EP0798511B1 - Heizkessel und Verfahren zu seinem Betreiben - Google Patents
Heizkessel und Verfahren zu seinem Betreiben Download PDFInfo
- Publication number
- EP0798511B1 EP0798511B1 EP97104267A EP97104267A EP0798511B1 EP 0798511 B1 EP0798511 B1 EP 0798511B1 EP 97104267 A EP97104267 A EP 97104267A EP 97104267 A EP97104267 A EP 97104267A EP 0798511 B1 EP0798511 B1 EP 0798511B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- combustion chamber
- heating boiler
- axial
- exhaust gas
- secondary air
- 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
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B5/00—Combustion apparatus with arrangements for burning uncombusted material from primary combustion
- F23B5/04—Combustion apparatus with arrangements for burning uncombusted material from primary combustion in separate combustion chamber; on separate grate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B7/00—Combustion techniques; Other solid-fuel combustion apparatus
- F23B7/002—Combustion techniques; Other solid-fuel combustion apparatus characterised by gas flow arrangements
- F23B7/005—Combustion techniques; Other solid-fuel combustion apparatus characterised by gas flow arrangements with downdraught through fuel bed and grate
Definitions
- the invention relates to a method according to the Preamble of claim 1. Furthermore, the Invention a boiler according to the preamble of Claim 3.
- the flue gases can be particularly advantageous after their swirling in two essentially axial and parallel longitudinal flows through two essentially cylindrical, arranged downstream of the flue gas inlet Suck areas out of the combustion chamber.
- the device mentioned at the outset has the solution to task set the features of the invention characterizing part of claim 3.
- the flue gas duct forms a narrowest cross section, so to speak of the system in which a correspondingly high speed prevails. This leads - as in the case of known device - for a very good interference of Secondary air in the pyrolysis flue gases.
- the mixture occurs then radially into the combustion chamber and hits the opposite combustion chamber wall on the axial inner rib.
- the mixture flow divides and forms the two opposing longitudinal vertebrae, which are at their axial Hike through the entire combustion chamber mutually penetrate and thereby an extremely even and cause low-emission combustion.
- the flue gas duct as Axial slot opens into the combustion chamber. This will cause this End of the combustion chamber, which is closed in the axial direction is already having a certain axial length of the combustion chamber the mixture consisting of the flue gases and the secondary air acted upon, with a relatively thin, broadband gas flow, which is divided into broadband, splits even thinner longitudinal eddy currents. This too helps to make the combustion even.
- the secondary air duct to at least one side of the Axial slot runs essentially parallel to this and is connected to it by at least one slot nozzle.
- the secondary air preheated in this way is removed by the Slit nozzle into the flue gas duct at a relatively high speed sucked in at a point where in this also has a relatively high flow rate prevails. It happens before entering the combustion chamber So to a very good mixing, which is encouraged by it can be that the slot nozzle in the flow direction the smoke is inclined.
- edges of the axial slot are advantageously rounded inwards so that the opposite Vortex in the upper area towards the center of the combustion chamber are pressed downwards and thus in the area of the Combustion chamber center meet. This also promotes the mixing.
- the cross section of the combustion chamber at least in the range of Flue gas routing essentially circular or elliptical is trained. Especially with circular cross sections excellent results have been achieved. But also the elliptical shape leads to very good mixing.
- the axial inner rib advantageously extends essentially over the entire length of the combustion chamber, so that the opposite vortex formation up to the end of the combustion chamber stops.
- the Area of the combustion chamber assigned to the flue gas duct downstream connect two substantially cylindrical areas that on both sides of the plane defined by the axial inner rib run parallel to each other up to the end of the combustion chamber.
- the gas flow is thus within the combustion chamber divided into two parallel firing zones, in which the turbulence continues.
- the combustion chamber is preferably below the filling space arranged, the flue gas duct essentially runs vertically. In this way, a special one arises favorable design and a uniform gas flow in the Footwell of the filling room, especially if the flue gas duct starts from the center of the filling chamber floor.
- the boiler according to FIGS. 1 and 2 has a filling space 1 in which solid fuel 2 is pyrolyzed.
- a primary air duct 3 opens in the filling chamber 1 is only indicated schematically here.
- the combustion chamber 4 is over with the filling chamber 1 a flue gas duct 5 connected.
- the mouth of the flue gas duct 5 lies at the right end of the combustion chamber 4, at which this is closed.
- the smoke gases leave the Combustion chamber 4 at its left open end.
- the combustion chamber 4 is also supplied with secondary air via a secondary air duct 6, which is only schematic in FIG. 1 is shown, but results more clearly from FIG. 2.
