EP3096093A1 - Heating device - Google Patents
Heating device Download PDFInfo
- Publication number
- EP3096093A1 EP3096093A1 EP16168731.4A EP16168731A EP3096093A1 EP 3096093 A1 EP3096093 A1 EP 3096093A1 EP 16168731 A EP16168731 A EP 16168731A EP 3096093 A1 EP3096093 A1 EP 3096093A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat transfer
- exhaust gas
- heater according
- gas flue
- combustion chamber
- 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
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 24
- 238000002485 combustion reaction Methods 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000006641 stabilisation Effects 0.000 claims 1
- 238000011105 stabilization Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 43
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000008236 heating water Substances 0.000 description 2
- 206010022000 influenza Diseases 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
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
- F24H1/287—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 in line with the combustion chamber
-
- 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
- F24H9/0005—Details for water heaters
- F24H9/001—Guiding means
- F24H9/0026—Guiding means in combustion gas channels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
- B21D53/04—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of sheet metal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0024—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for combustion apparatus, e.g. for boilers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2215/00—Fins
- F28F2215/04—Assemblies of fins having different features, e.g. with different fin densities
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2215/00—Fins
- F28F2215/10—Secondary fins, e.g. projections or recesses on main fins
Definitions
- the invention relates to a heater according to the preamble of patent claim 1.
- a heater of the type mentioned is from the patent document EP 0 632 239 A1 known.
- This heater consists of a combustion chamber and a trained to conduct hot, generated in the combustion chamber flue gas flue gas, which has an inlet region and an outlet region and is connected to the combustion chamber via the inlet region and wherein in the hot gas to heat transfer from the hot exhaust gas to the Schugaszug spaced from each other, a wall thickness having heat transfer ribs are arranged.
- These heat exchanger fins which may be formed, for example, as an aluminum extruded profile or also from a folded sheet metal, extend in cross section unchanged from the inlet region to the outlet region.
- the Schugaszug itself is surrounded outside in a known manner by the heater flowing through the heating circuit water.
- the invention has for its object to improve a heater of the type mentioned.
- a heater is to be created with a further improved heat transfer in the field of Schushippes from the exhaust gas to the Schunikwaser.
- the wall thickness of the heat transfer ribs and / or the distances of the heat transfer ribs from one another are greater than those on the outlet region side.
- the solution according to the invention is thus characterized by the fact that structural measures are taken on the heating flue, which take into account a cooling off between the inlet and outlet area exhaust gas flow.
- a thicker-walled heat transfer rib is optionally used than at the exit region and / or with regard to the larger gas volume at higher temperatures at the inlet region a greater distance between the heat transfer rib than at the exit region selected.
- the heater shown in the figures consists in a conventional manner of a combustion chamber 1 and a trained to guide hot, formed in the combustion chamber 1 with a not-shown burner exhaust gas flue 2, wherein it has an inlet region 2.1 and an outlet region 2.2 and is connected to the combustion chamber 1 via the inlet region 2.1 and wherein in the heating gas 2 for heat transfer from the hot exhaust gas to the heating flue 2 spaced apart, a wall thickness having heat transfer ribs 3 are arranged of a metallic material ,
- the combustion chamber 1 is connected to a plurality of (here four) heating gas trains 2 through which the exhaust gas flows.
- the Schugaszug 2 itself has in this case a (approximately) rectangular cross-sectional area with a length and a width, wherein the length corresponds to a multiple of the width.
- the heating gas 2 is formed connected via the outlet region 2.2 with an exhaust gas collecting chamber 4.
- the combustion chamber 1 is arranged above the heating gas train 2 and this above the exhaust gas collecting chamber 4.
- the exhaust gas collection chamber 4 is in turn in a known manner (and therefore not shown separately) connected to a chimney of a building or the like.
- FIG. 2 shows the still relatively thick-walled and with comparatively large distance from each other arranged heat transfer ribs 3 in the inlet region 2.1 (section AA).
