EP2587148A3 - Secondary combustion chamber with secondary air inlet - Google Patents

Secondary combustion chamber with secondary air inlet Download PDF

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Publication number
EP2587148A3
EP2587148A3 EP12188466.2A EP12188466A EP2587148A3 EP 2587148 A3 EP2587148 A3 EP 2587148A3 EP 12188466 A EP12188466 A EP 12188466A EP 2587148 A3 EP2587148 A3 EP 2587148A3
Authority
EP
European Patent Office
Prior art keywords
flow channel
flow
secondary air
combustion chamber
combustion gas
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
EP12188466.2A
Other languages
German (de)
French (fr)
Other versions
EP2587148B1 (en
EP2587148A2 (en
Inventor
Joerg Jockel
Carsten Rein
Damian Both
Paulo Jorge Ferreira Goncalves
Marcel Georg
Jan Klosok
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to PL12188466T priority Critical patent/PL2587148T3/en
Publication of EP2587148A2 publication Critical patent/EP2587148A2/en
Publication of EP2587148A3 publication Critical patent/EP2587148A3/en
Application granted granted Critical
Publication of EP2587148B1 publication Critical patent/EP2587148B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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 
    • 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
    • F23G5/16—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber
    • 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 
    • F23C3/00—Combustion apparatus characterised by the shape of the combustion chamber
    • F23C3/006—Combustion apparatus characterised by the shape of the combustion chamber the chamber being arranged for cyclonic combustion
    • 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
    • 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
    • F23G5/32—Incineration of waste; Incinerator constructions; Details, accessories or control therefor the waste being subjected to a whirling movement, e.g. cyclonic incinerators
    • 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
    • F23G7/10—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of field or garden waste or biomasses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2202/00—Combustion
    • F23G2202/10—Combustion in two or more stages
    • F23G2202/103—Combustion in two or more stages in separate chambers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Air Supply (AREA)
  • Incineration Of Waste (AREA)

Abstract

Die Erfindung betrifft eine Sekundärbrennkammer mit einem Strömungskanal zur Nachverbrennung eines Verbrennungsgasstroms mittels Durchmischung mit Sekundärluft, wobei der Strömungskanal eine Strömungsrichtung für den Verbrennungsgasstrom vorgibt, wobei der Strömungskanal einen Querschnitt mit einer langen Seite und einer kurzen Seite hat, wobei wenigstens zwei Sekundärluftdüsen zur Eindüsung der Sekundärluft in den Strömungskanal münden, welche innerhalb eines Eindüsungsabschnitts des Strömungskanals angeordnet sind und nicht parallel zur Strömungsrichtung ausgerichtete Eindüsungsrichtungen aufweisen.The invention relates to a secondary combustion chamber with a flow channel for post combustion of a combustion gas stream by mixing with secondary air, wherein the flow channel defines a flow direction for the combustion gas flow, wherein the flow channel has a cross section with a long side and a short side, wherein at least two secondary air nozzles for injecting the secondary air open into the flow channel, which are arranged within a Eindüsungsabschnitts the flow channel and not aligned parallel to the flow direction Eindüsungsrichtungen.

Außerdem betrifft die Erfindung ein Verfahren zum Betrieb einer solchen Sekundärbrennkammer, das folgende Schritte umfasst:
- Einleiten von Verbrennungsgas in den Strömungskanal mit einer Strömungsgeschwindigkeit in Strömungsrichtung,
- Einleiten von Sekundärluft durch die Sekundärluftdüsen in den Strömungskanal mit einer Eindüsungsgeschwindigkeit,
- Ausbilden von wenigstens zwei parallelen Strömungswirbeln im Strömungskanal.

Figure imgaf001
In addition, the invention relates to a method for operating such a secondary combustion chamber, comprising the following steps:
Introducing combustion gas into the flow channel with a flow velocity in the flow direction,
Introducing secondary air through the secondary air nozzles into the flow channel at an injection speed,
- Forming of at least two parallel flow vortices in the flow channel.
Figure imgaf001
EP12188466.2A 2011-10-24 2012-10-15 Secondary combustion chamber with secondary air inlet Not-in-force EP2587148B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12188466T PL2587148T3 (en) 2011-10-24 2012-10-15 Secondary combustion chamber with secondary air inlet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011116723A DE102011116723A1 (en) 2011-10-24 2011-10-24 Secondary combustion chamber with secondary air injection

Publications (3)

Publication Number Publication Date
EP2587148A2 EP2587148A2 (en) 2013-05-01
EP2587148A3 true EP2587148A3 (en) 2013-06-12
EP2587148B1 EP2587148B1 (en) 2014-12-10

Family

ID=47080317

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12188466.2A Not-in-force EP2587148B1 (en) 2011-10-24 2012-10-15 Secondary combustion chamber with secondary air inlet

Country Status (3)

Country Link
EP (1) EP2587148B1 (en)
DE (1) DE102011116723A1 (en)
PL (1) PL2587148T3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017008123A1 (en) * 2017-08-30 2019-02-28 Martin GmbH für Umwelt- und Energietechnik Furnace and method for operating a furnace
CN108317520B (en) * 2017-12-21 2019-08-23 北方重工集团有限公司 A kind of garbage incinerator double-layer vortex secondary air system
CN110542097B (en) * 2019-09-11 2021-05-28 王惠生 Efficient and low-cost comprehensive in-furnace denitration method for waste incineration

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3875874A (en) * 1974-05-28 1975-04-08 Berton G Altmann Device for combustion of gaseous wastes
GB2199929A (en) * 1987-01-17 1988-07-20 Mcintyre J Afterburners

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4021005C1 (en) 1990-07-02 1991-08-14 Forschungszentrum Juelich Gmbh, 5170 Juelich, De

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3875874A (en) * 1974-05-28 1975-04-08 Berton G Altmann Device for combustion of gaseous wastes
GB2199929A (en) * 1987-01-17 1988-07-20 Mcintyre J Afterburners

Also Published As

Publication number Publication date
DE102011116723A1 (en) 2013-04-25
EP2587148B1 (en) 2014-12-10
PL2587148T3 (en) 2015-05-29
EP2587148A2 (en) 2013-05-01

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