CN202532467U - Arrangement method of micro-oil ignition device - Google Patents
Arrangement method of micro-oil ignition device Download PDFInfo
- Publication number
- CN202532467U CN202532467U CN2011205495731U CN201120549573U CN202532467U CN 202532467 U CN202532467 U CN 202532467U CN 2011205495731 U CN2011205495731 U CN 2011205495731U CN 201120549573 U CN201120549573 U CN 201120549573U CN 202532467 U CN202532467 U CN 202532467U
- Authority
- CN
- China
- Prior art keywords
- igniter
- oil mass
- boiler
- little oil
- burner
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses an arrangement method of a micro-oil ignition device, in which a micro-oil ignition device, at least two layers of main combustors, a primary air pipeline and a secondary air pipeline are provided. An auxiliary combustor for installing the micro-oil ignition device is also provided. The auxiliary combustor is connected to the primary air pipeline which is closed after the completion of ignition. In the technical scheme, the micro-oil ignition device and the boiler main combustor are separated for design in terms of function. When the boiler is started, coal dust airflow is sent into the micro-oil ignition device for ignition and is injected into a hearth for combustion. When the boiler can conduct stable combustion, the micro-oil ignition device can be stopped, and the coal dust airflow is injected in to the hearth for continuous combustion through the main combustor of the boiler.
Description
Technical field
The utility model belongs to the thermal boiler field, relates to the arrangement of boiler-burner, relates in particular to a kind of arrangement of little oil mass igniter.
Background technology
The mode that traditional station boiler igniting is generally adopted is a grease gun igniting.First some oil combustion gun during boiler ignition start, oil behind the burning certain hour are heated to burner hearth the ignition temperature of breeze airflow in burner hearth, be blown into burner hearth with coal dust and carry out oily coal multifuel combustion this moment.When boiler reaches more than 50% load, when breeze airflow can smooth combustion, fuel oil is excised gradually, accomplish the boiler ignition start process.In order to practice thrift cost, reduce the fuel oil consumption of station boiler, lot of domestic and international company has developed multiple little oil mass igniter, and on a lot of station boilers, is widely used.
Little oil mass igniter is a kind of internally fired device, and it comes firing coal-dust by being installed in the inner little oil gun of burner, and pulverized coal flame sprays to burner hearth from burner inside.Because the main effect of this device is the stable wind breeze airflow of lighting a time when guaranteeing boiler startup, so the measure of taking during design concentrates on smooth combustion and prevents nozzle scaling loss aspect.And the main burner of boiler is a kind of device of external firing, generally requires a wind breeze airflow leaving burner nozzle 300mm～500mm place stable ignition, and flame does not spray to burner hearth from burner inside.So design philosophy, specification requirement and the major function of the main burner of little oil mass igniter and boiler are inconsistent.
Present little oil mass igniter is used as main burner again after igniting finishes usually.This has caused some problems, such as:
1) little oil mass igniter needs in burner inside to adopt a large amount of air film cooling airs, and when little oil mass igniter was used as main burner, this can cause the combustion stability of a wind breeze airflow to descend.
2) little oil mass igniter is not suitable for the structure that is designed to swing up and down usually; Even adopt swinging structure reluctantly; Effect is also bad, and the main burner of boiler all need design the structure that swings up and down, so because the difference on the function; Structure to whether being designed to swing up and down has very big influence, and the structure that swings up and down will have influence on the adjusting function of boiler temperature.
3) difficult deep or light mode or the horizontal bias mode up and down of adopting of little oil mass igniter; And the main burner of boiler much all need be designed to the burner of deep or light separation; So because difference on the function; Cause the boiler-burner difficult design, the burner performance of often having taken into account both is not good, causes the combustion stability of a wind breeze airflow to descend.
Summary of the invention
The purpose of the utility model is to present little oil mass igniter and the overlapping deficiency of bringing of boiler main burner functions, and a kind of arrangement of little oil mass igniter of the combustion stability ability that does not influence a wind breeze airflow is provided.
The thinking of the utility model is; Little oil mass igniter is used as a special ignition of the boiler device; Main burner with boiler separates on function fully; Help the little oil mass igniter of design more reasonable and the main burner of boiler, can give play to the optimum performance of two kinds of devices better.
In order to achieve the above object; The utility model adopts following technical solution to be achieved: a kind of arrangement of little oil mass igniter; Comprise little oil mass igniter, at least 2 layers of main burner, airduct road, secondary wind pipeline; Also comprise 1 layer of auxiliary burner that is used to install little oil mass igniter, auxiliary burner is connected with the airduct road one time, and an airduct road that leads to auxiliary burner is closed after igniting is accomplished.In the present technique scheme; With little oil mass igniter and the separately design on function of boiler main burner; During boiler startup, breeze airflow is sent into little oil mass igniter and is lighted and spray into burner hearth burning, treat that boiler can smooth combustion after; Close little oil mass igniter, breeze airflow then main burner through boiler sprays into burner hearth comes sustained combustion.Little oil mass igniter can only just be used when ignition of the boiler or low-load combustion-stabilizing.
