EP0686250B1 - Vorrichtung und verfahren zum verbrennen oxidierbarer bestandteile in einem zu reinigenden trägergas - Google Patents
Vorrichtung und verfahren zum verbrennen oxidierbarer bestandteile in einem zu reinigenden trägergas Download PDFInfo
- Publication number
- EP0686250B1 EP0686250B1 EP94909051A EP94909051A EP0686250B1 EP 0686250 B1 EP0686250 B1 EP 0686250B1 EP 94909051 A EP94909051 A EP 94909051A EP 94909051 A EP94909051 A EP 94909051A EP 0686250 B1 EP0686250 B1 EP 0686250B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- combustion chamber
- main combustion
- gas
- deflecting element
- flame tube
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000002485 combustion reaction Methods 0.000 claims abstract description 94
- 239000007789 gas Substances 0.000 claims description 35
- 239000012159 carrier gas Substances 0.000 claims description 18
- 239000000470 constituent Substances 0.000 claims 2
- 230000003068 static effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract 1
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- 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
Definitions
- the invention relates to a device for burning oxidizable Components in a carrier gas to be cleaned, comprising a gas inlet, a burner with subsequent flame tube, which in a bottom and side walls comprehensive main combustion chamber opens, one on the bottom wall combustion chamber outlet, preferably on the opposite side of the main combustion chamber Heat exchanger and a gas outlet.
- the invention relates to a method for burning oxidizable Components in a carrier gas to be cleaned in a device comprising a main combustion chamber starting from the flame tube and delimited by bottom and side walls, in the cleaned gas from the bottom wall towards a preferably coaxial deflected to the flame tube arranged combustion chamber outlet becomes.
- a device of the type described above is e.g. B. EP 0 235 277 B1.
- the so-called high-speed mixing chamber opens Flame tube in the main combustion chamber, the cross section of which is larger than the free flow cross section in the high-speed mixing room.
- the main combustion chamber extends on the outside along the high-speed mixing chamber, which is designed as a tube is in an annular shape coaxial with the high-speed mixing space Pass channel, which in turn into a high-speed mixing room and others arranged partially around the annular channel passes channel-like annular space in which a heat exchanger is arranged, the pipes are bent outwards at their colder ends.
- the main combustion chamber extends, its flow cross section is also larger than that of the high-speed mixing room, completely along the high-speed mixing space and then preferably opens radially in a heat exchanger, which is preferably arranged in an annular channel is.
- the gas leaves the high-speed mixing room in the form of a free jet.
- This beam hits the bottom wall of the main combustion chamber and is there according to the flow geometry of a baffle plate flow distributed rotationally symmetrically.
- High centrifugal forces cause the gas both along the bottom wall and after a further deflection like a Ring jet flows axially along the inner surface of the side wall of the combustion chamber.
- the cross-sectional area of this ring beam takes along the side wall of the Main combustion chamber to the combustion chamber outlet only slightly, so that between the ring jet and the outer wall of the high-speed mixing chamber forms a stationary vortex area.
- the present invention is based on the problem of an apparatus or a method of the type described above so that the volume of the main combustion chamber ideal for burning the oxidizable components in the carrier gas is being used.
- this task is essentially solved by that at least one flow-guiding element is installed in the main combustion chamber through which the flame tube leaves and in the direction of the combustion chamber outlet flowing gas is distributed over the entire cross section of the main combustion chamber, a rectified flow of the gas arises and the combustion over the cross section of the main combustion chamber takes place evenly.
- the guide element can be a guide plate, a perforated plate and / or a guide ring or similar flow distribution device as e.g. Cone-shaped reflector cones Baffle plates and vanes. At least two guide elements are preferably shown in FIG the main combustion chamber.
- the or the guide element are preferably between the outlet opening of the flame tube and the bottom wall of the main combustion chamber.
- the guiding elements can also be arranged coaxially around the flame tube or guiding elements both between the outlet opening of the flame tube and the bottom wall and coaxially to Flame tube to be arranged.
