EP1754005A1 - Ausgleichsverfahren für strahler in einem heizsystem - Google Patents
Ausgleichsverfahren für strahler in einem heizsystemInfo
- Publication number
- EP1754005A1 EP1754005A1 EP05773263A EP05773263A EP1754005A1 EP 1754005 A1 EP1754005 A1 EP 1754005A1 EP 05773263 A EP05773263 A EP 05773263A EP 05773263 A EP05773263 A EP 05773263A EP 1754005 A1 EP1754005 A1 EP 1754005A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- series
- temperature
- valve
- coefficient
- difference
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000010438 heat treatment Methods 0.000 title claims abstract description 12
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 13
- 238000005259 measurement Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001595 flow curve Methods 0.000 description 1
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
Definitions
- the present invention relates to a method of balancing a heating / cooling installation of two-tube water circulation type premises. It is known that the balancing of a central heating installation with hot water circulation is to ensure a distribution of the flow of water circulation pumps that is in correspondence with the power of the irrigated radiators. In this type of installation it is known that the radiators are arranged in a bypass between a hot water supply line and a return line. In general, 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.
- a relative flow coefficient equal to the ratio of the reference difference on 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. .
- These relative flow curves 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 are made available by the manufacturer or, if not, are measured on a hydraulic bench.
- this relative flow rate variation q% Rn is that specific to a given brand and type valve installed alone without other hydraulic resistance in series. It will be understood that, when the valve is in series with another hydraulic resistor, this relative flow rate variation q% Rn specific to the valve is no longer usable and this especially as this hydraulic resistance is important in comparison with that of the tap. This is why such a control method is limited to the balancing of first level valves arranged in series with emitters of very low hydraulic resistance such as radiators or certain convectors. This considerably limits their use as these first-level valves are rarely accessible in occupied buildings.
- the object of the present invention is to propose a balancing method that is applicable to first and second level valves in series with emitters whose hydraulic resistance can be significant and impossible to determine.
- the subject of the present invention is thus a method for balancing a water circulation heating / cooling installation comprising at least one series of at least one emitter disposed in a bypass between an upstream water supply pipe and a downstream return pipe, each series being individually adjustable by at least one first-level balancing valve characterized in that it comprises the steps of: measuring the temperature (T A ) of the supply pipe (1) upstream of the series, and determining the difference in temperature, or reference difference (dt re f), between this temperature (T A ) and a temperature (T B ) equal to either the temperature of the return pipe (3) upstream of the series is a temperature equal to the desired temperature for this pipe, - successively measure the temperature at the output of each of the emitters or set of emitters of the series, - d successively determine, for each series, the difference between the temperature upstream of the first series and the outlet temperature of each series, or specific deviation, establish, for each series, a correction coefficient equal to the difference between the value of the reference deviation with a value constituted by the
- FIG. 1 is a schematic view of a water circulation heating installation hot line comprising a series of n sets of transmitters disposed in a shunt between a water inlet pipe and a return pipe.
- FIG. 2 is a curve representing an example of variation of the flow rate of a valve of nominal diameter 25 mm as a function of the number of turns thereof, in the direction of opening, under a constant pressure difference, of 10 5 Pa, as supplied by its manufacturer or measured on a hydraulic bench.
- FIG. 3 is a curve representing the corrected variation in the flow rate of the 25 mm nominal diameter tap defined in FIG.
- FIG. 4 installed in series with a 25 mm nominal diameter supply circuit, with a high non-removable, difficult or impossible hydraulic resistance. to calculate or measure, as a function of the number of revolutions, in the direction of opening, under a constant pressure difference p of 10 5 Pa.
- FIG. 4 identical to FIG. 3, is a curve representing the corrected variation of flow rate of 25 mm nominal diameter tap defined in Figure 4 installed in series with a circuit of 25 mm nominal supply diameter, high hydraulic resistance not removable, difficult or impossible to calculate or measure, depending on the number of turns in the direction of opening, under a constant pressure difference ⁇ of 10 5 Pa.
- FIG. 1 shows a heating installation comprising a hot water supply pipe 1 and a return pipe 3.
- R n of emitters E 1 , E 2 , E 3 , ... E m are arranged one after the other, in parallel between these two pipes 1 and 3, and each of these series R n emitters is equipped at the output of a tap ROi , R0 2 ... RO n , said second level, to adjust the flow of hot water through it.