- FIG. 3 shows the comparatively thin-walled and with comparatively small distance from each other arranged heat transfer ribs 3 in the outlet region 2.2 (section BB).
- FIGS. 1 to 3 thus a basic constellation.
- the decrease in the volume of the exhaust gas with increasing distance from the combustion chamber 1 thus, again expressed in other words, according to the invention provided that a) the wall thickness of the heat transfer fin 3 with increasing distance from the combustion chamber. 1 is formed smaller and / or that b) the distance between the heat transfer ribs 3 is formed smaller with increasing distance from the combustion chamber 1.
- the said change from zone to zone can be carried out continuously or else, which is structurally simpler, stepwise.
- the heating gas 2 flows through the exhaust gas on the one hand and on the other hand surrounded by water (in particular heating circuit water) is also preferably provided for a particularly good heat transfer that one between The exhaust gas and the water disposed wall of the heating gas 2 has a wall thickness which is smaller than the smallest wall thickness of the heat transfer rib 3 is formed.
- the wall of the hot gas flue 2 is formed from a metallic sheet material.
- the heater according to the invention in which also a wall of the hot gas flue 2 and the heat transfer fins 3 are formed as separate components, particularly preferably provided that the heat transfer ribs 3 as support of the wall of the hot gas flue 2 against the pending from the outside water pressure are formed.
- the heat transfer ribs 3 are preferably in one (see in particular FIG. 2 ) or multi-row (see in particular FIG. 3 ) and multiple S-shape arranged in the hot gas flue 2, wherein the proviso "multiple” simply means that several S-shapes are arranged in a row in the longitudinal direction.
- the heater according to the invention is to be operated as a so-called condensing boiler to achieve high efficiency, it is also particularly preferred that the Schugaszug 2 and / or the heat transfer fins 3 is formed from a resulting from the exhaust condensate material or are.
- FIGS. 4 and 5 a further embodiment of the hot gas flue invention is shown.
- This Thompsongaszug is characterized in that the heat transfer ribs 3 in a - relative to a flow of hot exhaust gas - central region of the Schugaszuges 2 have more distance to the inlet region 2.1 of the Schugaszuges 2 than at an edge region of the Schugaszuges 2. Expressed again in other words, a notch is thus provided in the central region of the heat transfer ribs 3 at the entry region.
- this heating gas 2 has a total of three different zones.
- the entry-area heat transfer ribs 3 are shown, which, in order to be able to withstand the hot exhaust gas, are correspondingly thick-walled and arranged at a relatively large distance from one another.
- the heat transfer ribs 3 in the middle and outlet areas are significantly thinner walls and arranged at a smaller distance from each other.
- FIG. 4 provided that the heat transfer fins 3 a zone (ie in a region in which the wall thickness and the distance of the heat transfer fins 3 does not change) from two, seen in the flow direction of the hot exhaust gas successively arranged sections 3.1, 3.2 are formed, wherein between the sections 3.1, 3.2 a gap is provided and the sections 3.1, 3.2 are preferably arranged with offset from one another.
- This proviso serves to swirl the flow in this zone to increase the heat transfer again.
