EP3120074B1 - Dispositif de postcombustion thermique d'air d'échappement - Google Patents

Dispositif de postcombustion thermique d'air d'échappement Download PDF

Info

Publication number
EP3120074B1
EP3120074B1 EP15712287.0A EP15712287A EP3120074B1 EP 3120074 B1 EP3120074 B1 EP 3120074B1 EP 15712287 A EP15712287 A EP 15712287A EP 3120074 B1 EP3120074 B1 EP 3120074B1
Authority
EP
European Patent Office
Prior art keywords
cone
burner
wall
flow
section
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.)
Active
Application number
EP15712287.0A
Other languages
German (de)
English (en)
Other versions
EP3120074A1 (fr
Inventor
Eberhard Wahl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Duerr Systems AG
Original Assignee
Duerr Systems AG
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 Duerr Systems AG filed Critical Duerr Systems AG
Publication of EP3120074A1 publication Critical patent/EP3120074A1/fr
Application granted granted Critical
Publication of EP3120074B1 publication Critical patent/EP3120074B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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 
    • F23C9/00—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber
    • F23C9/006—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber the recirculation taking place in the combustion chamber
    • 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 
    • F23C9/00—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber
    • 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 
    • F23C2202/00—Fluegas recirculation
    • F23C2202/20—Premixing fluegas with fuel
    • 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 
    • F23C2900/00—Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
    • F23C2900/07002—Premix burners with air inlet slots obtained between offset curved wall surfaces, e.g. double cone burners

