WO2017008937A1 - Brûleur à charbon pulvérisé comprenant une buse à combustible monobloc chauffée électriquement - Google Patents

Brûleur à charbon pulvérisé comprenant une buse à combustible monobloc chauffée électriquement Download PDF

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Publication number
WO2017008937A1
WO2017008937A1 PCT/EP2016/060842 EP2016060842W WO2017008937A1 WO 2017008937 A1 WO2017008937 A1 WO 2017008937A1 EP 2016060842 W EP2016060842 W EP 2016060842W WO 2017008937 A1 WO2017008937 A1 WO 2017008937A1
Authority
WO
WIPO (PCT)
Prior art keywords
fuel
heating
burner
resistance wire
air tube
Prior art date
Application number
PCT/EP2016/060842
Other languages
German (de)
English (en)
Inventor
Alfons Leisse
Sebastian Rehfeldt
Original Assignee
Mitsubishi Hitachi Power Systems Europe Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Hitachi Power Systems Europe Gmbh filed Critical Mitsubishi Hitachi Power Systems Europe Gmbh
Priority to PL16723351T priority Critical patent/PL3322935T3/pl
Priority to EP16723351.9A priority patent/EP3322935B1/fr
Publication of WO2017008937A1 publication Critical patent/WO2017008937A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C99/00—Subject-matter not provided for in other groups of this subclass
    • F23C99/001—Applying electric means or magnetism to combustion
    • 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
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/10—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of field or garden waste or biomasses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23Q—IGNITION; EXTINGUISHING-DEVICES
    • F23Q7/00—Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs
    • F23Q7/02—Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs for igniting solid fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2207/00—Ignition devices associated with burner

