EP3601688A1 - Procédé de fonctionnement d'un système de circulation et système de circulation - Google Patents

Procédé de fonctionnement d'un système de circulation et système de circulation

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Publication number
EP3601688A1
EP3601688A1 EP19729444.0A EP19729444A EP3601688A1 EP 3601688 A1 EP3601688 A1 EP 3601688A1 EP 19729444 A EP19729444 A EP 19729444A EP 3601688 A1 EP3601688 A1 EP 3601688A1
Authority
EP
European Patent Office
Prior art keywords
line
water
temperature
circulation system
water temperature
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
EP19729444.0A
Other languages
German (de)
English (en)
Other versions
EP3601688B1 (fr
Inventor
Roberto BAWEY
Patric OPITZ
Olaf HEINECKE
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.)
Ltz Zentrum Fuer Luft und Trinkwasserhygiene GmbH
Original Assignee
Ltz Zentrum Fuer Luft und Trinkwasserhygiene GmbH
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 Ltz Zentrum Fuer Luft und Trinkwasserhygiene GmbH filed Critical Ltz Zentrum Fuer Luft und Trinkwasserhygiene GmbH
Priority to SI201930075T priority Critical patent/SI3601688T1/sl
Priority to PL19729444T priority patent/PL3601688T3/pl
Priority to RS20210789A priority patent/RS62102B1/sr
Publication of EP3601688A1 publication Critical patent/EP3601688A1/fr
Application granted granted Critical
Publication of EP3601688B1 publication Critical patent/EP3601688B1/fr
Priority to HRP20210994TT priority patent/HRP20210994T1/hr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/04—Domestic or like local pipe systems
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/04—Domestic or like local pipe systems
    • E03B7/045—Domestic or like local pipe systems diverting initially cold water in warm water supply
    • 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
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/0073—Arrangements for preventing the occurrence or proliferation of microorganisms in the water
    • 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
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/0078—Recirculation systems
    • 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
    • F24D19/1051—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water
    • F24D19/1054—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water the system uses a heat pump
    • 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
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/02—Domestic hot-water supply systems using heat pumps

Definitions

  • the invention relates to a method for operating a circulation system and a circulation system, each according to the features of the preambles of the independent claims.
  • DIN EN 806, as well as VDI guideline 6023 for drinking water installations in buildings requires a limitation of the temperature of the cold drinking water (PWC) in all lines of the installations to a maximum of + 25 ° C at all times.
  • PWC cold drinking water
  • the water temperature should not exceed + 25 ° C 30 seconds after the full opening of a sampling point.
  • the cold water installation should be designed so that under normal operating conditions, the drinking water in all pipes of the installation is regularly renewed.
  • the VDI guideline 6023 contains the recommendation to keep the temperature of the drinking water as low as possible below + 25 ° C. It is understood that often for other water installations a temperature limitation of the water is considered necessary, for example, for installations of industrial process water.
  • A1 method for the operation of a circulation system with a heat storage, a circulation pump, a control unit and at least two strands and with otherwise unknown pipe network structure is known.
  • the strands, each of which has a valve that can be adjusted by a motor drive correspond to temperature sensors which are arranged between the strands before each mixing point.
  • the motor drives and / or the circulation pump are connected for data exchange with the control unit wireless or wired.
  • the control unit is designed to perform a thermal hydraulic balancing and a thermal disinfection by a stroke limitation of measured temperatures and / or an adjustment of the pump power as a function of a difference between a temperature actual value and temperature target value.
  • a drinking and service water supply device of a building with a house connection for cold water which is connected to the public supply network known.
  • the supply device comprises at least one circulation line, which is provided with a pump, and leads to at least one consumer.
  • a heat exchanger is provided which extracts heat from the water.
  • EP 3 159 457 A1 also describes a drinking and service water supply device of the type known from DE 20 2015 007 277 U1, the heat exchanger being formed by a latent heat accumulator and a motor-operated purge valve provided in the circulation line, which is connected to a control device in terms of control is has.
