CN108253412A - A kind of adjustable air supply device of Oil-combustion combusting machine fractional combustion - Google Patents
A kind of adjustable air supply device of Oil-combustion combusting machine fractional combustion Download PDFInfo
- Publication number
- CN108253412A CN108253412A CN201810209445.9A CN201810209445A CN108253412A CN 108253412 A CN108253412 A CN 108253412A CN 201810209445 A CN201810209445 A CN 201810209445A CN 108253412 A CN108253412 A CN 108253412A
- Authority
- CN
- China
- Prior art keywords
- annular
- column main
- air
- main wind
- wind tube
- Prior art date
- 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.)
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Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 46
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 239000000446 fuel Substances 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical class [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000013589 supplement Substances 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
- F23C7/02—Disposition of air supply not passing through burner
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N3/00—Regulating air supply or draught
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The present invention is specially a kind of adjustable air supply device of Oil-combustion combusting machine fractional combustion, and solving the problems, such as existing Oil-combustion combusting machine air supply device, there are structure bulky, of high cost and First air and Secondary Air air quantity are poorer than Adjustment precision, time-consuming and laborious.Including air quantity adjusting mechanism and column main wind tube, column main wind tube upper end is provided with combustor wind turbine, stable flame pan is provided in column main wind tube, the lateral wall of column main wind tube is provided with annular overhead gage and annular lower baffle plate, secondary air duct is provided on the downside of annular lower baffle plate, the hollow adjusting ring of annular is provided between annular overhead gage and annular lower baffle plate；Air quantity adjusting mechanism includes secondary air hole, and the inner wall of the hollow adjusting ring of annular is uncovered structure, is uniformly provided with several air inlet holes on the lower face of the hollow adjusting ring of annular, air inlet hole I is provided on annular lower baffle plate.The present invention realize easily and fast First air and Secondary Air air quantity than accurate adjustment, and light structure, at low cost, remarkable in economical benefits.
Description
Technical field
The present invention relates to the air supply device of combustor, specially a kind of Oil-combustion combusting machine fractional combustion is filled with adjustable air feed
It puts.
Background technology
Oil-combustion combusting machine fractional combustion refers to that First air supply cannot meet the air capacity of burning in combustion, make
The atmosphere of winner combustion zone is reducing atmosphere, so as to reduce the temperature of combustion zone, reduces the production of thermal NO
It is raw, then in main burning area flame front or periphery supplement Secondary Air, the full combustion of fuel for making main burning area uncombusted, classification
Combustion Energy effectively lowers aflame nitrogen oxides, to meet increasingly strict combustion emission requirement.
Existing Oil-combustion combusting machine staged combustion device distinguishes air feed using two wind turbines mostly, and structure is more heavy, into
This is higher, and can not accurately adjust the air quantity ratio of First air and Secondary Air, and operation is time-consuming and laborious.
Invention content
There are structure bulky, of high cost and First airs and two in order to solve existing Oil-combustion combusting machine air supply device by the present invention
The problem of secondary wind air quantity is poorer than Adjustment precision, time-consuming and laborious provides a kind of adjustable air feed of Oil-combustion combusting machine fractional combustion
Device.
The present invention adopts the following technical scheme that realization：A kind of Oil-combustion combusting machine fractional combustion is filled with adjustable air feed
It puts, including air quantity adjusting mechanism and lower end and the column main wind tube of combustor combustion chamber, column main wind tube upper end is provided with
The combustor wind turbine communicated therewith is provided with the stable flame pan positioned at its underpart, the lateral wall of column main wind tube in column main wind tube
Annular overhead gage and annular lower baffle plate are provided with, is provided on the downside of annular lower baffle plate and is sleeved on column main wind tube outside and and combustor
The secondary air duct of secondary air channel connection is provided with the ring being sleeved on column main wind tube between annular overhead gage and annular lower baffle plate
The hollow adjusting ring of shape；Air quantity adjusting mechanism include being uniformly arranged on column main wind tube side wall and with the hollow adjusting ring position of annular
Corresponding secondary air hole, the inner wall of the hollow adjusting ring of annular is uncovered structure, is uniformly opened on the lower face of the hollow adjusting ring of annular
There are several air inlet holes, air inlet hole I corresponding with air inlet hole site is provided on annular lower baffle plate.
