EP2134488B1 - Ensemble brûleur - Google Patents

Ensemble brûleur Download PDF

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Publication number
EP2134488B1
EP2134488B1 EP08707778A EP08707778A EP2134488B1 EP 2134488 B1 EP2134488 B1 EP 2134488B1 EP 08707778 A EP08707778 A EP 08707778A EP 08707778 A EP08707778 A EP 08707778A EP 2134488 B1 EP2134488 B1 EP 2134488B1
Authority
EP
European Patent Office
Prior art keywords
burner
segments
porous
arrangement
heating
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
EP08707778A
Other languages
German (de)
English (en)
Other versions
EP2134488A1 (fr
Inventor
Martin Assmann
Udo Falkenreck
Hans-Jürgen HECKEN
Jochen SCHLÜTER
Walter Weischedel
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.)
SMS Siemag AG
Original Assignee
SMS Siemag 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 SMS Siemag AG filed Critical SMS Siemag AG
Publication of EP2134488A1 publication Critical patent/EP2134488A1/fr
Application granted granted Critical
Publication of EP2134488B1 publication Critical patent/EP2134488B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10—Supplying or treating molten metal
    • B22D11/103—Distributing the molten metal, e.g. using runners, floats, distributors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10—Supplying or treating molten metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/005—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like with heating or cooling means
    • B22D41/01—Heating means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/005—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like with heating or cooling means
    • B22D41/01—Heating means
    • B22D41/015—Heating means with external heating, i.e. the heat source not being a part of the ladle
    • 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
    • F23D14/12—Radiant burners
    • F23D14/16—Radiant burners using permeable blocks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J13/00—Fittings for chimneys or flues 
    • F23J13/02—Linings; Jackets; Casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J13/00—Fittings for chimneys or flues 
    • F23J13/04—Joints; Connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2213/00—Chimneys or flues
    • F23J2213/20—Joints; Connections
    • F23J2213/202—Joints; Connections between duct or stack sections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2213/00—Chimneys or flues
    • F23J2213/30—Specific materials
    • F23J2213/303—Specific materials metallic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2213/00—Chimneys or flues
    • F23J2213/30—Specific materials
    • F23J2213/304—Specific materials ceramic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2213/00—Chimneys or flues
    • F23J2213/40—Heat insulation fittings

