EP1736706B1 - Dispositif pour introduire des matériaux dans une chambre de réaction - Google Patents

Dispositif pour introduire des matériaux dans une chambre de réaction Download PDF

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Publication number
EP1736706B1
EP1736706B1 EP06011412.1A EP06011412A EP1736706B1 EP 1736706 B1 EP1736706 B1 EP 1736706B1 EP 06011412 A EP06011412 A EP 06011412A EP 1736706 B1 EP1736706 B1 EP 1736706B1
Authority
EP
European Patent Office
Prior art keywords
reaction space
metal tube
feed
substances
tube
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.)
Not-in-force
Application number
EP06011412.1A
Other languages
German (de)
English (en)
Other versions
EP1736706A2 (fr
EP1736706A3 (fr
Inventor
Hanno Tautz
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.)
Linde GmbH
Original Assignee
Linde 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 Linde GmbH filed Critical Linde GmbH
Priority to PL06011412T priority Critical patent/PL1736706T3/pl
Publication of EP1736706A2 publication Critical patent/EP1736706A2/fr
Publication of EP1736706A3 publication Critical patent/EP1736706A3/fr
Application granted granted Critical
Publication of EP1736706B1 publication Critical patent/EP1736706B1/fr
Anticipated expiration legal-status Critical
Not-in-force legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C7/00—Combustion apparatus characterised by arrangements for air supply
    • F23C7/02—Disposition of air supply not passing through burner
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details
    • F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
    • F23D14/76—Protecting flame and burner parts
    • 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
    • F23C2900/07021—Details of lances
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2212/00—Burner material specifications
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/00018—Means for protecting parts of the burner, e.g. ceramic lining outside of the flame tube

Definitions

  • the invention relates to a device for mixing and introducing gases and / or liquids into a hot reaction space, which consists of at least one metal tube whose reaction chamber end is open and which is connected to a device via which the starting materials of the device can be fed.
  • Such a device is, for example, a burner for firing a combustion chamber, which has a burner head which consists of at least one outer metal tube and an inner tube arranged concentrically therewith.
  • the inner tube is used for.
  • a fuel gas is passed as the supply of an oxidizing agent, while in the annular gap formed by the two tubes. If air is used as the oxidizing agent, this usually ensures adequate cooling of the burner head.
  • the end of the outer metal tube is often provided with a cooling channel, which is supplied via an externally welded cooling water coil with cooling water.
  • Water-cooled burners have the disadvantage that high temperature gradients between the inside and outside of the water-cooled zone can cause strong temperature stresses in the material, as a result of which cracking and leakage can occur.
  • temperature zones develop in which, in conjunction with a reducing reaction space atmosphere in typical high-temperature steels, a "metal dusting" called corrosion occurs, so that removal and thus destruction of the burner material takes place.
  • metal dusting called corrosion occurs, so that removal and thus destruction of the burner material takes place.
  • Object of the present invention is therefore to provide a device of the type mentioned in such a way that it can be used even at high reaction chamber temperatures, if it is not equipped with a water cooling.
  • the outer surface of the metal tube is surrounded by a layer of heat-insulating refractory material which extends from the reaction chamber side end of the metal tube along the tube axis, and the metal tube at its reaction chamber end end has a wall thickness which is between 0.1 and 3mm.
  • the heat insulating refractory material is mounted so as to surround the metal tube over its entire length.
  • the thickness of the heat-insulating layer is dimensioned so that damage to the metal tube at the expected reaction space temperatures is reliably avoided.
  • the heat-insulating refractory material is a casting or ramming mass or a composite of heat-resistant fibers.
  • the refractory material also has a sufficiently high mechanical and chemical stability in order to be resistant under the conditions prevailing in the operating conditions (gas vibrations, aggressive atmosphere in the reaction chamber).
  • the refractory thermal insulation does not protrude beyond the metal tube. This ensures that even then defined flow conditions prevail at the reaction chamber end of the metal tube, if parts of the refractory thermal insulation dissolve during operation and defects occur.
  • its reaction chamber side end is designed with a small wall thickness, which is smaller by a factor> 10 than the actual wall thickness of the metal tube.
  • the pipe wall thickness increases continuously upstream, whereby a rapid removal of heat absorbed at the pipe end is achieved and overheating of the pipe end is avoided.
  • a preferred embodiment of the device according to the invention provides that at least the metal tube is made of a material that provides protection against the designated as "metal dusting" corrosion shape.
  • at least the metal tube is made of an oxide-dispersion-strengthened alloy, a so-called ODS material.
  • the feedstocks are, for example, hydrocarbons and / or air or / and oxygen-enriched air and / or technically pure oxygen and / or water vapor and / or hydrogen and / or carbon dioxide and / or carbon monoxide.
  • the invention is suitable for introducing liquid and gaseous hydrocarbons and preferably hydrocarbons, which consist of more than 80 vol% of methane, together with an oxidizing agent in a reaction space and burn.
  • the oxidizing agent which is air or oxygen-enriched air or technically pure oxygen, is supplied in such an amount that the combustion proceeds with an air ratio of between 0.5 and 1.5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Hydrogen, Water And Hydrids (AREA)

