EP3115702B1 - Procede de reglage de systemes de chauffage a economie d'energie - Google Patents

Procede de reglage de systemes de chauffage a economie d'energie Download PDF

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Publication number
EP3115702B1
EP3115702B1 EP16001360.3A EP16001360A EP3115702B1 EP 3115702 B1 EP3115702 B1 EP 3115702B1 EP 16001360 A EP16001360 A EP 16001360A EP 3115702 B1 EP3115702 B1 EP 3115702B1
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Prior art keywords
heating
boiler
temperature
heat
return
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EP16001360.3A
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German (de)
English (en)
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EP3115702A1 (fr
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Walter Sander
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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
    • 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
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/02—Fluid distribution means
    • F24D2220/0257—Thermostatic valves

Definitions

  • the invention relates to a method for setting energy-saving heating systems according to the preamble of claim 1.
  • An energy-saving system can be achieved by using an outside temperature to be recorded in intervals and respective measured values of the return temperature. It turned out to be disadvantageous when adjusting the system that an intervention in the boiler output by changing the nozzles of the burners is necessary, whereby a known heating pump is used for a uniform circulation of the heat transfer medium through all radiators, after a DIN-compliant hydraulic Adjustment was made.
  • the invention deals with the problem of creating a method for the energy-saving setting of heating systems, with which an increase in efficiency can be achieved both with newly designed systems and with existing old systems with less technical effort and the setting of the system for energy-saving process parameters in comparison short time is possible.
  • the concept according to the invention is defined in claim 1 and is directed to the fact that now all of the radiators forming a heating circuit are set in succession to a constant inflow of heating water in accordance with their receiving volume assigned to a respective heat capacity.
  • work is only carried out by means of individual shutoffs in the return valve.
  • a total volume of the heating water circulating in the heating system can then be formed.
  • the system is then checked by means of a comparatively simple volume flow measurement in the return of the line network. Due to these targeted settings only on the return, it is possible to achieve a higher heat capacity from the heating surfaces and thus lower the operating heating temperature of the entire system.
  • thermo-dynamic-hydraulic balancing is carried out according to the invention.
  • Individual components for thermo-dynamic-hydraulic balancing can advantageously be replaced by a heating pump in the return of the system.
  • This thermo-dynamic presetting is designed in such a way that the heating loads can subsequently be controlled by building and user-specific parameters.
  • thermostatic valves on the existing heating surfaces are largely unnecessary, since they are only required to a small extent for room temperature control. When planning new heating systems, these valves may be dispensed with.
  • thermo-dynamic-hydraulically balanced heating system is equipped with a weather-controlled system.
  • a controller that has been specially adapted to this system and is therefore more effective is designed so that the heating temperature, heating times, hot water preparation, heating zones and the heating pump can be controlled using efficient computer software. It has been shown that the switch-on and switch-off intervals provided in conventional burners can be reduced from approximately 8 times an hour to 1 times an hour using the system set according to the invention.
  • the heating circuit which includes the entire pipeline network of supply and return, can be operated with an optimally utilizable boiler after the thermo-dynamic-hydraulic adjustment without heat provision.
  • the boiler is measured in a controlled manner for the total volume of the liquid flows moving in the radiators and the pipes.
  • thermostatic valves in the area of the radiators - are not necessary in every case for the above-described procedure.
  • respective thermostatic valves provided in the area of the radiators should be set to essentially the same flow temperatures at least in the setting phase. This directly achieves the uniform temperature distribution in the area of the radiators.
  • the individual settings of the barriers used in the subsequent adjustment according to the invention in the area of the respective radiators are aimed at minimizing the temperature gradient in each of the radiators in the thermodynamic-hydraulically adjusted system is proven.