- webs 3.3 are provided between the heat transfer rib 3, in particular in a central area of the hot gas flue 2, based on a flow of the hot exhaust gas. This proviso again serves to improve the heat transfer.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Geometry (AREA)
- Details Of Fluid Heaters (AREA)
- Incineration Of Waste (AREA)
Abstract
Die Erfindung betrifft ein Heizgerät, umfassend eine Brennkammer (1) und einen zur Führung von heißem, in der Brennkammer (1) erzeugtem Abgas ausgebildeten Heizgaszug (2), wobei dieser einen Eintrittsbereich (2.1) und einen Austrittsbereich (2.2) aufweist und mit der Brennkammer (1) über den Eintrittsbereich (2.1) verbunden ausgebildet ist und wobei im Heizgaszug (2) zur Wärmeübertragung vom heißen Abgas auf den Heizgaszug (2) zueinander beabstandete, eine Wandstärke aufweisende Wärmeübertragungsrippen (3) angeordnet sind. Nach der Erfindung ist vorgesehen, dass auf Seiten des Eintrittsbereichs (2.1) wahlweise die Wandstärke der Wärmeübertragungsrippen (3) und/oder die Abstände der Wärmeübertragungsrippen (3) zueinander größer als auf Seiten des Austrittsbereichs (2.2) ausgebildet sind.The invention relates to a heating device, comprising a combustion chamber (1) and a hot gas flue (2) designed to guide hot exhaust gas produced in the combustion chamber (1), the latter having an inlet region (2.1) and an outlet region (2.2) and having the Combustion chamber (1) via the inlet region (2.1) is formed connected and wherein in the heating flue (2) for heat transfer from the hot exhaust gas to the Heizgaszug (2) spaced apart, a wall thickness having heat transfer ribs (3) are arranged. According to the invention it is provided that on the side of the inlet region (2.1) optionally the wall thickness of the heat transfer ribs (3) and / or the distances of the heat transfer ribs (3) to each other are greater than on the side of the exit region (2.2).
Description
Die Erfindung betrifft ein Heizgerät gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a heater according to the preamble of patent claim 1.
Ein Heizgerät der eingangs genannten Art ist aus dem Patentdokument
Der Erfindung liegt die Aufgabe zugrunde, ein Heizgerät der eingangs genannten Art zu verbessern. Insbesondere soll ein Heizgerät mit einer weiter verbesserten Wärmeübertragung im Bereich des Heizgaszuges vom Abgas auf das Heizkreiswaser geschaffen werden.The invention has for its object to improve a heater of the type mentioned. In particular, a heater is to be created with a further improved heat transfer in the field of Heizgaszuges from the exhaust gas to the Heizkreiswaser.
Diese Aufgabe ist mit einem Heizgerät der eingangs genannten Art durch die im Kennzeichen des Patentanspruchs 1 aufgeführten Merkmale gelöst.This object is achieved with a heater of the type mentioned by the features listed in the characterizing part of claim 1.
Nach der Erfindung ist also vorgesehen, dass auf Seiten des Eintrittsbereichs wahlweise die Wandstärke der Wärmeübertragungsrippen und/oder die Abstände der Wärmeübertragungsrippen zueinander größer als auf Seiten des Austrittsbereichs ausgebildet sind.According to the invention, it is thus provided that, on the side of the inlet region, the wall thickness of the heat transfer ribs and / or the distances of the heat transfer ribs from one another are greater than those on the outlet region side.
Mit anderen Worten zeichnet sich die erfindungsgemäße Lösung somit dadurch aus, dass am Heizgaszug bauliche Maßnahmen ergriffen werden, die einer sich zwischen dem Eintritts- und Austrittsbereich abkühlenden Abgasströmung Rechnung tragen. Auf Seiten des Eintrittsbereichs, also dort wo die Temperatur des Abgases noch vergleichsweise hoch ist, wird dabei wahlweise eine dickwandigere Wärmeübertragungsrippe als am Austrittsbereich eingesetzt und/oder mit Blick auf das größere Gasvolumen bei höheren Temperaturen am Eintrittsbereich ein größerer Abstand zwischen den Wärmeübertragungsrippe als am Austrittsbereich gewählt. Diese Maßnahmen führen insbesondere in Kombination miteinander, was unten noch genauer erläutert wird, zu einem an die jeweilige Temperatur des sich im Heizgaszugverlauf abkühlenden Abgases optimal angepassten Heizgaszug.In other words, the solution according to the invention is thus characterized by the fact that structural measures are taken on the heating flue, which take into account a cooling off between the inlet and outlet area exhaust gas flow. On the side of the inlet region, ie where the temperature of the exhaust gas is still comparatively high, a thicker-walled heat transfer rib is optionally used than at the exit region and / or with regard to the larger gas volume at higher temperatures at the inlet region a greater distance between the heat transfer rib than at the exit region selected. These measures lead, in particular in combination with each other, which will be explained in more detail below, to a heating gas train optimally adapted to the respective temperature of the exhaust gas cooling down in the course of the heating gas flow.
