is a kind of heavy oil burner with combustion gas companion's combustion for being applied to the fields such as boiler, smelting and heating, tunnel cave, the device is in order to solve the problems, such as heavy oil burner ignition difficulties, traditional simple high energy point rifle is replaced using pre-mixing gas combustion burning torch first, is ignited with combustion combustion gas and atomization heavy oil using naked light mode；Secondly combustion gas is introduced with combustion, swirl-flow premixed gas (combustion gas and air) is formed on the outside of heavy oil atomizing rifle, improve igniting reliability, reduce incomplete combustion degree and NOxDischarge.
Description
Technical field
The utility model belongs to the field of combustion equipment in Thermal Power Engineering, and in particular to a kind of heavy oil burner, the device
Can be in the combustion systems such as boiler, smelting and heating, tunnel cave.
Background technology
Oil burner can be generally divided into bumer of light fuel and heavy oil burner, and wherein light oil refers mainly to diesel oil, heavy oil
Generally refer to crude oil and extract remaining mink cell focus after gasoline, diesel oil.Compared with light oil, heavy oil has cheap, burning peace
Complete and easily stored advantage.As high-quality fuel oil and the continuous of Gas Prices are risen, heavy oil combustion system is also increasingly received
To the attention of industrial quarters.But also there is following a few point defects in combustion in heavy oil：
1st, because heavy oil flash-point is high, it is difficult to light under normality, especially the heavy oil of more than 200#, therefore exist in burning
The problem of ignition difficulties；
2nd, due in heavy oil high-molecular hydrocarbons content it is high, it is not easy to burn, when oily evaporation rate less than its burn
Cracking analysis carbon can occur, particularly when oil/gas mixes bad, burner region temperature is not high enough, and fuel is in high-temperature region during speed
Residence time falls short of, when fire or not enough oxygen concentration, it is easier to which the imperfect combustion phenomenons such as analysis carbon occur；
3rd, relative to light diesel fuel, the N content in heavy oil is higher, about 0.5~1%, therefore except generation heat in burning
The NO of power typex, can also generate substantial amounts of fuel type NOx。
How ignition difficulties, incomplete combustion problem and the NO of heavy oil combustion is solved the problems, such asxDischarge problem higher, is weight
Oil firing equipment problem urgently to be resolved hurrily.
Utility model content
In order to solve the technical problem of existing heavy oil combustion ignition difficulties, the utility model provides a kind of weight of combustion gas with combustion
Oil burner.
Technical solution of the present utility model：
With the heavy oil burner of combustion, it is characterized in that for a kind of combustion gas：Including heavy oil core pipe 19, combustion gas outer tube 18,
First air outer sleeve 17, gas premixing room 11, high energy ignition unit 2 and pre-mixing gas combustion burning torch 12, the heavy oil core pipe 19
One end be provided with heavy oil gun entrance 1, the other end of the heavy oil core pipe 19 is provided with heavy oil atomizing shower nozzle 13, the combustion gas
Outer tube 18 is located at the outside of heavy oil core pipe 19 and half combustion combustion gas circular passage is formed between heavy oil core pipe 19, and half combustion combustion gas is led to
Crossing the fuel gas inlet being arranged on combustion gas outer tube 18 carries out half combustion combustion gas circular passage, and First air outer sleeve 17 is arranged on combustion gas
The outside of outer tube 18 and the formation First air circular passage between combustion gas outer tube 18, primary air entrance 5 are arranged on once
On wind outer sleeve 17, the pre-mixing gas combustion burning torch 12 is arranged in First air circular passage, the pre-mixing gas combustion burning torch 12
One end be provided with high energy ignition unit 2, pre-mixing gas combustion burning torch air intake 4 is provided with the pre-mixing gas combustion burning torch 12
With pre-mixing gas combustion burning torch fuel gas inlet；The pre-mixing gas combustion burning torch air intake 4 and pre-mixing gas combustion burning torch fuel gas inlet 3
Connected with First air circular passage, the gas premixing room 11 is fixed on the port of export of First air outer sleeve 17, the premix
The outlet of gas ignition rifle, heavy oil atomizing shower nozzle 13, the outlet of combustion gas outer tube 18 and the outlet of First air outer sleeve are respectively positioned on
In gas premixing room 11.
It is disposed with gas premixing room 11 with combustion pre-mixing gas combustion spinning disk 14, it is described to be located at combustion pre-mixing gas combustion spinning disk 14
Half combustion combustion gas circular passage and the exit of First air circular passage.
