EP0535331B1 - Chaudière - Google Patents

Chaudière Download PDF

Info

Publication number
EP0535331B1
EP0535331B1 EP92113399A EP92113399A EP0535331B1 EP 0535331 B1 EP0535331 B1 EP 0535331B1 EP 92113399 A EP92113399 A EP 92113399A EP 92113399 A EP92113399 A EP 92113399A EP 0535331 B1 EP0535331 B1 EP 0535331B1
Authority
EP
European Patent Office
Prior art keywords
exhaust gas
waste gas
heating boiler
combustion chamber
opening
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
EP92113399A
Other languages
German (de)
English (en)
Other versions
EP0535331A1 (fr
Inventor
Hans Dr. Viessmann
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.)
VIESSMANN, HANS, DR.
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0535331A1 publication Critical patent/EP0535331A1/fr
Application granted granted Critical
Publication of EP0535331B1 publication Critical patent/EP0535331B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • F24H1/28—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 including one or more furnace or fire tubes
    • F24H1/285—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 including one or more furnace or fire tubes with the fire tubes arranged alongside the combustion chamber

Definitions

  • the invention relates to a boiler for burning liquid or gaseous fuels according to the preamble of the main claim.
  • a boiler of the type mentioned is known from EP-A-0 431 314. With such a boiler, the task is solved to be able to provide exhaust gas recirculation with the simplest means and using the structural conditions of such boilers with the least possible design changes.
  • connection point between the exhaust gas recirculation pipe and the connection opening on the combustion chamber lock especially since such locks are usually swiveling boiler lock doors, i.e. the sealing of the connection point is difficult because of the pivotability, especially since the lock is no longer accessible when the fire lock is closed can.
  • the exhaust gas recirculation pipe cannot be connected with a "noble fit" and in view of thermal expansion of the exhaust gas recirculation pipe, a proper seal in all operating phases of the boiler is in question.
  • the invention is therefore based on the object to improve a boiler of the generic type in such a way that on the one hand the sealing of the mouth of the exhaust gas recirculation pipe is guaranteed in all operating states of the boiler and on the other hand the combustion chamber closure can be opened and closed without interference from the engaging exhaust gas recirculation pipe.
  • the training forms according to claims 3 and 4 are provided, which also define a predetermined adjustment path for the sealing ring.
  • the boiler consists of a water-carrying housing 1, in which a combustion chamber 3 equipped with burner 2 is arranged , from which a plurality of exhaust gas pipes 4 lead to the exhaust gas collection chamber 5, in which exhaust gas displacement bodies 6 are arranged, of which at least in one of the exhaust gas intake pipes 4 the exhaust gas displacement body 6 is designed as an exhaust gas recirculation pipe 20, which opens out towards the exhaust gas collection chamber 5 and whose other end 8 is connected to one Connection opening of the combustion chamber closure 10 provided with a heat insulation body 19 is connected and from there is connected to the burner 2.
  • connection opening designed as an engagement opening 9 is dimensioned larger in cross section than the exhaust gas recirculation pipe 20 and that an axially and elastically adjustable sealing ring 21 is arranged in the engagement opening 9, which is guided on the wall of the engagement opening 9, and which is in the closed position of the combustion chamber closure 10 at the end 8 of the exhaust gas pipe 20.
  • the possible displacement positions of the sealing ring 21 are indicated by dashed lines in FIG. 2.
  • the engagement opening 9 is provided with an outer guide sleeve 23 for the sealing ring 21; a compression spring 25 is arranged between the latter and an abutment 24 on the outer guide sleeve 23.
  • the sealing ring 21 is firmly seated on the inflow-side end of a displaceable inner guide sleeve 26, which is provided on the outflow-side end with a stop 27 for the abutment 24.
  • the sealing ring 21 is mounted in a profile ring 28 which is arranged on the inner guide sleeve 26 and is rectangular in cross section and is guided with its axially oriented leg 29 in the outer guide sleeve 23.
  • the outer guide sleeve 23 is formed at its firebox end in the form of a funnel 30, the actual dimensions of which depend on the actual depth of engagement, the The radius of the combustion chamber closure and the outer diameter of the exhaust gas recirculation pipe 20 must be directed.
  • the outer guide sleeve 23 is formed in two parts, and between the two sleeve parts 23 ', 23 ⁇ , the abutment 24 in the form of a ring 31 comprising the inner guide sleeve 26 is attached in a fold 22.
  • the fold 22 shown of the sleeve part 23 'does not have to be a circumferential ring fold for receiving the ring 31, but instead, for example, also simple bendable extensions are sufficient.
  • the stop 27 of the inner sleeve 26 can be designed in the form of extension tabs, so that the inner sleeve 26, with the ring 31 already inserted and then provided with corresponding flag penetration recesses, together with the compression spring 25, the sealing ring 21 and the sleeve part 23 'from the inside of the Combustion chamber closure 10 can be inserted, after which a recess 32 provided for this purpose in the heat insulating body 19 is filled with a soft insulation pack 19 '.
  • the soft insulation packing 19 'in connection with a relatively low radial displaceability of the sealing ring 21 in the fold 22 and also the funnel shape of the end of the sleeve part 23' is of particular importance than when the relevant parts, apart from the axial displaceability of the sealing ring 21, can to a certain extent automatically adjust themselves to their correct assignment.
  • the entire sealing device thus adjusts with its sealing ring 21 not only axially to the position of the end 8 of the stationary exhaust gas recirculation pipe 20, but is also 'radially' floating to the sleeve part 23 'in the combustion chamber closure 10 and is pressed also thanks to the funnel 30 in case of inaccuracies in fit and when closing the combustion chamber closure automatically in the correct position, so that the seal is always guaranteed.