  • a uniform measurement of the radiation temperature is checked on each radiator by means of a temperature measuring device and that the flow volume is adjusted accordingly if necessary.
  • the state of heat distribution on each radiator can be checked by means of a temperature measuring device.
  • the temperature and / or heat distribution status is checked after a heating phase of the heating system and then adjusted to the heating output of the boiler so that it works in an optimal range in every operating case, for example depending on the outside temperature .
  • the accuracy of the individual settings of the system can also be checked in the vicinity of the return pump using a thermal load profile measurement.
  • the overall efficiency of the heating system can be calculated with little effort and adjusted to optimal consumption values.
  • Fig. 1 a section of a heating system with a heating system 1, which can be installed, for example, in a home or the like building.
  • a heating system 1 which can be installed, for example, in a home or the like building.
  • Such an existing or to be planned heating system 1 provided with a branched supply line 2 having a line network 3, with which the heating water is supplied to respective radiators HK.
  • the cooled heating water can be returned from these radiators HK to a boiler 4 via adjustable shut-offs AV (arrow R).
  • the radiators HK forming a heating circuit are set in accordance with their receiving volume assigned to a respective heat capacity. For this it is sufficient that now only the respective individual shut-offs AV in the return 5 of the radiator HK are used.
  • the radiators HK are set in succession to a constant supply of heating water, the respective supply valves TV being 100% open.
  • the required total volume of the heating water can be checked via a volume flow measurement VM in the return 5 of the line network 3 (at 7, Fig. 1 ). This test ensures that the systems to be adapted to the respective required heating outputs in the area of the boiler 4 have an optimal setting for dispensing for all of the radiators HK.
  • the heating circuit of the system 1, including the line network 3, is directed towards an optimally utilizable boiler 4 without providing heat.
  • the boiler 4 on the Total volume of the number of HK radiators measured in a controlled manner.
  • the system according to the invention is designed in such a way that a thermo-dynamic-hydraulic adjustment can be carried out on the heating system 1 and thus demonstrably increases the efficiency.
  • thermo-dynamic-hydraulic balancing method the output of the at least one heating boiler or the like heat supplier being adjusted to the water volume of the total volume consisting of pipes and radiators and then an optimal flow rate depending on the line diameter can be adjusted.
  • Fig. 1 shows that the heating circuit including the line network 3 is operated without heat provision with an optimally utilizable boiler 4.
  • This boiler 4 is calibrated to the total volume of the radiators HK and the corresponding lines in the flow 2 and return 5 present in the system.
  • the respective thermostatic valves TV are shown in a fully open position, so that at least in the thermodynamic-hydraulic adjustment phase of the adjustment according to the invention, the essentially the same flow temperature is effective in all radiators HK.
  • the radiator HK2 (30 liters / h) has an open position of 4% and the radiator HK3 (100 liters / h h) is set to 13% as an example.
  • the system 1 is provided with a pump 6 which ensures a constant hydraulic pressure P - at least during the setting phase of the shut-offs AV.
  • this pump 6 is integrated into the system in the area of the return 5 receiving the return water.
  • thermodynamic optimization of the radiators HK can be checked by adjusting them individually in the area of the shut-off AV on each of the radiators HK by means of a temperature measuring device.
  • Heat distribution conditions shown as examples can be recorded with a thermal imaging camera or the like. It follows that after a heating-up phase of the heating system 1, the temperature and / or heat distribution state is appropriately matched to the respective heating output of the boiler 4 for efficient use of energy.
  • a further advantageous embodiment of the method procedure provides that the individual settings of the system in addition to the volume flow measurement already described (at 7, Fig. 1 , Ultrasonic measuring points) can also be checked in the vicinity of the return pump 6 via a thermal load profile measurement 8. This makes it possible that the overall efficiency of the heating system 1 can be calculated from a comparison of the measured values from the volume flow measurement 7 and the thermal load profile measurement 8 with the consumption values of primary energy in the area of the gas meter 9.
  • the system according to the invention in contrast to the known method of heating technology - no longer assumes a comparatively large temperature difference in the heating surfaces HK. Rather, it is provided that in the thermo-dynamic-hydraulically balanced system in the heating surfaces HK a very small temperature difference in the range from 1 ° C to 4 ° C ( Fig. 2 ) is realized.