Definitions

  • the invention relates to a burner arrangement, in particular for heating, drying and / or keeping warm in particular of distributors of a continuous casting plant.
  • the molten liquid metal is usually brought by means of a pan to the casting stand of a continuous casting plant.
  • the hot liquid metal is buffered by means of a distributor, such as a distributor trough, before it flows into the mold of the continuous caster.
  • the distributor also serves to allow a continuous change of the ladles, so that a sequence casting of the metal is feasible.
  • the distributors are cyclically relisted and, if necessary, newly repaired before each sequence and equipped with a dip tube. Thereafter, the manifold is dried and heated.
  • a burner with fossil fuels, such as natural gas, and oxygen carriers, such as air operated.
  • conventionally commercially available burners are used, which are installed in a heated lid.
  • the flames produce selective heat, which can lead to localized overheating, where the flame is directly impinging and other areas, in turn, tend to overheat where the flame is too far away.
  • voltages are caused in the distributor, which can lead to cracking and thus the failure of the entire system.
  • the drying time is extended by the inhomogeneous heating with the flame, the service life of the distributor is reduced and at the same time the energy consumption is very high.
  • the emission of CO 2 is also very high. Also, this increases the consumption of lining material of the distributor because it has to be replaced more often with increased cracking.
  • the cost of energy supply is high, which makes the system less economical and also the output of the combustion gases is very high and overall relatively less environmentally friendly, which is considered particularly disadvantageous in the recent discussion of the greenhouse effect.
  • Such burner arrangements are for example by the KR 102003005373 A , the KR 1020030021728 A , the KR 1020040011716 A , the KR 1020010091068 A and the KR 09122854 A known.
  • the object of the invention is to provide a burner arrangement, in particular for heating, drying and / or keeping warm in particular of distributors of a continuous casting, which achieves improved utilization of the energy used, a reduction in the emission of CO 2 and high availability of the system. It is another object of the invention to provide a method for advantageously controlling a burner assembly.
  • the object with regard to the burner arrangement is achieved with a burner arrangement, in particular for heating, drying and / or keeping warm, in particular from a distributor of a continuous casting plant, with a planar arrangement of at least one burner, wherein the burner or burners is or are formed as a pore burner.
  • the pore burner has pore burner segments.
  • the pore burner may have a segment or a plurality of segments which are connected to one another or which are arranged adjacent to one another at least to a small gap between the segments.
  • the connected segments are connected by means of connecting means and / or held for example by means of a frame in such a way that a uniform burner is achieved by the adjacent arrangement of the segments.
  • the pore burner segments are supplied in each case by means of feed lines with fuel and / or with an oxygen carrier. It is advantageous if at least some of the leads are supplied via a common supply line with fuel and / or with an oxygen carrier. It is also advantageous in a further embodiment, when a blower for supplying the oxygen carrier is provided via the supply lines. As a result, an oxygen carrier, such as air, is conveyed through the supply lines to the segments by means of the blower.
  • the pore burner arrangement are held by a pivotable holder or a pivoting arm, which is designed to be pivotable by means of a joint. It may be useful in another embodiment, when the blower is also held by the bracket or the pivot arm, and thus the fan is pivotally mounted.
  • the object with regard to the method is achieved by a method for controlling a burner arrangement, wherein pore burner segments are switched on independently of one another and / or switched off as a function of the desired heating intensity or heating power. It is expedient if segments are switched on or off, which are arranged at least alternately in rows or, for example, in a checkerboard pattern.
  • the FIG. 1 shows a view of a burner assembly 1 in particular for heating, drying and / or for keeping hot distributors in particular of a continuous casting.
  • the burner assembly 1 in this case has a burner 2, which is accommodated on a holder 3 and which is formed by means of the holder 3 with pivot bearing 4 pivotable.
  • the holder thus forms a pivoting arm.
  • the burner can lie above the distributor 5, as in a heating position 8, and this heating or the burner can be folded upwards, into a parking position 9, so that it is essentially vertical and the distributor is essentially freely accessible for further work is.
  • the pivot arm is actuated, for example, by means of a hydraulic or by means of compressed air.
  • the burner 2 is formed according to the invention as a pore burner 10.
  • the pore burner 10 has the advantageous property that it allows combustion of a gas-air mixture in a porous structure or cell as a gas burner, which manages quasi or completely without the formation of an open flame. As a result, a flameless, volumetric combustion of the gas-air mixture is achieved. In this case, a combustion in the porous structure is thus achieved, so that after the introduction of the gas-air mixture as a reaction product, an exhaust gas stream is generated on the output side.
  • the oxygen carrier such as the air, for example, is blown by means of a blower 6 in the pore burner 10.
  • the oxygen carrier is sucked in by the blower and supplied via supply channels or supply leads 7 to the torch 10 designed as a burner.
  • Pore burner 10 shown is advantageously composed of several segments of the pore burner.
  • the individual segments 11,12,13 are arranged substantially flat and have a connection to at least one feed line 14, 15, by means of which the fuel and / or the oxygen carrier is supplied to the respective segment.
  • the air or the oxygen carrier can be introduced via a blower in the pore burner segments.
  • a supply line for a fuel-air mixture may be provided.
  • the flat arranged segments are advantageously arranged side by side with a small joint spacing, so that a multi-row planar arrangement of the pore burner segments is provided.
  • the pore burner segments can be held by means of holding means, such as in a holding frame, which is connected to the pivot arm, so that the planar arrangement of the pore burner segments can be pivoted together with the pivot arm.
  • the pore burner generates a hot exhaust gas stream and, in addition, heat radiation, which are directed onto the distributor in order to heat it, to dry it, to heat it or to temper it at the temperature.
  • the hot exhaust gas occurs in the interior or the surface of the manifold, which causes a homogeneous temperature distribution and thus counteracts stratification. Due to the fact that even a high proportion of the energy is converted into radiation, the distributor can also be heated very effectively.
  • the formation of the pore burner as a substantially planar arrangement, wherein the arrangement of individual segments of pore burners is composed.
  • it can be advantageously controlled that individual segments or rows of segments are switched on or off independently of one another or individual segments are switched on or off independently of one another.
  • all pore burner segments can be switched on or individual segments be switched off. It can be advantageous if segments are switched on or off, which are at least alternately distributed in rows. It may also be advantageous if segments are alternately switched on or off, which are arranged like a checkerboard, so that only a fraction of the segments are operated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Drying Of Solid Materials (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Gas Burners (AREA)
  • Combustion Of Fluid Fuel (AREA)
  • Pre-Mixing And Non-Premixing Gas Burner (AREA)

Claims (4)

