EP0685689A1 - Dispositif combiné d'admission d'air et d'échappement de fumées pour appareils de combustion étanches - Google Patents

Dispositif combiné d'admission d'air et d'échappement de fumées pour appareils de combustion étanches Download PDF

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Publication number
EP0685689A1
EP0685689A1 EP95201404A EP95201404A EP0685689A1 EP 0685689 A1 EP0685689 A1 EP 0685689A1 EP 95201404 A EP95201404 A EP 95201404A EP 95201404 A EP95201404 A EP 95201404A EP 0685689 A1 EP0685689 A1 EP 0685689A1
Authority
EP
European Patent Office
Prior art keywords
duct
combustion air
air discharge
discharge duct
shut
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.)
Withdrawn
Application number
EP95201404A
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German (de)
English (en)
Inventor
Andreas Bernard Cantineaux
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.)
Muelink and Grol BV
Original Assignee
Muelink and Grol BV
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 Muelink and Grol BV filed Critical Muelink and Grol BV
Publication of EP0685689A1 publication Critical patent/EP0685689A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J11/00—Devices for conducting smoke or fumes, e.g. flues 
    • F23J11/12—Smoke conduit systems for factories or large buildings
    • 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
    • F23L11/00—Arrangements of valves or dampers after the fire
    • F23L11/02—Arrangements of valves or dampers after the fire for reducing draught by admission of air to flues

