EP2105663B1 - Device for carrying out thermal processes, where a flame is used as a thermal energy source - Google Patents
Device for carrying out thermal processes, where a flame is used as a thermal energy source Download PDFInfo
- Publication number
- EP2105663B1 EP2105663B1 EP08006149.2A EP08006149A EP2105663B1 EP 2105663 B1 EP2105663 B1 EP 2105663B1 EP 08006149 A EP08006149 A EP 08006149A EP 2105663 B1 EP2105663 B1 EP 2105663B1
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- European Patent Office
- Prior art keywords
- combustion chamber
- flame
- chamber
- flue gases
- ceramic
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- 238000000034 method Methods 0.000 title claims description 19
- 238000002485 combustion reaction Methods 0.000 claims description 46
- 239000000919 ceramic Substances 0.000 claims description 30
- 239000003546 flue gas Substances 0.000 claims description 28
- 230000001172 regenerating effect Effects 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims 3
- 230000008929 regeneration Effects 0.000 description 35
- 238000011069 regeneration method Methods 0.000 description 35
- 239000007789 gas Substances 0.000 description 11
- 239000000446 fuel Substances 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 238000000746 purification Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004887 air purification Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007669 thermal treatment Methods 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 208000023504 respiratory system disease Diseases 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
Images
Classifications
-
- 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
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
- F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
- F23G7/066—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator
- F23G7/068—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator using regenerative heat recovery means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/24—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having a vertical, substantially cylindrical, combustion chamber
Definitions
- the invention relates to a device for carrying out thermal processes in which a flame is used as the thermal energy source, according to the preamble of claim 1.
- the first regeneration chamber 10A for the combustion air is opened ( Fig. 2l ), then the air supply via the third ceramic bed 11C interrupted ( Fig. 2m ) and thus the the Fig. 2a corresponding output circuit is reached again.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Air Supply (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Description
Die Erfindung betrifft eine Vorrichtung zum Durchführen von thermischen Prozessen, bei denen als thermische Energiequelle eine Flamme eingesetzt wird, gemäss dem Oberbegriff des Anspruches 1.The invention relates to a device for carrying out thermal processes in which a flame is used as the thermal energy source, according to the preamble of claim 1.
Aus
Das
Bei den thermischen Prozessen dieser Art kann es sich beispielsweise um Trocknen und Vorheizen von Pfannen, Behältern oder Schmelzofen in Stahlanlagen handeln oder um Herstellungsprozesse in der Eisen- und Nichteisenmetall-Metallurgie, Die in einer Brennkammer durchgeführten thermischen Prozesse sind von einem Verbrennungsprozess begleitet, der unter Zufuhr von Verbrennungsluft stattfindet, und bei dem nicht nur der zur Erzeugung der Flamme von einem Hauptbrenner gelieferte Brennstoff verbrannt wird, sondern auch die bei der thermischen Behandlung entstehenden Dämpfe und Gase, die vom behandelten Materi-al, z.B. von Metallschmelze, stammen. Eine solche Vorrichtung nach dem Oberbegriff des Anspruchs 1 ist aus dem
Besondere Problematik stellt die Entstehung von Stickoxiden (NOx) dar, die zur Erkrankung der Atemwege sowie vielfältiger Schädigung der empfindlichen Oekosysteme führen können, und die eine Vorläufersubstanz für die Bildung von saueren Niederschlägen, sekundären Aerosolen und - zusammen mit den flüchtigen organischen Verbindungen - von Photooxidantien (Ozon/Sommersmog) darstellen. Um die Schadstoffemission zu limitieren, muss der Brennkammer eine Nachbrennkammer mit einem weiteren Brenner sowie Gasreinigungssysteme nachgeschaltet werden, wobei für die Reinigung der Rauchgase bestimmte Temperaturen notwendig sind. Die Gasreinigung erfolgt in mehreren Stufen, wobei die Stickoxide durch Zugabe von Ammoniak zu Stickstoff reduziert werden. Alle diese zusätzlichen Systeme - nicht zuletzt auch eine Überwachung von Lärm, verursacht bei der Flammerzeugung, sowie ein System von Absaugehauben und Filtern - sind mit einem vermehrten Strom- und Brennstoffverbrauch verbunden.A particular problem is the formation of nitrogen oxides (NO x ), which can lead to respiratory disease and multiple damage to sensitive ecosystems, and a precursor substance for the formation of acid precipitation, secondary aerosols and - together with the volatile organic compounds - of Photooxidants (ozone / summer smog) represent. In order to limit the emission of pollutants, the combustion chamber must be followed by a post-combustion chamber with another burner and gas cleaning systems, whereby certain temperatures are necessary for the purification of the flue gases. The gas purification takes place in several stages, whereby the nitrogen oxides are reduced by the addition of ammonia to nitrogen. All these additional systems - not least also monitoring of noise caused by flame generation, as well as a system of exhaust hoods and filters - are associated with an increased consumption of electricity and fuel.
