EP0519172A1 - Chaudière de chauffage en fente - Google Patents

Chaudière de chauffage en fente Download PDF

Info

Publication number
EP0519172A1
EP0519172A1 EP92106056A EP92106056A EP0519172A1 EP 0519172 A1 EP0519172 A1 EP 0519172A1 EP 92106056 A EP92106056 A EP 92106056A EP 92106056 A EP92106056 A EP 92106056A EP 0519172 A1 EP0519172 A1 EP 0519172A1
Authority
EP
European Patent Office
Prior art keywords
heating
cast
boiler according
ribs
cast iron
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.)
Ceased
Application number
EP92106056A
Other languages
German (de)
English (en)
Inventor
Hartmut Dipl.-Ing. Assmann
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.)
Bosch Thermotechnik GmbH
Original Assignee
Buderus Heiztechnik 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
Priority claimed from DE19914119866 external-priority patent/DE4119866C1/de
Application filed by Buderus Heiztechnik GmbH filed Critical Buderus Heiztechnik GmbH
Publication of EP0519172A1 publication Critical patent/EP0519172A1/fr
Ceased legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/22—Moulds for peculiarly-shaped castings
    • B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
    • B22C9/26—Moulds for peculiarly-shaped castings for hollow articles for ribbed tubes; for radiators
    • 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
    • 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
    • F24H9/00—Details
    • F24H9/14—Arrangements for connecting different sections, e.g. in water heaters 
    • 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
    • F24H9/00—Details
    • F24H9/14—Arrangements for connecting different sections, e.g. in water heaters 
    • F24H9/146—Connecting elements of a heat exchanger

