EP2851486A1 - Composant de cheminée concentrique doté d'un canal d'amenée et d'évacuation d'air - Google Patents

Composant de cheminée concentrique doté d'un canal d'amenée et d'évacuation d'air Download PDF

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Publication number
EP2851486A1
EP2851486A1 EP14177858.9A EP14177858A EP2851486A1 EP 2851486 A1 EP2851486 A1 EP 2851486A1 EP 14177858 A EP14177858 A EP 14177858A EP 2851486 A1 EP2851486 A1 EP 2851486A1
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EP
European Patent Office
Prior art keywords
chimney
wall
air
component according
inner tube
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Withdrawn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
EP14177858.9A
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German (de)
English (en)
Inventor
Kai Schumann
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP2851486A1 publication Critical patent/EP2851486A1/fr
Withdrawn legal-status Critical Current

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    • 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 
    • F23J13/00—Fittings for chimneys or flues 
    • F23J13/02—Linings; Jackets; Casings
    • F23J13/025—Linings; Jackets; Casings composed of concentric elements, e.g. double walled
    • 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)
    • F23J2211/101—Balanced flues (combining air supply and flue gas exhaust) with coaxial duct arrangement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2213/00—Chimneys or flues
    • F23J2213/40—Heat insulation fittings

Definitions

  • air-exhaust systems are known, but only partially solve this problem.
  • combustion plants already provided with an air-exhaust chimney are known.
  • An air-exhaust system is usually a chimney, which has two parallel flow channels.
  • a supply air duct runs parallel to the exhaust system.
  • exhaust gas and combustion air can be added or removed simultaneously in separate chambers.
  • These channels are usually next to each other, so that the roof opening or wall opening must be correspondingly large. Subsequent retrofitting is for this reason only possible with a simultaneous enlargement of the roof opening.
  • the invention in a first preferred embodiment, relates to a chimney component for passage through a roof and / or a wall, comprising a double-walled inner tube and a double-walled outer tube, wherein the inner tube is located with a portion within the outer tube and the inner tube with a further portion the outer tube protrudes and between the outer wall of the inner tube and the inner wall of the outer tube is an annular gap, wherein air is passed through the annular gap from outside to inside and flue gases is passed through the inner tube from the inside to the outside.
  • the air that is passed through the inner tube from the inside to the outside usually contains the flue gases / exhaust gases that result from the combustion.
  • the air, which is passed through the annular gap from outside to inside can either serve as fresh air for the room or as combustion air for the fireplace. It is therefore preferred that the air which is passed through the inner tube comprises flue gas and / or exhaust air. Preferably, the air is sucked in.
  • a major advantage of the invention is that the system is concentric. As a result, a very compact design is possible, which does not take up more space than systems that have only one exhaust pipe and do not allow own fresh air supply. As a result, the opening in the wall and / or the roof does not have to be larger than in the case of outdated systems in which only one pipe was available for the exhaust gases / flue gases.
  • the new chimney component of the invention can be retrofitted for any type of fireplace and the fresh air dimension to be achieved is sufficient for all known fireplaces.
  • a chimney component can be provided, which requires a roof opening, which has a diameter only slightly larger than chimney components with only one exhaust pipe and still includes both supply air and exhaust air lines.
  • the component of the invention is advantageous compared to conventional mantle stones with Zu Kunststoffö réelleen, as they require a rectangular cutout in the roof.
  • rectangular cutouts are much more difficult to produce for retrofitting and therefore more expensive.
  • a relatively simple core hole is sufficient for the chimney component according to the invention.
  • each roof opening brings disadvantages from an energetic point of view, it is advantageous to keep them as small as possible and also to limit the number of necessary roof or wall openings. Both can be realized by the chimney component of the invention, so that not only costs are saved, but the heat insulation of the building is optimally preserved.
  • the chimney component can be retrofitted to older chimney systems without having to add another roof opening.
  • This can be used mainly in households in which an insulation of the building exterior walls has been made, which now for the first time the supply of combustion air is necessary.
  • Previously had to be inserted at such fire either a second roof opening for the supply of fresh air or the existing roof opening had to be widened so that a second pipe could be inserted. Both variants are possible only with great effort, so that the cost of such a measure are high.
  • the concentric design of the chimney component of the invention not only has advantages for use in a chimney, but is also advantageous for storage and transportation. This is because the concentric components can be stacked more efficiently, resulting in space savings that ultimately lead to lower transport and storage costs. Such a far-reaching saving was completely surprising.
  • the fire protection is also significantly increased. This is mainly due to the air-swept chimney outer wall.