Main burner and shared airduct road of auxiliary burner that little oil mass igniter is housed are equipped with the switching baffle plate on the airduct road between main burner and the auxiliary burner.
The main burner of little oil mass igniter and boiler is for arranging up and down, and the main burner of boiler is last, and little oil mass igniter is following.
The main burner of little oil mass igniter and boiler is for arranging up and down, and little oil mass igniter is last, and the main burner of boiler is following.
Little oil mass igniter is arranged between the main burner of two boilers.
The main burner of little oil mass igniter and boiler is a lateral arrangement, and little oil mass igniter is arranged in the main burner side of boiler.
The utility model has the advantages that: little oil mass igniter is internally fired device; The main burner of boiler is the device of external firing; Two kinds of device separately designs on function are made respectively, and subitem is installed can give full play to both performances; Help the more excellent little oil mass igniter of design performance and the burner of boiler, and design the arrangement of burner that is fit to more to multi-form boiler and different fire coals.The utility model, notion is distinct, and is simple in structure, reasonable in design, and investment and operating cost are moderate, and cost performance is high.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further to specify.
Position view (arranged beneath) and side view when little oil mass igniter of Fig. 1 and main burner corner tangential firing
Position view (arranged beneath) when little oil mass igniter of Fig. 2 and main burner front-back wall opposed firing
Position view (arranging between two burners) and side view when little oil mass igniter of Fig. 3 and main burner corner tangential firing
Little oil mass igniter of Fig. 4 and main burner position view (lateral arrangement)
The cross-section location sketch map of boiler when little oil mass igniter of Fig. 5 and main burner lateral arrangement
Description of reference numerals: A layer main burner 1, B layer main burner 2,3, wind pulverized coal channels 4 of auxiliary burner switch baffle plate 5, little oil mass igniter 6, turbulent burner 7, main burner 8.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed explanation, but the present invention is not limited to following embodiment.
With reference to Fig. 1, the arrangement of a kind of little oil mass igniter of the utility model, boiler adopts the corner tangential firing mode; The main burner of little oil mass igniter 6 and boiler is separately design on function, makes respectively, and subitem is installed; The main burner of boiler is A layer, B layer; Be arranged in the top, auxiliary burner 3 is arranged in the below, and little oil mass igniter 6 is installed in the auxiliary burner 3.The auxiliary burner 3 and 2 shared wind pulverized coal channels 4 of B layer main burner of little oil mass igniter 6 are housed, and this airduct road is equipped with and switches baffle plate 5, switches the coal dust amount of leading to little oil mass igniter 6 or boiler B layer main burner 2 through baffle plate 5.During ignition of the boiler, switch baffle plate, make whole breeze airflows be sent to plasma non-oil ignition device 6 and light and spray into the burner hearth burning; Treating in the boiler that local temperature field is elevated to can smooth combustion; And after can lighting A layer main burner 1, A layer burner input burning, continue to be elevated to can smooth combustion in the temperature field in the boiler; And after can lighting B layer main burner 2; Close little oil mass igniter 6 and switch baffle plate, no longer breeze airflow is sent to the auxiliary burner 3 that little oil mass igniter is housed, spray into burner hearth smooth combustion but be sent to B layer main burner 2.After little oil mass igniter 6 is finished the work, can withdraw from burner hearth protection.
With reference to Fig. 2, the difference of present embodiment and embodiment 1 is that boiler adopts front-back wall opposed firing mode, and little oil mass igniter 6 is following, and the turbulent burner 7 of boiler is last.Same through switching the baffle plate angle, breeze airflow is lighted through little oil mass igniter 6 is earlier sent into boiler, treat that boiler can smooth combustion after, change the baffle plate angle again, make breeze airflow spray into boiler combustion from the boiler main burner.
Embodiment 3
With reference to Fig. 3, the difference of present embodiment and embodiment 1 is that little oil mass igniter 6 is arranged between two main burners.Regulate through baffle plate, make breeze airflow light and spray into the burner hearth burning through little oil mass, treat that boiler can smooth combustion after, change baffle plate angle makes breeze airflow spray into boiler combustion from the boiler main burner.
With reference to Fig. 4 and Fig. 5, the difference of present embodiment and embodiment 1 is that little oil mass igniter 6 is arranged in main burner 8 sides.Regulate through baffle plate, make breeze airflow light and spray into the burner hearth burning through little oil mass, treat that boiler can smooth combustion after, change baffle plate angle makes breeze airflow spray into boiler combustion from boiler main burner 8.