  • the purge valve is disposed between the latent heat storage and a mouth of the house connection in the circulation line and downstream of the latent heat storage in the flow direction.
  • the method according to the invention relates to a circulation system having a cooling device with an inlet port and an outlet port for cooling water and with a line system having a plurality of strands which have one or more sub-sections with given heat coupling to an environment and connected by nodes one or more of the lines of the conduit system are designed as a supply line, at least one individual supply line connected to a removal point and at least one line designed as a circulation line is connected to the supply line (s).
  • the method according to the invention for operating the circulation system is characterized in that, starting from a temperature start value T MA * ⁇ T soll and a volume flow start value V z * for the first partial path connected to the output port, a temperature change of the water between the starting region and end region correspondingly a model of the axial temperature change is determined, a change in temperature of the water between the start region and end region for any given further, connected to the first leg partial section is determined according to the model of the temperature change, under the boundary condition that the water temperature in the initial range of the given subsection equal to the water temperature is in the end of the leg to which the given section is connected in the flow direction of the water and the value T a of the water temperature and the value V z of the flow at the output port are chosen so that in the end of j
  • the water temperature T MA * ⁇ T soll is and at the input port the water temperature T b ⁇ T soll with T soll - T b ⁇ Q, where q> 0 is a predetermined value.
  • the determining consists of calculating according to the model of the axial temperature change of the water between the starting region and the end region of the partial route, So the corresponding line piece, due to heat absorption from the environment of the leg. Starting with the first part section connected to the cooling device, this will successively pass through the entire system of the sections and therefore the temperature in the entire system will be calculated.
  • the value T a of the water temperature and the value V z of the volume flow at the output port, which is achieved in the end region of each section of the circulation system, the water temperature T ME ⁇ T soll and at the input port, the water temperature T b ⁇ T should be determined with T soll - T b ⁇ Q, where q> 0 is a predetermined value, by means of a modeling of temperature and flow rates of circulating in the pipe system water, preferably calculated. This is preferably done for a steady state Vz state.
  • the cooling device and, if necessary, a circulation pump of the circulation system are then adjusted so that the water temperature and the volume flow assume the determined values T a and the value V z .
  • a temperature is set at an output port, temperature changes calculated on the basis thereof and used for modeling according to the specifications of the characterizing portion of claim 1.
  • the advantage of calculating is that no sensor is needed to measure something, and that one can evaluate and vary influencing variables and possibly even make predictions.
  • the calculation offers the advantage that fewer measuring points are required and the system as a whole is less susceptible to vibrations.
  • the regulation according to the invention therefore takes place in comparison with the prior art by means of a control intervention at the output port, whereby the controller design, however, is based on the entire water supply system with distributed parameters with a calculation of a multiplicity of temperatures TME. So there are basically only one controller, and only one temperature setting for providing the temperature Ta required.
  • a similar problem to a chilled water network exists in a hot water network.
  • a cooling device instead of a cooling device, a memory or heater is used.
  • the temperatures in the hot water network are between 60 ° C at the storage outlet and 55 ° C at the storage inlet.
  • heat losses lead to a decrease in temperature in the hot water network.
  • the invention also includes the analogous case of a hot water network, wherein instead of a cooling device, a memory or heater is used.
  • the o.g. Formula is also valid in a chilled water network if the temperature of the water is higher than the ambient temperature.
  • the invention comprises the case where, instead of a cooling device, a heat exchanger is used which can heat or cool the water.
  • strand designates a line consisting of a partial route or several partial routes between two nodes between which there is no further node.
  • the strands are connected via nodes.
  • the boundary condition that the water temperature in the initial region of the given sub-route is equal to the water temperature in the end region of the sub-route to which the given sub-route is connected relates only to the sub-sections of one line each.
