WO2002068872A1 - Ensemble cathode et allumeur a plasma pourvu d'un tel ensemble cathode - Google Patents
Ensemble cathode et allumeur a plasma pourvu d'un tel ensemble cathode Download PDFInfo
- Publication number
- WO2002068872A1 WO2002068872A1 PCT/CN2002/000116 CN0200116W WO02068872A1 WO 2002068872 A1 WO2002068872 A1 WO 2002068872A1 CN 0200116 W CN0200116 W CN 0200116W WO 02068872 A1 WO02068872 A1 WO 02068872A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cathode
- pulverized coal
- stage
- pipe
- burner
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/42—Plasma torches using an arc with provisions for introducing materials into the plasma, e.g. powder, liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D1/00—Burners for combustion of pulverulent fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q13/00—Igniters not otherwise provided for
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/30—Plasma torches using applied electromagnetic fields, e.g. high frequency or microwave energy
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/3484—Convergent-divergent nozzles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2207/00—Ignition devices associated with burner
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/3436—Hollow cathodes with internal coolant flow
Definitions
- the utility model relates to a cathode of a plasma ignition device for directly igniting a pulverized coal boiler, and a plasma ignition device for directly igniting a pulverized coal boiler using the cathode.
- This ignition device is used for ignition start of pulverized coal boiler and stable combustion at low load. It can also be used as the main burner of pulverized coal boiler.
- the applicant's utility model patent No. 99248829.x discloses a plasma ignition device using an axial-flow two-stage powder feeding burner, but the burner has different degrees of coking, ablation, function, and coal combustion Single, unstable and other disadvantages.
- the cathode of the device is a graphite rod, which has the disadvantages of slag dropping, short circuit, and unstable voltage during operation.
- one object of the present invention is to provide a combined cathode for a plasma ignition device.
- a cathode a combined cathode for a plasma ignition device, which comprises a cathode head, a fastening nut, a conductive tube, a water inlet pipe, a water inlet pipe, a water outlet pipe, a cathode end cover and It consists of a gasket, the cathode is welded to a copper fastening nut, the conductive tube and the nut are threaded, a water inlet tube is inserted at the other end of the conductive tube, and it is connected by welding or threading, perpendicular to the conductive tube A welding pipe is connected in the direction of welding to form a cooling system for the cathode, which is characterized in that a special arcing bush is added at the front end of the cathode, an alloy plate is used as the cathode plate, and a convergence-before-diffusion structure is used as the cathode. Cooling nozzle of the plate.
- the combined cathode has the characteristics of automatic arc centering, stable voltage, long life, and small anode burnout during arcing under normal operating conditions, which greatly reduces the cost and improves the reliability of the plasma ignition device.
- Another object of the present invention is to provide a plasma ignition device for directly igniting a pulverized coal boiler.
- the plasma generator can continuously and stably operate, and at the same time, the pulverized coal burner is not easy to coke and burn, thereby obtaining a high stability.
- the above object is achieved by a plasma ignition device that directly ignites a pulverized coal boiler.
- the device is mainly composed of a plasma generator, a pulverized coal burner, and a direct current power source.
- the plasma generator is mainly composed of a composite anode and the above combination.
- the pulverized coal burner is mainly composed of a burner nozzle, a four-stage combustion tube, an air powder pipe fitting, and a primary air powder. It consists of an inlet pipe, a secondary air inlet pipe, a deflector, a high-temperature plasma duct, and an adjustable pulverized coal shading deflector.
- the structure of the composite anode is in the form of a double nozzle, and the material of the anode body is a material with high thermal conductivity and high conductivity, and its oxide is also conductive, preferably a silver-based material.
- the material of the tube may be a silver-based material or a copper material;
- the combined cathode is mainly composed of a cathode head, an arc starting bushing, a fastening nut, a cathode plate, a cooling nozzle, an inlet pipe, an inlet pipe, an outlet pipe, a conductive pipe, and a female It is composed of an extreme cover.
- the cathode plate adopts a conical and cylindrical shape. It is connected to the cathode head by welding. Its material is a silver-based alloy.
- the cooling nozzle adopts a convergent and diffuse structure.
