EP0954726B1 - Chaudiere avec elements echangeurs a debit thermoregule - Google Patents
Chaudiere avec elements echangeurs a debit thermoregule Download PDFInfo
- Publication number
- EP0954726B1 EP0954726B1 EP96937368A EP96937368A EP0954726B1 EP 0954726 B1 EP0954726 B1 EP 0954726B1 EP 96937368 A EP96937368 A EP 96937368A EP 96937368 A EP96937368 A EP 96937368A EP 0954726 B1 EP0954726 B1 EP 0954726B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- boiler
- heat exchanging
- heating body
- elements
- boiler according
- 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.)
- Expired - Lifetime
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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
- F24H9/00—Details
- F24H9/0005—Details for water heaters
- F24H9/0036—Dispositions against condensation of combustion products
-
- 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
- This form of conductive wall is generally complex so to provide a large exchange surface in a reduced volume.
- the first exchanger element "sees” all the combustion gases pass to their maximum temperature, the following exchanger element "sees” the gases at a lower temperature, (indeed, there was an exchange with the first element) and so on, the gas temperature decreases gradually with the passage of the different exchanger elements, up to the outlet of the heating body, towards the chimney.
- the heat exchanger bodies are increasingly designed to allow use in "very low temperatures", energy efficient configuration. This design allows with very low heating return and departure temperatures, avoid combustion gas condensation phenomena on the walls of the fireplace and thus reduce the risk of corrosion.
- the present invention allows, whatever the geometry of the exchanger (gas route and hydraulic route), home mode (blind, open), and regulation on the installation, to allow a optimum and uniform heat exchange on the exchanger (s) of the heater.
- the heating body consists of a juxtaposition of several exchanger elements and at least one of these exchangers, includes a thermostatic valve which regulates the flow of fluid circulating in the exchanger according to its own internal temperature.
- the heating body is consisting of several exchanger elements assembled by sleeves or niples, at least one of these niples has a thermostatic valve, not adjustable from the outside.
- At least one of the exchanger elements has a thermostatic valve centering device, shaped like a cavity or lug arranged on the internal wall of said exchanger element.
- each element output exchanger is equipped with a thermostatic valve, which valve can be controlled by a safety temperature contact.
- insulation is interposed between the heating body and the end walls, shaped of insulating joint, which joint is removable and not integral with one any of the building components of the boiler.
- the basic structure of the boiler has angle beams with uprights which allow the support of a domestic hot water tank for example. Which uprights can be added by fitting or fixing on the square beams.
- the starting manifold has a closable opening in its upper part which allows the filling from above, of the heating body only.
- At least one of the elements heat exchangers has a closable opening at its part upper allowing filling from above the heating body.
- FIG. 1 shows the boiler in section.
- Figure 2 shows an elevation, in section, of a mode of realization of the boiler.
- FIG. 3 shows the thermostatic valve inserted in the exchanger element.
- Figure 4 shows the boiler with the addition of a tank domestic hot water.
- FIG. 5 shows an alternative embodiment of the elements heat exchangers.
- FIG. 6 is a section along A-A of FIG. 5.
- Figure 1 shows a section along A-A of Figure 2.
- the body heater made up of exchanger elements 1 is placed on the circuit of the heat transfer fluid which comprises a low collector 3 and a high collector 4.
- a circulation pump is used to irrigate the circuit.
- the heater itself is made up of several heat exchanger elements 1 juxtaposed which are each connected by means of flexible 22 to the bottom 3 and top 4 collectors.
- the heating element is closed at its ends on one side by a wall 6 which carries the burner and, on the other side, by a wall 7 which has an opening for the exhaust of gases and fumes.
- the heating body consisting of the exchanger elements 1 and the end walls 6 and 7 are assembled together by means of tie rods 5 with interposition of insulation joints 2 between each of the walls and the ends of the heating body.
- FIG 3 shows the installation of a thermostatic valve 11 at level of the opening 10 of an exchanger element 1.
- This valve thermostatic 11 is held in place by a centering device 12, figure 3.1, lug or hole in the inner wall of the element exchanger.
- the hose 22 or its nut abuts on the valve 11 and the keeps in place.
- the heat transfer fluid is cold.
- the boiler thermostat requests rise in fluid temperature by authorizing the burner to operate.
- the self-regulating thermostatic valve or valves 11 are closed because the temperature of the fluid in the exchanger element concerned is, at the start, lower than the preprogrammed opening setpoint said thermostatic valves.
- the heat transfer fluid As soon as the heat transfer fluid, under the influence of the burner, reaches the set temperature for opening the valves 11, the fluid, under the circulation pump pressure, begins to circulate in the boiler and irrigates gradually and not necessarily simultaneously, the heat exchanger elements 1.
