EP0248327A2 - Procédé de création d'une cheminée d'air et de gaz de combustion pour des installations au gaz dans de vieux bâtiments - Google Patents

Procédé de création d'une cheminée d'air et de gaz de combustion pour des installations au gaz dans de vieux bâtiments Download PDF

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Publication number
EP0248327A2
EP0248327A2 EP87107631A EP87107631A EP0248327A2 EP 0248327 A2 EP0248327 A2 EP 0248327A2 EP 87107631 A EP87107631 A EP 87107631A EP 87107631 A EP87107631 A EP 87107631A EP 0248327 A2 EP0248327 A2 EP 0248327A2
Authority
EP
European Patent Office
Prior art keywords
chimney
gas
combustion air
metal tube
air
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.)
Withdrawn
Application number
EP87107631A
Other languages
German (de)
English (en)
Inventor
Erich Krohmann
Günter Bertram
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.)
Bertram Erich
Krohmann Irmgard
Original Assignee
Bertram Erich
Krohmann Irmgard
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 Bertram Erich, Krohmann Irmgard filed Critical Bertram Erich
Publication of EP0248327A2 publication Critical patent/EP0248327A2/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J11/00—Devices for conducting smoke or fumes, e.g. flues 
    • F23J11/12—Smoke conduit systems for factories or large buildings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F17/00—Vertical ducts; Channels, e.g. for drainage
    • E04F17/02—Vertical ducts; Channels, e.g. for drainage for carrying away waste gases, e.g. flue gases; Building elements specially designed therefor, e.g. shaped bricks or sets thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2211/00—Flue gas duct systems
    • F23J2211/10—Balanced flues (combining air supply and flue gas exhaust)

