EP1074795B1 - Procédé pour calibrer hydrauliquement une installation de chauffage - Google Patents

Procédé pour calibrer hydrauliquement une installation de chauffage Download PDF

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Publication number
EP1074795B1
EP1074795B1 EP00115690A EP00115690A EP1074795B1 EP 1074795 B1 EP1074795 B1 EP 1074795B1 EP 00115690 A EP00115690 A EP 00115690A EP 00115690 A EP00115690 A EP 00115690A EP 1074795 B1 EP1074795 B1 EP 1074795B1
Authority
EP
European Patent Office
Prior art keywords
pressure
radiators
radiator
return
valve
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
Application number
EP00115690A
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German (de)
English (en)
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EP1074795A2 (fr
EP1074795A3 (fr
Inventor
Siegfried Leverberg
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LEVERBERG, SIEGFRIED
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Leverberg Siegfried
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Publication date
Application filed by Leverberg Siegfried filed Critical Leverberg Siegfried
Priority to DK00115690T priority Critical patent/DK1074795T3/da
Publication of EP1074795A2 publication Critical patent/EP1074795A2/fr
Publication of EP1074795A3 publication Critical patent/EP1074795A3/fr
Application granted granted Critical
Publication of EP1074795B1 publication Critical patent/EP1074795B1/fr
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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
    • 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
    • F24D19/1018—Radiator valves

Definitions

  • the invention relates to a method for hydraulic balancing a hot water heating system which (at least one) Circulation pump and several radiators, the Radiator with an adjustable flow valve, a flow-adjustable return valve and one lockable ventilation opening are provided.
  • the object is achieved by the invention, a method for to create hydraulic balancing of a heating system and to be designed in such a way that the desired pressure difference in thermal calculations controllable and verifiably adjusted.
  • This can be achieved, the hot water heating systems energetically to be able to operate particularly economically to use less energy consume and thus reduce the environmental impact.
  • the controllability of the upcoming technical values an optimization of the system function reached.
  • the pressure difference on the radiator for the maximum flow volume flow Help of the already existing or to be installed Return valve set.
  • This setting is always with fully opened inlet valve (thermostatic valve).
  • the size of the volume flow is below the maximum value then determined by the thermostatic valve.
  • a default on Thermostat valve is therefore generally no longer required, but in certain cases may be additional be provided.
  • For the return valves it is recommended especially in new buildings, to choose a construction that will their throttling behavior the most accurate setting possible favored.
  • measurements are made directly on the respective Radiator done.
  • the possible measuring location ranges from Inlet valve to the return valve.
  • This is Have fixed measuring devices used or the Mount measuring devices for the purpose of the respective measurements or can be dismantled, it is preferred according to the invention, firmly installed measuring connections to be provided, which for the connection of the measuring device can be used. hereby becomes a simplified but safe measurement for each Setting allows, with labor costs and energy expenditure be saved. By saving on labor and Such demand connections are special in terms of energy costs economically.
  • Such a demand measurement connection is made according to the invention in particular instead of the usual vent plugs the radiators provided and used.
  • a accordingly designed manually operated ventilation and Measuring connection valve there are simple possibilities for Venting, pressure relief, filling and measurement on everyone Radiator.
  • the connections can be self-opening at Connect and self-close when disconnecting Venting and / or measuring devices. Therefore allow such valves a simple, clean, quick and safe How to use the adjustment procedure without to shut down the system.
  • Such one Connection is in EP-99104565.9 by the same applicant described.
