EP1493967A1 - Verbrennungsvorrichtung und Beaufschlagungsvorrichtung dafür - Google Patents

Verbrennungsvorrichtung und Beaufschlagungsvorrichtung dafür Download PDF

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Publication number
EP1493967A1
EP1493967A1 EP04076915A EP04076915A EP1493967A1 EP 1493967 A1 EP1493967 A1 EP 1493967A1 EP 04076915 A EP04076915 A EP 04076915A EP 04076915 A EP04076915 A EP 04076915A EP 1493967 A1 EP1493967 A1 EP 1493967A1
Authority
EP
European Patent Office
Prior art keywords
sub
bluff body
channel
walls
fluid
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.)
Granted
Application number
EP04076915A
Other languages
English (en)
French (fr)
Other versions
EP1493967B1 (de
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
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Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=33432536&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1493967(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by VISSER AND SMIT HANAB BV filed Critical VISSER AND SMIT HANAB BV
Publication of EP1493967A1 publication Critical patent/EP1493967A1/de
Application granted granted Critical
Publication of EP1493967B1 publication Critical patent/EP1493967B1/de
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
    • 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 bluff body (also called nozzle bar) for use in such incineration system.
  • 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.
  • a bluff body also called nozzle bar
  • the object of this invention is to further develop the known incineration system, particularly its bluff body.
  • 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 a bluff body containing a longitudinally extending supply channel for injection of a fluid, such as a gas or liquid, into the flue gases in e.g. the combustion chamber or post-combustion chamber through mutually spaced nozzles of said bluff body, wherein said supply channel is subdivided into two or more co-extending, mutually separated sub-channels, each debouching at another zone of the external surface of the bluff body to obtain differences in fluid injection from said bluff body in its circumeferential and/or longitudinal direction, wherein said sub-channels are non-concentric or the one sub-channel is present outside the other sub-channel.
  • a fluid such as a gas or liquid
  • the invention in another aspect relates to a bluff body having a cross-sectional shape such that in its mounted position, it has an almost constant width over a substantial part of its height, while it is substantially symmetrical relative to a horizontal axis.
  • 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.
  • the sub channels 16 at the lowest level shortened as shown, it is possible to design three different injection zones with mutually in-line fluid jets 8 along the length of the bluff body 14 if fluid is supplied 7 from both longitudinal ends.
  • the sub channels 16 at central level expand in the area where the sub channels 16 at lowest level are absent.
  • the sub channels 16 can be connected to supply means such that individual supply with fluid for all or part of the sub channels 16 is possible.
  • 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.
  • one or more of the sub channels 16 can be used for purposes different from guiding a fluid flow.
  • each sub channel 16 is designed to provide fluid jets 8 or that the different injection zones are in line along the lenght of the bluff body or that fluid jets at a specific level and/or direction are injected along the complete length of the bluff body.
  • the sub channels 16 at the upper level in fig. 3 can be used to inject fluid jets 8 (not shown) at that particular level along the complete length or part of the length of the bluff body.
  • the external cross-sectional shape of the bluff body 14 differs from the prior art. It can generally be defined as having parallel side walls and being symmetrical both in a horizontal and vertical sense, thus being double symmetrical. It is also within the field of this invention, if the side walls are outwardly bulged.
  • the membrane walls 1 of the bluff body 14 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.
  • the invention also covers embodiments based on one or more features from a disclosed embodiment in isolation or combined with one or more features of another disclosed embodiment.
  • the subject matter of claims 4-8 is also applicable to a general bluff body and is not restricted to the bluff body with sub divided supply channel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Incineration Of Waste (AREA)
  • Feeding And Controlling Fuel (AREA)
EP04076915A 2003-07-03 2004-07-04 Verbrennungsvorrichtung und Verfahren Expired - Lifetime EP1493967B1 (de)

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 true EP1493967A1 (de) 2005-01-05
EP1493967B1 EP1493967B1 (de) 2007-06-06

Family

ID=33432536

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04076915A Expired - Lifetime EP1493967B1 (de) 2003-07-03 2004-07-04 Verbrennungsvorrichtung und Verfahren

Country Status (3)

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

Cited By (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
EP2071239A3 (de) * 2007-12-10 2014-03-26 Metso Power Oy Verfahren zur Verhinderung von Korrosion auf den Wärmetauscherflächen eines Kessels und Zufuhreinrichtung für Zusatzstoffe
WO2016119069A1 (de) * 2015-01-30 2016-08-04 Mokesys Ag Lufteinspeisevorrichtung für einen verbrennungsofen

