CN108443868A - A kind of air/low NO of lean gas replaceable typexTurbulent burner - Google Patents
A kind of air/low NO of lean gas replaceable typexTurbulent burner Download PDFInfo
- Publication number
- CN108443868A CN108443868A CN201810496601.4A CN201810496601A CN108443868A CN 108443868 A CN108443868 A CN 108443868A CN 201810496601 A CN201810496601 A CN 201810496601A CN 108443868 A CN108443868 A CN 108443868A
- Authority
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- Prior art keywords
- air
- air duct
- lean gas
- duct
- replaceable type
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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.)
- Granted
Links
- 239000003245 coal Substances 0.000 claims abstract description 27
- 230000004888 barrier function Effects 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 description 63
- 230000009467 reduction Effects 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 239000003546 flue gas Substances 0.000 description 7
- 230000001603 reducing effect Effects 0.000 description 7
- 239000000843 powder Substances 0.000 description 4
- 238000013475 authorization Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000002817 coal dust Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 239000002802 bituminous coal Substances 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 208000018875 hypoxemia Diseases 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000036651 mood Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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
- F23C7/002—Combustion apparatus characterised by arrangements for air supply the air being submitted to a rotary or spinning motion
- F23C7/004—Combustion apparatus characterised by arrangements for air supply the air being submitted to a rotary or spinning motion using vanes
-
- 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
- F23L1/00—Passages or apertures for delivering primary air for combustion
-
- 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
Abstract
The invention discloses a kind of air/low NO of lean gas replaceable typexTurbulent burner, including precombustion chamber, center lean gas air duct, First air air duct, air/lean gas replaceable type air duct, inner second air air duct and outer second air air duct；Center lean gas air duct, First air air duct, air/lean gas replaceable type air duct and inner second air air duct are sequentially distributed from inside to outside；The entrance in air/lean gas replaceable type air duct is divided into air channel and lean gas air duct, wherein is provided with air dampers baffle in air channel, lean gas air channel barrier is provided in lean gas air duct；The direction of the inner wall upper edge air-flow flowing in First air air duct, which is disposed with, flows item group and pulverized coal concentrator, several axially adjustable swirl vanes are provided in inner second air air duct, the burner can flexible and effective depth controls NO in real time according to coal varitation characteristicxDischarge capacity.
Description
Technical field
The invention belongs to power station, Industrial Boiler pulverized coal combustion and field of environmental technology, are related to a kind of air/lean gas
The low NO of replaceable typexTurbulent burner.
Background technology
In China, coal as a kind of dominance energy resources in it is long-term in will not change.The coal-burned industrial boiler energy
Consumption and disposal of pollutants occupy national industrial trade second, are only second to station boiler, to caused by national some importance city
Disposal of pollutants has been over station boiler.
Coal-burned industrial boiler NOxDischarge standard is increasingly stringent.According to《Emission standard of air pollutants for boilers》GB13271-
2014, create industry coal-boiler NOxMust not discharge and is higher than 300mg/m3, emphasis region is 200mg/m3。
Industrial coal powder boiler burner design optimization is as reduction NOxThe method of most direct economy is current industrial coal dust
Boiler coal-ash burns and NOxThe hot spot of emission reduction research.Existing coal burner, such as patent of invention《One kind being used for Industrial Stoves
The vortex burner using flue gas recirculation》(Chinese patent ZL201010213627.7, authorized announcement date 2011
On September 14, Authorization Notice No. 101876433A, are called in the following text " file one ") consider coal characteristic provided with numerous embodiments
Burner, but it is complicated, and be difficult to realize in a kind of burner operational process according to coal quality dramatic performance it is real-time flexibly
It adjusts；Patent of invention《Vortex burner》(Chinese patent ZL 201310569461.6, authorized announcement date are in March, 2014
12 days, Authorization Notice No. 103629663A are called in the following text " file two ") use choker bar by breeze airflow, Secondary Air air-flow and three
If secondary general mood stream is divided into carried interest ejection, and air stream and breeze airflow are substantially along the circumferential direction staggeredly, to postpone air
With the mixing of coal dust, NO is reducedxIt generates and discharges；Patent of invention《A kind of coal burner》(Chinese patent ZL
201210152329.0, authorized announcement date is October 3, Authorization Notice No. 100705823A in 2012, calls " file in the following text
Three ") it will light and classification of burning carries out, and realize and stablize burning.From the point of view of existing achievement in research, " file one ", " file two ",
The coal burner that " file three " proposes does not use the advanced low NO such as precombustion chamber burning or lean gasxCombustion technology, Bu Nenggen
According to coal varitation characteristic, flexible and effective depth controls NO in real timexDischarge capacity, it is difficult to meet increasingly stringent coal-burned industrial boiler
NOxEmission request.