- the combined cathode uses a high-speed nozzle with enhanced cooling, which accelerates the heat transfer of the cathode and increases the life of the cathode.
- the use of high-conductivity, high-thermal-conductivity materials, especially silver-based materials, as cathode plates greatly improves the life of the cathode.
- the use of a composite anode changes the flow field of the plasma in the anode cavity, especially the axial component-based flow at the nozzle, thereby preventing the anode from being polluted by pulverized coal.
- the anode increases the receiving area of the anode on the basis of the original nozzle, the receiving of electrons is completed inside the anode nozzle without interference from the external power field, which makes the output power of the device very stable. Since an arc line ⁇ is set on the outside of the composite anode, the length of the plasma flame is increased, and the pulverized coal ignition capacity is improved.
- the step-up amplification ignition method has greatly improved the output of the burner and reduced energy consumption.
- the secondary air is used to achieve the film cooling of the first stage burner, second stage burner, third stage burner, and fourth stage burner.
- the wall temperature of the combustion cylinder is lowered below the ash melting point temperature to avoid coking. Oxygen supplementation in the third-stage combustor through the flow of light coal powder and secondary air supplementation in the fourth-stage combustor enhanced the combustion and increased the rigidity of the flame.
- the plasma ignition device of the present invention has a large output, does not coke, High combustion efficiency, strong flame rigidity, and can ignite various coal types. Because this device solves the key technology of the high-power continuous and stable operation of the plasma generator, it can be widely used in industrial pulverized coal boilers, replacing the traditional methods of industrial boilers using fuel oil to start, ignite and stabilize combustion, thereby saving a lot of oil Resources.
- FIG. 1 is a schematic structural diagram of a plasma ignition device for directly igniting a pulverized coal boiler according to the present invention
- FIG. 2 is a schematic structural diagram of a pulverized coal burner of a plasma ignition device for directly igniting a pulverized coal boiler according to the present invention
- FIG. 3 is a schematic structural diagram of a combined cathode of a plasma ignition device for directly igniting a pulverized coal boiler according to the present invention
- FIG. 4 is a schematic structural diagram of a composite anode of a plasma ignition device for directly igniting a pulverized coal boiler according to the present invention
- FIG. 5 is a schematic diagram of the working principle of a plasma ignition device for directly igniting a pulverized coal boiler according to the present invention
- FIG. 6 is a schematic diagram of a plasma generator of a plasma ignition device for directly igniting a pulverized coal boiler according to the present invention
- FIG. 7 is a working principle diagram of the plasma generator shown in FIG. 6.
- Second-stage combustor deflector 602 Combined cathode
- a combined cathode for a plasma ignition device includes a cathode head 301, a fastening nut, a conductive pipe 304, a water inlet pipe 308, a water inlet pipe 305, a water outlet pipe 307, and a cathode end cover 306.
- the gasket 310, the cathode 301 is welded to a copper fastening nut, the conductive tube 304 and the nut are threaded, a water inlet tube 308 is inserted at the other end of the conductive tube 304, and welding or threading is used.
- the method is connected, and a water outlet pipe 307 is connected by welding in a direction perpendicular to the conductive pipe 304 to form a cooling system for the cathode, which is characterized in that a special arcing bushing 311 is added at the front end of the cathode, and an alloy plate is used as the cathode plate.
- a cathode plate cooling nozzle having a convergence-before-diffusion structure is connected to the water inlet pipe 308 by welding and placed in the center of the conductive pipe 304.
- the arc starting bushing 311 is processed by using a graphite rod having a high melting point and a high electrical conductivity, and is fastened to the front end of the cathode head 301 and is flush with the cathode plate 302 by a thread method.
- the cathode plate 302 is a silver-based alloy flat plate with high thermal conductivity and high electrical conductivity, and is connected to the cathode head 301 by brazing, and its surface is flush with the arcing bushing 311.
- the flat cathode is used to center the arcing point automatically.
- the cooling nozzle of the cathode cooling system uses In the nozzle structure, the liquid is accelerated at the throat of the nozzle, which improves the efficiency of cathode heat exchange and prolongs the service life of the cathode.