- each of the valves 11 opens and thus allows a flow rate suitable for local heat exchange in all elements exchangers 1 equipped with said thermostatic valve.
- a variant consists in giving a priority exchange scale to the exchanger elements by equipping them with thermostatic valves 11 with different setpoints (for example, one opens at 60 °, another at 65 °, etc ).
- One of the heat exchanger elements 1 d may not include thermostatic valves. This configuration makes it possible to maintain minimum circulation in the installation and prevents deterioration of the circulator. Likewise, this makes it possible to operate the last exchanger 1 d in condenser mode if the heating return temperatures are below the dew point; the condensates are collected in the casing 20 (FIG. 5) and discharged through an orifice 19.
- the boiler outlet temperature changes within a range temperature range, from the heating circuit return temperature to the weighted average temperature corresponding to the temperature opening the thermostatic valves 11.
- all the exchanger elements 1 of the heating elements can be fitted with thermostatic valves; the heating body, between the return manifolds 3 and departure 4, a pipe 26 flexible or not, forming a dual pass included in the construction of the boiler. This configuration allows operation at very low temperature.
- the heating body consists traditional exchanger elements 1 (FIG. 5) connected together by sleeves or niples 13 which provide the hydraulic connection from one to the other elements 1.
- the heating body is closed by means of the casing tubular 20 consisting of two half-shells and end walls 6 and 7 which are assembled by tie rods 5.
- a thermostatic valve 11 can be installed in one of the niples 13, preferably on the course of start, thus allowing the timing of the irrigation of the elements concerned.
- Boiler return and departure include isolation valves 16 and 17, FIG. 2, which make it possible to practice by means of a tap 18, emptying the boiler, without having to drain the entire installation.
- Valves 16 and 17 are useful for frost prevention. Indeed, the outlet manifold 4 of the boiler has an opening 15 to which a plug or air vent is detachably attached automatic.
- a plug or air vent is detachably attached automatic.
- valves 16 and 17 It is also possible, due to the possibility of isolating the boiler by valves 16 and 17, to fill the heating body with opening 15, the water descending into the bottom collector 3.
- a safety thermal switch 14 at the departure right of heat exchanger elements 1, in the event of element failure thermoformable. A leak rate exists to avoid the formation of air pockets in the element.
- Another feature of this boiler is to include insulating seals 2 at the end of the course, removable, and not integral with any of the components of the boiler.
- This solution allows a quick change of the insulating joint 2 when it is damaged.
- the insulating joints 2 are tightened between each wall 6, 7, and the ends of the exchanger elements 1 constituting the heating body, tightening the tie rods 5 which also ensures the tightness of the smoke circuit.
- the tie rods 5 can support the exchanger elements 1 by means of hooks 18 ( Figure 1). These insulating joints 2 can be simply supported by tie rods 5 located in the lower part ( Figure 4.1).
- This boiler has the particularity, apart from its multiples construction arrangements, to be able to receive (FIG. 4) a balloon domestic hot water 23 placed above the heating body, without rest on it.
- an advantageous construction method by fitting the boiler on the basis of two angle beams 24, allows to hang a wall balloon 23 (standard or not), on the vertical uprights 25 associated with angle beams 24 which can be telescopic.
- This feature makes it possible to fix above the boiler, and not on a wall, an electric sanitary hot water tank (or bi-energy), which saves space in the boiler room and provides product standardization.
- the angle beams 24 also allow the maintenance of the bottom plate 7 and, by fitting a tube 25 (preferably square) the support for the domestic hot water tank 23.
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)
- Steam Or Hot-Water Central Heating Systems (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
- Air Supply (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Temperature-Responsive Valves (AREA)
Description
- le brûleur ou foyer, dont la fonction est de produire une flamme à partir d'un combustible,
- le corps échangeur, dont la fonction est de permettre l'échange thermique et la flamme de combustion, avec le fluide caloporteur (souvent de l'eau) à chauffer, et ceci par l'intermédiaire d'une paroi conductrice de la chaleur de forme variable selon les types d'échangeurs.
- procéder à un démarrage de la pompe de circulation chauffage dès que la température du foyer a atteint une température de consigne (en fait, l'eau ne circule pas dans l'échangeur tant que la température de celui-ci est trop basse, c'est-à-dire que l'eau est froide),
- prévoir une conception du corps de chauffe avec un circuit interne en thermosiphon,
- prévoir la présence d'un clapet thermostatique dans le corps de chauffe (en général dans les corps de chauffe uniques en acier ou fonte),
- prévoir un échange thermique qui est fonction du contact entre les parois qui se dilatent etc...).
le support du ballon d'eau chaude sanitaire 23.
