EP1754005B1 - Verfahren zum hydraulischen Abgleich von Heizkörpern in einem Heizungssystem - Google Patents

Verfahren zum hydraulischen Abgleich von Heizkörpern in einem Heizungssystem Download PDF

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Publication number
EP1754005B1
EP1754005B1 EP05773263.8A EP05773263A EP1754005B1 EP 1754005 B1 EP1754005 B1 EP 1754005B1 EP 05773263 A EP05773263 A EP 05773263A EP 1754005 B1 EP1754005 B1 EP 1754005B1
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European Patent Office
Prior art keywords
emitters
temperature
valve
coefficient
flow
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
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EP05773263.8A
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English (en)
French (fr)
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EP1754005A1 (de
Inventor
Patrick Delpech
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Gefen (Lycee Maximilien Perret)
MAPSEC
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Gefen (Lycee Maximilien Perret)
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Priority to PL05773263T priority Critical patent/PL1754005T3/pl
Publication of EP1754005A1 publication Critical patent/EP1754005A1/de
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    • 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
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
    • F24D19/1015—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves

Definitions

  • the present invention relates to a method of balancing a heating / cooling installation of two-tube water circulation type premises.
  • each radiator is provided with a balancing valve whose position makes it possible to control the flow of hot water through it and, consequently, the quantity of heat delivered by it.
  • This type of faucet is called a first-level balancing valve because it allows the flow rate to be adjusted as close as possible to one or more radiators.
  • second level valves that allow the adjustment of the flow of a set of radiators balanced between them by the first level valves.
  • third-level valves that allow the adjustment of the flow of several sets of radiators balanced with each other by the second-level valves.
  • a relative flow coefficient has been established for each radiator equal to the ratio of the reference difference to the corrective coefficient of measurement. This corrects the feed rate of a given radiator by multiplying its flow by the inverse of the relative flow coefficient.
  • curves are available which express the relative flow variation q% Rn of a valve of a given brand and type as a function of the number of revolutions N of its regulator and this for a constant pressure difference. .
  • the object of the present invention is to propose a balancing method that is applicable to first and second level valves in series with transmitters whose hydraulic resistance can be significant and impossible to determine. This is for example the case of non-removable elements, difficult or impossible to measure or calculate due to the frequent absence of distribution plans and internal fouling networks over time, hydraulic resistors such as those of columns or supply lines for transmitters, heating or cooling coils, sanitary circuit loops, etc.)
  • This method must also prevent the user the strain of using special valves for measuring flow rates, or the implementation of surveys and complex calculations.
  • the present invention thus relates to a method for balancing a heating / cooling installation according to claim 1.
  • the document EP 0 795 724 A1 discloses the preamble of this claim.
  • a flow control valve must have, in large aperture, an authority of at least 0.5 on average and included, within customary limits, between 0.33 and 0.66, ( authority defined by the ratio of the hydraulic resistance of the large open tap to the sum of the hydraulic resistance of the open tap and that of the circuit for which it is responsible for regulating the flow).
  • an authority of at least 0.5 on average and included, within customary limits, between 0.33 and 0.66 authority defined by the ratio of the hydraulic resistance of the large open tap to the sum of the hydraulic resistance of the open tap and that of the circuit for which it is responsible for regulating the flow.
  • FIG. 1 a heating installation comprising a hot water supply pipe 1 and a return pipe 3.
  • the balancing operation of this installation consists in ensuring that the specific bit rate of each of these sets R n of transmitters is in correspondence with the respective powers.
  • thermometers capable of possessing a quasi-inexistent thermal inertia and a capacity to provide accurate and instantaneous measurement, such as infrared thermometers.
  • control members of the equilibrium valves RO n associated with each of the sets R n of emitters will preferably be arranged in the half-opening hydraulic position.
  • thermometer the temperature ts n of the pipe located at the outlet of each of the sets R n of emitters are measured.
  • the coefficient k is taken in a first adjustment cycle to a value close to 1.5. It has indeed been found by the many measurements and tests carried out that if, after a first adjustment, it appears that the quality of the balancing obtained is not satisfactory, a second adjustment cycle can then be carried out in then taking a value of this coefficient of adjustment k weaker, then close to 1.1.
  • the installation comprises a hot water supply pipe 1 and a return pipe 3 between which three sets R 1 , R 2 , R 3 of emitters E n are connected in shunt.
  • This gives a reference difference of ref 10 ° C.
  • the coefficient of authority k 1 is corrected by decreasing it with a value of 0.5 for the low limit.
  • the method according to the invention can be implemented manually by carrying out the calculations mentioned above. However it will be easier to control by using a device to guide the user during the process and to automate some of the operations including calculations.

