CN108800203A - The oil ignition system and method for circulating fluidized bed boiler - Google Patents
The oil ignition system and method for circulating fluidized bed boiler Download PDFInfo
- Publication number
- CN108800203A CN108800203A CN201810730914.1A CN201810730914A CN108800203A CN 108800203 A CN108800203 A CN 108800203A CN 201810730914 A CN201810730914 A CN 201810730914A CN 108800203 A CN108800203 A CN 108800203A
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- CN
- China
- Prior art keywords
- oil
- door
- wind
- igniter
- ignition
- 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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q13/00—Igniters not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/10—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/36—Details, e.g. burner cooling means, noise reduction means
Abstract
The invention discloses the oil ignition system of circulating fluidized bed boiler and method, including atomising device, the atomising device has type of igniter pilot for providing atomization wind and fogging oil, the atomization wind and fogging oil respectively in ignition pot.This sparking mode of the present invention equipped with atomization wind starts fast, saving oil consumption, when not carrying out atomization wind, oil pressure cntrol light a fire in 1.2-1.5MPa, atomization wind is carried out with postponing, oil pressure cntrol of the present invention is controlled in 0.5MPa, wind pressure in 0.5MPa, keep the mist of oilization that oil gun sprays good, then igniter point burns well, temperature rise speed carries fast, and the heat utilization efficiency of oil fuel is high, the energy has been saved, the waste of human resources is reduced.
Description
Technical field
The present invention relates to oil drop ignition technique fields, more particularly to the oil ignition system and method for circulating fluidized bed boiler.
Background technology
Oil ignition system is an important auxiliary system of circulating fluidized bed boiler, and when igniting is lighted a fire with torch, and burner hearth is negative
Pressure adjustment is bad, results in putting out a fire, the duration of ignition is long, also causes big bed coking sometimes, has not only influenced the normal startup of boiler, but also meeting
Cause the waste of manpower and materials.
The duration of ignition is slightly long, since the combustible of oil gathers excessively, in fact it could happen that burner explodes, and makes boiler that can not open
It is dynamic, it can only shutdown maintenance, it is also possible to the safety of crisis personnel.
When boiler can not normally start, affects the electricity consumption of user and with vapour, boiler user can be made to bring about great losses.
In conclusion for the problem that Initial Stage after Ignition, big bed is led because uneven heating causes local coking and the duration of ignition to be grown
The appearance of cause can burner detonation the problem of, at present still without solution.
Invention content
In order to solve the deficiencies in the prior art, the present invention provides the oil ignition system of circulating fluidized bed boiler, the systems
This sparking mode equipped with atomization wind starts fast, saving oil consumption, be atomized wind with postponing, oil pressure cntrol is in 0.5MPa, wind
Voltage-controlled system keeps the mist of oilization that oil gun sprays good in 0.5MPa, and igniter lights that after-combustion is good, and temperature rise speed carries fast, oil
The heat utilization efficiency of fuel is high, has saved the energy, has reduced the waste of human resources.
The oil ignition system of circulating fluidized bed boiler, including atomising device, the atomising device for providing atomization respectively
Wind and fogging oil, the atomization wind and fogging oil have type of igniter pilot in ignition pot.
Further preferred technical solution, the atomising device include that the compressed air that is arranged on compressed air pipe is total
, it is also equipped with the compressed air door being arranged in side, the compression on another pipeline being connected with the compressed air pipe
Air gate is connected to the igniter in ignition pot by pipeline, by controlling the total door of compressed air and the compression sky in side being arranged
The size control of valve enters the amount of the compressed air of the igniter in ignition pot；
The atomising device further includes the total door of oil inlet being arranged on oil line pipe, and the total door of oil inlet is connected by pipeline
To oil gun, oil gun is connected to the igniter in ignition pot, and oil gun manually operated door and oil gun electromagnetic valve are provided on the oil gun, leads to
The size control for crossing the total door of control oil inlet, oil gun manually operated door and oil gun electromagnetic valve enters the oil mass of the igniter in ignition pot.
Further preferred technical solution, the total door of oil inlet are additionally coupled to oil tank, one end of the oil tank by oil again
Cycle door is connected to the total door of oil inlet, and the other end of the oil tank is connected to the total door in outlet of oil, and the total door in outlet of the oil passes through
Oil pump is connected to the total door of the oil inlet.
Further preferred technical solution, the oil pump include two, and the both ends of each oil pump are each configured with throttle, institute
It states oil tank and is additionally provided with tank air door and oil tank sewage door.