- the plasma ignition device for directly igniting a pulverized coal boiler of the present invention is mainly composed of a plasma generator 102, a pulverized coal burner 101, and a plasma generator bracket 103.
- the plasma generator 102 inserts its composite anode 604 into the first stage combustor 212 of the pulverized coal burner through a flange connection.
- the plasma generator is mainly composed of a composite anode 604, a composite cathode 602, a linear motor 601, an electromagnetic coil 603, and an arcing line ⁇ 605 that is sheathed outside the outer casing of the composite anode 604.
- the composite anode 604 is on the same coaxial line as the combined cathode 602, the composite anode is connected to the positive pole of the DC power source 508, and the combined cathode 602 is connected to the negative pole of the DC power source 508.
- a linear motor is used to establish a plasma arc by pulling the cathode and anode in contact.
- the structure of the composite anode is a double-nozzle structure, that is, the double-nozzle pipe structure is welded together, one end is welded with the anode nozzle 404, and the other end is welded with the anode base 406.
- the anode body 405 is made of a material with high thermal conductivity and high conductivity, and its oxide is also conductive, such as a silver-based material.
- the anode nozzle 404 material may be a silver-based material or a copper-based material.
- the combined cathode is mainly composed of a cathode head 301, an arc starting bushing 311, a fastening nut, a cathode plate 302, a cooling nozzle 303, a conductive pipe 304, an inlet pipe 308, an inlet pipe 305, and an outlet pipe. 307.
- the cathode end cap 306 is formed.
- the cathode plate 302 has an inverted cone shape.
- the material of the cathode plate 302 is a base alloy.
- the cooling nozzle 303 has a first convergence and a diffusion structure.
- the pulverized coal burner is mainly composed of a burner nozzle 201, a fourth stage burner 202, a third stage burner 204, a second stage burner inlet pipe 216, a primary air powder inlet pipe 217, and a secondary air
- the inlet tube 209, the first stage combustor baffle plate 214, the second stage combustor baffle plate 219, and the third stage combustor pulverized coal passage 220 are formed.
- the pulverized air mixture from the primary air powder entering the pipe 217 is divided into three by the adjustable pulverized coal shading deflector 218, and each enters the three-stage combustion cylinder for staged combustion; the secondary air from the secondary air entering the pipe 209
- the wind is divided into three, and the outer wall of the first stage combustor 212, the outer wall of the third stage combustor 204, and the inner and outer walls of the fourth stage combustor 202 are respectively cooled and supplemented with oxygen.
- the linear motor 507 When power is supplied to the DC power source 508, the linear motor 507 is started and moved forward, so that the combined cathode 506 is in contact with the anode 504, and the output current and the pressure of the pressure air into the tube 505 are set. As the cathode slowly leaves the anode, the arc voltage builds up. Because the arc voltage is a function of the distance between the two electrodes, the distance between the two electrodes needs to be determined according to the coal type to determine the voltage arc power.
- the ionized air carries energy to form a plasma torch and enters the first stage combustor 212 of the pulverized coal burner, and then the dense pulverized coal passing through the first stage combustor into the tube 215 is ignited.
- the pulverized coal carried by the primary air inlet pipe 217 enters the burner body in three ways through the adjustable pulverized coal thick and light deflector.
- 20% of the pulverized coal passes through the first-stage combustion tube into the pipe and passes through the first-stage combustion tube
- the deflector enters the first stage combustion cylinder and is ignited by the plasma torch.
- 60% of the pulverized coal in the second pass enters the tube through the second stage combustor and enters the second stage combustor through the second stage combustor deflector.
- 20% of the pulverized coal in the No. 3 road passes through the pulverized coal passage of the third-stage combustion cylinder through the primary air deflector and enters the third-stage combustion cylinder.
- the secondary air enters the burner in two ways through the secondary air inlet pipe of the air powder pipe fittings.
- the wind passes through the upper inlet of the outer tube of the first-stage combustor to cool the outer wall of the first-stage combustor for oxygen combustion.