Definitions

  • the invention is directed to a burner combustion of particulate, especially dusty, carbonaceous fuel, preferably coal or biomass, comprising a fuel mass flow leading fuel or primary air tube having a formed at its brennermündungs professionen end fuel nozzle having a stabilizing ring with radially inwardly facing teeth a sprocket and externally has a conically radially outwardly flared Mantel Kunststoff- or Sekundär Kunststoffabnnenskonus, and comprising a the fuel or primary air tube coaxially surrounding Mantelluft- or secondary air tube and preferably coaxially disposed within the fuel or primary air tube core air tube, wherein the fuel nozzle at least one electrical heating or resistance wire having heating and / or ignition device is formed within the burner for the formation and the sequence of the initial pyro lysis and ignition of the fuel delivered in the fuel or primary air tube required amount of heat energy in the region of the forming fuel ignition location provides.
  • the burner comprises a fuel or primary air tube having at its burner mouth end a fuel nozzle which is integrally formed and a ring gear having radially inwardly facing teeth and on the outside
  • the fuel or primary air tube is coaxially surrounded by a shell air or secondary air tube, which in turn is coaxially surrounded by a tertiary air tube
  • Fuel or primary air pipe is arranged coaxially to this equipped with an ignition lance core air tube.
  • the fuel nozzle acts it is a one-piece, for example by centrifugal casting, manufactured component, which called the mouth cross section of the fuel or primary air pipe, in the case of the combustion of coal dust and dust pipe.
  • the stabilizing ring has the function of detecting the fuel, in particular pulverized coal, conveyed in the fuel or primary air pipe, retarding its flow velocity and redirecting the fuel mass flow. As a result, the necessary conditions for the ignition of the fuel are created, which are necessary for the heat transfer to the fuel and the escape of volatile components.
  • an initial pyrolysis proceeds and burn first by the ignited with the pilot flame of the ignition lance, exiting the pyrolysis of the solid fuel volatiles.
  • the pyrolysis and ignition of the fuel particles directly to the fuel nozzle and here preferably in the region of the ring gear of the Stabilization ring causes.
  • the definition of the location and the time of ignition are of crucial importance, since only in this way the combustion conditions, in particular the stoichiometry, can be influenced.
  • An indefinite ignition of the fuel in the combustion chamber does not allow this, since only a limited influence on the fuel-air ratio can be made here.
  • Such burners are also known from DE 42 17 879 A1, DE 43 25 643 A1 and DE 195 27 083 A1.
  • particulate, carbonaceous fuel burning power plants resulting from the increased feed of renewable electrical energy into the power grid. Since the supply of electrical energy from renewable energy sources in the power grid is not uniform, but depends on the availability of sun or wind, resulting for conventional, fossil fueled power plants demand higher on the load flexibility.
  • particulate carbonaceous fuel such as coal or biomass boilers in particular dust-like fuel with the aid of suitable therefor, in particular low NOx burners of the type described above is fed together with the required amount of combustion air to the combustion chamber.
  • the burners or burner groups are assigned to a number of grinding plants or mills.
  • the respectively currently called steam generator power is changed by the change of the mill or burner power and by the connection and disconnection of individual grinding plants and their respective associated burners.
  • This means that the steam generator capacity is usually controlled by the number of burners or burner groups in operation. This means that with a frequent load change, a corresponding start and stop of the burner must take place.
  • a burner or a burner group may not be started if the associated ignition is not in operation, unless adjacent burner levels are in operation and ensure reliable ignition.
  • the Zündfeuerung usually ignition lances or similar burners, which are arranged in the burner, and with which by combustion of gaseous or liquid auxiliary fuel, such as natural gas or fuel oil, for an ignition of the burner necessary ignition flame is generated to be burned fuel.
  • gaseous or liquid auxiliary fuel such as natural gas or fuel oil
  • igniters include flame monitoring.
  • WO 2015/055443 A1 discloses a generic burner in which the fuel nozzle is provided with a heating or resistance wire and is thereby formed as a heating and / or ignition device.
  • the heating or resistance wire is incorporated and embedded in the material of the fuel nozzle.
  • this embodiment is associated with manufacturing problems. Thus, it is only difficult to incorporate the heating or resistance wire into the fuel nozzle while still ensuring the complete function, in particular as a resistance wire with sufficient heat transfer.
  • the invention is therefore based on the object to provide an alternative or improved solution that allows the equipped with a Mantel Kunststoffär Kunststoffab Anlagenskonus and a stabilizing ring with sprocket fuel nozzle of a burner as an electric heating and / or ignition device for the ignition of the burner formulated fuel.
  • the object is achieved in that the fuel nozzle is integrally formed and next to the stabilizing ring and the Mantel Kunststoffär Kunststoffab Anlagenskonus a fuel or Primär Kunststoffrohrabites includes and that in the Mantel Kunststoff- or secondary air tube facing surface of the shell air or secondary Heilabitzskonus at least one spiral-shaped circumferential groove is formed, in which the at least one heating or resistance wire is wound spirally in at least one multi-turn heating or resistance wire winding.
  • an electrical heating or resistance wire is integrated into a suitable for the initial ignition of the burner, that is in the fuel or primary air tube, funded fuel mass flow point into the fuel nozzle of a designed for ⁇ -poor combustion burner, without while adversely affecting the operation of the fuel nozzle for continuous operation even after ignition of the fuel.