Claims (9)
- Chaudière à circulation de fluide et à carburant liquide, gazeux, solide ou énergie électrique et telle que le corps de chauffe est constitué d'une juxtaposition de plusieurs éléments échangeurs, lequel corps de chauffe est obturé à ses extrémités, d'un côté par une paroi (6) qui porte le brûleur et, de l'autre côté, par une paroi (7) qui comporte une ouverture pour l'échappement des gaz et des fumées, lesdits éléments échangeurs (1) étant agencés pour que les gaz de combustion issus du brûleur passent à travers les éléments échangeurs (1) jusqu'à l'ouverture d'échappement des fumées, caractérisée en ce que l'un au moins de ces éléments échangeurs (1) comporte un clapet (11) thermostatique qui régule le débit de fluide en fonction de la propre température interne desdits éléments échangeurs.
- Chaudière selon la revendication 1, et telle que le corps de chauffe est constitué par plusieurs éléments échangeurs assemblés par niples (13), caractérisée en ce que l'une au moins de ces niples (13) comporte un clapet (11) thermostatique, non réglable de l'extérieur.
- Chaudière selon l'une quelconque des revendications 1 ou 2, caractérisée en ce que au moins un élément échangeur possède un dispositif de centrage de l'élément thermostatique (11), dispositif réalisé par cavité ou ergot (12) sur la paroi intérieure dudit l'élément échangeur.
- Chaudière selon l'une quelconque des revendications 1 à 3, caractérisée en ce que chaque sortie d'élément échangeur équipé d'un clapet thermostatique (11) peut être contrôlée par un contact à température de sécurité (14).
- Chaudière selon l'une quelconque des revendications 1 à 4, possédant une isolation thermique entre le corps de chauffe et les parois extrêmes, caractérisée en ce qu'elle comporte un joint isolant (2) amovible, et non solidaire de l'un quelconque des éléments de construction de la chaudière.
- Chaudière selon l'une quelconque des revendications 1 à 5,
caractérisée en ce qu'elle repose sur deux poutres-équerres (24) qui permettent le soutien d'un ballon (23) d'eau chaude sanitaire. - Chaudière selon la revendication 6, caractérisée en ce que les montants (25) supports du ballon peuvent être rapportés par emboítement ou fixation sur les poutres équerres (24) existantes.
- Chaudière selon l'une quelconque des revendications 1 à 7, caractérisée en ce que le collecteur départ (4) possède une ouverture obturable (15) sur sa partie supérieure, permettant le remplissage par le dessus du corps de chauffe, après fermeture des robinets d'isolement (16, 17).
- Chaudière selon l'une quelconque des revendications 1 à 7, caractérisée en ce que l'un au moins des éléments échangeurs possède une ouverture (15) obturable sur sa partie supérieure, permettant le remplissage par le dessus du corps de chauffe, après fermeture des robinets d'isolement (16, 17).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/FR1996/001707 WO1998019114A1 (fr) | 1996-10-30 | 1996-10-30 | Chaudiere avec elements echangeurs a debit thermoregule |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0954726A1 EP0954726A1 (fr) | 1999-11-10 |
EP0954726B1 true EP0954726B1 (fr) | 2002-01-23 |
Family
ID=9489105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96937368A Expired - Lifetime EP0954726B1 (fr) | 1996-10-30 | 1996-10-30 | Chaudiere avec elements echangeurs a debit thermoregule |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0954726B1 (fr) |
AT (1) | ATE212431T1 (fr) |
AU (1) | AU7499196A (fr) |
DE (1) | DE69618825T2 (fr) |
WO (1) | WO1998019114A1 (fr) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE581367C (de) * | 1932-10-01 | 1933-07-26 | Fritz Umbehauer | Gliederkessel mit Vorrichtung zur Herbeifuehrung unterschiedlicher Temperaturen in den Kesselteilen |
DE2948838A1 (de) * | 1979-12-05 | 1981-06-11 | Wilhelm Dipl.-Ing. 8114 Uffing Schirmer | Heizkessel |
FR2711776B1 (fr) * | 1993-10-27 | 1996-03-22 | Eric Vincent | Chaudière à éléments démontables. |
-
1996
- 1996-10-30 DE DE69618825T patent/DE69618825T2/de not_active Expired - Fee Related
- 1996-10-30 AT AT96937368T patent/ATE212431T1/de not_active IP Right Cessation
- 1996-10-30 AU AU74991/96A patent/AU7499196A/en not_active Abandoned
- 1996-10-30 WO PCT/FR1996/001707 patent/WO1998019114A1/fr active IP Right Grant
- 1996-10-30 EP EP96937368A patent/EP0954726B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69618825T2 (de) | 2002-11-14 |
WO1998019114A1 (fr) | 1998-05-07 |
EP0954726A1 (fr) | 1999-11-10 |
ATE212431T1 (de) | 2002-02-15 |
DE69618825D1 (de) | 2002-03-14 |
AU7499196A (en) | 1998-05-22 |
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