Above-mentioned gas premixing room 11 is pantograph structure, and the material of gas premixing room 11 is Cr25Ni20。
Also include Secondary Air outer sleeve 16, the Secondary Air outer sleeve 16 is provided with auxiliary air entrance 6, the Secondary Air
Outer sleeve 16 is arranged on the outside of First air outer sleeve 17 and auxiliary air circular passage is formed between First air outer sleeve 17,
Auxiliary air enters auxiliary air circular passage by auxiliary air entrance 6.
The exit of above-mentioned auxiliary air circular passage is provided with auxiliary air spinning disk 10.
Also include tertiary air outer sleeve 15, the tertiary air outer sleeve 15 be arranged on the outside of Secondary Air outer sleeve 16 and with
Tertiary air circular passage is formed between Secondary Air outer sleeve 16, tertiary air entrance is provided with the tertiary air outer sleeve 15
7, tertiary air enters tertiary air circular passage by tertiary air entrance 7.
The exit of above-mentioned tertiary air circular passage is provided with tertiary air spinning disk 9.
Also include UV flame detectors 20, the UV flame detectors 20 are arranged on the termination of First air outer sleeve 17.
Multiple loopholes are opened up on above-mentioned companion's combustion pre-mixing gas combustion spinning disk 14.
Air-conditioning control valve is installed additional before above-mentioned auxiliary air entrance 6 and tertiary air entrance 7.
The utility model is had the advantage that：
1st, the utility model is a kind of weight with combustion gas companion's combustion for being applied to the fields such as boiler, smelting and heating, tunnel cave
Oil burner, the device is passed using the substitution of pre-mixing gas combustion burning torch first in order to solve the problems, such as heavy oil burner ignition difficulties
The simple high energy point rifle of system, is ignited with combustion combustion gas and atomization heavy oil using naked light mode；Secondly combustion gas is introduced with combustion, in heavy oil mist
Change rifle outside and form swirl-flow premixed gas (combustion gas and air), improve igniting reliability, reduce incomplete combustion degree and NOxRow
Put.
2nd, the utility model is in order to solve heavy oil burner incomplete combustion, the serious phenomenon of analysis carbon, there is provided eddy flow is pre-
Mixed gas, hot environment is created in heavy oil atomizing region, increases heavy oil evaporation rate, additionally, being provided with also on the outside of heavy oil nozzle
The mixing intensity of rotational flow air, enhancing air and heavy oil.Another for setting swirl-flow premixed gas on the outside of heavy oil atomizing rifle is good
Place is exactly, when burning heavy oil early stage, just to create a high-temperature low-oxygen environment, by combustion gas in the effect of firing again, reduces astatki
Type NOxGrowing amount.
3rd, the utility model increases ultraviolet flame detector to improve the reliability of burner in burner tip
(UV), in order to preferably gather flare up fire by UV, multiple loopholes are opened up on premix gas discharge swirl piece.
4th, the popularization of the utility model heavy oil burner, is also heavy oil combustion section while operation cost of enterprises is reduced
Tremendous contribution is made in energy emission reduction.
Brief description of the drawings
Fig. 1 is combustion gas with combustion heavy oil burner front view；
Fig. 2 is combustion gas with combustion heavy oil burner top view；
Fig. 3 is combustion gas with combustion heavy oil burner left view；
Fig. 4 is combustion gas with combustion heavy oil burner right view；
Wherein reference is：1- heavy oil gun entrances, 2- high energy ignition units, 3- pre-mixing gas combustion burning torch combustion gas enters
Mouthful, 4- pre-mixing gas combustion burning torch air intakes, 5- primary air entrances, 6- auxiliary air entrances, 7- tertiary air entrances, 8- peaces
Dress flange, 9- tertiary air spinning disks, 10- auxiliary air spinning disks, 11- gas premixings room, 12- pre-mixing gas combustion burning torches go out
Mouthful, 13- heavy oil atomizing shower nozzles, 14- is with combustion pre-mixing gas combustion spinning disk, 15- tertiary air outer sleeves, 16- Secondary Air outer sleeves, 17-
First air outer sleeve, 18- combustion gas outer tubes, 19- heavy oil core pipes, 20-UV flame detectors, 21- fuel gas inlets.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and implementation
Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only used to explain
The utility model, is not used to limit the utility model.
