EP0616173B1 - Verfahren bzw. Heizkessel zum kombinierten Erwärmen einer Gebäudeheizung und eines Speicherbehälters für Brauchwasser - Google Patents
Verfahren bzw. Heizkessel zum kombinierten Erwärmen einer Gebäudeheizung und eines Speicherbehälters für Brauchwasser Download PDFInfo
- Publication number
- EP0616173B1 EP0616173B1 EP94102471A EP94102471A EP0616173B1 EP 0616173 B1 EP0616173 B1 EP 0616173B1 EP 94102471 A EP94102471 A EP 94102471A EP 94102471 A EP94102471 A EP 94102471A EP 0616173 B1 EP0616173 B1 EP 0616173B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fluid chamber
- boiler
- heating
- water
- accumulator
- 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 48
- 238000000034 method Methods 0.000 title claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 74
- 230000005484 gravity Effects 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 14
- 239000003651 drinking water Substances 0.000 claims description 6
- 235000020188 drinking water Nutrition 0.000 claims description 5
- 239000008235 industrial water Substances 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 21
- 239000002912 waste gas Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 14
- 238000002485 combustion reaction Methods 0.000 description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000008236 heating water Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000009423 ventilation Methods 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
- F24D3/08—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
- F24H1/22—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
- F24H1/285—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 alongside 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
- F24H9/0036—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
- F24H9/00—Details
- F24H9/12—Arrangements for connecting heaters to circulation pipes
- F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters
Definitions
- the invention relates to a method for combined heating a heat transfer medium for building heating on the one hand and a heat transfer medium for one Storage tanks for service and drinking water on the other hand with the help of a three-pass boiler with internal exhaust gas recirculation.
- the invention relates to a boiler to carry out the procedure.
- So-called three-pass boilers which are usually used as low-temperature or low-temperature boilers are operated, are often at the same time according to the prior art for heating a building and for heating a centrally located drinking water heater used.
- the special exhaust gas routing of the flue gases means that the three-pass boilers have a relatively high thermal efficiency achieved because of the acting as a heat exchanger Profiles a comparatively low exhaust gas end temperature is achieved.
- there is the low one Exhaust gas temperatures the problem that in the area of Exhaust ducts the dew point of the exhaust gas carrying water vapor falls below and thus condensate form can, what due to its aggressive effect to a Contamination or destruction of metallic Parts of the boiler.
- the invention has for its object a method or a boiler for combined heating of the building heating on the one hand and a storage tank for service or drinking water on the other hand to create where the thermal Efficiency is increased, the air polluting emissions are lowered and gravity circulation in the boiler is possible is.
- the Heat transfer medium for heating the storage container one the first liquid chamber of the boiler, the storage tank fed and into the first liquid space is returned, the liquid of the first liquid space with the help of heat exchanger surfaces directly from by the second and / or third train of the boiler flowing exhaust gases is heated that the heat transfer medium for the building heating a second liquid chamber of the boiler removed, fed to the building heating and in the second Liquid space is returned, the heat transfer medium of the second liquid space essentially by gravity circulation with the first liquid space is heated, and wherein the first liquid space from the second Liquid space through boundary surfaces at least partially is separated and assumes a higher temperature level.
- heating is a Storage tank for drinking or industrial water possible without that the entire boiler water must be heated.
- the one from the first inner water space through boundary surfaces separate second outer water space increases when briefly Priority operation for the storage circuit its temperature only insignificant, so that the overall efficiency is significantly improved becomes.
- the connecting piece for the flow of the storage circuit is located at the highest boiler point during the recirculation in the area of the lowest point of the first liquid space he follows. Are there openings are provided in the area of the connections, which the Connect the first to the second liquid space.
- This arrangement of the forward and return for the Storage charging circuit with forced loading of the two connecting pieces with the help of a pump is for the Period of storage charging normally under Gravitational conditions taking place orbit of the outer Boiler water volume with the inner boiler water volume interrupted.
- the opening cross sections for gravity operation are trained so that the gravity flow conditions prevailing in normal heating operation due to the thermal buoyancy in the inner chamber due to the amount of heating water cut off with the help of the circulation pump in the storage tank charging circuit becomes.
- the known measures can be used in the proposed method to further reduce emissions exhaust gas recirculation, for example be possible in the burner chamber, creating a Reduction of unburned hydrocarbons, one Nitrogen oxide reduction or an oxidation of the carbon monoxide can be done.