  • the temperature and size of the volume flow leaving a node in a subsequent section depends on the temperatures and the sizes of the incoming sections Volume flows from. From the invention, these are preferably assumed as given by the design of the conduit system.
  • the distribution of the volume flows flowing out of a node to the various outgoing lines or partial lines is preferably assumed in the invention to be given by the design of the line system.
  • mixing temperatures during strand combination and the temperatures during strand division are calculated on the basis of a percentage volume flow distribution.
  • the line system is assumed to be given, it being understood that the line system is designed according to the specifications of DI N 1988-300 for the design of pipe networks, which in particular certain nominal widths of the PWC - (Potable Water Cold) lines and values thermal coupling of the circulating water with the environment are prescribed. It is understood that in general, the requirements of the piping network prescribed or recommended in other countries or regions can also be taken into account.
  • the maximum permissible value after the design of the line system is preferably chosen as the volume flow starting value V z * . This value is reduced until the temperature of the circulating water is close to T soll , because with decreasing volume flow the temperature of the circulating water increases and therefore the temperature rises at the inlet port.
  • the value T MA * is varied and the highest value T a of the water temperature selected, at which at the input port the water temperature T b ⁇ T soll with T soll - T b ⁇ Q, where 0> 0 is a predetermined value.
  • T soll - T b ⁇ Q ensures that the water temperature in the circulation system is not set too cold and the system is operated inefficiently in terms of energy.
  • Q ranges between 1 ° C and 5 ° C, but may be in a different range.
  • the determination of the change in temperature of the water between the beginning and end of each leg can be done according to models that are known per se, for example by simulation calculations or even corresponding known formulas.
  • the circulation system is preferably operated in carrying out the method according to the invention in a state in which no water removal and no water absorption, because in this state, a higher heating of the water is to be expected than in a state in which a water removal and thus when using the According to the method determined parameters T a and V z a safety distance to a state with undesirably high water temperature is ensured.
  • T a and V z determined by the method are advantageously used to model and operate a given circulation system in which the piping system is designed according to the legal requirements regarding nominal diameters and thermal coupling of the circulating water with the environment the legal requirements regarding the temperature of drinking water in the circulation system are met.
  • the determined by the method parameters T a and V z are advantageously used to the design of the cooling device in terms of their cooling performance in a given circulation system in which the piping system is designed according to the legal provisions regarding nominal diameters and thermal coupling of the circulating water with the environment determine. Furthermore, if necessary, the design of a circulation pump can be determined with regard to its pumping power.
  • a line downstream of a removal point in the circuit is referred to, in which water from the output port of a cooling device back to the input port of the cooling device runs, if no further removal point is connected to this line.
  • node is used for a line element to which lines are connected. Either at least two volumetric flows can flow into a node and exactly one volumetric flow expire or exactly one volumetric flow can flow in and at least two volumetric flows expire.
  • a node corresponds to a branch. Preferably, exactly two volumetric flows flow into one node of the circulation system, and one volumetric flow or exactly one volumetric flow and exactly two volumetric flows, for example in the case of a T-piece.
  • the outflowing flows are divided into equal outgoing flow rates. It is understood that other divisions are possible.
  • the temperature t m and the mass flow m m of the mixing water of the outgoing volumetric flow have the following relationship with temperature t k and mass flow m k of the colder or temperature tw and mass flow mw of warmer flow together:
  • mk mass / volume (-ström) Cold water (kg m 3; kg / h m 3 / h or%)
  • m w mass / volume (-ström) hot water (kg, m 3 , kg / h, m 3 / h or%)
  • the following parameters are preferably used in addition to the length of the section
  • a temperature change of the water between its initial region and its end region can be determined for each segment of the circulation system at a stationary volume flow, the water temperature in the end region of a given subsection being equal to the water temperature in the initial region of the subsection connected next to the given subsection in the direction of flow of the circulating water is selected. Therefore, for each leg of the circulation system, based on the temperature in the initial region, the temperature of the water in the end region of the respective leg can be determined.