Embodiment 1：
A kind of combustion gas is with the heavy oil burner for firing, including heavy oil core pipe 19, combustion gas overcoat as shown in Figure 1, Figure 2, Figure 3, Figure 4
Pipe 18, First air outer sleeve 17, gas premixing room 11, high energy ignition unit 2 and pre-mixing gas combustion burning torch 12, heavy oil core pipe 19
One end be provided with heavy oil gun entrance 1, the other end of heavy oil core pipe 19 is provided with heavy oil atomizing shower nozzle 13, combustion gas outer tube 18
Half combustion combustion gas circular passage is formed positioned at the outside of heavy oil core pipe 19 and between heavy oil core pipe 19, half combustion combustion gas is by being arranged on
Fuel gas inlet on combustion gas outer tube 18 carries out half combustion combustion gas circular passage, and First air outer sleeve 17 is arranged on combustion gas outer tube 18
Outside and First air circular passage is formed between combustion gas outer tube 18, primary air entrance 5 is arranged on First air outer sleeve
On 17, the pre-mixing gas combustion burning torch 12 is arranged in First air circular passage, and one end of pre-mixing gas combustion burning torch 12 is provided with
High energy ignition unit 2, is provided with pre-mixing gas combustion burning torch air intake 4 and pre-mixing gas combustion burning torch on pre-mixing gas combustion burning torch 12
Pre-mixing gas combustion burning torch air intake 4 described in fuel gas inlet and pre-mixing gas combustion burning torch fuel gas inlet 3 are logical with First air annular
Road is connected, and gas premixing room 11 is fixed on the port of export of First air outer sleeve 17, the outlet of pre-mixing gas combustion burning torch, heavy oil atomizing spray
First 13, the outlet of combustion gas outer tube 18 and the outlet of First air outer sleeve is respectively positioned in gas premixing room 11.
Igniting combustion gas and igniting air pass through pre-mixing gas combustion burning torch fuel gas inlet 3 and pre-mixing gas combustion burning torch air intake
4 enter in burning torch, and premixed gas is formed in burning torch, and the high-voltage arc for then being discharged by high energy ignition unit 2 is introduced, shape
Into naked light flammule.Heavy oil burner enters burner with combustion combustion gas by fuel gas inlet 21, then in heavy oil core pipe 19 and combustion gas
Flowed in the circular passage that outer sleeve 18 is formed；Primary air enters burner by primary air entrance 5, then in combustion gas overcoat
Flowed in the circular passage formed between cylinder 18 and First air outer sleeve 17.With combustion combustion gas and primary air in gas premixing room 11
Inside mixed, formed with combustion gaseous mixture.Rotation is formed by the spinning disk 14 being arranged in gas premixing room 11 with combustion gaseous mixture
Turn air-flow, then ignited by the naked light sprayed by pre-mixing gas combustion burning torch outlet 12, high-temperature low-oxygen is formed in heavy oil atomizing region
Environment.Heavy oil enters heavy oil core pipe by heavy oil gun entrance 1, and entering burner hearth after being then atomized through heavy oil atomizing shower nozzle 13 participates in combustion
Burn, ignited gun-shaped into naked light flame and the wake high-temperature region to be formed of burning ignite, because combustion gas is with the effect of combustion, can subtract
Few heavy oil combustion analysis carbon phenomenon and reduction fuel type NOxGeneration.Burner is entered by fuel gas inlet 21 with combustion combustion gas, then in weight
Flowed in the circular passage that wick pipe 19 and combustion gas outer sleeve 18 are formed；Primary air enters burner by primary air entrance 5,
Then flowed in the circular passage for being formed between combustion gas outer sleeve 18 and First air outer sleeve 17.Exist with combustion combustion gas and First air
Mixed in gas premixing room 11, formed with combustion gaseous mixture.Using the traditional simple high energy of the substitution of pre-mixing gas combustion burning torch 12
Point rifle, is ignited atomization heavy oil using naked light mode, and air and combustion gas enter pre-mixing gas combustion burning torch, form premixed gas, then
Ignited by the high-voltage arc that high energy ignition unit 2 is formed, form naked light, companion's combustion premix of the ejection of gas premixing room 11 of then igniting
Heavy oil after gas and atomization.
Embodiment 2：
It is disposed with gas premixing room 11 with combustion pre-mixing gas combustion spinning disk 14, being located at half with combustion pre-mixing gas combustion spinning disk 14 fires
Combustion gas circular passage and the exit of First air circular passage.The utility model sets premix in the outside of heavy oil atomizing shower nozzle 13
With combustion gaseous mixture, with combustion gaseous mixture by the spinning disk 14 set in gas premixing room 11, swirling eddy is formed.Pre-mixing gas combustion point
Firelock 12 is lighted with combustion gaseous mixture first, and heavy oil igniting reliability after being atomized can be improved with the burning for firing gaseous mixture, additionally it is possible to
High-temperature low-oxygen environment is provided, is reduced heavy oil combustion analysis carbon phenomenon and is reduced fuel type NOxGeneration.