Claims (9)

  1. Dispositif pour mélanger et introduire des matières telles que des gaz et/ou des liquides dans une chambre de réaction chaude, lequel dispositif se compose au moins d'un tube métallique, dont l'extrémité du côté de la chambre de réaction est ouverte et qui est connecté à un dispositif par le biais duquel les matières peuvent être acheminées au dispositif, la surface extérieure du tube métallique étant entourée d'une couche de matériau ignifuge thermiquement isolant qui s'étend depuis l'extrémité du tube métallique du côté de la chambre de réaction le long de l'axe du tube, caractérisé en ce que le tube métallique présente, au niveau de son extrémité du côté de la chambre de réaction, une épaisseur de paroi qui est comprise entre 0,1 et 3 mm, l'épaisseur de paroi du tube augmentant vers l'amont en continu de telle sorte que l'on obtienne une évacuation rapide de la chaleur absorbée à l'extrémité du tube et que l'on évite une surchauffe de l'extrémité du tube.
  2. Dispositif selon la revendication 1, caractérisé en ce que le matériau ignifuge thermiquement isolant entoure le tube métallique sur toute sa longueur.
  3. Dispositif selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que le matériau ignifuge thermiquement isolant est une barbotine de moulage ou une barbotine de martèlement ou un composé de fibres résistant à la chaleur.
  4. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le tube métallique se compose d'un matériau qui offre une protection contre la forme de corrosion désignée par le terme de "metal dusting".
  5. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le tube métallique se compose d'un alliage renforcé par une dispersion d'oxydes (matériau ODS).
  6. Dispositif selon l'une quelconque des revendications 1 à 5, caractérisé en ce que les matières peuvent être introduites dans la chambre de réaction à des températures qui sont situées entre 100 et 700°C et de préférence entre 200 et 600°C.
  7. Dispositif selon l'une quelconque des revendications 1 à 6, caractérisé en ce que l'on peut introduire en tant que matières dans la chambre de réaction au moins deux substances qui sont choisies parmi un groupe constitué d'hydrocarbures, d'air, d'air enrichi en oxygène, d'oxygène commercialement pur, de vapeur d'eau, d'hydrogène, de dioxyde de carbone et de monoxyde de carbone.
  8. Dispositif selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'une matière constituée de jusqu'à plus de 80 % en volume de méthane peut être introduite dans la chambre de réaction.
  9. Dispositif selon la revendication 8, caractérisé en ce que l'on peut introduire en tant que matière dans la chambre de réaction un agent oxydant qui est de l'air ou de l'air enrichi en oxygène ou un oxygène commercialement pur.
EP06011412.1A 2005-06-22 2006-06-01 Dispositif pour introduire des matériaux dans une chambre de réaction Not-in-force EP1736706B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06011412T PL1736706T3 (pl) 2005-06-22 2006-06-01 Urządzenie do wprowadzania substancji do komory reakcyjnej

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005029317A DE102005029317A1 (de) 2005-06-22 2005-06-22 Vorrichtung zum Einleiten von Stoffen in einen Reaktionsraum

Publications (3)

Publication Number Publication Date
EP1736706A2 EP1736706A2 (fr) 2006-12-27
EP1736706A3 EP1736706A3 (fr) 2010-11-24
EP1736706B1 true EP1736706B1 (fr) 2019-05-01

Family

ID=36997880

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06011412.1A Not-in-force EP1736706B1 (fr) 2005-06-22 2006-06-01 Dispositif pour introduire des matériaux dans une chambre de réaction

Country Status (8)