Definitions

  • the invention relates to a device with an industrial plant and a post-combustion device according to the preamble of claim 1.
  • KBA-MetalPrint from 03/2008 is known with the "thermal exhaust air cleaning TNV" a device for thermal post-combustion of exhaust air with a burner whose burner cone opens in the axial direction of the burner to the downstream cone opening in a funnel shape , The burner is arranged with at least the burner cone in a space upstream of a combustion chamber and surrounded by exhaust air to be treated. In the upstream of the burner exhaust gas stream is provided with the clean gas flow heat energy exchanging shell and tube heat exchanger.
  • the DE 37 38 141 A1 discloses a burner whose burner cone surrounds a fuel nozzle tube.
  • the cone has in its truncated cone jacket-shaped opening wall portion through openings, through which exhaust gas from a leading the exhaust gas and surrounding the cone channel can flow into the cone interior.
  • exhaust gas flows into the combustion chamber through an annular gap formed between the combustion chamber diaphragm and the cone.
  • the burner cone is made of so-called engineering ceramics, in particular of silicon infiltrated silicon carbide.
  • the DE 41 13 681 A1 and the DE 195 45 310 A1 reveal to DE 196 54 009 A1 comparable burner designs, wherein the radial injection into the tangential inlet openings in the DE 41 13 681 A1 However, via radially directed openings in parallel to the inlet openings extending supply channels takes place. Again, for gas turbine or atmospheric furnaces return of a portion of the exhaust gas in the fresh air supplied to form the combustion air can be beneficial.
  • the DE 195 45 310 A1 are provided to form the burner cone several, in the representation of an embodiment, four conical shell-shaped part body. The sub-cone axes of the sub-cone shells lie on a common cone axis, so that results in a broken by inlet channels straight cone shroud line.
  • the DE 195 45 309 A1 discloses a premix burner to be used for example in a gas turbine group with two conical shell-shaped partial bodies, which form between them slot-like tangential inlet openings for the entry of compressed combustion air generated in a compressor.
  • gaseous fuel is injected in the area of the tangential entry slots. If, at partial load, operation is not ensured solely by injection in the region of the slots, fuel is additionally injected via a nozzle via a lance in the area of the return flow zone, thereby avoiding pulsation between full-load and part-load operation.
  • In a cavity between the lance tube limiting the lance and the coaxial in this arranged fuel tube flows combustion air to the opening in the region of the backflow lance head.
  • CH 684 962 A5 discloses a burner for operating an internal combustion engine, a combustion chamber of a gas turbine group or a firing plant with a burner cone also formed by part cone body, wherein fuel is injected in the region of the tangential inlet slots. If required, in addition to the tangential introduction, axial combustion air may at most be introduced into the conical cavity downstream of the ignition electrodes.
  • the DE 102 05 428 A1 relates to a burner for a heat generator. Flow obstacles are provided in the outlet of the burner.
  • the WO 2006/048405 A1 relates to a burner for a heat generator. On the output side of the burner cone transition channels forming baffles are provided in the flow path of the exiting fuel gas flow
  • the US Pat. No. 6,599,121 B2 relates to a burner of a turbo-power machine with a plurality of cone part shells, wherein provided in the intervening slots combustion air with fuel and is introduced tangentially into the cone interior.
  • a partial cross-sectional taper is provided in the axial course of the cone flow by appropriate shaping or internals in at least one peripheral portion, through which the flow profile is deformed.
  • the cross section tapering peripheral portion extends in a downstream last third of the burner cone by 2 ° to 45 °, in particular 5 ° to 15 °, inclined to the burner axis.
  • a firing plant which consists essentially of a combustion chamber with a premix burner. This is due to the combustion
  • the flue gas produced by the fuel is passively returned.
  • the burner cone comprises two tangential inlets formed by displacement of two conical partial bodies for the entry of the combustion air. Fresh air is supplied to the burner axially in the foot region and radially in the cone region as a tangential flow, which tears flue gas into the burner interior via the suction effect of jet injectors.
  • fuel nozzles are provided in the area of the tangential entrances.
  • the DE 100 22 969 A1 relates to a burner for operating an aggregate to produce a hot gas with a burner cone formed by two fan-shaped part conical body.
  • a variety of flow obstacles protrude into the flow.
  • openings for the supply of fuel may be provided in the region of the tangential air openings.
  • the EP 0 780 630 A2 relates to a burner for a heat generator.
  • the burner comprises a conical swirl generator and a fuel nozzle.
  • the burner cone comprises two tangential inlets formed by displacement of two conical partial bodies for the entry of the combustion air.
  • the latter can be enriched with recirculated exhaust gas for preheating.
  • radially or quasi-radial arranged openings are provided, through which a purge air flows into the cross-section induced by the size of the fuel nozzle.
  • the JP 2004 053 048 A discloses a premix burner, wherein appear to be provided in an end face bounding the cone foot of axial bores, which open on the other side in a pilot mixed gas line.
  • the cone comprises windows through which a main fuel gas mixture flows from the outside into the interior of the cone.
  • the US 2007/0254254 A1 relates to a conical cyclone oxidation burner, which the side of its smaller cross-section of coal-containing gas from a pyrolysis plant is supplied.
  • the interior of the cone-shaped burner basket can in the region of the cone wall via hoses fuel z. B. be supplied in the form of propane.
  • rings of openings are provided on the inside of deflection flaps for generating a cyclonic flow.
  • the DE 198 48 661 A1 relates to a thermal afterburner, wherein a burner is arranged with its cone in the exhaust stream. In the conical jacket openings are provided through which the exhaust air flows into the interior. To form a swirl flow, the most downstream openings on inwardly projecting Abluftleitieri.
  • the GB 1 276 199 A relates to a thermal post-combustion system contaminated exhaust air with a burner in the exhaust air flow and comprehensive radial openings comprehensive.
  • EP 0 436 113 A1 discloses a burner of a furnace, which in addition to fresh air from the burner recirculated flue gas is supplied.
  • the invention has for its object to provide a device with an industrial plant and a Nachverbrennungsvorraum.
  • the achievable with the present invention consist in particular that a post-combustion of exhaust air is possible, which works very effective and energy efficient and yet meets high standards in terms of pollutant levels.
  • For high efficiency contributes, for example, a preheating nachverbireden the exhaust air to z.
  • temperatures> 500 ° C and / or for the mixing of the exhaust air to be cleaned with the fuel gases favorable flow guidance of the exhaust air and / or fuel flows.
  • the flame despite possibly additional radial air inlet stabilizing - swirl flow can be an embodiment of the burner cone with tangential Lucaseintriffsöffitch. These may preferably by forming the Brennerkonusmantels or at least a portion with radial symmetry, in particular fan-like and / or twisted arrangement of several, for. B. more than two, preferably four, wall sections of a single or preferably multi-part running wall formed.
  • the formation of the wall protecting from excessively high temperatures air basket can advantageously be due to radial air inlet openings in the wall and / or in particular by an air inlet from the base and / or result from the cone shape or at least encouraged.
  • an annular sheath flow forming the air basket can in an advantageous development between the foot-side front end of the cone shell and an annular, the frontal burner nozzle profile surrounding additional guide element, for. B. baffle, done.
  • the air basket can instead or preferably in addition to the axial supply air flow and / or the swirl flow and / or the preferred cone geometry, d. H. the shell-like structure and / or the conicity, radial air inlet openings, for example as injector, be provided in the cone sheath.
  • the or part of the injector openings may be variable in their degree of opening in order to adjust the air flow and the sheath flow can.
  • the burner cone can, in particular in addition to the axial supply air flow and / or the swirl flow and / or the shell-like conical structure and / or the taper and / or, the radial air inlet openings and / or the flow obstacles comprise a downstream end plate through which a necessary pressure difference in the cone interior and / or termination of tangential inlet openings is effected.
  • Burner and Nachverbrennungsvoriques are z. B. executed in such a way that during operation of the burner, the exhaust air to a temperature level of> 600 ° C, especially greater 650 ° C, preferably> 700 ° C, z. B. about 750 ° C are heated at which the pollutants, eg. As hydrocarbons, decompose with the oxygen from the exhaust air in CO / CO 2 and water.
  • the pollutants eg. As hydrocarbons, decompose with the oxygen from the exhaust air in CO / CO 2 and water.
  • the z. B. a significant and / or compared to the z. B. in Germany applicable limits contains increased hydrocarbon load.
  • the exhaust gas or exhaust air stream to be treated and / or surrounding the burner cone contains at least 5 g / m 3 of hydrocarbon compounds.
  • a heat exchange is provided in the clean gas flow, by means of which thermal energy can be delivered to a fluid flow for a process or for heating the system which delivers the exhaust air to be purified.
  • a device 01 for thermal aftertreatment, in particular for post-combustion, of a gaseous, for example polluted fluid stream 02, z. B. a Nachverbrennungsvorraum 01 comprises a liquid or preferably gaseous fuel 03 can be operated or operated burner 04, in particular a fuel supply 07, z. B. fuel nozzle 07, and a so-called.