- the teaching of the invention distributes the flow of the Gas mixture in the entire main combustion chamber.
- the device according to the invention In particular, there is the advantage that there is a significant reduction in the temperature of the skin's combustion chamber or a reduction in the main combustion chamber volume with the same Residual concentration of oxidizable components in the cleaned carrier gas or a reduced residual concentration while maintaining the main combustion chamber temperature and constant main combustion chamber volume can be achieved.
- the invention is characterized in that that leaving the flame tube and flowing in the direction of the combustion chamber outlet Gas is distributed over the entire cross-section of the main combustion chamber in such a way that there is a rectified flow of gas and combustion takes place evenly over the cross-section of the main combustion chamber.
- the redirected Gas essentially free of turbulence and backflow to the combustion chamber outlet be performed. This ensures that the combustion chamber is fully utilized and prevented Mixing more purified gas with less purified gas.
- the main combustion chamber (24) is in a first one Section (23) with a large cross-sectional area and a second section (25) with divided small cross-sectional area.
- the first section (23) is annular to the axis (18) of the device (10) and is delimited by the end wall (16) Sections (17) of the outer casing (12) and through an intermediate wall (50).
- the second section (25) of the main combustion chamber is an annular space around the flame tube (22), starting from the intermediate wall (50) and ending in a further annular space (28), in the heat exchanger tubes (30) of a cross-countercurrent heat exchanger (32) concentric to the axis (18) of the device (10) and thus also concentric to the flame tube (22) are arranged.
- guide elements (40) are located in the main combustion chambers (24), (42), (44) arranged, which cause the entire cross-sections the main combustion chambers (24) or across the cross sections of the individual sections of the main combustion chambers an even, in essentially rectified flow is present.
- the guide elements can both by low resistance and lead the flow through large form resistances.
- the examples are Guide elements (40) and (42) in the form of a guide ring or guide plate a low form resistance, whereas guide elements (44) in the form of Perforated sheets or resistance grids or in the form of panels a large one Form resistance.
- the shape of the guide elements in particular the guide elements (40) and (42), must be such that partial volume flows of the rotationally symmetrical flow onto the floor (21) of the main combustion chamber (24) and shear off Deflection by 90 ° in the direction of the combustion chamber outlet (26) is effected.
- the guide element (44) in the form of a perforated plate, resistance grille, an orifice or the like, which surrounds the end region of the flame tube (22) in each of the exemplary embodiments, represents a high flow resistance which, owing to the high speeds in free cross-sectional areas present in the guide element, results in a distribution of one side on Outer jacket of the main combustion chamber (24) formed flow on the entire cross-sectional area of the main combustion chamber (24).
- Raw gas laden with pollutants i.e. containing oxidizable components Carrier gas
- the gas inlet designed as an inlet connection (36) into the device (10) is concentric with the flame tube (22) arranged heat exchanger tubes (30) guided, leaves in one arranged coaxially to the burner (19) and from the end wall (14) limited chamber (46) the heat exchanger (32) and at least partially passed the burner (19).
- While flowing through the Heat exchanger (32) is preheated by absorbing heat via the Heat exchanger tubes (30) emerging from the main combustion chamber (24) and gas flowing around the heat exchanger tubes (30).
- Part of the preheated pollutant-laden raw gas reaches the Flame of the burner (19) in contact and serves as a combustion gas. Of the other part flows past the burner (19) or the flame.
- the raw gas with the already reacting pollutants occurs in the first section (23) of the main combustion chamber (24) and is there by the guide elements acting as flow-guiding internals (40) and / or (42) and / or (44) on the entire flow cross section the main combustion chamber (24) distributed so that a rectified Flow arises and combustion over the cross-section of the main combustion chamber done evenly.
- the cleaned carrier gas is then around the heat exchanger tubes (30) Pipe bundle heat exchanger (32) guided, gives heat to what is to be cleaned Carrier gas and is also designed as a gas outlet (38) headed.
