WO2002075215A1 - Schornsteinkopf - Google Patents
Schornsteinkopf Download PDFInfo
- Publication number
- WO2002075215A1 WO2002075215A1 PCT/EP2002/000721 EP0200721W WO02075215A1 WO 2002075215 A1 WO2002075215 A1 WO 2002075215A1 EP 0200721 W EP0200721 W EP 0200721W WO 02075215 A1 WO02075215 A1 WO 02075215A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- exhaust gas
- shaft
- guide device
- fresh air
- las
- Prior art date
Links
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
- F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
- F23L17/02—Tops for chimneys or ventilating shafts; Terminals for flues
- F23L17/04—Balanced-flue arrangements, i.e. devices which combine air inlet to combustion unit with smoke outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J13/00—Fittings for chimneys or flues
- F23J13/08—Doors or covers specially adapted for smoke-boxes, flues, or chimneys
Definitions
- the invention relates to a chimney head with an end plate in which side by side upwardly open mouths of an exhaust duct and an LAS shaft and between them the open top mouth of a fresh air shaft are arranged and wherein an exhaust gas outlet nozzle and above the mouth of the LAS duct are arranged above the mouth of the exhaust duct.
- a LAS outflow nozzle is provided which has at least one suction opening near the cover plate.
- an LAS duct is an air-flue duct, in which an flue duct is arranged - usually centrally - within the inlet air duct, so that the inlet air is guided in an annular gap in counterflow to the flue gas.
- the supply air is drawn in at the foot of the LAS outflow nozzle.
- one or more suction openings are provided there, or the entire foot area is designed as a grid extending over the entire circumference.
- Condenser-type fireplaces that work independently of the room air are preferably connected to a LAS shaft.
- a separate fresh air shaft is provided when the fresh air comes into contact with the room air, for example in an open fireplace or in a solid fire place.
- the object of the present invention is to limit the recirculation rate of exhaust gas into the fresh air shaft or into the supply air shaft of the LAS shaft to less than 5% in a chimney head described at the outset, even under unfavorable wind conditions. unfavorable
- the cover plate should, if possible, be made in one piece with the chimney casing.
- the object is achieved in that a guide device is arranged above the mouth of the supply air duct, which guides exhaust gas escaping from the exhaust gas outlet nozzle over the mouth of the fresh air duct and over the suction opening of the LAS exhaust nozzle.
- the guiding device can be designed as a thin plate that extends from the exhaust gas outlet connection and covers the mouth of the fresh air shaft at a distance and the suction opening of the LAS outlet connection.
- the plate is arranged approximately parallel to the surface of the cover plate. It goes without saying that instead of a thin plate, a metal sheet can also be provided.
- a guiding device which does not directly adjoin the outflow connection but only covers the mouth of the supply air shaft, the exhaust gases can accumulate on the outside of the guiding device as a result of the Coanda effect and thus become unfavorable Wind conditions are almost introduced into the intake opening of the LAS chimney.
- a guiding device covering the mouth of the fresh air duct is recommended, which deflects the exhaust gases emerging from the exhaust gas outlet connection upwards and has a tear-off edge.
- the guide device is preferably roof-shaped, the ridge running approximately in the direction of the transverse axis of the cover plate.
- the end faces of the guide device are open to air and allow fresh air to enter from the side into the space under the cover, in the bottom surface of which the mouth of the fresh air shaft is arranged.
- an open-air end face is understood not only to mean a completely free end face, but also a front face provided with a grid.
- a roof-shaped guide device can be designed like a sloping roof with roof surfaces reaching to the bottom surface, so that a triangular cross section results.
- the guide device appears particularly elegant if it has the shape of an isosceles triangle in cross section.
- the recirculation rate was measured under various flow conditions on a chimney head with such a guide device.
- the recirculation rate R in% was determined by measuring the CO 2 content c CO 2
- the recirculation rate in the fresh air shaft was measured using the analog formula with c C02 (fresh air) instead of c C ⁇ 2 (fresh air).
- Chart 2 As can be seen from Diagrams 1 and 2, the recirculation rate of 5 is also given very unfavorable additional conditions, namely at a wind speed in the range from 2 m / s to 3 m / s and at an angle from above at an angle of incidence of + 30 ° % achieved neither in the fresh air nor in the supply air. Even with other roof pitches in the range from 0 ° (flat roof) to 45 ° (pitched roof), no higher recirculation rates were measured, but lower values with increasing roof pitch. In comparative measurements, with a semi-cylindrical cover arranged above the mouth of the fresh air shaft, recirculation rates of more than 9% were measured in the supply air in the LAS shaft under otherwise identical conditions. This shows very clearly the influence of the tear-off edge in order to avoid a flow due to the Coanda effect on the cover.
- the guide device can have the shape of a pentagon in cross section.
