EP3112767A1 - Apparatus for preparing hot sanitary water - Google Patents
Apparatus for preparing hot sanitary water Download PDFInfo
- Publication number
- EP3112767A1 EP3112767A1 EP16175086.4A EP16175086A EP3112767A1 EP 3112767 A1 EP3112767 A1 EP 3112767A1 EP 16175086 A EP16175086 A EP 16175086A EP 3112767 A1 EP3112767 A1 EP 3112767A1
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- EP
- European Patent Office
- Prior art keywords
- circuit
- boiler
- line
- water
- sanitary water
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- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 238000010438 heat treatment Methods 0.000 claims description 25
- 238000009434 installation Methods 0.000 abstract 1
- 238000013517 stratification Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000004851 dishwashing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
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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
- F24D17/00—Domestic hot-water supply systems
- F24D17/0026—Domestic hot-water supply systems with conventional heating means
- F24D17/0031—Domestic hot-water supply systems with conventional heating means with accumulation of the heated water
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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
- F24D17/00—Domestic hot-water supply systems
- F24D17/02—Domestic hot-water supply systems using heat pumps
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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
- F24D19/1051—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
Definitions
- the subject of the present invention is a plant for the treatment of hot sanitary water.
- the stratification in the tank for hot sanitary water is based on the variation of the density of the water as a function of its temperature.
- the hot water is lighter than the cold water, so that the cold water stays under the hot water when the water is not circulated. In the case of extraction with a large throughput, the difference in density between the hot water and the cold water is insufficient to prevent the water from mixing.
- the tank is designed to have its own stratification of the water layers. This stratification can be disturbed by the mixed water that arrives during the withdrawals.
- the stability of the stratification depends mainly on the flow rate of cold water fed in, the height of the container in relation to its diameter and the effectiveness of the feed nozzle.
- the object of the invention is to avoid the mixing of cold water and hot water and the disturbance of the stratification of the layers in the container for the treatment of hot sanitary water for a maximum efficiency of the available heating energy.
- the invention has a plant for the treatment of hot sanitary water to the object, comprising: a main container for the removal hot sanitary water through an outlet of hot sanitary water at the high portion, a small volume auxiliary tank relative to the volume of the main tank with a cold water inlet at the deep portion, a connecting pipe leading into the top of the auxiliary tank and into the bottom of the main tank a main heat source having an exchanger installed in the lower portion of the main tank, a branch connecting the lower portion of the auxiliary tank to the upper portion of the main tank and equipped with an auxiliary heat source, a control system having a group of temperature sensors and a control circuit wherein the temperature sensors load the high portion, the deep portion of the main tank, and the deep portion of the auxiliary tank, the control circuit being connected to the main heat source and to the auxiliary heat source so as to be responsive to those of Sensors to activate supplied temperatures, which in turn depend on the removal of hot sanitary water.
- the plant for the treatment of hot sanitary water according to the invention has the advantage that it uses a transcritical heat pump, in particular a CO2 heat pump, in a particularly effective manner for the treatment of hot sanitary water to maximize the heat energy both for the small withdrawals as well to use the large withdrawals.
- the heat pump is a transcritical CO2 heat pump.
- the large temperature variation of CO2 in heating the water benefits; the water is heated at once, which is advantageous for this high performance concept.
- the circuit with the boiler at the branch comprises a central heating circuit connected to the supply line of the circuit and through a three-way valve to the line connected to the exchanger of the main tank, the central heating circuit branching from the pipe ,
- the three-way valve is connected at the junction of the supply line of the boiler and the input of the central heating by a line with a three-way valve, whose output on the one hand to the heat exchanger of the main tank and on the other connected to the return line of the circuit in front of the boiler.
- the circuit of the boiler at the junction between the feed line at the boiler outlet and the return line comprises the heating circuit whose output line is connected to the return line via a heat exchanger through a three-way valve in front of the boiler, this heat exchanger also being connected to the supply line the circuit branches off by a branch, wherein the output of the exchanger is connected by a line to the return line of the circuit by a three-way valve.
- Fig. 1 There is a plant for the treatment of hot sanitary water from a main tank 1 and an auxiliary tank 2.
- the main tank 1 has a large volume.