A kind of operating method of the oil ignition system of circulating fluidized bed boiler, including：
It checks and determines internal system oil-free, igniter is extracted out, by igniting experiments, determine that igniter sparking is normal；
Then igniter is promoted into position, starts oil pump adjusting oil pressure and reaches igniting oil pressure；
Open burning the small air door of wind and atomization wind, after being purged to oil system, by igniting generate spark, open oil circuit into
Throttle is able to observe that and catches fire immediately, if loss of ignition, stops oil inlet immediately, and opens large-scale combustion wind and blow combustion chamber
Sweep, check it is without exception after light a fire again, after light a fire successfully, igniter is exited, controls the slow rising of temperature, with burn wind into
Row regulation and control.
Further preferred technical solution starts oil pump adjusting oil pressure and reaches igniting oil pressure, specially：Open the outlet of oil
The throttle of total door, oil pump adjusts oily recirculation door, and control oil pressure is in setting value.
Further preferred technical solution opens the burning small air door of wind and atomization wind, specially：It opens and adjusts compression sky
The total door of gas, side compressed air door, control wind pressure is in setting value.
Compared with prior art, the beneficial effects of the invention are as follows：
This sparking mode of the present invention equipped with atomization wind starts fast, saving oil consumption, when not carrying out atomization wind, igniting
Oil pressure cntrol carries out atomization wind with postponing, oil pressure cntrol of the present invention exists in 0.5MPa, wind pressure control in 1.2-1.5MPa
0.5MPa keeps the mist of oilization that oil gun sprays good, and then igniter point burns well, temperature rise speed carries fast, the heat of oil fuel
Utilization rate is high, has saved the energy, has reduced the waste of human resources.
The atomization wind sparking mode of the present invention solves the problem of the big bed of Initial Stage after Ignition because uneven heating causes local coking,
The harm of processing coke button is brought to operating personnel.
The present invention be boiler safety startup lays a good foundation, appearance can burner detonation the phenomenon that.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not constitute the improper restriction to the application for explaining the application.
Fig. 1 is that the system structure of the application is illustrated；
In figure, 1 --- oil tank；2 --- tank air door；3 --- oil tank sewage door；4 --- the total door in oily outlet；
5 --- #1 oil pumps；6 --- #1 oil pump throttles；7 --- #2 oil pumps；8 --- #2 oil pump throttles；9 --- pressure gauge；10 --- oil
Recirculation door；11 --- the total door of compressed air；12 --- left side compressed air door；13 --- the total door of #9 stove oil inlets；14 --- oil
Rifle manually operated door；15 --- oil gun electromagnetic valve, 16 --- igniter；17 --- ignition pot.
Specific implementation mode
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
The oil ignition system of a kind of typical examples of implementation, circulating fluidized bed boiler includes ignition system, oil system, burning
Wind system and open combustion chamber system.
Wherein, ignition system mainly by：The compositions such as igniter, pushing mechanism, high pressure generator.Oil system mainly by：Oil
Pump, oil-flow control apparatus, atomising device, atomising device act as atomization wind atomization.It should be noted that compressed air access oil
It is the improvement of the present embodiment compared with prior art that rifle, which carries out atomization, and the improvement being embodied in structure is exactly to increase newly all the way
Compressed air.
Wind system burn by air quantity controller, air duct composition.Air quantity controller can be air door, air duct when being embodied
In wind be generally hot wind.
It is the combustion space that high-temperature heat-resistance material is constructed to open combustion chamber system, for the burning generation high-temperature flue gas of oil, and
Top igniting does not need high-temperature flue gas then.
About igniter introduction：Multi-purpose greatly is isolating high-pressure ignitor at present, i.e., generates high-tension current by high pressure generator,
It discharges at igniter tip, principle is ignited fogging oil by the spark of generation as electric prod, and atomization wind atomization is furnished with
Independent atomization wind system, is atomized using compress wind, similar sprayer.
In the present embodiment, atomising device includes the total door 11 of compressed air being arranged on compressed air pipe, and described
It is also equipped with the left side compressed air door 12 being arranged in left side, the compressed air on the connected another pipeline of compressed air pipe
Door is connected to the igniter 16 in ignition pot 17 by pipeline, by controlling the total door of compressed air and the compression sky in side being arranged
The size control of valve enters the amount of the compressed air of the igniter in ignition pot；
Atomising device further includes the total door 13 of #9 stove oil inlets being arranged on oil line pipe, and the total door of oil inlet is connected to by pipeline
Oil gun, oil gun are connected to the igniter in ignition pot, and oil gun manually operated door 14 and oil gun electromagnetic valve 15 are provided on the oil gun,
Size control by controlling the total door of oil inlet, oil gun manually operated door and oil gun electromagnetic valve enters the oil of the igniter in ignition pot
Amount.