- the guide device can have any cross-section, it is only important that a tear-off edge is provided in the apex area, which enables flow separation. Openings can be provided in the foot region of the guide device near the cover plate.
- the foot area can be designed, for example, as a grid. This allows fresh air to flow in the longitudinal direction along the cover plate and additionally to enter the space on the leeward side of the tear-off edge.
- FIG. 3 shows a side view of a first chimney head according to the invention with a plate-shaped guide device
- Fig. 4 shows a second chimney head with a triangular cross-section guide device in side view
- Fig. 5 shows a third chimney head with a triangular cross-section guide device in side view
- Fig. 6 shows a fourth chimney head with a pentagonal cross-section guide in side view.
- a chimney head 10 is shown schematically in plan view and in Fig. 2 in side view.
- the chimney head 10 is provided with an end plate 12, in which side-by-side open mouths of an exhaust duct 14 and a LAS duct 16 and between these the open mouth of a fresh air duct 18 are arranged.
- the air-exhaust duct there is a LAS
- Exhaust duct 28 arranged so that an annular cross section remains free for the supply air.
- Reference number 30 denotes the longitudinal axis of the cover plate 12 and reference number 32 the transverse axis of the cover plate 12.
- the arrows a indicate the angles of incidence of the wind flow in the vertical plane, a positive value of the angle of incidence a being assigned to a flow obliquely from top to bottom and a negative value of the angle of incidence a being assigned obliquely from bottom to top.
- FIG 3 shows a first chimney head 110 according to the invention with a plate-shaped guide device 134 in a side view.
- the guiding device 134 is the outlet of the supply air shaft 18 at a distance from the exhaust gas outlet connection 20 and the suction opening 24 of the LAS outflow nozzle 22 covering thin plate executed.
- the plate is wider than the mouth of the supply air shaft 18 and has openings in the area of the outflow connections 20, 22 through which they pass.
- FIG. 4 shows a second chimney head 210 according to the invention with a roof-shaped guide device 234 extending from the cover plate 12 in a side view.
- the guide device 234 is triangular in cross section, the ridge running parallel to the transverse axis 32 of the cover plate 12 forming a tear-off edge 36 for flows running in the direction of the longitudinal axis 30 of the cover plate 12.
- FIG. 5 shows a third chimney head 310 according to the invention with a roof-shaped guiding device 334 also starting from the cover plate 12 in a side view.
- the guide device 334 has the shape of an isosceles acute-angled triangle in cross section, the ridge running parallel to the transverse axis 32 of the cover plate 12 forming a tear-off edge 36 for flows running in the direction of the longitudinal axis 30 of the cover plate 12.
- FIG. 6 shows a fourth chimney head 410 according to the invention with a guide device 434 also starting from the cover plate 12 in a side view.
- the guide device 434 has the shape of a pentagon in cross section, the ridge running parallel to the transverse axis 32 of the cover plate 12 forming a tear-off edge 36 for flows running in the direction of the longitudinal axis 30 of the cover plate 1.
- side walls 438, 440 extend from the top of the cover plate 12 at approximately a right angle, which are angled further upward and are connected to one another at the ridge.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ventilation (AREA)
- Chimneys And Flues (AREA)
- Gyroscopes (AREA)
- Electromagnets (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Solid-Fuel Combustion (AREA)
- Incineration Of Waste (AREA)
- Air Supply (AREA)
- Wind Motors (AREA)
- Catching Or Destruction (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE50205942T DE50205942D1 (de) | 2001-03-20 | 2002-01-24 | Schornsteinkopf |
HU0301595A HU228966B1 (hu) | 2001-03-20 | 2002-01-24 | Kéményfej |
EP02712848A EP1370804B1 (de) | 2001-03-20 | 2002-01-24 | Schornsteinkopf |
SI200230255T SI1370804T1 (sl) | 2001-03-20 | 2002-01-24 | Glava dimnika |
PL359644A PL197269B1 (pl) | 2001-03-20 | 2002-01-24 | Głowica komina |