Die bezüglich der Variation der Wandstärke auf der Hand liegende alternative Lösung, nämlich einfach seitens des Eintrittsbereichs ein temperaturbeständigeres Material als am Austrittsbereich vorzusehen, ist dabei für die Lösung der gestellten Aufgabe insofern nicht zielführend, als die Verarbeitung unterschiedlicher Materialen im Verlauf des Heizgaszuges aufwändig und absehbar mit Problemen wegen unterschiedlicher Wärmeausdehnungen der unterschiedlichen Materialen verbunden wäre.With respect to the variation of the wall thickness obvious alternative solution, namely simply provide a more temperature-resistant material than the exit area from the inlet area, is not effective for the solution of the problem insofar as the processing of different materials in the course of Heizgaszuges consuming and foreseeable would be associated with problems due to different thermal expansions of the different materials.
Andere vorteilhafte Weiterbildungen ergeben sich aus den abhängigen Patentansprüchen.Other advantageous developments emerge from the dependent claims.
Das erfindungsgemäße Heizgerät einschließlich seiner vorteilhaften Weiterbildungen gemäß der abhängigen Patentansprüche wird nachfolgend anhand der zeichnerischen Darstellung verschiedener Ausführungsbeispiele näher erläutert.The heater according to the invention including its advantageous developments according to the dependent claims will be explained in more detail with reference to the drawings of various embodiments.
Es zeigt
- Figur 1
- schematisch das erfindungsgemäße Heizgerät mit einer Brennkammer, mit vier von Heizkreiswasser umschlossenenen Heizgaszügen und mit einer Abgassammelkammer;
Figur 2- schematisch im Schnitt die vier Heizgaszüge gemäß
Figur 1 auf Höhe des Eintrittsbereiches (Schnitt A-A); Figur 3- schematisch im Schnitt die vier Heizgaszüge gemäß
Figur 1 auf Höhe des Austrittsbereiches (Schnitt B-B); Figur 4- perspektivisch einen zum besseren Verständnis halb geöffneten Heizgaszug mit insgesamt drei Zonen;
- Figur 5
- eine Ausschnittsvergrößerung zum Ausführungsbeispiel gemäß
; undFigur 4 - Figur 6
- ebenfalls vergrößert (und auch halb geöffnet) eine weitere Ausführungsform mit Stegen zwischen den eintrittsbereichsseitigen Wärmeübertragungsrippen.
- FIG. 1
- schematically the heater according to the invention with a combustion chamber, with four surrounded by Heizkreiswasser Heizgaszügen and with an exhaust gas collection chamber;
- FIG. 2
- schematically in section the four flues according to
FIG. 1 at the level of the entrance area (section AA); - FIG. 3
- schematically in section the four flues according to
FIG. 1 at the level of the exit area (section BB); - FIG. 4
- in perspective, for a better understanding half open Heizgaszug with a total of three zones;
- FIG. 5
- an enlarged detail of the embodiment according to
FIG. 4 ; and - FIG. 6
- also enlarged (and also half open) another embodiment with webs between the inlet region heat transfer ribs.