  • the temperature of the circulating water can be determined, ie a value T a of the water temperature at the exit port can be determined as the starting temperature of the sub-section adjoining the output port, in which case for the end regions of all Sections the water temperature T ME ⁇ T is supposed to be .
  • the values T a and V z are determined in an iterative approximation method, starting from a temperature start value T MA * ⁇ T S0 n and a volume flow starting value V z * for the first at the output port connected part of the route, for each given part of the water temperature T ME is calculated in its end, wherein the water temperature in the initial region of the next connected subsection equal to the water temperature T ME in the end region of the given subsection, than is selected.
  • the sections are formed axially uniform over the length between their initial region and its end region with respect to their heat - coupling with the environment, thus does not change axially. This allows a simplification of the calculations.
  • the water temperature T ME is determined by means of the formula
  • equation 1 is used for the thermal resistance in equation 2 and thus the heat transfer resistance is determined.
  • equation 2 is used for the thermal resistance in equation 2 and thus the heat transfer resistance is determined.
  • the heat transfer coefficient equation 3 is calculated.
  • the heat transfer coefficient is a central component of equation 4 for calculating a temperature at the end of a section.
  • Equation 5 The derivation of the formula for the axial heating of water in a pipeline begins with Equation 5:
  • volume flow is sought, which operates the cold water installation, with a desired / predetermined spread of, for example, 5 K (15 ° C / 20 ° C).
  • a water temperature can also be determined for any point in the considered pipe network.
  • the iterative approximation method is the per se known Excel target value search; see Excel and VBA: Introduction to practical applications in the natural sciences by Franz Josef Mehr, Maria Maria Victor Mehr, Wiesbaden 2015, section 8.1.
  • key data of the line system including the above-mentioned parameters of the sections, are entered into the program and the volume flow V z is determined by means of the target value search, at which the target drinking water temperature T b is reached; for example, as follows 3.1 .1 Sfoffwerfe water
  • the calculated volumetric flow V z at which, with an inlet temperature T a of 15 ° C, a target temperature Tb of 20 ° is reached, is indicated in the line MT4.
  • a circulation pump is integrated, whereby a desired volume flow can be adjusted.
  • cooling devices and / or circulation pumps can be provided.
  • a connection line is a line between a supply line and a drinking water installation or the circulation system.
  • a consumption line is a line that places water from the main shut-off valve to the extraction ports and, if necessary, directs it into equipment.
  • a common supply line is a horizontal supply line between the main shut-off valve and a riser.
  • a riser leads from floor to floor and from which the floor ducts or single ducts branch off.
  • a floor duct is the duct which branches off from the riser (trunk) duct within a floor and branches off from the individual ducts.
  • a single supply line is the leading to a sampling point line.
  • At least one flow line is connected to at least one ring line.
  • At least one branch of the circulation line goes off from the at least one feed line.
  • At least one branch of the at least one circulation line leaves from the at least one ring line.
  • the at least one flow line comprises at least one riser and / or a floor duct.
  • the at least one flow line comprises a common supply line, which is connected to a connection to a water supply network.
  • connection is connected to at least one connecting line and / or at least one consumption line.
  • At least one static or dynamic flow divider is arranged in the at least one feed line and / or the at least one ring line, with which preferably a discharge point for water is connected.
  • a percentage distribution of the volume flows 95% at the outlet and 5% at the passage.
  • thermal energy is transferred from the circulating water to another stream, preferably by means of a heat exchanger, thereby optimizing the cooling process suitable choice of the other material stream, for example propane, and a reduction in the energy required to operate the cooling device can be achieved.
  • the cooling device is thermally coupled to a cold generator, preferably a heat pump, a chiller or a cold supply network, whereby also a reduction of the energy required for the cooling process can be achieved.
  • a cold generator preferably a heat pump, a chiller or a cold supply network
  • a value of 20 ° C. +/- 5 ° C. is chosen for the temperature T soll and a value of 15 ° C. +/- 5 ° C. is selected for the water temperature T a at the outlet port becomes.