- a suction fan 7 creates a vacuum in that Space in which the combustion chamber 4 opens. This leads to, that flue gases from the filling room 1 through the flue gas duct 5 are sucked into the combustion chamber 4. At the same time, primary air flows through the primary air duct 3 sucked through into the filling chamber 1. Secondary air sucked in through the secondary air duct 6.
- Fig. 2 shows that the secondary air duct 6 from two channels exists, the flue gas duct 5 parallel on both sides run to this, the flue gas guide 5 in this Area is designed as an axial slot.
- the connection of the Secondary air duct 6 with the flue gas duct 5 consists of Slot nozzles 8, which are inclined in the flow direction of the flue gas are. So it happens before entering the combustion chamber 4 for an intimate mixing of the flue gases with the secondary air.
- the flue gas guide 5 opens radially into the combustion chamber 4.
- the combustion chamber has an axial inner rib opposite it 9 on, which has a sharp-edged back and rounded merges into the combustion chamber wall.
- the interior of the Incidentally, the combustion chamber is circular.
- combustion chamber 4 essentially is elliptical, apart from the axial Inner rib 9 and that the edges 10 of the slot-shaped exhaust duct 5 rounded inwards are.
- the opposite longitudinal vortices are therefore in the upper Area more towards the center of the combustion chamber directed where there is a particularly intensive mixing is coming.
- combustion chamber 4 is only in that The area is elliptical, that of the flue gas duct 5 is assigned. Close to this area downstream two cylindrical areas 11 which the swirling Divide the flue gas flow into two partial flows. The latter run parallel to each other on both sides to that of the axial Inner rib 9 defined level.
- the combustion chamber is 4th arranged centrally below the filling space 1, since this too an inexpensive slim design and an even one Gas extraction leads from the filling room.
- the combustion chamber can also be located to the side of the filling chamber.
- the cross section of the combustion chamber can change over their length and also the axis of the Combustion chamber to incline limited to the horizontal.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19612045A DE19612045A1 (de) | 1996-03-27 | 1996-03-27 | Heizkessel und Verfahren zu seinem Betreiben |
DE19612045 | 1996-03-27 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0798511A2 EP0798511A2 (de) | 1997-10-01 |
EP0798511A3 EP0798511A3 (de) | 1998-08-12 |
EP0798511B1 true EP0798511B1 (de) | 2001-05-30 |
Family
ID=7789541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97104267A Expired - Lifetime EP0798511B1 (de) | 1996-03-27 | 1997-03-13 | Heizkessel und Verfahren zu seinem Betreiben |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0798511B1 (no) |
AT (1) | ATE201759T1 (no) |
DE (1) | DE19612045A1 (no) |
DK (1) | DK0798511T3 (no) |
NO (1) | NO308754B1 (no) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7498102B2 (en) | 2002-03-22 | 2009-03-03 | Bookeun Oh | Nonaqueous liquid electrolyte |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT410254B (de) * | 2000-09-01 | 2003-03-25 | Froeling Heizkessel Und Behael | Brennkammer für einen mit festbrennstoffen beheizbaren kessel |
DE102006009335A1 (de) * | 2006-03-01 | 2007-09-06 | Viessmann Werke Gmbh & Co Kg | Heizkessel, insbesondere für Bio-Festbrennstoffe |
EP1983258A3 (en) * | 2007-03-13 | 2010-03-31 | Central Boiler Inc. | Wood fired boiler |
EP2615369B1 (en) * | 2012-01-16 | 2019-05-29 | Decona Holding B.V. | Heating device |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE216131C (no) * | ||||
DE3345202A1 (de) * | 1983-12-14 | 1985-06-20 | Franklin 8901 Kissing Schmidt | Vorrichtung zur herabsetzung der taupunkttemperatur von abgasen |
CH678652A5 (no) * | 1989-04-28 | 1991-10-15 | Heitzmann Ag | |
AT400180B (de) * | 1990-01-10 | 1995-10-25 | Froeling Heizkessel Und Behael | Festbrennstoffbeheizter unterbrand-kessel |
DE4007849C3 (de) * | 1990-03-12 | 1999-10-07 | Hermann Hofmann | Ofen für Festbrennstoffe |
EP0563499A1 (de) * | 1992-03-31 | 1993-10-06 | Liebi Lnc Ag | Holzvergaserkessel |
-
1996
- 1996-03-27 DE DE19612045A patent/DE19612045A1/de not_active Withdrawn
-
1997
- 1997-03-13 DK DK97104267T patent/DK0798511T3/da active
- 1997-03-13 AT AT97104267T patent/ATE201759T1/de not_active IP Right Cessation