  • the invention provides an exact, measurable setting of the predetermined differential pressure ⁇ p on each individual radiator allows. So the hydraulic balancing can be carried out so that, when used as intended, all Heat consumers according to their heating requirements with heating water be supplied.
  • the setting values of the respective String controls are measured and monitored. Over a There is a measuring point for each line, floor or residential unit Possibility of the desired values for the string regulation adjust, review, monitor and each adjust the connected radiator individually.
  • Throttle point as constant throttle or constant set Throttle point is parallel to the rest of the system and one Current division in the system and physical Fact that liquids are always the way of the least Resistance is a flow adjustment through the Setting the pressure difference via the constant throttle point possible if a second adjustable throttle point with the constant throttle point is connected in series. This This also occurs with heating systems.
  • thermostatic valves (flow valves) ZLV so far turn on that your setting the maximum setting during corresponds to normal heating operation without a Thermostat effect already occurs.
  • the Return valves RLV are still adjusted, the Setting to the exact or desired flow value is simple and controllable.
  • the flow rate of the individual radiators adjust that the cooling of the heating water in the upper Floors can be taken into account by the Throughput to a slightly higher value with these radiators
  • procedure I all measurements are made for the desired pressures and to set the pressure difference on single radiator over a single measurement and Vent connection, which instead of the usual Vent plug is used.
  • the first comparison should Basically preferably in a cold system, when the system is closed Mixer and running pump are carried out.
  • the Setting value for the pressure difference is obtained by subtracting the desired ⁇ p calculated from the inlet pressure and with constant Control set by the pressure measurement on the return valve.
  • Thermostat valves may also have a different basic setting, but which would have to be documented so that the starting position is repeatable.
  • the procedure described does not only include that Hydraulic balancing process by adjusting the Pressure difference ⁇ p on the individual radiator, but also offers the possibility by appropriate measurements or simple Calculations of the overall hydraulic function of a To be able to assess the heating system.
  • the setting of the pressure difference on the individual radiator is namely depending on the constancy of the inlet pressure before the Consumer during the setting process.
  • the first comparison should preferably be used in cold systems closed mixer and running pump. Since the inlet pressure is an important control variable for the Plant function, it may be desirable to have at least one Measuring point for this on every floor or in every living unit provided. This makes sense on every floor because the static pressure and thus the readings of the Inlet pressures have different values. This measuring point can e.g. be installed in the bathroom or in the toilet. If the operator has a manometer permanently connected there even the ability to easily use the heating function to be able to control from his apartment. He can e.g. assess whether the system - after venting - again must be filled up and whether e.g. the desired values for the respective string regulation can be kept.
  • Figure 4 shows the principle History of important pressure values. Please note the following.
  • the measuring points shown follow an imaginary, vertical one running pipeline with assumed height and fictitious Resistance values.
  • the display does not show the additional resistances resulting from the Distribution networks on the respective floors.
  • the zero point for the double-sided coordinate system is then in the idle state for the static pressure (p ST ) and for the minimum pressure (p M ) at 0 1 .
  • the intersection of the straight line Zu with the X-axis (P-values) indicates the pressure measured directly behind the pump in the inlet, which is referred to as inlet pressure in the further course of the system.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Basic Packing Technique (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Forging (AREA)
  • Heat Treatment Of Articles (AREA)