- a three-pass boiler according to the invention for implementation the procedure described above is claimed in claim 4.
- the boiler shown in Figure 1 in section consists of a cup-shaped combustion chamber 1, which in a furnace 2 is arranged.
- the combustion chamber 1 is from a rib profile 3 acting as a heat exchanger surrounded by which the formed in the combustion chamber 1 Exhaust gases in the direction of not shown in Figure 1 Flow the burner nozzle, i.e. towards the viewer and cool off in the process.
- a rib profile 3 acting as a heat exchanger surrounded by which the formed in the combustion chamber 1 Exhaust gases in the direction of not shown in Figure 1 Flow the burner nozzle, i.e. towards the viewer and cool off in the process.
- Around the rib profile 3 is a inner water jacket 4 arranged, the first inner water space 5 to the rib profile 3 limited.
- the located in the first water space 5 is by the Rib profile 3 over the inner water chamber jacket 4 the burner is switched on.
- the flow channel formed by the rib profile 3 is the second in the sense of this patent application Train denotes, while the combustion chamber 1 the first train forms.
- Post-heating surface 6 designed as a heat exchanger, which is called the third move.
- the secondary heating surface 6 is like the second move from the first Water chamber 5 enclosed so that with the burner running the heat generated directly for heating the water serves in the first water chamber 5.
- the first water space 5 is a second water space 7 arranged, the water over the boundary surface 8th is heated, the first water chamber 5 from the second Water room 7 separates.
- the first water space 5 serves, as already described, of DHW heating in a storage tank.
- a connection piece at the top of the boiler 9 for the advance of the storage circuit and on the lowest point of the first water chamber 7 a connection piece 10 provided for the return of the storage circuit.
- This allows the Boiler without an impressed pump flow in the normal Gravity flow processes are operated.
- the gravity flow when turning on the Cut off feed pump in the flow of the storage circuit, so that only the heated water in the water space 5 is used to heat the storage container.
- the flow connection is located in the second water chamber 7 11 for the heating circuit or the corresponding return connection 12th
- the second water space 7 is outwardly from an outer Boiler shell 13 enclosed.
- One in the outer panel 14 arranged insulation layer 15 protects the second water space 7 against heat loss.
- a switch box 16 is provided on the outer cladding 14 the necessary electrical control and regulating devices put on.
- FIG. 1 shows the boiler of Figure 1 in connection with the storage circuit 17 or the heating circuit 18 represents.
- a feed pump 20 provided, which heated the first water space 5 Promotes water through a heat exchanger 21, the is arranged inside a storage container 22. The cooled water is returned via the return 23 promoted the inside of the boiler.
- a thermostat 24 detects the temperature inside the Storage container 22 and switches the burner or the Feed pump 20.
- the heating circuit 18 is constructed accordingly, wherein his forward 25 or his return 26 with the corresponding Connections of the second water chamber 7 connected is.
- FIG 3 is a boiler in a longitudinal or cross section shown for larger heat outputs.
- the first water space 27 is the exemplary embodiment by a U-shaped curved boundary surface 28 for second water space 29 limited.
- the removal of the heated Water for the storage cycle takes place through the Neck 30, which in turn at the highest point of the upper Water space is arranged, being in its area Breakthroughs are provided in the boundary surface 28, so that a normal gravity flow operation of the boiler is possible.
- An exchange of water between the first Water chamber 27 and second water chamber 29 can be connected to the Openings 31 take place.
- Located in the lower area also the return port 32 for the storage circuit.
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)
- Heat-Pump Type And Storage Water Heaters (AREA)
Description
- Figur 1
- einen Schnitt durch einen Dreizug-Heizkessel,
- Figur 2
- einen Schnitt durch einen Dreizug-Heizkessel mit nachgeschaltetem Heißwasserspeicher und Heizungskreislauf,
- Figur 3
- einen Längsschnitt bzw. einen Schnitt durch einen Dreizug-Heizkessel mit einer höheren Wärmenennleistung.
