CN107543155A - A kind of auxiliary burner and standby firing system and control method - Google Patents
A kind of auxiliary burner and standby firing system and control method Download PDFInfo
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- CN107543155A CN107543155A CN201710781384.9A CN201710781384A CN107543155A CN 107543155 A CN107543155 A CN 107543155A CN 201710781384 A CN201710781384 A CN 201710781384A CN 107543155 A CN107543155 A CN 107543155A
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- burner
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- auxiliary
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Abstract
The invention discloses a kind of auxiliary burner, including the burner with combustion chamber, burner are provided with burner；Burning torch, oil gun, flame detector, the first cooling wind delivery pipe and the second cooling wind delivery pipe are additionally provided with burner；The gun breech portion of burning torch is located at outside combustion chamber, and the pipette tips portion of burning torch stretches into combustion chamber and is connected with burner；The oil gas vent and combustion chamber of oil gun；Flame detector includes flame detector body and flame-detecting probe, and flame-detecting probe is located at the position of neighbouring burner；The air outlet of first cooling wind delivery pipe is positioned adjacent to the position in the pipette tips portion of burning torch；The air outlet of second cooling wind delivery pipe is positioned adjacent to the position of flame-detecting probe.The invention also discloses a kind of standby firing system and control method.The characteristics of auxiliary burner of the present invention has abundant ignition temperature height, fuel combustion, good cooling results and can prevent detonation.
Description
Technical field
The present invention relates to a kind of burner, and in particular to a kind of auxiliary burner and standby firing system and controlling party
Method.
Background technology
Incinerator is commonly used for a kind of innocent treatment equipment in terms of medical and life waste product, animal harmless treatment.
Its principle is using the burning of the fuel such as coal, fuel oil, combustion gas, object to be processed progress high temperature is destroyed by fire carbonization, to reach
The purpose of sterilization.Incinerator the whole series processing system is made up of following several parts:Combustion-supporting system, CIU, dust arrester system, electricity
Control system.The combustion-supporting system capital equipment of incinerator is oil burner, and oil burner mainly takes atomization technique, bubble atomization
Burner atomizing principles are：Fuel oil produces big gauging bag with atomizing medium (water vapour or compressed air) through bubble atomization generator
Vapour steam bubble, sprayed after mixing chamber is sufficiently mixed, due to higher differential pressure be present, so as to realize Demolition atomization.
There are the following problems for burner of the prior art：
1st, the temperature of incinerator auxiliary combustion can only achieve 600-700 DEG C, because bioxin must be in 850 DEG C of temperatures above
Middle stop more than 2 seconds could decompose, and open in stove or furnace shutting down process, and fire box temperature does not often reach 850 DEG C, can not effectively reduce
Discharge bioxin.
2nd, cooling air system design is unreasonable, frequent failure, in turn results in scaling loss, causes the furnace superintendent phase can without auxiliary burner
With.
3rd, igniter can not work every time, and deflagration accident easily occurs.
The content of the invention
For overcome the deficiencies in the prior art, an object of the present invention is to provide a kind of auxiliary burner, and it has
Ignition temperature is high, fuel combustion fully, good cooling results and the characteristics of detonation can be prevented.
The second object of the present invention is to provide a kind of standby firing system including auxiliary burner.
The third object of the present invention is to provide a kind of control method of standby firing system, and it has easy to control, work
The characteristics of making efficiency high.
An object of the present invention adopts the following technical scheme that realization：
A kind of auxiliary burner, including the burner with combustion chamber, the burner are provided with the combustion with combustion chamber
Burner；It is characterized in that：Burning torch, oil gun, flame detector, the first cooling wind delivery pipe and the are additionally provided with the burner
Two cooling wind delivery pipes；The gun breech portion of the burning torch is located at outside combustion chamber, and the pipette tips portion of the burning torch is stretched into combustion chamber
And it is connected with burner；The oil gas vent of the oil gun and the combustion chamber；The flame detector includes being arranged on combustion
Flame detector body in burner and the flame-detecting probe stretched into combustion chamber, the flame-detecting probe is positioned at neighbouring
The position of burner；The air outlet of the first cooling wind delivery pipe is positioned adjacent to the position in the pipette tips portion of burning torch；It is described
The air outlet of second cooling wind delivery pipe is positioned adjacent to the position of flame-detecting probe.
Further, the auxiliary burner also includes being used for the pneumatic booster for driving burner to move.
Further, the oil gun is air atomization oil gun.
Further, the auxiliary burner is additionally provided with combustion air conveyance conduit, the combustion air conveyance conduit
Gas outlet and the combustion chamber.