  • Brennerkonus 06 comprehensive cone burner 04 which projects with at least its burner cone 06 in the flow path of the fluid stream to be treated 02, in particular exhaust air stream 02, and / or arranged in this.
  • About the fuel nozzle 07 is the preferred gaseous fuel 03, z.
  • natural gas propane or LPG
  • torch cone 06 see, for example, US Pat. Fig. 1 . Fig. 2 and Fig. 3 ).
  • exhaust air for the gaseous fluid to be purified here is intended to mean both a fluid actually present as process exhaust air or "cold exhaust gas” and a “hot” exhaust gas, unless it is deliberately differentiated at the relevant point.
  • exhaust gas and thermally treated by post-combustion fluid or a present as exhaust air or exhaust stream 02 fluid flow 02.
  • the polluted exhaust air is heated by an open flame and oxidizable pollutants, such as hydrocarbons, at high temperatures, eg. As temperatures> 600 ° C, especially greater than 650 ° C, preferably> 700 ° C, oxidized.
  • hydrocarbons are oxidized to carbon dioxide and water.
  • the oxygen required for this purpose for example, as a component of the raw gas to be purified carried by this and / or delivered.
  • the burner 04 is here z. B. not specifically with - in particular compressed - ambient air (ie, a low-pollution clean air gas mixture) fed, but is located in an atmosphere formed by exhaust air or environment with z. B.
  • the burner 04 is in addition to the fuel rohgas paragraph 03 only a polluted, but an oxygen content of z. B. at least 5%, preferably at least 10% entrained exhaust air supplied with a hydrocarbon load of at least 0.5 g / m 3 .
  • a clean gas flow 08 comprising the thermally aftertreated raw gas stream 02 leaves the postcombustion device 01.
  • the burner 04 or its burner cone 06 can be fed directly into a pipe section of the exhaust air flow 02 protrude the system 12 laxative pipeline or be provided in such a pipe section.
  • This pipe section can be widened like a chamber in terms of its cross section with respect to a raw gas inlet and a clean gas side outlet section of the pipeline.
  • the burner 04 is part of a device 01 formed as an independent post-combustion unit 01 and protrudes with at least the burner cone 06 into an exhaust air to be treated inside the unit 01 Raw gas room 09 into it.
  • the raw gas space 09 surrounding the burner cone 06 is adjoined downstream by a combustion chamber 11 into whose inlet a downstream outlet opening 13 of the burner cone 06 opens and which one or more parallel outlet openings 14; 16 has for the exit of the afterburned clean gas from the combustion chamber 11.
  • the inlet opening of the combustion chamber 11 and the burner cone 06 at the level of the outlet opening 13 are z.
  • This entrance slit 18 can as a - possibly up to a few places between the burner cone 06 and the combustion chamber 11 arranged supporting and / or holding elements - continuously circulating or as a total of z.
  • the plane of the inlet opening into the combustion chamber 11 and the plane of the outlet opening 13 of the burner cone 06 need not but can fall together. However, they can also be mutually spaced parallel to each other and in the axial direction of the burner 04, whereby the flat in the event of collapse, the Brennerkonusrand circumferential gap cross-sectional area in the axially offset case forms a frustoconical surface.
  • the fluid to be cleaned 02 can be supplied as Rohgasstrom 02 upstream or Rohgasmon from the system 12 via a corresponding pipeline.
  • the raw gas inlet 16 can lead directly into the raw gas space 09 surrounding the burner cone 06.
  • the feed into the raw gas space 09 takes place via a flow guide along a route section through a flow cross section 21 which is bounded at least on one side by the outside of a combustion chamber wall 22, in particular a longitudinal combustion chamber wall 22.
  • a flow cross section 21 which is bounded at least on one side by the outside of a combustion chamber wall 22, in particular a longitudinal combustion chamber wall 22.
  • outer shell 23 of the Nachverbrennungsaggregates 01, 21 may be formed as a flow cross section 21 on at least one section of an annular annular gap. This can - up to possibly provided support and / or holding elements between the combustion chamber 11 and shell 23 - as reaching over the entire circumference of the circumference or z.
  • exhaust air of the exhaust air stream 02 which is subsequently to be burned further downstream can absorb energy in the form of heat by exchanging heat with the combustion chamber outer wall 22.
  • a heat exchanger 24 for the recuperative heat exchange, z. B. in a design as a tube bundle heat exchanger 24 with a plurality of parallel-flow tubes 26, be provided through which a heat exchange between already nachverbranntem hot clean gas of the clean gas flow 08 and still to be purified raw gas of the crude gas stream 02 takes place or can be done.
  • the heat exchanger 24 may in principle be structurally integrated as a separate unit upstream of the device 01 or, preferably, in the post-combustion unit 01 and downstream of the raw gas inlet 19 in the flow path.
  • the raw gas can in principle either be guided in the tubes 22 of the heat exchanger 24 or, preferably, the tubes 26 of the heat exchanger 21 flow around on the outside.
  • the clean gas can flow around the tubes 26 of the heat exchanger 21 on the outside or else preferably be guided in the parallel tubes 22 of the heat exchanger 24 to a common collection and discharge space 27, before the clean gas flow 08 leaves the device 01 through a clean gas outlet 28.
  • the unpurified exhaust air is passed over the tube bundle of the heat exchanger 24 in the cross / counterflow.
  • the exhaust air is preheated and flows in the outer annular gap 21 around the combustion chamber 11 to the other end of the combustion chamber 11, where it is deflected in the direction of the burner 04.
  • a portion of the exhaust air flows in an advantageous, explained in more detail embodiment, from the side and / or from the upstream end side by the burner 04 itself and also serves as an oxygen supplier for combustion in the burner 04, another part flows on the burner 04th Passing through the example, annular inlet gap 18 in the combustion chamber 11. Both parts are then with the hot burned exhaust / gas mixture from the burner cone 06 to a desired temperature of z. B.> 700 ° C, z. B.
  • the noxious gases contained in the unburned exhaust air (mainly hydrocarbons) then burn in the combustion chamber to CO 2 and water as soon as they have reached the desired reaction temperature.
  • the turbulence in and the geometric design of the combustion chamber 11 is advantageously dimensioned such that the residence time in the combustion chamber 11, z. B. at least 0.5 s, designed so that the proportions of the legally permitted residual contents of CO, NO x and unburned hydrocarbons are exceeded.
  • the burnt, purified exhaust air then flows through the tubes of the heat exchanger 24 and gives off a large part of their heat to the inflowing unpurified exhaust air.
  • an adjustable flap 31 be provided remotely variable flow rate.
  • a gas conveyor 32 for. B. designed as a fan, as a compressor or as a pump conveyor, be provided.
  • a device for heat recovery 33 may be provided in the flow path of the clean gas stream 08.
  • the heat recovery can be based on any technology, but is preferably recuperative with a heat over a heat exchanger 36 between the still hot clean gas flow 08 and a fluid of Nutzumble textbooken heat transfer fluid flow 37, z. B. a Schufluid Vietnameselaufs 37, executed.
  • the device for heat recovery 33 may in principle also be structurally integrated in the post-combustion device 01 configured as an assembly 01, it is preferably configured as an independent sub-assembly 33 of the post-combustion device 01 in a system for exhaust air treatment. It may, for example, a heat dissipation via, for example, the flow guidance by means of an actuating means 38, for example an actuator 38, via an adjusting element 39, z. B. a system adjustable flaps 39, be remotely variable.
  • the temperature of the device for heat recovery 33 leaving clean gas flow 08 ' which, for example, downstream of z. B. is to give a fireplace 41 to the environment is varied within limits. This may possibly be necessary to comply with the dew point limit to be observed for the chimney flue.
  • burner cone 06 does not refer to a cone as a body in terms of its geometric meaning with a regular and z.
  • wall 43 or wall structure 43 may in one or more perpendicular to the axial direction of the burner 04 cross-sectional views form a deviating from the circle irregular and possibly interrupted locally broken inner circumference line (see, eg. Fig. 6 and Fig. 7 ).
  • the space surrounded by the burner cone 06 or its wall 43 or multi-part wall structure 43 forms the premixing chamber 42, in which (residual) oxygen-containing exhaust gas and the fuel 03 can mix.
  • the axial direction of the burner 04 is z. B. by the course of a center of gravity or symmetry axis S of at least in a funnel-shaped cone longitudinal section with respect to its interior limiting side of its wall rotationally symmetric or at least n-fold ( n ⁇ IN . n> 1), z. B. at least twice, radiärsymmetrisch trained burner cone 06 given. Upstream and / or side of this opening longitudinal section of the burner cone 06 does not have, but can - which is at least the interior of the limiting side of its wall 43 or Wandstriktur 43 relates - also in the above manner symmetrical, z. B. at least radially symmetrical, be formed.
  • z. B at least radially symmetrical to be executed about the axis of symmetry S.
  • radial symmetry or rotational symmetry is here to understand a form of symmetry in which the rotation of an object by a certain angle about an axis of symmetry brings the object again with itself to cover.
  • a rotation of 360 ° / n forms the object on itself.
  • the fuel nozzle 07 comprises at least one fuel outlet 44 for delivering the z. B. liquid or preferably gaseous fuel 03 into the interior of the burner cone 06 formed premixing chamber 42.