  • the heating or resistance wire outside on the outer surface of the fuel nozzle in particular the Mantel Kunststoff- or Sekundär Kunststoffab Anlagenskonus, taken in one or more grooves wound, the design of the fuel nozzle with its functions as part of the fuel or primary air tube, as Sekundär Kunststoffabweiskehle (Mantel Kunststoff - or secondary Lucasabéeskonus) and obtained as a stabilizing ring.
  • a total electrically heated fuel nozzle By introducing the heating or resistance wire into or onto the material of the fuel nozzle while maintaining the necessary for the low-NO x combustion combustion of the fuel nozzle can be formed in an advantageous manner, a total electrically heated fuel nozzle, the structurally simple and mechanically Machining the surface of the fuel nozzle is easy and inexpensive to produce. Since a fuel nozzle is usually exposed to a high thermal load from the furnace and abrasive wear by the fuel mass flow, this is usually made of a high-alloy steel. The fuel nozzle made of such a steel can be processed mechanically well on their surface with a technically and economically justifiable effort.
  • the heating or resistance wire in the inventive design of the fuel nozzle is not exposed, since it is arranged on the outer surface of the fuel nozzle. With this outer surface, it can protrude into the jacket air or secondary air-conveying flow region of the shell-air or secondary air pipe, in which no abrasive media or only a small number of abrasive particles are conveyed.
  • the outer surface of the spiral heating or resistance wire winding may be covered with a corresponding insulating material.
  • the heating or resistance wire is in the region of the most suitable location for the initial ignition, namely in the immediate vicinity arranged the stabilization ring of the fuel nozzle so that the area formed in the fuel or primary air tube before the stabilizing ring reaches a possible high temperature with the lowest possible electrical heat absorption and thus the lowest possible electrical energy consumption of the resistance wire.
  • grooves or groove-shaped recesses are incorporated in the oblique, conically widening surface of the shell air or Sekundär Kunststoffab Anlagenskonus, advantageously the possibility created on this inclined surface a heating or resistance wire with good heat transfer connection to the material body of the shell air - Or secondary Heilab Anlagenskonus while achieving a good fixation of the heating or resistance wire on the inclined surface.
  • one or more circumferential grooves are formed over the entire length of the shell air or Sekundär Kunststoffab Anlagenskonus on its shell air or secondary air tube facing the spiral and aligned parallel to each other and over the winding course adjacent to each other and with a diameter the at least one heating or resistance wire corresponding width and depth are formed and in which (s) the at least one heating or resistance wire is spirally wound in the multi-turns heating or marssdrahtwickiung, which the invention provides in an embodiment.
  • the width and depth of the groove corresponds at least approximately to the diameter of the heating or resistance wire
  • the heating or resistance wire winding has a plurality of spirally wound heating or resistance wires, whereby the invention is also distinguished.
  • a particularly good fixation of the at least one heating or resistance wire or the plurality of heating or resistance wires in the groove or in the grooves can be achieved by being connected by brazing with the base material or the body material of the fuel nozzle, this measure also makes possible a homogenization of the heat transfer surface insofar as areas where the respective heating or resistance wire is not applied directly to the base material or body material, filled by the first still molten brazing and thus a heat transfer bridge is created.
  • the invention is therefore characterized in another embodiment by the fact that the at least one heating or resistance wire or the plurality of heating or resistance wires by means of a hot-melt soldered hard solder materially connected to the material of the Mantel Kunststoffmaschine Kunststoffabehrskonus and the fuel nozzle is / are.
  • a hot-melt soldered hard solder material ly connected to the material of the Mantel Kunststoff- or Sekundär Kunststoffabehrskonus and the fuel nozzle is / are.
  • the heating or resistance wire winding is covered on its the shell air or secondary air tube facing surface with a heat insulating material.
  • the invention provides in a further embodiment that the inner side of the fuel nozzle facing away from the mantle air or secondary air-deflecting cone is provided with a peripheral stabilizing ring groove in the immediate foot region of the ring gear of the stabilizing ring facing the mantle air or secondary air-deflecting cone.
  • the invention also provides that the depth of the stabilizing ring groove is at least 5% of the width of the stabilizing ring 5 or the toothed rim 6.
  • FIG. 1 is a schematic sectional view of the basic structure of a burner according to the invention, In a schematic sectional view of a portion of a fuel nozzle details of the inventive design and in Fig. 3 in a schematic perspective view one with several heating or
  • the burner designated overall by 1, comprises a fuel or primary air tube 3 arranged coaxially with the longitudinal axis 2 of the burner, at the end of which it has a burner nozzle end, a fuel nozzle 4 is formed.
  • the fuel nozzle 4 is formed in one piece and comprises a stabilizing ring 5, which has a toothed rim 6 with radially inwardly pointing teeth 7 and on the outside a conically radially outwardly widening Mantel Kunststoffoder Sekundär Kunststoffabnnenskonus 8.
  • the fuel nozzle 4 at its the fuel or Primär Kunststoffrohr third facing the end of a fuel or Primär Kunststoffrohrabites 9.
  • the fuel or primary air tube 3 is coaxially surrounded by a shell air or secondary air tube 10, which in turn is coaxially surrounded by a tertiary air tube 1 1.
  • a core air tube 12 is arranged, the mouth of which lies within the fuel or primary air tube 3 at a distance from the teeth 7 of the stabilizing ring 5.