  • the setting procedure is aimed at ensuring that the heating surface temperature in the heating phase ( Fig. 2 ) and the heating surface temperature in the cooling phase ( Fig. 3 ) be optimized in a temporal relationship.
  • the entire heating system 1 operates with a temperature difference - from heated heating surface to cooled heating surface - in such a way that the respective outside temperatures, for example, only with a difference of 15 ° C. This then means that in the heating phase the total volume of system 1 only has to be heated up once per hour.
  • This efficient process management after optimal thermodynamic-hydraulic balancing is achieved in particular when approx. 80% of the heating surfaces to be heated are set to the target temperature of the respective room.
  • a heating system designated 1 ' which is adapted with the system according to the invention to the existing installation of sixteen radiators HK.
  • An optimal implementation and control of the thermo-dynamic-hydraulic balancing is on the radiators HK by a Sound measurement provided.
  • an additional sound measurement is carried out using the respective measuring points M16 to control the thermodynamic-hydraulic balancing.
  • an additional gate valve 13 (or 13 'in the flow 2) is provided in front of the pump 6' in the return 4, so that the system can be completely separated from the boiler 4 if necessary.
  • the system also works with at least one flow sensor 14, an outside sensor 15 and a room sensor 17.
  • the computer-controlled heating controller designated overall by 16, is provided. This heating controller 16 preferably regulates the actual, hourly and / or object-related heat requirement. There is also no heat retention here (see Fig. 1 ) provided or required.
  • an exhaust gas measurement takes place in the area of the boiler 4, an exhaust gas temperature of 65 ° C. being set, for example.
  • Respective sensors M13 and M14 are provided for the thermo-dynamic-hydraulic adjustment for temperature difference measurement. After measuring system 1 ', the two sensors M13 and M14 can then be removed.
  • the already in Fig. 1 Obvious measuring point 7 'in the area of the sound measuring device VM is applied to this system 1' in connection with the respective sound measurements at M16 the radiators HK used for flow measurement. It has been shown that this device 1 '- in spite of the complexity and size with a large number of radiators HK - under normal temperature conditions - for example also in winter operation - only has to carry out a switching operation ten to thirty times a day.
  • FIG. 7 Another application of the system according to the invention is shown in the area of a large system (for example: school or office building), wherein after carrying out the method according to the invention for thermodynamic-hydraulic balancing, the respective heat outputs of more than 100 KW to 8000 KW can be controlled.
  • a single heat generator in the form of the boiler 4 can be used.
  • a cascade arrangement of several boilers is used (not shown).
  • a high-efficiency heating pump 6 ' is advantageously installed on the return 5, this pump 6' also being provided with a frequency converter 21.
  • pressure-controlled heating pumps are used which are dependent on a pressure difference measurement on the flow, which is not provided according to the invention.
  • the volume flow measurement according to the invention (at 20) is aimed at the fact that, when the heating zones Z 'change, the delivery volume of the pump 6' operating at the same pressure is adjusted via the controller 16. In addition, the heating time in the area of the boiler 4 is adjusted according to the zone change Z 'via the controller 16.
  • the well-known ultrasonic measuring device 7 is provided in VM, which is temporarily on the Return line 5 is attachable.
  • the measurement points 22 and 23 there is a temperature difference measurement, and the measurement points 24 and 25 are used for the intended pressure measurement P.
  • the heat generator power measurement already described takes place in the area of the measuring point 18 '.
  • the volume flow meter 20 interacts via the controller 16 with the frequency converter 21 of the pump 6 ', so that corresponding increases or decreases in the output of the boiler 4 can be optimally realized.
  • the system according to the invention uses the load profile measurement 8, which is known per se, for rapid detection of the system efficiency.
  • This measurement can be carried out immediately after the conversion of a system, so that the measurement cycle, which extends over a year or a heating period in conventional systems, is significantly shortened and an immediate evaluation is available for the system user.
  • the measurement is particularly successful when the room temperatures are less than 20 ° C, preferably less than 16 ° C.

