EP1144914B1 - Dispositif de postcombustion a recuperation - Google Patents

Dispositif de postcombustion a recuperation Download PDF

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Publication number
EP1144914B1
EP1144914B1 EP00967761A EP00967761A EP1144914B1 EP 1144914 B1 EP1144914 B1 EP 1144914B1 EP 00967761 A EP00967761 A EP 00967761A EP 00967761 A EP00967761 A EP 00967761A EP 1144914 B1 EP1144914 B1 EP 1144914B1
Authority
EP
European Patent Office
Prior art keywords
passage opening
rotary distributor
combustion device
post
gas passage
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
EP00967761A
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German (de)
English (en)
Other versions
EP1144914A1 (fr
Inventor
Joachim Voigt
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.)
Eisenmann Anlagenbau GmbH and Co KG
Original Assignee
Eisenmann Anlagenbau GmbH and Co KG
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 Eisenmann Anlagenbau GmbH and Co KG filed Critical Eisenmann Anlagenbau GmbH and Co KG
Priority to DK00967761T priority Critical patent/DK1144914T3/da
Publication of EP1144914A1 publication Critical patent/EP1144914A1/fr
Application granted granted Critical
Publication of EP1144914B1 publication Critical patent/EP1144914B1/fr
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
    • F23L5/00—Blast-producing apparatus before the fire
    • F23L5/02—Arrangements of fans or blowers
    • 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
    • F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
    • F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
    • F23G7/066—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator
    • F23G7/068—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator using regenerative heat recovery means