  • At least part of the line system is designed as an outer circulation line, since external circulation lines are usually installed in already existing circulation systems.
  • At least one partial section is designed as an inliner circulation line, since these are frequently installed in newer or new circulation systems.
  • Figure 1 a schematic representation of an inventive circulation system
  • Figure 2 another embodiment of a circulation system according to the invention
  • Figure 3 a further embodiment of an inventive circulation system, wherein a further heat exchanger is provided
  • FIG. 4 a further embodiment of a circulation system according to the invention
  • FIG. 5 a further embodiment of a circulation system according to the invention
  • FIG. 6 a further embodiment of a circulation system according to the invention
  • FIG. 7 a further embodiment of a circulation system according to the invention
  • FIG. 8 a further embodiment of a circulation system according to the invention
  • FIGS. 1 to 8 are only examples, without the invention being restricted to these systems.
  • exactly one volume flow flows into a node, and one volume flow, or exactly one volume flow flows in and precisely two volume flows, for example in the case of a T-piece.
  • the invention is not limited to systems with such nodes.
  • all the lines shown between nodes and between nodes and input port and node and output port consist of one or more legs, as defined above.
  • a node K1 is over one
  • Flow line 4a connected to an output port 12b of a cooling device 12.
  • the cooling device 12 has cold-circuit-side connections as well as a cold-circuit-side pump 13.
  • a branch to a manifold 4 a connection line to a connection 1 to a water supply network and a consumption line 3 is provided, the latter and the connection line not belonging to the circulation system. At node K1, therefore, no volume flow distribution takes place.
  • the collective supply line 4 is connected to a riser 5, which opens into a node K2.
  • the node K2 branches into a floor duct 6 and a riser 5, which opens into a node K3 and at which a branch to a floor duct 6 and a riser 5 takes place, is connected to a floor duct 6, which opens into a node K4.
  • the node K2 is connected via a floor duct 6 to a node K6.
  • the node K3 is connected via a floor duct 6 to a node K5.
  • Two subsections TS1 and TS2 explicitly identified as such are connected via the node K4, TS1 subsection of the floor line 6 and TS2 representing a circulation line.
  • At node K4 also takes place a branch via a single feed line 7 to a
  • Outlet 9 takes place.
  • the individual feeders and tapping points connected to the nodes K2 and K3 are not provided with reference numerals. Since that
  • the circulation system according to the invention for carrying out the method according to the invention is operated in a state in which no water extraction takes place, in the following such nodes which are assigned to sampling points are excluded from consideration and, with the exception of node K4, are not included in the drawings
  • the section TS2 is shot at a vertical circulation line 10a, which opens into the node K5.
  • the node K5 is connected to a circulation line 10a, which opens into the node K6.
  • the node K6 is connected to a vertical circulation pipe 10a which is connected to a horizontal circulation pipe 10a, which in turn is connected to the circulation pump 10b via a vertical circulation pipe.
  • the circulation system shown in Figure 2 has an analogous structure, as the system of Figure 1, but 6 ring lines are provided in the floor ducts, with a reference numeral 8 is used for simplicity only in the uppermost ring line shown in Figure 2.
  • the ring line 8 is associated with an optional flow divider 8a.
  • Ring lines are assigned to nodes K21 to K32. It is understood that even those systems in which only one loop is present, are included in the invention.
  • FIG. 3 shows another system with nodes K31 to K34, in which, however, the circulation lines 10a leading into the nodes K34 and K35 are guided parallel to the floor lines 6 emanating from the nodes K32 and K33.
  • an optional decentralized cooling device 14 with an input port 14a and an output port 14b is arranged in the uppermost floor duct 6, with existing connections of a cold-side circuit as well as a connection for simplifying the illustration
  • cooling devices can be arranged in the other floor ducts.