Das in den Figuren dargestellte Heizgerät besteht in an sich bekannter Weise aus einer Brennkammer 1 und einem zur Führung von heißem, in der Brennkammer 1 mit einem nicht extra dargestellten Brenner erzeugtem Abgas ausgebildeten Heizgaszug 2, wobei dieser einen Eintrittsbereich 2.1 und einen Austrittsbereich 2.2 aufweist und mit der Brennkammer 1 über den Eintrittsbereich 2.1 verbunden ausgebildet ist und wobei im Heizgaszug 2 zur Wärmeübertragung vom heißen Abgas auf den Heizgaszug 2 zueinander beabstandete, eine Wandstärke aufweisende Wärmeübertragungsrippen 3 aus einem metallischen Material angeordnet sind.The heater shown in the figures consists in a conventional manner of a combustion chamber 1 and a trained to guide hot, formed in the combustion chamber 1 with a not-shown burner
Wie beim eingangs genannten Stand der Technik ist auch beim erfindungsgemäßen Heizgerät, um eine ausreichende Abgasmenge aus der Brennkammer 1 abführen zu können, vorgesehen, dass die Brennkammer 1 mit mehreren (hier vier), parallel vom Abgas durchströmten Heizgaszügen 2 verbunden ausgebildet ist. Der Heizgaszug 2 selbst weist dabei eine (etwa) rechteckige Querschnittsfläche mit einer Länge und mit einer Breite auf, wobei die Länge einem Vielfachen der Breite entspricht.As in the prior art mentioned above, in the heater according to the invention, in order to be able to dissipate a sufficient amount of exhaust gas from the combustion chamber 1, it is provided that the combustion chamber 1 is connected to a plurality of (here four)
Außerdem ist in an sich bekannter Weise vorgesehen, dass der Heizgaszug 2 über den Austrittsbereich 2.2 mit einer Abgassammelkammer 4 verbunden ausgebildet ist. Dabei ist weiterhin die Brennkammer 1 oberhalb des Heizgaszuges 2 und dieser oberhalb der Abgassammelkammer 4 angeordnet. Die Abgassammelkammer 4 ist ihrerseits in bekannter Weise (und daher nicht extra dargestellt) mit einem Kamin eines Gebäudes oder dergleichen verbunden.In addition, it is provided in a conventional manner that the
Wesentlich für das erfindungsgemäße Heizgerät ist nun, dass auf Seiten des Eintrittsbereichs 2.1 wahlweise die Wandstärke der Wärmeübertragungsrippen 3 und/oder die Abstände der Wärmeübertragungsrippen 3 zueinander größer als auf Seiten des Austrittsbereichs 2.2 ausgebildet sind.Essential for the heater according to the invention is now that on the side of the inlet region 2.1 optionally the wall thickness of the
Wie eingangs erläutert, führen diese Maßgaben zu einem Heizgerät, bei dem einerseits die Wärmeübertragungsrippen 3 im Eintrittsbereich 2.1 den noch hohen Temperaturen des Abgases gut standhalten können und bei dem andererseits mit Hilfe von dünnwandigen Wärmeübertragungsrippen 3 im Austrittsbereich 2.2 für eine besonders gute wärmeübertragung gesorgt ist.As explained above, these provisos lead to a heater in which, on the one hand, the
In den Figuren ist dabei ein Heizgaszug 2 mit zwei verschiedenen Zonen dargestellt.
Wie ohne weiteres verständlich zeigen die
Wie der Vergleich der
Bezüglich der Dimensionierung der Bauteile des erfindungsgemäßen Heizgerätes, bei dem außerdem, wie oben bereits erwähnt, der Heizgaszug 2 einerseits vom Abgas durchströmt und andererseits von Wasser (insbesondere Heizkreiswasser) umgeben ausgebildet ist, ist ferner für eine besonders gute Wärmeübertragung bevorzugt vorgesehen, dass eine zwischen dem Abgas und dem Wasser angeordnete Wandung des Heizgaszuges 2 eine Wandstärke aufweist, die kleiner als die kleinste Wandstärke der Wärmeübertragungsrippe 3 ausgebildet ist. Hierzu ist weiterhin bevorzugt vorgesehen, dass die Wandung des Heizgaszuges 2 aus einem metallischen Blechmaterial gebildet ist.With regard to the dimensioning of the components of the heater according to the invention, in which also, as already mentioned above, the