- 1997-03-13 EP EP97104267A patent/EP0798511B1/de not_active Expired - Lifetime
- 1997-03-17 NO NO971225A patent/NO308754B1/no not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7498102B2 (en) | 2002-03-22 | 2009-03-03 | Bookeun Oh | Nonaqueous liquid electrolyte |
Also Published As
Publication number | Publication date |
---|---|
NO971225D0 (no) | 1997-03-17 |
DE19612045A1 (de) | 1997-10-02 |
DK0798511T3 (da) | 2001-08-27 |
NO971225L (no) | 1997-09-29 |
EP0798511A2 (de) | 1997-10-01 |
NO308754B1 (no) | 2000-10-23 |
EP0798511A3 (de) | 1998-08-12 |
ATE201759T1 (de) | 2001-06-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0436113B1 (de) | Verfahren zum Betrieb einer Feuerungsanlage | |
EP0111874B1 (de) | Einrichtung zum Verbrennen insbesondere von reaktionsträgem Kohlenstaub | |
EP0286077B2 (de) | Verfahren zum Verbrennen von Müll | |
DE19502796B4 (de) | Brenner | |
EP0684428A2 (de) | Injektor zum Einblasen von Luft in den Verbrennungsraum eines Fackelbrenners und Fackelbrenner | |
EP0629817B1 (de) | Feuerungsanlage | |
EP0777081B1 (de) | Vormischbrenner | |
DE19547912A1 (de) | Brenner für einen Wärmeerzeuger | |
DE69432800T2 (de) | Mischkammer für einen brenner | |
DE4330083A1 (de) | Verfahren zum Betrieb eines Vormischbrenners | |
EP0798511B1 (de) | Heizkessel und Verfahren zu seinem Betreiben | |
DE2745756C3 (de) | Verbrennungsofen | |
DE4412315B4 (de) | Verfahren und Vorrichtung zum Betreiben der Brennkammer einer Gasturbine | |
EP0694730A2 (de) | Brenner | |
DE60016106T2 (de) | Brenner mit Abgasrückführung | |
DE2721525A1 (de) | Brenner fuer einen zum abfackeln brennbarer abgase dienenden schornstein | |
EP0777082A2 (de) | Vormischbrenner | |
EP0602396A1 (de) | Prozesswärmeerzeuger | |
DE4243834C2 (de) | Abgaserfassungshaube mit stabilisierter Drallströmung | |
EP0961905B1 (de) | Vorrichtung und verfahren zum verbrennen von brennstoff | |
DE4323300A1 (de) | Mischvorrichtung für einen Brenner | |
AT397551B (de) | Verbrennungsofen | |
DE19542373B4 (de) | Brennerkopf für Gasbrenner | |
DE102011116723A1 (de) | Sekundärbrennkammer mit Sekundärlufteindüsung | |
EP2085693A2 (de) | Verfahren und Vorrichtung zum Verbrennen fester Brennstoffe |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT CH DK FI FR IT LI SE |
|
AX | Request for extension of the european patent |
Free format text: SI PAYMENT 970313 |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT CH DK FI FR IT LI SE |
|
AX | Request for extension of the european patent |
Free format text: SI PAYMENT 970313 |
|
17P | Request for examination filed |
Effective date: 19980819 |
|
17Q | First examination report despatched |
Effective date: 19990629 |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT CH DK FI FR IT LI SE |
|
AX | Request for extension of the european patent |
Free format text: SI PAYMENT 19970313 |
|
REF | Corresponds to: |
Ref document number: 201759 Country of ref document: AT Date of ref document: 20010615 Kind code of ref document: T |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
ITF | It: translation for a ep patent filed |
Owner name: STUDIO TORTA S.R.L. |
|
REG | Reference to a national code |
Ref country code: DK Ref legal event code: T3 |
|
ET | Fr: translation filed | ||
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed | ||
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: CH Payment date: 20030218 Year of fee payment: 7 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: SE Payment date: 20030304 Year of fee payment: 7 Ref country code: FI Payment date: 20030304 Year of fee payment: 7 Ref country code: AT Payment date: 20030304 Year of fee payment: 7 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DK Payment date: 20030306 Year of fee payment: 7 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20030314 Year of fee payment: 7 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20040313 Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20040313 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20040314 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20040331 Ref country code: DK Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20040331 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20040331 |
|
EUG | Se: european patent has lapsed | ||
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20041130 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050313 |