Country Link
US (1) US7510395B2 (fr)
EP (1) EP1736706B1 (fr)
CN (1) CN1884914B (fr)
DE (1) DE102005029317A1 (fr)
PL (1) PL1736706T3 (fr)
RU (1) RU2409788C2 (fr)
TW (1) TWI386600B (fr)
ZA (1) ZA200605099B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8479720B1 (en) 2008-10-16 2013-07-09 Oscar Enrique Figueroa Heating device and method
CN102901114B (zh) * 2012-09-28 2015-04-29 长兴国盛耐火材料有限公司 喷煤管护套
DE102013014988A1 (de) 2013-09-07 2015-03-26 Messer Austria Gmbh Brenner
EP3023141A1 (fr) * 2014-11-20 2016-05-25 Linde Aktiengesellschaft Procédé et dispositif d'alimentation en gaz réactifs dans une chambre de réaction

Family Cites Families (19)

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US518567A (en) * 1894-04-17 Sylvania
US4062656A (en) * 1976-05-12 1977-12-13 Exxon Research And Engineering Company Fluidized bed apparatus
DE2819714A1 (de) * 1978-05-05 1979-11-08 Purmetall Ges Fuer Stahlveredl Tauchlanze zum einbringen von inerten gasen und/oder zuschlagstoffen in metallschmelzen
JPS57149734A (en) * 1981-03-12 1982-09-16 Anelva Corp Plasma applying working device
DE3137136C2 (de) * 1981-09-18 1985-10-03 Rheinische Braunkohlenwerke AG, 5000 Köln Vergasungsmittel-Zuleitungsbrücke für einen Wirbelbett-Druckvergaser
DE3272669D1 (en) * 1982-03-18 1986-09-25 Ibm Deutschland Plasma-reactor and its use in etching and coating substrates
GB2136553B (en) * 1983-03-11 1986-02-12 British Gas Corp Burner
JPS6086312A (ja) * 1983-10-19 1985-05-15 Daido Steel Co Ltd 微粉炭バ−ナ−
DE3402971A1 (de) * 1984-01-28 1985-08-01 Philips Patentverwaltung Gmbh, 2000 Hamburg Vorrichtung zur beschichtung eines substrates mittels plasma-chemical vapour deposition oder hochfrequenz-kathodenzerstaeubung
US5226980A (en) * 1990-02-06 1993-07-13 Diado Tokushuko Kabushiki Kaisha Skid rail alloy
DE4319363A1 (de) * 1993-06-11 1994-12-15 Kloeckner Humboldt Deutz Ag Drehofenbrenner
RU2218420C2 (ru) * 1998-08-28 2003-12-10 Праксайр Текнолоджи, Инк. Способ подачи газа в печь
DE69908267T2 (de) * 1998-09-15 2004-04-08 Haldor Topsoe A/S Verfahren für die Verbrennung von kohlenwasserstoffartigemBrennstoff in einem Brenner
FR2789404B1 (fr) * 1999-02-05 2001-03-02 Commissariat Energie Atomique Alliage de zirconium et de niobium comprenant de l'erbium comme poison neutronique consommable, son procede de preparation et piece comprenant ledit alliage
RU2169718C1 (ru) * 2000-03-14 2001-06-27 Закрытое акционерное общество "СОЮЗТЕПЛОСТРОЙ-ЛИПЕЦК" Способ получения безобжиговых огнеупорных изделий, преимущественно для металлургической промышленности
RU27803U1 (ru) * 2000-10-03 2003-02-20 Открытое акционерное общество "Научно-производственное объединение Стеклопластик" Трубопровод
US6524096B2 (en) * 2001-01-05 2003-02-25 Vincent R. Pribish Burner for high-temperature combustion
JP3691448B2 (ja) * 2002-03-22 2005-09-07 リンナイ株式会社 バーナ
DE10332860A1 (de) * 2003-07-18 2005-02-10 Linde Ag Gasbrenner

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Title
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Also Published As

Publication number Publication date
TWI386600B (zh) 2013-02-21
US7510395B2 (en) 2009-03-31
PL1736706T3 (pl) 2019-09-30
TW200710347A (en) 2007-03-16
US20070077531A1 (en) 2007-04-05
EP1736706A2 (fr) 2006-12-27
DE102005029317A1 (de) 2006-12-28
ZA200605099B (en) 2007-09-26
RU2409788C2 (ru) 2011-01-20
EP1736706A3 (fr) 2010-11-24
RU2006121967A (ru) 2007-12-27
CN1884914B (zh) 2011-03-30
CN1884914A (zh) 2006-12-27

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