- the second wind passes through the secondary air passage to cool the outer wall of the third stage combustion cylinder and then divides into two paths, one of which enters the fourth stage combustion cylinder for oxygen supplemental combustion, and the other way cools the fourth stage combustion cylinder through the secondary air passage. After entering the furnace.
- the high-temperature plasma duct provides a high-temperature plasma
- the above 20% of the pulverized coal powder is immediately ignited, the flame further ignites 60% of the pulverized coal powder, and the remaining 20% of the pulverized coal powder is burned through the third stage.
- the pulverized coal channel is mixed with the above-mentioned torch Burning. This part of the air powder flow also plays a role of cooling the second stage combustion cylinder.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Plasma Technology (AREA)
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE60238470T DE60238470D1 (de) | 2001-02-27 | 2002-02-27 | Plasmazünder mit zusammengesetzter kathode |
AU2002237179A AU2002237179B2 (en) | 2001-02-27 | 2002-02-27 | Assembled cathode and plasma igniter with such cathode |
EP02703472A EP1371905B1 (en) | 2001-02-27 | 2002-02-27 | Plasma igniter with assembled cathode |
CA2442356A CA2442356C (en) | 2001-02-27 | 2002-02-27 | A combined type cathode and a plasma ignition device using the same |
JP2002567744A JP3934554B2 (ja) | 2001-02-27 | 2002-02-27 | コンバインド型陰極および該陰極を使用したプラズマ点火装置 |
US10/469,048 US7281478B2 (en) | 2001-02-27 | 2002-02-27 | Assembled cathode and plasma igniter with such cathode |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN01204455.5 | 2001-02-27 | ||
CN 01204455 CN2473478Y (zh) | 2001-02-27 | 2001-02-27 | 用于等离子点火装置的组合式阴极 |
CN 02203117 CN2521510Y (zh) | 2002-02-06 | 2002-02-06 | 一种直接点燃煤粉锅炉的等离子体点火装置 |
CN02203117.0 | 2002-02-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002068872A1 true WO2002068872A1 (fr) | 2002-09-06 |
Family
ID=25740677
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2002/000116 WO2002068872A1 (fr) | 2001-02-27 | 2002-02-27 | Ensemble cathode et allumeur a plasma pourvu d'un tel ensemble cathode |
Country Status (8)
Country | Link |
---|---|
US (1) | US7281478B2 (zh) |
EP (1) | EP1371905B1 (zh) |
JP (1) | JP3934554B2 (zh) |
AU (1) | AU2002237179B2 (zh) |
CA (1) | CA2442356C (zh) |
DE (1) | DE60238470D1 (zh) |
RU (1) | RU2260155C2 (zh) |
WO (1) | WO2002068872A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7754996B2 (en) | 2003-04-11 | 2010-07-13 | Hypertherm, Inc. | Method and apparatus for alignment of components of a plasma arc torch |
CN101561150B (zh) * | 2009-06-02 | 2010-08-25 | 向卫 | 富氧微油点火稳燃装置 |
CN104202899A (zh) * | 2012-08-19 | 2014-12-10 | 周开根 | 一种用于气化炉的内电弧等离子体喷枪 |