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung der eingangs genannten Art zu schaffen, mit der die thermischen Prozesse bzw. die diese Prozesse begleitende Verbrennung umweltgerecht und dennoch mit erheblich reduzierten Kosten durchgeführt werden können.The present invention has for its object to provide a device of the type mentioned, with the thermal processes or the processes accompanying these processes can be carried out environmentally friendly and yet with significantly reduced costs.
Diese Aufgabe wird erfindungsgemäss durch eine Vorrichtung mit den Merkmalen des Anspruches 1 gelöst.This object is achieved according to the invention by a device having the features of claim 1.
Weitere bevorzugte Ausgestaltungen der erfindungsgemässen Vorrichtung bilden den Gegenstand der abhängigen Ansprüche.Further preferred embodiments of the inventive device form the subject of the dependent claims.
Erfindungsgemäss steht die Brennkammer mit mindestens drei an die Zufuhrleitung für die Verbrennungsluft bzw an die Absaugeleitung für die Rauchgase anschliessbaren Regenerierkammern in Verbindung, die jeweils mit einem aufheizbaren Keramikbett versehen sind. Es wird abwechslungsweise die Verbrennungsluft über eine der Regenerierkammern in die Brennkammer zugeführt und dabei erwärmt und die Rauchgase werden über eine andere Regenerierkammer abgeführt und dabei abgekühlt, wobei die Reihenfolge des Anschlusses der einzelnen Regenerlerkammern an die Zufuhr- oder an die Absaugeleitung (oder an keine der beiden) periodisch verändert wird. Zur Aufheizung der Keramikbettenn sind in den Regenerierkammern vorzugsweise Hilfsbrenner angeordnet.According to the invention, the combustion chamber communicates with at least three regeneration chambers which can be connected to the supply line for the combustion air or to the exhaust line for the flue gases and which are each provided with a heatable ceramic bed. The combustion air is alternately fed into the combustion chamber via one of the regeneration chambers and thereby heated and the flue gases are removed via another regeneration chamber and thereby cooled, with the sequence of connection of the individual Regenerlerkammern to the supply or to the suction line (or to none of both) is changed periodically. For heating the ceramic beds, auxiliary burners are preferably arranged in the regeneration chambers.
Mit dem sich periodisch ändernden Anschlusssystem der einzelnen, in der Vorrichtung integrierten Regenerierkammern an die Zufuhrleitung oder an die Absaugeleitung (oder an keine der Leitungen) und mit der daraus folgenden Inversion des Flusses Verbrennungsluft/Rauchgase über die einzelnen Regenerierkammern wird nicht nur eine enorme energetische Einsparung durch die Wärmerückgewinnung erreicht, sondern es werden auch optimale thermische Bedingungen für die Reinigung der Rauchgase geschaffen und der Reinigungsprozess verlängert.With the periodically changing connection system of the individual, integrated in the device Regenerierkammern to the supply line or the suction line (or to none of the lines) and with the consequent inversion of the flow of combustion / flue gases over the individual Regenerierkammern not only a huge energy saving achieved by the heat recovery, but also optimal thermal conditions for the purification of the flue gases are created and extends the cleaning process.
