FR2524123A1 - Dual element, dual zone electric water heater - uses single water reservoir divided into two connected zones each with their own electric heating element - Google Patents
Dual element, dual zone electric water heater - uses single water reservoir divided into two connected zones each with their own electric heating element Download PDFInfo
- Publication number
- FR2524123A1 FR2524123A1 FR8205359A FR8205359A FR2524123A1 FR 2524123 A1 FR2524123 A1 FR 2524123A1 FR 8205359 A FR8205359 A FR 8205359A FR 8205359 A FR8205359 A FR 8205359A FR 2524123 A1 FR2524123 A1 FR 2524123A1
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- FR
- France
- Prior art keywords
- tank
- heating
- dual
- partition
- boiler
- 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
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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
- 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
- F24H1/225—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating electrical central heating boilers
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- 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)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
Description
L'invention se rapporte à une chaudière électrique destinée notamment au chauffage d'un fluide caloporveur sel de l'eau. The invention relates to an electric boiler intended in particular for heating a heat-transfer fluid salt of water.
Les premières chaudières électriques comprenaient, raccordé à un circuit de départ et à un circuit de retour, un réservoir empli d'un fluide dans lequel plonge un élément chauffant tel une résistance électrique enrobée. The first electric boilers included, connected to a flow circuit and a return circuit, a tank filled with a fluid in which immersed a heating element such as a coated electrical resistance.
Quant à leur présentation, les chaudières électriques tendent à être de plus en plus petites afin que chacune d'elles puisse s insérer facilement dans une armoire trouvant par exemple sa place parmi les éléments bas d'une cuisine (brevet français-A-1.195.607). As for their presentation, electric boilers tend to be smaller and smaller so that each of them can be easily inserted in a cabinet finding, for example, its place among the bottom elements of a kitchen (French patent-A-1,195. 607).
Afin d'augmenter le rendement de la chaudière, il est connu tant de prévoir dans le réservoir des chicanes freinant l'écoulement et prolongeant donc l'échange que d'y faire plonger au moins un élément chauffant supplémentaire (brevets français A-2.082.858 et A-2.138.570). In order to increase the efficiency of the boiler, it is known both to provide in the tank baffles slowing the flow and thus prolonging the exchange, than to immerse at least one additional heating element therein (French patents A-2,082. 858 and A-2.138.570).
Dans un but semblable, il est par ailleurs connu d'adjoindre au réservoir chauffant un réservoir tampon et d'établir un circuit entre ces deux réservoirs (brevet français A-1.195.607) voire même de placer un élément chauffant dans le réservoir tampon (brevet anglais A-1.358.166). For a similar purpose, it is also known to add a buffer tank to the heating tank and to establish a circuit between these two tanks (French patent A-1,195,607) or even to place a heating element in the buffer tank ( English patent A-1,358,166).
Un résultat que l'invention vise à obtenir est une chaudière du type cité plus haut, à haut rendement, sans pour autant nécessiter un chicanage complexe et/ou l'adjonction d'un réservoir supplémentaire qui augmenterait sensiblement le prix de revient. A result which the invention aims to obtain is a boiler of the type mentioned above, with high efficiency, without requiring a complex baffling and / or the addition of an additional tank which would significantly increase the cost price.
A cet effet, elle a pour objet une telle chaudière notamment caractérisée en ce que, d'une part, les raccords de branchement aux circuits de départ et de retour de l'installation de chauffage sont situés tous deux à la même extrémité du réservoir et, d'autre part, entre les ensembles chauffants des parties inférieure et supérieure du réservoir est interposée une cloison qui scinde le réservoir en deux parties ne communiquant entre elles que par un passage situé à l'extrémité opposée à celle présentant les susdits raccords. To this end, it relates to such a boiler, in particular characterized in that, on the one hand, the connections for connection to the flow and return circuits of the heating installation are both located at the same end of the tank and , on the other hand, between the heating assemblies of the lower and upper parts of the tank is interposed a partition which splits the tank into two parts communicating with each other only by a passage located at the end opposite to that having the above-mentioned fittings.
L'invention sera bien comprise à l'aide de la des cription ci-après faite, à titre d'exemple non limitatif, en regard du dessin ci-annexé, qui représente schématiquement
- figure 1 : la chaudière vue de face,
- figure 2 : la chaudière vue de profil,
- figure 3 : la chaudière vue de dessus.The invention will be clearly understood with the aid of the description below, given by way of non-limiting example, with reference to the attached drawing, which schematically represents
- Figure 1: the boiler viewed from the front,
- Figure 2: the boiler seen in profile,
- Figure 3: the boiler seen from above.
