DE3027802A1 - CONTROL OF A HEATING BOILER - Google Patents

CONTROL OF A HEATING BOILER

Info

Publication number
DE3027802A1
DE3027802A1 DE19803027802 DE3027802A DE3027802A1 DE 3027802 A1 DE3027802 A1 DE 3027802A1 DE 19803027802 DE19803027802 DE 19803027802 DE 3027802 A DE3027802 A DE 3027802A DE 3027802 A1 DE3027802 A1 DE 3027802A1
Authority
DE
Germany
Prior art keywords
boiler
heat demand
water temperature
boiler water
heating 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
Application number
DE19803027802
Other languages
German (de)
Other versions
DE3027802C3 (en
Inventor
Heribert Ing.(grad.) 6333 Braunfels Schmitz
Ernst Wilh. Dipl.-Ing. 6301 Staufenberg Stephan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bosch Thermotechnik GmbH
Original Assignee
Buderus AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Buderus AG filed Critical Buderus AG
Priority to DE3027802A priority Critical patent/DE3027802C3/en
Priority to EP81104589A priority patent/EP0044406A1/en
Publication of DE3027802A1 publication Critical patent/DE3027802A1/en
Application granted granted Critical
Publication of DE3027802C3 publication Critical patent/DE3027802C3/en
Expired legal-status Critical Current

Links

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
    • F24H9/20—Arrangement or mounting of control or safety devices
    • F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/10—Control of fluid heaters characterised by the purpose of the control
    • F24H15/156—Reducing the quantity of energy consumed; Increasing efficiency
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/212—Temperature of the water
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/355—Control of heat-generating means in heaters
    • F24H15/36—Control of heat-generating means in heaters of burners

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)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)

Description

buderus aktiengesellschaft - 2 tp/p/b/p 16-293buderus aktiengesellschaft - 2 tp / p / b / p 16-293

Regelung eines HeizungskesselsControl of a heating boiler

Die Erfindung bezieht sich auf die Regelung eines Heizungskessels in Abhängigkeit vom Wärmebedarf. The invention relates to the regulation of a heating boiler as a function of the heat demand.

Eine solche Regelung gehört zum allgemein bekannten Stand der Technik. Üblicherweise wird dabei die Kesselwassertemperatur auf einen Wert oberhalb des Taupunktes fest eingestellt, während die gewünschte Vorlauftemperatur durch mehr oder weniger starkes Beimischen von kälterem Rücklaufwasser erzielt wird. Der Wärmebedarf wird durch einen Temperaturfühler, vorzugsweise durch einen Außenthermostaten, ermittelt und durch ein geeignetes Regelgerät zur Regelung der Anlage verwandt.Such a regulation belongs to the generally known state of the art. Usually the boiler water temperature is used permanently set to a value above the dew point, while the desired flow temperature is through more or less strong admixture of colder return water is achieved. The heat demand is determined by a temperature sensor, preferably determined by an external thermostat and by a suitable control device for regulation related to the plant.

Die hoch eingestellte Kesselwassertemperatur führt zu hohen Energieverlusten durch Abstrahlung zum Kesselraum und durch Auskühlung zum Schornstein hin. Das trifft insbesondere in Übergangszeiten zu, in denen die hohen Kesselwassertemperaturen gar nicht notwendig wären und deshalb eine eindeutige EnergieVerschwendung darstellen.The high boiler water temperature leads to high energy losses through radiation to the boiler room and by cooling down towards the chimney. This is especially true in transitional periods when the boiler water temperatures are high would not be necessary at all and therefore represent a clear waste of energy.

Der Erfindung liegt die Aufgabe zugrunde, die Regelung eines Heizungskessels so zu optimieren, daß die Energieverluste wesentlich reduziert werden. Der Wirkungsgrad des Heizungskessels soll über das bisher bekannte Maß hinaus erhöht werden.The invention is based on the object of optimizing the control of a heating boiler so that the energy losses can be significantly reduced. The efficiency of the heating boiler should exceed the previously known level increase.

Dieses wird gemäß der Erfindung durch die im Kennzeichen des Patentanspruches 1 genannte Maßnahme erreicht.This is achieved according to the invention by the measure mentioned in the characterizing part of claim 1.