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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)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Flow Control (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Claims (6)

  1. Verfahren zum Abgleich einer Anlage zum Heizen/Kühlen mittels Wasserzirkulation, die mindestens eine Serie von Gruppen (R1, R2, Rn) von Abstrahleinrichtungen (E1, E2, En) aufweist, wobei jede Gruppe (R1, R2, Rn) von Abstrahleinrichtungen (E1, E2, En) in Abzweigung zwischen einer Vorlauf-Wasserversorgungsleitung (1) und einer Rücklaufleitung (3) angeordnet ist, wobei jede Gruppe (R1, R2, Rn) von Abstrahleinrichtungen (E1, E2, En) separat regelbar ist, und zwar mittels mindestens eines Abgleichventils einer ersten Stufe (R01, R02, R0n), dadurch gekennzeichnet, dass es die folgenden Schritte umfasst:
    Messen der Temperatur (TA) der Versorgungsleitung (1) in Strömungsrichtung vor der Serie, und Bestimmen der Temperaturdifferenz oder des Temperaturabstands (dtref) zwischen dieser Temperatur (TA) und
    einer Temperatur (TB), die so groß wie entweder die Temperatur der Rücklaufleitung (3) in Strömungsrichtung vor der Serie oder die für diese Leitung gewünschte Temperatur ist,
    sukzessives Messen der Temperatur (tsn) am Austritt einer jeden Gruppe (R1, R2, Rn) von Abstrahleinrichtungen (E1, E2, En) der Serie,
    sukzessives Bestimmen, für jede Gruppe (R1, R2, Rn) von Abstrahleinrichtungen (E1, E2, En), der Differenz zwischen der Temperatur (TA) in Strömungsrichtung vor der ersten Gruppe von Abstrahleinrichtungen (R1) und der Austrittstemperatur (tsn) jeder Gruppe (R1, R2, Rn) von Abstrahleinrichtungen (E1, E2, En), oder des spezifischen Abstands,
    Ermitteln, für jede Gruppe (R1 R2, Rn) von Abstrahleinrichtungen (E1, E2, En), eines Messkorrekturkoeffizienten (A), der so groß ist wie die Differenz,
    die zwischen dem Wert des Referenzabstands (dtref) und einem Wert besteht, der aus dem Produkt von einem Anpassungskoeffizienten (k) und
    der Differenz besteht, die zwischen dem Wert des Referenzabstands (dtref) und dem Wert des spezifischen Abstands besteht,
    Ermitteln, für jede Gruppe (R1, R2, Rn) von Abstrahleinrichtungen (E1, E2, En), eines Koeffizienten der relativen Durchflussmenge (Q%n), der so groß ist wie das Verhältnis des Referenzabstands (dtref) zum Messkorrekturkoeffizienten (A).
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass der Anpassungskoeffizient (k) bei einem ersten Regelzyklus benachbart 1,5 liegt, und für etwaige folgende Regelzyklen benachbart 1,1 liegt.
  3. Verfahren nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass man die Durchflussmenge, die einer bestimmten Gruppe von Abstrahleinrichtungen geliefert wird, dadurch korrigiert, dass man deren Durchflussmenge mit dem Kehrwert des Relativdurchflussmengenkoeffizienten multipliziert.
  4. Verfahren nach Anspruch 3, dadurch gekennzeichnet, dass die Positionierung der Stelleinrichtung des zu regelnden Ventils (R0n) gewährleistet wird in Bezug auf die hydraulische Antwort dieses Ventils bei konstantem Druck, korrigiert mit dem hydraulischen Reihenwiderstand, gemäß der Formel: q v ⁢ N = 1 1 q v ⁢ 1 ⁢ N 2 + 1 bar Δ ⁢ p × κ 1 × K vS 2
    Figure imgb0014

