EP2250448A1 - Chaudière à compartiments en fonte de fer ou en aluminium - Google Patents

Chaudière à compartiments en fonte de fer ou en aluminium

Info

Publication number
EP2250448A1
EP2250448A1 EP09717341A EP09717341A EP2250448A1 EP 2250448 A1 EP2250448 A1 EP 2250448A1 EP 09717341 A EP09717341 A EP 09717341A EP 09717341 A EP09717341 A EP 09717341A EP 2250448 A1 EP2250448 A1 EP 2250448A1
Authority
EP
European Patent Office
Prior art keywords
boiler according
sectional boiler
annular
members
sectional
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
Application number
EP09717341A
Other languages
German (de)
English (en)
Other versions
EP2250448B1 (fr
Inventor
Rainer Rausch
Gerhard Jung
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2250448A1 publication Critical patent/EP2250448A1/fr
Application granted granted Critical
Publication of EP2250448B1 publication Critical patent/EP2250448B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F24H1/30—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 being built up from sections
    • F24H1/32—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 being built up from sections with vertical sections arranged side by side

Definitions

  • the invention relates to a sectional boiler made of cast iron or aluminum, in particular a condensing boiler, according to the preamble of claim 1.
  • Such sectional boiler consist of several integrally cast boiler members, which are arranged one behind the other and water side connected by hubs.
  • the water channels and water pockets formed by the boiler members are flowed through between the return connection and the supply connection.
  • generic sectional heating boilers have a lower return connection and a top feed connection, preferably in the respective hub.
  • the hot gases flow from the combustion chamber via downstream hot gas flues to an exhaust gas outlet and release heat to the boiler water on their way.
  • the heat exchangers of conventional calorifiers are often made of cast iron. They are characterized by high robustness and long life. Their construction from mostly identical casting segments allows cost-effective production and easy scalability with regard to different output sizes and offers good mounting options even under tight installation conditions. The material endures the short exhaust gas condensation phases very well at startup and cold heat exchanger. Only for condensing operation with a prolonged build-up of condensation is cast iron in its present form and design not suitable.
  • the object of the invention is to optimize a sectional heating boiler made of cast iron or aluminum, in particular with regard to compactness and robustness.
  • the cast-iron or aluminum sectional heating boiler is characterized in that annular gaps are provided between two adjacent members as heating gas trains, which each run approximately radially outward from the combustion chamber and open into an exhaust gas collecting space on the outside of the members.
  • annular gaps are provided between two adjacent members as heating gas trains, which each run approximately radially outward from the combustion chamber and open into an exhaust gas collecting space on the outside of the members.
  • two adjacent links each have an associated geometry.
  • annular gap at right angles to the central axis of the combustion chamber extends radially and straight outwards.
  • an annular gap is radially curved and extends arcuately, similar to a turbine blade geometry, to the outside.
  • Inclined position to the central axis of the combustion chamber extends straight outward. This is particularly useful with a vertical arrangement of the entire block of links, because then condensate can drain all the way down from a gap. Furthermore, an annular gap in the radial direction can also run outwards in a wave-like manner, in particular in order to increase the flow turbulence within a gap, so that an intensive heat transfer is achieved on the surfaces.
  • the width and / or the free cross section of an annular gap decreases from the combustion chamber to the outlet on the outside of the links, - A -
  • the heating gas contacted surfaces of the members, at least the gap forming surfaces, may be provided with a corrosion protection coating.
  • the Abgassammeiraum on the outside of the members in which open the annular column, extends as a hollow cylinder around the outer lateral surfaces of the members and is bounded by a jacket to the outside. This is sealingly received between radially outwardly projecting annular webs on the outside of the front and rear member.
  • the two anchor rods for holding the link block are arranged inside the hubs.
  • a supply pipe arranged inside the hubs for return water and / or removal pipe for supply water can serve, if it is provided with corresponding threads for
  • the upper and lower hubs between the return and supply ports can be mutually closed, in which case closure means are attached to the anchor rods, feed tube and / or removal tube.
  • closure means are attached to the anchor rods, feed tube and / or removal tube.
  • At least two centering points or surfaces are provided on each member for maintaining an exact gap between two adjacent members, which images the raw casting dimensions and raw casting tolerances particularly well.
  • the thickness of the limb has a direct influence on the gap width between two limbs.
  • These centering points or surfaces are then decisive for the mechanical processing of the sealing or contact surfaces on the hubs, because it can be about the actual existing final dimension after the casting process at the crucial point determine and then on the processing according to the desired and individual set exactly the right nominal dimension.
  • a sectional boiler with the best suitability for condensing operation is created, in which the positive material properties of cast iron or aluminum are selectively applied and used to ensure good heat transfer properties, compactness and robustness. Corrosive loads are absorbed.
  • the anticorrosion coating itself is according to the invention not only easy to apply and control, but it is also protected in the columns from possible mechanical stress.
  • the sectional construction also offers the advantage of variably covering different lengths for different combustion and heat exchanger outputs by inserting further middle links. Nevertheless, then remain all front-mounted attachments and the water-side connections the same. Only the surrounding mantle around the exhaust collection chamber varies. Because of the low exhaust gas temperatures, this can even be made of plastic.
  • the drawing shows an embodiment of the invention. It shows a sectional boiler made of cast iron or aluminum:
  • FIG. 2 in a vertical longitudinal section through one half of the entire link block
  • Fig. 3 with an intermediate member in perspective view.
  • the sectional boiler consists essentially of annular members, namely a front member 1, a ceiling-shaped rear member 2 and a plurality of middle members 3. These form a combustion chamber 4 and the annular water chambers 5 are connected to each other via hubs 6, 6 'in connection.
  • each annular column 7 between two adjacent members 1, 2, 3 are provided, each extending from the combustion chamber 4 approximately radially outward and open into an exhaust gas collection chamber 8.
  • two adjacent links 1, 2, 3 each have an associated geometry. In the illustrated embodiment arise by the curvatures of the members 1, 2, 3 four radially curved, annular column. 7
  • the Abgassammeiraum 8 extends as a hollow cylinder to the outer lateral surfaces of the members 1, 2, 3 and is bounded by a jacket 9 to the outside, which between radially outwardly projecting annular webs 10 on the outer side of the front and rear member 1, 2 is recorded sealing.
  • Two anchor rods 11 for holding the link block are arranged within the hubs 6, 6 '.
  • This disc-like closure means 12 are fixed to the upper and lower hubs 6, 6 'to form a forced flow between see return and flow connection to close each other.
  • each member 1, 2, 3 for maintaining an exact gap between two adjacent links 1, 2, 3 three centering surfaces 13 of molded cam to accurately identify the respective present dimensions after the casting process and for the processing of the hub areas consulted.