130065/0578130065/0578

Die hohen Auskühlverluste des Heizungskessels wurden bereits mit bestem Erfolg durch eine Anpassung der Kesselwassertemperatur an den jeweils vorliegenden Wärmebedarf vermieden. Bei einer solchen Regelung, bei der unter bestimmten Bedingungen sogar der Taupunkt unterschritten werden kann, entspricht die Vorlauftemperatür der Kesselwassertemperatur. Auf einen nachgeschalteten Mischer kann deshalb im Normalfall verzichtet werden. Eine Regelung dieser Art ist in der DE-OS 25 28 749 beschrieben.The high cooling losses of the heating boiler have already been met with great success by adjusting the boiler water temperature avoided at the respective existing heat demand. In such a scheme, with which under certain Conditions can even fall below the dew point, the flow temperature corresponds to the boiler water temperature. A downstream mixer can therefore normally be dispensed with. A scheme this type is described in DE-OS 25 28 749.

Durch diese Anpassung der Kesselwassertemperatur an die Außentemperatur und somit an den Wärmebedarf wurden die Auskühlverluste des Heizungskessels in Übergangszeiten wesentlich reduziert. Die Kombination dieser bekannten Maßnahme mit der gleichzeitigen Anpassung der Brennerleistung an den Wärmebedarf führt zu einer zusätzlichen Steigerung des Kesselwirkungsgrades und zu einer Optimierung der Regelung. Der bisher übliche Betrieb des Brenners mit voller Leistung führte nämlich bei geringem Wärmebedarf und geringen Kesselwassertemperaturen zu einem für diesen Bedarfsfall nicht notwendigen Überangebot an Energie, welches keine optimalen Ergebnisse brachte.By adapting the boiler water temperature to the outside temperature and thus to the heat demand, the Cooling losses of the heating boiler significantly reduced in transitional periods. The combination of these well-known Measure with the simultaneous adjustment of the burner output to the heat demand leads to an additional Increase of the boiler efficiency and an optimization of the control. The usual operation of the burner up to now with full power, with low heat demand and low boiler water temperatures, one for this If there is an unnecessary excess supply of energy, which did not bring optimal results.

Die Kombination der beiden Maßnahmen, nämlich der an sich bekannten Anpassung der Kesselwassertemperatur an den Wärmebedarf mit der gleichzeitigen Anpassung der Brennerleistung führt zu Ergebnissen, die über die Ergebnisse der Einzelmaßnahmen hinausgehen. Die Anpassung kann dabei stetig oder stufenförmig erfolgen.The combination of the two measures, namely the one in itself known adjustment of the boiler water temperature to the heat demand with the simultaneous adjustment of the burner output leads to results that go beyond the results of the individual measures. The adjustment can thereby be carried out continuously or in steps.

Die beigefügte Zeichnung stellt in einem einzigen Dia·· gramm die Ergebnisse von drei Versuchsreihen dar.The attached drawing represents in a single slide shows the results of three test series.

Auf der Abszisse ist die Belastung des Kessels dargestellt. Diese ist dem Wärmebedarf gleich, der beispielsweise durchThe load on the boiler is shown on the abscissa. This is the same as the heat demand, for example through

130065/0578130065/0578

die jeweils vorliegende Außentemperatur ermittelt wird. Auf der Ordinaten ist der jeweilige Kesselwirkungsgrad dargestellt.the prevailing outside temperature is determined. The respective boiler efficiency is on the ordinate shown.

Die Kurve (1) zeigt die Ergebnisse der erfindungsgemäßen Kombination der beiden Maßnahmen. Die Kurve (2) zeigt die Ergebnisse bei einer stetigen Anpassung der Kesselwassertemperatur an den Wärmebedarf, jedoch mit der bisher üblichen vollen Brennerleistung. Die Kurve (^) zeigt die Ergebnisse bei einer stetigen Anpassung der Brennerleistung an den Wärmebedarf, jedoch mit einer fest eingestellten Kesselwassertemperatur von 80 0C.The curve (1) shows the results of the combination of the two measures according to the invention. The curve (2) shows the results with a constant adjustment of the boiler water temperature to the heat demand, but with the previously usual full burner output. The curve (^) shows the results with a constant adjustment of the burner output to the heat demand, but with a fixed boiler water temperature of 80 ° C.

Bei voller Belastung, d.h. bei extrem niedrigen Außentemperaturen, ist der Kesselwirlcungsgrad in allen Fällen gleich. Zu niedrigen Belastungen hin, nämlich in Übergangszeiten mit höheren Außentemperaturen, steigt der Kesselwirkungsgrad in allen drei Fällen an. Die Kurve (1) steigt jedoch wesentlich steiler als die Kurven (2 und 2). Ihr Anstieg ist so groß, daß er sogar noch die theoretische Addition der Anstiege der beiden anderen Kurven übertrifft. Die Kombination der beiden Maßnahmen bringt somit einen überragenden und nicht zu erwartenden Effekt.At full load, i.e. at extremely low outside temperatures, the boiler degree of circulation is the same in all cases. Towards low loads, namely in transitional periods with higher outside temperatures, the boiler efficiency increases in all three cases. The curve (1) however, it rises much more steeply than the curves (2 and 2). Its rise is so great that it even exceeds the theoretical addition of the increases in the other two curves. The combination of the two measures thus has an outstanding and unexpected effect.

