FR2472721A1 - CALORIE RECOVERY DEVICE IN OPEN HOUSE FIREPLACES - Google Patents
CALORIE RECOVERY DEVICE IN OPEN HOUSE FIREPLACES Download PDFInfo
- Publication number
- FR2472721A1 FR2472721A1 FR7929619A FR7929619A FR2472721A1 FR 2472721 A1 FR2472721 A1 FR 2472721A1 FR 7929619 A FR7929619 A FR 7929619A FR 7929619 A FR7929619 A FR 7929619A FR 2472721 A1 FR2472721 A1 FR 2472721A1
- Authority
- FR
- France
- Prior art keywords
- pipes
- air
- tubes
- plate
- space
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
- F24B1/00—Stoves or ranges
- F24B1/18—Stoves with open fires, e.g. fireplaces
- F24B1/185—Stoves with open fires, e.g. fireplaces with air-handling means, heat exchange means, or additional provisions for convection heating ; Controlling combustion
- F24B1/188—Stoves with open fires, e.g. fireplaces with air-handling means, heat exchange means, or additional provisions for convection heating ; Controlling combustion characterised by use of heat exchange means , e.g. using a particular heat exchange medium, e.g. oil, gas
- F24B1/1885—Stoves with open fires, e.g. fireplaces with air-handling means, heat exchange means, or additional provisions for convection heating ; Controlling combustion characterised by use of heat exchange means , e.g. using a particular heat exchange medium, e.g. oil, gas the heat exchange medium being air only
- F24B1/1886—Stoves with open fires, e.g. fireplaces with air-handling means, heat exchange means, or additional provisions for convection heating ; Controlling combustion characterised by use of heat exchange means , e.g. using a particular heat exchange medium, e.g. oil, gas the heat exchange medium being air only the heat exchanger comprising only tubular air ducts within the fire
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Solid-Fuel Combustion (AREA)
- Incineration Of Waste (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
Description
La présente invention concerne un dispositif de chauffage à airThe present invention relates to an air heater
chaud associé à une cheminée à foyer ouvert. hot associated with an open fireplace.
Des dispositifs de récupération de calories dans les cheminées Calorie recovery devices in fireplaces
à foyer ouvert pour chauffer de l'eau ou de l'air sont déjà connus. open fire to heat water or air are already known.
A titre d'exemples, parmi les dispositifs connus de chauffage d'air, on peut citer ceux qui sont décrits dans les brevets français publiés sous les NI: 2 270 527, 2 273 238 et 2 341 821. Ces dispositifs se composent tous d'une enceinte qui entoure le foyer et dans laquelle l'air à chauffer circule, la paroi de l'enceinte adjacente au foyer étant chauffée par les flammes et la fumée et servant à chauffer l'air By way of examples, among the known air-heating devices, mention may be made of those which are described in the French patents published under the NI: 2 270 527, 2 273 238 and 2 341 821. These devices all consist of an enclosure which surrounds the hearth and in which the air to be heated circulates, the wall of the enclosure adjacent to the hearth being heated by flames and smoke and serving to heat the air
circulant dans l'enceinte. Or il est connu que la température des flam- circulating in the enclosure. However, it is known that the temperature of flames
mes décroît très rapidement en s'éloignant de la surface du combustible et que la température de la fumée décroît également rapidement en se mélangeant avec l'air en excès passant dans la cheminée sans participer à la combustion. En particulier, le haut de la plaque de fond d'une it decays very rapidly away from the fuel surface and the temperature of the smoke also decreases rapidly by mixing with the excess air passing through the chimney without participating in the combustion. In particular, the top of the bottom plate of a
cheminée ne permet pas de réchauffer l'air au-delà de 600 environ. fireplace does not allow to heat the air beyond about 600.
Un objet de la présente invention consiste à prévoir un disposi- An object of the present invention is to provide a device
tif permettant d'obtenir à la sortie d'air chaud des températures nette- tif to obtain hot air temperatures at the outlet of hot air
ment plus élevées.higher.
Suivant une caractéristique de l'invention, il est prévu un dispo- According to one characteristic of the invention, provision is made
sitif comprenant une enceinte ayant une face servant de plaque foyère et une face servant de plaque de fond, à travers laquelle circule de l'air à réchauffer, le dispositif comportant encore, à l'intérieur de l'enceinte, une pluralité de tuyaux débouchant en bas, à travers la face de fond, à la hauteur du bois et/ou des braises enflammés et, device comprising an enclosure having a face serving as a fired plate and a face serving as bottom plate, through which air to be heated is circulated, the device further comprising, inside the enclosure, a plurality of pipes leading to bottom, across the bottom face, at the height of the wood and / or burning embers and,
en haut, dans le conduit de fumée.at the top, in the flue.