  • the heat exchanger 12 may be omitted, in which case a cooling device 14 or more
  • Cooling devices 14 are mandatory.
  • cooling devices can be provided in the riser ducts 5 or the floor duct of the embodiments of FIGS. 1, 2 and 4 to 8.
  • Figure 4 shows a system with nodes K41 to K51 as in Figure 3, but in the
  • FIG. 5 shows a system with nodes K51 to K55, in which circulation lines 10 are guided parallel to the risers 5 connected to the nodes K52, K53.
  • FIG. 6 shows a system with the nodes K61 to K69b, wherein ring lines are provided between the nodes K63, K64, K66, K67 and K68, K69.
  • Figure 7 shows a system with the nodes K71 to K75, wherein risers 5 are connected to the nodes K72 and K73.
  • FIG. 8 shows a system with nodes K81 to K89b analogous to FIG. 7 but with ring lines arranged between nodes K89a, K89b, K88, K89 and K84 and K85.
  • FIGS. 1, 3, 5, 7 can also circulate only partial areas. So the sections can also z. B. represent installations in homes that may not mitzirkulieren due to various requirements (billing of water consumption). A water exchange to maintain the desired temperature was possible here by automatic dishwashers.
  • the method according to the invention is carried out in the systems of FIGS. 1 to 8 in the manner described above, starting from a temperature start value T MA * ⁇ T soi , and a volume flow starting value V z * for the first to the output port (12b). connected sub-section a temperature change of the water between initial area and end area is determined according to a model of the temperature change.
  • a change in the temperature of the water between the start region and the end region for any given further part of the distance becomes according to the model of the temperature change determines, under the boundary condition, that the water temperature in the initial region of the given sub-route is equal to the water temperature in the end region of the sub-route to which the given sub-route is connected.
  • the above-described model of the axial temperature change is used, whereafter, in the end region of a segment of length L, the water temperature T ME is determined by means of the formula
  • the value T a of the water temperature and the value V z of the volumetric flow at the outlet port 12b are selected such that the water temperature T ME ⁇ T soll in the end region of each section of the circulation system and the water temperature T b ⁇ T soll at the input port 12a Let - T b ⁇ Q, where q> 0 is a given value.
  • circulation pump 10b is not always operated with a constant volume flow, that is, regardless of whether the port inlet temperature 12a has exactly the set value or even lower.
  • the delivery flow rate of the circulation pump 10b could be reduced. This can be done, for example, temperature-controlled automatically. The result would be energy savings.
  • the delivery volume flow of the pump 13 can be reduced in temperature-controlled manner.
  • Porteingangstemperatur for various reasons z. B. at 17 ° C are (for example, maximum 20 ° C are given), could also be adapted to the flow temperature in the refrigeration cycle. The result would be energy savings.

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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)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Health & Medical Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Air Conditioning Control Device (AREA)
  • Other Air-Conditioning Systems (AREA)
  • Pipeline Systems (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
  • Control Of Temperature (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

L'invention concerne un procédé pour faire fonctionner un système de circulation (10) comprenant un dispositif de refroidissement (12,14) pourvu d'un orifice d'entrée (12a, 14a) et d'un orifice de sortie (12b, 14b) pour le refroidissement de l'eau, comprenant les étapes suivantes, en particulier : détermination, en particulier calcul, d'une variation de température de l'eau entre la zone initiale et la zone terminale en fonction d'un modèle de la variation de température axiale pour le premier tronçon adjacent à l'orifice de sortie (12b, 14b), à partir d'une valeur de départ de température TMA* < Tsoll, et d'une valeur de départ de débit volumique Vz*, déterminée , détermination, en particulier calcul, d'une variation de température de l'eau entre la zone initiale et la zone terminale pour chaque autre tronçon donné en fonction du modèle de variation de température, à la condition secondaire que la température de l'eau dans la zone initiale du tronçon donné soit égale à la température de l'eau dans la zone terminale du tronçon , auquel est adjacent le tronçon donné ; et sélection de la valeur Ta de la température de l'eau et de la valeur Vz du débit volumique au niveau de l'orifice de sortie (12b, 14b) de telle sorte que, dans la zone terminale de chaque tronçon, la température de l'eau TME < Tsoll et, qu'au niveau de l'orifice d'entrée (12a, 14b), la température de l'eau Tb < Tsoll avec Tsoll - Tb < Θ, θ>0 étant une valeur prédéfinie. L'invention concerne également un système de circulation permettant la mise en oeuvre dudit procédé.