  • a circular fuel feed section 13 is formed in the round burner shown here, in which a fuel mass flow of the fuel intended for combustion is conveyed to the mouth region of the fuel or primary air tube 3, ie the fuel nozzle 4.
  • the fuel delivered here is a particulate, in particular dusty, carbonaceous fuel, preferably coal or biomass, or mixtures of these fuels.
  • in the jacket air or secondary air tube facing surface 14 of the Mantel Kunststoffär Kunststoffab Anlagenskonus 8 at least one helically on the surface 14 circumferential groove 15 is formed.
  • a plurality of spirally encircling and parallel to each other and each groove 15 adjacent to each other is formed on the surface 14 via a winding circulation. These are produced, for example, by mechanical processing of the surface of the fuel nozzle 4 produced in one piece, for example by centrifugal casting.
  • the grooves 15 are shown in FIG.
  • FIG. 2 which schematically illustrates a segment-like section of a fuel nozzle 4 according to the invention above the longitudinal axis 2 of the burner.
  • the groove (s) 15 run more frequently on the surface 14 and extend in the burner longitudinal direction via the Manteuft- or Sekundär Kunststoffab Anlagenskonus 8 and a portion of the fuel or Primär Kunststoffrohrabiteses 9.
  • an electric heating or resistance wire 16 is embedded wherein in Fig. 2, three adjacent turns of a heating wire 16, which is a groove 15 is recessed, are shown by way of suggestion.
  • the other grooves 15 are occupied in the same way with a heating or resistance wire 16 or a portion of such a wound to form a multi-course heating or resistance wire winding 17 on the surface 14 heating or resistance wire 16.
  • the at least one heating or resistance wire 16 is spirally wound in a multi-turn heating or resistance wire winding 17 on the surface 14 of the fuel nozzle 4, which is indicated in Fig. 2 only by the illustrated heating or resistance wires 16, but about the total number of grooves 15 extends.
  • Such wound on the surface 14 of the fuel nozzle 4 heating or resistance wire winding 17 is shown in FIG. 3, in which case a total of three heating or resistance wire windings 17, each having its own electrical connection 21 a, 21 b, 21 c, in the Grooves 15 are wound.
  • each groove 15 is adapted to the diameter of the heating or resistance wire 16 to be inserted therein, so that a tight winding of the heating or resistance wires 16 is possible and they do not protrude or at most slightly above the upper edge of each groove 15
  • the at least one heating or resistance wire 16 or the plurality of heating or resistance wires 16 are materially connected by means of a molten braze hard solder with the material of the jacket air or Sekundär Kunststoffabschenskonus 8 and the B re nn fabric nozzle 4.
  • the heating or Resistance wire winding 17 on its the shell air or secondary air 10 facing surface 22 covered with a planteisoliermaterial.
  • the grooves 15 are introduced by mechanical processing in the base material of the fuel nozzle 4 and serve to guide and fasten the heating or resistance wire 16 or the heating or resistance wires 16 on the conically widening and thus inclined surface 14 of the Mantel Kunststoff- or Sekundär Kunststoffabehrskonus 8 of the fuel nozzle 4.
  • a peripheral stabilizing groove 18 is formed in the immediate foot region of the ring gear 6 of the stabilizing ring 5 facing the shell air or secondary air deflection cone 8.
  • the depth of the stabilizing groove 18 in the axial direction of the burner 1 is at least 5% of the width B of the stabilizing ring 5 or the ring gear 6 in the axial direction of the burner.
  • the one or more feed ends or terminals 21 a, 21 b, 21 c of the heating or resistance wires 16, to which they are connected to an electrical voltage source, are preferably led out of the burner 1 through the jacket air or secondary air tube 10 or its wall. Within the burner 1, these supply lines are designed so that they endure the usual temperatures occurring here of around 300 ° C in the long term.
  • a heat insulating material may be launched, which is preferably such a low thermal conductivity and high heat resistance, for example mineral fibers, rock wool, ceramic wool or ceramic textiles.
  • the heating or resistance wire winding 17 covering heat insulation the cherriesveriuste be reduced due to the convective cooling, which promotes the funded in Mantel Kunststoff- or secondary air tube 10 secondary air and radiation losses, resulting in a reduction of the necessary heat dissipation to the fuel electrical energy demand leads.
  • this layer of insulating material provides protection against ashes possibly contained in the secondary air or jacket air.
  • To cover the insulation or the heating or resistance wire winding 17 covering heat insulating material can be covered with the outer shape of the fuel nozzle 4 adapted components made of thin, heat-resistant steel sheet, covered and fixed.
  • a heating and / or ignition device 19 is provided, which within the burner 1 required for the formation and the course of the initial pyrolysis and ignition of the fuel or primary air pipe 3 funded fuel heat energy in the range of preferably in the area of the stabilization groove 18 provides fuel-Zündortes and generated exclusively by means of electrical energy.
  • the Brennstoffzündort usually forms in the region of the stabilizing ring 5, to which the stabilization groove 18 contributes, which causes a backflow of the supplied particulate fuel and thus a delay in the flow velocity of the fuel or primary air tube 3 and the fuel delivery section 13 supplied fuel mass flow, so that a sufficient heat transfer from the exclusively electrically operated heating and / or ignition device 19 to the fuel mass flow, ie the individual fuel particles, can take place. In this way, the necessary for the ignition of the fuel initial pyrolysis and then taking place ignition of the pyrolysis and then the fuel particles is guaranteed here.
  • the promotion of the particulate fuel mass flow in the region of the stabilizing groove 18 is supported by conventional swirl elements 20 formed in the fuel delivery cross section 13.