- 1
- Brennkammer
- 2
- Feuerungsraum
- 3
- Rippenprofil
- 4
- innerer Wasserraummantel
- 5
- erster Wasserraum
- 6
- Nachschaltheizfläche
- 7
- zweiter Wasserraum
- 8
- Begrenzungsfläche
- 9
- Anschlußstutzen für Vorlauf des Speicherkreislaufes
- 10
- Anschlußstutzen für Rücklauf des Speicherkreislaufes
- 11
- Vorlaufanschluß des Heizungskreislaufes
- 12
- Rücklaufanschluß des Heizungskreislaufes
- 13
- äußerer Kesselmantel
- 14
- Außenverkleidung
- 15
- Dämmschicht
- 16
- Schaltkasten
- 17
- Speicherkreislauf
- 18
- Heizungskreislauf
- 19
- Vorlauf
- 20
- Förderpumpe
- 21
- Wärmetauscher
- 22
- Speicherbehälter
- 23
- Rücklauf
- 24
- Thermostat
- 25
- Vorlauf
- 26
- Rücklauf
- 27
- erster Wasserraum
- 28
- Begrenzungsfläche
- 29
- zweiter Wasserraum
- 30
- Stutzen
- 31
- Öffnung
- 32
- Rücklaufanschluß
Claims (4)
- Verfahren zum kombinierten Erwärmen eines Wärmeträgermediums für eine Gebäudeheizung einerseits und eines Wärmeträgermediums für einen Speicherbehälter (22) für Brauch- bzw. Trinkwasser andererseits mit Hilfe eines Dreizug-Heizkessels mit innerer Abgasrückführung, dadurch gekennzeichnet, daß das Wärmeträgermedium zum Erwärmen des Speicherbehälters (22) einem ersten Flüssigkeitsraum (5, 27) des Heizkessels entnommen, dem Speicherbehälter (22) zugeführt und in den ersten Flüssigkeitsraum (5, 27) zurückgeführt wird, wobei die Flüssigkeit des ersten Flüssigkeitsraumes (5, 27) mit Hilfe von Wärmetauscherflächen (3, 6) unmittelbar von den durch den zweiten und/oder dritten Zug des Heizkessels strömenden Abgasen erwärmt wird, daß das Wärmeträgermedium für die Gebäudeheizung einem zweiten Flüssigkeitsraum (7, 29) des Heizkessels entnommen, der Gebäudeheizung zugeführt und in den zweiten Flüssigkeitsraum (7, 29) zurückgeführt wird, wobei das Wärmeträgermedium des zweiten Flüssigkeitsraumes (7, 29) im wesentlichen durch Schwerkraftzirkulation mit dem ersten Flüssigkeitsraum (5, 27) erwärmt wird, und wobei der erste Flüssigkeitsraum (5, 27) vom zweiten Flüssigkeitsraum (7, 29) durch Begrenzungsflächen (8, 28) zumindest teilweise getrennt ist und ein höheres Temperaturniveau annimmt.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Flüssigkeit für den Vorlaufanschluß (9) des Speicherkreislaufes (17) im Bereich der höchsten Stelle des Kessels entnommen und im Bereich der tiefsten Stelle des ersten Flüssigkeitsraumes (5, 27) zurückgeführt wird, wobei im Bereich der Anschlüsse (9, 10) eine offene Verbindung des ersten Flüssigkeitsraumes (5, 27) mit dem zweiten Flüssigkeitsraum (7, 29) besteht.
- Verfahren nach einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, daß im Bereich des Vorlaufes (19) des Speicherkreislaufes (17) und des Vorlaufes (25) des Heizungskreislaufes (18) Förderpumpen (20) vorgesehen sind.