130065/0578130065/0578

Claims (2)

BUDERUS AKTIENGESELLSCHAFT
TP/P/B/P 16-293BUDERUS AKTIENGESELLSCHAFT
TP / P / B / P 16-293 PatentansprücheClaims Regelung eines Heizungskessels in Abhängigkeit vom Wärmebedarf, gekennzeichnet durch eine gleichgerichtete Anpassung der Kesselwassertemperatur und der Brennerleistung an den Wärmebedarf.Regulation of a heating boiler depending on the heat demand, characterized by a rectified Adjustment of the boiler water temperature and the burner output to the heat demand. 2. Regelung nach Anspruch 1, gekennzeichnet durch eine stetige Anpassung der Kesselwassertemperatur und der Brennerleistung an den Wärmebedarf.2. Regulation according to claim 1, characterized by a constant adjustment of the boiler water temperature and the burner output to the heat demand. 3· Regelung nach Anspruch 1, gekennzeichnet durch eine stufenförmige Anpassung der Kesselwassertemperatur und der Brennerleistung an den Wärmebedarf.3 · Regulation according to claim 1, characterized by a stepped adjustment of the boiler water temperature and the burner output to the heat demand. 130065/0578130065/0578
DE3027802A 1980-07-23 1980-07-23 Control of a heating boiler Expired DE3027802C3 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE3027802A DE3027802C3 (en) 1980-07-23 1980-07-23 Control of a heating boiler
EP81104589A EP0044406A1 (en) 1980-07-23 1981-06-15 Regulation of a boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3027802A DE3027802C3 (en) 1980-07-23 1980-07-23 Control of a heating boiler

Publications (2)

Publication Number Publication Date
DE3027802A1 true DE3027802A1 (en) 1982-02-04
DE3027802C3 DE3027802C3 (en) 1988-08-18

Family

ID=6107852

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3027802A Expired DE3027802C3 (en) 1980-07-23 1980-07-23 Control of a heating boiler

Country Status (2)

Country Link
EP (1) EP0044406A1 (en)
DE (1) DE3027802C3 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3832320A1 (en) * 1988-09-23 1990-03-29 Omnical Gmbh Method for regulating a central-heating boiler
EP0916903A2 (en) 1997-11-12 1999-05-19 PTG Planungsgemeinschaft für technische Gebäudeausrüstung GmbH Space heating system and method for its operatoin

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4007520C2 (en) * 1990-03-09 1997-06-26 Buderus Heiztechnik Gmbh Procedure for tuning a boiler controller to a modulating fan burner
DE4211914C2 (en) * 1992-04-09 1996-04-18 Walter Sander Heizungstechnik Method for controlling a heating system with a data processing unit
DE4312808A1 (en) * 1993-04-20 1994-10-27 Stiebel Eltron Gmbh & Co Kg Method and apparatus for controlling a space-heating installation
AT400983B (en) * 1994-03-28 1996-05-28 Vaillant Gmbh METHOD FOR HEATING WATER OF A HEATING SYSTEM
DE4429215A1 (en) * 1994-08-18 1996-03-14 Viessmann Werke Kg Control method for heating boiler burner
DE19507247A1 (en) * 1995-03-02 1996-09-05 Baunach Hans Georg Method and device for hydraulically optimized regulation of the flow temperature