Suivant une autre caractéristique, les tuyaux ont une section According to another characteristic, the pipes have a section
relativement faible pour ne pas laisser passer trop d'air ne partici- relatively small so as not to let too much air in.
pant pas à la combustion.not stick to burning.
Suivant une autre caractéristique, les départs inférieurs des According to another characteristic, the lower departures of
tuyaux sont répartis en hauteur.pipes are distributed in height.
Suivant une autre caractéristique, des moyens d'occultation sont prévus pour fermer sélectivement les départs de certains tuyaux à la demande. Les caractéristiques de l'invention mentionnées ci-dessus, ainsi According to another characteristic, concealment means are provided for selectively closing the outlets of certain pipes on demand. The features of the invention mentioned above, as well as
que d'autres, apparaîtront plus clairement à la lecture de la descrip- others will become clearer from the description of the
tion d'un exemple de réalisation, ladite description étant faite en an example embodiment, said description being made in
relation avec les dessins joints, parmi lesquels: la Fig. 1 est une vue en coupe d'une cheminée à foyer ouvert équipée d'un dispositif de chauffage d'air suivant l'invention, la Fig. 2 est une-vue de face de la cheminée de la Fig. 1, la Fig. 3 est une vue en coupe du dispositif de chauffage suivant la ligne III-III, et la Fig. 4 est dne vue de face d'un dispositif de sélection de relationship with the accompanying drawings, in which: FIG. 1 is a sectional view of an open hearth chimney equipped with an air heater according to the invention, FIG. 2 is a front view of the chimney of FIG. 1, FIG. 3 is a sectional view of the heater along line III-III, and FIG. 4 is seen from the front of a selection device of
tuyaux à ouvrir.pipes to open.
La cheminée à Boyer ouvert de la Fig. 1 comprend classiquement une plaque foyère 1 sur laquelle reposent des chenets 2 supportant des buches enflammées 3, un contre-feu 4, des jambages 5, un linteau The open Boyer chimney of FIG. 1 conventionally comprises a furnace plate 1 on which firedogs 2 supporting inflamed logs 3, a counter-fire 4, jambs 5, a lintel
6, une hotte 7 et un conduit de fumée 8. 6, a hood 7 and a flue 8.
Le contre-feu 4 est, en fait, la paroi avant d'une enceinte 9 qui a la forme d'un caisson à section verticale en forme de L, la base du L s'étendant sous au moins une partie de la plaque foyère 1 et la jambe du L montant jusqu'à la hotte 7. L'enceinte 9 comporte, en bas, une prise d'air 10 laissant entrer de l'air frais, pris à l'extérieur ou dans la pièce contenant la cheminée et, en haut, des sorties d'air The counter-fire 4 is, in fact, the front wall of an enclosure 9 which is in the form of a L-shaped vertical section box, the base of the L extending under at least a portion of the furnace plate. 1 and the leg of the L upright to the hood 7. The enclosure 9 has, at the bottom, an air intake 10 letting in fresh air, taken outside or in the room containing the chimney and , at the top, air outlets
11 délivrant l'air chauffé soit dans la même pièce, par exemple à tra- 11 delivering the heated air either in the same room, for example through
vers la hotte, soit dans une autre pièce. A cet effet, dans l'exemple décrit, la plaque supérieure 12 de l'enceinte 9 est percée de deux ouvertures 11 auxquelles sont raccordées des manches 13 débouchant to the hood, either in another room. For this purpose, in the example described, the upper plate 12 of the enclosure 9 is pierced with two openings 11 to which are connected sleeves 13 opening
sur les côtés de la hotte 7.on the sides of the hood 7.
Par ailleurs, dans la jambe du L de l'enceinte 9, sont prévus des tuyaux 14, dont l'orientation générale est verticale, dont les extrémités inférieures sont soudées en bas de la plaque contre-feu 4 et dont les extrémités supérieures sont soudées à la plaque 12. Les plaques 4 et 12 sont percées en face des tuyaux 14. Les tuyaux ont un Furthermore, in the leg of the L of the enclosure 9, there are provided pipes 14, whose general orientation is vertical, the lower ends of which are welded at the bottom of the counter-fire plate 4 and whose upper ends are welded. 12. The plates 4 and 12 are pierced in front of the pipes 14. The pipes have a
diamètre de l'ordre de 3 cm, par exemple. diameter of about 3 cm, for example.