Noch etwas genauer betrachtet, ist bei dem erfindungsgemäßen Heizgerät, bei dem außerdem eine Wandung des Heizgaszuges 2 und die Wärmeübertragungsrippen 3 als separate Bauteile ausgebildet sind, besonders bevorzugt vorgesehen, dass die Wärmeübertragungsrippen 3 als Abstützung der Wandung des Heizgaszuges 2 gegen den von außen anstehenden Wasserdruck ausgebildet sind.Considered in more detail, in the heater according to the invention, in which also a wall of the
Im Unterschied zum vorgenannten Stand der Technik ist darüber hinaus zur weiteren Verbesserung der Wärmeübertragung im Heizgaszug 2 für einen direkten Kontakt des Abgases mit einer Wandung des Heizgaszuges 2 ein von den Wärmeübertragungsrippen 3 freigelassener Wandbereich 2.4 am Heizgaszug 2 vorgesehen. Es gibt somit im Heizgaszug 2 einerseits direkt mit den Wärmeübertragungsrippen 3 in Kontakt stehende und diese abstützende Wandbereiche 2.5 und andererseits entsprechend frei gelassende Wandbereiche 2.4. Dabei sind, wie die Figuren zeigen, die Wärmeübertragungsrippen 3 vorzugsweise in ein- (siehe insbesondere
Da das erfindungsgemäße Heizgerät zur Erzielung eines hohen Wirkungsgrades als so genanntes Brennwertgerät betrieben werden soll, ist ferner besonders bevorzugt vorgesehen, dass der Heizgaszug 2 und/oder die Wärmeübertragungsrippen 3 aus einem einem aus dem Abgas resultierenden Kondensat widerstehenden Material gebildet ist bzw. sind.Since the heater according to the invention is to be operated as a so-called condensing boiler to achieve high efficiency, it is also particularly preferred that the Heizgaszug 2 and / or the
In den
Diese Maßgabe bringt den Vorteil mit sich, dass sich das heiße, insbesondere im Zentralbereich in den Heizgaszug einströmende Abgas zunächst etwas abkühlen kann, bevor es mit den Wärmeübertragungsrippe 3 in Kontakt kommt. Gleichzeitig ist aber durch die im weniger mit heißem Abgas beaufschlagten Randbereich etwas verlängerte Ausbildung der Wärmeübertragungsrippen 3 nach wie vor für eine ausreichende Abstützung der Wandung des Heizgaszuges 2 gesorgt.This proviso brings with it the advantage that the hot, in particular in the central region flowing into the Heizgaszug exhaust gas can first cool down a bit before it comes into contact with the
In
Außerdem ist beim Ausführungsbeispiel gemäß
Mit Verweis auf
- 11
- Brennkammercombustion chamber
- 22
- Heizgaszugheating gas
- 2.12.1
- Eintrittsbereichentry area
- 2.22.2
- Austrittsbereichexit area
- 2.32.3
- DurchlassflächePassage area
- 2.42.4
- Wandbereichwall area
- 2.52.5
- Wandbereichwall area
- 33
- WärmeübertragungsrippeHeat transfer fin
- 3.13.1
- Abschnittsection
- 3.23.2
- Abschnittsection
- 3.33.3
- Stegweb
- 44
- AbgassammelkammerExhaust gas collection chamber
Claims (10)
dadurch gekennzeichnet,
dass auf Seiten des Eintrittsbereichs (2.1) wahlweise die Wandstärke der Wärmeübertragungsrippen (3) und/oder die Abstände der Wärmeübertragungsrippen (3) zueinander größer als auf Seiten des Austrittsbereichs (2.2) ausgebildet sind.Heater, comprising a combustion chamber (1) and a hot gas flue (2) designed to guide hot exhaust gas produced in the combustion chamber (1), the latter having an inlet region (2.1) and an outlet region (2.2) and with the combustion chamber (1). is formed connected via the inlet region (2.1) and wherein in the hot gas flue (2) for heat transfer from the hot exhaust gas to the hot gas flue (2) spaced from each other, a wall thickness having heat transfer fins (3) are arranged,
characterized,
are that on the side of the entry region (2.1), optionally, the wall thickness of the heat transfer fins (3) and / or the distances of the heat transfer fins (3) is greater than each other formed on the side of the outlet region (2.2).