Landscapes

  • 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)
  • Gas Burners (AREA)

Claims (8)

  1. Chaudière de chauffage destinée à la combustion de combustibles liquides ou gazeux, constituée d'une enceinte de circulation d'eau (1), dans laquelle est disposé un foyer (3) qui est équipé d'un brûleur (2) et duquel plusieurs tuyaux de sortie de gaz brûlés (4) partent vers une chambre collectrice de gaz brûlés (5), dans lesdits tuyaux de sortie de gaz brûlés étant disposés des corps de refoulement de gaz brûlés (6) parmi lesquels, au moins dans l'un des tuyaux de sortie de gaz brûlés (4), le corps de refoulement de gaz brûlés (6) est conçu sous la forme d'un tuyau de retour de gaz brûlés (20) qui débouche de manière ouverte dans la chambre collectrice de gaz brûlés (5) et dont l'autre extrémité (8) est raccordée à une ouverture de raccordement du moyen -de fermeture de foyer (10) muni d'un corps d'isolation thermique (19) et, de là, est reliée au brûleur (2), caractérisée en ce que l'ouverture de raccordement conçue sous la forme d'une ouverture réceptrice (9) présente une section transversale plus grande que le tuyau de retour de gaz brûlés (20), et en ce que, dans l'ouverture réceptrice (9), est disposé un anneau d'étanchéité (21) qui peut se déplacer axialement et élastiquement, qui est guidé contre la paroi de l'ouverture réceptrice (9) et qui, lorsque le moyen de fermeture de foyer (10) est en position fermée, est appliqué contre l'extrémité (8) du tuyau de retour de gaz brûlés (20).
  2. Chaudière de chauffage selon la revendication 1, caractérisée en ce que, dans l'ouverture réceptrice (9), est disposé un manchon extérieur de guidage (23) pour l'anneau d'étanchéité (21) et, entre ce dernier et un contre-appui (24) situé sur le manchon de guidage (23), est disposé un ressort de pression (25).
  3. Chaudière de chauffage selon la revendication 1 ou 2, caractérisée en ce que l'anneau d'étanchéité (21) est monté à l'extrémité d'entrée d'un manchon intérieur de guidage (26) et ce dernier est muni, à son extrémité de sortie, d'une butée (27) pour le contre-appui (24).
  4. Chaudière de chauffage selon l'une des revendications 1 à 3, caractérisée en ce que l'anneau d'étanchéité (21) est logé dans un anneau profilé (28) à section transversale rectangulaire qui est disposé contre le manchon intérieur de guidage (26) et qui est guidé dans le manchon extérieur de guidage (23) par sa branche (29) orientée axialement.
  5. Chaudière de chauffage selon l'une des revendications 1 à 4, caractérisée en ce que le manchon extérieur de guidage (23) se présente sous la forme d'un entonnoir (30) à son extrémité située côté foyer.
  6. Chaudière de chauffage selon l'une des revendications 1 à 5, caractérisée en ce que le manchon extérieur de guidage (23) est conçu en deux parties, et le contre-appui (24) est disposé et conçu, entre les deux parties de manchon (23′, 23˝), sous la forme d'un anneau (31) entourant le manchon intérieur de guidage (26).
  7. Chaudière de chauffage selon la revendication 6, caractérisée en ce que la partie de manchon (23˝) située côté foyer est disposée dans une garniture isolante molle séparée (19′) qui est logée dans un évidement (32) de dimensions appropriées du corps d'isolation thermique (19).
  8. Chaudière de chauffage selon les revendications 6 et 7, caractérisée en ce que l'anneau (31) est monté avec possibilité de déplacement radial.
EP92113399A 1991-09-28 1992-08-06 Chaudière Expired - Lifetime EP0535331B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4132435 1991-09-28
DE4132435A DE4132435C1 (fr) 1991-09-28 1991-09-28