- Heizkessel zur Durchführung des Verfahrens nach einem der Ansprüche 1 bis 3, mit einer in einem Feuerungsraum angeordneten topfförmigen Brennkammer, erster Zug, die von einem als Wärmetauscher wirkenden Rippenprofil umgeben ist, durch welches die in der Brennkammer entstandenen Abgase in Richtung zur Brennerdüse geführt werden, zweiter Zug, einer als Wärmetauscher wirkenden Nachschaltheizfläche dritter Zug, durch welche die Abgase nach Durchströmen des zweiten Zuges einem Abgaskamin zugeleitet werden, dadurch gekennzeichnet, daß das Rippenprofil (3) und die Nachschaltheizfläche (6) von einem ersten Flüssigkeitsraum (5, 27) umgeben sind, der Anschlüsse (9, 10) für den Vor- und Rücklauf des Wärmeträgermediums zum Erwämen eines Speicherbehälters (22) aufweist, daß der erste Flüssigkeitsraum (5, 27) von einem zweiten Flüssigkeitsraum (7, 29) umgeben ist, der Anschlüsse (11, 12) für den Vor- und Rücklauf des Wärmeträgermediums zur Gebäudeheizung aufweist, und daß der erste Flüssigkeitsraum (5, 27) und der zweite Flüssigkeitsraum (7, 29) durch Begrenzungsflächen (8, 28) zumindest teilweise voneinander getrennt sind, wobei der Vorlaufanschluß (9) für den Speicherkreislauf (17) im Bereich der höchsten Kesselstelle und der Rücklaufanschluß (10) für den Speicherkreislauf im Bereich der tiefsten Stelle des ersten Flüssigkeitsraumes (5, 27) angeordnet sind und im Bereich der Anschlüsse (9, 10) eine offene Verbindung der Flüssigkeitsräume (5, 7, 27, 29) vorgesehen ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4308759 | 1993-03-19 | ||
| DE4308759A DE4308759A1 (de) | 1993-03-19 | 1993-03-19 | Verfahren bzw. Heizkessel zum kombinierten Erwärmen einer Gebäudeheizung und eines Speicherbehälters für Brauchwasser |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0616173A2 EP0616173A2 (de) | 1994-09-21 |
| EP0616173A3 EP0616173A3 (de) | 1995-02-08 |
| EP0616173B1 true EP0616173B1 (de) | 1998-07-22 |
Family
ID=6483198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP94102471A Expired - Lifetime EP0616173B1 (de) | 1993-03-19 | 1994-02-18 | Verfahren bzw. Heizkessel zum kombinierten Erwärmen einer Gebäudeheizung und eines Speicherbehälters für Brauchwasser |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0616173B1 (de) |
| AT (1) | ATE168764T1 (de) |
| DE (2) | DE4308759A1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL9400977A (nl) * | 1994-06-15 | 1996-01-02 | Dejatech Bv | Verwarmingsketel, voorzien van een aantal kamers. |
| DE29602036U1 (de) * | 1996-02-07 | 1996-05-23 | Interdomo GmbH & Co Heizungs- und Wärmetechnik, 48282 Emsdetten | Heizkessel für Niedertemperaturheizungen |
| EP0915304B1 (de) * | 1997-11-06 | 2005-03-16 | Viessmann Werke GmbH & Co KG | Dreizugheizkessel |
| DE19753065B4 (de) * | 1997-11-29 | 2012-08-16 | Wolf Gmbh | Heizkessel mit thermohydraulischer Abkopplung für zwei Heizkreise |
| US7559293B2 (en) | 2002-06-04 | 2009-07-14 | Bradford White Corporation | High efficiency water heater |
| US8807093B2 (en) | 2011-05-19 | 2014-08-19 | Bock Water Heaters, Inc. | Water heater with multiple heat exchanging stacks |
| US10184690B2 (en) | 2017-02-09 | 2019-01-22 | Bock Water Heaters, Inc. | Condensing water heater and condensation control system |
| DE102017102822A1 (de) * | 2017-02-13 | 2018-08-16 | Viessmann Werke Gmbh & Co Kg | Heizkessel |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH431876A (de) * | 1964-09-16 | 1967-03-15 | Ygnis Sa | Verbrauchswarmwasserbereiter |
| AT377357B (de) * | 1981-02-23 | 1985-03-11 | Kohler Anton | Heizkessel |
| DE9105410U1 (de) * | 1991-05-02 | 1992-02-27 | Mayr, Manfred, 8851 Tagmersheim | Zentralheizungskessel |
-
1993
- 1993-03-19 DE DE4308759A patent/DE4308759A1/de not_active Withdrawn
-
1994
- 1994-02-18 EP EP94102471A patent/EP0616173B1/de not_active Expired - Lifetime
- 1994-02-18 DE DE59406468T patent/DE59406468D1/de not_active Expired - Fee Related
- 1994-02-18 AT AT94102471T patent/ATE168764T1/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0616173A2 (de) | 1994-09-21 |
| DE59406468D1 (de) | 1998-08-27 |
| DE4308759A1 (de) | 1994-09-22 |
| EP0616173A3 (de) | 1995-02-08 |
| ATE168764T1 (de) | 1998-08-15 |
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