Definitions

  • Regenerative post-combustion devices are e.g. in EP 0 719 984 A2 or EP 0 548 630 A1. They have a rotary distributor, whose upper passages all formed pie-shaped are and all have the same radial extent.
  • the Guiding the various, the rotary distributor interspersed Gases through the rotary distributor through it designed relatively difficult, being also a relative high axial dimension of the rotary distributor and this associated peripheral means for gas routing in Purchase must be taken.
  • the drive unit for the rotary distributor not directly to this but must be with this over an intermediate Drive shaft are connected.
  • the different ones Temperatures in the rotary distributor can also lead to its uneven expansion.
  • the rotary distributor is the subject of US 4,280,416 A is designed as a flat plate, with its underside at different, in different radial distance arranged gas inlet and outlet ports and with their Top on a stationary plate rests, the Distribution space limited downwards. It is very difficult especially given the prevailing temperatures, keep the rotary distributor level. It comes to leaks and jamming the rotary distributor.
  • Object of the present invention is to provide a regenerative Post-combustion device of the aforementioned To design a way so that the rotary distributor as possible simple design and especially against deformation is stable.
  • the rotary distributor according to the invention expands under the Uniform influence of different temperatures, is stable in itself and consists of very easy to manufacture Components that work well, e.g. by welding, can be connected to each other so the different flow paths for the different To form gases.
  • the embodiment may be in particular for this purpose, that the upper boundary plate of the rotary distributor a larger radius than a cylindrical partition the rotary distributor, which partially the flow space limited for cleaning exhaust gas, wherein the clean gas passage opening in the upper boundary plate itself in the radially over the partition projecting area located.
  • a flow-through room in the true sense for the clean gas is not in such a rotary distributor contain more, which further reduces the manufacturing costs.
  • the rotary distributor is a hollow Hub possesses whose interior near its lower End with the purge air connection and near her other end with a purge air flow space the rotary distributor communicates, in which the purge air passage opening on the upper boundary plate the rotary distributor opens.
  • the hollow hub of the rotary distributor saves space as a flow path used for the scavenging air.
  • the regenerative afterburner is in Figure 1 marked overall with the reference numeral 1.
  • Their basic structure and their fundamental Functioning are - unless otherwise stated below in EP 0 548 630 1 or EP 0 719 984 A2, to which express reference is made.
  • an inlet 3 for the exhaust air to be cleaned In the lower part of the post-combustion device 1, which is shown in Figure 1 exclusively is located an inlet 3 for the exhaust air to be cleaned, the via a substantially horizontally extending inlet conduit 4 is supplied.
  • the inlet pipe 4 is at her relative to the housing 2 of the post-combustion device closed radially inner end and has there an upward opening 50.
  • Above this opening 50 is an opening 52 of an annular connecting plate 51, so that both openings 50, 52 of the exhaust air can be flowed through at the top.
  • the outer edge of the Connection plate 51 is via a cylindrical housing wall 53 connected to a horizontally extending partition 44, which closes a distribution space 6 down,
  • a rotary distributor 5 In the surrounded by the housing wall 53, down through the connection plate 51 and up through the partition 44 enclosed space a rotary distributor 5 is housed, by means of a drive device 54 around the axis of the housing 2 continuously or stepwise is rotatable.
  • the rotary valve 5 has a lower annular boundary plate 55 and an upper, circular boundary plate 56 on, the latter has a larger diameter than the former.
  • From Outer edge of the lower boundary plate 55 performs a cylindrical wall 57 to the upper boundary plate 56 and limited in this way one inside the rotary distributor 5 lying space 58. This is radially inward through another conically tapered down annular Partition 59 and through a hollow hub 60 of the rotary distributor 5 limited.
  • the lower boundary plate 55 of the rotary distributor. 5 has generous openings 67 so that the space 58 within the rotary distributor 5 in all rotational positions via the opening 52 of the connection plate 51 with the inlet conduit 4 can communicate.
  • the outer edge of the lower boundary plate 55 of the Drehverteilers 5 is connected via a spring ring 68 with a rigid pressure ring 69 connected in the bottom one or more seals 70 are inserted. These Seals 70 are replaced by the spring ring 68 against the upper surface of the connection plate 51 is pressed.
  • the spring plate In this way 68 is concerned with the compensation of axial expansion differences, for those in known Afterburners a separate compensator is used.
  • annular space 72 is formed, the via a horizontal line 73 with an outlet 74 is connected for clean gas.
  • the clean gas is made from this Outlet 74 by means of a blower, not shown aspirated.
  • the upper restricting plate 56 is the rotary distributor 5 mentally in 11 pie-shaped Sectors are divided, each with an angle of about 32.7 °.
  • a first passage opening 75 introduced, the geometrically can be understood as a circular ring segment and, as will be seen later, the passage of purge air serves.
  • the sector containing the opening 75 following sector is free of passage openings.
  • the radially inner boundary line of Passage opening 76 has a larger radius as the radially outer boundary line of the passage opening 75th
  • the purge air passage opening 75 of the upper boundary plate 56 of the rotary distributor 5 communicates with the surrounded by the partition wall 59 of the rotary distributor 5 Room 61.
  • the passage opening 76 in the upper boundary plate 56 stands with the space 58 of the rotary distributor 5 in connection.
  • the clean gas passage opening 77 of the Upper boundary plate 56 finally lies in the one Area over the cylindrical wall 57 of the rotary distributor 5 projects radially and communicates with the annulus 72 between this wall 57 and the housing wall 53 and so that with the connection 74 for clean gas.
  • Passage opening 79 is radially inwardly through the pipe section 78 limited and has a radially outer circular arc-shaped Boundary line whose radius is equal to the radius of outer boundary line of the purge air passage opening 75 in the upper boundary plate 56 of the rotary distributor 5 is.
  • the radially outermost passage opening 81 in each sector of the partition wall 44 of the distribution space 6 finally covers the same in the radial direction Area such as the passage opening 77 in the upper Boundary plate 56 of the rotary distributor. 5
  • the thermal afterburning apparatus described above works as follows:
  • the exhaust gases then pass through the corresponding Segments of lying above the distribution chamber 6 heat exchanger space and are doing in a known manner until close to the ignition temperature of the exhaust gases heated impurities heated. The afterburning These contaminants will then be found in the combustion chamber instead of the heat exchanger room.
  • the hot, now freed of impurities combustion gases (here briefly called "clean gas”) are determined by certain Segments of the heat exchanger room headed down again, enter into heat exchange with the previously by ascending Exhaust gases heated heat exchanger material and cool off. You get out of the heat exchanger room into the corresponding segments of the distribution space 6. These segments are those their radially outer passage openings 81 with the passage opening 77 in the rotary distributor. 5 communicate. From there the pure gases flow into the Annular space 72 between the rotary distributor 5 and the housing wall 53 and from there via line 73 and the clean gas outlet 74 off.
  • the purge air flow is reversed: The purge air is then via the purge air connection 66th aspirated.
  • the closed sectors in the upper boundary plate 56 of the rotary distributor 5 ensure in a known manner for that none of the passage openings 79, 80, 81 in the lower partition 44 of the distribution chamber 6 at the same time with two openings 75, 76, 77 of the rotary distributor 5, which allows the cleaning function impairing gas bypass.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Incineration Of Waste (AREA)
  • Valve Device For Special Equipments (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Air Supply (AREA)