Definitions

  • the invention relates to the air supply and combustion air discharge in combustion boilers of the essentially closed type, such as those currently being widely used for the hot water supply and/or heating of dwellings.
  • Figures 1a and 1b show a block of flats 1, consisting of various floors 2 placed above one another.
  • a closed boiler 3 is placed on each floor, for the hot water supply and for heating the living areas.
  • the boiler 3 is gas-fired.
  • An air supply duct 4 opens out on each floor in a side wall of the building 1 and runs horizontally to the boiler 3.
  • the air supply duct 4 is connected to the boiler 3 by means of a vertical connecting stub 5 ( Figure 2).
  • a fan (not visible) is installed in a manner known per se inside the boiler 3, for drawing in outside air through the air supply duct 4.
  • a combustion air discharge duct 6 runs, also horizontally, from the boiler 3 to a vertical chimney 7 projecting beyond the roof of the building 1.
  • the chimney 7 can run outside the building ( Figure 1a), but could also be installed in a shaft 8 specially designed for it inside the block of flats 1 (Fig. 1b).
  • the boiler 3 is connected by means of an injection duct 9 to the combustion air discharge duct 6.
  • the general lengthwise direction of the injection duct 9 forms an acute angle with the lengthwise direction of the combustion air discharge duct 6.
  • the end 10 of the injection duct 9 projecting into the combustion air discharge duct 6 runs parallel to the lengthwise direction of the combustion air discharge duct 6, and the mouth thereof faces the downstream direction. Flue gases discharged from the boiler 3 through the injection duct 9 into the combustion air discharge duct 6 will consequently preferably flow in the direction of the arrows A.
  • Figure 2 also shows that the air supply duct 4 is connected by means of a transition part 12 to the combustion air discharge duct 6.
  • a valve 13 is disposed in this transition part 12. It is shown in the open position in Figure 2.
  • the valve 13 consists of two halves of a circular disc. These halves are pivotable in opposite directions about a central common hinge pin 14. In the open position shown, the disc halves face each other. In the closed position of the valve 13 (not shown) the disc halves lie in line with each other, and define a complete, circular shut-off disc.
  • the shape of said shut-off disc is adapted to the cylindrical inside wall of the transition part 12, and rests against a peripheral flange (not visible) running all the way round and projecting inwards radially from the inside wall of the transition part 12, in order to provide a good fluid seal between the air supply duct 4 and the combustion air discharge duct 6.
  • a spring (not shown) tries to hold the valve 13 in the closed position.
  • Figures 3a and 3b show alternative embodiments of the invention, in which both the air supply duct 4 and the combustion air discharge duct 6 open out at the side of the chimney 7.
  • the air supply duct 4 concentrically surrounds the combustion air discharge duct 6, with spaces between them.
  • the air supply duct 4 runs on past the combustion air discharge duct 6.
  • the respective end of the duct 4 is shut off, as shown.
  • Air comes out of the supply duct 4 through the connecting stub 5 into the boiler 3 through a stub 16 which is also surrounded concentrically by the air supply duct 4, with a space between them.
  • the stub 16 is connected to the combustion air discharge duct 6 by way of the transition part 12, in which a shut-off valve 13 is housed.
  • FIGs 3a and 3b show the valves 13 in the open position. These valves are of the same type as those in Figure 2.
  • an injection duct 9 runs from the boiler 3 into the combustion air discharge duct 6. As in Figure 2, this injection duct 9 has a constriction for increasing the discharge rate of the combustion air.
  • the injection duct 9 opens out downstream of the transition part 12 in the combustion air discharge duct 6.
  • the combustion gases discharged through the injection duct 9 into the combustion air discharge duct 6 have a direction of flow which forms an acute angle with the lengthwise direction of the combustion air discharge duct 6.
  • Figure 4 shows a further variant of the invention.
  • the duct 4 surrounds the duct 6 concentrically, with a space between them.
  • the ducts 4 and 6 run vertically and, for example, project through a roof and open out above it.
  • Figures 1 and 2 of the earlier mentioned EP-A-0491444 shows in greater detail how the air supply duct and combustion air discharge duct running concentrically inside one another project through the roof of a building.
  • the lengthwise direction of the injection duct 9 runs parallel to the lengthwise direction of the combustion air discharge duct 6.
  • the air supply duct 4 opens out into a box 17. This box 17 surrounds the duct 6 and is also connected to the connecting stub 5 for connection to the boiler 3.
  • the injection duct 9 is constricted for the purpose of accelerating the flue gases which are to be discharged into the duct 6.
  • the transition part 12 is accommodated in the box 17.
  • the valve 13 is shown in the fully open position.
  • the injection duct 9 opens out downstream of the transition part 12 into the duct 6.
  • Figures 5a and 5b show variants of Figure 4.
  • the boiler 3 is left out.
  • the position of the box 17 is shown only in imaginary fashion in Figure 5a.
  • said box 17 is not necessary.
  • the lengthwise direction of the injection duct 9 runs parallel to the lengthwise direction of the duct 6.
  • the injection duct 9 is constricted at 18.
  • a part of the injection duct 9 runs at an angle relative to the lengthwise direction of the duct 6.
  • the valve 13 is shown in the open position in both Figures 5a and 5b.
  • Figures 6 and 7 show yet another variant.
  • Air supply duct 4 and combustion air discharge duct 6 which run at a distance from each other are shown. They can be installed vertically for use as a variant of Figure 4, but they can also be installed horizontally for use as a variant of Figures 1 to 3.
  • the ducts 4 and 6 can be connected by what is the underside in the drawing to a combustion boiler (not shown). Further upwards, the ducts 4 and 6 can continue to run parallel to each other and at a distance from each other. However, they can pass by way of a conventional transition piece into an arrangement in which they surround each other coaxially, and in which the air supply duct 4 surrounds the combustion air discharge duct 6, for example with space between them.
  • the air supply duct 4 is connected by way of a transition piece 12 to the combustion air discharge duct 6.
  • a valve 13 is fitted in the transition part 12. Said valve 13 is shown in the closed position in Figure 6. In Figure 7 the valve 13 is partially open, against the action of a release spring (not shown).
  • the valve 13 used here corresponds to that shown in, inter alia, Figures 2 and 4.
  • An injection duct projects from the bottom in the drawing into the combustion air discharge duct 6, which injection duct forms the continuation of the combustion air discharge duct 6 to the boiler (not shown).
  • Said injection duct 9 is constricted in the region of the transition part 12, and opens out into the combustion air discharge duct 6 downstream of the transition part 12.
  • an air scoop or air shaft 15 Fixed at what is the underside of the transition part 12 in the drawing, at the side of the air supply duct 4, is an air scoop or air shaft 15, which projects into the air supply duct 4 and runs slanting in an upstream direction. Said air scoop 15 makes an additional contribution towards counteracting the pressure increase forming in the air supply duct 4.
  • the air shaft 15 and/or the injection duct 9 may also be left out, in which case equalization of pressure is still possible by means of valve 13.
  • the assembly of air supply duct 4, combustion air discharge duct 6 and transition part 12 according to Figures 6 and 7 is expediently achieved by two T-shaped lengths of pipe or tube which are inserted into each other, as shown, and are connected to each other in a gastight manner by means of a sealing ring 16.
  • annular part 17 is also inserted into the inner tube part of the tube parts of the transition part 12 inserted into each other, to which annular part the valve 13 is hingedly connected.
  • the annular part 17 with the valve 13, the release spring (not shown) therefor and the hinge 14 thereof form a sub-assembly.
  • Other embodiments, including those shown in the remaining Figures 1 to 5, can also be provided with an air shaft 15 projecting into the air supply duct 4.
  • the injection duct 9 opens out into the duct 6 downstream of the valve 13, and thus the transition part 12. It is also ensured in each case that the flue gases discharged from the injection duct 9 into the combustion air discharge duct 6 have a velocity component which is directed in the direction of flow through the combustion air discharge duct 6. Combined with the valve 13, this consequently ensures in a particularly reliable way that flue gases are prevented from passing at any time out of the duct 6 into the air supply duct 4.
  • the valve 13 may be of any suitable shape which is conceivable for a shut-off element. Other tube shapes instead of a circular cross-section may also be selected for the various duct and tube elements. In addition, all combinations of the details shown in the figures are possible. Moreover, it is not necessary for the injection duct 9 to have a constriction. Furthermore, it is not necessary in all circumstances for the injection duct 9 to run over some distance inside the combustion air discharge duct 6. For example, in the embodiment shown in Figure 2 the injection duct 9 can end at the dotted line 20.
  • the transition part 12 can be an integral part of, for example, the combustion air discharge duct 6 or the air supply duct 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Air Supply (AREA)
EP95201404A 1994-06-03 1995-05-30 Dispositif combiné d'admission d'air et d'échappement de fumées pour appareils de combustion étanches Withdrawn EP0685689A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9400908 1994-06-03
NL9400908A NL9400908A (nl) 1994-06-03 1994-06-03 Systeem van luchttoevoerkanaal en verbrandingsluchtafvoerkanaal in combinatie met een verbrandingshaard van het in hoofdzaak gesloten type.