  1. Ensemble formant brûleur (1), en particulier pour le chauffage, le séchage ou le maintien à chaud d'un distributeur (5) d'une installation d'extrusion continue avec un agencement surfacique d'au moins un brûleur (2), dans lequel le ou les brûleur(s) (2) est/sont réalisé(s) sous forme de brûleur(s) poreux (10), de sorte que le brûleur poreux (10) comprend des segments de brûleurs poreux (11, 12, 13) et les segments de brûleurs poreux (11, 12, 13) sont respectivement alimentés avec du combustible et/ou avec un agent d'apport d'oxygène au moyen de conduites d'amenée (4) et au moins quelques-unes des conduites d'amenée (4, 14, 15) sont alimentées via une conduite d'alimentation commune avec du combustible et/ou avec un agent d'apport d'oxygène, et dans lequel est en outre prévue une soufflante (6) pour l'alimentation de l'agent d'apport d'oxygène via les conduites d'amenée, et les segments de brûleurs poreux peuvent être mis en service et/ou arrêtés indépendamment les uns des autres via un système de commande, et l'agencement de brûleur(s) poreux (10) est tenu par un bras pivotant (3), lequel est capable de pivoter au moyen d'articulations, et la soufflante (6) et également tenue par le bras pivotant (3), de sorte que la soufflante (6) également est agencée capable de pivoter.
  2. Ensemble formant brûleur selon la revendication 1,
    caractérisé en ce que les segments de brûleurs poreux (11, 12, 13) du brûleur poreux (10) sont agencés de manière surfacique en une rangée ou en plusieurs rangées.
  3. Procédé pour commander un ensemble formant brûleur selon l'une des revendications précédentes,
    dans lequel des segments de brûleurs poreux (11, 12, 13) sont mis en service et/ou arrêtés indépendamment les uns des autres en fonction de l'intensité ou de la puissance de chauffage souhaitée.
  4. Procédé pour commander un ensemble formant brûleur selon l'une des revendications précédentes,
    dans lequel on met en service ou on arrête des segments (11, 12, 13) qui sont agencés au moins alternativement en rangées ou qui sont agencés suivant un motif en damier.
EP08707778A 2007-04-03 2008-02-20 Ensemble brûleur Not-in-force EP2134488B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007016016A DE102007016016A1 (de) 2007-04-03 2007-04-03 Brenneranordnung
PCT/EP2008/001296 WO2008119415A1 (fr) 2007-04-03 2008-02-20 Ensemble brûleur

Publications (2)

Publication Number Publication Date
EP2134488A1 EP2134488A1 (fr) 2009-12-23
EP2134488B1 true EP2134488B1 (fr) 2011-11-09

Family

ID=39387277

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08707778A Not-in-force EP2134488B1 (fr) 2007-04-03 2008-02-20 Ensemble brûleur

Country Status (10)

Country Link
US (1) US20100104989A1 (fr)
EP (1) EP2134488B1 (fr)
JP (1) JP5094958B2 (fr)
KR (1) KR20090089345A (fr)
CN (1) CN101668600B (fr)
AT (1) ATE532591T1 (fr)
CA (1) CA2677975C (fr)
DE (1) DE102007016016A1 (fr)
ES (1) ES2374757T3 (fr)
WO (1) WO2008119415A1 (fr)

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DE102007016018A1 (de) * 2007-04-03 2008-10-09 Sms Demag Ag Brenneranordnung
DE102011054018A1 (de) * 2011-09-28 2013-03-28 Hebenstreit Gmbh Heizungssystem
KR101413182B1 (ko) * 2012-08-09 2014-07-01 한국에너지기술연구원 축열식 순산소 연소 시스템 및 그 연소 시스템을 이용한 연소방법
US9038576B2 (en) * 2013-05-22 2015-05-26 Plum Combustion, Inc. Ultra low NOx burner using distributed direct fuel injection
KR101660897B1 (ko) 2015-07-28 2016-09-28 윤지원 장식 무늬층을 갖는 접합유리의 그 제조방법
KR102357550B1 (ko) 2016-04-19 2022-01-28 윤지원 접합유리 제조방법 및 접합유리
KR20170013806A (ko) 2016-06-01 2017-02-07 윤지원 장식 무늬층을 갖는 접합유리
CN110052597B (zh) * 2019-05-13 2024-01-19 濮阳市濮耐炉窑工程有限公司 一种中间包干式料胎具及其防爆点火装置

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Also Published As

Publication number Publication date
JP2010523926A (ja) 2010-07-15
KR20090089345A (ko) 2009-08-21
ES2374757T3 (es) 2012-02-21
WO2008119415A1 (fr) 2008-10-09
EP2134488A1 (fr) 2009-12-23
US20100104989A1 (en) 2010-04-29
DE102007016016A1 (de) 2008-10-09
JP5094958B2 (ja) 2012-12-12
CA2677975C (fr) 2012-07-10
ATE532591T1 (de) 2011-11-15
CN101668600A (zh) 2010-03-10
CN101668600B (zh) 2012-11-07
CA2677975A1 (fr) 2008-10-09

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