In use, after combustor wind turbine is opened, the high-speed flow of generation is divided into two parts, and a part enters the main wind of column
Cylinder is blown out through one end of stable flame pan and nozzle, and the fuel combustion after supply atomization, another part air enters ring through secondary air hole
The hollow adjusting ring of shape, before which enters the secondary air channel of combustor and reach combustor through air inlet hole and air inlet hole I
Aftercombustion is held, at the same time, the hole of air inlet hole and air inlet hole I is adjusted, and then adjust by the hollow adjusting ring of rotary annular
Save secondary air flow, realize easily and fast First air and Secondary Air air quantity than accurate adjusting, overcome existing Oil-combustion combusting machine
With air supply device there are structure bulky, of high cost and First air and Secondary Air air quantity are poorer than Adjustment precision, time-consuming and laborious the problem of.
The adjustable air supply device of a kind of Oil-combustion combusting machine fractional combustion, including air quantity adjusting mechanism and lower end and combustor
The column main wind tube of combustion chamber, column main wind tube upper end are provided with the combustor wind turbine communicated therewith, in column main wind tube
The stable flame pan positioned at its underpart is provided with, the lateral wall of column main wind tube is provided with annular overhead gage and annular lower baffle plate, annular
The secondary air duct for being sleeved on and connecting on the outside of column main wind tube and with combustor secondary air channel is provided on the downside of lower baffle plate, is kept off in annular
The hollow adjusting ring of annular being sleeved on column main wind tube is provided between plate and annular lower baffle plate；Air quantity adjusting mechanism includes uniformly distributed
Be arranged on column main wind tube side wall and air inlet hole II corresponding with the hollow adjusting ring position of annular, the hollow adjusting ring of annular it is interior
Air inlet hole III corresponding with air inlet hole II positions is provided on wall, is uncovered structure on the lower face of the hollow adjusting ring of annular, it is annular
Several secondary air hole I are uniformly provided on lower baffle plate.
In use, after combustor wind turbine is opened, the high-speed flow of generation is divided into two parts, and a part enters the main wind of column
Cylinder is blown out through one end of stable flame pan and nozzle, and the fuel combustion after supply atomization, another part air is through air inlet hole II and air inlet
Hole III enters the hollow adjusting ring of annular, which enters the secondary air channel of combustor through secondary air hole I and reach burning
At the same time the aftercombustion of machine front end, the hole of air inlet hole II and air inlet hole III is adjusted by the hollow adjusting ring of rotary annular
Gap, and then adjust secondary air flow, realize easily and fast First air and Secondary Air air quantity than accurate adjusting, overcome existing combustion
Oil firing machine air supply device is there are structure bulky, of high cost and First air and Secondary Air air quantity are poorer than Adjustment precision, time-consuming take
The problem of power.
The present invention is reasonable in design reliable, coordinates air quantity adjusting mechanism that can realize easily and fast by a Fans
First air and Secondary Air air quantity than accurate adjustment, and light structure, at low cost, remarkable in economical benefits, have it is simple in structure,
The advantages of easy to process and at low cost.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the schematic cross-sectional view of A-A in Fig. 1；
Fig. 3 is the schematic cross-sectional view of B-B in Fig. 1；
Fig. 4 is the structure diagram of another air quantity adjusting mechanism in Fig. 1.
In figure：1- combustion chambers, 2- column main wind tubes, 3- combustor wind turbines, 4- stable flame pans, 5- annular overhead gages, 6- annulars
Lower baffle plate, 7- secondary air channels, bis- air ducts of 8-, the hollow adjusting ring of 9- annulars, 10- secondary air holes, 11- air inlet holes, 12- air inlets
Hole I, 13- air inlet hole II, 14- air inlet hole III, 15- secondary air hole I, 16- main air door.
Specific embodiment
The adjustable air supply device of a kind of Oil-combustion combusting machine fractional combustion, including air quantity adjusting mechanism and lower end and combustor
The column main wind tube 2 that combustion chamber 1 connects, 2 upper end of column main wind tube is provided with the combustor wind turbine 3 communicated therewith, the main wind of column
The stable flame pan 4 positioned at its underpart is provided in cylinder 2, the lateral wall of column main wind tube 2 is provided with annular overhead gage 5 and annular lower block
Plate 6, annular 6 downside of lower baffle plate are provided with the Secondary Air for being sleeved on 2 outside of column main wind tube and being connected with combustor secondary air channel 7
Cylinder 8 is provided with the hollow adjusting ring 9 of annular being sleeved on column main wind tube 2 between annular overhead gage 5 and annular lower baffle plate 6；Air quantity
Regulating mechanism includes being uniformly arranged on 2 side wall of column main wind tube and secondary air hole corresponding with hollow 9 position of adjusting ring of annular
10, the inner wall of the hollow adjusting ring 9 of annular is uncovered structure, and several air inlets are uniformly provided on the lower face of the hollow adjusting ring 9 of annular
Hole 11 is provided with air inlet hole I12 corresponding with 11 position of air inlet hole on annular lower baffle plate 6.