EP19729444.0A 2018-05-15 2019-05-15 Procédé de fonctionnement d'un système de circulation et système de circulation Active EP3601688B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SI201930075T SI3601688T1 (sl) 2018-05-15 2019-05-15 Postopek za obratovanje cirkulacijskega sistema in cirkulacijski sistem
PL19729444T PL3601688T3 (pl) 2018-05-15 2019-05-15 Sposób działania układu obiegowego oraz układ obiegowy
RS20210789A RS62102B1 (sr) 2018-05-15 2019-05-15 Postupak za upravljanje cirkulacionog sistema i cirkulacioni sistem
HRP20210994TT HRP20210994T1 (hr) 2018-05-15 2021-06-23 Postupak rada s cirkulacijskim sustavom i cirkulacijski sustav

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RS62102B1 (sr) * 2018-05-15 2021-08-31 Ltz Zentrum Fuer Luft Und Trinkwasserhygiene Gmbh Postupak za upravljanje cirkulacionog sistema i cirkulacioni sistem

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4316367A (en) * 1978-10-06 1982-02-23 Yaeger Ronald J Heat recovery and hot water circulation system
DE3522344A1 (de) * 1985-06-22 1987-01-02 Meyer Fa Rud Otto Verfahren zur regelung der temperatur des an ein warmwasser-versorgungssystem mit zirkulationsleitung angeschlossenen verbrauchern zufliessenden warmwassers und warmwasserversorgungssystem zur durchfuehrung des verfahrens
JP2001132037A (ja) 1999-11-02 2001-05-15 Ito Hironari 中高層建築物用ミネラルウォーター供給装置
DE20217305U1 (de) * 2002-11-09 2003-03-27 DMS Wasser-Wärmetechnik GmbH, 22113 Oststeinbek Desinfektion des gesamten Zirkulations-Volumenstromes
ATE349037T1 (de) * 2003-05-22 2007-01-15 Kwc Ag Verfahren und vorrichtung zur regelung des warmwasserzulaufs zu einem behälter
JP2005076960A (ja) * 2003-08-29 2005-03-24 Nishihara Engineering Co Ltd 給湯システム
DE102004039232A1 (de) 2004-08-12 2006-02-23 Thomas Bauer Verfahren und System zur Behandlung von Wasser
JP2008155190A (ja) 2006-12-22 2008-07-10 Uerushii:Kk 上質活性飲料水供給システムとその装置
US20090020172A1 (en) * 2007-07-20 2009-01-22 Walker Robert E Method and Apparatus for Water Distribution
KR101018774B1 (ko) * 2008-06-24 2011-03-07 주식회사 경동네트웍 온수 온도를 일정하게 유지시키기 위한 온수 공급 시스템
ES2655295T3 (es) * 2008-09-25 2018-02-19 Zeonda Ab Sistema de circulación de agua para prevenir el crecimiento de microorganismos
IL198341A0 (en) 2009-04-23 2011-07-31 Shay Popper Water supply system and method
SE0950809A1 (sv) * 2009-10-30 2011-05-01 Erik Abbing Besparing av tappvätska i ett vätskefördelningssystem
DE102011010840B4 (de) * 2011-02-10 2019-08-14 Oventrop Gmbh & Co. Kg Trink- oder Brauchwassersystem