Claims (15)

  1. Procédé pour l'étalonnage hydraulique d'une installation de chauffage à eau chaude qui comporte, dans le réseau de distribution, une pompe de circulation et plusieurs radiateurs qui peuvent se trouver aussi à differénts étages, les radiateurs étant pourvus d'une soupape d'arrivée de débit réglable, d'une soupape de retour de débit réglable et d'un orifice de purge d'air pouvant être fermé, dans le procédé
    a) l'installation de chauffage étant remplie et les soupapes d'arrivée et soupapes de retour de tous les radiateurs étant ouvertes et les radiateurs étant purgés d'air de l'étage le plus bas vers les étages supérieurs,
    b) les orifices de purge d'air étant fermés et l'installation de chauffage continuant d'être remplie à l'encontre de la pression du récipient d'équilibrage, alors que la pompe de circulation est à l'arrêt et les soupapes d'arrivée et soupapes de retour sont ouvertes, jusqu'à ce que la pression minimale prédéterminée (pM) soit atteinte,
    c) la pompe de circulation est mise en marche et, avec les soupapes d'arrivée et soupapes de retour ouvertes, la pression d'arrivée (pZ) est mesurée sur chaque radiateur entre sa soupape d'arrivée et sa soupape de retour, et
    d) alors que la pompe de circulation est en marche et la soupape d'arrivée ouverte, la pression est réglée dans le radiateur considéré, avec mesure permanente de la pression, sur la pression de réglage (pE) déterminée en fonction de la pression différentielle de consigne (Δp) calculée pour le radiateur considéré, par réglage de sa soupape de retour.
  2. Procédé selon la revendication 1, dans lequel on règle la soupape de retour jusqu'à ce que la valeur mesurée de la pression corresponde à la différence entre la pression d'arrivée mesurée (pZ) et la pression différentielle de consigne (Δp).
  3. Procédé selon la revendication 1 ou 2, dans lequel on procède à une pré-réduction dans le radiateur considéré en ce qu'au cours de l'étape c) après mise en marche de la pompe de circulation et alors que la soupape d'arrivée est ouverte, on règle la soupape de retour, avec des mesures permanentes de la pression, jusqu'à obtenir une valeur prédéfinie de la pression différentielle pour la pré-réduction.
  4. Procédé selon l'une des revendications 1 à 3, dans lequel on mesure comme pression, dans le radiateur considéré, la pression au droit de l'orifice de purge d'air du radiateur considéré.
  5. Procédé selon l'une des revendications 1 à 4, dans lequel le radiateurs ou les radiateurs et leurs soupapes de retour sont équipés pour les mesures de la pression de raccords de mesure de la consommation.
  6. Procédé selon les revendications 4 et 5, dans lequel les radiateurs sont équipés au droit de leur orifice de purge d'air d'une soupape de purge d'air qui est conçue comme sortie de purge d'air et comme raccord de mesure de la pression.
  7. Procédé selon l'une des revendications 1 à 6, dans lequel avant la mise en marche de la pompe de circulation et alors que les soupapes d'arrivée et les soupapes de retour sont ouvertes, on ouvre un orifice de purge d'air au point le plus haut de l'installation et les pressions statiques (pST) sont mesurées et enregistrées à chacun des étages, dans au moins un radiateur.
  8. Procédé selon l'une des revendications 1 à 7, dans lequel, après mise en marche de la pompe de circulation, on mesure et enregistre la pression de la pompe (pP) juste en aval et juste en amont de la pompe de circulation dans sa conduite de refoulement ou dans sa conduite d'aspiration.
  9. Procédé selon l'une des revendications 1 à 8, dans lequel la perte de charge (pV) de l'installation jusqu'au point de mesure sur le radiateur, est calculée et enregistrée comme différence entre la pression de la pompe (pp) et la pression d'arrivée (pZ).
  10. Procédé selon l'une des revendications 1 à 9, dans lequel on calcule la plage de la pression de travail (pA) sur chaque radiateur en tant que différence entre la pression d'arrivée (pZ) et la pression de retour (pR), et on l'enregistre.
  11. Procédé selon l'une des revendications 1 à 10, dans lequel à chaque étage ou dans chaque unité d'habitation, on installe au moins un raccord de mesure et de purge d'air dans la ligne d'arrivée pour la mesure permanente de la pression d'arrivée (pZ).
  12. Procédé pour l'étalonnage hydraulique d'une installation de chauffage à eau chaude en fonctionnement, qui comporte dans le réseau de distribution une pompe de circulation et plusieurs radiateurs qui peuvent se trouver aussi à différents étages, les radiateurs étant pourvus d'une soupape d'arrivée de débit réglable, d'une soupape de retour de débit réglable et d'un orifice de purge d'air pouvant être fermé, sur chaque radiateur:
    a) on mesure la pression d'arrivée (pZ) alors que la soupape du thermostat est ouverte et la soupape de retour fermée;
    b) on définit la valeur de consigne de la pression différentielle (Δp) à régler à partir du calcul thermique, à l'aide de données du fabricant relatives aux soupapes ou sur la base de valeurs expérimentales pour le radiateur considéré;
    c) on calcule la pression de réglage (pE) par soustraction de la valeur de consigne pour la pression différentielle (Δp) à régler, de 1 pression d'arrivée (pZ) ;
    d) on règle, à l'aide de la soupape de retour considérée et avec contrôle visuel permanent, la pression de réglage (pE) calculée, sur l'affichage du dispositif de mesure de la pression;
    e) on renouvelle les étapes a) à d) pour chaque radiateur de l'installation, jusqu'à ce que tous les radiateurs du système soient étalonnés.
  13. Procédé selon la revendication 12, dans lequel on mesure comme pression sur chaque radiateur, la pression au droit de l'orifice de purge d'air du radiateur considéré.
  14. Procédé selon l'une des revendications 12 ou 13, dans lequel les radiateurs ou les radiateurs et leurs soupapes de retour sont équipés de raccords de mesure de la consommation pour les mesures des la pression.
  15. Procédé selon les revendications 13 et 14, dans lequel les radiateurs sont équipés, au droit de leur orifice de purge d'air, d'une soupape de purge d'air qui est conçue comme sortie de purge d'air et comme raccord de mesure de la pression.
EP00115690A 1999-07-28 2000-07-21 Procédé pour calibrer hydrauliquement une installation de chauffage Expired - Lifetime EP1074795B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK00115690T DK1074795T3 (da) 1999-07-28 2000-07-21 Fremgangsmåde til hydraulisk justering af et varmeanlæg