Definitions

  • the invention relates to a heating boiler according to the preamble of claim 1.
  • a boiler of this type is shown and described in the unpublished DE 40 32 241 A1.
  • Cast iron boilers have so far only been built in a link structure.
  • the individual boiler sections are formed and cast in a casting mold with inserted cores.
  • the partial water spaces formed by the boiler sections are connected to each other at hubs.
  • the cited document proposes to build a boiler with a single, large water space, as was previously known for steel boilers, and yet to use the recognized advantages of cast iron as a material.
  • the water space limitation consists of open cast, cast iron individual elements in the form of an inner cylinder with an outer flange and an outer cylinder with an inner flange, the parts being sealed and braced against one another.
  • the construction described has the advantage that it can be made from cast iron.
  • the design advantages of the casting process and the corrosion resistance of the cast iron material are used.
  • a complex and environmentally harmful core manufacturing process is dispensed with.
  • the object of the invention was to create a boiler made up of individual elements to be strung together in order to additionally utilize the advantages of the link construction.
  • the boiler according to the invention has the features mentioned in the characterizing part of patent claim 1.
  • the boiler is made up of several individual elements.
  • An inner shell with an encircling outer flange alternates with an outer shell with an inner flange.
  • Flow openings in the flanges connect the adjacent water spaces.
  • the all-round end edges of the shells are inserted into cast-on guide and sealing grooves on the flanges of the neighboring elements. This not only results in a perfect fixation, but also a secure seal.
  • the boundary walls of the grooves also shield the sealing insert against destructive influences, which is particularly important on the heating gas side.
  • T-shaped individual elements can be strung together in any number.
  • L-shaped elements on the same principle. Individual links would then have to be created first, which would then have to be joined together.
  • ribs can be cast onto the inwardly facing surfaces, ie towards the heating gas side.
  • cylinder rings possibly with cast-on ribs, can also be drawn in.
  • a hot gas side coating to increase the corrosion resistance is also easily possible.
  • a boiler of this type can also be used as a condensing boiler if required.
  • the inner shell encompassing both areas and the outer shell delimiting the outer water space.
  • the combustion chamber can be designed as a flame tube that ends at the end of the heating gas flue. It is advisable to cast ribs on the cast iron inner shell in the area of the hot gas flue. A part of these ribs can be designed as guide ribs and create a division of the heating gas train into several oppositely flowing trains.
  • a rear and front heating gas deflection can lie within the boiler body through appropriate rib design or can also be left out in the front and rear lining.
  • a particular advantage of a boiler of this type is that it can also be operated without condensation in low-temperature operation.
  • the outer shell has a greater, preferably twice the distance from the cast iron inner shell in the area of the hot gas flue than in the area of the combustion chamber. This allows the connection of the heating flow and return to the upper, enlarged area of the water space and a targeted control of the cold and hot water flow within the water space.
  • Vertical separating ribs cast onto the outer shell create a separation between the cool return water and the hotter supply water, with the return water flowing downwards in the outer areas.
  • the water heated up in the combustion chamber area then flows up again. It rinses the inner shell and shields it from direct exposure to cold return water. This prevents the formation of condensation in the vulnerable areas, especially in the lower area of the boiler.
  • heating gas flue is arranged above the combustion chamber, it is advisable to arrange separating ribs in the water space on both sides of the heating gas flue.
  • the heating return then arrives in the two outer areas of the water space via a return distributor.
  • the heating flow branches in the upper, middle area of the water space. There can also be two branches that open via a common flow connection.
  • L-shaped elements are recommended in cross-section, which have system parts for a burner door or an exhaust gas collector on their outward-facing surfaces.
  • the boiler is composed of core-free cast individual elements, which form a water space 1 from several adjacent partial water spaces and a combustion chamber 2.
  • a combustion chamber 2 In the combustion chamber 2 there is a reversing chamber 3 for deflecting the heating gases. These then flow through a ring-cylindrical heating gas flue 4 or a heating gas flue 4 'arranged eccentrically to the combustion chamber 2 to the rear exhaust pipe 5.
  • a flame tube In a different boiler structure, a flame tube could also be inserted into the combustion chamber.
  • the decisive factor is the assembly of the boiler from the special individual elements.
  • the elements alternately consist of an outer shell 6 (in the case of a cylindrical boiler structure, an outer cylinder) with a circumferential inner flange 7 and an inner shell 8 (in the case of a cylindrical boiler structure, an inner cylinder) with a circumferential outer flange 9.
  • the inner and outer flanges 7, 9 have openings 10 which point to them can be distributed over the entire scope. These openings 10 can also encompass almost the entire cross section of the flanges 7, 9, so that only connecting webs 28 remain between the shells 6, 8 (FIG. 5).
  • a circumferential guide and sealing groove 11 At the end of the flanges 7, 9 or the connecting webs 28 sits a circumferential guide and sealing groove 11, in which the end edge of the adjacent shell 6 and 8 is inserted.
  • An inserted sealing ring 12 ensures the seal.
  • the bracing takes place either with continuous anchor rods or in the indicated manner with short anchors 13 from element to element.
  • the boundary wall 14 of the sealing groove 11 on the heating gas side must be made particularly high. Both on this wall 14 and on the inner shell 8, fins 15 are cast, which protrude into the heating gas flue 4 or into the combustion chamber 2.
  • End-side limiting elements 16 are L-shaped in cross section. They have a system part 17 for a burner door 18 on the burner side and an attached or cast-on exhaust gas collector 19 or rear wall 19 'on the flue gas side. In the case of an L-shaped design, two elements of the boiler element are combined. The boiler sections can then be assembled in a known manner.
  • transverse ribs 20 In the case of an eccentric arrangement of combustion chamber 2 and heating gas duct 4 'according to FIGS. 4 and 5, the inner shell 8 within the heating gas duct 4' is penetrated by a number of transverse ribs 20. Horizontal flow shafts are created and, as a result of central guide ribs 21, a double train.
  • a special design of the transverse ribs 20 of the end elements forms a front and a rear turning chamber 22. These turning chambers 22 could also be omitted in the brickwork of the front burner door 18 or the rear wall 19 '.
  • the water space 1 In the area of the heating gas flue 4 ', the water space 1 has a large volume. Vertical separating ribs 23 divide the water space into outer zones, into which the heating return 24 opens out via a return distributor 25, and an inner zone, from which the heating feed 26 branches off. A direct loading of the combustion chamber wall with cold return water is prevented. There is no condensation.
  • the individual elements can be easily molded horizontally. A coreless cast is possible.
  • the application is not limited to the boiler shown. Arbitrarily shaped boilers can be created in modular construction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Incineration Of Waste (AREA)
  • Details Of Fluid Heaters (AREA)
EP92106056A 1991-06-17 1992-04-08 Chaudière de chauffage en fente Ceased EP0519172A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4119866 1991-06-17
DE19914119866 DE4119866C1 (en) 1991-06-17 1991-06-17 Cast-iron@ boiler made in sections - has inner skin elements with outer flanges and outer skin elements with inner flanges
DE19914126706 DE4126706C1 (fr) 1991-06-17 1991-08-13
DE4126706 1991-08-13

