CN104807011B - Auxiliary burner for lighting a fire to the gasification reactor with main burner - Google Patents
Auxiliary burner for lighting a fire to the gasification reactor with main burner Download PDFInfo
- Publication number
- CN104807011B CN104807011B CN201410070909.4A CN201410070909A CN104807011B CN 104807011 B CN104807011 B CN 104807011B CN 201410070909 A CN201410070909 A CN 201410070909A CN 104807011 B CN104807011 B CN 104807011B
- Authority
- CN
- China
- Prior art keywords
- auxiliary burner
- burner
- central tube
- ceramic nozzle
- nozzle
- 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 - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/20—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
- F23D14/22—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/48—Nozzles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
- F23N5/08—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using light-sensitive elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2207/00—Ignition devices associated with burner
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2212/00—Burner material specifications
- F23D2212/10—Burner material specifications ceramic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/00014—Pilot burners specially adapted for ignition of main burners in furnaces or gas turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2229/00—Flame sensors
- F23N2229/18—Flame sensor cooling means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Abstract
The present invention relates to a kind of auxiliary burners for lighting a fire to the gasification reactor with main burner, wherein auxiliary burner nozzle is made of conductive, ceramic material and is formed together two electrodes with central tube, and pilot spark or high energy field and the igniting for causing the auxiliary burner are constituted between described two electrodes.The present invention provides a kind of auxiliary burner, which can reliably start in an advantageous manner and monitor airflow reaction device and availability with higher and service life.
Description
Technical field
It is the present invention relates to a kind of burner, in particular to a kind of for lighting a fire to the gasification reactor with main burner
Auxiliary burner.
Background technique
The auxiliary burner is the component part of burner apparatus, and the burner apparatus can start and reliably
Monitor airflow reaction device.Burner apparatus refers not only to the arrangement of auxiliary burner with powder or liquid burner separated
And refer to the auxiliary burner and the powder or liquid burner, merging as cell burner.Institute
It states in air-flowing type gasification, by the fuel of liquid that is powdered solid or being sprayed between 1200 DEG C and 1900 DEG C
The pressure of temperature and up to 10MPa are converted into rich in CO and H2Raw coke oven gas.The fuel and described by comprising free
Oxygen, gasifying agent that the gaseous mixture with buffer, such as water vapour or carbon dioxide is constituted pass through gasification combustor
It is conveyed to vaporizer, wherein complete key reaction in flame reaction.Existing gasification technology is in patent DE 10 2005
In 041 930 and in " Die Veredelung von Kohle(coal quenched) " DGMK(Germany mineral oil and coking association
Meeting) Hamburg, Germany, it is proven in Schingnitz chapters and sections " GSP Verfahren(GSP method) " in December, 2008.
Become known for the coal dust burner of the particulate oxide of powdered fuel, the fuel is auxiliary by being externally arranged
Combustion-supporting burner is lighted a fire.A kind of auxiliary burner of type, the auxiliary combustion are described in patent document DD 285523
Device is used in the oxidation for carrying out part in the reactor under pressure.This auxiliary burner include it is coaxial, for can
The channel of combustion gas body and oxidant, the channel is opened wide towards reaction chamber and the channel separates in the channel by being flowed through by water
In the case where wrapped up respectively.Arrange igniting cable in the fuel gas channel, the igniting cable in the burning
High-voltage ignition device outside device be connected and the igniting cable at it towards gradually becoming gold on the end of the reaction chamber
The electrode of category, the electrode of the metal extend to burner tip and form the spark for leading to the wall body of metal herein
Gap.The electrode of this burner is so located in the fuel gas channel, so that its contraction from the formation nozzle
Passed through in section, the cricoid nozzle and the diffuser and in the parallel bending radius of the axis of the diffuser also
It is to say the spark gap in the eddy region for forming the intermediate zone for leading to the oxygen channel with the wall body for leading to metal.Such as
This selects the arrangement of the electrode of the metal, on the one hand can be realized the straight of the fuel gas/oxygen mixture
The electrode of contact combustion and the another aspect metal is cooled down by the fuel gas of wake.Pass through two individual pressure
High-tension ignition cable is imported into the burner by sealing element.Resulting airtight cavity is used as relative to outflow
Combustible gas leakage safety zone and it is monitored in terms of pressure.