SK283-2003A SK286333B6 (en) | 2001-03-20 | 2002-01-24 | Chimney stack |
HR20030245A HRP20030245B1 (en) | 2001-03-20 | 2003-04-01 | Chimney stack |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10113568.8 | 2001-03-20 | ||
DE10113568A DE10113568B4 (de) | 2001-03-20 | 2001-03-20 | Schornsteinkopf |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002075215A1 true WO2002075215A1 (de) | 2002-09-26 |
Family
ID=7678261
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2002/000721 WO2002075215A1 (de) | 2001-03-20 | 2002-01-24 | Schornsteinkopf |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP1370804B1 (de) |
AT (1) | ATE319045T1 (de) |
CZ (1) | CZ300694B6 (de) |
DE (2) | DE10113568B4 (de) |
HR (1) | HRP20030245B1 (de) |
HU (1) | HU228966B1 (de) |
PL (1) | PL197269B1 (de) |
SK (1) | SK286333B6 (de) |
WO (1) | WO2002075215A1 (de) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3921509A (en) * | 1973-11-16 | 1975-11-25 | Jimmy L Curry | Chimney cover assembly |
DE3342360A1 (de) * | 1983-11-23 | 1985-05-30 | Schiedel GmbH & Co, 8000 München | Kaminkopf fuer luft-abgas- kamine |
EP0418976A1 (de) * | 1989-09-21 | 1991-03-27 | Ubbink B.V. | Schorstein |
DE29719924U1 (de) | 1997-11-10 | 1998-02-26 | Jacob Plein-Wagner Söhne Steinzeugwarenfabrik GmbH & Co KG, 54662 Speicher | Abdeckung für den Kopf eines aus zwei nebeneinander angeordneten Schornsteinen, wobei mindestens ein Schornstein ein Luft-Abgas-Schornstein ist |
DE29621701U1 (de) * | 1996-12-13 | 1998-04-09 | KLB Klimaleichtblock GmbH, 56564 Neuwied | Schornsteinkopf |
EP1039222A1 (de) * | 1999-03-23 | 2000-09-27 | Klöber, Johannes | In eine Dachabdeckung einbaubare Vorrichtung zur Durchleitung von Zuluft und Abluft |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL9100187A (nl) * | 1991-02-01 | 1992-09-01 | Muelink & Grol Bv | Inrichting voor de toevoer van verbrandingslucht en de afvoer van rookgassen. |
-
2001
- 2001-03-20 DE DE10113568A patent/DE10113568B4/de not_active Expired - Fee Related
-
2002
- 2002-01-24 EP EP02712848A patent/EP1370804B1/de not_active Expired - Lifetime
- 2002-01-24 PL PL359644A patent/PL197269B1/pl unknown
- 2002-01-24 AT AT02712848T patent/ATE319045T1/de active
- 2002-01-24 SK SK283-2003A patent/SK286333B6/sk not_active IP Right Cessation
- 2002-01-24 WO PCT/EP2002/000721 patent/WO2002075215A1/de not_active Application Discontinuation
- 2002-01-24 CZ CZ20030618A patent/CZ300694B6/cs not_active IP Right Cessation
- 2002-01-24 DE DE50205942T patent/DE50205942D1/de not_active Expired - Lifetime
- 2002-01-24 HU HU0301595A patent/HU228966B1/hu not_active IP Right Cessation
-
2003
- 2003-04-01 HR HR20030245A patent/HRP20030245B1/xx not_active IP Right Cessation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3921509A (en) * | 1973-11-16 | 1975-11-25 | Jimmy L Curry | Chimney cover assembly |
DE3342360A1 (de) * | 1983-11-23 | 1985-05-30 | Schiedel GmbH & Co, 8000 München | Kaminkopf fuer luft-abgas- kamine |
DE3342360C2 (de) | 1983-11-23 | 1987-04-09 | Schiedel Gmbh & Co, 8000 Muenchen, De | |
EP0418976A1 (de) * | 1989-09-21 | 1991-03-27 | Ubbink B.V. | Schorstein |
DE29621701U1 (de) * | 1996-12-13 | 1998-04-09 | KLB Klimaleichtblock GmbH, 56564 Neuwied | Schornsteinkopf |
DE29719924U1 (de) | 1997-11-10 | 1998-02-26 | Jacob Plein-Wagner Söhne Steinzeugwarenfabrik GmbH & Co KG, 54662 Speicher | Abdeckung für den Kopf eines aus zwei nebeneinander angeordneten Schornsteinen, wobei mindestens ein Schornstein ein Luft-Abgas-Schornstein ist |
EP1039222A1 (de) * | 1999-03-23 | 2000-09-27 | Klöber, Johannes | In eine Dachabdeckung einbaubare Vorrichtung zur Durchleitung von Zuluft und Abluft |
Also Published As
Publication number | Publication date |
---|---|
SK2832003A3 (en) | 2003-09-11 |
SK286333B6 (en) | 2008-07-07 |
DE10113568A1 (de) | 2002-10-10 |
EP1370804B1 (de) | 2006-03-01 |
HRP20030245B1 (en) | 2011-10-31 |
ATE319045T1 (de) | 2006-03-15 |
HU228966B1 (hu) | 2013-07-29 |
EP1370804A1 (de) | 2003-12-17 |
CZ300694B6 (cs) | 2009-07-22 |
CZ2003618A3 (cs) | 2003-08-13 |
PL359644A1 (en) | 2004-08-23 |
DE10113568B4 (de) | 2005-06-16 |
HRP20030245A2 (en) | 2003-06-30 |
HUP0301595A2 (en) | 2003-09-29 |
PL197269B1 (pl) | 2008-03-31 |
DE50205942D1 (de) | 2006-04-27 |
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