JP5806530B2 (ja) 2011-07-07 2015-11-10 株式会社日立製作所 冷却システム
JP5984703B2 (ja) * 2013-01-31 2016-09-06 三菱重工業株式会社 熱源システム及び冷却水供給装置の制御装置並びに制御方法
DE202014103193U1 (de) * 2014-07-11 2015-07-15 Better Place GmbH Zirkulationsleitung für Kaltwasser
DE102014013464A1 (de) 2014-09-17 2016-03-17 Huu-Thoi Le Betrieb einer Zirkulationsanlage
CN204809195U (zh) * 2015-05-05 2015-11-25 中芯国际集成电路制造(北京)有限公司 一种机台供水循环系统
DE202015007277U1 (de) 2015-10-20 2017-01-23 Gebr. Kemper Gmbh + Co. Kg Metallwerke Trink- und Brauchwasserversorgungseinrichtung
DE202016106313U1 (de) * 2016-11-11 2018-02-14 Gebr. Kemper Gmbh + Co. Kg Metallwerke Wassersystem mit einem Durchflusserwärmer und einer Spülstation
CN106678944B (zh) * 2016-12-12 2019-10-22 威能（中国）供热制冷环境技术有限公司 水循环模块及采用该水循环模块的热水系统
DE102017101532A1 (de) * 2017-01-26 2018-07-26 Solvis GmbH Warmwasserversorgungsanlage und Verfahren zum Betrieb dieser Warmwasserversorgungsanlage
RS62102B1 (sr) * 2018-05-15 2021-08-31 Ltz Zentrum Fuer Luft Und Trinkwasserhygiene Gmbh Postupak za upravljanje cirkulacionog sistema i cirkulacioni sistem

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EP4007832A1 (fr) 2022-06-08
ES2879912T3 (es) 2021-11-23
HUE055249T2 (hu) 2021-11-29
EP3601688B1 (fr) 2021-03-24
HRP20240755T1 (hr) 2024-09-13
US12077949B2 (en) 2024-09-03
JP7393012B2 (ja) 2023-12-06
IL288025A (en) 2022-01-01
US11525247B2 (en) 2022-12-13
PT3601688T (pt) 2021-06-30
WO2019219785A1 (fr) 2019-11-21
PL3601688T3 (pl) 2021-11-29
JP2022533083A (ja) 2022-07-21
BR112020023043A2 (pt) 2021-02-02
HUE066980T2 (hu) 2024-09-28
CN114127371A (zh) 2022-03-01
HRP20210994T1 (hr) 2021-09-17
EP4007832C0 (fr) 2024-05-08
AU2019446081A1 (en) 2022-01-06
SG11202011254SA (en) 2020-12-30
US20220205647A1 (en) 2022-06-30
CN112585324B (zh) 2023-01-03
US20210189701A1 (en) 2021-06-24
DK3601688T3 (da) 2021-06-28
SG11202112646XA (en) 2021-12-30
SI3601688T1 (sl) 2021-09-30
CA3100102A1 (fr) 2019-11-21
KR20210029717A (ko) 2021-03-16
SA520420530B1 (ar) 2022-10-25
EP4007832B1 (fr) 2024-05-08
KR20220062229A (ko) 2022-05-16
IL278651B (en) 2022-06-01
WO2020228921A1 (fr) 2020-11-19
RS62102B1 (sr) 2021-08-31
CA3140513A1 (fr) 2020-11-19
SA521430822B1 (ar) 2023-10-12
BR112021022701A2 (pt) 2022-01-18
MX2021013831A (es) 2022-03-22
JP2021523314A (ja) 2021-09-02
US20230130061A1 (en) 2023-04-27
AU2019270362A1 (en) 2021-01-07
CY1124377T1 (el) 2022-07-22
CN112585324A (zh) 2021-03-30
LT3601688T (lt) 2021-09-10
RS65643B1 (sr) 2024-07-31
MX2020012082A (es) 2021-06-23

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