Abstract

La présente invention concerne un brûleur comprenant un tube à air primaire qui conduit un débit massique de combustible et qui présente une buse à combustible formée au niveau de son extrémité côté ouverture de brûleur, et comprenant un tube à air secondaire qui entoure le tube à air primaire de manière coaxiale ainsi que de préférence un tube à air central disposé de manière coaxiale dans le tube à air primaire. Selon l'invention, la buse à combustible forme un dispositif d'allumage qui présente au moins un fil électrique résistif (16) et qui fournit, au sein du brûleur, dans la zone du site d'inflammation du combustible qui se forme, la quantité d'énergie thermique nécessaire pour la création et la poursuite de la pyrolyse initiale et l'inflammation du combustible acheminé dans le tube à air primaire. L'invention a pour objet de fournir une alternative de buse à combustible améliorée. A cet effet, la buse à combustible est réalisée de façon monobloc et dans la surface d'un cône de déflexion d'air secondaire, orientée vers le tube à air secondaire est formée au moins une gorge qui s'étend en périphérie de manière spiralée, gorge dans laquelle l'au moins un fil résistif (16) est enroulé de manière spiralée pour former au moins un enroulement de fil résistif (17) comprenant plusieurs spires.
PCT/EP2016/060842 2015-07-16 2016-05-13 Brûleur à charbon pulvérisé comprenant une buse à combustible monobloc chauffée électriquement WO2017008937A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL16723351T PL3322935T3 (pl) 2015-07-16 2016-05-13 Palnik na pył węglowy z jednoczęściową, ogrzewaną elektrycznie dyszą paliwową
EP16723351.9A EP3322935B1 (fr) 2015-07-16 2016-05-13 Brûleur à charbon pulvérisé comprenant une buse à combustible monobloc chauffée électriquement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015111585.9A DE102015111585A1 (de) 2015-07-16 2015-07-16 Kohlenstaubbrenner mit einstückiger, elektrisch beheizter Brennstoffdüse
DE102015111585.9 2015-07-16

Publications (1)

Publication Number Publication Date
WO2017008937A1 true WO2017008937A1 (fr) 2017-01-19

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ID=56014999

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/060842 WO2017008937A1 (fr) 2015-07-16 2016-05-13 Brûleur à charbon pulvérisé comprenant une buse à combustible monobloc chauffée électriquement

Country Status (4)

Country Link
EP (1) EP3322935B1 (fr)
DE (1) DE102015111585A1 (fr)
PL (1) PL3322935T3 (fr)
WO (1) WO2017008937A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106907707A (zh) * 2017-04-17 2017-06-30 北京盛恒鑫业能源科技有限公司 一种煤粉雾化电点火燃烧器
DE102019103640A1 (de) * 2019-02-13 2020-08-13 Mitsubishi Hitachi Power Systems Europe Gmbh Brennstoffdüse mit Dehnungsschlitzen für einen Kohlenstaubbrenner