dadurch gekennzeichnet,
dass eine senkrecht zur Hauptströmungsrichtung des Abgases im Heizgaszug (2) orientierte Durchlassfläche (2.3) für das Abgas im Eintrittsbereich (2.1) größer als im Austrittsbereich (2.2) ausgebildet ist.Heater according to claim 1,
characterized,
that a perpendicular to the main flow direction of the exhaust gas in the heating gas flue (2) is oriented passage area (2.3) for the exhaust gas in the inlet region (2.1) is greater than in the outlet region (2.2).
dadurch gekennzeichnet,
dass die Wandstärke der Wärmeübertragungsrippe (3) mit zunehmendem Abstand von der Brennkammer (1) kleiner werdend ausgebildet ist.Heater according to claim 1 or 2,
characterized,
that the wall thickness of the heat transfer fin (3) with increasing distance from the combustion chamber (1) is smaller and smaller formed.
dadurch gekennzeichnet,
dass der Abstand zwischen den Wärmeübertragungsrippen (3) mit zunehmendem Abstand von der Brennkammer (1) kleiner werdend ausgebildet ist.Heater according to one of claims 1 to 3,
characterized,
that the distance between the heat transfer ribs (3) with increasing distance from the combustion chamber (1) is smaller and smaller formed.
dadurch gekennzeichnet,
dass eine zwischen dem Abgas und dem Wasser angeordnete Wandung des Heizgaszuges (2) eine Wandstärke aufweist, die kleiner als die kleinste Wandstärke der Wärmeübertragungsrippe (3) ausgebildet ist.Heater according to one of claims 1 to 4, wherein the heating gas flue (2) on the one hand flows through the exhaust gas and on the other hand is formed surrounded by water,
characterized,
that disposed between the exhaust gas and the water wall of the Heizgaszuges (2) has a wall thickness that is formed smaller than the smallest wall thickness of the heat transfer fin (3).
dadurch gekennzeichnet,
dass die Wärmeübertragungsrippen (3) als Abstützmittel zur Druckstabilisierung der Wandung des Heizgaszuges (2) ausgebildet sind.Heater according to one of claims 1 to 5, wherein a wall of the hot gas flue (2) and the heat transfer ribs (3) are formed as separate components,
characterized,
that the heat transfer ribs (3) are configured as support means for the wall of the pressure stabilization Heizgaszuges (2).
dadurch gekennzeichnet,
dass im Heizgaszug (2) für einen Kontakt des Abgases mit einer Wandung des Heizgaszuges (2) ein von den Wärmeübertragungsrippen (3) freigelassener Wandbereich (2.4) am Heizgaszug (2) vorgesehen ist.Heater according to one of claims 1 to 6,
characterized,
in that in the hot gas flue (2) for a contact of the exhaust gas with a wall of the hot gas flue (2) one of the heat transfer ribs (3) released wall region (2.4) on the hot gas flue (2) is provided.
dadurch gekennzeichnet,
dass der Heizgaszug (2) und/oder die Wärmeübertragungsrippen (3) aus einem einem aus dem Abgas resultierenden Kondensat widerstehenden Material gebildet ist bzw. sind.Heater according to one of claims 1 to 7,
characterized,
that the heating gas flue (2) and / or the heat transfer fins (3) of a one resulting from the exhaust gas condensate-resistant material is formed or are.
dadurch gekennzeichnet,
dass die Wärmeübertragungsrippen (3) in ein- oder mehrreihiger und vielfacher S-Form im Heizgaszug (2) angeordnet sind.Heater according to one of claims 1 to 8,
characterized,
that the heat transfer ribs (3) in single or multiple rows and multiple S-shape in the heating gas flue (2) are arranged.