  • Double-walled tube a tube which comprises an inner wall and an outer wall.
  • an insulating layer between the inner wall of the outer tube and the outer wall of the outer tube is mounted.
  • the annular gap is also dammed to the outside.
  • the air which is guided from the outside into the interior of the room, passed through a tube insulated from the outside.
  • an insulating layer between the inner wall of the inner tube and the outer wall of the inner tube is mounted.
  • the exhaust gases are passed through an insulated pipe. This internal insulation prevents overheating of the chimney and thus also protects neighboring materials from heat damage or fire.
  • an insulating layer is applied both between the inner wall and the outer wall of the inner tube, as well as between the inner wall and the outer wall of the outer tube.
  • the insulating layers comprise mineral fibers.
  • foamed plastics such as polystyrene, neopor or polyuretane, foamed elastomers based on neoprene rubber or inorganic insulating materials such as mineral wool, high-temperature wool, rock wool or glass wool.
  • foamed plastics such as polystyrene, neopor or polyuretane, foamed elastomers based on neoprene rubber or inorganic insulating materials
  • mineral wool high-temperature wool, rock wool or glass wool.
  • insulating layers with a thickness of 1 cm to 7 cm, preferably 2 cm to 5 cm, particularly preferably 3 cm.
  • Insulating layers with the above preferred thicknesses have given particularly advantageous results. So here can be done a particularly good insulation without the insulation layer is so thick that the roof openings are unfavorably large.
  • the component additionally comprises a rain collar, which is connected to the portion of the inner tube, which protrudes from the outer tube.
  • the chimney component also has a roof duct component. It is particularly preferred that the roof duct substantially encloses the part of the outer tube, which is above the roof opening, ie outside the building.
  • the roof penetration is at least 30cm high and is designed as a truncated cone or as a cylinder.
  • this preferably has a flange which is placed on the green roof, flat roof, cardboard roof, zinc roof or tile roof and preferably sealed.
  • the roof duct to the outer tube forms an annular gap over which a rear ventilation of the roof is possible.
  • Another particular advantage of the invention is that the rain collar which has hitherto been used for the conventional chimney components can now also be used for covering the annular gap between the inner and the outer tube.
  • the chimney component of the invention therefore, can be made of the rain collar of the previous component, whereby the acquisition costs are reduced and less waste in the replacement is obtained.
  • About this rain collar of the annular gap between the inner tube and the outer tube is reached because the rain collar can be easily removed.
  • the entire annular gap is free for inspection, without the need for elaborate inspection openings.
  • a direct advantage therefore lies in the lower follow-up costs and the better maintenance and cleaning of the component.
  • the part of the outer tube which lies above the roof opening is longer than the roof duct. This may, for example, be preferred for the safe intake of clean air when there are exhaust outlets from other sources in the vicinity. This ensures that the intake air is free from exhaust air.
  • two rain collar should be used, wherein a rain collar covers the annular gap between the roof duct and outer tube and a rain collar the annular gap between the outer tube and inner tube.
  • This embodiment is preferred because it prevents dirt or rain or snow from entering the annular gap. This minimizes maintenance and repair work and ultimately reduces costs.
  • the rain collar be at least 30 cm, preferably at least 40 cm above the roof and / or the wall.
  • the rain collar is attached too close to the roof duct, it can not be ensured that sufficient air always gets into the annular gap. For example, the rain collar can sink into the snow cover due to heavy snowfall. On the other hand, if the rain collar is too far away from the roof penetration, the material costs rise, since the chimney component of the invention correspondingly increases must be extended. It is therefore preferred that the rain collar is mounted at most 1.5 m above the roof opening or wall opening.
  • outer tube and / or inner tube comprise stainless steel.
  • stainless steel tubes are particularly advantageous because these tubes are stable and very durable. Due to the stainless steel pipe, the chimney component of the invention can cope with particularly mechanical loads due to tension and pressure or other external influences. This also causes less damage during assembly of the chimney components.
  • the tubes of the invention are preferably protected against corrosion. Due to an increased insensitivity to environmental influences and aggressive components of the flue gases, for example, acids that are produced during the fire of the fireplace, especially the inner tube can not attack.
  • the wall thicknesses for the inner tube and / or the outer tube are between 0.3 mm and 1.8 mm, particularly preferably 0.6 mm and 1 mm. Wall thicknesses in this thickness offer the best compromise between stability, strength and space-saving design.
  • the air which is passed through the annular gap is passed as fresh air into a room and / or as combustion air to a fireplace.
  • the invention relates to the chimney component, wherein a line on the lower part of the component in the interior of the air continues from the annular gap.
  • annular gap of 1 cm to 6 cm, preferably 2 cm to 5 cm, more preferably 3 cm to 4 cm ensures optimum fresh air supply to the fireplace.
