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EP1493967B1 - Système et procédé d'incinération - Google Patents

Système et procédé d'incinération Download PDF

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Publication number
EP1493967B1
EP1493967B1 EP04076915A EP04076915A EP1493967B1 EP 1493967 B1 EP1493967 B1 EP 1493967B1 EP 04076915 A EP04076915 A EP 04076915A EP 04076915 A EP04076915 A EP 04076915A EP 1493967 B1 EP1493967 B1 EP 1493967B1
Authority
EP
European Patent Office
Prior art keywords
incineration
membrane wall
water circulation
bluff body
boiler
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
EP04076915A
Other languages
German (de)
English (en)
Other versions
EP1493967A1 (fr
Inventor
Karl-Heinz Görgemanns
Jörg Taubitz
Rudolf Hoschek
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.)
VISSER AND SMIT HANAB BV
Original Assignee
VISSER AND SMIT HANAB BV
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
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Application filed by VISSER AND SMIT HANAB BV filed Critical VISSER AND SMIT HANAB BV
Publication of EP1493967A1 publication Critical patent/EP1493967A1/fr
Application granted granted Critical
Publication of EP1493967B1 publication Critical patent/EP1493967B1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel 
    • F23L9/04—Passages or apertures for delivering secondary air for completing combustion of fuel  by discharging the air beyond the fire, i.e. nearer the smoke outlet
    • 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
    • F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
    • F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel 
    • F23L9/02—Passages or apertures for delivering secondary air for completing combustion of fuel  by discharging the air above the fire

Definitions

  • This invention relates to an incineration system, e.g. for the combustion of waste and to collect incineration heat therefrom for the production of e.g. steam or heat. It also relates to a method for operating such incineration system.
  • the prior art discloses that the boiler walls and bluff body have in common a water circulation system for taking up incineration heat.
  • the object of this invention is to further develop the known incineration system.
  • the advantages of this invention are versatile and concern e.g. one or more of the following improvements: efficiency, durability, maintainability, ease of construction, efficiency, complete combustion, reliability, manufacture, retrofit.
  • the invention relates to the features of claim 1 or claim 8.
  • Fig. 1 shows an incinerator containing a bluff body 14, which is located above the fire grate 10 from below which primary air (arrow A) and from the left of which waste (arrow B) is supplied. Flue gases flow upwards (arrow C), the heat of which is taken up by steam pipes in the front and back walls 11 of the plant.
  • the bluff body 14 is positioned such that it influences the incineration process in the combustion zone 12 or post-combustion zone 13 by its position, shape and/or injection of fluid jets 8.
  • the bluff body 14 offers a more or less streamlined object inside the upward flow of flue gases. Further details of the incinerator or the bluff body 14 in general can be obtained from e.g. any of the above cited patent publications.
  • the incinerator contains a combustion zone 12 with a grate 10 and with a waste supply (arrow B) disposed above said grate and with a flue gas exhaust (arrow C). Between the combustion zone and the flue gas exhaust there is an approximately horizontal connection opening 17 with a cross-section of flow approximately symmetrical relative to the axis of the exhaust C and provided between the combustion zone 12 and the flue gas exhaust C above the merge point of the waste supply B.
  • the bluff body 14 is disposed inside said connection opening 17 such that the bluff body 14 extends transversely to the direction of flue gas flow.
  • a post-combustion zone is present directly downstream of the connection opening 17 and the bluff body 14. Different from earlier embodiments, this post-combustion zone is NOT Venturi tube-like, however such embodiment of the post-combustion zone also belongs to the invention.
  • the heat is also taken up by the boiler side walls 19 (only one visible).
  • Fig. 2 shows the bluff body 14 more in detail. As known as such, it is a hollow elongated body, extending in widthwise direction of the incinerator (direction normal to the plane of the paper of fig. 2) and delimited by membrane walls 1 provided by cooling tubes through which water is circulated from headers 15 connected to the natural circulation system 9 of the boiler.
  • This cooling function cool the flue gases in the combustion and/or post-combustion zone and the improvement of the combustion process, is also minimizing the fouling of the boiler heat surfaces.
  • the inner space of the bluff body 14 is subdivided into four segments 16 by separation panels 2, 4, yielding four separated sub channels 16 extending in the longitudinal direction of the bluff body 14.
  • the panels 2, 4 have a simple connection 5, 6, mutually and to the membrane walls 1, such that these panels can easily be disassembled for e.g. repair or to get human access to the internal space of the bluff body 14.
  • the connection 5, 6 can e.g. be provided by guide rails in which the edges of the panels 2, 4 are inserted and then fixedly bolted.
  • fluid from the sub channels 16 can be injected as the fluid jets 8.
  • These fluid jets can have any desired orientation (e.g. upward or downward).
  • the jets 8 at one level provide a more or less gap-free grating.
  • a bluff body 14 is subdivided into six segments 16, wherein only a part of the membrane walls 1 are shown.
  • Fig. 4 shows different arrangements of the partition walls 2-4, such that e.g. ten or even more sub channels 16 can easily be obtained. In stead of being plane as shown, the partition walls 2-4 can also be non-plane.
  • the water supply of the membrane walls 1 of the bluff body 14 differs from the prior art.
  • the membrane walls 1 are a part of the water/steam circulation system of the cooled boiler side walls 19 of the plant.
  • This situation can be illustrated by fig. 2, showing a lower and upper pipe stud 9, mutually in line.
  • These pipes are part of a vertical boiler side wall 19 containing a plurality of parallel, upward extending such pipes to delimit the combustion chamber.
  • Such wall 19 is typically prefabricated and to connect the membrane wall 1 to the circulation system of the wall 19, the pipe part 9', integrally extending between the upper and lower pipe studs 9, is removed from one or several adjacent pipes and the remaining studs 9 are sealed with sealing caps 18 and connected to the membrane wall 1 as fig. 2 shows, such that the water/steam flows according to the full and dashed lines.
  • the supply and exhaust pipes connecting to the headers or manifolds 15 are directly heated by the incinerating process.
  • these tubes belong to the water circulation system of the boiler, such that the heat taken up from the membrane wall 1 will be removed from the fluid circulating within these tubes, brought externally from the zone directly heated by the incinerating process within the combustion chamber and related chambers, e.g. the post combustion and flue exhaust.
  • connection of the membrane wall 1 to the separate fluid circuit takes place by providing that the manifolds 15 extend through the opposite side walls 19 of the plant such that the supply (lower manifold 15) and exhaust (upper manifold 15) is possible from both longitudinal ends of the bluff body, and the tubes 21, 22 connecting to these manifolds 15 are outside the heated walls and so are protected against direct heating by the incinerating process.