A kind of cell burner being made of auxiliary burner and pulverised fuel burner is in DE 202007018781-
It is described in U1.Occurs following disadvantage for this burner: described for generating the metal electrode of pilot spark
It is necessarily constructed as conducting wire for locational space reason, the conducting wire is until electrode tip is bent by multiple.By it is this not
Stable construct is difficult accurately to carry out the necessary adjustment for igniting on spark-over position.Thus it generates a little
The functional reliability of fiery failure and the burner is not always to be guaranteed.Water cooling nozzle (contraction section, column casing and expansion
Dissipate section) structure it is extremely complex and especially lead to thermic load in diffuser, the thermic load may cause to split in the material
Line forms and thus leads to the failure of burner.It is this by the inside that electrode tip is arranged in the diffuser of the nozzle
Mode must so constitute vortex on this position, so that oxygen share and fuel are mixed and is consequently formed a little
The mixture of combustion ability can light this mixture.If there is medium fluctuation in igniting, the vortex with
And thus mixing object location will move, this will lead to failure igniting.Thus previously given higher vulnerability to jamming.DE
102009005855 show a kind of close-coupled torch burners, wherein the auxiliary burner, which is equipped with gas and oxygen, supplies machine
Structure, the flame monitoring mechanism integrated and high-voltage ignition device.Confirm disadvantageously metal, only by auxiliary burner gas
Body can only realize limited runing time due to the thermic load the nozzle that cools down, the nozzle.
Summary of the invention
Problem of the invention is to provide a kind of auxiliary burner, composition portion of the auxiliary burner as burner apparatus
Point it can reliably start and monitor airflow reaction device and availability with higher and service life.
This problem is solved by a kind of auxiliary burner for lighting a fire to the gasification reactor with main burner
Certainly, the gasification reactor is then used for oxygen or oxygen containing gasifying agent with the temperature for being up to 1900 DEG C and up to 10MPa
Pressure makes solid, powdered or liquid fuel gasification, wherein-the auxiliary burner have fuel gas channel and
Oxygen channel；The auxiliary burner has the igniter of electricity；The auxiliary burner has conductive central tube；It deposits
In a conductive ceramic nozzle, the ceramic nozzle with around the central tube it is concentric and with the central tube electric insulation
Mode arrange；The central tube and the ceramic nozzle form the electrode in igniting arcing gap, the electrode and the electricity
Igniter be connected.
By the use of the nozzle of conductive ceramics, the igniting of the electricity of the auxiliary burner but also guarantee not only ensure that
Thermal stability.
The scheme that is advantageously improved of the invention is hereinafter described.The ceramic nozzle has when temperature is 20 DEG C
There is the insulativity less than 100 Ω * m.The ceramic nozzle is made of simultaneously the mixture of metal nitride and metal oxide
And possess when temperature is 20 DEG C greater than 15W*m-1*K-1The capacity of heat transmission.The cloth between the central tube and the ceramic nozzle
The insulating part of the ceramics of electric insulation is set.The ceramic nozzle is arranged in a manner of it can replace.The ceramic nozzle energy
It is enough to be fixed by means of locking nut.The oxygen channel is laid between the central tube and the ceramic nozzle.It is described can
Combustion gas passage surrounds the ceramic nozzle.The ceramic nozzle has perforation, and the perforation is sprayed towards the central tube axis
Enter fuel gas.The ceramic nozzle has the channel for being sent fuel gas on its circumference, and the channel will be described
Fuel gas is axially sent in the direction of the central tube axis.The ceramic nozzle has on its circumference for leading
Send the channel of fuel gas, the channel is sent the fuel gas relative to the central tube axis with acute angle.In described
Heart pipe has inclined section on its side towards burner nozzle.The central tube extends to the spray of the ceramics
The end of mouth forms the electrode for being used for high-energy spark gap in both ends.The ceramic nozzle and the central tube
It is terminated in approximately the same plane with burner nozzle.The central tube can be rinsed with inert gas and backwards to the combustion
Optical flame monitoring mechanism is hermetically equipped on the side of burner spout.The auxiliary burner and the main burner surrounded
It is formed together cell burner.