    wobei
    qvN: Durchflussmenge des Ventils in m3/h,
    qv1N: Durchflussmenge des Ventils in m3/h, wie durch den Hersteller angegeben oder wie auf einem hydraulischen Prüfstand gemessen,
    Δp: Druck der Bestimmung von qv1N in bar,
    k1: Autoritätsanpassungskoeffizient,
    Kvs: Durchflussmenge in m3/h bei 105 Pa der repräsentativsten Abgleichventile des Marktes in weit geöffneter Position.
  5. Verfahren nach Anspruch 4, dadurch gekennzeichnet, dass, wenn es sich erweist, dass ein Ventil bei einem ersten Regelungsvorgang zu weit geschlossen oder zu weit geöffnet war, der diesem zugehörige Autoritätsanpassungskoeffizient k1 dadurch korrigiert wird, dass er mit einem Wert erhöht wird, dessen obere Grenze 2 beträgt.
  6. Verfahren nach Anspruch 4, dadurch gekennzeichnet, dass, wenn es sich erweist, dass ein Ventil bei einem ersten Regelungsvorgang ungenügend geöffnet oder ungenügend geschlossen war, der diesem zugehörige Autoritätsanpassungskoeffizient k1 dadurch korrigiert wird, dass er mit einem Wert vermindert wird, dessen untere Grenze 0,5 beträgt.
EP05773263.8A 2004-05-26 2005-05-25 Verfahren zum hydraulischen Abgleich von Heizkörpern in einem Heizungssystem Expired - Lifetime EP1754005B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05773263T PL1754005T3 (pl) 2004-05-26 2005-05-25 Sposób zrównoważenia emiterów w instalacji ogrzewania

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0405687A FR2870927B1 (fr) 2004-05-26 2004-05-26 Procede d'equilibrage des emetteurs d'une installation de chauffage
PCT/FR2005/001295 WO2005119129A1 (fr) 2004-05-26 2005-05-25 Procede d’equilibrage des emetteurs d’une installation de chauffage

Publications (2)

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EP1754005A1 EP1754005A1 (de) 2007-02-21
EP1754005B1 true EP1754005B1 (de) 2014-11-19

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EP05773263.8A Expired - Lifetime EP1754005B1 (de) 2004-05-26 2005-05-25 Verfahren zum hydraulischen Abgleich von Heizkörpern in einem Heizungssystem

Country Status (7)

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EP (1) EP1754005B1 (de)
DK (1) DK1754005T3 (de)
ES (1) ES2529450T3 (de)
FR (1) FR2870927B1 (de)
PL (1) PL1754005T3 (de)
PT (1) PT1754005E (de)
WO (1) WO2005119129A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10697650B2 (en) * 2016-07-27 2020-06-30 Computime Ltd. Automatic balance valve control

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8109289B2 (en) 2008-12-16 2012-02-07 Honeywell International Inc. System and method for decentralized balancing of hydronic networks
EP2395288B1 (de) * 2010-06-08 2019-01-23 Comap Ausgleichsventil
CN114222891B (zh) * 2019-07-22 2023-12-05 贝利莫控股公司 用于平衡循环网络的方法和系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2746168B1 (fr) * 1996-03-14 1998-04-30 Procede d'equilibrage d'un reseau de distribution de fluide non compressible a deux tubes, a plusieurs branches ou colonnes derivees
FR2795491B1 (fr) * 1999-06-24 2001-09-28 Gefen Lycee Maximilien Perret Procede et dispositif d'equilibrage d'une installation de chauffage/refroidissement a circulation d'eau

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10697650B2 (en) * 2016-07-27 2020-06-30 Computime Ltd. Automatic balance valve control

Also Published As

Publication number Publication date
DK1754005T3 (en) 2015-03-02
PL1754005T3 (pl) 2015-07-31
WO2005119129A1 (fr) 2005-12-15
FR2870927A1 (fr) 2005-12-02
ES2529450T3 (es) 2015-02-20
FR2870927B1 (fr) 2007-10-05
EP1754005A1 (de) 2007-02-21
PT1754005E (pt) 2015-02-24

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