Claims (5)

  1. Dispositif de postcombustion (1) à régénération qui comprend, de haut en bas dans un carter (2) :
    a) une chambre de combustion ;
    b) une chambre d'échange de chaleur, qui est subdivisée en plusieurs segments remplis de matériau d'échange de chaleur ;
    c) une chambre de distribution (6), qui est subdivisée d'une manière correspondant à la chambre d'échange de chaleur en segments qui sont chacun reliés à un segment de la chambre d'échange de chaleur ;
    d) un distributeur rotatif (5), qui réalise selon sa position de rotation :
    da) une liaison entre une admission (3) pour des gaz d'échappement à purifier et au moins un premier segment de la chambre d'échange de chaleur ;
    db) une liaison entre au moins un deuxième segment de la chambre d'échange de chaleur et une évacuation (74) pour du gaz purifié,
    et qui présente à cet effet, sur sa face supérieure, au moins une ouverture (76) de passage de gaz d'échappement et au moins une ouverture (77) de passage de gaz purifié angulairement décalée par rapport à la précédente,
    e) l'ouverture (76) de passage de gaz d'échappement et l'ouverture (77) de passage de gaz purifié du distributeur rotatif (5) se trouvant à des distances radiales différentes de l'axe vertical du dispositif de postcombustion (1) ;
    f) la cloison séparatrice inférieure (44) de la chambre de distribution (6) présentant dans chaque segment :
    fa) une première ouverture de passage (80) pour les gaz d'échappement, qui possède la même distance radiale de l'axe du dispositif de postcombustion (1) que l'ouverture (76) de passage de gaz d'échappement du distributeur rotatif (5) ;
    fb) une deuxième ouverture de passage (81) pour le gaz purifié, qui possède la même distance radiale de l'axe du dispositif de postcombustion (1) que l'ouverture (77) de passage de gaz purifié du distributeur rotatif (5) ;
    caractérisé en ce que
    g) le distributeur rotatif (5) comprend une plaque de délimitation supérieure (56), dans laquelle sont formées l'ouverture (76) de passage de gaz d'échappement, l'ouverture (77) de passage de gaz purifié et le cas échant l'ouverture (75) de passage d'air de lavage, une plaque de délimitation inférieure (55), dans laquelle est prévue une ouverture (67) communiquant avec l'admission (3) pour les gaz d'échappement à purifier, ainsi qu'une cloison séparatrice (57), qui assemble l'une à l'autre les deux plaques de délimitation (55, 56) et qui délimite au moins partiellement dans le distributeur rotatif (5) une chambre de passage (58) pour les gaz d'échappement à purifier.
  2. Dispositif de postcombustion à régénération selon la revendication 1, dans lequel le distributeur rotatif réalise en outre, selon sa position de rotation, une liaison entre un branchement pour de l'air de lavage et au moins un troisième segment de la chambre d'échange de chaleur, et possède à cet effet sur sa face supérieure au moins une ouverture de passage d'air de lavage, qui est angulairement décalée par rapport à l'ouverture de passage de gaz d'échappement et par rapport à l'ouverture de passage de gaz purifié,
    caractérisé en ce que
    a) l'ouverture (75) de passage d'air de lavage du distributeur rotatif (5) se trouve à une distance radiale de l'axe du dispositif de postcombustion (1) qui est différente de celle de l'ouverture (76) de passage de gaz d'échappement et de celle de l'ouverture (77) de passage de gaz purifié ;
    b) la cloison séparatrice inférieure (44) de la chambre de distribution (6) présente dans chaque segment une ouverture (79) de passage pour l'air de lavage, qui possède la même distance radiale de l'axe du dispositif de postcombustion (1) que l'ouverture (75) de passage d'air de lavage du distributeur rotatif (5).
  3. Dispositif de postcombustion à régénération selon la revendication 1 ou 2, caractérisé en ce que l'ouverture (77) de passage de gaz purifié prévue dans la plaque de délimitation supérieure (56) du distributeur rotatif (5) est reliée, par l'intermédiaire d'une région ouverte radialement vers l'extérieur du distributeur rotatif (5), à une chambre annulaire (72) qui est elle-même reliée à l'évacuation (74) pour le gaz purifié.
  4. Dispositif de postcombustion à régénération selon la revendication 3, caractérisé en ce que la plaque de délimitation supérieure (56) du distributeur rotatif (5) présente un plus grand rayon qu'une cloison cylindrique (57) du distributeur rotatif (5), qui délimite partiellement la chambre de passage (58) pour les gaz d'échappement à purifier, et en ce que l'ouverture (77) de passage de gaz purifié prévue dans la plaque de délimitation supérieure (56) se trouve dans la région de cette plaque qui dépasse radialement de la cloison (57).
  5. Dispositif de postcombustion à régénération selon une des revendications 2 à 4, caractérisé en ce que le distributeur rotatif (5) possède un moyeu creux (60) dont l'espace intérieur communique à proximité de son extrémité inférieure avec le branchement (66) d'air de lavage et à proximité de son autre extrémité avec une chambre (61) de passage d'air de lavage du distributeur rotatif (5), dans laquelle débouche l'ouverture (75) de passage d'air de lavage de la plaque de délimitation supérieure (56) du distributeur rotatif (5).
EP00967761A 1999-10-22 2000-09-23 Dispositif de postcombustion a recuperation Expired - Lifetime EP1144914B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK00967761T DK1144914T3 (da) 1999-10-22 2000-09-23 Regenerativ efterforbrændingsindretning

