EP0345683B1 - Chaudière de chauffage pour brûler des combustibles liquides ou gazeux - Google Patents

Chaudière de chauffage pour brûler des combustibles liquides ou gazeux Download PDF

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Publication number
EP0345683B1
EP0345683B1 EP89110107A EP89110107A EP0345683B1 EP 0345683 B1 EP0345683 B1 EP 0345683B1 EP 89110107 A EP89110107 A EP 89110107A EP 89110107 A EP89110107 A EP 89110107A EP 0345683 B1 EP0345683 B1 EP 0345683B1
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EP
European Patent Office
Prior art keywords
combustion chamber
wall
heating boiler
firing
chamber
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
Application number
EP89110107A
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German (de)
English (en)
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EP0345683A3 (en
EP0345683A2 (fr
Inventor
Hans Dr. Viessmann
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Individual
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Individual
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Priority to AT89110107T priority Critical patent/ATE68586T1/de
Publication of EP0345683A2 publication Critical patent/EP0345683A2/fr
Publication of EP0345683A3 publication Critical patent/EP0345683A3/de
Application granted granted Critical
Publication of EP0345683B1 publication Critical patent/EP0345683B1/fr
Anticipated expiration legal-status Critical
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
    • F24H1/24—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers
    • F24H1/26—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers the water mantle forming an integral body
    • F24H1/263—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers the water mantle forming an integral body with a dry-wall combustion chamber