Further, the auxiliary burner is additionally provided with safety interlock protector.
The second object of the present invention adopts the following technical scheme that realization：
A kind of standby firing system, it is characterised in that：Including two auxiliary burners, compressed air conveying device, light oil
Conveying device；
The compressed air conveying device by compressed air tunnel respectively with the oil gun of two auxiliary burners
Air inlet connects；
The light oil conveying device is connected by oil inlet of the light oil conveyance conduit respectively with the oil gun of two auxiliary burners
Connect.
Further, the standby firing system also includes combustion air conveying device, the combustion air conveying device
It is connected by combustion chamber of the combustion air conveyance conduit respectively with two auxiliary burners.
Further, oil returning tube, the oil discharge outlet of the oil returning tube and oil storage are additionally provided with the light oil conveyance conduit
Device connects.
The third object of the present invention adopts the following technical scheme that realization：
A kind of control method of standby firing system, it is characterised in that including：
Light oil supplying step：Light oil is delivered to the oil inlet of two oil guns respectively by light oil conveying device, control is light
The mass flow of oil is more than 1600kg/h, pressure 0.8-1.0MPa；
Compressed air step：Compressed air is delivered to the air inlet of two oil guns respectively by compressed air conveying device
Mouthful, control the volume flow of compressed air to be more than 320Nm3/ h, pressure 0.6-0.8MPa；
Blend step：Light oil is sprayed into combustion chamber after being mixed with compressed air in oil gun through oil gas vent；
Lighting up procedure：After the completion of blend step, burner is advanced in burner hearth by pneumatic booster, then started a little
Firelock is lighted a fire；
Fire inspection step：After the completion of lighting up procedure, combustion case is detected by flame detector, was not detected by and has lighted a fire when 5 seconds
Into, then by pneumatic booster drive burner quickly exit, prevent detonation；
Cooling step：After successful ignition, the pipette tips portion of burning torch is entered by the first cooling wind delivery pipe conveying cooling wind
Row cooling, flame-detecting probe is cooled down by the second cooling wind delivery pipe conveying cooling wind.
Further, the blend step also includes combustion air input step：It will be helped by combustion air conveying device
Combustion air is delivered to the combustion chamber of two auxiliary burners respectively, controls the volume flow of combustion air to be more than 10090Nm3/ h,
Pressure is more than 2500Pa.
Compared with prior art, the beneficial effects of the present invention are：
1st, it is defeated to be provided with burning torch, oil gun, flame detector, the first cooling wind for the burner of auxiliary burner of the invention
Pipe and second is sent to cool down wind delivery pipe, it, as fuel, is come into operation using light diesel fuel when fire box temperature reaches 300 DEG C.Gas
Auxiliary burner is advanced in burner hearth by dynamic propeller, then starting ignition rifle, and the fuel oil of air atomization oil gun enters from gun body
Afterwards, combustion chamber is sprayed into through its internal flow mixing device, and compressed air sprays at a high speed combustion chamber through gun body, flow mixing device, in combustion chamber
Entrance has the high-speed compressed air shearing, rotation, impact oil stream of certain pressure, produces fluid film to oil gun exit, leans on
The effect rupture of surface tension, so as to form 70 μm or so of little particle, little particle contacts with the spark that burning torch is sent, and realizes
Ignition function.In order to prevent combustion damage, cooling wind is set to be used to protect near the pipette tips portion of burning torch, igniting detection probe
Protect burning torch.Therefore, it has the characteristics of ignition temperature is high, fuel combustion is abundant, good cooling results.
2nd, control method of the invention has the characteristics of easy to control, operating efficiency is high and can prevent detonation.Fire inspection dress
Detection combustion case is put, igniting was not detected when 5 seconds and completes, auxiliary burner is quickly exited by pneumatic booster, prevents detonation.
In addition, auxiliary burner uses 800Kg/h throwing oil mass, this oil stream amount can lift fire box temperature to more than 850 DEG C, and
Also surplus.Burner rating is lifted to 11MW from 7MW, because ignition temperature is enough so that the decomposition of bioxin is more preferable.
Brief description of the drawings
Fig. 1 is the structural representation of the auxiliary burner of embodiment 1；
Fig. 2 is the structural representation of the standby firing system of embodiment 2.
In figure：10th, auxiliary burner；11st, burner；111st, combustion chamber；112nd, burner；12nd, burning torch；13rd, oil gun；
14th, flame detector；15th, the first cooling wind delivery pipe；16th, the second cooling wind delivery pipe；20th, compressed air conveying device；21、
Compressed air tunnel；30th, light oil conveying device；31st, light oil conveyance conduit；32nd, oil returning tube；40th, combustion air conveys
Device；41st, combustion air conveyance conduit.