Embodiment 3：
Gas premixing room is pantograph structure, can further improve the size of recirculating zone during with combustion mixture combustion.Combustion gas
The general heat-resisting steel construction in premixer 11, it is proposed that selection Cr25Ni20Heat-resistance stainless steel.
Embodiment 4：
Also include Secondary Air outer sleeve 16 and tertiary air outer sleeve 15, Secondary Air outer sleeve 16 is provided with auxiliary air entrance
6, Secondary Air outer sleeve 16 is arranged on the outside of First air outer sleeve 17 and forms auxiliary air between First air outer sleeve 17
Circular passage, auxiliary air enters auxiliary air circular passage by auxiliary air entrance 6.The exit of secondary-air passage sets
It is equipped with auxiliary air spinning disk 10.Tertiary air outer sleeve 15 be arranged on the outside of Secondary Air outer sleeve 16 and with Secondary Air outer sleeve
Tertiary air circular passage is formed between 16, tertiary air entrance 7 is provided with the tertiary air outer sleeve 15, tertiary air leads to
Cross tertiary air entrance 7 and enter tertiary air circular passage.Secondary Air and tertiary air are entered by Secondary Air entrance and tertiary air respectively
Mouth (6,7) enters burner, is then distributed in First air outer sleeve (17), Secondary Air outer sleeve (16) and tertiary air outer sleeve
(15) flowed in the circular passage for being formed, the configured spinning disk (9,10) in circular passage forms swirling eddy, spray respectively
Enter burner hearth.Secondary Air is installed at by regulation and tertiary air entrance early gate controls flame forms, when flame long is needed, increased
Tertiary air is supplied, and reduces Secondary Air supply；When short flame is needed, increase Secondary Air supply, reduce tertiary air supply.
Embodiment 5：
Air is fed in burner by First air entrance 5, Secondary Air entrance 6 and tertiary air entrance 7 respectively, and once
Wind, Secondary Air and tertiary air exit passageway are respectively provided with spinning disk (9,10,14).The outlet of First air, Secondary Air and tertiary air is logical
Road spinning disk (9,10,14) is axial rotational flow mode, and eddy flow direction is identical, and First air and Secondary Air are proposed with strong eddy flow
Structure, tertiary air uses weak cyclone structure, spinning disk to be less than 30 ° with the angle suggestion of axle.In order to further carry high-level cyclone
Stream effect, Secondary Air and tertiary air use spiral case mode air inlet (6,7), the eddy flow direction for being formed and axial rotational flow piece (9,10,
14) the eddy flow direction for being formed is identical.
Embodiment 6：
The utility model recommends the ratio of First air, Secondary Air and tertiary air to be respectively 20%, 30% and 50%, but suggestion
Install air-conditioning control valve additional before Secondary Air and tertiary air entrance, can by valve regulated control flame forms, when need length
During flame, increase tertiary air supply, reduce Secondary Air supply；When short flame is needed, increase Secondary Air supply, reduce tertiary air
Supply.
Embodiment 7：
In order to improve the reliability of burner, UV flame detector 20 is increased in burner tip, UV flames are visited
Survey the termination that device 20 is arranged on First air outer sleeve 17.In order to preferably gather flare up fire by UV, in premix gas outlet rotation
Multiple loopholes are opened up in flow 14.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of combustion gas is with the heavy oil burner for firing, it is characterised in that：Including heavy oil core pipe (19), combustion gas outer tube (18), one
Secondary wind outer sleeve (17), gas premixing room (11), high energy ignition unit (2) and pre-mixing gas combustion burning torch (12), the heavy oil
One end of core pipe (19) is provided with heavy oil gun entrance (1), and the other end of the heavy oil core pipe (19) is provided with heavy oil atomizing spray
Head (13), the combustion gas outer tube (18) forms half combustion combustion positioned at the outside of heavy oil core pipe (19) and between heavy oil core pipe (19)
Gas ring shape passage, half combustion combustion gas carries out half combustion combustion gas circular passage by the fuel gas inlet being arranged on combustion gas outer tube (18),
First air outer sleeve (17) is arranged on the outside of combustion gas outer tube (18) and a vane is formed between combustion gas outer tube (18)
Shape passage, primary air entrance (5) is arranged on First air outer sleeve (17), and the pre-mixing gas combustion burning torch (12) is arranged on one
In secondary wind circular passage, one end of the pre-mixing gas combustion burning torch (12) is provided with high energy ignition unit (2), the pre-mixing gas combustion
Pre-mixing gas combustion burning torch air intake (4) and pre-mixing gas combustion burning torch fuel gas inlet are provided with burning torch (12)；The premix
Gas ignition rifle air intake (4) and pre-mixing gas combustion burning torch fuel gas inlet (3) are connected with First air circular passage, the combustion
Gas premixer (11) is fixed on the port of export of First air outer sleeve (17), the pre-mixing gas combustion burning torch outlet, heavy oil atomizing spray
Head (13), the outlet of combustion gas outer tube (18) and the outlet of First air outer sleeve are respectively positioned in gas premixing room (11).