Von besonderer Wichtigkeit ist auch die niedrige Stickstoffemission bei der in der erfindungsgemässen Vorrichtung durchgeführten Verbrennung, die unter kontrollierten Temperatur verläuft. Allfällige unverbrannte Gase und/oder flüchtige organische Substanzen werden in den auf 750°C gehaltenen Keramikbetten oder in den darüberliegenden Zonen mit den Hilfsbrennerflammen thermisch zerstört, und die Gase in den Keramikbetten auf eine Temperatur unterhalb von 300°C abgekühlt. Somit werden die Schadstoffe bereits innerhalb der erfindungsgemässen Vorrichtung beseitigt und die Rauchgase gereinigt, und weitere, platzbeanspruchende Nachverbrennungs- und Nachreinigungsvorrichtungen erübrigen sich, was wiederum eine enorme Kosteneinsparung (bei Investition, Unterhalt, Brennstoff- und Stromverbrauch etc.) mit sich bringt. Die Keramikbetten tragen auch zur akustischen Absorption bei, so dass auch der bei Flammerzeugung entstehende Lärm reduziert wird.Of particular importance is also the low nitrogen emission in the combustion carried out in the inventive device, which is at a controlled temperature. Any unburned gases and / or volatile organic substances are thermally destroyed in the ceramic beds maintained at 750 ° C or in the overlying zones with the auxiliary burner flames, and the gases in the ceramic beds are cooled to a temperature below 300 ° C. Thus, the pollutants are already eliminated within the inventive device and the flue gases cleaned, and more, platzbedarfspruchende Nachverbrennungs- and Nachreinigungsvorrichtungen unnecessary, which in turn brings a huge cost savings (in investment, maintenance, fuel and electricity consumption, etc.) with it. The ceramic beds also contribute to the acoustic absorption, so that the noise generated during flame generation is also reduced.
Die Erfindung wird nachfolgend anhand der Zeichnung näher erläutert. Es zeigen:
- Fig. 1
- schematisch eine erfindungsgemässe Vorrichtung in Seitenansicht und teilweise in Schnitt; und
- Fig. 2a
- bis 2m ein Funktionsschema der Vorrichtung nach
Fig. 1 , wobei die Vorrichtung in Draufsicht angedeutet ist.
- Fig. 1
- schematically an inventive device in side view and partly in section; and
- Fig. 2a
- up to 2m a functional scheme of the device
Fig. 1 , wherein the device is indicated in plan view.
Erfindungsgemäss steht die Brennkammer 3 mit drei im oberen Bereich des Gehäuses 2 untergebrachten Regenerierkammern 10A, 10B, 10C in Verbindung, von denen in
In jeder Regenerierkammer 10A, 10B, 10C ist oberhalb des Keramikbettes 11A, 11B, 11C jeweils ein Hilfsbrenner 20A, 20B, 20C angeordnet, der auf den Hauptbrenner 4 bzw. seine Flamme 5 gerichtet ist (d.h. es sind drei Hilfsbrenner 20A, 20B, 20C vorzugsweise senkrecht zur Zentralachse a der Vorrichtung 1 angeordnet, die miteinander einen Winkel von 120° einschliessen). Die zwischen der Brennkammer 3 und dem jeweiligen Keramikbett 11A, 11B, 11C plazierten Hilfsbrenner 20A, 20B, 20C sorgen dafür, dass in diesen Zonen und in oberem Drittel jedes Keramikbettes 11A, 11B, 11C eine Temperatur von mindestens 750°C erreicht und aufrechterhalten wird. Dadurch wird einerseits die in die Brennkammer 3 eintretende Verbrennungsluft im entsprechenden Keramikbett und der darüberliegenden Zone erwärmt und die austretenden Rauchgase im entsprechenden anderen Keramikbett auf eine Temperatur zwischen 230°C und 260°C abgekühlt, wobei allfällige unverbrannte Gase und/oder flüchtige organische Substanzen in dem überhitzten Teil des anderen Keramikbettes (oder bereits in der darüberliegenden Zone) thermisch zerstört werden.In each
Erfindungsgemäss wird nun - wie nachfolgend beschrieben - der Fluss der Verbrennungsluft und der Rauchgase von einer Regenerierkammer zur anderen periodisch verändert bzw. invertiert, wobei die Keramikbetten abwechslungsweise die Wärme von den austretenden Rauchgasen absorbieren und an die eintretende Verbrennungsluft abgeben, wodurch eine enorme energetische Einsparung erreicht wird. Die Temperatur im oberen Drittel der Keramikbetten wird kontinuierlich gemessen und durch Regulieren der Brennstoffmenge in den Hilfsbrennern 20A, 20B, 20C gesichert.According to the invention - as described below - the flow of combustion air and the flue gases is periodically changed or inverted from one regeneration chamber to the other, the ceramic beds alternately absorb the heat from the exiting flue gases and deliver it to the incoming combustion air, whereby an enormous energy saving is achieved. The temperature in the upper third of the ceramic beds is measured continuously and secured by regulating the amount of fuel in the