  • the preferred dimensioning of the annular gap and the insulating layers ensures the thermal decoupling of the individual device parts, whereby, for example, cold bridges and condensate formation can be avoided. In the devices of the prior art, there is often a strong warming of the fresh air, so that it no longer has a tendency to flow to the fireplace.
  • the selected dimensions for the annular gap and the insulating layer are not arbitrarily selected areas, but areas that are associated with a particular technical effect that was unpredictable.
  • the inventive combination of the selected areas for the insulation and for the annular gap leading to a surprisingly good supply of the fireplace with fuel and also to a surprisingly good removal of the flue gases to the outside. In the hearth burns the fuel safely, without causing excessive soot or carbon monoxide formation.
  • the combination of the two selected areas does not simply add up the advantages of these, but the two selected areas combine to produce a synergistic effect, resulting in an excellent supply of fresh air to the fireplace and a good after-treatment -Outline pipe of flue gases precipitates.
  • the invention also relates to the use of a fireplace according to the invention or the chimney component according to the invention, for reducing the carbon monoxide, nitrogen oxide and / or smoke particle concentration in a fireplace.
  • the preferred reduction relates to a 2%, preferably 5%, particularly preferably 10%, very particularly preferably 20%, in particular 30% or 40% reduction of carbon monoxides and / or nitrogen oxides and / or smoke particles in relation on the fire pits in a fireplace or chimney of the prior art.
  • fireplace of the prior art means a substantially identical chimney, which does not comprise the chimney component according to the invention. It was completely surprising that the use of the chimney component according to the invention in a chimney can surprisingly reduce the carbon monoxide concentration and / or nitrogen oxide concentration and / or the concentration of the smoke particles.
  • the skilled person also had no reason to explore the preferred thickness of the insulation and / or the annular gap.
  • the prior art has particularly encouraged the average person skilled in the art to use simple designs, for example, to minimize maintenance or manufacturing costs.
  • the thickness of the insulating layers can be produced by a double-walled configuration. This double-walled design of the insulating layer with a particularly preferred thickness of the insulating layers of 3 cm, leads to a surprisingly good thermal decoupling.
  • the prior art suggests the use of single-walled pipes.
  • the pipes inside the building can be positioned or adjusted accordingly.
  • a person skilled in the art knows how to design the pipes inside the building without being inventive himself.
  • a mounting flange is arranged on the outer wall of the outer tube so that the component can be inserted tightly into an opening of the roof and / or the wall. This embodiment ensures that the chimney component fits tightly into the roof opening or wall opening. Thus, no heat loss to the outside and there are no impurities in the building interior.
  • the chimney component is suitable for any type of roofs and the field of application is thus not limited by the roof type.
  • Another advantage of the invention is that the chimney component in addition to the function, the combustion air or fresh air can be sucked, even sucked air for a controlled ventilation and exhaustion can also be removed. For example, bath exhaust air can be removed via this chimney component.
  • the field of application of the chimney component of the invention is particularly versatile, which was not to be expected.
  • the invention relates to a chimney comprising a chimney component in the sense of the invention.
  • Such chimneys in the context of the invention can be used above all in refurbished buildings, since it is necessary here that the chimney has a fresh air supply.
  • This fresh air supply can either be routed directly to the fireplace or directed into the room, so that the fireplace receives sufficient combustion air through the room air.
  • the chimney component according to the invention can be integrated into almost any type of chimney. Here are both modern fireplace systems into consideration; but it can also be rehabilitated old chimneys through the chimney component of the invention and thus be put into operation again.
  • FIG. 1 shows a preferred embodiment of a chimney component of the invention.
  • the component has in this case a double-walled inner tube 4 and a double-walled outer tube 5. Between the inner tube and the outer tube there is an annular gap 2.
  • the fresh air which passes through the annular gap 2 in the interior of the building, fed to the room.
  • the flue gases escape through the double-walled inner tube 4. This is illustrated by the arrows in the figure.
  • both the inner tube 4 and the outer tube 5 are insulated.
  • the insulating layer 3 is 3 cm thick.
  • the chimney component is at least partially surrounded by a roof duct 1 , wherein a mounting flange 6 is arranged on the roof opening.
  • a rain collar 8 is attached to the outer wall of the inner tube.
  • connection piece 7 for the fresh air inside the building connects to the component.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chimneys And Flues (AREA)
EP14177858.9A 2013-07-19 2014-07-21 Composant de cheminée concentrique doté d'un canal d'amenée et d'évacuation d'air Withdrawn EP2851486A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201310107755 DE102013107755A1 (de) 2013-07-19 2013-07-19 Konzentrisches Schornsteinbauteil mit Zu- und Abluftkanal