Landscapes

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

Claims (8)

  1. Système d'incinération, par exemple pour collecter chaleur d'incinération, comportant :
    - un espace d'incinération, délimiter par parois de boîte (11, 19) avec des tubes (9) d'une système de circulation d'eau pour prendre chaleur d'incinération, et
    - une colonne à buses (14) avec une paroi membrane (1) et localisé dans l'espace d'incinération et avec un canal d'amenée, s'étendre longitudinaux pour injecter, par des buses espace, d'une fluide dans les gaz d'incinération dans par exemple une chambre d'incinération (12) ou une chambre de post-incinération (13) de l'espace d'incinération, lequel canal d'amenée est divise dans deux ou mieux subcanaux (16) et la paroi membrane (1) est une composant de la système de circulation d'eau pour prendre chaleur d'incinération,
    caractériser en ce que la paroi est connecter à tubes d'amenée (21) et de fuite (22) sépare des tubes (9) des parois de boite (11, 19) pour que le chaleur prendre de la paroi membrane (1) par la système de circulation d'eau est évacuer externe du zone immédiatement échauffe par la procède d'incinération.
  2. Système selon la revendication 1, en ce que la système de circulation d'eau de la paroi membrane (1) est immédiatement connecte avec la boîte a vapeur (20) de la système.
  3. Système selon la revendication 1 ou 2, en ce que les canaux diviser (15) de la paroi membrane (1) s'étendre par les parois face a face (19) pour que l'amenée et fuite de la système de circulation d'eau est possible depuis le faces longitudinaux de la colonne à buses (14), et les tubes (21, 22) connecte a les canaux division (15) sont extérieur les parois échauffer et sont protège de chauffage immédiate.
  4. Système selon l'une quelconque des revendications 1-3, en ce que un subcanal (16) débouche a un autre zone pour obtenir différences en injection de fluide depuis la colonne à buses (14) dans la direction circumference et/ou longitudinaux.
  5. Système selon l'une quelconque des revendications 1-4, en ce que les subcanaux sont non-concentrique ou le subcanal est localise externe 'un autre subcanal.
  6. Système selon l'une quelconque des revendications 1-5, en ce que la colonne à buses (14) a une forme en section avec parois principalement parallèles, par exemple un taille d'environ invariable depuis un part principale de la hauteur, et en ce que elle est principalement symétrique par un axis horizontale, de préférence principalement symétrique en directions horizontal et vertical.
  7. Système selon l'une quelconque des revendications 1-6, avec un zone de post-incinération non comme un tube de venturi.
  8. Procède pour activer une système d'incinération, par exemple pour collecter chaleur d'incinération, la système d'incinération comportant :
    - un espace d'incinération, délimiter par parois de boite (11, 19) avec des tubes (9) d'une système de circulation d'eau pour prendre chaleur d'incinération, et
    - un colonne à buses (14) avec une paroi membrane (1) et localiser dans l'espace d'incinération et avec un canal d'amenée, s'étendre longitudinaux pour injecter, par des buses espace, d'une fluide dans les gaz d'incinération dans par exemple une chambre d'incinération (12) ou une chambre de post-incinération (13) de l'espace d'incinération, lequel canal d'amenée est divise dans deux ou mieux subcanaux (16) et la paroi membrane (1) est une composant de la système de circulation d'eau pour prendre chaleur d'incinération,
    la procède est ménage pour que
    chaleur prendre depuis la paroi membrane (1) par la système de circulation d'eau est évacue externe du zone immédiatement échauffe par la procède d'incinération par tubes d'amenée (21) et de fuite (22) sépare des tubes (9) des parois de boite (11) et avec quelles (21, 22) la paroi membrane (1) est connecte.
EP04076915A 2003-07-03 2004-07-04 Système et procédé d'incinération Expired - Lifetime EP1493967B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1023805 2003-07-03
NL1023805 2003-07-03