Publications (1)

Publication Number Publication Date
EP0685689A1 true EP0685689A1 (fr) 1995-12-06

Family

ID=19864268

Family Applications (1)

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EP95201404A Withdrawn EP0685689A1 (fr) 1994-06-03 1995-05-30 Dispositif combiné d'admission d'air et d'échappement de fumées pour appareils de combustion étanches

Country Status (2)

Country Link
EP (1) EP0685689A1 (fr)
NL (1) NL9400908A (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0927855A1 (fr) * 1998-01-05 1999-07-07 Gaz De France (Service National) Procédé de fonctionnement d'un appareil de production de chaleur à mélange de gaz, et appareil pour la mise en oeuvre de ce procédé
NL1011129C2 (nl) * 1999-01-26 2000-07-27 Ind En Handelmaatschappij Berg Werkwijze voor het aanpassen van een rookgaskanaal.
NL1014614C2 (nl) * 2000-02-11 2001-08-14 Gastec Nv Kanaalsysteem, in het bijzonder voor hoog-rendement ketels, werkwijze voor het behandelen van een bestaand kanaalsysteem en een kanaal voor het afvoeren van verbrandingsgassen.
NL1014358C2 (nl) * 2000-02-11 2001-08-14 Gastec Nv Kanaalsysteem, in het bijzonder voor hoog-rendement ketels.
NL1018539C2 (nl) * 2000-07-15 2002-12-10 Bosch Gmbh Robert Verdeelsysteem voor een woning met gasaangedreven warmtegenerator en een ventilatie-inrichting.
EP2439450A1 (fr) * 2010-10-07 2012-04-11 Gdf Suez Appareil de combustion non étanche à gaz, à sécurité accrue
EP2463580A1 (fr) * 2010-12-08 2012-06-13 Borhite bvba Dispositif de canal pour deux chauffages ou plus de type fermé