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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)

Claims (10)

  1. Procédé de réglage de systèmes de chauffage à économie d'énergie, dans lequel dans des installations de chauffage présentes (1) avec un réseau de conduites (3) présentant des conduites aller ramifiées (2) l'eau chaude est amenée aux corps de chauffage (HK) respectifs et à partir de ceux-ci par des barrières (AV) réglables l'eau chaude refroidie est ramenée dans une conduite retour (5) à une chaudière (4), caractérisé en ce que tous les corps de chauffage (HK) formant un circuit de chauffage sont réglés selon leur volume de réception associé à une capacité thermique respective seulement au moyen de barrières (AV) individuelles respectives dans la conduite retour (5) les uns après les autres à une arrivée constante d'eau chaude, pour lequel la différence de température entre la conduite aller et la conduite retour est maintenue au niveau du corps de chauffage dans la plage de 1 °C à 4 °C, puis ces réglages adaptables aux puissances de chauffage nécessaires respectivement des espaces sont commandés au moins par une mesure de courant volumique (VM) détectant un volume total dans la conduite retour (5) du réseau de conduites (3) et ainsi un équilibrage hydraulique thermodynamique est réalisé au niveau de l'installation de chauffage (1) de telle manière que sans dérivation de chaleur dans le système de chauffage pour la chaudière chargeable de manière optimale et mesurée de manière commandée sur le volume total des courants de liquide déplacés dans les corps de chauffage et les conduites avec une minimisation de la chute de température dans chacun des corps de chauffage une capacité thermique supérieure est obtenue à partir des surfaces de chauffage et la température de chauffage de fonctionnement nécessaire est abaissée.
  2. Procédé selon la revendication 1, caractérisé en ce que le circuit de chauffage incluant le réseau de conduites est actionné sans dérivation de chaleur avec une chaudière (4) pouvant être chargée de manière optimale de telle manière que la chaudière (4) soit mesurée de manière commandée sur le volume total.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que des vannes thermostatiques (TV) respectives prévues dans la zone des corps de chauffage (HK) sont réglées au moins dans la phase de réglage à des températures de conduite aller sensiblement identiques.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que le système est actionné avec une pompe (6, 6') garantissant une pression hydraulique (P) constante pendant la phase de réglage des barrières (AV) et recevant l'eau chaude dans la conduite retour (5).
  5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que le réglage individuel de la barrière (AV) est dirigé dans la zone du corps de chauffage (HK) respectif sur une minimisation de la chute de température dans chacun des corps de chauffage (HK) et celle-ci est commandée au niveau de chaque corps de chauffage (HK) au moyen d'un appareil de mesure de température.
  6. Procédé selon la revendication 5, caractérisé en ce que l'état de répartition de chaleur est vérifié au niveau de chaque corps de chauffage (HK) au moyen d'un appareil de mesure de température.
  7. Procédé selon la revendication 5 ou 6, caractérisé en ce que l'état de répartition de température et/ou de chaleur est adapté après une phase de chauffage de l'installation de chauffage (1) à la puissance de chauffage de la chaudière (4).
  8. Procédé selon l'une des revendications 1 à 7, caractérisé en ce que les réglages individuels du système sont commandés en outre pour la mesure de courant volumique (VM) dans la zone proche de la pompe de conduite de retour (6, 6') par une mesure de courbe de charge (8) thermique.
  9. Procédé selon l'une des revendications 1 à 8, caractérisé en ce que l'efficience de l'installation de chauffage (1) est calculée à partir d'une comparaison des valeurs de mesure de la mesure de courant volumique (VM) et la mesure de courbe de charge (8) thermique avec la consommation d'énergie primaire (9) de la chaudière (4).
  10. Procédé selon la revendication 9, caractérisé en ce que le rendement de l''installation peut être directement déterminé après le réglage de tous les composants au moyen de la mesure de courbe de charge (8) et la température ambiante est abaissée à moins de 20 °C, de préférence moins de 16 °C.
EP16001360.3A 2015-07-06 2016-06-16 Procede de reglage de systemes de chauffage a economie d'energie Active EP3115702B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015008758.4A DE102015008758A1 (de) 2015-07-06 2015-07-06 Verfahren zur Einstellung von energiesparenden Heizungssystemen

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EP3115702A1 EP3115702A1 (fr) 2017-01-11
EP3115702B1 true EP3115702B1 (fr) 2020-04-22

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CN111023223B (zh) * 2019-12-30 2021-09-07 南京国之鑫科技有限公司 基于云端和回水温度的供暖热网智能水力平衡系统
CN111911996A (zh) * 2020-06-19 2020-11-10 国电南瑞科技股份有限公司 一种基于移动端热舒适反馈的供热系统控制方法和装置
CN114623490B (zh) * 2022-04-21 2023-09-22 河南理工大学 一种便携式静态水力平衡智能调节装置及其实现方法

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
DE4211914C2 (de) 1992-04-09 1996-04-18 Walter Sander Heizungstechnik Verfahren zur Regelung einer Heizungsanlage mit einer Datenverarbeitungseinheit
DE4419941C2 (de) 1994-06-08 1997-04-10 Stiebel Eltron Gmbh & Co Kg Verfahren zum Steuern einer Raumheizungsanlage
AT404075B (de) 1995-10-30 1998-08-25 Vaillant Gmbh Verfahren zur steuerung einer heizungsanlage
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
DE102010052677A1 (de) * 2010-11-25 2012-05-31 Volker Stahl Verfahren zum hydraulischen Ausgleich von Warmwasser-Heizungsanlagen
DE202013000593U1 (de) * 2013-01-22 2014-04-23 Gebr. Kemper Gmbh + Co. Kg Metallwerke Regelventil für Heizkörper

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EP3115702A1 (fr) 2017-01-11
DE102015008758A1 (de) 2017-01-12

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