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19935057 1999-07-28
DE19935057 1999-07-28
DE10003394 2000-01-26
DE10003394A DE10003394A1 (de) 1999-07-28 2000-01-26 Verfahren zum hydraulischen Abgleichen einer Heizungsanlage

Publications (3)

Publication Number Publication Date
EP1074795A2 EP1074795A2 (fr) 2001-02-07
EP1074795A3 EP1074795A3 (fr) 2001-10-17
EP1074795B1 true EP1074795B1 (fr) 2004-10-06

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EP00115690A Expired - Lifetime EP1074795B1 (fr) 1999-07-28 2000-07-21 Procédé pour calibrer hydrauliquement une installation de chauffage

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EP (1) EP1074795B1 (fr)
AT (1) ATE278916T1 (fr)
DE (2) DE10003394A1 (fr)
DK (1) DK1074795T3 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10057416A1 (de) * 2000-11-20 2002-05-29 Albert Bauer Zentralheizung für zu beheizende Räume
DE102006060324A1 (de) 2006-12-20 2008-07-03 Techem Energy Services Gmbh Verfahren und System zur Detektion des hydraulischen Abgleichs einer Heizungsanlage
DE102008003315A1 (de) * 2008-01-07 2009-07-09 Viessmann Werke Gmbh & Co Kg Heizungsanlage und Verfahren zum Betrieb einer Heizungsanlage
FR2931226B1 (fr) * 2008-05-19 2013-08-16 Acome Soc Coop Production Procede et systeme de controle d'un circuit hydraulique a plusieurs boucles d'echange de chaleur
DE102010049193A1 (de) 2010-10-21 2012-04-26 Arne Feldmeier Vorrichtung und Verfahren für einen Ventilaufsatz mit bevorzugter Verwendung am Heizkörper
CN102323789B (zh) * 2011-09-27 2013-02-13 广州市韦科智能阀门有限公司 多用途水力平衡自动控调装置
AT513733A1 (de) * 2012-10-30 2014-06-15 Vaillant Group Austria Gmbh Verfahren zum hydraulischen Abgleich eines Heizungssystems
DE102012023848A1 (de) 2012-12-05 2014-06-05 iEXERGY GmbH Verfahren und Vorrichtung zur Vereinfachung des hydraulischen Abgleichs von fluiddurchströmten Leitungsnetzen
CN104214810B (zh) * 2014-09-27 2017-04-12 卓旦春 水力平衡温度调节法
CN104832977B (zh) * 2015-05-08 2017-05-24 清华大学 一种调节供热管道压力的系统及方法
CN111520887A (zh) * 2016-01-26 2020-08-11 熊火平 一种中央空调系统动态水力平衡调节装置
CN114076338A (zh) * 2021-11-17 2022-02-22 山东日照发电有限公司 一种庭院管网供热节能减阻系统和方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4221725A1 (de) 1992-07-02 1994-01-05 Buderus Heiztechnik Gmbh Verfahren zum automatischen Erzielen eines hydraulischen Abgleichs in einer Heizungsanlage
AT401571B (de) * 1994-04-12 1996-10-25 Landis & Gyr Tech Innovat Warmwasserheizung mit einer differenzdruckregelung

Also Published As

Publication number Publication date
ATE278916T1 (de) 2004-10-15
EP1074795A2 (fr) 2001-02-07
DE50008069D1 (de) 2004-11-11
EP1074795A3 (fr) 2001-10-17
DE10003394A1 (de) 2001-02-22
DK1074795T3 (da) 2005-01-31

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