Publications (1)

Publication Number Publication Date
EP0519172A1 true EP0519172A1 (fr) 1992-12-23

Family

ID=25904586

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92106056A Ceased EP0519172A1 (fr) 1991-06-17 1992-04-08 Chaudière de chauffage en fente

Country Status (2)

Country Link
EP (1) EP0519172A1 (fr)
DE (1) DE4126706C1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT401684B (de) * 1993-03-11 1996-11-25 Vaillant Gmbh Heizgerät mit einem gliederblock
DE19502765C2 (de) * 1995-01-30 1996-11-14 Hans Dr Dr Viesmann Heizkessel in Gliederbauweise
DE102007005431A1 (de) * 2007-01-30 2008-07-31 Viessmann Werke Gmbh & Co Kg Festbrennstoffheizkessel
NL2010725C2 (en) 2013-04-26 2014-10-29 Dejatech Ges B V Modular heat exchanger with sections interconnected by connectors.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0414925A1 (fr) * 1989-08-28 1991-03-06 Hans Dr. Viessmann Chaudière pour brûler des combustibles fluides ou gazeux
WO1991006813A1 (fr) * 1989-10-31 1991-05-16 Hans Viessmann Chaudiere pour combustibles liquides ou gazeux

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0414925A1 (fr) * 1989-08-28 1991-03-06 Hans Dr. Viessmann Chaudière pour brûler des combustibles fluides ou gazeux
WO1991006813A1 (fr) * 1989-10-31 1991-05-16 Hans Viessmann Chaudiere pour combustibles liquides ou gazeux

Also Published As

Publication number Publication date
DE4126706C1 (fr) 1992-10-29

Similar Documents

Publication Publication Date Title
DE68922403T2 (de) Quadratischer durchlaufkessel mit mehreren rohren.
EP0519172A1 (fr) Chaudière de chauffage en fente
DE2742839A1 (de) Waermeuebertrager fuer einen gas- oder oelbeheizten durchlauf-wassererhitzer
DE4119866C1 (en) Cast-iron@ boiler made in sections - has inner skin elements with outer flanges and outer skin elements with inner flanges
WO2002093099A1 (fr) Echangeur thermique pour rechauffer un produit, en particulier une masse pour produire des confiseries
DE1168929B (de) Rohrfoermiges Waermetauscherelement
DE657034C (de) Schmiedeeiserner Gliederkessel aus Rohrpaaren
EP1288586B1 (fr) Chaudière sectionnable en fonte
DE10158299A1 (de) Wasserrohrkessel
DE1280802B (de) Mangelmulde
DE1949963A1 (de) Dampfkessel mit einem Wasserraum
DE1953565A1 (de) Zerlegbarer Heizkessel fuer eine Wasserzentralheizungsanlage
AT206154B (de) Heizungskessel
DE698798C (fr)
DE699042C (de) Einsatzkoerper fuer Rohre in Dampfkesseln und anderen Waermeaustauschern
DE501159C (de) Lufterhitzer fuer Frischluftheizungen von Kraftfahrzeugen
DE429171C (de) Dampfkessel mit die Verbrennungskammer umgebenden Waenden aus in Abstaenden nebeneinander angeordneten Rohren
AT127482B (de) Dampferzeuger oder Wärmeaustauscher.
AT209355B (de) Dampferzeuger mit Längsströmung der Gase in einem waagrechten Feuerraum und seitlich neben dem Feuerraum liegenden Gaszügen
AT314145B (de) Wasserseitige Verbindung eines aus Gliedern bestehenden Heizkessels
DE2308956A1 (de) Mehrzugflammrohrkessel
DE69106466T2 (de) Heizkessel mit verstärkten Zwischenelementen.
DE1464490C (de) Im Kernreaktor Druckgehause angeord neter Wärmetauscher
DE1526904A1 (de) Fertigbauelemente fuer Dampfkessel
DE35512C (de) Gliederkessel

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 BE CH DE DK ES FR GB GR IT LI LU NL PT

17P Request for examination filed

Effective date: 19921216

17Q First examination report despatched

Effective date: 19931029

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED

18R Application refused

Effective date: 19940421