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080116179A1 (en) * | 2003-04-11 | 2008-05-22 | Hypertherm, Inc. | Method and apparatus for alignment of components of a plasma arc torch |
CN100406804C (zh) * | 2005-12-23 | 2008-07-30 | 艾佩克斯科技(北京)有限公司 | 宽煤种微油点火燃烧器 |
US7671294B2 (en) * | 2006-11-28 | 2010-03-02 | Vladimir Belashchenko | Plasma apparatus and system |
EP2172706A4 (en) * | 2007-07-19 | 2012-05-09 | Yantai Longyuan Power Tech Co | MEDIUM PLASMA IGNITED BURNER |
WO2009092234A1 (zh) * | 2007-12-27 | 2009-07-30 | Beijing Guangyao Electricity Equipment Co., Ltd | 交流等离子发射枪及其供电方法和煤粉燃烧器 |
CN101532662B (zh) * | 2008-03-14 | 2013-01-02 | 烟台龙源电力技术股份有限公司 | 一种采用内燃式燃烧器的煤粉锅炉降低氮氧化物的方法 |
CN101784154B (zh) | 2009-01-19 | 2012-10-03 | 烟台龙源电力技术股份有限公司 | 电弧等离子体发生器的阳极以及电弧等离子体发生器 |
CN101532678B (zh) * | 2009-03-02 | 2014-05-07 | 章礼道 | 电站燃煤锅炉布朗气(氢氧气)点火系统 |
CN101846315B (zh) * | 2009-03-24 | 2012-07-04 | 烟台龙源电力技术股份有限公司 | 煤粉浓缩装置和包含该煤粉浓缩装置的内燃式煤粉燃烧器 |
CN101886816A (zh) * | 2010-04-14 | 2010-11-17 | 中国电力工程顾问集团华北电力设计院工程有限公司 | 一种改进的粉煤气化炉等离子点火喷嘴及方式 |
US20110223549A1 (en) * | 2010-05-31 | 2011-09-15 | Resource Rex, LLC | Laminar Flow Combustion System and Method for Enhancing Combustion Efficiency |
US9036309B2 (en) | 2010-09-16 | 2015-05-19 | General Electric Company | Electrode and plasma gun configuration for use with a circuit protection device |
US8330069B2 (en) | 2010-09-16 | 2012-12-11 | General Electric Company | Apparatus and system for arc elmination and method of assembly |
JP5678603B2 (ja) * | 2010-11-22 | 2015-03-04 | 株式会社Ihi | 微粉炭バーナ |
WO2012088110A1 (en) * | 2010-12-23 | 2012-06-28 | Alstom Technology Ltd | System and method for reducing emissions from a boiler |
CN102387652A (zh) * | 2011-09-28 | 2012-03-21 | 南京创能电力科技开发有限公司 | 等离子阴极组件的冷却装置 |
KR101249457B1 (ko) * | 2012-05-07 | 2013-04-03 | 지에스플라텍 주식회사 | 비이송식 공동형 플라즈마 토치 |
CN102721050A (zh) * | 2012-07-11 | 2012-10-10 | 曲大伟 | 无烟煤窑炉等离子点火烘窑装置 |
CN104202900B (zh) * | 2012-08-19 | 2016-05-04 | 衢州昀睿工业设计有限公司 | 一种加热分解用途的内电弧等离子体喷枪 |
CN102818282B (zh) * | 2012-08-24 | 2014-12-03 | 北京博希格动力技术有限公司 | 微油纯氧强化等离子点火方法及点火器 |
RU2505748C1 (ru) * | 2012-09-05 | 2014-01-27 | Константин Андреевич Федоров | Способ растопки и поддержания стабильного горения в котлоагрегатах с применением водоугольного топлива |
EP2728254A1 (en) * | 2012-11-02 | 2014-05-07 | Hans-Bernd Rombrecht | Ignition and stabilisation burner for particulate fuels |
CN102927567A (zh) * | 2012-11-08 | 2013-02-13 | 曲大伟 | 内含式射流煤粉窑炉等离子热裂化燃烧装置 |
US9291098B2 (en) | 2012-11-14 | 2016-03-22 | General Electric Company | Turbomachine and staged combustion system of a turbomachine |
CN102980204A (zh) * | 2012-11-27 | 2013-03-20 | 哈尔滨工程大学 | 一种燃油雾化一体化点火器 |
JP6167546B2 (ja) * | 2013-02-12 | 2017-07-26 | 株式会社Ihi | 微粉炭バーナ |
EP2804450B1 (de) * | 2013-05-16 | 2022-05-04 | Kjellberg-Stiftung | Mehrteiliges Isolierteil für einen Lichtbogenplasmabrenner, Brenner und zugehörige Anordnungen mit demselben und zugehörigen Verfahren |