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4131432A (en) * 1976-02-10 1978-12-26 Hitachi, Ltd. Apparatus for the treatment of gas turbine exhaust gas
DE3038875A1 (de) 1980-10-15 1982-06-03 Vereinigte Kesselwerke AG, 4000 Düsseldorf Muellverbrennungsanlage
DE8709386U1 (de) * 1987-07-08 1988-08-18 Reining-Heisskühlung, 4330 Mülheim Vorrichtung zum Beaufschlagen eines fluiddurchströmten Reaktionsraumes mit einem zweiten Fluid
EP0286077A2 (de) 1987-04-09 1988-10-12 AWG Abfallwirtschaftsgesellschaft mit beschränkter Haftung Wuppertal Verfahren zum Verbrennen von Müll
EP0595067A1 (de) * 1992-10-26 1994-05-04 WÄRMETECHNIK DR. PAULI GmbH Ausbrenneinrichtung sowie Verfahren zum Ausbrennen von Brennstoffen
US5342592A (en) * 1989-07-04 1994-08-30 Fuel Tech Europe Ltd. Lance-type injection apparatus for introducing chemical agents into flue gases
DE4401821A1 (de) 1994-01-22 1995-07-27 Joachim Dipl Ing Kuemmel Verfahren zum Verbrennen - insbesondere von Müll und Biomassen
US5741130A (en) * 1992-06-05 1998-04-21 Ecological Combustion I Stockholm Ab Method and apparatus for minimizing disruption caused by depositions on a supply means for a combustion of gasification plant

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4131432A (en) * 1976-02-10 1978-12-26 Hitachi, Ltd. Apparatus for the treatment of gas turbine exhaust gas
DE3038875A1 (de) 1980-10-15 1982-06-03 Vereinigte Kesselwerke AG, 4000 Düsseldorf Muellverbrennungsanlage
EP0286077A2 (de) 1987-04-09 1988-10-12 AWG Abfallwirtschaftsgesellschaft mit beschränkter Haftung Wuppertal Verfahren zum Verbrennen von Müll
DE8709386U1 (de) * 1987-07-08 1988-08-18 Reining-Heisskühlung, 4330 Mülheim Vorrichtung zum Beaufschlagen eines fluiddurchströmten Reaktionsraumes mit einem zweiten Fluid
US5342592A (en) * 1989-07-04 1994-08-30 Fuel Tech Europe Ltd. Lance-type injection apparatus for introducing chemical agents into flue gases
US5741130A (en) * 1992-06-05 1998-04-21 Ecological Combustion I Stockholm Ab Method and apparatus for minimizing disruption caused by depositions on a supply means for a combustion of gasification plant
EP0595067A1 (de) * 1992-10-26 1994-05-04 WÄRMETECHNIK DR. PAULI GmbH Ausbrenneinrichtung sowie Verfahren zum Ausbrennen von Brennstoffen
DE4401821A1 (de) 1994-01-22 1995-07-27 Joachim Dipl Ing Kuemmel Verfahren zum Verbrennen - insbesondere von Müll und Biomassen
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

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
GOERNER ET AL.: "Optimierung der Sekundärlufteindüsung in den Feuerraum einer Müllverbrennungsanlage bei Verwendung eines Sekundärluft-Düsenprismas", ERGAENZTER UND ERWEITERTER BEITRAG ZUM 19EN DEUTSCHEN FLAMMENTAG, September 1999 (1999-09-01), pages 1 - 16, XP002989764
PERILLEUX M. ET AL.: "Improving combustion and boiler performance of new and existing efw plants with the seghers-ibb-prism", 6TH EUROPEAN CONFERENCE ON INDUSTRIAL FURNACES AND BOILERS, 2 April 2002 (2002-04-02) - 5 April 2002 (2002-04-05), pages 1 - 14, XP002989763

Cited By (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
EP2071239A3 (de) * 2007-12-10 2014-03-26 Metso Power Oy Verfahren zur Verhinderung von Korrosion auf den Wärmetauscherflächen eines Kessels und Zufuhreinrichtung für Zusatzstoffe
WO2016119069A1 (de) * 2015-01-30 2016-08-04 Mokesys Ag Lufteinspeisevorrichtung für einen verbrennungsofen

Also Published As

Publication number Publication date
DE602004006804D1 (de) 2007-07-19
ATE364157T1 (de) 2007-06-15
DE602004006804T2 (de) 2008-02-14
EP1493967B1 (de) 2007-06-06

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