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)
  • Details Of Fluid Heaters (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)

Abstract

La présente invention concerne une chaudière à compartiments en fonte de fer ou en aluminium, notamment une chaudière à condensation, comprenant des compartiments essentiellement annulaires, un compartiment avant (1), un compartiment arrière en forme de couvercle (2) et au moins un compartiment central (3) étant prévus et formant une chambre de chauffe (4) dotée de passages de gaz de chauffage essentiellement périphériques et dont les chambres d'eau annulaires (5) sont reliées les unes aux autres par des moyeux (6, 6'). La chaudière selon l'invention comprend également un raccord de canalisation de retour inférieur et un raccord de canalisation montante supérieur, ainsi qu'au moins deux boulons d'ancrage (11) pour maintenir le bloc des compartiments. Le but de l'invention est d'optimiser une chaudière à compartiments en fonte de fer ou en aluminium, notamment au niveau de son caractère robuste et compact. L'invention se caractérise en ce que des fentes annulaires (7) servent respectivement de passages de gaz de chauffage entre deux compartiments voisins (1, 2, 3) qui s'étendent respectivement assez radialement vers l'extérieur en partant de la chambre de chauffe et qui débouchent dans une chambre de collecte des gaz d'échappement sur le côté extérieur des compartiments.
EP09717341.3A 2008-03-07 2009-02-24 Chaudière à compartiments en fonte de fer ou en aluminium Active EP2250448B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008013086A DE102008013086A1 (de) 2008-03-07 2008-03-07 Gliederheizkessel aus Gusseisen oder Aluminium
PCT/EP2009/052175 WO2009109486A1 (fr) 2008-03-07 2009-02-24 Chaudière à compartiments en fonte de fer ou en aluminium

Publications (2)

Publication Number Publication Date
EP2250448A1 true EP2250448A1 (fr) 2010-11-17
EP2250448B1 EP2250448B1 (fr) 2016-09-07

Family

ID=40725080

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09717341.3A Active EP2250448B1 (fr) 2008-03-07 2009-02-24 Chaudière à compartiments en fonte de fer ou en aluminium

Country Status (6)