Publications (1)

Publication Number Publication Date
EP2851486A1 true EP2851486A1 (fr) 2015-03-25

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EP14177858.9A Withdrawn EP2851486A1 (fr) 2013-07-19 2014-07-21 Composant de cheminée concentrique doté d'un canal d'amenée et d'évacuation d'air

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EP (1) EP2851486A1 (fr)
DE (1) DE102013107755A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1024629B1 (nl) * 2016-10-07 2018-05-16 Debatra Bvba Combinatie luchttoevoer-verbrandingsgasafvoer systeem voor gashaarden

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113356521A (zh) * 2021-06-24 2021-09-07 中国建筑第二工程局有限公司 一种预制烟气道基座及其安装方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2764972A (en) * 1952-08-13 1956-10-02 Stewart Warner Corp Venting system for combustion heaters
DE3025532A1 (de) * 1979-07-09 1981-01-29 Loeblich Kessel App Heizungsanlage, insbesondere mit gasfeuerung
DE3530859A1 (de) * 1985-08-29 1987-03-12 Selkirk Household Manufacturin Schornstein mit mehrschaligem aufbau
EP0341523A1 (fr) * 1988-05-09 1989-11-15 RMB-Handels AG Elément de tuyau de cheminée
DE19924445A1 (de) * 1999-05-28 2001-08-30 Hoerburger & Soehne Gmbh & Co Schornstein zur Innenaufstellung in hoher Brandschutzklasse

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2764972A (en) * 1952-08-13 1956-10-02 Stewart Warner Corp Venting system for combustion heaters
DE3025532A1 (de) * 1979-07-09 1981-01-29 Loeblich Kessel App Heizungsanlage, insbesondere mit gasfeuerung
DE3530859A1 (de) * 1985-08-29 1987-03-12 Selkirk Household Manufacturin Schornstein mit mehrschaligem aufbau
EP0341523A1 (fr) * 1988-05-09 1989-11-15 RMB-Handels AG Elément de tuyau de cheminée
DE19924445A1 (de) * 1999-05-28 2001-08-30 Hoerburger & Soehne Gmbh & Co Schornstein zur Innenaufstellung in hoher Brandschutzklasse

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1024629B1 (nl) * 2016-10-07 2018-05-16 Debatra Bvba Combinatie luchttoevoer-verbrandingsgasafvoer systeem voor gashaarden

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Publication number Publication date
DE102013107755A1 (de) 2015-01-22

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