Les tuyaux 14 forment des sortes de dérivations à section faible par rapport au foyer principal. Il en résulte tout d'abord que les gaz combustibles, en feu, émis par le bois, peuvent également monter en brûlant dans les tuyaux 14. C'est ce qui se passe en réalité comme le montre les flammes 15 s'engouffrant dans les ouvertures à la base de la The pipes 14 form a kind of branches with a small section compared to the main focus. As a result, firstly, the burning combustible gases emitted by the wood can also rise by burning in the pipes 14. This is actually the case as the flames 15 engulfing the openings at the base of the
plaque 4. Comme la quantité d'air admise dans chaque tuyau 14 est limi- plate 4. Since the amount of air admitted into each pipe 14 is limited
tée par la section étroite du tuyau, les gaz chauds montant dans chaque tuyau ne sont pas brassés avec un excès d'air froid ne participant pas à la combustion. Donc la température dans les tuyaux 14 est, pour la même altitude, plus forte que sur la plaque 4. Bien entendu, la plaque 4 transfert de la chaleur du foyer vers l'intérieur de l'enceinte 9, Through the narrow section of the pipe, the hot gases rising in each pipe are not mixed with an excess of cold air not participating in the combustion. Therefore, the temperature in the pipes 14 is, for the same altitude, higher than on the plate 4. Of course, the plate 4 transfers heat from the hearth towards the inside of the enclosure 9,
comme dans les dispositifs connus.as in the known devices.
Par ailleurs, le rapport de la surface d'un tuyau à son volume est maximal si bien que le transfert de la chaleur se fait vers l'air qui passe dans l'enceinte 9, avec une nettement meilleure efficacité que dans un dispositif ne comportant comme surface de transfert que Furthermore, the ratio of the surface of a pipe to its volume is maximum so that the heat transfer is to the air passing through the chamber 9, with a significantly better efficiency than in a device having no as a transfer surface that
la plaque 4 et la partie se trouvant sous la plaque foyère. the plate 4 and the part under the hearth plate.
L'expérience prouve que, parmi les tuyaux 14, ceux qui conduisent le mieux les flammes, sont ceux dont l'entrée se trouvent au niveau de la naissance des flammes du foyer. C'est pourquoi, comme le montre Experience shows that among the pipes 14, those which lead the flames the best, are those whose entrance are at the level of the birth of the flames of the hearth. That's why, as shown
la Fig. 2, on prévoit des entrées de tuyaux 14 à des hauteurs différen- FIG. 2, pipe entries 14 at different heights are provided.
tes et, comme le montre la Fig. 4, des plaques de fermeture coulissante 16, percées d'ouvertures 17 convenablement disposées, permettant de sélectionner les tuyaux 14 à ouvrir. Ces moyens permettent en fonction and as shown in Fig. 4, sliding closing plates 16, pierced with openings 17 suitably arranged, for selecting the pipes 14 to open. These means make it possible
de la hauteur du tas de b ches en flamme d'obtenir le meilleur rende- the height of the bunch of flames to obtain the best return
ment. La section de l'enceinte peut être relativement plate, tout en is lying. The section of the speaker can be relatively flat, while
permettant d'obtenir un débit d'air chaud suffisant. to obtain a sufficient hot air flow.
Dans sa partie supérieure, on peut prévoir, comme à la Fig. 1, pour l'enceinte 9, un retour vers le linteau 6 de manière à créer un In its upper part, it can be provided, as in FIG. 1, for the speaker 9, a return to the lintel 6 so as to create a
étranglement qui améliore le tirage de la cheminée. throttling that improves the draft of the chimney.