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7066170B1 (en) 2000-10-31 2006-06-27 Travis Industries, Inc. Apparatuses and methods for balancing combustion air and exhaust gas for use with a direct-vent heater appliance

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2550318A1 (fr) * 1983-08-04 1985-02-08 Gaz De France Chaudiere a gaz a condensation raccordee a une installation de ventilation mecanique controlee et a debit de refoulement controle
EP0235092A1 (fr) * 1986-02-04 1987-09-02 FERROLI INDUSTRIE RISCALDAMENTO S.p.A. Dispositif régulant le débit d'air de combustion pour un générateur de chauffage muni d'un brûleur atmosphérique à gaz dans une chambre étanche
EP0418976A1 (fr) * 1989-09-21 1991-03-27 Ubbink B.V. Cheminée
EP0491444A1 (fr) 1990-12-17 1992-06-24 Burgerhout B.V. Dispositif combiné d'admission d'air de combustion et d'échappement de fumées
DE9401894U1 (de) * 1993-02-08 1994-03-24 Vaillant Joh Gmbh & Co Heizgerät

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2550318A1 (fr) * 1983-08-04 1985-02-08 Gaz De France Chaudiere a gaz a condensation raccordee a une installation de ventilation mecanique controlee et a debit de refoulement controle
EP0235092A1 (fr) * 1986-02-04 1987-09-02 FERROLI INDUSTRIE RISCALDAMENTO S.p.A. Dispositif régulant le débit d'air de combustion pour un générateur de chauffage muni d'un brûleur atmosphérique à gaz dans une chambre étanche
EP0418976A1 (fr) * 1989-09-21 1991-03-27 Ubbink B.V. Cheminée
EP0491444A1 (fr) 1990-12-17 1992-06-24 Burgerhout B.V. Dispositif combiné d'admission d'air de combustion et d'échappement de fumées
DE9401894U1 (de) * 1993-02-08 1994-03-24 Vaillant Joh Gmbh & Co Heizgerät

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0927855A1 (fr) * 1998-01-05 1999-07-07 Gaz De France (Service National) Procédé de fonctionnement d'un appareil de production de chaleur à mélange de gaz, et appareil pour la mise en oeuvre de ce procédé
FR2773389A1 (fr) * 1998-01-05 1999-07-09 Gaz De France Procede de fonctionnement d'un appareil de production de chaleur a melange de gaz, et appareil pour la mise en oeuvre de ce procede
NL1011129C2 (nl) * 1999-01-26 2000-07-27 Ind En Handelmaatschappij Berg Werkwijze voor het aanpassen van een rookgaskanaal.
NL1014614C2 (nl) * 2000-02-11 2001-08-14 Gastec Nv Kanaalsysteem, in het bijzonder voor hoog-rendement ketels, werkwijze voor het behandelen van een bestaand kanaalsysteem en een kanaal voor het afvoeren van verbrandingsgassen.
NL1014358C2 (nl) * 2000-02-11 2001-08-14 Gastec Nv Kanaalsysteem, in het bijzonder voor hoog-rendement ketels.
EP1124098A1 (fr) * 2000-02-11 2001-08-16 Gastec N.V. Système de conduit, particulièrement pour chaudières haut-rendement, procédé pour le traitement d'un système de conduit existant et conduit de gaz brulés
NL1018539C2 (nl) * 2000-07-15 2002-12-10 Bosch Gmbh Robert Verdeelsysteem voor een woning met gasaangedreven warmtegenerator en een ventilatie-inrichting.
EP2439450A1 (fr) * 2010-10-07 2012-04-11 Gdf Suez Appareil de combustion non étanche à gaz, à sécurité accrue
FR2965895A1 (fr) * 2010-10-07 2012-04-13 Gdf Suez Appareil de combustion non etanche a gaz, a securite accrue
EP2463580A1 (fr) * 2010-12-08 2012-06-13 Borhite bvba Dispositif de canal pour deux chauffages ou plus de type fermé
BE1019487A3 (nl) * 2010-12-08 2012-07-03 Borhite Een kanaalinrichting voor twee of meer verwarmingstoestellen van het gesloten type.

Also Published As

Publication number Publication date
NL9400908A (nl) 1996-01-02

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