EP0780633B1 - Dispositif pour la combustion d'impuretés dans un courant de milieu - Google Patents

Dispositif pour la combustion d'impuretés dans un courant de milieu Download PDF

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Publication number
EP0780633B1
EP0780633B1 EP96118667A EP96118667A EP0780633B1 EP 0780633 B1 EP0780633 B1 EP 0780633B1 EP 96118667 A EP96118667 A EP 96118667A EP 96118667 A EP96118667 A EP 96118667A EP 0780633 B1 EP0780633 B1 EP 0780633B1
Authority
EP
European Patent Office
Prior art keywords
section
housing
cross
pipe connection
media flow
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP96118667A
Other languages
German (de)
English (en)
Other versions
EP0780633A3 (fr
EP0780633A2 (fr
Inventor
Martin Dipl.-Ing. Benzel
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.)
Krantz TKT GmbH
H Krantz TKT GmbH
Original Assignee
Krantz TKT GmbH
H Krantz TKT GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Krantz TKT GmbH, H Krantz TKT GmbH filed Critical Krantz TKT GmbH
Publication of EP0780633A2 publication Critical patent/EP0780633A2/fr
Publication of EP0780633A3 publication Critical patent/EP0780633A3/fr
Application granted granted Critical
Publication of EP0780633B1 publication Critical patent/EP0780633B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F23G7/07—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
    • 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

Definitions

  • the invention relates to a device for burning contained in a media stream Interfering substances according to the preamble of claim 1.
  • the housing is made from a cylindrical container, the media flow via an inlet connection by means of axially aligned heat exchanger tubes arranged in a ring in the container passed through an annular chamber equipped with a burner device and via a coaxially mounted high-speed tube after flow around the heat exchanger tubes are fed to the outlet connection.
  • the cylindrical container is made of at least three coaxially consecutive container sections assembled.
  • the first container section contains the heat exchanger tubes which extend over its length
  • the second container section is the one with single burners Burner device equipped.
  • the third container section comprises the coaxially arranged one High speed tube. This penetrates the burner device with an end piece in the second container section and extends to the first container section.
  • the flow of the media stream loaded with impurities is through the heat exchanger tubes and through the annular combustion chamber as well the return of the media stream freed of contaminants through the high-speed pipe and finally through the heat exchanger tubes in an almost ideal Way solved.
  • Heat exchanger tubes commercially available heat exchangers, such as. e.g. Plate heat exchanger or cross-counterflow heat exchanger, which are rectangular Have cross-section, the constructive and aerodynamic connection is such Inexpensive heat exchanger to the combustion chamber with an annular cross section and the axial return of the media flow is also very cumbersome and complex.
  • the invention has for its object a device of the type described Kind so that when using a commercially available heat exchanger with rectangular cross-section of the media stream loaded with contaminants aerodynamically optimal from the heat exchanger into the combustion chamber and the one that is free of contaminants Media flow from there is also aerodynamically optimal via the heat exchanger can be removed again.
  • the heat exchanger provides thus a compact unit connected to the housing, which, like the first container section of the known device for maintenance and repair purposes is easy to dismantle and reassemble Subdivision into housing sections ensured in the same way.
  • a second housing section equipped with the outlet connection is connected, via which the media stream freed of contaminants via the heat exchanger is dissipated.
  • the outlet nozzle is thus a rectangular flow cross-section of the media flow available, with the individual burners distributed over the burner device the cross section of the first housing section are arranged.
  • the flow conditions of the media flow are therefore in the device according to the invention using an inexpensive heat exchanger is just as ideal as with the device known from DE 44 14 875 C1, which as a result of a coaxial implementation of the media flow complex ring-shaped heat exchanger tube bundles required within the housing.
  • the burner device is in the flow direction of the media stream, a catalyst device extending over its cross section downstream.
  • honeycomb-shaped catalyst device thereby favors that there is a rectangular flow cross-section and by the single burner the average flow velocity in the burner device considerably is reducible.
  • the individual burners which in a manner known per se with a swirl overlay operated, allow the average speed of the media flow at treatment temperature to approx. 5 m / s.
  • the distance of the first housing section immediately following the burner device depends on the length of the residence time of the media stream, which is necessary to ensure a complete combustion of the contaminants.
  • the housing can be particularly according to a further embodiment of the invention form compact if the first housing section and the second housing section each have a rectangular cross section and a common longitudinal wall.
  • the two housing sections can be different large thermal expansions.
  • compensating compensating different thermal expansions arranged between the inlet nozzle and / or the outlet nozzle and the first and the second housing section compensating compensating different thermal expansions arranged
  • the guide device preferably consists of lamellae which are arcuate in cross section or a perforated plate, the free perforated area between 20% and 40% of the cross section of the first housing section.
  • the device comprises a cuboid housing 1 and a schematically shown, likewise cuboidal heat exchanger 2, which acts as a conventional counterflow plate heat exchanger is trained.
  • the housing 1 is in a first housing section 3 and a second housing section 4 divided, the two housing sections 3 and 4 a substantially have common longitudinal wall 5 extending over their length and via perforations of a perforated plate 6 are connected to each other, which in the flow direction Media stream the end of a housing section 3 and the beginning of the housing section 4 defined.
  • an inlet connector 7 At the beginning of the housing section 3 is an inlet connector 7 and at the end of the housing section 4 an outlet nozzle 8 is provided.
  • the inlet port 7 extends to equalize the flow over its outlet cross-section, a perforated plate 9, the is dimensioned according to the geometry of the inlet connector 7 in the present case Example with a free perforated area of 30%.
  • a compensator 10 interposed between the inlet and outlet ports 7 and 8.
  • the cuboidal heat exchanger 2 connect compactly to the housing 1.
  • Individual burners 11 are arranged in the housing section 3 distributed over its cross section, which form a burner device.
  • the individual burners 11 are adapted to the cross section of the housing section 3 rectangular plate 12 held and include, as shown in Figure 3, with metal blades 13 equipped nozzle 14, which sit in the plate 12.
  • the media stream reaches the flame area of the individual burners via the connecting pieces 14 with intensive swirling 11th