En se reportant au dessin, on voit que la chaudière comprend un bâti 1 supportant un réservoir 2 empli d'eau dans laquelle plongent au moins deux ensembles chauffants 3, 4. Referring to the drawing, it can be seen that the boiler comprises a frame 1 supporting a tank 2 filled with water in which at least two heating assemblies 3, 4 are immersed.
Le réservoir porte, à sa partie supérieure, un raccord 5 pour son branchement sur le circuit de départ de l'installation de chauffage (non représentée) et, à sa base, un raccord 6 pour son branchement sur le circuit de retour de cette installation. The tank carries, at its upper part, a connection 5 for its connection to the flow circuit of the heating installation (not shown) and, at its base, a connection 6 for its connection to the return circuit of this installation .
Il comporte également tout raccord 7 nécessaire pour le branchement d'organes de contrôle et de sécurité tels un aquastat, un thermomètre, un manomètre, une soupape,
Chaque ensemble chauffant consiste en au moins un élément thermoplongeur d'axe sensiblement horizontal pénétrant dans la chaudière par un orifice de la face avant 8 du réservoir 2 sur laquelle face, cet élément est ensuite fixé par exemple par vissage de sa collerette 9.It also includes any connection 7 necessary for the connection of control and safety devices such as an aquastat, a thermometer, a pressure gauge, a valve,
Each heating assembly consists of at least one immersion heater element with a substantially horizontal axis entering the boiler through an orifice in the front face 8 of the tank 2 on which face, this element is then fixed, for example by screwing on its flange 9.
Le réservoir aura de préférence une faible capacité et par- exemple, pour des chaudières de neuf à dix huit kilowatts, de vingt cinq à quarante litres afin de conserver un encombrement le plus faible possible en vue de permettre, après son isolation et avec ses canalisations et son vase d'expansion, son rangement dans une armoire 10 s'intégrant facilement dans les pièces d'une habitation, par exemple, parmi les éléments bas d'une cuisine. The tank will preferably have a low capacity and for example, for boilers from nine to eighteen kilowatts, from twenty five to forty liters in order to keep the footprint as small as possible in order to allow, after its insulation and with its pipes and its expansion vessel, its storage in a cabinet 10 which can easily be integrated into the rooms of a dwelling, for example, among the bottom elements of a kitchen.
La table supérieure 11 de cette armoire pourra alors servir de plan de travail et/ou loger un accessoire tel une plaque chauffante, puisant son énergie dans la chaudière ou dans une source extérieure. The upper table 11 of this cabinet can then serve as a work plan and / or accommodate an accessory such as a hot plate, drawing its energy from the boiler or from an external source.
Le réservoir sera par exemple formé par une virole de diamètre intérieur de trois cent dix millimètres constituée dans une tole d'acier de quatre millimètres d'épaisseur et fermée par soudure à ses extrémités avant et arrière de fonds 8, 12. The reservoir will for example be formed by a ferrule with an inside diameter of three hundred and ten millimeters made up of a steel sheet four millimeters thick and closed by welding at its front and rear ends of bottoms 8, 12.
Dans le cas d'une chaudière de vingt huit ou trente six litres, la longueur du réservoir varierait par exemple de trois cent soixante à quatre cent soixante dix millimètres selon donc la capacité choisie mais aussi selon la longueur des ensembles chauffants 3, 4. In the case of a twenty eight or thirty six liter boiler, the length of the tank would vary for example from three hundred sixty to four hundred seventy millimeters, therefore depending on the capacity chosen, but also according to the length of the heating assemblies 3, 4.
Les ensembles chauffants sont situés l'un 3 dans la partie supérieure, l'autre 4 dans la partie inférieure du réservoir 2. The heating assemblies are located one 3 in the upper part, the other 4 in the lower part of the tank 2.
C'est dans le cas où l'on veut augmenter la puissance de la chaudière qu'un ensemble chauffant comprendra plusieurs éléments thermoplongeurs. It is in the case where it is desired to increase the power of the boiler that a heating assembly will comprise several immersion heating elements.
Ce sera alors de préférence le cas de l'ensemble situé dans la partie inférieure du réservoir. This will then preferably be the case for the assembly located in the lower part of the tank.
Selon une caractéristique de l'invention, d'une part, les raccords 5, 6 de branchement aux circuits de départ et de retour de l'installation de chauffage sont situés tous deux à la même extrémité du réservoir et, d'autre part, entre les ensembles chauffants des parties inférieure et supérieure du réservoir est interposée une cloison 13 qui scinde le réservoir en deux parties 14, 15 ne communiquant entre elles que par un passage 16 situé à l'extrémité opposée à celle présentant les susdits raccords 5, 6. According to a characteristic of the invention, on the one hand, the connections 5, 6 for connection to the flow and return circuits of the heating installation are both located at the same end of the tank and, on the other hand, between the heating assemblies of the lower and upper parts of the tank is interposed a partition 13 which divides the tank into two parts 14, 15 communicating with each other only by a passage 16 situated at the end opposite to that having the above-mentioned connections 5, 6 .
Afin de créer ce passage 16, la cloison 13 pourra avantageusement être interrompue à une distance D d'environ douze millimètres avant la face interne de l'extrémité correspondante. In order to create this passage 16, the partition 13 may advantageously be interrupted at a distance D of approximately twelve millimeters before the internal face of the corresponding end.
Cette cloison consistera par exemple en une tôle de trois millimètres d'épaisseur. This partition will for example consist of a sheet three millimeters thick.
Selon une autre caractéristique de l'invention, la cloison est cintrée et a sa concavité tournée vers la partie inférieure du réservoir. According to another characteristic of the invention, the partition is curved and has its concavity turned towards the lower part of the tank.
Elle tend à entourer l'ensemble chauffant inférieur 4 et à dévier vers celui-ci le fluide caloporteur 17 qui rencontre cette paroi après être entré à la base du réservoir et avoir déjà traversé une première fois l'ensemble chauffant. It tends to surround the lower heating assembly 4 and deflect towards it the heat transfer fluid 17 which meets this wall after entering the base of the tank and having already passed through the heating assembly for the first time.
Dans cette partie inférieure du réservoir, l'échange thermique entre l'ensemble chauffant et le fluide est donc grandement amélioré. In this lower part of the tank, the heat exchange between the heating assembly and the fluid is therefore greatly improved.
Après cet échange, le fluide franchira le passage vers la partie supérieure du réservoir où il suivra tout l'ensemble chauffant 3 correspondant et sera donc encore chauffé avant de parvenir au raccord de départ. After this exchange, the fluid will cross the passage towards the upper part of the tank where it will follow all the corresponding heating assembly 3 and will therefore be further heated before reaching the starting connection.
La chaudière comprend évidemment, en outre , les moyens en vue de sa commande et de la régulation de son fonctionnement. The boiler obviously also comprises the means for controlling it and regulating its operation.
Dans une autre variante de réalisation, la cloison pourra être perforée. In another alternative embodiment, the partition may be perforated.
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8205359A FR2524123B1 (en) | 1982-03-25 | 1982-03-25 | ELECTRIC BOILER |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8205359A FR2524123B1 (en) | 1982-03-25 | 1982-03-25 | ELECTRIC BOILER |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2524123A1 true FR2524123A1 (en) | 1983-09-30 |
FR2524123B1 FR2524123B1 (en) | 1987-01-16 |
Family
ID=9272519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8205359A Expired FR2524123B1 (en) | 1982-03-25 | 1982-03-25 | ELECTRIC BOILER |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2524123B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4757182A (en) * | 1987-06-05 | 1988-07-12 | Fawn Engineering Corp. | Electric water heater for vending machines |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1078589A (en) * | 1953-04-01 | 1954-11-19 | Electric boiler for central heating | |
US3353000A (en) * | 1965-03-02 | 1967-11-14 | Wei Mclain Company Inc | Cast vessel for an electric hot water heating boiler |
-
1982
- 1982-03-25 FR FR8205359A patent/FR2524123B1/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1078589A (en) * | 1953-04-01 | 1954-11-19 | Electric boiler for central heating | |
US3353000A (en) * | 1965-03-02 | 1967-11-14 | Wei Mclain Company Inc | Cast vessel for an electric hot water heating boiler |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4757182A (en) * | 1987-06-05 | 1988-07-12 | Fawn Engineering Corp. | Electric water heater for vending machines |
Also Published As
Publication number | Publication date |
---|---|
FR2524123B1 (en) | 1987-01-16 |
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ST | Notification of lapse |