Embodiment
Below, with reference to accompanying drawing and embodiment, the present invention is described further, it is necessary to which explanation is, not
Under the premise of afoul, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.Employed in the present embodiment to material be commercially available.
Embodiment 1：
Reference picture 1, a kind of auxiliary burner 10, including the burner 11 with combustion chamber 111, burner 11 are provided with and combustion
Burn the burner 112 of room connection；It is defeated that burning torch 12, oil gun 13, the cooling wind of flame detector 14, first are additionally provided with burner 11
Pipe 15 and second is sent to cool down wind delivery pipe 16；
The gun breech portion of burning torch 12 is located at outside combustion chamber, and the pipette tips portion of burning torch 12 stretches into combustion chamber and and burner
112 connections；
The oil gas vent of oil gun 13 connects with combustion chamber 111；
Flame detector 14 includes the flame detector body being arranged on burner 11 and the fire stretched into combustion chamber
Flame detection probe, flame-detecting probe are located at the position of neighbouring burner 112；
The air outlet of first cooling wind delivery pipe 15 is positioned adjacent to the position in the pipette tips portion of burning torch 12；
The air outlet of second cooling wind delivery pipe 16 is positioned adjacent to the position of flame-detecting probe.
As preferred embodiment, auxiliary burner 10 also includes being used for the pneumatic booster for driving burner to move.
Using pneumatic propelling unit, throwing is moved back the time and greatly shortened, if in hot standby state, blower fan, oil pump etc. all in the state of unlatching,
Making time≤10 second, full cold conditions making time≤5 minute.Burner originally is thrown using the mode that is electric-only propulsion, hot standby state
Enter to need 3 minutes, cold conditions making time about needs 15 minutes, substantially increases operating efficiency.
As preferred embodiment, oil gun 13 is air atomization oil gun.Using air atomization oil gun, high pressure air
Medium atomization, the molecule after atomization is thin and uniform, and burning is more abundant, and elaioleucite change is little during load variations, flame profile
Also it is easily controlled, simple in construction, no blocking.Because atomizing effect is good, fuel-economizing 100Kg/h, and open the shortening of stove time about per hour
2.5 hours, separate unit stove opens stove every time can save about 3.3 tons of light diesel fuel.
As preferred embodiment, auxiliary burner 10 is additionally provided with combustion air conveyance conduit 41, combustion air conveying
The gas outlet of pipeline 41 and combustion chamber.
As preferred embodiment, auxiliary burner is additionally provided with safety interlock protector.Protected when safety interlocking occurs
During shield, burner on-site control automatically cuts off fuel supply and system safety shutdown, only manual reset in safety time
Or after the necessary startup preparation measures such as cut-out, recovery power supply, auxiliary burner just allows to restart.When emerged in operation because
When burner hearth high tempering and hyperthermia radiation, the protection to burner can be met, avoid infringement, ensure burner uses the longevity
Life.
Embodiment 2：
Auxiliary burner 10, the compressed air conveying dress of reference picture 2, a kind of standby firing system, including two embodiments 1
Put 20, light oil conveying device 30；
Compressed air conveying device 20 passes through the oil gun with two auxiliary burners 10 respectively of compressed air tunnel 21
13 air inlet connection；
Light oil conveying device 30 passes through the oil-feed with the oil gun 13 of two auxiliary burners 10 respectively of light oil conveyance conduit 31
Mouth connection.
As preferred embodiment, standby firing system also includes combustion air conveying device 40, combustion air conveying
Device 40 is connected with the combustion chamber 111 of two auxiliary burners 10 respectively by combustion air conveyance conduit 41.
As preferred embodiment, oil returning tube 32, the oil extraction of oil returning tube 32 are additionally provided with light oil conveyance conduit 31
Mouth is connected with Fuel Tanking Unit.
Embodiment 3：
A kind of control method of standby firing system, including：
Light oil supplying step：Light oil is delivered to the oil inlet of two oil guns respectively by light oil conveying device, control is light
The mass flow of oil is more than 1600kg/h, pressure 0.8-1.0MPa；
Compressed air step：Compressed air is delivered to the air inlet of two oil guns respectively by compressed air conveying device
Mouthful, control the volume flow of compressed air to be more than 320Nm3/ h, pressure 0.6-0.8MPa；
Blend step：Light oil is sprayed into combustion chamber after being mixed with compressed air in oil gun through oil gas vent；
Lighting up procedure：After the completion of blend step, burner is advanced in burner hearth by pneumatic booster, then started a little
Firelock is lighted a fire；
Fire inspection step：After the completion of lighting up procedure, combustion case is detected by flame detector, was not detected by and has lighted a fire when 5 seconds
Into, then by pneumatic booster drive burner quickly exit, prevent detonation；
Cooling step：After successful ignition, the pipette tips portion of burning torch is entered by the first cooling wind delivery pipe conveying cooling wind
Row cooling, flame-detecting probe is cooled down by the second cooling wind delivery pipe conveying cooling wind.