Invention content
It is an object of the invention to overcome the above-mentioned prior art, it is low to provide a kind of air/lean gas replaceable type
NOxTurbulent burner, the burner can flexible and effective depth controls NO in real time according to coal varitation characteristicxDischarge capacity.
In order to achieve the above objectives, air of the present invention/low NO of lean gas replaceable typexTurbulent burner includes pre-burning
Room, center lean gas air duct, First air air duct, air/lean gas replaceable type air duct, inner second air air duct and outer second air air duct；
Center lean gas air duct, First air air duct, air/lean gas replaceable type air duct and inner second air air duct from inside to outside according to
Secondary distribution, center lean gas air duct, First air air duct, air/lean gas replaceable type air duct and inner second air air duct are and precombustion chamber
It is connected, outer second air air duct is wrapped in outside precombustion chamber, and the outlet in outer second air air duct is connected with the entrance of burner hearth, precombustion chamber
Outlet in the burner hearth wall surface；
The entrance in air/lean gas replaceable type air duct is divided into air channel and lean gas air duct, wherein is set in air channel
It is equipped with air dampers baffle, lean gas air channel barrier is provided in lean gas air duct；
The direction of the inner wall upper edge air-flow flowing in First air air duct, which is disposed with, flows item group and pulverized coal concentrator, and interior two
Several axially adjustable swirl vanes are provided in secondary wind air duct.
Center is provided with lean gas damper in lean gas air duct.
It further include the manual adjustment rod for controlling each axially adjustable swirl vane eddy flow angle.
The entrance of the entrance in First air air duct, the entrance in inner second air air duct and outer second air air duct is respectively set
First air damper, inner second air damper and outer second air damper.
Each axially adjustable swirl vane is uniformly distributed circumferentially.
Each stream item in item group is flowed to be uniformly distributed.
Air-flow in the lean gas air duct of center accounts for the 0~7% of total blast volume, and the air-flow in air/lean gas replaceable type air duct accounts for
Total blast volume 0~20%, center lean gas air duct and the total amount of lean gas in air/lean gas replaceable type air duct are less than or equal to total blast volume
20%, the air-flow in First air air duct accounts for the 15%~20% of total blast volume, and the air-flow in inner second air air duct accounts for the 30 of total blast volume
~40%；40%~55% of air quantity duty gas demand in outer second air air duct.
The invention has the advantages that：
Air of the present invention/low the NO of lean gas replaceable typexTurbulent burner is when specific operation, using center lean gas
Air-flow, First air air-flow, air/lean gas replaceable type air-flow, the adjustable inner second air air-flow of swirl strength and outer second air
Air-flow phase configuration is ensureing to catch fire by controlling the proportioning of lean gas air-flow and air draught in air/lean gas replaceable type air-flow
Needed for burning while oxygen, increase the air quantity of lean gas air-flow, strengthen reducing atmosphere, reduces NOxDischarge；Two in controlling simultaneously
The ratio of secondary wind and outer second air ensures strong reducing property atmosphere in precombustion chamber, extends breeze airflow stopping in reducing atmosphere
The time is stayed, NO is further decreasedxDischarge；Meanwhile center lean gas air-flow can form hypoxemia ring in breeze airflow central area
Reducing atmosphere and NO are strengthened in borderxEmission reduction.In addition, pulverized coal concentrator is arranged in First air air duct, breeze airflow is caused radially
Air-coal separating, promotion catches fire and NOxEmission reduction；And be uniformly arranged in the circumferential direction in First air air duct it is several flow item, ensure one
Coal powder density is uniformly distributed in secondary wind breeze airflow, optimizes NOxUniform emission reduction.In addition, by the way that swirl strength is adjusted
Inner second air is matched with precombustion chamber, inhales high temperature reflux flue gas and radiation by rolling up, and is conducive to improve catching fire for difficult coal of catching fire
Situation.In addition, can according to coal characteristic, flexibly using high-temperature flue gas recycling, low-temperature flue gas recycling and exhaust gas be passed through air/
Lean gas replaceable type air duct reduces NOxWhile, guarantee catch fire and burn, realize according to coal varitation characteristic in real time flexibly and
Effective depth controls NOxDischarge capacity.
Further, by adjusting the aperture of air dampers baffle, lean gas burning reduction NO is being realizedxWhile discharge, protect
It demonstrate,proves burning initial stage and stablizes oxygen amount needed for burning.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the sectional view in the directions A-A in Fig. 1.
Wherein, lean gas air duct centered on 1,2 be First air air duct, 3 be air/lean gas replaceable type air duct, 4 be to adjust manually
Pole, 5 be axially adjustable swirl vane, 6 be inner second air air duct, 7 be flow item, 8 be pulverized coal concentrator, 9 be outer secondary
Wind air duct, 10 be precombustion chamber, 11 be lean gas damper, 12 be First air damper, 13 be air channel, 14 be air wind
Door guard plate, 15 be lean gas air duct, 16 be lean gas air channel barrier, 17 be inner second air damper, 18 be outer second air damper
Plate.
Specific implementation mode
The present invention is described in further detail below in conjunction with the accompanying drawings：
With reference to figure 1 and Fig. 2, the air of the present invention/low NO of lean gas replaceable typexTurbulent burner includes precombustion chamber
10, center lean gas air duct 1, First air air duct 2, air/lean gas replaceable type air duct 3, inner second air air duct 6 and outer second air wind
Road 9；Center lean gas air duct 1, First air air duct 2, air/lean gas replaceable type air duct 3 and inner second air air duct 6 from inside to outside according to
Secondary distribution, center lean gas air duct 1, First air air duct 2, air/lean gas replaceable type air duct 3 and inner second air air duct 6 in advance
Combustion room 10 is connected, and outer second air air duct 9 is wrapped in outside precombustion chamber 10, the outlet in outer second air air duct 9 and the entrance phase of burner hearth
Connection, the outlet of precombustion chamber 10 is in burner hearth wall surface；The entrance in air/lean gas replaceable type air duct 3 is divided into air channel
13 and lean gas air duct 15, wherein be provided with air dampers baffle 14 in air channel 13, lean gas is provided in lean gas air duct 15
Air channel barrier 16；The direction of the inner wall upper edge air-flow flowing in First air air duct 2, which is disposed with, flows item group and pulverized coal concentrator
8, several axially adjustable swirl vanes 5 are provided in inner second air air duct 6.Wherein, each axially adjustable swirl vane 5 is along week
To being uniformly distributed；Each stream item 7 in item group is flowed to be uniformly distributed；The invention also includes for controlling each axially adjustable eddy flow leaf
The manual adjustment rod 4 of 5 eddy flow angle of piece.
It is provided with lean gas damper 11 in center lean gas air duct 1；The entrance in First air air duct 2, inner second air air duct 6
Entrance and outer second air air duct 9 entrance be respectively set First air damper 12, inner second air damper 17 and
Outer second air damper 18.
Air-flow in center lean gas air duct 1 accounts for the 0~7% of total blast volume, the air-flow in air/lean gas replaceable type air duct 3
Total blast volume 0~20% is accounted for, center lean gas air duct 1 and the total amount of lean gas in air/lean gas replaceable type air duct 3 are less than or equal to total wind
The 20% of amount, the air-flow in First air air duct 2 account for the 15%~20% of total blast volume, and the air-flow in inner second air air duct 6 accounts for total wind
The 30~40% of amount；40%~55% of air quantity duty gas demand in outer second air air duct 9.
The present invention specific operation process be：
When the burning difficulties such as meager coal and anthracite are caught fire and NOxWhen the high coal of production quantity, by opening for lean gas air channel barrier 16
Degree is adjusted to maximum, using high-temperature flue gas or high-temp waste gas as lean gas, provides high-temperature reductibility atmosphere by lean gas, postpones coal
Powder air-flow is mixed with air, and then reduces NOxDischarge, and provide heat source for coal powder ignition；Meanwhile it being adjusted by manual adjustment rod 4
The angle of axially adjustable swirl vane 5 is saved, swirl strength is increased, strengthens the volume pipette of high-temperature flue gas, promotes coal dust timely
Fire.At this point, 14 aperture of air dampers baffle minimizes, strengthen reducing atmosphere.
When bituminous coal etc. is easily caught fire and NOxIt is when the low coal quality of production quantity, the aperture of lean gas damper 11 is maximum
Change, using low-temperature flue gas or low temperature waste gas as lean gas；Meanwhile axially adjustable eddy flow leaf is adjusted by manual adjustment rod 4
The angle of piece 5, moderate reduction swirl strength；The two, which is combined, provides low temperature strong reducing property atmosphere, reduces NOxDischarge.At this point, empty
The aperture of gas damper 14 minimizes, and extends residence time of the breeze airflow in low-temperature reinforcement reducing atmosphere, strengthens
NOxReduction and emission reduction.
The above content is merely illustrative of the invention's technical idea, and protection scope of the present invention cannot be limited with this, every to press
According to technological thought proposed by the present invention, any change done on the basis of technical solution each falls within claims of the present invention
Protection domain within.
Claims (7)
1. a kind of air/low NO of lean gas replaceable typexTurbulent burner, which is characterized in that including precombustion chamber (10), center lean gas
Air duct (1), First air air duct (2), air/lean gas replaceable type air duct (3), inner second air air duct (6) and outer second air air duct
(9)；
Center lean gas air duct (1), First air air duct (2), air/lean gas replaceable type air duct (3) and inner second air air duct (6) by
It is interior to being sequentially distributed outside, center lean gas air duct (1), First air air duct (2), air/lean gas replaceable type air duct (3) and interior secondary
Wind air duct (6) is connected with precombustion chamber (10), and outer second air air duct (9) are wrapped in precombustion chamber (10) outside, outer second air air duct
(9) outlet is connected with the entrance of burner hearth, and the outlet of precombustion chamber (10) is in burner hearth wall surface；
The entrance in air/lean gas replaceable type air duct (3) is divided into air channel (13) and lean gas air duct (15), wherein air
It is provided with air dampers baffle (14) in air duct (13), lean gas air channel barrier (16) is provided in lean gas air duct (15)；
The direction of the inner wall upper edge air-flow flowing in First air air duct (2), which is disposed with, flows item group and pulverized coal concentrator (8), interior
It is provided with several axially adjustable swirl vanes (5) in secondary air passage (6).
2. the air according to claim 1/low NO of lean gas replaceable typexTurbulent burner, which is characterized in that center lean gas
It is provided with lean gas damper (11) in air duct (1).
3. the air according to claim 1/low NO of lean gas replaceable typexTurbulent burner, which is characterized in that further include using
In the manual adjustment rod (4) for controlling each axially adjustable swirl vane (5) eddy flow angle.
4. the air according to claim 1/low NO of lean gas replaceable typexTurbulent burner, which is characterized in that First air wind
First air is respectively set in the entrance of the entrance in road (2), the entrance of inner second air air duct (6) and outer second air air duct (9)
Damper (12), inner second air damper (17) and outer second air damper (18).
5. the air according to claim 1/low NO of lean gas replaceable typexTurbulent burner, which is characterized in that each axial direction can
Swirl vane (5) is adjusted to be uniformly distributed circumferentially.
6. the air according to claim 1/low NO of lean gas replaceable typexTurbulent burner, which is characterized in that flow item group
Interior each stream item (7) is uniformly distributed.
7. the air according to claim 1/low NO of lean gas replaceable typexTurbulent burner, which is characterized in that center lean gas
Air-flow in air duct (1) accounts for the 0~7% of total blast volume, the air-flow in air/lean gas replaceable type air duct (3) account for total blast volume 0~
20%, center lean gas air duct (1) and the total amount of air/lean gas replaceable type air duct (3) interior lean gas are less than or equal to total blast volume
20%, the air-flow in First air air duct (2) accounts for the 15%~20% of total blast volume, and the air-flow in inner second air air duct (6) accounts for total wind
The 30~40% of amount；40%~55% of air quantity duty gas demand in outer second air air duct (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810496601.4A CN108443868B (en) | 2018-05-22 | 2018-05-22 | Air/lean gas replaceable low NO x Swirl burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810496601.4A CN108443868B (en) | 2018-05-22 | 2018-05-22 | Air/lean gas replaceable low NO x Swirl burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108443868A true CN108443868A (en) | 2018-08-24 |
| CN108443868B CN108443868B (en) | 2024-04-16 |
Family
ID=63204426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810496601.4A Active CN108443868B (en) | 2018-05-22 | 2018-05-22 | Air/lean gas replaceable low NO x Swirl burner |
Country Status (1)
| Country | Link |
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| CN (1) | CN108443868B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112484036A (en) * | 2020-10-23 | 2021-03-12 | 西安交通大学 | Stepless peak regulation coupling pyrolysis combustor and combustion system |
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|---|---|---|---|---|
| GB715275A (en) * | 1951-07-04 | 1954-09-08 | George Korab Rulikowski | Improvements in means for heating the interiors of motor cars, aircraft, motor boatsand the like |
| CN101644431A (en) * | 2009-08-31 | 2010-02-10 | 中国计量学院 | Self-stabilizing three-stage air-distribution low-NOx pulverized coal burner |
| CN202884901U (en) * | 2012-09-27 | 2013-04-17 | 烟台龙源电力技术股份有限公司 | Boiler capable of realizing reignition of exhaust gas coal powder by using high-temperature flue gas and reducing NOx |
| CN204648216U (en) * | 2015-02-13 | 2015-09-16 | 广东碳中和能源开发有限公司 | A kind of Problem of Biomass Fuel Gas Combustion installment with UTILIZATION OF VESIDUAL HEAT IN |
| CN205640882U (en) * | 2016-05-25 | 2016-10-12 | 上海华之邦科技股份有限公司 | System for gas recirculation reduces NOx and discharges |
| CN106287667A (en) * | 2016-10-08 | 2017-01-04 | 西安交通大学 | A kind of high temperature gases recirculating preheating type low-NOx combustor being provided with SOFA |
| CN107559817A (en) * | 2017-09-21 | 2018-01-09 | 哈尔滨工业大学 | A kind of swirling pulverized coal combustion device and method using flue gas recirculation |
| CN208418703U (en) * | 2018-05-22 | 2019-01-22 | 西安交通大学 | A kind of air/lean gas replaceable type low NOx cyclone burner |
-
2018
- 2018-05-22 CN CN201810496601.4A patent/CN108443868B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB715275A (en) * | 1951-07-04 | 1954-09-08 | George Korab Rulikowski | Improvements in means for heating the interiors of motor cars, aircraft, motor boatsand the like |
| CN101644431A (en) * | 2009-08-31 | 2010-02-10 | 中国计量学院 | Self-stabilizing three-stage air-distribution low-NOx pulverized coal burner |
| CN202884901U (en) * | 2012-09-27 | 2013-04-17 | 烟台龙源电力技术股份有限公司 | Boiler capable of realizing reignition of exhaust gas coal powder by using high-temperature flue gas and reducing NOx |
| CN204648216U (en) * | 2015-02-13 | 2015-09-16 | 广东碳中和能源开发有限公司 | A kind of Problem of Biomass Fuel Gas Combustion installment with UTILIZATION OF VESIDUAL HEAT IN |
| CN205640882U (en) * | 2016-05-25 | 2016-10-12 | 上海华之邦科技股份有限公司 | System for gas recirculation reduces NOx and discharges |
| CN106287667A (en) * | 2016-10-08 | 2017-01-04 | 西安交通大学 | A kind of high temperature gases recirculating preheating type low-NOx combustor being provided with SOFA |
| CN107559817A (en) * | 2017-09-21 | 2018-01-09 | 哈尔滨工业大学 | A kind of swirling pulverized coal combustion device and method using flue gas recirculation |
| CN208418703U (en) * | 2018-05-22 | 2019-01-22 | 西安交通大学 | A kind of air/lean gas replaceable type low NOx cyclone burner |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112484036A (en) * | 2020-10-23 | 2021-03-12 | 西安交通大学 | Stepless peak regulation coupling pyrolysis combustor and combustion system |
| CN112484036B (en) * | 2020-10-23 | 2022-06-07 | 西安交通大学 | Stepless peak regulation coupling pyrolysis combustor and combustion system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108443868B (en) | 2024-04-16 |
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