Bevor der eigentliche thermische Prozess (Produktion, Trocknen, Vorheizen etc.) beginnt, werden die Keramikbetten 11A, 11B, 11C mit einem reduzierten Luftdurchfluss mittels der Hilfsbrenner 20A, 20B, 20C auf die Arbeitstemperatur gebracht. Danach beginnt der eigentliche Prozess, bei dem der Hauptbrenner 4 zum Einsatz kommt. Als Hauptbrenner 4 wird ein sogenannter LNI (Low Nox Iniection)-Brenner verwendet. In der Zündphase ist die über den Hauptbrenner 4 zugefügte Brennstoffmenge minimal und die Flamme 5 ruhig, sich mit der warmen Verbrennungsluft mischend. Danach wird die Kapazität und die Menge der Verbrennungsluft automatisch erhöht. Der Arbeitszyklus verläuft wie folgt:Before the actual thermal process (production, drying, preheating, etc.) begins, the
Gemäss
Danach wird auch die dritte Regenerierkammer 10C an die Absaugeleitung 15 angeschlossen und die Rauchgase durch beide Regenerierkammern 10B und 10C abgeführt (
Nach einem halben Zyklus davon wird die zweite Regenerierkammer 10B über das entsprechende Ventil VA an die Zufuhrleitung 14 angeschlossen und die Verbrennungsluft sowohl über die erste als auch über die zweite Regenerierkammer 10A, 10B in die Brennkammer 3 eingeführt. Die Rauchgase entweichen über die dritte Regenerierkammer 10C (
In einer weiteren Phase nach
Dann wird die erste Regenerierkammer 10A an die Absaugeleitung 15 angeschlossen, die Verbrennungsluft immer noch über die zweite Regenerierkammer 10B zugeführt und die Rauchgase über die Regenerierkammern 10C, 10A abgeleitet (
Danach wird nach einem halben Zyklus der Eintritt für die Verbrennungsluft in die dritte Regenerierkammer 10C geöffnet (
Dann wird die zweite Regenerierkammer 10B für Rauchgase geöffnet (
Nach einem halben Zyklus wird die erste Regenerierkammer 10A für die Verbrennungsluft geöffnet (
Mit dem vorstehend beschriebenen, sich periodisch ändernden Anschlusssystem der einzelnen, in der Vorrichtung integrierten Regenerierkammern 10A, 10B, 10C an die Zufuhrleitung 14 oder an die Absaugeleitung 15 (oder an keine der Leitungen) und mit der daraus folgenden Inversion des Flusses Verbrennungsluft/Rauchgase über die einzelnen Regenerierkammern wird nicht nur die bereits erwähnte energetische Einsparung durch die Wärmerückgewinnung erreicht, sondern es werden auch optimale thermische Bedingungen für die Reinigung der Rauchgase geschaffen und der Reinigungsprozess verlängert. Von besonderer Wichtigkeit ist auch die niedrige Stickstoffemission bei der in der erfindungsgemässen Vorrichtung durchgeführten Verbrennung, die unter kontrollierten Temperatur verläuft. Allfällige unverbrannte Gase und/oder flüchtige organische Substanzen werden in den auf 750°C gehaltenen Keramikbetten oder in den darüberliegenden Zonen mit den Hilfsbrennerflammen thermisch zerstört, und die Gase in den Keramikbetten auf eine Temperatur unterhalb von 300°C abgekühlt. Somit werden die Schadstoffe bereits innerhalb der erfindungsgemässen Vorrichtung beseitigt und die Rauchgase gereinigt, und weitere, platzbeanspruchende Nachverbrennungs- und Nachreinigungsvorrichtungen erübrigen sich, was wiederum eine enorme Kosteneinsparung (bei Investition, Unterhalt, Brennstoff- und Stromverbrauch etc.) mit sich bringt. Die Keramikbetten tragen auch zur akustischen Absorption bei, so dass auch der bei Flammerzeugung entstehende Lärm reduziert wird.With the above-described periodically changing connection system of the individual, integrated in the
Dank dem, dass die erfindungsgemässe Vorrichtung mindestens drei Regenerierkammern aufweist, kann die Inversion des Flusses Verbrennungsluft/Rauchgase kontinuierlich folgen, ohne negativen Einfluss auf die Flamme, der bei nur zwei Regenerierkammern unvermeidbar wäre.Thanks to the fact that the device according to the invention has at least three regeneration chambers, the inversion of the flow can continuously follow combustion air / flue gases, without negative influence on the flame, which would be unavoidable in only two regeneration chambers.
Claims (3)
- Device for the operation of thermal processes, where a flame is used as a thermal energy source, with a combustion chamber (3) and at least one main burner (4) for generating the flame (5) extending into the combustion chamber (3), which are enclosed by a housing (2) of a molten metal container, like for example a ladle or a melting furnace, with at least one supply conduct (14) for the combustion air and an extraction conduct (15) for flue gases, characterized in that the combustion chamber (3) is connected with at least three regenerating chambers (10A, 10B, 10C), connectable to the supply respectively to the extraction conduct (14, 15), which are each provided with a heatable ceramic bed (11A, 11 B, 11 C), wherein alternatively the combustion air can be fed and thereby be heated in the combustion chamber (3) via one of the regenerating chambers and the flue gases are discharged and thereby coolable via a different regenerating chamber, wherein the sequence of the connection of the individual regenerating chambers (10A, 10B, 10C) to the supply or to the extraction conduct can be varied, wherein
the at least three regenerating chambers (10A, 10B, 10C) with the therein provided ceramic beds (11A, 11B, 11C) are housed in the upper region of the housing (2) and are uniformly distributed arranged on the circumference of the combustion chamber (3), and wherein the supply and exhaust conducts (14, 15) connected to the combustion chamber (3) are directed each to the ceramic bed (11A, 11 B, 11 C) within the housing (2). - Device according to claim 1, characterized in that a main burner (4) as a central lance is extending into the housing (2), which serves to produce a flame (5) as a thermal energy source for operating the thermal processes.
- Device according to claim 1 or 2, characterized in that an auxiliary burner (20A, 20B, 20C) for heating the respective ceramic bed (11A, 11B, 11 C) is provided in the respective regenerating chamber (10A, 10B, 10C) in a zone between the ceramic bed (11 A, 11 B, 11 C), and the combustion chamber (3).
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EP08006149.2A EP2105663B1 (en) | 2008-03-28 | 2008-03-28 | Device for carrying out thermal processes, where a flame is used as a thermal energy source |
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EP08006149.2A EP2105663B1 (en) | 2008-03-28 | 2008-03-28 | Device for carrying out thermal processes, where a flame is used as a thermal energy source |
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EP2105663B1 true EP2105663B1 (en) | 2016-01-06 |
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Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1006107B (en) * | 1953-10-29 | 1957-04-11 | Eitel Hans Joachim | Hearth furnace, especially Siemens-Martin furnace |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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ATA116889A (en) | 1989-05-17 | 1997-11-15 | Kanzler Walter | METHOD FOR THERMAL EXHAUST GAS COMBUSTION |
US5707229A (en) * | 1993-07-12 | 1998-01-13 | Durr Industries, Inc. | Regenerative thermal oxidizer with heat exchanger columns |
US6203316B1 (en) * | 1999-11-12 | 2001-03-20 | Regenerative Environmental Equipment Co., Inc. (Reeco, Inc.) | Continuous on-line smokeless bake-out process for a rotary oxidizer |
DE10149807B4 (en) * | 2001-10-09 | 2007-12-27 | Herhof Verwaltungsgesellschaft Mbh | Method and apparatus for purifying exhaust gases containing substances containing heat, in particular pollutant particles and / or odor particles |
WO2006060733A2 (en) | 2004-12-03 | 2006-06-08 | Thornton Lyman L | Regenerative thermal oxidizer |
DE102007032952B4 (en) | 2006-09-12 | 2010-07-08 | Kba-Metalprint Gmbh | Method for operating a thermal-regenerative exhaust air purification system |
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2008
- 2008-03-28 EP EP08006149.2A patent/EP2105663B1/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1006107B (en) * | 1953-10-29 | 1957-04-11 | Eitel Hans Joachim | Hearth furnace, especially Siemens-Martin furnace |
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