CN103486579B (zh) * | 2013-07-10 | 2016-06-01 | 中国航天空气动力技术研究院 | 一种igbt晶体管整流供电的等离子点火与稳燃装置 |
US9560733B2 (en) | 2014-02-24 | 2017-01-31 | Lincoln Global, Inc. | Nozzle throat for thermal processing and torch equipment |
CN103987183B (zh) * | 2014-06-01 | 2016-08-17 | 衢州昀睿工业设计有限公司 | 一种等离子体加热分解器 |
JP6188658B2 (ja) * | 2014-09-24 | 2017-08-30 | 三菱重工業株式会社 | 燃焼バーナ及びボイラ |
CN104378901B (zh) * | 2014-11-01 | 2016-08-17 | 衢州昀睿工业设计有限公司 | 一种双级电弧等离子体喷枪 |
CN104378902B (zh) * | 2014-11-03 | 2017-07-25 | 衢州昀睿工业设计有限公司 | 一种水蒸气活化和分解喷枪 |
DE102015104401A1 (de) | 2015-03-24 | 2015-05-07 | Mitsubishi Hitachi Power Systems Europe Gmbh | Verfahren zur Verminderung von NOx-Emissionen bei der Verbrennung von staubförmigem Brennstoff |
DE102015104406A1 (de) | 2015-03-24 | 2015-05-21 | Mitsubishi Hitachi Power Systems Europe Gmbh | Verfahren zur Verminderung von NOx-Emissionen bei der Verbrennung von staubförmigem Brennstoff |
RU2610370C1 (ru) * | 2015-09-22 | 2017-02-09 | Акционерное Общество "Сибтехэнерго" - инженерная фирма по наладке, совершенствованию технологий и эксплуатации электро-энергооборудования предприятий и систем | Способ электрохимического факельного сжигания угольной пыли |
CN105674257B (zh) * | 2016-03-05 | 2017-11-10 | 华中科技大学 | 一种两级可调的水蒸汽等离子体旋流燃烧器 |
CN106196169B (zh) * | 2016-09-18 | 2019-04-09 | 北京航天动力研究所 | 一种高温使用可更换点火火焰径向喷射装置 |
PL3438531T3 (pl) * | 2017-07-31 | 2022-09-12 | General Electric Technology Gmbh | Dysza węglowa ze zwężeniem przepływu |
CN107702140A (zh) * | 2017-09-11 | 2018-02-16 | 新奥泛能网络科技股份有限公司 | 用于锅炉点火的等离子射流喷嘴以及锅炉 |
CN107796269B (zh) * | 2017-11-17 | 2024-10-01 | 中国人民解放军陆军装甲兵学院 | 磁化等离子体火炮火药研究用测试装置 |
WO2019164822A1 (en) * | 2018-02-20 | 2019-08-29 | Oerlikon Metco (Us) Inc. | Single arc cascaded low pressure coating gun utilizing a neutrode stack as a method of plasma arc control |
CN108430148B (zh) * | 2018-03-30 | 2023-09-05 | 山东辰跃节能科技有限公司 | 一种等离子发生器 |
CN108901115B (zh) * | 2018-09-19 | 2019-06-07 | 中国空气动力研究与发展中心超高速空气动力研究所 | 一种等离子体发生器 |
RU2726023C1 (ru) * | 2019-02-22 | 2020-07-08 | Общество с ограниченной ответственностью "КОТЭС Инжиниринг" | Способ факельного сжигания топливовоздушной смеси и устройство для реализации способа |
CN111520743A (zh) * | 2020-05-28 | 2020-08-11 | 西安热工研究院有限公司 | 一种自动伸缩式等离子点火装置 |
CN111706858A (zh) * | 2020-07-24 | 2020-09-25 | 李心鹏 | 一种用于电站锅炉、窑炉的煤粉点火设备 |
CN113153539B (zh) * | 2021-03-19 | 2023-05-12 | 中国人民解放军空军工程大学 | 一种单双路结合的三维旋转滑动弧等离子体激励器 |
CN115419914B (zh) * | 2022-09-07 | 2023-05-30 | 中国人民解放军空军工程大学 | 一种台阶式圆环状电极的多通道等离子体点火电嘴 |
CN116293786B (zh) * | 2023-04-17 | 2024-03-08 | 鑫泓淼机械科技(山东)有限公司 | 一种接触式高效电能转换器 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN88102744A (zh) * | 1987-05-08 | 1988-11-16 | 珀金-埃尔默公司 | 具有可调阴极的电弧设备 |
CN1031275A (zh) * | 1987-08-13 | 1989-02-22 | 悉尼大学 | 粉状燃料燃烧器 |