Country Link
US (1) US20110139093A1 (fr)
EP (1) EP2250448B1 (fr)
CN (1) CN101960228B (fr)
DE (1) DE102008013086A1 (fr)
RU (1) RU2495336C2 (fr)
WO (1) WO2009109486A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008014523A1 (de) * 2008-03-15 2009-09-17 Robert Bosch Gmbh Heizgerät
DE102008037762A1 (de) 2008-08-14 2010-02-18 Robert Bosch Gmbh Gliederheizkessel aus Gusseisen oder Aluminium
DE102010023556A1 (de) * 2010-06-11 2011-12-15 Robert Bosch Gmbh Gliederheizkessel
DE102018212211A1 (de) 2018-07-23 2020-01-23 Robert Bosch Gmbh Abgasmantel für einen Brennwertkessel
EP3764021A1 (fr) * 2019-07-10 2021-01-13 Bekaert Combustion Technology B.V. Échangeur de chaleur sectionnel

Family Cites Families (23)

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US2273453A (en) * 1939-08-16 1942-02-17 Crane Co Boiler
US2918043A (en) * 1956-04-25 1959-12-22 Harold S Ackerman Heat transfer apparatus
US3261328A (en) * 1964-04-29 1966-07-19 Weil Mclain Company Inc Boiler construction
DE1282899B (de) * 1964-06-26 1968-11-14 Buderus Eisenwerk Gliederheizkessel
FR1542460A (fr) * 1966-05-23 1968-10-18 Decauville S A Sa Chaudière à effets rayonnants équilibrés et double foyer
FR1490247A (fr) * 1966-08-23 1967-07-28 Buderus Eisenwerk Chaudière de chauffage à éléments, pour combustibles liquides ou gazeux
DE1952521U (de) * 1966-10-26 1966-12-29 Buderus Eisenwerk Gliederheizkessel fuer feste, fluessige oder gasfoermige brennstoffe.
CH458673A (de) * 1967-04-06 1968-06-30 Buderus Eisenwerk Ol- oder gasbeheizter Gliederheizkessel
DE1809073A1 (de) * 1968-11-15 1970-06-11 Strebelwerk Gmbh Sammelheizungskessel
DE2210015C3 (de) * 1972-03-02 1975-11-06 Hans 3559 Battenberg Viessmann Druckaussteifung für die Einsatzglleder insbesondere eines Gasheizungs-Vessels
FR2233571A1 (en) * 1973-06-13 1975-01-10 Fonderie Soc Gen De Gas or liquid fired sectional boiler - ribs around heat exchanger walls circulate hot gases
US4062325A (en) * 1973-07-11 1977-12-13 Pietro Fascione Boiler using combustible fluid
FR2547026B1 (fr) * 1983-06-01 1985-08-23 Self Climat Generateur d'eau chaude, notamment chaudiere de chauffage central, a combustible solide, en particulier pour la combustion de buches de bois
DE3715198A1 (de) * 1987-05-07 1988-11-24 Buderus Heiztechnik Gmbh Verfahren zum aufbringen eines korrosionsfesten ueberzugs auf gussstuecke
RU2110730C1 (ru) * 1995-08-21 1998-05-10 Борис Николаевич Гроздов Цилиндрический котел
DE29621817U1 (de) 1996-12-16 1997-03-13 Buderus Heiztechnik Gmbh, 35576 Wetzlar Heizkessel für Brennwertbetrieb
KR100676163B1 (ko) * 1999-08-02 2007-01-31 가부시키카이샤 미우라겐큐우쇼 수관보일러
RU2194213C2 (ru) * 2000-05-15 2002-12-10 Гроздов Борис Николаевич Цилиндрическая водогрейная установка (варианты) и металлический кольцевой коллектор
DE10026549C1 (de) * 2000-05-27 2001-11-22 Viessmann Werke Kg Heizkessel
RU2200913C2 (ru) * 2001-05-18 2003-03-20 Акционерное общество открытого типа "Бумагоделательного машиностроения" Водогрейный котел
DE102004023711B3 (de) 2004-05-11 2005-10-13 Viessmann Werke Gmbh & Co Kg Heizgerät
DE102005037735B4 (de) * 2005-08-05 2010-07-01 Nemak Linz Gmbh Zylinderkopf-Gussrohteil, gegossener Zylinderkopf für Diesel-Verbrennungsmotoren und Verfahren zur Herstellung eines Zylinderkopf-Gussrohteils
DE102008037762A1 (de) * 2008-08-14 2010-02-18 Robert Bosch Gmbh Gliederheizkessel aus Gusseisen oder Aluminium

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2009109486A1 *

Also Published As

Publication number Publication date
RU2010140845A (ru) 2012-04-20
WO2009109486A1 (fr) 2009-09-11
RU2495336C2 (ru) 2013-10-10
CN101960228B (zh) 2013-10-30
US20110139093A1 (en) 2011-06-16
DE102008013086A1 (de) 2009-09-10
CN101960228A (zh) 2011-01-26
EP2250448B1 (fr) 2016-09-07

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