EP0784191B1 - Einrichtung zum Erhitzen von umlaufendem Heizungswasser und Brauchwasser - Google Patents
Einrichtung zum Erhitzen von umlaufendem Heizungswasser und Brauchwasser Download PDFInfo
- Publication number
- EP0784191B1 EP0784191B1 EP96120161A EP96120161A EP0784191B1 EP 0784191 B1 EP0784191 B1 EP 0784191B1 EP 96120161 A EP96120161 A EP 96120161A EP 96120161 A EP96120161 A EP 96120161A EP 0784191 B1 EP0784191 B1 EP 0784191B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heating
- water
- circuit
- heat exchanger
- heating circuit
- 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
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 89
- 239000008236 heating water Substances 0.000 title claims abstract description 75
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 238000009434 installation Methods 0.000 title 1
- 239000000446 fuel Substances 0.000 claims abstract 2
- 239000007788 liquid Substances 0.000 claims abstract 2
- 238000000034 method Methods 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 6
- 239000000567 combustion gas Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
Images
Classifications
-
- 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
- F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
- F24D3/1008—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system expansion tanks
-
- 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
-
- 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
- F24H1/48—Water heaters for central heating incorporating heaters for domestic water
- F24H1/52—Water heaters for central heating incorporating heaters for domestic water incorporating heat exchangers for domestic water
Definitions
- the invention relates to a device for heating of circulating heating water and process water.
- heat exchangers for combined Heating systems (heating, hot water preparation) can be used. It is within the Heating heat exchanger a flowed around by the heating water Domestic hot water heat exchanger provided. Thereby are under other heat transfer processes versus one Secondary heat exchanger for hot water preparation improved.
- From document GB-2 262 593 A is a device for Heating of circulating heating water and process water known with a heating heat exchanger that has a heating circuit supplied with hot water.
- the heating circuit is provided in advance with a control device that the Heating circuit via a changeover line into an inner one Heating circuit and an outer, provided with radiators Circuit separates.
- the buffer tank and the hot water tank are each surrounded with bypass lines that serve the purpose that the Efficiency for supplying hot water to the domestic water pipe is increased.
- a simplified version is given in document AT 398 831 B.
- a heater with an internal heating circuit and an outer heating circuit, with a buffer memory in A changeover line is integrated, one from the heating heat exchanger separately arranged domestic water heat exchanger supplied with heating water.
- the required Final hot water temperature reached faster than with Heating system which is in the heating water tank located heating water buffer volume directly to the Process water preparation is coupled.
- Heating system which is in the heating water tank located heating water buffer volume directly to the Process water preparation is coupled.
- the arrangement according to the invention can do this in the heating water tank heating water volume can be selected smaller and / or the temperature during the downtimes be kept at a lower temperature level.
- the for switching on or off the Heating water storage connected to the internal heating circuit Control device is advantageously a four-way valve trained that at the same time providing Hot water for heating and / or hot water supply serves.
- control device for switching the heating water tank on or off is the Arrangement of a controllable bypass channel directly in the Heating water tank.
- the valve can be the heating water in the heating water tank optionally included in the inner heating circuit or not.
- FIG. 1 shows a schematically represented Device for heating heating water and Process water, being a second embodiment of the Device is shown in dashed lines.
- Figures 2 and 3 show an enlarged section of the invention Device in a third embodiment in two different switching states.
- An exemplary device for heating circulating heating water and process water has an in arranged in a heating circuit and from the heating water flowed through the heat exchanger 10, the fins 11 of the combustion gases of a burner 12 directly are acted upon.
- the heating heat exchanger 10 supplies one between a lead section 14 and one Return section 16 of the heating circuit arranged Heating device, e.g. a radiator 18 with Heating water, in the return section 16 a Circulation pump 20 for conveying the circulating heating water is arranged.
- a Circulation pump 20 for conveying the circulating heating water is arranged.
- an im Heating heat exchanger 10 arranged and from the heating water flow around hot water heat exchanger 22 is provided.
- Process water supply device feeds one or more Dispensing points via a cold water connection 24, one Water switch 26 and a hot water connection 28 with Process water.
- Heating water to the in the domestic water heat exchanger 22 flowing hot water can take place is via an in Return section 16 of the heating circuit 14, 16 arranged three-way valve 30 and one Changeover line 32 of the heating circuit 14, 16 separated.
- a heating water tank 34 is arranged in one the forward section 14 and the return section 16 of the heating circuit connecting reversing line 32 is bypassing all or part of the Heating device 18, a heating water tank 34 is arranged.
- the device for heating circulating heating water and process water works in the following way:
- the burner 12 is ignited and with With the help of the circulation pump 20, the outer heating circuit 38 activated, the in the outer heating circuit 38th arranged radiator 18 can be charged with heating water.