- these emitters E m may consist of radiators, convectors, or heating or cooling batteries as well as pipes and other elements associated with them which possess a significant unknown hydraulic resistance in comparison with that of the tap which is associated with this set. We are thus in setting conditions that are very different from those where we adjusted several series consist of a single radiator.
- the balancing operation of this installation consists in ensuring that the specific bit rate of each of these series R n of transmitters is in correspondence with the respective powers.
- all the temperature measurements carried out in the context of the implementation of the balancing method according to the invention will preferably be carried out by means of thermometers capable of possessing a quasi-inexistent thermal inertia and a capacity to provide accurate and instantaneous measurement, such as infrared thermometers.
- the balance control valves bodies RO n associated with each Series R n transmitters will preferentially arranged ent position mid-hydraulic opening.
- the hydraulic mid-opening is defined by the setting position allowing a relative flow increase or decrease of the same amplitude.
- This mid-hydraulic opening can be very clearly different from the mid-mechanical opening when the control valve is in series with a significant hydraulic resistance in comparison with that of the valve.
- the temperature T A of the pipe 1 is measured at a point A which, in the diagram of FIG. located upstream of the connection of the first series Ri of transmitters, and the temperature T B of the pipe 3 at a point B, located downstream of the connection of the series Ri of transmitters.
- the temperature ts n of the pipe situated at the outlet of each of the series R n of emitters are measured. It has been established essentially empirically that the relative flow rate Q% n of a given series of transmitters R n (i.e., the percentage of the initial flow rate of this radiator with respect to its flow rate "to be adjusted” ) could be expressed as a function of the reference deviation and the temperature ts n of its outlet pipe.
- 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.
- 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 series Ri, R 2 , R 3 of emitters E n are connected in shunt.
- This gives a reference difference of ref 10 ° C.
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)
- Steam Or Hot-Water Central Heating Systems (AREA)
- Flow Control (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
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)
| Publication Number | Publication Date |
|---|---|
| EP1754005A1 true EP1754005A1 (de) | 2007-02-21 |
| EP1754005B1 EP1754005B1 (de) | 2014-11-19 |
Family
ID=34944877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05773263.8A Expired - Lifetime EP1754005B1 (de) | 2004-05-26 | 2005-05-25 | Verfahren zum hydraulischen Abgleich von Heizkörpern in einem Heizungssystem |
Country Status (7)
| Country | Link |
|---|---|
| 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180031251A1 (en) * | 2016-07-27 | 2018-02-01 | Computime, Ltd. | Automatic Balance Valve Control |
Families Citing this family (3)
| 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 |
| US12044427B2 (en) | 2019-07-22 | 2024-07-23 | Belimo Holding Ag | Method and system for balancing a hydronic network |
Family Cites Families (2)
| 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 |
-
2004
- 2004-05-26 FR FR0405687A patent/FR2870927B1/fr not_active Expired - Lifetime
-
2005
- 2005-05-25 ES ES05773263.8T patent/ES2529450T3/es not_active Expired - Lifetime
- 2005-05-25 EP EP05773263.8A patent/EP1754005B1/de not_active Expired - Lifetime
- 2005-05-25 DK DK05773263T patent/DK1754005T3/en active
- 2005-05-25 PT PT57732638T patent/PT1754005E/pt unknown
- 2005-05-25 PL PL05773263T patent/PL1754005T3/pl unknown
- 2005-05-25 WO PCT/FR2005/001295 patent/WO2005119129A1/fr not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2005119129A1 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180031251A1 (en) * | 2016-07-27 | 2018-02-01 | Computime, Ltd. | Automatic Balance Valve Control |
Also Published As
| Publication number | Publication date |
|---|---|
| DK1754005T3 (en) | 2015-03-02 |
| ES2529450T3 (es) | 2015-02-20 |
| PT1754005E (pt) | 2015-02-24 |
| FR2870927B1 (fr) | 2007-10-05 |
| PL1754005T3 (pl) | 2015-07-31 |
| FR2870927A1 (fr) | 2005-12-02 |
| EP1754005B1 (de) | 2014-11-19 |
| WO2005119129A1 (fr) | 2005-12-15 |
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