Publications (2)

Publication Number Publication Date
EP0535331A1 EP0535331A1 (fr) 1993-04-07
EP0535331B1 true EP0535331B1 (fr) 1994-06-15

Family

ID=6441754

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92113399A Expired - Lifetime EP0535331B1 (fr) 1991-09-28 1992-08-06 Chaudière

Country Status (3)

Country Link
EP (1) EP0535331B1 (fr)
AT (1) ATE107406T1 (fr)
DE (1) DE4132435C1 (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1199559B (de) * 1961-07-21 1965-08-26 Steinmueller Gmbh L & C Ausgleicher fuer Rohrleitungen
DE3940165C1 (fr) * 1989-12-05 1991-04-18 Viessmann Werke Gmbh & Co, 3559 Allendorf, De

Also Published As

Publication number Publication date
DE4132435C1 (fr) 1993-04-22
EP0535331A1 (fr) 1993-04-07
ATE107406T1 (de) 1994-07-15

Similar Documents

Publication Publication Date Title
DE2721893A1 (de) Heizkessel zum verbrennen von fluessigen oder gasfoermigen brennstoffen
DE102006009335A1 (de) Heizkessel, insbesondere für Bio-Festbrennstoffe
EP0535331B1 (fr) Chaudière
DE3938090C1 (fr)
EP3396246B1 (fr) Système de gaz d'échappement avec système de points de mesure
DE2721895C3 (de) Stahlheizkessel für flüssige oder gasförmige Brennstoffe
DE102010046738B4 (de) Brennrost, Brennvorrichtung mit Brennrost, Baukasten zur Erstellung einer solchen Brennvorrichtung und Verfahren zum Betreiben der Brennvorrichtung
DE2814155A1 (de) Waermetauscher fuer verbrennungsanlagen
DE3403225A1 (de) Heizungskessel
DE9017790U1 (de) Heizkessel zum Verbrennen flüssiger oder gasförmiger Brennstoffe
AT401683B (de) Heizkessel zum verbrennen flüssiger oder gasförmiger brennstoffe
CH635189A5 (en) Heating boiler for burning liquid or gaseous fuels
DE9110224U1 (de) Rauchgasabzugsrohr
AT402105B (de) Dreizugheizkessel
DE2856062C3 (de) Heizungskessel für flüssige oder gasförmige Brennstoffe
DE3212349C2 (de) Niedertemperatur-Heizungskessel
EP0387584A2 (fr) Tuyau de tirage pour gaz de chauffage
DE3940165C1 (fr)
LU85997A1 (de) Heizungskessel fuer fluessige oder gasfoermige brennstoffe
DE2948864A1 (de) Heizungskessel fuer die verbrennung von fluessigen oder gasfoermigen brennstoffen
DE9106462U1 (de) Rauchgasabzugsrohr
DE9101553U1 (de) Rauchgasabzugsrohr
DE1153503B (de) OElbefeuertes Waermegeraet, insbesondere Heizofen, mit Schalenbrennerfeuerung
DE9106654U1 (de) Heizkessel
DE29515560U1 (de) Dreizugheizkessel

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: A1

Designated state(s): AT CH FR IT LI NL

17P Request for examination filed

Effective date: 19930226

17Q First examination report despatched

Effective date: 19931029

ITF It: translation for a ep patent filed

Owner name: STUDIO MASSARI S.R.L.

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: VIESSMANN, HANS, DR.

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT CH FR IT LI NL

REF Corresponds to:

Ref document number: 107406

Country of ref document: AT

Date of ref document: 19940715

Kind code of ref document: T

ET Fr: translation filed
ITTA It: last paid annual fee
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: 19980825

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: 19980826

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 19980831

Year of fee payment: 7

Ref country code: AT

Payment date: 19980831

Year of fee payment: 7

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19990806

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: 19990831

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19990831

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000301

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: 20000428

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee

Effective date: 20000301

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: 20050806