  • the fuel nozzle 07 can basically be performed in any geometry with one or more directed toward the premixing chamber openings 44 as an outlet or outlets. However, it is preferably - at least in the region of its cone-shaped end portion - tubular and designed with a frontally centrally provided circular disk or annular fuel outlet 44 forming opening 44. In a variant, further, possibly smaller openings may be provided symmetrically around the central opening 44.
  • the fuel nozzle 07 and the burner cone 06 are viewed in the axial direction advantageously arranged such relative to each other, so that at least one foot portion of the burner cone 06, z. B. an upstream end of the wall 43 or a specially provided Konusfuß 46, which carries the upstream end of the wall 43 and the wall construction 43, the fuel nozzle 07 at least at the level of the at least one Brennstoffauslasses, but preferably on a fuel outlet upstream extending longitudinal section , z. B. in the manner of a cuff surrounds.
  • upstream, upstream, downstream and downstream refers to the axially-oriented flow direction of the fuel in the outlet region of the fuel nozzle 07, unless stated otherwise or obviously different.
  • this forms the upstream end of the burner cone 06 and carries the one- or multi-part cone shell-side wall 43 or wall structure 43. Otherwise, the upstream end of the burner cone 06 by the upstream end of the wall 43 and the Wandkonstritation 43 formed.
  • the conical base 46 may be structurally attributable to the fuel nozzle 07, with a detachment between the cone foot 46 and the wall 43 or wall structure 43 taking place to remove the premixing chamber 42. Conversely, however, the conical base 46 may be structurally attributable to the burner cone 06, wherein the torch cone 06 is removed by loosening the cone foot 46 carrying the wall 43 or wall structure 43 from the burner nozzle 07 or an attachment 47 of the burner nozzle 07 between the fuel nozzle 07 and Konusfuß 46 takes place. In addition, for further disassembly of the burner 04, the cone foot 46 can also be detachably connected to the wall 43 or wall structure 43.
  • the bottom of the foot 49 may be formed by the Konusinnern facing side of a designed as a closure ring or spoke ring cone 46, viewed in the circumferential direction of the fuel nozzle 07 a plurality of predominantly extending in the axial direction and / or a predominant axial flow permitting bushings 48 -. B. between spoke-like support elements remaining open areas or introduced into a ring axial openings - have.
  • the footing 49 also by a completely open space between the upstream end of the wall 43 and the fuel nozzle 07 may be formed at the axial height or axially upstream of the fuel nozzle end, if the cone 06, for example, not at the burner nozzle 07 or this storm upstream füritatiden pipe section, but from the outside, z. B. is attached to a Abgaskamme- or combustion chamber wall.
  • a plurality of feedthroughs 48 are provided around the fuel nozzle 07 and / or at least about their projection along the symmetry axis S in the plane perpendicular to the symmetry axis S.
  • the bushings 49 are z. B. such that they cause the exit of the exhaust air into the cone interior in a predominantly axial flow.
  • the cone foot 46 is formed by a component in the manner of a face plate with a preferably annular, for example, the preferred tubular fuel nozzle 07 receiving in the assembled state receiving opening and z. B. releasably connected to the fuel nozzle 07 non-positively and / or positively.
  • the Konusfuß 46 is preferably designed annular and may be formed in the manner of a clamping ring set, wherein one of the two clamping rings, the wall 43 and wall structure 43 carries and frictionally connected by a clamping ring with the fuel nozzle 07 on the outer circumference.
  • the cone foot 46 by a front plate z. B. in execution of a flange 46, in particular flange rings 46, formed with inspirationalr annular recess which arranged with a, for example, on the circumference of the fuel nozzle 07 with a flush or preferably with an offset to the nozzle end side of the fuel nozzle 07, as flange 47, in particular flange 47th , trained attachment 47 is connectable (see eg Fig. 8 ).
  • the z. B. designed as a clamping ring or flange 46 cone base 46 is preferably arranged in the assembled state with its circular opening centric to the axial direction of the burner 04.
  • the wall 43 or the wall construction 43 is arranged with its upstream end at least on part of the circumference in sections, advantageously predominantly, preferably radially spaced over the entire peripheral area to the lateral surface of the particular tubular burner nozzle 07, so that between the upstream end of the wall 43 and the wall construction 43 at least in the circumferential direction of the burner nozzle 07 sections, but preferably - except for possibly provided support and / or holding elements - fully in the radial direction, a gap with a distance d, z. B. a distance d of at least 1 mm, advantageously of at least 5 mm, in particular at least 10 mm between the combustion nozzle 07 and the wall 43 or wall construction 43 is present. Possibly. can in this end an annular and z. B.
  • the optionally interrupted free space in this case represents a through-flow of fluid in an end footing 49 of Brennerkonus 06.
  • the bottom 49 denotes the narrower upstream end of the Brennerkonus 06, which surrounds the downstream end of the fuel nozzle 07 and the latter together forms the upstream end of the premixing clip 42.
  • the tubular burner nozzle 07 embracing - cone 46 carries this the upstream end of the wall 43 and the wall construction 43 at least on a part of the circumference in sections, advantageously predominantly, preferably in the entire peripheral region radially spaced from the lateral surface of the particular tubular burner nozzle 07, so that on the premix chamber facing side of the cone foot at least in the circumferential direction of the burner nozzle 07 sections, but preferably fully a distance d in the radial direction, z. B. a distance d of at least 1 mm, advantageous of at least 5 mm, in particular at least 10 mm between the combustion nozzle 07 and the wall 43 or wall construction 43 is present.
  • Konusfuß 46 in this end an annular space between the burner nozzle shell and the upstream end of the wall 43 and the wall construction 43 with a ring width of z. B. at least 1 mm, preferably at least 5 mm, in particular at least 10 mm before.
  • Konusfuß 46 in the circumferential direction a plurality of opening into the gap, z. B. as air inlet nozzles 48 effective bushings 48 are provided.
  • the passages 48 open in the interior of the premixing chamber in the base 49 or on the bottom 49 delimiting front chamber side end of the trained especially in the manner of a face plate cone foot 46, within the circumference surrounded by the upstream end of the wall 43.
  • the bushings 48 end, for example, z. B. coming from the upstream end side of the Konusfußes 46 forth, formed in a between the upstream end of the wall 43 and wall construction 43 and the Brenstoffdüsenmantel space.
  • the bushings can basically any, z. B. as round holes or in the form of spaces formed by spoke-like struts. In an advantageous embodiment, they are designed as slit-like channels in a rectangular shape, which establishes a guided flow for the purpose of forming an air cushion or basket on the wall inside.
  • the burner 04 advantageously has at least one opening of the at least one space 09 surrounding the burner 04, preferably leading into the cone interior at the front side Feedthrough 48 (as an open ring or as a plurality of feedthroughs 48) preferably in an upstream foot section at the axial height or upstream of the downstream end of the fuel nozzle 07, ie, depending on how it is carried out, its raw or outlet port 14.
  • the without specially provided cone foot 46 z. B. annular possibly open up to support and / or holding elements or by the cone foot 46 entirely or preferably only partially completed upstream end of the burner cone 06 and the burner cone 06 formed by the premixing chamber is also referred to as the bottom 49 of the burner cone 06 and is in a preferred embodiment of gaseous fluid, for example, exhaust air from the raw gas space 09, flowed through.
  • a flow through the foot base 49 can in this case take place with the flow component running predominantly in the axial direction of the burner 04, ie. h., The vector characterizing the flow has in the axial direction the direction component which is larger compared to a radial component.
  • a flow through the foot base 49 in the axial direction without a significant radial component is preferred.
  • the exhaust air flows as supply air through the passages 48 in the cone base 46, otherwise by the sectionally or fully free space between wall 43 and wall construction 43 and burner nozzle shell.
  • the burner 04 is thus in the result between the upstream end of the on or multi-part wall of the burner cone 06 and the outer circumference of the surrounding of a foot portion of the burner cone 06 burner nozzle 07 at the level or upstream of the fuel nozzle orifice formed with a at least predominantly in the axial direction of gaseous fluid to flow through the bottom 49.
  • the predominantly axially extending lead-through 48 preferably leads from an end-side opening to the environment to the mouth lying in the bottom 49.
  • a completely continuous or partially multi-part guide element 51 can be arranged radially between the at least one fuel outlet and the bushings on a radially inner circle lying opposite the mouth of the one or more base-side bushings 48 , By the guide element 51 and the relevant section flowing through the respective passage 48 fluid, z.
  • exhaust gas directed in a direction inclined to the symmetry axis S direction in the direction of the funnel-shaped opening wall 43 and forms at this a sheath flow.
  • baffle 51 an annular sheath flow from the fluid, z.
  • the guide element 51 is preferably formed as a fully extending guide plate 51 and is formed for example in the form of a truncated cone opening which opens downstream in the axial direction.
  • the measured against the symmetry axis inclination angle ( half the opening angle) of z.
  • konstumpfmantelartig shaped baffle 51 should in the range of the opening for the cone portion preferred angle range, for. B. in the range of 10 ° to 20 °, in particular 12 to 16 °.
  • the guide element 51 formed in particular as a guide plate 51 extends in the axial direction z. B. at least from the height of the downstream end of the fuel nozzle 07 shell side limiting Pipe piece forth over at least a length of 10 mm, preferably at least 20 mm.
  • axially present flow direction can be effectively directed towards the wall.
  • the baffle 51 should initially extend tubular over the length of the straight entrance section and following the bend of the wall 43 still over at least 10 mm, preferably at least 20 mm ,
  • the burner cone 06 as a one-part or multi-part component comprises a premixing chamber 42 opening funnel-shaped on at least one longitudinal cone section in the cross-sectional area.
  • the burner cone 06 or its wall 43 projects on the fuel outlet 44 in the axial direction of the fuel outlet 44 Burner 04 downstream, funnel-shaped cone longitudinal section, a portion of the premixing chamber with a with increasing distance from the fuel outlet steadily increasing, measured perpendicular to the axial direction flow cross-sectional area surrounded and / or enveloped.
  • the torch cone 06 can, as shown here in the example, on its entire length - for example, except for a possibly provided specifically for holding the cone foot 46 and / or a possibly specifically for stability and / or functional reasons provided closing element 53 - be funnel-shaped opening.
  • it may comprise an input section of constant cross-sectional area with a correspondingly shaped wall and / or an output section of constant cross-sectional area with a correspondingly shaped wall.
  • the burner cone 06 downstream of the funnel-shaped opening section may have a re-tapered section.
  • the wall 43 or wall construction 43 in a first embodiment - as far as the inner wall surface area - in at least the opening cone longitudinal section in one piece and / or rotationally symmetrical about the coincidence with the axis of symmetry axial direction of the burner 04 may be executed. This may also be the case irrespective of possibly provided air passage openings for the wall 43, which may then be interrupted at certain points.
  • the latter has at least in the funnel-shaped conical longitudinal section a wall structure which is n-fold radiatively symmetrical with respect to the axial direction relative to the premix chamber (with n n ⁇ IN .
  • the individual shell-like wall sections 43.1; 43.2; 43.3; 43.4 of the multi-part wall construction 43 when trained as truncated cone shells with their considered in cross-section lines on circular lines or training as Pyramidenstupfrow with their cross-sectional lines on a closed polygonal pyramidal base arranged, with the wall 43 and wall structure 43 surrounded space in itself opening cone longitudinal section in the first case has the shape of a truncated cone and in the second case of an m-side truncated pyramid (here then with n m).
  • this by the wall 43 or wall structure 43 defined interior thus accommodate a maximum (virtual) truncated cone, in the first case areal with the entire wall 43 surrounding the interior or wall structure 43 and in the second case along the line Side heights of the truncated cone sides is in touching contact with these.
  • the wall 43 or wall construction 43 surrounding and / or enveloping the burner cone 06 on the entire or at least part of the funnel-shaped cone longitudinal section in FIG Axial direction perpendicular cross-section considered at least one interruption, in particular a plurality of interruptions 54, z.
  • air or exhaust air inlet openings 54 through which to be treated exhaust air from the space surrounding the burner can flow into the burner interior.
  • these exhaust air or air inlet openings 54 are formed as radially outwardly from the circumferential line elevating tangential inlet openings 54 for a tangential air inlet of the burner cone 06 surrounding air or exhaust air.
  • These tangential inlet openings 54 which are preferably slit-shaped or slit-shaped in the longitudinal direction of the burner 06, are preferably formed by the fact that the inlet opening 54 between adjacent peripheral sections of a single- or multi-part wall 43, respectively, forms at the axial height of a relevant inlet opening 54 in the circumferential direction Wall construction 43 with respect to the axis of symmetry S radially spaced from each other.
  • these inlet openings 54 by the corresponding configuration of peripheral portions with openings and shaping of a one-piece wall 43 or preferably by the geometric arrangement of individual wall sections wall portions 43.1; 43.2; 43.3; 43.4 be formed.
  • these inlet openings 54 When forming a negative pressure in the cone interior, only air with at least one significant tangential component can then be sucked through the inlet openings 54.
  • the inner wall of the wall 43 or wall structure 43 of the burner cone 06 which delimits the premix chamber on the outside, is formed at least in the funnel-shaped cone longitudinal section in its shape and structure for receiving a maximum (virtual) cone stump of the largest possible cross-sectional profile, which is defined thereby in that it has at least two axially spaced-apart cross-sectional planes, each at least three in the circumferential direction spaced apart locations, wherein in a the axis of symmetry S comprehensive sectional plane of the burner cone 06 projected, extending in the truncated cone shell in the longitudinal direction of the burner surface generatrix of this maximum virtual straight truncated cone with the axial direction or symmetry axis S an inclination angle of 5 ° to 15 °, in particular from 7 ° to 12 °, preferably from 10 ° ⁇ 1 °, forms.
  • tangential air or exhaust air inlet openings 54 are formed through which a spin is excited in the cone interior.
  • the burner cone 06 thus preferably comprises at least in the funnel-shaped opening Brennerkonusab mustard the wall 43 n, z. B. more than two or even at least four by the example fan-like arrangement of preferably (partially) shell-like wall sections 43.1; 43.2; 43.3; 43.4 formed, in the circumferential direction spaced apart and radially each from the preceding circumferential shell section in particular outwardly - radially rising tangential inlet openings 54 for a tangential air inlet of the burner cone 06 surrounding exhaust air.
  • the second variant with shell-like, z. B. truncated cone shell-shaped or truncated pyramidal side or otherwise, shaping the n are radially symmetrically offset wall sections 43.1; 43.2; 43.3; 43.4 is arranged rotated about a respective parallel to the axial direction or axis of symmetry S extending imaginary axis with respect to a closed truncated cone shell structure or pyramidal stump sheath structure forming orientation.
  • the axes cut z. B. in this case all a concentric about the axis of symmetry S extending circular line equidistant from each other in the circumferential direction.
  • the pitch cone axes are formed in the form of part cone shells wall sections 43.1; 43.2; 43.3; 43.4 not on a common cone axis, so that the o. G. tangential inlet openings 54 in their opening cross section on the outside of the wall 43 radially each rise from the circumferentially preceded before circumferential peripheral portion.
  • the wall sections 43.1; 43.2; 43.3; 43.4 as equally large shell segments 43.1; 43.2; 43.3; 43.4 of a profile closed in radial symmetry, z. B. kegelstupfmantel- or z.
  • Eg I - fold ( l ⁇ IN . I ⁇ n, z. B. I n * m) executed truncated cone shaped cone shell, which against one above mentioned -. B. parallel to the axis of symmetry S - axis are rotated by the same angle.
  • shell segments 43.1; 43.2; 43.3; 43.4 can each be extended slightly in the circumferential direction relative to their length in closed form (see angle ⁇ ), so that the thus twisted shell segments 43.1; 43.2; 43.3; 43.4 in the circumferential angle with respect to the axis of symmetry S continue at least directly or advantageously slightly overlap.
  • an embodiment of the burner cone 06 is of particular advantage, wherein the wall sections 43.1; 43.2; 43.3; 43.4 of the burner cone 06 in the region of the premixing chamber 42 outwardly bounding wall 43 and wall construction 43 are formed at least in the - quasi funnel - opening cone longitudinal section in shape and structure such that the sharpest virtual truncated cone a cone or opening angle of at least 10 °, advantageously at least 14 °, d. H.
  • the blunt virtual truncated cone has in such an embodiment with in the circumferential direction of the shells varying inclination a maximum cone or opening angle of z. B. at most 50 °, preferably at most 40 °, on, d.
  • An "average" conicity or a mean inclination angle ⁇ * which can be used in this way for a more precise geometric characterization, is formed, for example, by averaging.
  • the averaging for example, determined by integral averaging along the circumferential direction over the inclination of all surface lines, ie averaging over the respective circumferential length, corresponds to the mean value of the plane passing through the axis of symmetry S over the plane considered circumferential portion, z. B. the 360 ° circumference or surrounded by the respective wall portion angle range, on the inside of the wall 43 and wall construction 43 resulting average.
  • This average inclination may advantageously be 10 ° to 20 °, in particular 12 ° to 17 °.
  • Embodiment of the wall sections 43.1; 43.2; 43.3; 43.4 in the form of mutually rotated shell segments of a radially symmetrical pyramid or truncated cone corresponds to z.
  • the integral mean is the arithmetic mean.
  • the inclinations at the two points of greatest deviation deviate by at most 5 °, advantageously by at most 3 ° from one another.
  • the downstream funnel-shaped cone longitudinal section of the burner cone 06 (cone section) is thus a plurality, for. B. the number n, thus formed with the first and second ends of different inclination wall sections 43.1; 43.2; 43.3; 43.4 arranged staggered in the circumferential direction of the burner cone 06 in such a way that in Circumferentially viewed a less inclined second end of a over a first angular range, z. B.
  • first wall section 43.1; 43.2; 43.3; 43.4 by a continuous to the first angle range with respect to the center of the burner longitudinal axis related angle or with a small angular coverage ⁇ (overlap) subsequent to the second end of the first wall section 43.1; 43.2; 43.3; 43.4 more inclined first end of a second wall section 43.2; 43.3; 43.4; 43.1; will continue.
  • the related to the axis of symmetry S through the respective adjacent wall sections 43.1; 43.2; 43.3; 43.4 angle sections covered in the circumferential direction continued at least completely or even slightly overlap in the above sense.
  • the fan-like adjacent cone wings 43.1; 43.2; 43.3; 43.4 converge with their end sections or such as B. in an advantageous embodiment as shown radially spaced from each other to limit the cone bottom 49.
  • the closes between the adjacent cone wings 43.1; 43.2; 43.3; 43.4 towards the bottom 49 in the preferred second case between the adjacent conical wings 43.1; 43.2; 43.3; 43.4 to the bottom 49 towards a tangential air or exhaust air inlet opening 54 is formed, which, however, can taper to the bottom of the foot in its gap width.
  • Fig. 6 and Fig. 7 is the facts for the stated embodiment with varying Slope for the second variant illustrates, with in Fig. 7 by a schematic representation of two axially spaced-apart cross sections I - I; II - II (see eg Fig. 6 ) of the opening conical longitudinal section, an inner virtual truncated cone shell M1; M2 are indicated by the circle lines K1 and K1 ', and an outer virtual truncated cone shell by the circular lines K2 and K2' are indicated.
  • I - I; II - II see eg Fig. 6
  • an inner virtual truncated cone shell M1; M2 are indicated by the circle lines K1 and K1 '
  • an outer virtual truncated cone shell by the circular lines K2 and K2' are indicated.
  • FIG. 6 are, for example, a rotationally symmetric Brennerkonusaus entry an example of an inner virtual truncated cone smaller inclination angle ⁇ 1, which can correspond to an actual inclination angle ⁇ as "effective" inclination angle, for example in rotational symmetry, an example of an external virtual truncated cone present greater inclination angle ⁇ 2 and a by an above Averaging exemplarily averaged averaged angle of inclination ⁇ * indicated.
  • the cone 06 is preferably designed with such an effective or medium inclination, so that the resulting effective or average inner radius or diameter from the upstream end to the downstream end of the funnel-shaped cone section by a factor of 4.8 to 5.8, in particular 5 , 0 to 5.5 magnified.
  • sheath segments 43.1; 43.2; 43.3; 43.4 of a profile closed radially symmetrical cone shell - possibly with the extension in the circumferential direction to form the closed angle range and possibly an overlap - are the wall sections 43.1; 43.2; 43.3; 43.4 by equally large shell segments 43.1; 43.2; 43.3; 43.4 of a z. B.
  • the inclination of the pyramid side surfaces against the axial direction in the first case and the inclination of the truncated cone surface in the second case preferably that of the above-mentioned actual or effective angle of inclination ⁇ corresponds, ie at 5 ° to 15 ° . in particular 7 ° to 12 °.
  • the rotation for example, by 3 ° to 10 °, about the respective axis causes the result of the twisting at the two peripheral ends of the shell segment 43.1; 43.2; 43.3; 43.4 mutually different inclination ⁇ 1; ⁇ 2 against the symmetry axis S or the axial direction of the burner cone 06 or burner 04.
  • the ends of the circumferentially adjoining, but in the end region radially spaced shell segments 43.1; 43.2; 43.3; 43.4 can be partially connected to each other via support elements 68 and thus increase the strength of the cone structure.
  • the burner cone 06 can downstream by a with the wall 43 and wall construction 43 - in particular material or form-fitting - connected closure member 53, z. B. a surrounding the opening end plate 53, be completed.
  • This end plate 53 can only be embodied for stiffening and / or for forming a collar 62 or edge region 62 that surrounds the end-side outer contour of the wall 43 or wall construction 43 in a collar-like manner.
  • the end plate 53 may be designed for stiffening.
  • the funnel-like opening cone section has the wall 43 and wall structure 43 in the circumferential direction a plurality of obliquely in the longitudinal direction of the burner 04 against the axial direction of the burner 04 extending planar segments, for. B. flat sheet strip on, which forms viewed in cross section chordal extending peripheral portions.
  • a z. B. manufacturing technology advantageous embodiment for a number n of wall sections 43.1; 43.2; 43.3; 43.4 comprehensive embodiment, the wall sections 43.1; 43.2; 43.3; 43.4 in turn in the circumferential direction by a number m of individual segments 43.1x; 43.2x; 43.3x; 43.4x (see eg Fig. 7b ), with x 2 to m, m ⁇ IN . m> 1, z. B. m> 3, in particular n ⁇ 5).
  • the m segments 43.1x; 43.2x; 43.3x; 43.4x are connected to each other and in the region of the upstream end with, for example, the cone base 46 and / or in the region of the downstream burner cone end with, for example, a closure element 53, in particular a material or positive fit.
  • sheath segments 43.1; 43.2; 43.3; 43.4 formed in a closed profile radially symmetrical conical shell wall sections 43.1; 43.2; 43.3; 43.4 include the n shell segments 43.1; 43.2; 43.3; 43.4, for example, a truncated pyramid in turn segments 43.1x; 43.2x; 43.3x; 43.4x, where z. B. for the inclination of the partial surfaces to apply to the inclination of the pyramid side surfaces mentioned.
  • the cone shell is then essentially - d. H.
  • the wall 43 or wall construction 43 in its interior enclosing wall surface of possibly tangential air inlet openings 54 different axial air or exhaust air inlet openings 56; 57 include, which as z. B. round holes 56 or formed as a slit-like profile recesses 57 are formed and at least by fluid with a purely radially to the symmetry axis S directed flow direction can be flowed through.
  • Both types of air or exhaust air inlet openings 56; 57 may be provided. Furthermore, exhaust air inlet openings 56; 57, preferably slit-like exhaust air inlet openings 57, with edge-side outwardly spread part covers, 58, z. B. flaps 58 may be provided. These flaps 58 may, for example, substantially the shape of the respective exhaust air inlet openings 56; 57 correspond and for adjusting the passing air or exhaust air flow in the inclination to the surrounding closed lateral surface changeable, z. B. at the on one side of the exhaust air inlet opening 56; 57 edge of the flap 58 existing connection bendable be.
  • the radial air or exhaust air inlet openings 56; 57 in the wall 43 and wall construction 43 are effective as Zu Kunststoffinjektoren and also contribute on the inside wall side to the formation of the air cushion or basket and / or to the oxygen supply.
  • Basically independent, advantageous in combination of one or more of the above advantageous design features of the burner 04 is the execution of the turbulence of the outside on the burner 04 flowing past fluid stream, in particular exhaust air stream 02, favoring embodiment of the viewed in the axial direction of the burner 04 downstream end of the cone with several out through the frontal Contour of the one or more part cone jacket 43 surrounding the premix chamber and possibly the cover 61 protruding in the plane of the outlet opening 13 of the burner cone 06 into the space surrounding the burner cone 06, in particular into the inlet gap 18 downstream of the downstream Combustion chamber 11, extending in the circumferential direction of the Brennerkonus 06 spaced apart first and / or second flow obstructions 59; 63; 64; 66.
  • These can basically be formed or fastened directly in the region of the front end on the wall of the wall 43 forming the cone shell or wall construction 43 itself.
  • the flow obstacles 59; 63; 64; 66 have the function to effectively mix the hot combustion gases from the flame with the outside of the burner 04 through the inlet gap 18 passing into the combustion chamber 11 incoming air.
  • the inclined or just to the plane of the outlet opening 16 extending, z. B. as a guide vanes 59; 63; 64; 66 trained flow obstacles 59; 63; 64; 66 disruptively disturb the airflow passing through the entrance slit 18 and / or the substantially rotationally symmetric conical flow in the burner cone 06 and with this the substantially rotationally symmetrical flame, thereby mixing the gas flows from the burner interior and the entrance slit 18.
  • molded or fixed flow obstacles 59; 63; 64 are z. B. as a guide vanes 59; 63; 64 formed from flat sheet material, which is flat or at least a flat portion are executed, wherein they are arranged with the or at least one of its planar portions preferably inclined to the plane perpendicular to the axial direction of the outlet opening 16.
  • the guide vanes 59; 63; 64 executed flow obstacles 59; 63; 64 at one of its sides at the edge of the end plate 53 so connected or connected so that they are more or less bend to adjust the turbulence.
  • first flow obstacles 59 designed as planar guide vanes 59 can be arranged with an edge on an edge section of the section of cover plate 62 which terminates the tangential air or exhaust air inlet openings 54 on the front side.
  • second flow obstacles 63 designed as planar guide vanes 59, can be used; 64 with an edge at an edge portion of the wall 43 and wall construction 43 in the region of the wall sections 43.1; 43.2; 43.3; 43.4 covering portion of the cover plate 62 may be arranged.
  • Guide vanes 59; 63; 64 in particular the first guide vanes 59, can in principle all point away from the plane of the outlet opening 16 downstream or downstream, or preferably to a part upstream and to the other part downstream.
  • Guide vanes 59; 63; 64, in particular the second guide vanes 63; 64 may be arranged as a pair of guide vanes 63, 64 viewed in the circumferential direction on both sides of a radially outward extent of the cover plate 62 reaching out section 66, wherein z. B. one away from the plane of the outlet opening 16 downstream and the other upstream.
  • the above device 01 for thermal aftertreatment comprises the burner 04 in one of the abovementioned embodiments with one or a combination of several of the features highlighted above as being advantageous.
  • the combustion chamber 11 has in its interior a swirling device 67 attributable to the chamber, for example a baffle plate 67. Trained as baffle 67 swirling 67 extends z. B. parallel to the plane of the outlet opening 16 of the burner 04 and substantially centric to the axial direction of the burner 04th

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion Of Fluid Fuel (AREA)
  • Incineration Of Waste (AREA)

Claims (16)

  1. Dispositif comprenant une installation industrielle (12) et un dispositif de postcombustion (01) prévu dans un flux d'air d'échappement (02) de l'installation industrielle (12), séparé de l'installation industrielle (12) et disposé en aval de celle-ci, pour la postcombustion d'air d'échappement provenant du flux de gaz d'échappement (02), le dispositif de postcombustion (01) comprenant un brûleur (04) présentant une buse à combustible (07) et un cône de brûleur (06) qui pénètre au moins avec son cône de brûleur (06) dans un espace de gaz brut (09) dans l'air d'échappement à traiter du flux d'air d'échappement (02) provenant de l'installation (12) située en amont, le cône de brûleur (06) présentant une paroi d'une seule pièce ou en plusieurs parties (43) entourant une chambre de prémélange (42), et la buse à combustible (07) comprenant une ouverture d'au moins une sortie de combustible (44) pour délivrer du combustible dans la chambre de prémélange (42), et la paroi (43) limitant vers l'extérieur du côté de l'enveloppe la chambre de prémélange (42) présentant une structure, de telle sorte que la chambre de prémélange (42) réalisée à l'intérieur de celle-ci s'ouvre dans la direction aval en forme d'entonnoir sur au moins une portion longitudinale du cône symétriquement par rapport à un axe de symétrie (S) définissant la direction axiale du brûleur (04), le cône de brûleur (06) comprenant, dans au moins une portion longitudinale de la portion longitudinale de cône de la paroi (43) s'ouvrant en forme d'entonnoir, plusieurs ouvertures d'entrée tangentielles (54) pour une entrée d'air tangentielle dans la chambre de prémélange (42) de l'air d'échappement entourant le cône de brûleur (06), lesquelles ouvertures d'entrée sont réalisées par un agencement en éventail d'une pluralité de portions de parois (43.1 ; 43.2 ; 43.3 ; 43.4).
  2. Dispositif selon la revendication 1, caractérisé en ce que les ouvertures d'entrée tangentielles (54) sont espacées les unes des autres dans la direction périphérique et/ou sont rehaussées du côté extérieur de la paroi (43) radialement à chaque fois à partir de la portion périphérique d'enveloppe qui précède, considéré dans la direction périphérique, et/ou sont réalisées sous forme d'ouvertures en forme de fente ou d'interstice s'étendant la direction axiale et/ou s'étendent sur au moins la longueur de la portion longitudinale de cône s'ouvrant en forme d'entonnoir.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que la paroi (43) du cône de brûleur (06), au moins dans la portion longitudinale de cône s'ouvrant en forme d'entonnoir, est réalisée par une pluralité n de portions de parois (43.1 ; 43.2 ; 43.3 ; 43.4) disposées en éventail avec une symétrie radiale autour de la direction axiale formant l'axe de symétrie (S) et/ou disposées de manière tournée autour d'axes de rotation respectifs ne coïncidant pas les uns avec les autres ou avec l'axe de symétrie (S) et/ou les portions de paroi (43.1 ; 43.2 ; 43.3 ; 43.4), pour un nombre de n portions de paroi (43.1 ; 43.2 ; 43.3 ; 43.4), sont réalisées sous forme de coques en N, notamment sous forme de n coques partielles coniques.
  4. Dispositif selon la revendication 3, caractérisé en ce que les portions angulaires couvertes dans la direction périphérique par rapport à l'axe de symétrie (S) par les portions de parois respectivement adjacentes (43.1 ; 43.2 ; 43.3 ; 43.4) se suivent au moins sans espace ou se chevauchent.
  5. Dispositif selon la revendication 3 ou 4, caractérisé en ce que les portions de paroi (43.1 ; 43.2 ; 43.3 ; 43.4) sont réalisées pour leur part dans la direction périphérique par une pluralité de m segments individuels (43.1x ; 43.2x ; 43.3x ; 43.4x) se raccordant les uns aux autres pour former la portion de paroi concernée (43.1 ; 43.2 ; 43.3 ; 43.4).
  6. Dispositif selon la revendication 1, 2, 3, 4 ou 5, caractérisé en ce que les ouvertures d'entrée tangentielles (54) sont telles que seulement un flux d'air puisse parvenir à travers elles dans l'espace interne conique, lequel ne constitue pas un écoulement purement radial par rapport à l'axe de symétrie (S), mais comprend au moins une composante de déplacement tangentielle.
  7. Dispositif selon la revendication 1, 2, 3, 4, 5 ou 6, caractérisé en ce que les ouvertures d'entrée tangentielles (54) sont formées à chaque fois entre deux n portions de paroi (43.1 ; 43.2 ; 43.3 ; 43.4) se rattachant les unes aux autres dans la direction périphérique du cône de brûleur (06), par le fait que celles-ci sont réalisées sous la forme de segments de cône d'un cône ayant une ligne périphérique extérieure fermée, mais sont disposées à chaque fois, par rapport à l'agencement formant la ligne périphérique extérieure fermée, de manière tournée autour d'un axe espacé de la même mesure par rapport à l'axe de symétrie (S) dans un même sens de rotation et/ou suivant un même angle.
  8. Dispositif selon la revendication 1, 2, 3, 4, 5, 6 ou 7, caractérisé en ce que le brûleur (04) présente, dans un fond de base frontal (49) du cône de brûleur (04), une ou plusieurs embouchures d'un ou plusieurs passages (48) conduisant hors de l'espace de gaz brut (09) entourant le brûleur (04) dans la chambre de prémélange (42), à travers lesquelles l'air d'échappement provenant de l'espace de gaz brut (09) entourant le brûleur (04) pénètre et/ou peut pénétrer dans la chambre de prémélange avec une direction d'écoulement axiale ou sensiblement axiale, c'est-à-dire avec une plus grande composante d'écoulement axiale par rapport à la composante radiale.
  9. Dispositif selon la revendication 8, caractérisé en ce que le fond de base (49) est formé par le côté, tourné vers l'intérieur du cône, d'une base de cône (46) réalisée à la manière d'un anneau de fermeture ou d'un anneau à rayons qui, vu dans la direction périphérique de la buse à combustible (07), présente plusieurs passages (48) s'étendant sensiblement dans la direction axiale et/ou permettant un écoulement sensiblement axial.
  10. Dispositif selon la revendication 1, 2, 3, 4, 5, 6, 7, 8 ou 9, caractérisé en ce que la buse à combustible (07) et l'extrémité amont du cône de brûleur (06), vu dans la direction axiale, sont disposées de manière à se chevaucher ou à se rattacher au moins sans interruption et/ou la paroi (43) du cône de brûleur (06), en particulier une portion de base du cône de brûleur (06), entoure la buse à combustible (07) au moins à la hauteur de l'au moins une sortie de combustible.
  11. Dispositif selon la revendication 1, 2, 3, 4, 5, 6, 7, 8, 9 ou 10, caractérisé en ce que la totalité, ou plusieurs, des portions de parois (43.1 ; 43.2 ; 43.3 ; 43.4) d'une paroi (43) réalisée en plusieurs parties sont réalisées sur au moins la portion longitudinale s'ouvrant du cône, sous la forme de segments d'enveloppe (43.1 ; 43.2 ; 43.3 ; 43.4) d'une enveloppe de tronc de pyramide tronconique ou à l côtés, de profil fermé, réalisée avec une symétrie radiale, lesquelles sont disposées de manière tournée dans le même sens de rotation et avec le même angle de rotation autour d'axes respectifs qui s'étendent dans la direction longitudinale sur une surface d'enveloppe cylindrique ou conique commune, entourant concentriquement l'axe de symétrie (S).
  12. Dispositif selon la revendication 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ou 11, caractérisé en ce que le cône de brûleur (06) présente, dans sa portion de cône de brûleur s'ouvrant, ou dans au moins une partie de cette portion de cône de brûleur, une conicité interne effective avec un angle d'inclinaison (ϕ ; ϕ1) de l'enveloppe de cône par rapport à l'axe de symétrie (S) de 5° à 15°.
  13. Dispositif selon la revendication 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 ou 12, caractérisé en ce que le cône de brûleur (06) est réalisé dans la région de son extrémité aval avec plusieurs obstacles à l'écoulement (59 ; 63 ; 64 ; 66) s'étendant depuis le profil prévu du côté frontal par l'allure d'enveloppe de la paroi (43) jusque dans l'espace entourant le cône de brûleur (06) au niveau de son extrémité aval et espacés les uns des autres dans la direction périphérique du cône de brûleur (06).
  14. Dispositif selon la revendication 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 ou 13, caractérisé en ce qu'en amont de l'espace de gaz brut (09) dans la voie de gaz brut est prévu un échangeur de chaleur (24) par le biais duquel s'effectue ou peut s'effectuer un échange de chaleur entre un gaz pur chaud déjà traité, quittant une chambre de combustion (11) et un gaz brut devant encore être traité, formé par de l'air d'échappement provenant de l'installation (12) située en amont.
  15. Dispositif selon la revendication 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 ou 14, caractérisé en ce qu'une chambre de combustion (11) se raccorde en aval à l'espace de gaz brut (09) entourant le cône de brûleur (06), dans l'ouverture d'entrée de laquelle chambre de combustion (11) débouche une ouverture de sortie aval (13) du cône de brûleur (06) .
  16. Dispositif selon la revendication 15, caractérisé en ce qu'une ouverture d'entrée de la chambre de combustion (11) et le cône de brûleur (06) à la hauteur de l'ouverture de sortie (13) sont dimensionnés et disposés l'un par rapport à l'autre de telle sorte qu'entre le bord du cône de brûleur (06) définissant du côté extérieur la périphérie extérieure et le bord d'une paroi de chambre de combustion (17) du côté de l'entrée, définissant l'ouverture d'entrée, est réalisée une fente d'entrée (18) à travers laquelle du gaz brut provenant de l'espace de gaz brut (09) peut s'écouler directement dans la chambre de combustion (11), c'est-à-dire sans parvenir au préalable dans une chambre de prémélange du cône de brûleur (06) réalisée à l'intérieur du cône de brûleur (06), et/ou en ce que pour l'alimentation en air d'échappement dans l'espace de gaz brut (09), il est prévu une portion de section à travers une section transversale d'écoulement (21), qui est limitée au moins d'un côté par le côté extérieur de la paroi de chambre de combustion (22).
EP15712287.0A 2014-03-20 2015-03-16 Dispositif de postcombustion thermique d'air d'échappement Active EP3120074B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014205200.9A DE102014205200B3 (de) 2014-03-20 2014-03-20 Vorrichtung zur thermischen Nachverbrennung von Abluft
PCT/EP2015/055385 WO2015140085A1 (fr) 2014-03-20 2015-03-16 Dispositif de postcombustion thermique d'air d'échappement