- the hot water device becomes the command DHW heating is given.
- the burner 12 is at one determined differential pressure generated by the water switch 26 ignited and the circulation pump 20 turned on.
- the three-way valve 30 is switched so that the heating water in inner heating circuit 36 circulates. Through the heat transfer from the circulating heating water to the hot water can on Hot water connection 28 hot water can be removed.
- Heating water tank 34 the heating water volume over the internal heating circuit 36 at a certain temperature, for example 70 ° C, ensures that too after longer pauses in the heating heat exchanger 10 and the hot water heat exchanger 22 by the from Heating water storage 34 removed heating water immediately be heated up and warm by heat transfer Domestic water can be removed. A few seconds after The hot combustion gases have hot water start acted fins 11 of the heat exchanger 10th reached their operating temperature, so now through primarily the combustion heat supplied by the burner 12 Domestic water is heated. This is the hot water supply no longer from the heat potential of the heating water dependent in the heating water tank 34, so that be Storage volume can be chosen very small.
- Heating water tank 34 from the inner heating circuit 36 separate. It only gets in the morning Heating water tank 34 back to the inner Heating water circuit 36 connected and be Storage volume on the inner heating circuit 36 on the preset temperature brought. Through the optional or switching off can further reduce energy costs become.
- Figures 2 and 3 show an arrangement in which instead of the four-way valve 40 and the control line 42 for the optionally switch on or off the heating water tank 34 with a valve 44 bypass channel 46 directly in the Heating water tank 34 is arranged.
- the one with the Reversal line 32 of the inner heating circuit 36 connected Bypass channel 46 relates when valve 44 is closed (FIG. 2) via arranged on the bypass channel 46 secondary openings 48 in Heating water storage 34 located heating water in the inner heating circuit 36.
- the bypass channel 46 through the valve 44 is opened (Fig. 3), so when appropriate Dimensioning of the valve 44 and the secondary openings 48 that in the heating water storage 34 heating water is not in the inner heating circuit 36 included.
- the heating system is designed so that in this position none Differences in pressure between that in the inner heating circuit 36 flowing heating water and that in the heating water tank 34 located heating water exist, so that practically no Heating water from the secondary openings 48 of the bypass duct 46 the heating water reservoir 34 in the inner heating circuit 36 can flow.
- the heating water tank 34 consists of a heating water leading housing half 50 by a gas volume receiving housing half 52 is separated. Between the two Housing halves 50, 52 is an elastic membrane 54 arranged so that in the entire heater volume changes due to Temperature fluctuations can be compensated. The one then trained at the same time as an expansion vessel Heating water tank 34 contributes to a particularly compact Construction of the heater.
- the inner heating circuit 36 and the outer heating circuit 38 can be fed with heating water at the same time. It makes sense such a rule, especially if the Outside temperatures are very low and at the same time Domestic hot water supply to the radiators 18 necessary is.
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)
- Water Supply & Treatment (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Description
Claims (5)
- Einrichtung zum Erhitzen von umlaufenden Heizungswasser und Brauchwasser mit einem Heizungswasserkreislauf (14, 16), einer Brauchwasserversorgungseinrichtung (22, 24, 26, 28), einem Brenner (12) für flüssige oder gasförmige Brennstoffe, einem vom Heizungswasser durchströmten Heizungswärmetauscher (10) und einem zur Erwärmung des Brauchwassers innerhalb des Heizungswärmetauschers (10) angeordneten und vom Heizungswasser umströmten Brauchwasserwärmetauscher (22), einem inneren Heizkreislauf (36), der von dem Heizungswärmetauscher (10) über einen Vorlaufabschnitt (14) eine Umsteuerleitung (32) und einen Heizwasserspeicher (34), eine erste Steuereinrichtung (30), einen Rücklaufabschnitt (16) und eine Pumpe (20) zurück zum Heizungswärmetauscher (10) führt, sowie mit einem äußeren Heizkreislauf (38), der vom Heizungswärmetauscher (10) über den Vorlaufabschnitt (14), einen Heizkörper (18) und den Rücklaufabschnitt (16) zurück zum Heizungswärmetauscher (10) führt, wobei im Heizungswasserkreislauf (14, 16) mittels der erster Steuereinrichtung (30) der äußere Heizkreislauf (38) über den Heizkörper (18) und/oder der innere Heizkreislauf (36) über die Umsteuerleitung (32) als-Bypass zu wenigstens einem Teil des Heizkörpers (18) einschaltbar ist, und wobei mindestens während der Startphase der Brauchwasser-Bereitstellung der Heizwasserspeicher (34) zur Brauchwasser-Bereitstellung dem Heizkreislauf (36, 38) zuschaltbar ist.
- Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß mit Hilfe einer im inneren Heizkreislauf (36) angeordneten zweiten Steuereinrichtung (40, 42, 46) der Heizwasserspeicher (34) wahlweise zu- oder abschaltbar ist.
- Einrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die die zweite Steuereinrichtung im inneren Heizkreislauf (36) als ein im Heizwasserspeicher (34) angeordneter, mit einem Ventil (44) versehener Bypaßkanal (46) ausgebildet ist.
- Einrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die erste und die zweite Steuereinrichtung im inneren und äußeren Heizkreislauf (36,38) in einem Vier-Wege-Ventil (30, 40) zusammengefaßt sind.
- Einrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Heizwasserspeicher (34) als eine Heizwasser führende Gehäusehälfte (50) eines Ausdehnungsgefäßes ausgebildet ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19601179A DE19601179A1 (de) | 1996-01-15 | 1996-01-15 | Einrichtung zum Erhitzen von umlaufendem Heizungswasser und Brauchwasser |
| DE19601179 | 1996-01-15 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0784191A2 EP0784191A2 (de) | 1997-07-16 |
| EP0784191A3 EP0784191A3 (de) | 1998-03-18 |
| EP0784191B1 true EP0784191B1 (de) | 2001-09-26 |
Family
ID=7782764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96120161A Expired - Lifetime EP0784191B1 (de) | 1996-01-15 | 1996-12-16 | Einrichtung zum Erhitzen von umlaufendem Heizungswasser und Brauchwasser |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0784191B1 (de) |
| AT (1) | ATE206200T1 (de) |
| DE (2) | DE19601179A1 (de) |
| ES (1) | ES2164823T3 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1302641B1 (it) * | 1998-10-09 | 2000-09-29 | Ocean Idroclima S P A | Caldaia a gas con mezzi di accumulo e mantenimento di acqua riscaldataper uso sanitario |
| DE10306701A1 (de) * | 2003-02-18 | 2004-08-26 | Robert Bosch Gmbh | Heizeinrichtung und zugehörige Betriebsverfahren |
| EP1909041A1 (de) * | 2003-11-03 | 2008-04-09 | Grundfos a/s | Baueinheit für eine Kompaktheizungsanlage |
| CN102401422A (zh) * | 2011-10-10 | 2012-04-04 | 艾欧史密斯(中国)热水器有限公司 | 一种燃气热水采暖装置及系统 |
| CN112032997B (zh) * | 2020-07-22 | 2022-04-22 | 青岛经济技术开发区海尔热水器有限公司 | 燃气热水器及其控制方法 |
| ES1281409Y (es) | 2021-07-29 | 2022-02-01 | Univ Valencia Politecnica | Dispositivo de ahorro de agua para instalaciones de agua caliente sanitaria |
| DE102022117838A1 (de) * | 2022-07-18 | 2024-01-18 | Vaillant Gmbh | Verfahren zum Betrieb eines Warmwasserspeichers, Computerprogramm, Regel- und Steuergerät, Warmwasserspeicher und Verwendung eines mit Druck beaufschlagten gasförmigen Fluids |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3923030A1 (de) * | 1988-07-19 | 1990-01-25 | Vaillant Joh Gmbh & Co | Steuerung eines umlaufwasserheizers |
| DE8911236U1 (de) * | 1989-06-08 | 1990-10-04 | Robert Bosch Gmbh, 7000 Stuttgart | Wärmeübertrager, insbesondere für einen gas- oder ölbeheizten Wassererhitzer |
| DE9013156U1 (de) * | 1989-09-18 | 1990-11-22 | Joh. Vaillant Gmbh U. Co, 5630 Remscheid | Warmwasser-Versorgungssystem |
| AT398831B (de) * | 1990-12-10 | 1995-02-27 | Vaillant Gmbh | Heizeinrichtung mit einem primärwärmetauscher |
| GB2262593B (en) * | 1991-12-17 | 1995-04-12 | Inter Albion Ltd | An apparatus for and a method of providing hot sanitary water |
-
1996
- 1996-01-15 DE DE19601179A patent/DE19601179A1/de not_active Ceased
- 1996-12-16 DE DE59607772T patent/DE59607772D1/de not_active Expired - Lifetime
- 1996-12-16 EP EP96120161A patent/EP0784191B1/de not_active Expired - Lifetime
- 1996-12-16 ES ES96120161T patent/ES2164823T3/es not_active Expired - Lifetime
- 1996-12-16 AT AT96120161T patent/ATE206200T1/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0784191A3 (de) | 1998-03-18 |
| DE59607772D1 (de) | 2001-10-31 |
| ATE206200T1 (de) | 2001-10-15 |
| EP0784191A2 (de) | 1997-07-16 |
| ES2164823T3 (es) | 2002-03-01 |
| DE19601179A1 (de) | 1997-07-24 |
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