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Incineration Of Waste (AREA)
- Gas Burners (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
Description
- Fig. 1
- eine erste Ausführungsform einer Vorrichtung zum Verbrennen oxidierbarer Bestandteile in einem zu reinigenden Trägergas und
- Fig. 2
- eine zweite Ausführungsform einer Vorrichtung.
Das in den Ausführungsbeispielen jeweils den Endbereich des Flammrohrs (22) umgebende Leitelement (44) in Form eines Lochbleches, Widerstandsgitters, einer Blende oder ähnliches stellt einen hohen Strömungswiderstand dar, der aufgrund der hohen Geschwindigkeiten in im Leitelement vorliegenden freien Querschnittsflächen eine Verteilung einer einseitig am Außenmantel des Hauptbrennraumes (24) ausgebildeten Strömung auf die gesamte Querschnittsfläche des Hauptbrennraumes (24) bewirkt.
Claims (14)
- Vorrichtung zum Verbrennen oxidierbarer Bestandteile in einem zu reinigendem Trägergas, umfassend einen Gaseinlaß (36), einen Brenner (19) mit sich anschließendem Flammrohr (22), das in einem Boden- und Seitenwandungen (21, 20) umfassenden gegebenenfalls in Abschnitte (23, 25) unterteilten Hauptbrennraum (24) mündet, einen an der Bodenwandung (21) vorzugsweise gegenüberliegender Seite des Hauptbrennraumes gelegenen Brennkammeraustritt (26), einen Wärmetauscher (32) sowie einen Gasauslaß (38),
dadurch gekennzeichnet,
daß in dem Hauptbrennraum (24) zumindest ein strömungsführendes Leitelement (40, 42, 44) eingebaut ist, durch das das Flammrohr (22) verlassendes und in Richtung des Brennkammeraustritts (26) strömendes Gas auf den gesamten Querschnitt des Hauptbrennraumes (24) verteilt wird, eine gleichgerichtete Strömung des Gases entsteht und die Verbrennung über den Querschnitt des Hauptbrennraums gleichmäßig erfolgt. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet,
daß das Leitelement (40, 42, 44) ein Leitblech ist. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet,
daß das Leitelement ein Lochblech (44) ist. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet,
daß das Leitelement ein Leitring (40, 42) ist. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet,
daß das Leitelement aus Leitschaufeln zusammengesetzt ist. - Vorrichtung nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß zumindest zwei Leitelemente (40,42,44) in verschiedenen Ebenen des Hauptbrennraumes (24) angeordnet sind. - Vorrichtung nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß das Leitelement (40,42,44) symmetrisch zu einer Ebene ausgebildet ist, in der die Längsachse (18) des Hauptbrennraumes (24) verläuft. - Vorrichtung nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß das Leitelement (40, 42,44) rotationssymmetrisch zur Längsachse (18) ausgebildet ist. - Vorrichtung nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß das Leitelement (44) eine Blende oder ein Widerstandsgitter oder ein Lochblech oder ein statischer Mischer ist. - Vorrichtung nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß zumindest zwei unterschiedliche Formwiderstände bildende Leitelemente (40,42,44) in dem Hauptbrennraum (24) angeordnet sind. - Vorrichtung nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß das Leitelement (40,42) zwischen Austrittsöffnung des Flammrohres (22) und