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19950891 1999-10-22
DE19950891A DE19950891C2 (de) 1999-10-22 1999-10-22 Regenerative Nachverbrennungsvorrichtung
PCT/EP2000/009313 WO2001031256A1 (fr) 1999-10-22 2000-09-23 Dispositif de postcombustion a recuperation

Publications (2)

Publication Number Publication Date
EP1144914A1 EP1144914A1 (fr) 2001-10-17
EP1144914B1 true EP1144914B1 (fr) 2005-03-02

Family

ID=7926510

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00967761A Expired - Lifetime EP1144914B1 (fr) 1999-10-22 2000-09-23 Dispositif de postcombustion a recuperation

Country Status (7)

Country Link
EP (1) EP1144914B1 (fr)
JP (1) JP2003513221A (fr)
AT (1) ATE290189T1 (fr)
CZ (1) CZ20012238A3 (fr)
DE (2) DE19950891C2 (fr)
PL (1) PL193529B1 (fr)
WO (1) WO2001031256A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012023257B4 (de) * 2012-11-29 2014-10-09 C-Nox Gmbh & Co. Kg Verfahren und Vorrichtung zur thermischen Nachverbrennung von Kohlenwasserstoffe enthaltenden Gasen
FR3037384B1 (fr) * 2015-06-11 2017-06-23 Turbomeca Module de chambre de combustion cvc de turbomachine comportant une prechambre de combustion
DE102019105283A1 (de) 2019-03-01 2020-09-03 Eisenmann Se Regenerative Nachverbrennungsvorrichtung, Beschichtungsanlage sowie Verfahren zur Beschichtung von Gegenständen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4126419A (en) * 1974-04-02 1978-11-21 Keichi Katabuchi Combustion device for burning waste gases containing combustible and noxious matters
US4280416A (en) * 1980-01-17 1981-07-28 Philip Edgerton Rotary valve for a regenerative thermal reactor
US5016547A (en) * 1990-05-04 1991-05-21 Salem Industries, Inc. Regenerative incinerator
DE4142136C2 (de) * 1991-12-20 1994-07-21 Eisenmann Kg Maschbau Vorrichtung zum Reiniguen schadstoffhaltiger Abluft aus Industrieanlagen durch regenerative Nachverbrennung
US5562442A (en) * 1994-12-27 1996-10-08 Eisenmann Corporation Regenerative thermal oxidizer
US5871349A (en) * 1997-10-16 1999-02-16 Smith Engineering Company Rotary valve thermal oxidizer

Also Published As

Publication number Publication date
PL193529B1 (pl) 2007-02-28
DE19950891C2 (de) 2002-08-14
CZ20012238A3 (cs) 2002-03-13
WO2001031256A1 (fr) 2001-05-03
ATE290189T1 (de) 2005-03-15
DE50009645D1 (de) 2005-04-07
EP1144914A1 (fr) 2001-10-17
JP2003513221A (ja) 2003-04-08
DE19950891A1 (de) 2001-04-26
PL348103A1 (en) 2002-05-06

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