The total door of oil inlet is additionally coupled to oil tank 1, and one end of the oil tank is connected to the total door of oil inlet, institute by oily recirculation door 10
The other end for stating oil tank is connected to the total door 4 in outlet of oil, and the total door in outlet of the oil is connected to the total door of the oil inlet by oil pump.
Oil pump includes #1 oil pumps 5 and #2 oil pumps 7, and the both ends of #1 oil pumps are connected separately with #1 oil pumps throttle 6, and the both ends of #2 oil pumps connect respectively
It is connected to #2 oil pumps throttle 8.The pressure gauge of detection pressure fuel pump is additionally provided on the pipeline between the total door of #9 stove oil inlets of oil pump
9。
Oil tank is additionally provided with tank air door 2 and oil tank sewage door 3.
The atomization wind of the present invention is specially compressed air and the fogging oil that atomized oil gun sprays, and has igniter in ignition pot
It ignites, makes the fully burning inside of oil and air.This road compressed air is only used in stove or boiler extinguishment starts oil
It is used when pump.It installs compressed air all the way additional on the basis of former pipeline, accesses ignition pot, this road compressed air is used in ash pump
Compressed air pipeline on take over, be increased without new equipment.
The course of work of igniting is：The total door 4 in outlet, #2 oil pumps throttle 8, oily recirculation door 10 for opening oil, start #2 oil
Pump 7 adjusts oily recirculation door 10, controls oil pressure 0.5MPa, opens the total door 11 of compressed air, left side compressed air door 12, control
Wind pressure 0.2MPa, opens the total door 13 of #9 stove oil inlets, and oil gun manually operated door 14, oil gun electromagnetic valve 15 open igniter 16, after lighting
The heat smoke of generation is sent into fluid bed by air distribution plate by First air and heats bottom material, and igniter 16 is the equipment of light fluid.
The technical principle of igniting is：Bed material is heated by air distribution plate into the heat smoke of fluidized bed, air compartment before lighting a fire
Both sides main air duct air door is closed, and device is opened after igniting.The heat smoke that oil gun generates after lighting is sent by First air by air distribution plate
Fluidized bed heats bottom material, and entire ignition process divides three phases.1) bed material heats：Bottom material is heated to ignition temperature.2) bottom
Expect detonation of catching fire：Bottom material, which reaches, centainly can suitably give fuel, is further made on bed temperature with safe combustion heat release after ignition temperature
It rises.3) normal operational parameters are transitioned into：With Boiler pressure control bed temperature the ratio of wind and fuel, gradually transition are regulated to fuel when opening
To normal operational parameters.When 850 DEG C of igniting later stage bed temperature or more, oil gun is withdrawn from time, and igniting air door is switched into main air duct wind
Door.
The principle of igniter：High-tension current is generated by high pressure generator, is discharged in igniter tip Zhong rows, principle and electricity
Rod is different, and fogging oil is ignited by the spark of generation.
Oil tank 1 is the equipment of oil in reserve.Oil tank sewage door 3 is the impurity that tank bottom is discharged.Oily recirculation door 10 be
It is when starting #2 oil pumps 7, oily recirculation door 10 is fully open, in case oil pressure superpressure, then adjusts oily recirculation door as needed
10。
The above system concrete operations of the application：It first checks for determining internal system oil-free, igniter is extracted out, by igniting
Experiment determines then igniter is promoted position by the normal of igniter sparking, starts oil pump adjusting oil pressure and reaches igniting oil pressure, opens
Burn the small air door of wind and atomization wind, and after being purged to oil system, spark is generated by igniting, opens oil circuit into throttle, observation dress
It sets and is able to observe that and catches fire immediately, if it find that loss of ignition, stops oil inlet immediately, and open large-scale combustion wind and combustion chamber is blown
It sweeps, lights a fire again after inspection is without exception, after lighting a fire successfully, igniter is exited and (prevents from burning out igniter), control the slow of temperature
It is slow to rise, it can be regulated and controled with burning wind, it should be noted that：Igniting is to start in boiler fan, and maintain fluidized wind
It is carried out in the case of amount.