Bodenwandung (21) des Hauptbrennraumes (24) angeordnet ist. - Vorrichtung nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß zumindest ein Leitelement (44) zwischen Flammrohr(22) und der Seitenwandung (20) des Hauptbrennraumes (24) angeordnet ist. - Verfahren zum Verbrennen oxidierbarer Bestandteile in einem zu reinigendem Trägergas in einer Vorrichtung (10) umfassend einen von einem Flammrohr (22) ausgehenden, durch Boden - und Seitenwandungen (20) begrenzten Hauptbrennraum (24), in dem gereinigtes Gas von der Bodenwandung (21) in Richtung eines vorzugsweise koaxial zum Flammrohr angeordneten Brennkammeraustritts (26) umgelenkt wird,
dadurch gekennzeichnet,
daß das das Flammrohr (22) verlassende und in Richtung des Brennkammeraustritts (26) strömende Gas auf den gesamten Querschnitt des Hauptbrennraumes (24) derart verteilt wird, dass eine gleichgerichtete Strömung des Gases entsteht und die Verbrennung über den Querschnitt des Hauptbrennraums gleichmäßig erfolgt. - Verfahren nach Anspruch 13,
dadurch gekennzeichnet,
daß das umgelenkte Gas unter Vermeidung von Rückströmungen im Hauptbrennraum (24) im wesentlichen verwirbelungsfrei zum Brennraumaustritt (26) geführt wird.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4306417 | 1993-03-02 | ||
DE4306417A DE4306417A1 (de) | 1993-03-02 | 1993-03-02 | Vorrichtung und Verfahren zum Verbrennen oxidierbarer Bestandteile in einem zu reinigenden Trägergas |
PCT/EP1994/000539 WO1994020792A1 (de) | 1993-03-02 | 1994-02-25 | Vorrichtung und verfahren zum verbrennen oxidierbarer bestandteile in einem zu reinigenden trägergas |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0686250A1 EP0686250A1 (de) | 1995-12-13 |
EP0686250B1 true EP0686250B1 (de) | 1998-09-23 |
Family
ID=6481705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94909051A Expired - Lifetime EP0686250B1 (de) | 1993-03-02 | 1994-02-25 | Vorrichtung und verfahren zum verbrennen oxidierbarer bestandteile in einem zu reinigenden trägergas |
Country Status (10)
Country | Link |
---|---|
US (1) | US5709542A (de) |
EP (1) | EP0686250B1 (de) |
AT (1) | ATE171537T1 (de) |
AU (1) | AU684752B2 (de) |
CA (1) | CA2157502A1 (de) |
CZ (1) | CZ289079B6 (de) |
DE (2) | DE4306417A1 (de) |
ES (1) | ES2124875T3 (de) |
HU (1) | HU218077B (de) |
WO (1) | WO1994020792A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29612352U1 (de) * | 1996-07-17 | 1997-02-13 | Paul Schneider Rohrleitungsbau und Wärmetechnik GmbH, 96472 Rödental | Brennkammer zum Betrieb einer Trocknungsanlage mit Multifunktionsbrennereinrichtung und Pralleinrichtung zur energiesparenden und emissionsarmen Trocknung |
US5944512A (en) | 1998-08-10 | 1999-08-31 | Ludwig; Mark | Heating and incineration device |
FR2785365B1 (fr) * | 1998-11-02 | 2000-12-29 | Alstom Technology | Chambre de combustion destinee a epurer un effluent gazeux pourvue de moyens mecaniques permettant d'homogeneiser l'ecoulement dudit effluent gazeux |
DE19937116A1 (de) * | 1999-08-06 | 2001-02-08 | Bayer Ag | Moxifloxacin Kochsalzformulierung |
US20020164409A1 (en) | 2001-05-02 | 2002-11-07 | Raffael Sandolo | Coffee roasting apparatus and method |
DE102007006268B3 (de) * | 2007-02-08 | 2008-05-29 | Probat-Werke Von Gimborn Maschinenfabrik Gmbh | Vorrichtung und Verfahren zur Wärmebehandlung eines schüttfähigen pflanzlichen Gutes |