WO1992001194A1 (en) | 1990-07-13 | 1992-01-23 | Imatran Voima Oy | Method for reducing emissions of oxides of nitrogen in combustion of various kinds of fuels |
US5156100A (en) | 1989-01-16 | 1992-10-20 | Imatran Voima Oy | Method and apparatus for starting the boiler of a solid-fuel fired power plant and ensuring the burning process of the fuel |
CN1230656A (zh) * | 1998-03-31 | 1999-10-06 | 烟台开发区龙源电力燃烧控制工程有限公司 | 用于等离子点火装置上的燃烧器 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3130292A (en) * | 1960-12-27 | 1964-04-21 | Union Carbide Corp | Arc torch apparatus for use in metal melting furnaces |
US4055741A (en) * | 1975-12-08 | 1977-10-25 | David Grigorievich Bykhovsky | Plasma arc torch |
JPS53145783A (en) | 1977-05-24 | 1978-12-19 | Inoue Japax Res Inc | Ignition device |
DE2933040C2 (de) * | 1979-08-16 | 1988-12-22 | L. & C. Steinmüller GmbH, 5270 Gummersbach | Verfahren zum Zünden einer Kohlenstaub-Rundbrennerflamme |
JPS5914684B2 (ja) | 1980-08-19 | 1984-04-05 | 日立造船株式会社 | 粉体燃料燃焼装置 |
DE3840485A1 (de) | 1988-12-01 | 1990-06-07 | Mannesmann Ag | Fluessigkeitsgekuehlter plasmabrenner mit uebertragenem lichtbogen |
US5437250A (en) * | 1993-08-20 | 1995-08-01 | Massachusetts Institute Of Technology | Plasmatron-internal combustion engine system |
US5756959A (en) * | 1996-10-28 | 1998-05-26 | Hypertherm, Inc. | Coolant tube for use in a liquid-cooled electrode disposed in a plasma arc torch |
KR100276674B1 (ko) * | 1998-06-03 | 2001-01-15 | 정기형 | 플라즈마 토치 |
JP2001082705A (ja) | 1999-09-08 | 2001-03-30 | Mitsubishi Heavy Ind Ltd | 微粉燃料燃焼バーナ、ボイラ、及び微粉燃料燃焼方法 |
CN2391107Y (zh) | 1999-10-26 | 2000-08-09 | 烟台开发区龙源电力燃烧控制工程有限公司 | 直接点燃煤粉炉的等离子点火装置 |
WO2001081830A2 (en) * | 2000-04-24 | 2001-11-01 | Edward Kenneth Levy | Adjustable flow control elements for balancing pulverized coal flow at coal pipe splitter junctions |
-
2002
- 2002-02-27 RU RU2003128980/06A patent/RU2260155C2/ru not_active IP Right Cessation
- 2002-02-27 CA CA2442356A patent/CA2442356C/en not_active Expired - Fee Related
- 2002-02-27 AU AU2002237179A patent/AU2002237179B2/en not_active Ceased
- 2002-02-27 DE DE60238470T patent/DE60238470D1/de not_active Expired - Lifetime
- 2002-02-27 WO PCT/CN2002/000116 patent/WO2002068872A1/zh active Application Filing
- 2002-02-27 EP EP02703472A patent/EP1371905B1/en not_active Expired - Lifetime
- 2002-02-27 US US10/469,048 patent/US7281478B2/en not_active Expired - Fee Related
- 2002-02-27 JP JP2002567744A patent/JP3934554B2/ja not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN88102744A (zh) * | 1987-05-08 | 1988-11-16 | 珀金-埃尔默公司 | 具有可调阴极的电弧设备 |
CN1031275A (zh) * | 1987-08-13 | 1989-02-22 | 悉尼大学 | 粉状燃料燃烧器 |
US5156100A (en) | 1989-01-16 | 1992-10-20 | Imatran Voima Oy | Method and apparatus for starting the boiler of a solid-fuel fired power plant and ensuring the burning process of the fuel |