Publications (2)

Publication Number Publication Date
EP1493967A1 EP1493967A1 (fr) 2005-01-05
EP1493967B1 true EP1493967B1 (fr) 2007-06-06

Family

ID=33432536

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04076915A Expired - Lifetime EP1493967B1 (fr) 2003-07-03 2004-07-04 Système et procédé d'incinération

Country Status (3)

Country Link
EP (1) EP1493967B1 (fr)
AT (1) ATE364157T1 (fr)
DE (1) DE602004006804T2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100467951C (zh) * 2007-07-18 2009-03-11 重庆科技学院 焚烧炉炉排横向错开布置及补偿装置
CN100549523C (zh) * 2007-11-28 2009-10-14 杭州新世纪能源环保工程股份有限公司 焚烧炉炉排的机械补偿装置
FI20075891A7 (fi) * 2007-12-10 2009-06-11 Metso Power Oy Menetelmä korroosion estämiseksi kattilan lämmönsiirtopinnoilla ja lisäaineen syöttöväline
CH710683B1 (de) * 2015-01-30 2021-01-29 Mokesys Ag Vorrichtung zur Einspeisung von Luft in den Feuerraum eines Verbrennungsofens.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS592768B2 (ja) * 1976-02-10 1984-01-20 株式会社日立製作所 ガスタ−ビンの排ガス処理方法及びその装置
DE3038875C2 (de) 1980-10-15 1990-05-31 Vereinigte Kesselwerke AG, 4000 Düsseldorf Müllverbrennungsanlage
DE3716088A1 (de) 1987-04-09 1989-02-02 Muellverbrennungsanlage Wupper Verfahren zum verbrennen insbesondere von muell
DE8709386U1 (de) * 1987-07-08 1988-08-18 Reining-Heisskühlung, 4330 Mülheim Vorrichtung zum Beaufschlagen eines fluiddurchströmten Reaktionsraumes mit einem zweiten Fluid
WO1991000134A1 (fr) * 1989-07-04 1991-01-10 Fuel Tech Europe Limited Appareil d'injection du type a lance pour introduire des agents chimiques dans des gaz de fumee
SE502188C2 (sv) * 1992-06-05 1995-09-11 Ulf Hagstroem Sätt och anordning för att undvika störningar orsakade av beläggningar på tillförseldon till förbrännings- eller förgasningsanläggning
DE4236073A1 (de) * 1992-10-26 1994-04-28 Waermetechnik Dr Pauli Gmbh Ausbrenneinrichtung sowie Verfahren zum Ausbrennen von Brennstoffen
DE4401821C2 (de) 1994-01-22 1998-01-15 Joachim Dipl Ing Kuemmel Verfahren zum Verbrennen von Stoffen, insbesondere von Müll und Biomassen, und Vorrichtung zur Durchführung des Verfahrens

Also Published As

Publication number Publication date
EP1493967A1 (fr) 2005-01-05
DE602004006804T2 (de) 2008-02-14
ATE364157T1 (de) 2007-06-15
DE602004006804D1 (de) 2007-07-19

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