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3424272A1 (de) * 1983-07-08 1985-01-17 ORGREB-Institut für Kraftwerke, DDR 7544 Vetschau Elektrische zuendeinrichtung fuer haupt- und zuendbrenner, insbesondere fuer kohlenstaub-zuendbrenner
US4649260A (en) * 1983-03-16 1987-03-10 Coal-O-Matic Pvba Lighter for stove, open hearth and similar
EP1972853A1 (fr) * 2007-03-23 2008-09-24 Rauschert Steinbach GmbH Dispositifs d'allumage et leur utilisation tout comme procédé destiné à l'allumage de combustibles solides
EP2657604A2 (fr) * 2012-04-27 2013-10-30 Karl Stefan Riener Dispositif d'allumage électrique pour du matériau combustible dans un dispositif de chauffage et dispositif de chauffage équipé de celui-ci
WO2015055443A1 (fr) * 2013-10-18 2015-04-23 Mitsubishi Hitachi Power Systems Europe Gmbh Procédé permettant d'allumer un brûleur de centrale électrique et brûleur à charbon pulvérisé adapté à celui-ci

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DD249828A3 (de) * 1985-05-28 1987-09-23 Luebbenau Vetschau Kraftwerke Anordnung einer elektrischen zuendeinrichtung in einem kohlenstaubbrenner
DE4217879A1 (de) 1992-05-29 1993-12-02 Babcock Energie Umwelt Brenner für staubförmigen Brennstoff
DE4325643A1 (de) 1993-07-30 1995-02-02 Lentjes Kraftwerkstechnik Brenner zum Verbrennen von staubförmigem Brennstoff
DE19527083A1 (de) 1995-07-25 1997-01-30 Lentjes Kraftwerkstechnik Verfahren und Brenner zur Verminderung der Bildung von NO¶x¶ bei der Verbrennung von Kohlenstaub
DE102005032109B4 (de) 2005-07-07 2009-08-06 Hitachi Power Europe Gmbh Kohlenstaubbrenner für niedrige NOx-Emissionen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4649260A (en) * 1983-03-16 1987-03-10 Coal-O-Matic Pvba Lighter for stove, open hearth and similar
DE3424272A1 (de) * 1983-07-08 1985-01-17 ORGREB-Institut für Kraftwerke, DDR 7544 Vetschau Elektrische zuendeinrichtung fuer haupt- und zuendbrenner, insbesondere fuer kohlenstaub-zuendbrenner
EP1972853A1 (fr) * 2007-03-23 2008-09-24 Rauschert Steinbach GmbH Dispositifs d'allumage et leur utilisation tout comme procédé destiné à l'allumage de combustibles solides
EP2657604A2 (fr) * 2012-04-27 2013-10-30 Karl Stefan Riener Dispositif d'allumage électrique pour du matériau combustible dans un dispositif de chauffage et dispositif de chauffage équipé de celui-ci
WO2015055443A1 (fr) * 2013-10-18 2015-04-23 Mitsubishi Hitachi Power Systems Europe Gmbh Procédé permettant d'allumer un brûleur de centrale électrique et brûleur à charbon pulvérisé adapté à celui-ci

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106907707A (zh) * 2017-04-17 2017-06-30 北京盛恒鑫业能源科技有限公司 一种煤粉雾化电点火燃烧器
CN106907707B (zh) * 2017-04-17 2023-08-29 北京盛恒鑫业能源科技有限公司 一种煤粉雾化电点火燃烧器
DE102019103640A1 (de) * 2019-02-13 2020-08-13 Mitsubishi Hitachi Power Systems Europe Gmbh Brennstoffdüse mit Dehnungsschlitzen für einen Kohlenstaubbrenner
WO2020165357A1 (fr) 2019-02-13 2020-08-20 Mitsubishi Hitachi Power Systems Europe Gmbh Injecteur de combustible à fentes de dilatation pour un brûleur à charbon pulvérisé

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DE102015111585A1 (de) 2017-01-19
EP3322935B1 (fr) 2020-05-27
EP3322935A1 (fr) 2018-05-23
PL3322935T3 (pl) 2020-11-16

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