Publications (2)

Publication Number Publication Date
EP3120074A1 EP3120074A1 (fr) 2017-01-25
EP3120074B1 true EP3120074B1 (fr) 2018-09-26

Family

ID=52781018

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15712287.0A Active EP3120074B1 (fr) 2014-03-20 2015-03-16 Dispositif de postcombustion thermique d'air d'échappement

Country Status (5)

Country Link
US (1) US20170254531A1 (fr)
EP (1) EP3120074B1 (fr)
CN (1) CN106415126B (fr)
DE (1) DE102014205200B3 (fr)
WO (1) WO2015140085A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109872356A (zh) * 2017-12-01 2019-06-11 贵州中烟工业有限责任公司 一种定量评价卷烟燃烧锥形态的方法
US10900723B2 (en) * 2018-09-17 2021-01-26 Pony Ai Inc. Cover for creating circular airflows inside an enclosure
DE202019004693U1 (de) 2019-11-15 2019-12-13 Dominik Heinzelmann Antriebsmodul mit Überlastungssicherung
DE202020106660U1 (de) 2020-11-19 2020-12-04 Dominik Heinzelmann Hebehilfe
CN117267736B (zh) * 2023-11-21 2024-01-23 唐山市蓝欣玻璃有限公司 一种玻璃镀膜尾气在线分级处理装置

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1276199A (en) 1969-12-02 1972-06-01 Universal Oil Prod Co An improved method and means for thermal treatment of a contaminated air stream
US3706446A (en) * 1971-03-29 1972-12-19 Koehring Co Portable heater
US4004875A (en) * 1975-01-23 1977-01-25 John Zink Company Low nox burner
DE3738141A1 (de) * 1987-11-10 1989-05-24 Hermann Morawetz Brenner, insbesondere gasbrenner
CH680157A5 (fr) * 1989-12-01 1992-06-30 Asea Brown Boveri
EP0446436B1 (fr) * 1990-03-10 1993-02-24 H. Krantz GmbH & Co. Procédé et dispositif pour la combustion d'impuretés dans un courant de milieu
CH682952A5 (de) * 1991-03-12 1993-12-15 Asea Brown Boveri Brenner für eine Vormischverbrennung eines flüssigen und/oder gasförmigen Brennstoffes.
CH684962A5 (de) * 1991-07-03 1995-02-15 Asea Brown Boveri Brenner zum Betrieb einer Brennkraftmaschine, einer Brennkammer einer Gasturbogruppe oder einer Feuerungsanlage.
DE4320212A1 (de) * 1993-06-18 1994-12-22 Abb Research Ltd Feuerungsanlage
DE19545310B4 (de) 1995-12-05 2008-06-26 Alstom Vormischbrenner
DE19545309A1 (de) * 1995-12-05 1997-06-12 Asea Brown Boveri Vormischbrenner
DE19547912A1 (de) * 1995-12-21 1997-06-26 Abb Research Ltd Brenner für einen Wärmeerzeuger
DE19654009B4 (de) * 1996-12-21 2006-05-18 Alstom Vormischbrenner zum Betrieb einer Brennkammer mit einem flüssigen und/oder gasförmigen Brennstoff
DE19848661B4 (de) 1998-10-22 2008-09-11 Bayerische Motoren Werke Aktiengesellschaft Thermische Nachverbrennungsanlage
EP1048898B1 (fr) * 1998-11-18 2004-01-14 ALSTOM (Switzerland) Ltd Brûleur
DE10040869A1 (de) 2000-08-21 2002-03-07 Alstom Power Nv Verfahren und Vorrichtung zur Unterdrückung von Strömungswirbeln innerhalb einer Strömungskraftmaschine
DE10205428A1 (de) 2002-02-09 2003-09-11 Alstom Switzerland Ltd Vormischbrenner mit erhöhter Flammenstabilität
JP3820446B2 (ja) * 2002-07-16 2006-09-13 独立行政法人 宇宙航空研究開発機構 希薄予混合燃焼器
CA2584270C (fr) * 2004-10-18 2013-07-16 Alstom Technology Ltd. Bruleur pour turbine a gaz
JP2008519237A (ja) 2004-11-03 2008-06-05 アルストム テクノロジー リミテッド 予混合バーナ
US7628610B2 (en) * 2006-05-01 2009-12-08 Simeken, Inc. Conical cyclonic oxidizing burner

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DE102014205200B3 (de) 2015-06-11
CN106415126B (zh) 2018-08-31
EP3120074A1 (fr) 2017-01-25
US20170254531A1 (en) 2017-09-07
CN106415126A (zh) 2017-02-15
WO2015140085A1 (fr) 2015-09-24

Similar Documents

Publication Publication Date Title
EP3120074B1 (fr) Dispositif de postcombustion thermique d'air d'échappement
DE2820702C2 (de) Brenneranordnung
EP0164576B1 (fr) Brûleur industriel pour combustibles gazeux ou liquides
EP0125572B1 (fr) Brûleur polycombustible
WO2008141723A1 (fr) Brûleur récupérateur à tubes échangeurs de chaleur aplatis
EP0392158B1 (fr) Procédé pour le fonctionnement d'une installation de combustion pour combustibles fossiles
DE2621496A1 (de) Wirbelstrombrenner fuer industrieoefen, wie hochoefen und dergleichen
EP0394911B1 (fr) Installation de combustion
EP0193029B1 (fr) Chambre de combustion pour turbines à gaz
WO2004038291A1 (fr) Procede de combustion et tete de bruleur, bruleur pourvu d'une telle tete de bruleur et chaudiere de chauffage comportant une telle tete de bruleur
DE2545234C2 (de) Mischeinrichtung für Brenner
EP0029939A1 (fr) Brûleur industriel
EP3120073B1 (fr) Dispositif de postcombustion thermique d'air d'échappement
DE19931025C2 (de) Rekuperator für eine Strahlrohrbrenner-Vorrichtung mit brennernaher Abgasrückführung
DE60016106T2 (de) Brenner mit Abgasrückführung
DE2745756C3 (de) Verbrennungsofen
EP0635676B1 (fr) Procédé et brûleur pour la combustion des combustibles liquides ou gazeux
EP0040690B1 (fr) Dispositif pour la combustion de matières oxydables dans les gaz d'échappement
DE102014205203B3 (de) Vorrichtung zur thermischen Nachverbrennung von Abluft
DE10140422C1 (de) Thermische Nachverbrennungsvorrichtung
DE102016118633B4 (de) Brennerkopf, Brennersystem und Verwendung des Brennersystems
DE102014205201A1 (de) Vorrichtung zur thermischen Nachverbrennung von Abluft
DE2521683C2 (de) Heizvorrichtung
EP0572693B1 (fr) Brûleur pour la combustion d'un milieu contaminé
EP2679897B1 (fr) Brûleur à prémélange d'huile avec tourbillonneur

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20160908

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: DUERR SYSTEMS AG

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20180305

GRAJ Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted

Free format text: ORIGINAL CODE: EPIDOSDIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTC Intention to grant announced (deleted)
INTG Intention to grant announced

Effective date: 20180625

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1046452

Country of ref document: AT

Kind code of ref document: T

Effective date: 20181015

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502015006083

Country of ref document: DE

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: DENNEMEYER AG, CH

REG Reference to a national code

Ref country code: NL

Ref legal event code: FP

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181227

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181226

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180926

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180926

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180926

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181226

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180926

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180926

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180926

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180926

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190126

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180926

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180926

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180926

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180926

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180926

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180926

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190126

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502015006083

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180926

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20190627

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180926

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180926

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190316

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190316

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180926

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20200319

Year of fee payment: 6

Ref country code: AT

Payment date: 20200320

Year of fee payment: 6

Ref country code: FI

Payment date: 20200320

Year of fee payment: 6

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20200319

Year of fee payment: 6

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180926

REG Reference to a national code

Ref country code: DE

Ref legal event code: R081

Ref document number: 502015006083

Country of ref document: DE

Owner name: KOENIG & BAUER METALPRINT GMBH, DE

Free format text: FORMER OWNER: DUERR SYSTEMS AG, 74321 BIETIGHEIM-BISSINGEN, DE

REG Reference to a national code

Ref country code: GB

Ref legal event code: 732E

Free format text: REGISTERED BETWEEN 20201022 AND 20201028

REG Reference to a national code

Ref country code: BE

Ref legal event code: PD

Owner name: KOENIG & BAUER METALPRINT GMBH; DE

Free format text: DETAILS ASSIGNMENT: CHANGE OF OWNER(S), CESSION; FORMER OWNER NAME: DUERR SYSTEMS AG

Effective date: 20200909

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180926

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20150316

REG Reference to a national code

Ref country code: FI

Ref legal event code: MAE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210316

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: NL

Ref legal event code: MM

Effective date: 20210401

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 1046452

Country of ref document: AT

Kind code of ref document: T

Effective date: 20210316

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210401

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210331

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210316

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180926

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20230322

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20230322

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20230331

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20240301

Year of fee payment: 10

Ref country code: GB

Payment date: 20240320

Year of fee payment: 10