Claims (4)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7929619A FR2472721A1 (en) | 1979-11-27 | 1979-11-27 | CALORIE RECOVERY DEVICE IN OPEN HOUSE FIREPLACES |
EP80401668A EP0029783B1 (en) | 1979-11-27 | 1980-11-20 | Device for recovering calorific values in chimneys of open fires |
AT80401668T ATE12306T1 (en) | 1979-11-27 | 1980-11-20 | HEAT RECOVERY DEVICE FOR OPEN FIREPLACES. |
DE8080401668T DE3070342D1 (en) | 1979-11-27 | 1980-11-20 | Device for recovering calorific values in chimneys of open fires |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7929619A FR2472721A1 (en) | 1979-11-27 | 1979-11-27 | CALORIE RECOVERY DEVICE IN OPEN HOUSE FIREPLACES |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2472721A1 true FR2472721A1 (en) | 1981-07-03 |
FR2472721B1 FR2472721B1 (en) | 1984-06-22 |
Family
ID=9232307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7929619A Granted FR2472721A1 (en) | 1979-11-27 | 1979-11-27 | CALORIE RECOVERY DEVICE IN OPEN HOUSE FIREPLACES |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0029783B1 (en) |
AT (1) | ATE12306T1 (en) |
DE (1) | DE3070342D1 (en) |
FR (1) | FR2472721A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2510725A1 (en) * | 1981-02-26 | 1983-02-04 | Vergnes Jacques | Heat recuperator for fireplace - has vertical smoke tube heat exchanger and water tube fire-bars |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8215086U1 (en) * | 1981-06-15 | 1983-06-16 | Aeberhard, Hans, 8902 Urdorf | OPEN CHEMINEE WITH FIREPLACE AND A FIREPLACE MOUNTAINING THERE |
GB2213577A (en) * | 1987-12-11 | 1989-08-16 | Beaumont John L Ltd | Convection space heating arrangement for a flame effect gas fire |
FR2660052B1 (en) * | 1990-03-22 | 1996-07-12 | David Jean Pierre | PULSE AIR CHIMNEY BOILER AND THREE - WAY DRAWING USING A PARABOLIC FIREPLACE ROOM. |
FR3012576B1 (en) * | 2013-10-31 | 2019-03-29 | Jean-Michel Delage | BOILER-TYPE HEATING DEVICE AND METHOD OF OPERATION |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB116367A (en) * | 1917-06-14 | 1918-06-13 | William Wallace Wiltshire | Improvements in Domestic Fire Attachments for Heating Air. |
US2143772A (en) * | 1938-05-17 | 1939-01-10 | Hannula Gust | Heating unit for fireplaces |
GB732992A (en) * | 1952-10-17 | 1955-07-06 | Frantisek Hlavka | Improved heating stove |
US2832332A (en) * | 1953-12-22 | 1958-04-29 | Hugo C Johnson | Combination fireplace and furnace |
FR2294403A1 (en) * | 1974-12-12 | 1976-07-09 | Lambert Jean | Multiple heat exchanger appts. for wood fire - has ducts between hearth and hood with underfloor entry and discharge |
FR2327492A2 (en) * | 1975-10-07 | 1977-05-06 | Julie Clement | Solid fuel open fire - has insert in chimney to provide additional convective heating of room air by natural convection |
-
1979
- 1979-11-27 FR FR7929619A patent/FR2472721A1/en active Granted
-
1980
- 1980-11-20 DE DE8080401668T patent/DE3070342D1/en not_active Expired
- 1980-11-20 EP EP80401668A patent/EP0029783B1/en not_active Expired
- 1980-11-20 AT AT80401668T patent/ATE12306T1/en not_active IP Right Cessation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB116367A (en) * | 1917-06-14 | 1918-06-13 | William Wallace Wiltshire | Improvements in Domestic Fire Attachments for Heating Air. |
US2143772A (en) * | 1938-05-17 | 1939-01-10 | Hannula Gust | Heating unit for fireplaces |
GB732992A (en) * | 1952-10-17 | 1955-07-06 | Frantisek Hlavka | Improved heating stove |
US2832332A (en) * | 1953-12-22 | 1958-04-29 | Hugo C Johnson | Combination fireplace and furnace |
FR2294403A1 (en) * | 1974-12-12 | 1976-07-09 | Lambert Jean | Multiple heat exchanger appts. for wood fire - has ducts between hearth and hood with underfloor entry and discharge |
FR2327492A2 (en) * | 1975-10-07 | 1977-05-06 | Julie Clement | Solid fuel open fire - has insert in chimney to provide additional convective heating of room air by natural convection |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2510725A1 (en) * | 1981-02-26 | 1983-02-04 | Vergnes Jacques | Heat recuperator for fireplace - has vertical smoke tube heat exchanger and water tube fire-bars |
Also Published As
Publication number | Publication date |
---|---|
EP0029783B1 (en) | 1985-03-20 |
ATE12306T1 (en) | 1985-04-15 |
DE3070342D1 (en) | 1985-04-25 |
FR2472721B1 (en) | 1984-06-22 |
EP0029783A1 (en) | 1981-06-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |