EP1032793A1 - Appareil a fonctionnement en continu a faible volume pour le rechauffage d'eau potable - Google Patents
Appareil a fonctionnement en continu a faible volume pour le rechauffage d'eau potableInfo
- Publication number
- EP1032793A1 EP1032793A1 EP99955689A EP99955689A EP1032793A1 EP 1032793 A1 EP1032793 A1 EP 1032793A1 EP 99955689 A EP99955689 A EP 99955689A EP 99955689 A EP99955689 A EP 99955689A EP 1032793 A1 EP1032793 A1 EP 1032793A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- container
- flow device
- heating
- continuous flow
- water
- 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
Classifications
-
- 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
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
- F28D9/0043—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
- F28D9/005—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another the plates having openings therein for both heat-exchange media
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/08—Hot-water central heating systems in combination with systems for domestic hot-water supply
- F24D3/087—Tap water heat exchangers specially adapted therefore
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
Definitions
- the invention relates to a flow device with a small volume for heating drinking water, in particular for installation in and for the connection with gas flow heaters, according to the preamble of patent claim 1.
- Continuous flow devices of the type mentioned are well known and in use. It is also known to combine such flow devices with gas flow heaters (see, for example, EP-A-0427121 A2) or to connect them hydraulically.
- a disadvantage of such combination water heaters, to which a heating circuit is usually also connected, is that after tapping the amount of drinking water stored in the relatively small volume, a noticeable "sagging" of the hot water outlet temperature can be observed, that is, in certain operating states (e.g. sliding mode of operation) - Summer mode), the heating water temperature required for convenient hot water heating is not available at the start of the tap.
- the invention is therefore based on the object of creating a continuous flow device which does not have this disadvantage, ie, starting from a flow-through device of the type mentioned at the outset, it should be redesigned and improved in a simple manner with a compact design such that the so-called "sagging" the hot water outlet temperature is avoided or at least significantly reduced.
- This design according to the invention means that the hot water outlet-side container part with high efficiency with respect to heat transfer and the cold water inflow-side container part as a "storage part" with lower efficiency
- ERSA ⁇ ZBI ⁇ T (RULE 26) tet, whereby with a generally relatively small total hydraulic volume of the flow device, the entire drinking water side content with max. 3 dr. Is dimensioned and distributed so that the "storage part” can hold a larger volume of drinking water than the hot water outflow side of the container. This division is then sufficient to bridge the "dead time" when tapping, which, as mentioned, arises if the required heating water temperature is not immediately available.
- This solution according to the invention is therefore not limited to measures known in terms of regulation and control technology for the convenient provision of process water in the above sense (see also EP-A-0427121 A2), but also starts with the corresponding design of the flow device itself, ie from time to time the larger part of the storage volume is kept at "standby temperature” by supplying heat.
- the higher efficiency in the hot water outflow side of the tank part is achieved on the one hand by special design of the partitions and thus the width of the gap spaces and on the other hand preferably in connection with a countercurrent flow in this tank part, which will be explained in more detail.
- Figure 1 is a perspective and schematic of the internal breakdown of the flow device through partitions including the preferred flow guides.
- FIG. 2 schematically shows the circuit diagram of the flow-through device in a preferred embodiment with all connections arranged on one side;
- Figure 3 shows in section a part of the container with a special embodiment of the partitions.
- 3B shows in perspective the preferred embodiment of the partition walls
- Fig. 4 is a perspective view of the flow device in external view
- FIG. 5 shows the circuit diagram of the flow-through device in connection with a heat generator and associated heating circuit.
- Fig. 5 are a heat generator (gas flow heater) with WE, the heating circuit connected to this with HK and the flow device combined with a compact construction unit from the two container parts 1 ', 1' 'with DG.
- the container part 1 'on the hot water outflow side is dimensioned with a smaller volume
- Cold water inlet and hot water outlet connections 2, 3 and also the heating water supply and return connections 4, 5 are arranged on the respective other container part 1 ', 1''and both container parts, combined to form container 1, are formed by partition walls 6 as plate heat exchangers and the partition walls 6 alternating drinking water and heating water guiding gap spaces 7, 8, each of which are connected to one another in such a way that a cocurrent and / or countercurrent circuit relating to the container parts 1 ', 1''. of the two flow media is present.
- the partitions 6 are shown as extremely distant from one another only for reasons of clarity, that is to say the partitions 6 delimiting the gap spaces 7, 8 have a distance of the order of magnitude of only approximately 2-10 mm, the gap spaces 7 , 8, in contrast to the illustration in FIG. 1, are kept narrower in the container part 1 'than in the other container part 1' '.
- the gap spaces 7, 8 including the deflection chamber 9 naturally closed, as can be seen in FIG. 4.
- the heating water flow is dash-dotted and the drinking water flow is dashed and each illustrated with directional arrows, which, which requires no further explanation due to the directional arrows, is the preferred connection of the gap spaces 7, 8, namely direct current in the container part 1 ′′ and counterflow in Container part 1 '.
- ERS ⁇ BL ⁇ T RULE 26 2 are the heating back. HR and the cold water supply KW are arranged on the same side as the heating flow HV and the hot water discharge on the flow device in order to get more convenient connection options, as mentioned in the introduction. 1, it would also be possible, if necessary with the interposition of a further deflection chamber, to bend the container part 1 '' to a certain extent by 180 ° in order to bring the connections 2 and 5 to the same side as the connections 3 and 4.
- gap spaces 7 or 8 can also be realized by individually prefabricated, known pockets T (see FIG. 3A), between which the respective other gap spaces are located (overflow or throughflow channels 6 ′′ are shown in FIG 3 A, not shown), an embodiment of the flow device according to FIG. 3 can also be provided, according to which the partition walls 6 in the form of shells 6 'with overflow channels 6 "which pass through the gap spaces 7, 8 and the insertion openings 6' '' which are aligned with them. formed in the adjacent partition 6 and these partitions 6 are stacked together with their shell edges 10 at all joints 13 in a liquid-tight manner (for example by soldering).
- partition walls 6 For the partition walls 6 or the design of the entire flow device, however, partition walls 6 according to FIG. 3B are preferred, which are known per se, but given particular importance in view of the compact design and the narrow installation conditions in a gas water heater.
- the partition walls 6 are also designed in the form of shells 6 'and are provided with in the region of their overflow openings 10 with embossed-free, oppositely directed connection surfaces 11, in which case here also all joints 13 are connected to one another in a liquid-tight manner. This solder connection takes place in a special way in such a way that between the shells 6 'made of thin
- Shells 6 'or partitions 6 to be designed so that, where necessary, they each have three overflow openings at the top and bottom.
- the partitions 6 in the smaller container part 1 ' have a greater heat transfer than that in the larger container part 1''
- this is, apart from possible choice of material with greater thermal conductivity, preferably achieved in that at least those arranged in the container part 1' Partitions 6 with embossing enlarging the heat exchange surfaces, such as rib, cross rib, knob embossing or the like. are provided. Since such embossments on heat exchangers and also in general in boiler construction are known, this is not shown here in particular.
- rib embossings (not particularly shown) with a small embossing depth leading to a smaller gap width are provided, and those with a larger embossing depth in the container part 1' '.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Water Supply & Treatment (AREA)
- Devices For Dispensing Beverages (AREA)
- Details Of Fluid Heaters (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
- Cookers (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19842613 | 1998-09-17 | ||
DE19842613A DE19842613C1 (de) | 1998-09-17 | 1998-09-17 | Durchlaufgerät mit kleinem Volumen zur Trinkwassererwärmung |
PCT/DE1999/002909 WO2000016011A1 (fr) | 1998-09-17 | 1999-09-15 | Appareil a fonctionnement en continu a faible volume pour le rechauffage d'eau potable |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1032793A1 true EP1032793A1 (fr) | 2000-09-06 |
EP1032793B1 EP1032793B1 (fr) | 2003-08-20 |
Family
ID=7881288
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99955689A Expired - Lifetime EP1032793B1 (fr) | 1998-09-17 | 1999-09-15 | Appareil a fonctionnement en continu a faible volume pour le rechauffage d'eau potable |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1032793B1 (fr) |
AT (1) | ATE247805T1 (fr) |
DE (2) | DE19842613C1 (fr) |
ES (1) | ES2201799T3 (fr) |
TR (1) | TR200001381T1 (fr) |
WO (1) | WO2000016011A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007028656B4 (de) * | 2007-06-21 | 2013-08-14 | Robert Bosch Gmbh | Warmwasserbereiter |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE439874A (fr) * | ||||
AT394771B (de) * | 1989-11-07 | 1992-06-25 | Vaillant Gmbh | Verfahren und einrichtung zur durchfuehrung des verfahrens zum sofortigen zapfen von warmem brauchwasser |
SE502254C2 (sv) * | 1990-12-17 | 1995-09-25 | Alfa Laval Thermal Ab | Plattvärmeväxlare och förfarande för framställning av en plattvärmeväxlare |
-
1998
- 1998-09-17 DE DE19842613A patent/DE19842613C1/de not_active Expired - Fee Related
-
1999
- 1999-09-15 WO PCT/DE1999/002909 patent/WO2000016011A1/fr active IP Right Grant
- 1999-09-15 AT AT99955689T patent/ATE247805T1/de not_active IP Right Cessation
- 1999-09-15 EP EP99955689A patent/EP1032793B1/fr not_active Expired - Lifetime
- 1999-09-15 TR TR2000/01381T patent/TR200001381T1/xx unknown
- 1999-09-15 ES ES99955689T patent/ES2201799T3/es not_active Expired - Lifetime
- 1999-09-15 DE DE59906672T patent/DE59906672D1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO0016011A1 * |
Also Published As
Publication number | Publication date |
---|---|
TR200001381T1 (tr) | 2001-01-22 |
DE59906672D1 (de) | 2003-09-25 |
ATE247805T1 (de) | 2003-09-15 |
EP1032793B1 (fr) | 2003-08-20 |
ES2201799T3 (es) | 2004-03-16 |
WO2000016011A1 (fr) | 2000-03-23 |
DE19842613C1 (de) | 2000-02-10 |
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