WO1992001194A1 (en) | 1990-07-13 | 1992-01-23 | Imatran Voima Oy | Method for reducing emissions of oxides of nitrogen in combustion of various kinds of fuels |
CN1230656A (zh) * | 1998-03-31 | 1999-10-06 | 烟台开发区龙源电力燃烧控制工程有限公司 | 用于等离子点火装置上的燃烧器 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1371905A4 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7754996B2 (en) | 2003-04-11 | 2010-07-13 | Hypertherm, Inc. | Method and apparatus for alignment of components of a plasma arc torch |
CN101561150B (zh) * | 2009-06-02 | 2010-08-25 | 向卫 | 富氧微油点火稳燃装置 |
CN104202899A (zh) * | 2012-08-19 | 2014-12-10 | 周开根 | 一种用于气化炉的内电弧等离子体喷枪 |
Also Published As
Publication number | Publication date |
---|---|
CA2442356A1 (en) | 2002-09-06 |
EP1371905A4 (en) | 2006-07-05 |
JP3934554B2 (ja) | 2007-06-20 |
US7281478B2 (en) | 2007-10-16 |
RU2003128980A (ru) | 2005-01-10 |
US20040114300A1 (en) | 2004-06-17 |
JP2004536270A (ja) | 2004-12-02 |
RU2260155C2 (ru) | 2005-09-10 |
EP1371905B1 (en) | 2010-12-01 |
DE60238470D1 (de) | 2011-01-13 |
AU2002237179B2 (en) | 2007-01-18 |
EP1371905A1 (en) | 2003-12-17 |
CA2442356C (en) | 2010-07-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2002068872A1 (fr) | Ensemble cathode et allumeur a plasma pourvu d'un tel ensemble cathode | |
CN100585279C (zh) | 一种煤粉点燃装置和点燃方法 | |
CN100591189C (zh) | 交流等离子枪及其点火装置 | |
CN201170548Y (zh) | 新型等离子电弧点火装置系统 | |
CN101886816A (zh) | 一种改进的粉煤气化炉等离子点火喷嘴及方式 | |
CN101463764B (zh) | 燃气轮机高能等离子点火器 | |
CN2521510Y (zh) | 一种直接点燃煤粉锅炉的等离子体点火装置 | |
CN211290143U (zh) | 一种等离子耦合富氧燃烧点火装置 | |
CN110939935B (zh) | 一种快速启停的紧凑型等离子体气化燃烧炉 | |
CN112996211A (zh) | 一种应用于危废处理的直流电弧等离子体炬 | |
CN107702096A (zh) | 一种单阳极双介质气源等离子体燃烧器 | |
RU65177U1 (ru) | Горелка | |
CN211290142U (zh) | 一种等离子耦合燃气燃烧点火装置 | |
CN102818282B (zh) | 微油纯氧强化等离子点火方法及点火器 | |
CN201611977U (zh) | 一种交叉型转移弧等离子喷枪 | |
CN101778526B (zh) | 一种交叉型转移弧等离子喷枪 | |
CN201233008Y (zh) | 煤粉燃烧器 | |
CN201621725U (zh) | 一种改进的粉煤气化炉等离子点火喷嘴 | |
CN108980922B (zh) | 一种微波等离子火炉装置 | |
CN201043758Y (zh) | 一种氢氧焰点燃煤粉的点火装置 | |
CN109798538A (zh) | 一种等离子点火装置 | |
CN207797032U (zh) | 一种单阳极双介质气源等离子体燃烧器 | |
CN219828825U (zh) | 一种新型双浓淡直流燃烧器装置 | |
CN220981342U (zh) | 一种等离子体复合燃烧器 | |
CN207797033U (zh) | 一种用于双介质气源等离子体燃烧器的阳极 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ OM PH PL PT RO RU SD SE SG SI SK SL TJ TM TN TR TT TZ UA UG US UZ VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2002567744 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2002703472 Country of ref document: EP Ref document number: 2442356 Country of ref document: CA Ref document number: 2002237179 Country of ref document: AU |
|
WWP | Wipo information: published in national office |
Ref document number: 2002703472 Country of ref document: EP |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10469048 Country of ref document: US |