Claims (6)
1. the arrangement of a little oil mass igniter; It is characterized in that; Comprise little oil mass igniter, at least 2 layers of main burner, airduct road, secondary wind pipeline, it is characterized in that, also comprise 1 layer of auxiliary burner that is used to install little oil mass igniter; Auxiliary burner is connected with the airduct road one time, and an airduct road that leads to auxiliary burner is closed after igniting is accomplished.
2. the arrangement of little oil mass igniter according to claim 1; It is characterized in that; Main burner and shared airduct road of auxiliary burner that little oil mass igniter is housed are equipped with the switching baffle plate on the airduct road between main burner and the auxiliary burner.
3. the arrangement of little oil mass igniter according to claim 1 and 2 is characterized in that, the main burner of little oil mass igniter and boiler is for arranging up and down, and the main burner of boiler is last, and little oil mass igniter is following.
4. the arrangement of little oil mass igniter according to claim 1 and 2 is characterized in that, the main burner of little oil mass igniter and boiler is for arranging up and down, and little oil mass igniter is last, and the main burner of boiler is following.
5. the arrangement of little oil mass igniter according to claim 1 and 2 is characterized in that, little oil mass igniter is arranged between the main burner of two boilers.
6. the arrangement of little oil mass igniter according to claim 1 and 2 is characterized in that, the main burner of little oil mass igniter and boiler is a lateral arrangement, and little oil mass igniter is arranged in the main burner side of boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205495731U CN202532467U (en) | 2011-12-23 | 2011-12-23 | Arrangement method of micro-oil ignition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205495731U CN202532467U (en) | 2011-12-23 | 2011-12-23 | Arrangement method of micro-oil ignition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202532467U true CN202532467U (en) | 2012-11-14 |
Family
ID=47133648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205495731U Expired - Lifetime CN202532467U (en) | 2011-12-23 | 2011-12-23 | Arrangement method of micro-oil ignition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202532467U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777892A (en) * | 2012-08-06 | 2012-11-14 | 贵州电力试验研究院 | Burner arrangement method and arrangement structure for power station boiler |
-
2011
- 2011-12-23 CN CN2011205495731U patent/CN202532467U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777892A (en) * | 2012-08-06 | 2012-11-14 | 贵州电力试验研究院 | Burner arrangement method and arrangement structure for power station boiler |
| CN102777892B (en) * | 2012-08-06 | 2015-08-19 | 贵州电力试验研究院 | The burner arrangement method of station boiler and arrangement |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101925780B (en) | Boiler structure | |
| CN201093488Y (en) | Horizontal shade type micro oil mass igniting powdered coal burner | |
| CN103836620B (en) | Oxygen-enriched micro-oil staged combustion device | |
| CN202532467U (en) | Arrangement method of micro-oil ignition device | |
| CN101135445A (en) | Micro-oil ignition coal powder combusting device | |
| CN200961855Y (en) | Plasma coal powder burner | |
| CN202532455U (en) | Arrangement mode of plasma oil-free ignition device | |
| CN101592337A (en) | Internal combustion ignition pulverized coal burner | |
| CN100532936C (en) | Multiple oil gun rounding arrangement micro-oil ignition coal power combusting device | |
| CN102818265B (en) | Application of heat-accumulating high-temperature air burning method in burner and burning furnace | |
| CN201081231Y (en) | Dense and thin oil-saving ignition powdered coal burner | |
| CN201885216U (en) | Tiny-oil ignition coal-water slurry boiler | |
| CN201177258Y (en) | Gas ignited pulverized-coal burner | |
| CN201159452Y (en) | Self-adapting ignition combustor of direct current boiler | |
| CN204786375U (en) | Buggy blunt body combustor that cracks | |
| CN211119325U (en) | Pulverized coal cyclone burner | |
| CN203797654U (en) | Split type pulverized-coal nozzle | |
| CN203478212U (en) | Energy-saving combined combustion boiler | |
| CN204648230U (en) | Be applicable to the burner using low heat value fuel oil and pluralities of fuel oil | |
| CN202647722U (en) | Oil saving igniting device of high-temperature boiler | |
| CN202188501U (en) | Ignition device for W-shaped flame boiler | |
| CN202501502U (en) | Electronic ignition device of combustor | |
| CN111911956B (en) | Primary fan starting method of boiler adopting micro-oil ignition starting mode | |
| CN203413687U (en) | Special fan-free furnace end for liquid fuel | |
| CN204388050U (en) | A kind of low nitrogen type burner for pulverized coal without the need to constant ignition source |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121114 |
|
| CX01 | Expiry of patent term |