Definitions

  • the invention relates to a method for creating an air-exhaust chimney for gas fireplaces in old buildings with at least two adjacent chimney flues.
  • the components for such a chimney are dimensioned so that either the chimney can be built up piece by piece by hand from bottom to top with the rest of the building, or floor-high elements can be used from top to bottom through openings in the ceilings by means of a crane. Whichever system is chosen, it is in any case a new part of the building which, as a rule, can no longer be accommodated in old buildings. This would mean that existing ceilings and roofs would have to be broken and closed again. In addition to the immense pollution and noise pollution resulting from such measures, there could also be difficult static problems in the old building area. The removal of existing chimneys and the installation of modified chimneys with the known components in the same place should not be judged differently. After all, this also means a massive intervention in the grown building structure with an even greater pollution and noise pollution.
  • the invention is based on the object of specifying a comparatively gentle method by which an air-exhaust chimney for gas fireplaces in old buildings with at least two adjacent chimney flues can be created very quickly and easily.
  • the chimney created should be fully functional and reliable.
  • existing chimneys are used and redesigned to the desired functionality.
  • the invention is based on the finding that chimneys are usually already available in old buildings, specifically as a group of at least two, three or more chimney flues, due to the heating which used to be customary with individual stoves. However, only a few of these are occupied after a changeover to gas heating.
  • two chimney flues can be connected to form a new structural unit, one of the chimney flues, namely that for the supply of combustion air, taking on a completely different function than before.
  • there are similar conditions in old buildings for a perfect and safe combustion that could previously only be achieved in new buildings.
  • One can even say that the effort required for this is less in old buildings.
  • only one overflow opening between the chimney inlets to be combined and openings for the supply of combustion air need to be caulked and formed. Further connectors are already available as accessories for the gas heaters to be used.
  • An upstream opening which is variable in its free cross section is advantageously created. - This allows the flow conditions to be optimized.
  • the upstream opening is intended to provide pressure equalization between the two trains or shafts.
  • the exhaust gas is diluted with fresh air, resulting in a lowering of the temperature and dew point in the exhaust gas mixture. Ultimately, this will prevent condensate, even at the top of the chimney draft, and thus prevent moisture penetration.
  • the head of the chimney draft for the exhaust gas is expediently raised relative to the head of the chimney draft for the combustion air.
  • the head of the chimney draft for the combustion air is spaced at a distance Cover provided.
  • the chimney flue may be lined with a corrosion-resistant metal pipe for the flue gas. This can increase the flow rate as well as gas tightness in the necessary manner.
  • a corrosion-resistant metal pipe can be inserted in sections from the head into the chimney. The metal tube is then advantageously backfilled with a thermal insulation material.
  • the metal tube is expediently provided at its upper end with a removable attachment which surrounds the upper end of the metal tube at a distance with a cylindrical to frustoconical jacket and has a deflection and cover plate for the open end of the metal tube in its interior.
  • the process product forms an air-exhaust chimney, which has been redesigned from two adjacent but independent chimney flues in accordance with the proposal of the invention.
  • One chimney draft is used to discharge exhaust gas, while the other chimney draft is to ensure the supply of combustion air.
  • the latter means both the application of another gaseous medium as well as a reversal of the flow direction and thus a functionality that differs significantly from the original task.
  • the following process steps are implemented in detail.
  • an inlet 1 for combustion air is provided at the head.
  • a cleaning opening 2 which is also used for occasional inspections and can be closed with a door.
  • connection openings 3 for the combustion air are introduced on the chimney draft V.
  • a closable cleaning opening 4 is provided on the chimney foot (chimney sole).
  • the attachment 5 is placed as a removable part on the upper end of a metal pipe 7, which still protrudes over the head of the chimney draft A.
  • the attachment 5 surrounds the upper end of the metal tube 7 at a distance with a truncated cone-shaped jacket and has a deflecting and covering plate for the open end of the metal tube 7 in its interior.
  • the metal pipe 7 is used for the inner lining of the chimney draft A. It is of corrosion-resistant quality and consists of several sections. These are each equipped with beads at their ends, but this is not shown here. The individual sections are placed one on top of the other, each section having the upper end of the section lying above it. This type of connection allows changes in length in the event of temperature fluctuations while maintaining gas tightness.
  • the metal tube 7 is backfilled with a mineral-based thermal insulation material 8 and is thus both insulated and fixed in position.
  • chimney draft A also has a closable cleaning opening 9 in the upper region.
  • connection openings 10 for the exhaust gas.
  • a gas fireplace 11 is connected in the form of a gas floor heating with a closed combustion chamber (see also Fig. 2). This arrangement can be made on several floors. This is to be indicated by the recess in the middle storeys in the area of reference number 12.
  • the gas fireplaces 11 can generally be attached directly to a chimney flue 13.
  • an overflow opening 14 is provided on the chimney sole between the chimney flues V and A. This can be reached and controlled from the cleaning opening 4 of the chimney draft V as well as from a cleaning opening 15 of the chimney draft A which is arranged at the same height. It is designed in such a way that it can be closed seamlessly up to a minimum opening and is lockable in each case.
  • the free cross section of the overflow opening 14 can therefore be varied as desired. This enables the flow conditions to be optimized, depending on the number of connected gas fireplaces 11 and the flow calculations to be carried out for this purpose.
  • the gas fireplaces 11 can have a blower support, either on the side of the exhaust gas or the combustion air. As a result, the exhaust gas is safely guided through the roof into the free wind power and is quickly diluted there.
  • the overflow opening 14 can also be formed by a tubular element, for example in the form of a T-piece. Since the exhaust side is able to compensate for temperature-related movements as a result of the structured structure of the metal tube 7, no special measures need to be taken for a movement play on the combustion air side. Rather, rigid connections can be provided there, ie connecting pieces can be walled into the chimney flue 13 by means of mortar.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chimneys And Flues (AREA)
EP87107631A 1986-06-04 1987-05-26 Procédé de création d'une cheminée d'air et de gaz de combustion pour des installations au gaz dans de vieux bâtiments Withdrawn EP0248327A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3618743 1986-06-04
DE3618743 1986-06-04

Publications (1)

Publication Number Publication Date
EP0248327A2 true EP0248327A2 (fr) 1987-12-09

Family

ID=6302235

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87107631A Withdrawn EP0248327A2 (fr) 1986-06-04 1987-05-26 Procédé de création d'une cheminée d'air et de gaz de combustion pour des installations au gaz dans de vieux bâtiments

Country Status (1)

Country Link
EP (1) EP0248327A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1020299A5 (nl) * 2011-11-18 2013-07-02 Debatra Bvba Eindstuk inrichting voor een schoorsteen.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1020299A5 (nl) * 2011-11-18 2013-07-02 Debatra Bvba Eindstuk inrichting voor een schoorsteen.

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 19891201

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Inventor name: KROHMANN, ERICH

Inventor name: BERTRAM, GUENTER