As preferred embodiment, blend step also includes combustion air input step：Conveyed and filled by combustion air
The combustion chamber that combustion air is delivered to two auxiliary burners respectively is put, controls the volume flow of combustion air to be more than
10090Nm3/ h, pressure are more than 2500Pa.
In order to prevent combustible in exhaust gases passes being present, flash burn or blast may be caused, the startup of auxiliary burner and
Shutdown order is performed by the programmable logic controller (PLC) of burner.Burner boot sequence by depending on start burner flue gas
Temperature.During higher than 650 DEG C, auxiliary burner can be directly initiated, it is not necessary to purging air.During less than 650 DEG C, only in combustion zone
After being purged with flue gas with air, burner could be started.
In control method, auxiliary burner uses 800Kg/h throwing oil mass, and this oil stream amount can lift fire box temperature
To more than 850 DEG C, and also surplus.Burner rating is lifted to 11MW from 7MW, because ignition temperature is enough so that bioxin
Decompose more preferable.
Above-mentioned embodiment is only the preferred embodiment of the present invention, it is impossible to the scope of protection of the invention is limited with this,
The change and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed scope.
Claims (10)
1. a kind of auxiliary burner, including the burner with combustion chamber, the burner is provided with the burning with combustion chamber
Mouth；It is characterized in that：Burning torch, oil gun, flame detector, the first cooling wind delivery pipe and second are additionally provided with the burner
Cool down wind delivery pipe；The gun breech portion of the burning torch is located at outside combustion chamber, and the pipette tips portion of the burning torch is stretched into combustion chamber simultaneously
It is connected with burner；The oil gas vent of the oil gun and the combustion chamber；The flame detector includes being arranged on burning
Flame detector body on device and the flame-detecting probe stretched into combustion chamber, the flame-detecting probe are located at neighbouring combustion
The position of burner；The air outlet of the first cooling wind delivery pipe is positioned adjacent to the position in the pipette tips portion of burning torch；Described
The air outlet of two cooling wind delivery pipes is positioned adjacent to the position of flame-detecting probe.
2. auxiliary burner as claimed in claim 1, it is characterised in that the auxiliary burner also includes being used to drive burning
The pneumatic booster of device movement.
3. auxiliary burner as claimed in claim 1, it is characterised in that the oil gun is air atomization oil gun.
4. auxiliary burner as claimed in claim 1, it is characterised in that the auxiliary burner is additionally provided with combustion air conveying
Pipeline, gas outlet and the combustion chamber of the combustion air conveyance conduit.
5. auxiliary burner as claimed in claim 1, it is characterised in that the auxiliary burner is additionally provided with security interlocking protection
Device.
6. a kind of standby firing system, it is characterised in that including the auxiliary combustion two as described in claim 1-5 any one
Device, compressed air conveying device and light oil conveying device；
The compressed air conveying device passes through the compressed air tunnel air inlet with the oil gun of two auxiliary burners respectively
Mouth connection；
The light oil conveying device is connected by oil inlet of the light oil conveyance conduit respectively with the oil gun of two auxiliary burners.
7. standby firing system as claimed in claim 6, it is characterised in that the standby firing system also includes combustion air
Conveying device, the combustion air conveying device pass through the combustion air conveyance conduit combustion chamber with two auxiliary burners respectively
Connection.
8. standby firing system as claimed in claim 6, it is characterised in that be additionally provided with oil return pipe on the light oil conveyance conduit
Road, the oil discharge outlet of the oil returning tube are connected with Fuel Tanking Unit.
A kind of 9. control method of standby firing system, it is characterised in that including：
Light oil supplying step：Light oil is delivered to the oil inlet of two oil guns respectively by light oil conveying device, controls light oil
Mass flow is more than 1600kg/h, pressure 0.8-1.0MPa；
Compressed air step：Compressed air is delivered to the air inlet of two oil guns respectively by compressed air conveying device, controlled
The volume flow of compressed air processed is more than 320Nm3/ h, pressure 0.6-0.8MPa；
Blend step：Light oil is sprayed into combustion chamber after being mixed with compressed air in oil gun through oil gas vent；
Lighting up procedure：After the completion of blend step, burner is advanced in burner hearth by pneumatic booster, then starting ignition rifle
Lighted a fire；
Fire inspection step：After the completion of lighting up procedure, combustion case is detected by flame detector, igniting was not detected by when 5 seconds and is completed, then
Drive burner quickly to exit by pneumatic booster, prevent detonation；
Cooling step：After successful ignition, the pipette tips portion of burning torch is carried out by the first cooling wind delivery pipe conveying cooling wind cold
But, flame-detecting probe is cooled down by the second cooling wind delivery pipe conveying cooling wind.