US20080241774A1 (en) * | 2007-03-30 | 2008-10-02 | Pierangelo Ghilardi | Compact apparatus for generating a hot air flow with a gas burner |
US8784096B2 (en) * | 2009-09-29 | 2014-07-22 | Honeywell International Inc. | Low NOx indirect fire burner |
DE102010030832B4 (de) * | 2010-07-01 | 2014-04-03 | Sgl Carbon Se | Vorrichtung zur HCI-Synthese mit Dampferzeugung |
CN102721071B (zh) * | 2012-02-03 | 2014-10-29 | 常州市鼎龙环保设备有限公司 | 废气焚烧炉 |
CN102705817A (zh) * | 2012-02-03 | 2012-10-03 | 常州市鼎龙环保设备有限公司 | 用于废气焚烧炉的天然气燃烧室 |
US8679561B2 (en) * | 2012-06-21 | 2014-03-25 | Loring Smart Roast, Inc. | Smokeless coffee roaster |
DE102014018178A1 (de) * | 2014-12-09 | 2016-06-09 | Eisenmann Se | Thermische Nachverbrennungsanlage |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH361904A (de) * | 1958-04-18 | 1962-05-15 | Oelfeuerungen Ag | Auskleidung in ölbefeuertem Wasserkessel |
DE2352204B2 (de) * | 1973-10-18 | 1976-01-22 | Katec Katalytische Lufttechnik Betz & Co, 6461 Neuenhaßlau | Verbrennungseinrichtung zur verbrennung von stoerstoffen in abgasen |
DE7909153U1 (de) * | 1979-03-30 | 1979-07-05 | W. Ernst Haas + Sohn, 6349 Sinn | Umkehrbrennkammer fuer einen waermetauscher |
FR2556446B1 (fr) * | 1983-12-13 | 1989-03-03 | Heckmann Emile | Procede de desodorisation d'effluents gazeux par oxydation thermique dans un generateur a pre-pyrolyse et a recuperation de chaleur, et generateur pour la mise en oeuvre de ce procede |
SE442053B (sv) * | 1984-04-17 | 1985-11-25 | Nils Axel Ambjoern Oestbo | Turbulator |
DE3521044A1 (de) * | 1985-06-12 | 1986-12-18 | Eduard 8491 Windischbergerdorf Wandzel | Glueheinsatz fuer oefen, insbesondere heizungskessel |
DE3532232A1 (de) * | 1985-09-10 | 1987-03-19 | Katec Betz Gmbh & Co | Vorrichtung zum verbrennen oxidierbarer bestandteile in einem traegergas |
-
1993
- 1993-03-02 DE DE4306417A patent/DE4306417A1/de not_active Withdrawn
-
1994
- 1994-02-25 CA CA002157502A patent/CA2157502A1/en not_active Abandoned
- 1994-02-25 ES ES94909051T patent/ES2124875T3/es not_active Expired - Lifetime
- 1994-02-25 EP EP94909051A patent/EP0686250B1/de not_active Expired - Lifetime
- 1994-02-25 WO PCT/EP1994/000539 patent/WO1994020792A1/de active IP Right Grant
- 1994-02-25 HU HU9502521A patent/HU218077B/hu not_active IP Right Cessation
- 1994-02-25 AU AU62056/94A patent/AU684752B2/en not_active Ceased
- 1994-02-25 CZ CZ19952223A patent/CZ289079B6/cs not_active IP Right Cessation
- 1994-02-25 DE DE59406977T patent/DE59406977D1/de not_active Expired - Fee Related
- 1994-02-25 AT AT94909051T patent/ATE171537T1/de not_active IP Right Cessation
- 1994-02-25 US US08/522,228 patent/US5709542A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
HUT72856A (en) | 1996-05-28 |
WO1994020792A1 (de) | 1994-09-15 |
CZ222395A3 (en) | 1996-05-15 |
CZ289079B6 (cs) | 2001-10-17 |
DE59406977D1 (de) | 1998-10-29 |
AU684752B2 (en) | 1998-01-08 |
DE4306417A1 (de) | 1994-09-08 |
ES2124875T3 (es) | 1999-02-16 |
ATE171537T1 (de) | 1998-10-15 |
HU9502521D0 (en) | 1995-10-30 |
US5709542A (en) | 1998-01-20 |
HU218077B (hu) | 2000-05-28 |
EP0686250A1 (de) | 1995-12-13 |
AU6205694A (en) | 1994-09-26 |
CA2157502A1 (en) | 1994-09-15 |
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