Definitions

  • the invention relates to a boiler for the combustion of liquid or gaseous fuels according to the preamble of the main claim.
  • the longitudinal ribs which divide the ring-cylindrical heating gas flue into individual flues, can be provided in a variety of ways in the design of the combustion chamber. So it is known for the formation of the combustion chamber to produce this as an internally ribbed one-part or multi-part cast body. Furthermore, it is known to form the combustion chamber by means of extruded profiles, the longitudinal ribs of which are also formed during their manufacture.
  • Two other variants consist in the fact that appropriately adapted, internally ribbed cast rings are used in the cylindrical combustion chamber in a heat-conducting manner, or that a correspondingly large sheet metal blank is provided with a large number of folded longitudinal ribs, this blank is rounded cylindrical and inserted overall into the cylindrical combustion chamber and for a heat-conducting one Connection of the two layers ensures. Apart from this, you can of course also arrange angular profiles parallel to the axis and closely lined up on the inner wall of the combustion chamber.
  • the invention is therefore based on the object to improve heating boilers of the generic type and to find a compromise between "hot” and “cold” combustion chamber wall, ie to ensure from the boiler construction that there are no impermissibly high NOX values in the exhaust gas can adjust and with the proviso that the previous boiler design principle can be essentially maintained and also the combustion chamber in terms to optimally train their insertability and condensate-proof design.
  • the end edges of the longitudinal ribs are at least pre-machined so that all opposing rib end edges are at the same distance from one another, the combustion chamber divided into individual rings then being pushed in under compressed air to produce the thermal contact.
  • the division of the combustion chamber into at least two rings according to the invention is of particular importance, since it is easier to achieve the thermal contact in all areas than with a one-piece combustion chamber, individual rings are easier to insert by pressing in, no high demands have to be made on the processing of the longitudinal ribs and there is also the advantage for those at risk of condensation Area of the combustion chamber pulled condensate-proof material for the ring can only be used in this area.
  • heating boilers of the generic type are double-layered for reasons of condensate safety with regard to the partition between the combustion chamber and the water-carrying interior of the boiler housing, the inner layer consisting of a correspondingly folded sheet metal blank, which, as it were, is rounded and forms an internal insert.
  • folding the ribs it is inevitable because the folds at the foot of the ribs cannot be made sharp-edged, that between the inner layer and the actual combustion chamber wall, gusset gaps arise, in the area of which the heat transfer is substantially reduced.
  • the boiler consists of a water-carrying housing 13 with a cylindrical combustion chamber 6, in which a pot-like combustion chamber 2 in the space between the end edges of the ring-cylindrical heating gas flue, which extends along the water-cooled combustion chamber wall 11 and is thermally conductively connected to this wall 14 in individual channels 14 'sliding longitudinal ribs 4 is arranged.
  • the wall 1 of the combustion chamber 2 is selectively connected in a heat-conducting manner to the end edges 3 of the longitudinal ribs 4, as can be seen from FIGS. 2, 3.
  • the end edges 3 of the longitudinal ribs 4 are machined, for which the longitudinal ribs at their end edges 3 are overturned, for example, in order to ensure that all opposing ones Rib end edges 3 have the same distance D from one another, which ensures that the combustion chamber wall to be used can be brought into heat-conducting contact with these at all end edges 3.
  • the combustion chamber is formed for the reasons mentioned in FIG. 6 from a plurality of rings 17 of the same width B, which correspond to the length L of the combustion chamber when strung together.
  • the rings 17 are provided on one side with a circumferential bend 18 pointing into the interior of the combustion chamber, which overlaps the crank-free edge 19 of the respective connecting ring.
  • the burner-side ring can, as shown, be combined in one part in a boiler construction according to FIG. 6 (vertical boiler with lintel burner chamber) with the wall 21 surrounding the burner area.
  • the strong division of the combustion chamber wall into, as shown, four rings 17 is not absolutely necessary, but in the exemplary embodiment is based on the fact that the inner shell 16 is also divided into four rings 15.
  • This division of the combustion chamber into several rings is particularly advantageous in view of the avoidability of high manufacturing accuracy of the rib support edges for the combustion chamber wall, because the combustion chamber sections can be introduced better and are also better brought to the ribs for heat-conducting contact.
  • the entire combustion chamber does not have to be formed from high-quality steel sheet if necessary, but can be limited to producing only the most condensate-prone ring 17 'from expensive stainless steel.
  • FIGS. 3-5 relate to a particular embodiment of such heating boilers in which the longitudinal ribs 4 are obtained by unfolding a corresponding sheet metal blank, the overall and corresponding Cylindrical rounded and made endless as an inner shell in the combustion chamber 6 is used to conduct heat to the combustion chamber wall 11.
  • 3-5 approximately correspond to the normal size of such rib designs, it is clear from this that not inconsiderable folding gussets arise between this inner shell 7 and the combustion chamber wall 11, which gussets 8 represent corresponding heat transfer barriers.
  • each rib fold 5 in the combustion chamber wall-side fold gusset 5 is one of them Gusset cross section arranged in cross section corresponding filling profile 9.
  • Relatively soft metallic material can be expediently and advantageously used in order to achieve the best possible filling of the gusset volume when the components are pressed together.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion Of Fluid Fuel (AREA)

Claims (6)