Detailed description of the invention
The present invention is carried out in detail by means of two attached drawings in required range for understanding as embodiment below
It is thin to explain.Wherein attached drawing is shown:
Fig. 1 is the cross section by auxiliary burner of the invention；And
Fig. 2 is the auxiliary burner nozzle of ceramics.
In the accompanying drawings, identical appended drawing reference indicates identical element.
Specific embodiment
Starting for the power with 500MW make bone coal powdery fuel gas stream formula gasify reactor when, first with
The pressure of 0.4MPa natural gas and oxygen are lighted a fire to the auxiliary burner and are optically monitored to flame.Such as
Fruit detects stable flame, then is increased to reactor pressure with the gaseous mixture ratio gradually reduced desired, 4MPa
Operating pressure.On the auxiliary burner, 500 Nm are supplied thus3/ h, as the natural gas of fuel gas 9 and 300
Nm3The oxygen 10 of/h.There is central tube 7 at the center of the auxiliary burner, which is used as electrode simultaneously.The central tube
7 as the nitrogen of inert gas 11 by flowing therethrough.Meanwhile by the optical signal of the flame in the central tube 7 to
On be transmitted in the system of photoelectricity, for detecting auxiliary burner flame.The cooling piece 8 that the auxiliary burner is flowed through by water
Surrounded, the outside of the cooling piece have the main fuel device, for powdered fuel and gasifying agent channel (here
It is not drawn into).The nozzle 1 of the ceramics is formed on the burner nozzle of the auxiliary burner, front sealing, the ceramics
Nozzle be fixed on by locking nut 2 on the auxiliary burner jet pipe 4.The nozzle 1 of the ceramics is used as second simultaneously
Electrode, so that high energy field or pilot spark are constituted between the central tube 7 and the nozzle 1 of the ceramics, for described
Auxiliary burner igniting.In order to which ignition media-fuel gas 9 and oxygen 10 is better mixed, towards being drawn in the nozzle of the ceramics
Fire hole 5 has been made, a part of fuel gas 9 is flowed by the fire hole.In order to make the auxiliary burner flame stabilization, In
Have the channel 3 for the fuel gas in the nozzle 1 of the ceramics, the channel can be parallel to central axis arranging or
Person can be arranged relative to it with previously given, especially acute angle.The nozzle 1 of the ceramics is in addition to sufficiently high conductive energy
Also have as the performance temperature stability and temperature alternating stability except power.For example it is aoxidized by metal nitride and metal
The material that object is constituted has these performances.The insulativity of the nozzle material of the ceramics therefore should when temperature is 20 DEG C
Less than 10000 Ω * cm and the capacity of heat transmission should be greater than 15W*m-1*K-1.To avoid short circuit, the central tube 7 passes through insulation
Part 6 and the nozzle 1 of the ceramics separate, and the insulating part 6 can be constituted with the ceramic material of electric insulation.
Reference signs list:
The nozzle of 1 ceramics
2 locking nuts
3 are used for the channel of fuel gas
4 auxiliary burner jet pipes
5 are used for the fire hole of fuel gas
6 insulating parts
7 central tube as electrode
The cooling piece of 8 main burners
9 fuel gas, fuel gas channel
10 oxygen, oxygen channel
11 nitrogen, inert gas channel
12 central tube axis.
Claims (16)
1. the auxiliary burner for lighting a fire to the gasification reactor with main burner, the gasification reactor are then used for oxygen
Gas or oxygen containing gasifying agent make solid, powdered or liquid with the temperature and the pressure of up to 10MPa that are up to 1900 DEG C
The fuel gasification of state, wherein
The auxiliary burner has fuel gas channel (9) and oxygen channel (10)；
The auxiliary burner has the igniter of electricity；
The auxiliary burner has conductive central tube (7)；
There are a conductive ceramic nozzle (1), the ceramic nozzle with around the central tube it is concentric and with the center
The mode of pipe electric insulation is arranged；
The central tube (7) and the ceramic nozzle (1) form the electrode in igniting arcing gap, the electrode and the electricity
Igniter is connected.
2. auxiliary burner according to claim 1,
It is characterized in that,
The ceramic nozzle (1) is when temperature is 20 DEG C with the insulativity less than 10000 Ω * cm.
3. auxiliary burner as described in claim 1 or 2,
It is characterized in that,
The ceramic nozzle (1) is made of the mixture of metal nitride and metal oxide and possesses when temperature is 20 DEG C
Greater than 15W*m-1*K-1The capacity of heat transmission.
4. auxiliary burner as described in claim 1 or 2,
It is characterized in that,
The ceramic nozzle (6) of electric insulation is arranged between the central tube (7) and the ceramic nozzle (1).
5. auxiliary burner as described in claim 1 or 2,
It is characterized in that,
The ceramic nozzle (1) is arranged in a manner of it can replace.
6. auxiliary burner as described in claim 1 or 2,
It is characterized in that,
The ceramic nozzle (1) can be fixed by means of locking nut (2).
7. auxiliary burner as described in claim 1 or 2,
It is characterized in that,
The oxygen channel (10) is laid between the central tube (7) and the ceramic nozzle (1).
8. auxiliary burner as described in claim 1 or 2,
It is characterized in that,
The fuel gas channel (9) surrounds the ceramic nozzle (1).
9. auxiliary burner as described in claim 1 or 2,
It is characterized in that,
The ceramic nozzle (1) has perforation (5), and the perforation sprays into fuel gas (9) towards the central tube axis (12).
10. auxiliary burner as described in claim 1 or 2,
It is characterized in that,
The ceramic nozzle (1) has the channel (3) for being sent fuel gas (9) on its circumference, and the channel (3) will
The fuel gas (9) is axially sent in the direction of the central tube axis (12).
11. auxiliary burner as described in claim 1 or 2,
It is characterized in that,
The ceramic nozzle (1) has the channel (3) for being sent fuel gas (9), channel (3) phase on its circumference
The fuel gas (9) are sent with acute angle for the central tube axis (12).
12. auxiliary burner as described in claim 1 or 2,
It is characterized in that,
The central tube (7) has inclined section on its side towards burner nozzle.
13. auxiliary burner as described in claim 1 or 2,
It is characterized in that,
The central tube (7) extends to the end of the nozzle (1) of the ceramics, is formed in both ends for height
The electrode of energy spark gap.
14. auxiliary burner as described in claim 1 or 2,
It is characterized in that,
The ceramic nozzle (1) and the central tube (7) and burning spout terminate in a plane.
15. auxiliary burner as described in claim 1 or 2,
It is characterized in that,
The central tube can with inert gas (11) Lai Chongxi and backwards to the burner nozzle side on hermetically
Equipped with optical flame monitoring mechanism.
16. auxiliary burner as described in claim 1 or 2,
It is characterized in that,
The auxiliary burner and the main burner (8) surrounded are formed together cell burner.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014201386.0 | 2014-01-27 | ||
| DE102014201386.0A DE102014201386A1 (en) | 2014-01-27 | 2014-01-27 | Pilot burner as part of a burner arrangement for the pressure gasification of solid and liquid fuels |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104807011A CN104807011A (en) | 2015-07-29 |
| CN104807011B true CN104807011B (en) | 2019-11-05 |
Family
ID=53135592
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410070909.4A Expired - Fee Related CN104807011B (en) | 2014-01-27 | 2014-02-28 | Auxiliary burner for lighting a fire to the gasification reactor with main burner |
| CN201420088472.2U Expired - Fee Related CN204313278U (en) | 2014-01-27 | 2014-02-28 | For the auxiliary burner of lighting a fire to the gasification reactor with main burner |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420088472.2U Expired - Fee Related CN204313278U (en) | 2014-01-27 | 2014-02-28 | For the auxiliary burner of lighting a fire to the gasification reactor with main burner |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN104807011B (en) |
| DE (1) | DE102014201386A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014201386A1 (en) * | 2014-01-27 | 2015-07-30 | Siemens Aktiengesellschaft | Pilot burner as part of a burner arrangement for the pressure gasification of solid and liquid fuels |
| DE102015204594A1 (en) * | 2015-03-13 | 2016-09-15 | Siemens Aktiengesellschaft | Monolithic burner nozzle |
| US9863635B2 (en) * | 2015-06-24 | 2018-01-09 | General Electric Technology Gmbh | Combined ignitor spark and flame rod |
| CN106642115B (en) * | 2017-01-17 | 2018-09-07 | 哈尔滨工业大学 | A kind of working method of the multiple small fire flame burner nozzle of comprehensive cooled |
| WO2018218526A1 (en) * | 2017-05-31 | 2018-12-06 | 深圳智慧能源技术有限公司 | Ignition nozzle device |
| CN107339698B (en) * | 2017-08-15 | 2023-05-12 | 安徽科达洁能股份有限公司 | Burner |
| RU190131U1 (en) * | 2018-12-10 | 2019-06-21 | Дмитрий Сергеевич Лыков | REACTOR FOR ELECTRIC IMPULSE TREATMENT |
| TWI793459B (en) * | 2020-10-12 | 2023-02-21 | 中國鋼鐵股份有限公司 | Method for adjusting the flame of pilot burner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1043376A (en) * | 1988-10-12 | 1990-06-27 | 弗赖堡燃料研究所 | The fuel gas of charged igniter and the burner of oxygen |
| EP2161502A1 (en) * | 2008-09-05 | 2010-03-10 | Siemens Aktiengesellschaft | Pre-mix burner for a low calorie and high calorie fuel |
| DE102009005855A1 (en) * | 2009-01-23 | 2010-07-29 | Siemens Aktiengesellschaft | Compact lance burner for gasifying pulverized fuel, has nozzle element including multiple holes, which are aligned in same angle at middle line of guide elements such that holes supply oxidant into pulverized fuel flow |
| CN102859282A (en) * | 2010-04-15 | 2013-01-02 | 西门子公司 | Swirl generator for a torch |
| CN204313278U (en) * | 2014-01-27 | 2015-05-06 | 西门子公司 | For the auxiliary burner of lighting a fire to the gasification reactor with main burner |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202005021666U1 (en) | 2005-08-24 | 2009-05-20 | Siemens Aktiengesellschaft | Device for generating synthesis gases by partial oxidation of ash-containing fuels under elevated pressure and quench cooling of the raw gas |
| DE202007018718U1 (en) | 2007-08-29 | 2009-05-14 | Siemens Aktiengesellschaft | Coal dust combination burner with integrated pilot burner |
-
2014
- 2014-01-27 DE DE102014201386.0A patent/DE102014201386A1/en not_active Withdrawn
- 2014-02-28 CN CN201410070909.4A patent/CN104807011B/en not_active Expired - Fee Related
- 2014-02-28 CN CN201420088472.2U patent/CN204313278U/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1043376A (en) * | 1988-10-12 | 1990-06-27 | 弗赖堡燃料研究所 | The fuel gas of charged igniter and the burner of oxygen |
| EP2161502A1 (en) * | 2008-09-05 | 2010-03-10 | Siemens Aktiengesellschaft | Pre-mix burner for a low calorie and high calorie fuel |
| DE102009005855A1 (en) * | 2009-01-23 | 2010-07-29 | Siemens Aktiengesellschaft | Compact lance burner for gasifying pulverized fuel, has nozzle element including multiple holes, which are aligned in same angle at middle line of guide elements such that holes supply oxidant into pulverized fuel flow |
| CN102859282A (en) * | 2010-04-15 | 2013-01-02 | 西门子公司 | Swirl generator for a torch |
| CN204313278U (en) * | 2014-01-27 | 2015-05-06 | 西门子公司 | For the auxiliary burner of lighting a fire to the gasification reactor with main burner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN204313278U (en) | 2015-05-06 |
| DE102014201386A1 (en) | 2015-07-30 |
| CN104807011A (en) | 2015-07-29 |
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| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191105 |