10. the control method of standby firing system as claimed in claim 9, it is characterised in that the blend step also includes
Combustion air input step：Combustion air is delivered to the burning of two auxiliary burners respectively by combustion air conveying device
Room, the volume flow of combustion air is controlled to be more than 10090Nm3/ h, pressure are more than 2500Pa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710781384.9A CN107543155A (en) | 2017-09-01 | 2017-09-01 | A kind of auxiliary burner and standby firing system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710781384.9A CN107543155A (en) | 2017-09-01 | 2017-09-01 | A kind of auxiliary burner and standby firing system and control method |
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| Publication Number | Publication Date |
|---|---|
| CN107543155A true CN107543155A (en) | 2018-01-05 |
Family
ID=60958987
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710781384.9A Pending CN107543155A (en) | 2017-09-01 | 2017-09-01 | A kind of auxiliary burner and standby firing system and control method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442476A (en) * | 2018-10-24 | 2019-03-08 | 国网天津市电力公司电力科学研究院 | A kind of oil burner igniting intelligent control method |
| CN110131713A (en) * | 2019-05-31 | 2019-08-16 | 深圳市龙瑞泰兴能源环境科技有限公司 | A kind of flame stabilization, detection device and its control method of disperse formula combustion system |
| CN111425852A (en) * | 2019-01-10 | 2020-07-17 | 宝山钢铁股份有限公司 | Multi-fuel positive pressure boiler burner |
| CN111609412A (en) * | 2020-05-09 | 2020-09-01 | 杭州科晟能源技术有限公司 | Auxiliary combustion structure of boiler |
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| GB393993A (en) * | 1931-12-17 | 1933-06-19 | Lewis Motley | Improvements in or relating to oil burning apparatus |
| CN201184609Y (en) * | 2008-02-28 | 2009-01-21 | 武汉华是能源环境工程有限公司 | Micro-oil long flame ignition combustor |
| CN201628215U (en) * | 2009-12-31 | 2010-11-10 | 赵晴岗 | High-efficient fixed ignition micro-oil burner |
| CN203848283U (en) * | 2014-03-18 | 2014-09-24 | 徐州能达燃烧控制工程有限公司 | Double-acting combined electric propelling oil combustion apparatus |
| CN204165050U (en) * | 2014-09-28 | 2015-02-18 | 唐山金沙燃烧热能科技有限公司 | A kind of oil burner control device |
| CN207365051U (en) * | 2017-09-01 | 2018-05-15 | 佛山市南海绿电再生能源有限公司 | A kind of auxiliary burner and standby firing system |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB393993A (en) * | 1931-12-17 | 1933-06-19 | Lewis Motley | Improvements in or relating to oil burning apparatus |
| CN201184609Y (en) * | 2008-02-28 | 2009-01-21 | 武汉华是能源环境工程有限公司 | Micro-oil long flame ignition combustor |
| CN201628215U (en) * | 2009-12-31 | 2010-11-10 | 赵晴岗 | High-efficient fixed ignition micro-oil burner |
| CN203848283U (en) * | 2014-03-18 | 2014-09-24 | 徐州能达燃烧控制工程有限公司 | Double-acting combined electric propelling oil combustion apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442476A (en) * | 2018-10-24 | 2019-03-08 | 国网天津市电力公司电力科学研究院 | A kind of oil burner igniting intelligent control method |
| CN111425852A (en) * | 2019-01-10 | 2020-07-17 | 宝山钢铁股份有限公司 | Multi-fuel positive pressure boiler burner |
| CN110131713A (en) * | 2019-05-31 | 2019-08-16 | 深圳市龙瑞泰兴能源环境科技有限公司 | A kind of flame stabilization, detection device and its control method of disperse formula combustion system |
| CN111609412A (en) * | 2020-05-09 | 2020-09-01 | 杭州科晟能源技术有限公司 | Auxiliary combustion structure of boiler |
| CN111609412B (en) * | 2020-05-09 | 2022-06-24 | 杭州科晟能源技术有限公司 | Boiler auxiliary combustion structure |
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