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Hydrogen, Water And Hydrids (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Combustion Of Fluid Fuel (AREA)

Claims (7)

  1. Installation de combustion d'impuretés contenues dans un courant de fluide, constituée d'une enveloppe ayant une tubulure d'entrée et une tubulure de sortie, d'un échangeur de chaleur et d'un dispositif à brûleurs, qui est formé de brûleurs individuels répartis sur la section transversale du courant de fluide, l'enveloppe (1) étant subdivisée en une première partie (3) d'enveloppe munie de la tubulure (7) d'entrée et recevant les brûleurs (11) individuels et d'une deuxième partie (4) d'enveloppe munie de la tubulure (8) de sortie et raccordée à la première partie (3) d'enveloppe, caractérisée en ce que :
    une section transversale d'entrée de la tubulure (7) d'entrée est alignée avec une section transversale de sortie de la tubulure (8) de sortie,
    l'échangeur de chaleur (2) raccordée à la tubulure (7) d'entrée et à la tubulure (8) de sortie est disposé à l'extérieur de l'enveloppe (1) parallélépipédique.
  2. Installation suivant la revendication 1, caractérisée en ce qu'il est monté en aval des brûleurs (11) individuels, dans la direction d'écoulement du courant de fluide, des pots catalytiques (17) s'étendant sur la section transversale d'écoulement du courant.
  3. Installation suivant la revendication 2, caractérisée en ce que les pots catalytiques (17) disposés à une distance de 8 à 150 cm après les brûleurs (11) individuels sont constitués de pots catalytiques en nid d'abeille ou à produits en vrac perméables aux gaz.
  4. Installation suivant l'une des revendications 1 à 3, caractérisée en ce que la première partie (3) d'enveloppe et la deuxième partie (4) d'enveloppe ont respectivement une section transversale rectangulaire et une paroi (5) longitudinale commune.
  5. Installation suivant l'une des revendications 1 à 4, caractérisée en ce qu'il est prévu entre la tubulure (7) et/ou la tubulure (8) de sortie et la première ou la deuxième partie (3 ou 4) d'enveloppe un compensateur (10) compensant les différences de dilatation thermique.
  6. Installation suivant l'une des revendications 1 à 5, caractérisée en ce qu'il est prévu dans une zone de transition allant de la première partie (3) d'enveloppe à la deuxième partie (4) d'enveloppe un dispositif conduisant le courant de fluide en le rendant uniforme.
  7. Installation suivant la revendication 6, caractérisée en ce que le dispositif conduisant le courant de fluide est constitué d'une lamelle en forme d'arc en section transversale ou d'une tôle (6) perforée dont les surfaces de trous dégagés représentent de 20 à 40 % de la section transversale de la première partie (3) d'enveloppe.
EP96118667A 1995-12-20 1996-11-21 Dispositif pour la combustion d'impuretés dans un courant de milieu Expired - Lifetime EP0780633B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19547688 1995-12-20
DE19547688A DE19547688C1 (de) 1995-12-20 1995-12-20 Vorrichtung zum Verbrennen von in einem Medienstrom enthaltenen Störstoffen

Publications (3)

Publication Number Publication Date
EP0780633A2 EP0780633A2 (fr) 1997-06-25
EP0780633A3 EP0780633A3 (fr) 1999-01-27
EP0780633B1 true EP0780633B1 (fr) 2002-10-23

Family

ID=7780732

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96118667A Expired - Lifetime EP0780633B1 (fr) 1995-12-20 1996-11-21 Dispositif pour la combustion d'impuretés dans un courant de milieu

Country Status (3)

Country Link
EP (1) EP0780633B1 (fr)
AT (1) ATE226705T1 (fr)
DE (2) DE19547688C1 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3881874A (en) * 1973-05-07 1975-05-06 Pyronics Inc Thermal incineration air pollution control device
US4544526A (en) * 1982-05-03 1985-10-01 Durr Industries, Inc. Oven heat exchanger
DD207567A1 (de) * 1982-05-06 1984-03-07 Fuerstenwalde Chem Tankanlagen Vorrichtung zur katalytischen verbrennung unerwuenschter abluft-bzw. abgasbestandteile
GB2178839B (en) * 1985-08-06 1989-08-16 British Petroleum Co Plc Combustor
DE59100409D1 (de) * 1990-01-30 1993-11-04 Ltg Lufttechnische Gmbh Regenerativ-reaktor zum verbrennen von industriellen abgasen.
DE4014415C2 (de) * 1990-05-04 1993-12-09 Gea Luftkuehler Happel Gmbh Vorrichtung zur katalytischen Oxidation der schädlichen Bestandteile in einem abgekühlten Trägergas eines verfahrenstechnischen Prozesses
DE4414875C1 (de) * 1994-04-28 1995-08-31 Krantz Tkt Gmbh Vorrichtung zum Verbrennen von in einem Medienstrom enthaltenen Störstoffen
DE29609686U1 (de) * 1996-05-31 1996-08-14 H. Krantz-Tkt Gmbh, 51465 Bergisch Gladbach Einrichtung zum Verbrennen von Schadstoffen

Also Published As

Publication number Publication date
EP0780633A3 (fr) 1999-01-27
ATE226705T1 (de) 2002-11-15
DE19547688C1 (de) 1997-08-14
EP0780633A2 (fr) 1997-06-25
DE59609818D1 (de) 2002-11-28

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