2. the heavy oil burner that combustion gas companion is fired according to claim 1, it is characterised in that：It is disposed with gas premixing room (11)
With combustion pre-mixing gas combustion spinning disk (14), companion's combustion pre-mixing gas combustion spinning disk (14) is positioned at half combustion combustion gas circular passage and First air
The exit of circular passage.
3. combustion gas according to claim 1 and 2 is with the heavy oil burner for firing, it is characterised in that：The gas premixing room
(11) it is pantograph structure, the material of gas premixing room (11) is Cr25Ni20。
4. combustion gas according to claim 3 is with the heavy oil burner for firing, it is characterised in that：Also include Secondary Air outer sleeve
(16), the Secondary Air outer sleeve (16) is provided with auxiliary air entrance (6), and the Secondary Air outer sleeve (16) is arranged on once
The outside of wind outer sleeve (17) and the formation auxiliary air circular passage between First air outer sleeve (17), auxiliary air pass through two
Secondary air intake (6) enters auxiliary air circular passage.
5. combustion gas according to claim 4 is with the heavy oil burner for firing, it is characterised in that：The auxiliary air circular passage
Exit be provided with auxiliary air spinning disk (10).
6. combustion gas according to claim 5 is with the heavy oil burner for firing, it is characterised in that：Also include tertiary air outer sleeve
(15), the tertiary air outer sleeve (15) is arranged on the outside of Secondary Air outer sleeve (16) and between Secondary Air outer sleeve (16)
Tertiary air circular passage is formed, tertiary air entrance (7) is provided with the tertiary air outer sleeve (15), tertiary air passes through
Tertiary air entrance (7) enters tertiary air circular passage.
7. combustion gas according to claim 6 is with the heavy oil burner for firing, it is characterised in that：The tertiary air circular passage
Exit be provided with tertiary air spinning disk (9).
8. combustion gas according to claim 7 is with the heavy oil burner for firing, it is characterised in that：Also include UV flame detectors
(20), the UV flame detectors (20) are arranged on the termination of First air outer sleeve (17).
9. combustion gas according to claim 2 is with the heavy oil burner for firing, it is characterised in that：Companion's combustion pre-mixing gas combustion eddy flow
Piece opens up multiple loopholes on (14).
10. combustion gas according to claim 8 is with the heavy oil burner for firing, it is characterised in that：The auxiliary air entrance (6)
Air-conditioning control valve is installed additional with before tertiary air entrance (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621408399.8U CN206291214U (en) | 2016-12-21 | 2016-12-21 | A kind of heavy oil burner of combustion gas with combustion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621408399.8U CN206291214U (en) | 2016-12-21 | 2016-12-21 | A kind of heavy oil burner of combustion gas with combustion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206291214U true CN206291214U (en) | 2017-06-30 |
Family
ID=59104201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621408399.8U Expired - Fee Related CN206291214U (en) | 2016-12-21 | 2016-12-21 | A kind of heavy oil burner of combustion gas with combustion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206291214U (en) |
-
2016
- 2016-12-21 CN CN201621408399.8U patent/CN206291214U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180724 Address after: Room 202, Unit 1, Building 2, Sanmi Sunshine Community, Chen Yang Community, ChenYang Street Office, Fengxi New Town, Xixian New District, Xianyang City, Shaanxi Province Patentee after: SHAANXI SHANGAO SHUIYUAN MACHINERY MANUFACTURING CO.,LTD. Address before: 712000 Nanan village, Xianyang, Shaanxi Province, Qin Du District Patentee before: Xu Liang |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170630 Termination date: 20211221 |