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1997559A (en) * 1934-07-07 1935-04-09 Honeywell Regulator Co Automatic control system
CH194704A (en) * 1937-02-25 1937-12-31 Landis & Gyr Ag Process for regulating the average room temperature in hot water heating systems, preferably with coal heating.
DE2213565A1 (en) * 1972-03-21 1973-10-04 Junkers & Co GAS WATER HEATERS, IN PARTICULAR FOR HEATING SYSTEMS
DE2428501A1 (en) * 1973-10-05 1975-04-10 Pegasus Ab SELECTOR CONTROL PANEL WITH CAPACITY CONTROL FOR OIL OR GAS BURNERS, PREFERABLY CONTINUOUSLY CONTROLLED (MODULATING) BURNERS
DE2524010A1 (en) * 1975-05-30 1976-12-09 Buderus Eisenwerk CENTRAL HEATING BOILER ADJUSTABLE DEPENDING ON THE OUTSIDE TEMPERATURE
DE2528749A1 (en) * 1975-06-27 1977-01-13 Buderus Eisenwerk HEATING SYSTEM WITH A HEATING BOILER THAT CAN BE CONTROLLED DEPENDING ON THE OUTSIDE TEMPERATURE
DE2707312A1 (en) * 1977-02-19 1978-08-24 Kloeckner Humboldt Deutz Ag Regulating arrangement for oil burners - has range selector switch and split range switching systems for valves
DE2810152A1 (en) * 1978-03-09 1979-09-13 Hans Viessmann Central heating temp. control system - has damp proof ambient temp. thermostats connected to multiple thermostats for regulating burner
EP0034786A1 (en) * 1980-02-18 1981-09-02 Siemens Aktiengesellschaft Method of operating a boiler unit and device suited therefor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3211373A (en) * 1963-07-12 1965-10-12 Avy L Miller Water heating method and apparatus
DE1253892B (en) * 1965-02-24 1967-11-09 Junkers & Co Gas flow regulator for a burner of a gas-heated instantaneous or circulation water heater
DE1299833B (en) * 1968-02-15 1969-07-24 Burger Eisenwerke Ag Control device for hot water boiler
DE2807745A1 (en) * 1978-02-23 1979-09-06 Licentia Gmbh Water heater exploiting off=peak rate - has one high-power element and two background low-power elements switchable in parallel or series
DE2901820A1 (en) * 1979-01-18 1980-07-24 Hugo Binkert Heating circuit control system - uses only solar or waste heat up to max. temp. available from it
DE2906557C2 (en) * 1979-02-17 1984-07-12 Joh. Vaillant Gmbh U. Co, 5630 Remscheid Method and device for regulating a heating system with two heat sources

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1997559A (en) * 1934-07-07 1935-04-09 Honeywell Regulator Co Automatic control system
CH194704A (en) * 1937-02-25 1937-12-31 Landis & Gyr Ag Process for regulating the average room temperature in hot water heating systems, preferably with coal heating.
DE2213565A1 (en) * 1972-03-21 1973-10-04 Junkers & Co GAS WATER HEATERS, IN PARTICULAR FOR HEATING SYSTEMS
DE2428501A1 (en) * 1973-10-05 1975-04-10 Pegasus Ab SELECTOR CONTROL PANEL WITH CAPACITY CONTROL FOR OIL OR GAS BURNERS, PREFERABLY CONTINUOUSLY CONTROLLED (MODULATING) BURNERS
DE2524010A1 (en) * 1975-05-30 1976-12-09 Buderus Eisenwerk CENTRAL HEATING BOILER ADJUSTABLE DEPENDING ON THE OUTSIDE TEMPERATURE
DE2528749A1 (en) * 1975-06-27 1977-01-13 Buderus Eisenwerk HEATING SYSTEM WITH A HEATING BOILER THAT CAN BE CONTROLLED DEPENDING ON THE OUTSIDE TEMPERATURE
DE2707312A1 (en) * 1977-02-19 1978-08-24 Kloeckner Humboldt Deutz Ag Regulating arrangement for oil burners - has range selector switch and split range switching systems for valves
DE2810152A1 (en) * 1978-03-09 1979-09-13 Hans Viessmann Central heating temp. control system - has damp proof ambient temp. thermostats connected to multiple thermostats for regulating burner
EP0034786A1 (en) * 1980-02-18 1981-09-02 Siemens Aktiengesellschaft Method of operating a boiler unit and device suited therefor

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Ch-Firmenschrift, Geräteblatt 7681, Okt. 1979 "Universalregler Polygyr RWF31" Fa. LGZ Landis & Gyr Zug AG *
Prospekt " Planungshinweise für Raypak-Kesselanlagen" der Fa. Raypak *
Prospekt "Sequence-Pak" der Firma Raypak von 1970 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3832320A1 (en) * 1988-09-23 1990-03-29 Omnical Gmbh Method for regulating a central-heating boiler
EP0916903A2 (en) 1997-11-12 1999-05-19 PTG Planungsgemeinschaft für technische Gebäudeausrüstung GmbH Space heating system and method for its operatoin

Also Published As

Publication number Publication date
EP0044406A1 (en) 1982-01-27
DE3027802C3 (en) 1988-08-18

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8363 Opposition against the patent
8327 Change in the person/name/address of the patent owner

Owner name: BUDERUS HEIZTECHNIK GMBH, 6330 WETZLAR, DE

8366 Restricted maintained after opposition proceedings
8305 Restricted maintenance of patent after opposition
D4 Patent maintained restricted
8339 Ceased/non-payment of the annual fee