dadurch gekennzeichnet,
dass der Heizgaszug (2) eine rechteckige Querschnittsfläche mit einer Länge und mit einer Breite aufweist, wobei die Länge vorzugsweise einem Vielfachen der Breite entspricht.Heater according to one of claims 1 to 9,
characterized,
that the heating gas flue (2) has a rectangular cross-sectional area having a length and a width, the length preferably corresponds to a multiple of the width.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL16168731T PL3096093T3 (en) | 2015-05-21 | 2016-05-09 | Heating device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015108059.1A DE102015108059A1 (en) | 2015-05-21 | 2015-05-21 | heater |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3096093A1 true EP3096093A1 (en) | 2016-11-23 |
EP3096093B1 EP3096093B1 (en) | 2019-08-07 |
Family
ID=56072213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16168731.4A Active EP3096093B1 (en) | 2015-05-21 | 2016-05-09 | Heating device |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3096093B1 (en) |
DE (1) | DE102015108059A1 (en) |
PL (1) | PL3096093T3 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112747332A (en) * | 2021-01-20 | 2021-05-04 | 河北艺能锅炉有限责任公司 | Novel low-nitrogen fuel gas molten salt heating device |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8323656U1 (en) * | 1983-08-17 | 1983-12-08 | Vießmann, Hans, Dr.h.c., 3559 Battenberg | HEAT EXCHANGER, ESPECIALLY ADDITIONAL HEATING AREA |
EP0632239A1 (en) | 1993-07-01 | 1995-01-04 | VIESSMANN WERKE GmbH & CO. | Hot gas passage |
EP0730127A1 (en) * | 1995-02-28 | 1996-09-04 | Dejatech B.V. | Heat exchanger having a universal combustion chamber and condensate discharge |
DE102007060508A1 (en) * | 2007-12-15 | 2009-06-18 | Robert Bosch Gmbh | Heat exchanger for a heater |
EP2863160A1 (en) * | 2013-10-18 | 2015-04-22 | Dejatech Holding B.V. | Heat exchanger, set and method for forming the same |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH111633A (en) * | 1924-11-18 | 1925-08-17 | Junkers Hugo | Heat exchange device. |
DE8601896U1 (en) * | 1986-01-25 | 1986-04-03 | Vießmann, Hans, Dr.h.c., 3559 Battenberg | Condensate boiler |
DE4412714A1 (en) * | 1994-04-13 | 1995-10-19 | Buderus Heiztechnik Gmbh | Water geyser with catalytic burner unit(s) in water chamber |
DE4421671A1 (en) * | 1994-06-23 | 1996-01-04 | Broetje August Gmbh & Co | Heat exchanger for gas=heated boiler |
-
2015
- 2015-05-21 DE DE102015108059.1A patent/DE102015108059A1/en not_active Withdrawn
-
2016
- 2016-05-09 PL PL16168731T patent/PL3096093T3/en unknown
- 2016-05-09 EP EP16168731.4A patent/EP3096093B1/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8323656U1 (en) * | 1983-08-17 | 1983-12-08 | Vießmann, Hans, Dr.h.c., 3559 Battenberg | HEAT EXCHANGER, ESPECIALLY ADDITIONAL HEATING AREA |
EP0632239A1 (en) | 1993-07-01 | 1995-01-04 | VIESSMANN WERKE GmbH & CO. | Hot gas passage |
EP0730127A1 (en) * | 1995-02-28 | 1996-09-04 | Dejatech B.V. | Heat exchanger having a universal combustion chamber and condensate discharge |
DE102007060508A1 (en) * | 2007-12-15 | 2009-06-18 | Robert Bosch Gmbh | Heat exchanger for a heater |
EP2863160A1 (en) * | 2013-10-18 | 2015-04-22 | Dejatech Holding B.V. | Heat exchanger, set and method for forming the same |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112747332A (en) * | 2021-01-20 | 2021-05-04 | 河北艺能锅炉有限责任公司 | Novel low-nitrogen fuel gas molten salt heating device |
Also Published As
Publication number | Publication date |
---|---|
DE102015108059A1 (en) | 2016-11-24 |
PL3096093T3 (en) | 2020-01-31 |
EP3096093B1 (en) | 2019-08-07 |
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