The foregoing is merely the preferred embodiments of the application, are not intended to limit this application, for the skill of this field
For art personnel, the application can have various modifications and variations.Within the spirit and principles of this application, any made by repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (8)
1. the oil ignition system of circulating fluidized bed boiler, characterized in that including atomising device, the atomising device for carrying respectively
There is type of igniter pilot in ignition pot for atomization wind and fogging oil, the atomization wind and fogging oil.
2. the oil ignition system of circulating fluidized bed boiler as described in claim 1, characterized in that the atomising device includes setting
The total door of compressed air on compressed air pipe is set, is also equipped with and sets on another pipeline being connected with the compressed air pipe
The compressed air door in side is set, the compressed air door is connected to the igniter in ignition pot by pipeline, is pressed by controlling
The total door of contracting air and the compressed air that the size control in the compressed air door of side enters the igniter in ignition pot is set
Amount.
3. the oil ignition system of circulating fluidized bed boiler as claimed in claim 2, characterized in that the atomising device further includes
The total door of oil inlet being arranged on oil line pipe, the total door of oil inlet are connected to oil gun by pipeline, and oil gun is connected in ignition pot
Igniter, be provided with oil gun manually operated door and oil gun electromagnetic valve on the oil gun, pass through and control the total door of oil inlet, oil gun manually operated door
And the size control of oil gun electromagnetic valve enters the oil mass of the igniter in ignition pot.
4. the oil ignition system of circulating fluidized bed boiler as claimed in claim 3, characterized in that the total door of oil inlet is also connected with
To oil tank, one end of the oil tank is connected to the total door of oil inlet by oily recirculation door, and the other end of the oil tank is connected to oil
Total door is exported, the total door in outlet of the oil is connected to the total door of the oil inlet by oil pump.
5. the oil ignition system of circulating fluidized bed boiler as described in claim 1, characterized in that the oil pump includes two,
The both ends of each oil pump are each configured with throttle, and the oil tank is additionally provided with tank air door and oil tank sewage door.
6. a kind of operating method of the oil ignition system of circulating fluidized bed boiler, characterized in that including：
It checks and determines internal system oil-free, igniter is extracted out, by igniting experiments, determine that igniter sparking is normal；
Then igniter is promoted into position, starts oil pump adjusting oil pressure and reaches igniting oil pressure；
The burning small air door of wind and atomization wind are opened, after being purged to oil system, spark is generated by igniting, opens oil circuit oil inlet
Door, is able to observe that and catches fire immediately, if loss of ignition, stop oil inlet immediately, and open large-scale combustion wind and purged to combustion chamber,
Check it is without exception after light a fire again, after lighting a fire successfully, igniter is exited, controls the slow rising of temperature, with burning wind carry out
Regulation and control.
7. a kind of operating method of the oil ignition system of circulating fluidized bed boiler described in claim 6, characterized in that start oil
Pump adjusts oil pressure and reaches igniting oil pressure, specially：The total door in outlet of oil, the throttle of oil pump are opened, oily recirculation door, control are adjusted
Oil pressure is in setting value.
8. a kind of operating method of the oil ignition system of circulating fluidized bed boiler described in claim 6, characterized in that open combustion
The small air door of wind and atomization wind are burnt, specially：The total door of compressed air, side compressed air door are opened and adjust, control wind pressure is being set
Definite value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810730914.1A CN108800203B (en) | 2018-07-05 | 2018-07-05 | Oil ignition system and method for circulating fluidized bed boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810730914.1A CN108800203B (en) | 2018-07-05 | 2018-07-05 | Oil ignition system and method for circulating fluidized bed boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108800203A true CN108800203A (en) | 2018-11-13 |
| CN108800203B CN108800203B (en) | 2021-02-02 |
Family
ID=64074995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810730914.1A Active CN108800203B (en) | 2018-07-05 | 2018-07-05 | Oil ignition system and method for circulating fluidized bed boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108800203B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112161293A (en) * | 2020-08-19 | 2021-01-01 | 华电电力科学研究院有限公司 | Optimization control method for improving boiler fuel oil automatic ignition success rate |
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| WO2011150012A2 (en) * | 2010-05-25 | 2011-12-01 | Exxonmobil Research And Engineering Company | Fluid injection nozzle for fluid bed reactors |
| CN201866766U (en) * | 2010-11-17 | 2011-06-15 | 上海神明控制工程有限公司 | Mechanical atomization oil gun with secondary atomization performance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112161293A (en) * | 2020-08-19 | 2021-01-01 | 华电电力科学研究院有限公司 | Optimization control method for improving boiler fuel oil automatic ignition success rate |
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| Publication number | Publication date |
|---|---|
| CN108800203B (en) | 2021-02-02 |
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