1. Chaudière de chauffage pour la combustion de combustibles liquides ou gazeux constituée par un bâti conducteur d'eau avec un foyer cylindrique dans lequel est placée une chambre de combustion dans l'espace libre entre les bords marginaux de nervures qui s'étendent le long de la paroi du foyer refroidie par eau au moins en partie sur la longueur du foyer et qui divisent le carneau de gaz de chauffage cylindrique en anneau en différents carneaux, caractérisée en ce que tous les bords marginaux des nervures (3) qui sont respectivement en face l'un de l'autre et qui sont usinés présentent la même distance (D) l'un par rapport à l'autre et que la paroi (1) de la chambre de combustion (2) à enfoncer, dont le diamtètre (D1) est un peu plus grand que la distance (D) entre les bords marginaux des nervures (3) qui sont usinés, est reliée en étant serrée à l'épreuve de la traction et en étant thermoconductrice à tous les bords marginaux usinés (3) des nervures longitudinales (4) et que la paroi (1) de la chambre de combustion (2) est formée par au moins deux anneaux (17) qui, à la file, correspondent à la longueur (L) de la chambre de combustion.
2. Chaudière de chauffage selon la revendication 1, caractérisée en ce qu'au moins l'anneau (17′) qui est placé le plus loin du brûleur (20) est formé en une matière résistante au produit de condensation, de préférence en tôle d'acier inoxydable.
3. Chaudière selon la revendication 1 ou 2, caractérisée en ce que les anneaux (17) sont pourvus sur un côté d'une coudure (18) périphérique qui est orientée vers l'intérieur de la chambre de combustion et qui recouvre le bord sans coudure (19) de l'anneau qui suit respectivement.
4. Chaudière selon l'une des revendications 1 à 3, les nervures longitudinales étant configurées comme des plissements (5) d'une coque intérieure (7) de forme adaptée, mise en place dans la foyer (6) cylindrique, caractérisée en ce qu'un profilé de remplissage (9), dont la section correspond à la section du gousset, est placée dans la gousset de plissement (8), situé sur le côté du foyer, de chaque plissement de nervure (5).
5. Chaudière selon l'une des revendications 1 à 3, les nervures longitudinales étant configurées comme des plissements (5) d'une coque intérieure (7) de forme adaptée, mise en place dans le foyer (6) cylindrique, caractérisée en ce qu'une masse de remplissage (10) thermoconductrice est placée dans la gousset de plissement (8), situé sur le côté du foyer, de chaque plissement de nervure (5).
6. Chaudière selon l'une des revendications 1 à 3, les nervures longitudinales étant configurées comme des plissements (5) d'une coque intérieure (7) de forme adaptée, mise en place dans le foyer (6) cylindrique, caractérisée en ce que la paroi de foyer (11) est configurée en étant pressée dans le gousset (8) en étant moulée sur la coque intérieure (7) dans la zone (12) des goussets de plissement (8), situés sur le côté du foyer, de chaque plissement de nervure (5).
EP89110107A 1988-06-04 1989-06-04 Chaudière de chauffage pour brûler des combustibles liquides ou gazeux Expired - Lifetime EP0345683B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89110107T ATE68586T1 (de) 1988-06-04 1989-06-04 Heizungskessel fuer die verbrennung fluessiger oder gasfoermiger brennstoffe.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3819072 1988-06-04
DE3819072 1988-06-04
DE3831238 1988-09-14
DE3831238 1988-09-14

Publications (3)

Publication Number Publication Date
EP0345683A2 EP0345683A2 (fr) 1989-12-13
EP0345683A3 EP0345683A3 (en) 1990-12-12
EP0345683B1 true EP0345683B1 (fr) 1991-10-16

Family

ID=25868818

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89110107A Expired - Lifetime EP0345683B1 (fr) 1988-06-04 1989-06-04 Chaudière de chauffage pour brûler des combustibles liquides ou gazeux

Country Status (2)

Country Link
EP (1) EP0345683B1 (fr)
DE (1) DE58900373D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU187963U1 (ru) * 2018-11-27 2019-03-26 Федеральное государственное бюджетное образовательное учреждение высшего образования "Омский государственный технический университет" (ОмГТУ) Вакуумный жаротрубный котел

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT406518B (de) * 1994-12-21 2000-06-26 Vaillant Gmbh Heizkessel
RU171812U1 (ru) * 2016-03-24 2017-06-16 Вячеслав Григорьевич Гоман Котел наружного размещения

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE458680A (fr) *
CH646773A5 (de) * 1979-02-19 1984-12-14 Viessmann Hans Heizungskessel fuer fluessige oder gasfoermige brennstoffe.
DE8531100U1 (de) * 1985-11-04 1987-10-29 Vießmann, Hans, Dr.h.c., 3559 Battenberg Heizgaszugrohr
DE3612908A1 (de) * 1986-04-17 1987-10-22 Viessmann Hans Heizkessel
DE3612909A1 (de) * 1986-04-17 1987-10-22 Viessmann Hans Heizkessel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU187963U1 (ru) * 2018-11-27 2019-03-26 Федеральное государственное бюджетное образовательное учреждение высшего образования "Омский государственный технический университет" (ОмГТУ) Вакуумный жаротрубный котел

Also Published As

Publication number Publication date
EP0345683A3 (en) 1990-12-12
EP0345683A2 (fr) 1989-12-13
DE58900373D1 (de) 1991-11-21

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