The adjustable air supply device of a kind of Oil-combustion combusting machine fractional combustion, including air quantity adjusting mechanism and lower end and combustor
The column main wind tube 2 that combustion chamber 1 connects, 2 upper end of column main wind tube is provided with the combustor wind turbine 3 communicated therewith, the main wind of column
The stable flame pan 4 positioned at its underpart is provided in cylinder 2, the lateral wall of column main wind tube 2 is provided with annular overhead gage 5 and annular lower block
Plate 6, annular 6 downside of lower baffle plate are provided with the Secondary Air for being sleeved on 2 outside of column main wind tube and being connected with combustor secondary air channel 7
Cylinder 8 is provided with the hollow adjusting ring 9 of annular being sleeved on column main wind tube 2 between annular overhead gage 5 and annular lower baffle plate 6；Air quantity
Regulating mechanism includes being uniformly arranged on 2 side wall of column main wind tube and air inlet hole corresponding with hollow 9 position of adjusting ring of annular
II13 is provided with air inlet hole III14 corresponding with air inlet hole II13 positions, the hollow tune of annular on the inner wall of the hollow adjusting ring 9 of annular
It is uncovered structure on the lower face of pitch circle 9, several secondary air hole I15 is uniformly provided on annular lower baffle plate 6.
In specific implementation process, air inlet hole 11, air inlet hole I12, air inlet hole II13 and air inlet hole III14 are arc-shaped length
Hole；By regulating main air door 16, with flue gas analyzer sampling analysis, when coefficient of excess air reaches 1.05-1.2, air and
Fuel has reached adaptation, and the hollow adjusting ring 9 of rotation annular then changes the ratio of First air and Secondary Air, cigarette is used in adjusting
Qi leel analyzer detects discharged nitrous oxides, and to reach the minimum discharge of nitrogen oxides, in general First air and Secondary Air match
About 7:3-8:2 is proper, and it is excessive that too low primary air flow can so that combustion zone temperature reduces.
Claims (2)
1. a kind of adjustable air supply device of Oil-combustion combusting machine fractional combustion, it is characterised in that：Including air quantity adjusting mechanism under
End and combustor combustion chamber（1）The column main wind tube of connection（2）, column main wind tube（2）Upper end is provided with the burning communicated therewith
Machine wind turbine（3）, column main wind tube（2）Inside it is provided with the stable flame pan positioned at its underpart（4）, column main wind tube（2）Lateral wall set
It is equipped with annular overhead gage（5）With annular lower baffle plate（6）, annular lower baffle plate（6）Downside, which is provided with, is sleeved on column main wind tube（2）Outside
And with combustor secondary air channel（7）The secondary air duct of connection（8）, annular overhead gage（5）With annular lower baffle plate（6）Between set
It is sleeved on column main wind tube（2）On the hollow adjusting ring of annular（9）；Air quantity adjusting mechanism includes being uniformly arranged in column main wind tube
（2）On side wall and with the hollow adjusting ring of annular（9）The corresponding secondary air hole in position（10）, the hollow adjusting ring of annular（9）Inner wall
For uncovered structure, the hollow adjusting ring of annular（9）Lower face on be uniformly provided with several air inlet holes（11）, annular lower baffle plate（6）On
It is provided with and air inlet hole（11）The corresponding air inlet hole I in position（12）.
2. a kind of adjustable air supply device of Oil-combustion combusting machine fractional combustion, it is characterised in that：Including air quantity adjusting mechanism under
End and combustor combustion chamber（1）The column main wind tube of connection（2）, column main wind tube（2）Upper end is provided with the burning communicated therewith
Machine wind turbine（3）, column main wind tube（2）Inside it is provided with the stable flame pan positioned at its underpart（4）, column main wind tube（2）Lateral wall set
It is equipped with annular overhead gage（5）With annular lower baffle plate（6）, annular lower baffle plate（6）Downside, which is provided with, is sleeved on column main wind tube（2）Outside
And with combustor secondary air channel（7）The secondary air duct of connection（8）, annular overhead gage（5）With annular lower baffle plate（6）Between set
It is sleeved on column main wind tube（2）On the hollow adjusting ring of annular（9）；Air quantity adjusting mechanism includes being uniformly arranged in column main wind tube
（2）On side wall and with the hollow adjusting ring of annular（9）The corresponding air inlet hole II in position（13）, the hollow adjusting ring of annular（9）Inner wall
On be provided with and air inlet hole II（13）The corresponding air inlet hole III in position（14）, the hollow adjusting ring of annular（9）Lower face on be open
Structure, annular lower baffle plate（6）On be uniformly provided with several secondary air hole I（15）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810209445.9A CN108253412A (en) | 2018-03-14 | 2018-03-14 | A kind of adjustable air supply device of Oil-combustion combusting machine fractional combustion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810209445.9A CN108253412A (en) | 2018-03-14 | 2018-03-14 | A kind of adjustable air supply device of Oil-combustion combusting machine fractional combustion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108253412A true CN108253412A (en) | 2018-07-06 |
Family
ID=62746909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810209445.9A Withdrawn CN108253412A (en) | 2018-03-14 | 2018-03-14 | A kind of adjustable air supply device of Oil-combustion combusting machine fractional combustion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108253412A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519958A (en) * | 2018-12-28 | 2019-03-26 | 启明星宇节能科技股份有限公司 | The fresh air flue gas proportion adjustment equipment of low nitrogen burning |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2331860Y (en) * | 1998-01-20 | 1999-08-04 | 成都发动机公司 | Device for controlling first and sencond air quantity proportioning for combustion machine |
| CN201628224U (en) * | 2010-04-09 | 2010-11-10 | 中冶南方(武汉)威仕工业炉有限公司 | Combustion-supporting air grading adjusting device for grading combustor |
| CN204084340U (en) * | 2014-03-13 | 2015-01-07 | 青岛立宇科技开发有限公司 | The secondary-wind distributing device of pulverized-coal fired boiler |
| CN104748118A (en) * | 2015-01-30 | 2015-07-01 | 中国东方电气集团有限公司 | Rotational-flow-adjustable gas burner |
| CN205351318U (en) * | 2015-11-27 | 2016-06-29 | 北京航天动力研究所 | Air classification hangs down NOx gas burner with adjustable whirl intensity |
| CN106568083A (en) * | 2016-11-07 | 2017-04-19 | 北京航天石化技术装备工程有限公司 | Side wall low-nitric-oxide gas burner of cracking furnace |
| CN207922208U (en) * | 2018-03-14 | 2018-09-28 | 山西煜能科技开发有限公司 | A kind of adjustable air supply device of Oil-combustion combusting machine fractional combustion |
-
2018
- 2018-03-14 CN CN201810209445.9A patent/CN108253412A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2331860Y (en) * | 1998-01-20 | 1999-08-04 | 成都发动机公司 | Device for controlling first and sencond air quantity proportioning for combustion machine |
| CN201628224U (en) * | 2010-04-09 | 2010-11-10 | 中冶南方(武汉)威仕工业炉有限公司 | Combustion-supporting air grading adjusting device for grading combustor |
| CN204084340U (en) * | 2014-03-13 | 2015-01-07 | 青岛立宇科技开发有限公司 | The secondary-wind distributing device of pulverized-coal fired boiler |
| CN104748118A (en) * | 2015-01-30 | 2015-07-01 | 中国东方电气集团有限公司 | Rotational-flow-adjustable gas burner |
| CN205351318U (en) * | 2015-11-27 | 2016-06-29 | 北京航天动力研究所 | Air classification hangs down NOx gas burner with adjustable whirl intensity |
| CN106568083A (en) * | 2016-11-07 | 2017-04-19 | 北京航天石化技术装备工程有限公司 | Side wall low-nitric-oxide gas burner of cracking furnace |
| CN207922208U (en) * | 2018-03-14 | 2018-09-28 | 山西煜能科技开发有限公司 | A kind of adjustable air supply device of Oil-combustion combusting machine fractional combustion |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519958A (en) * | 2018-12-28 | 2019-03-26 | 启明星宇节能科技股份有限公司 | The fresh air flue gas proportion adjustment equipment of low nitrogen burning |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180706 |