- the hot sanitary water is at the high section 6 of the Container 1 removed.
- the auxiliary tank 2 is a low-volume tank with respect to that of the main tank 1. It is connected to the cold water supply tank 4 at the deep portion 21.
- the main tank 1 and the auxiliary tank 2 are connected by a connecting pipe 3, which discharges freely 31, 32 into the deep portion 11 of the main tank 1 and into the high portion 22 of the auxiliary tank 2.
- the deep portion 21 of the auxiliary tank 2 is connected to the high portion 12 of the main tank 1 through a supply pipe 51 of a branching circuit 5.
- the branch circuit 5 is equipped with a heat pump 6 having a circulation pump 61 connected to the tank 1 through a branch line recirculation line 52.
- each of the tanks 1, 2 contains water having the lowest temperature and the high portion 12, 22 of highest temperature water of the respective container 1, 2.
- the deep portion 11 of the main tank 1 is equipped with a heat exchanger 13 connected to a boiler 7 through a circuit 8 having a supply pipe 82 and a return pipe 81.
- the circle 13, 8, 7 is equipped with a circulation pump 83.
- the various points of the system are equipped with temperature sensors (T ') which supply a control unit 100 which controls the operation of the system.
- the deep section 11 is equipped with a temperature sensor T11.
- the high portion 22 of the auxiliary container 2 is provided with a temperature sensor T22.
- the heat pump is provided with sensors T6a, T6b, as well as the boiler 7 at the input T7a and at the output T7b.
- the temperature sensors are connected to the control unit 100 which receives the temperature signals STi and in response controls the function of the hot sanitary water conditioning system by control signals SCi.
- the temperature in the various sections of the system (main tank 1 and auxiliary tank 2) depends on the extraction from hot sanitary water and from the throughput of the withdrawal or the volume of hot sanitary water withdrawn.
- the control circuit 9 controls the function of the branch circuit 51 and that (8) of the boiler 7 feeding the exchanger 13 installed in the deep portion 11 of the main tank 1.
- the control unit 100 does not intervene to activate the branch circuit 5 via the heat pump 6 ,
- the cold water arriving in the auxiliary tank 2 greatly lowers its temperature.
- This detected temperature (T22) is transmitted to the control unit 100, which responds by activating the branch circuit 5 through the circulation pump 61, which removes the water at the base 21 of the auxiliary tank 2 to reheat it by the heat pump 6 and heat the warmed water to feed the upper portion 12 of the main container 1.
- the pump 61 of the branch circuit 5 functions parallel to the connection line 3.
- the flow rate of the pump 61 is adjusted so that the outlet temperature of the hot water (T 6b ) is equal to the target temperature of the hot sanitary water. This throughput has no relation to the throughput of the withdrawal.
- the supplement may be provided by the boiler 7 and the exchanger 13 located in the lower section 11 of the main container 1 is installed, delivered.
- the heat pump 6 is in particular a transcritical CO2 heat pump. It directly heats the water from its network 4 arrival temperature to the set point temperature for the hot sanitary water.
- the CO2 heat pump does its best to heat the water from the lowest temperature in the water network. The higher the temperature of the feed water, the lower the efficiency of this heat pump to reach the target temperature of the hot sanitary water.
- the main tank 1 is designed to enhance the recovery of hot water by the heat pump 6 after taking small volumes of water (less than 15 liters).
- the withdrawals of relatively small volumes are most common (hand washing, dish washing ...) and they are expressed by feeding small amounts of cold water into the container 2.
- Fig. 2 shows a plant for the treatment of hot sanitary water according to claim 1, which is combined with a central heating CH, which is supplied with hot water at the outlet of the boiler 7.
- the central heating CH is connected by a branch 821 of the supply line 82 of the circle 8 of the boiler and by a three-way valve 822 with the exchanger 13 through the line 823.
- the main container 1 forms both the withdrawal reserve of the hot sanitary water and the heat tank for the circuit 8, when it feeds the central heating CH.
- Fig. 3 shows another variant of the system with the central heating CH of Fig. 2 , It also includes a branch 825 in front of the exchanger 13 with a three-way valve 824 in the conduit 823 for branching off a fraction of the water of the central heating circuit directly at the entrance of the boiler 7 by short-circuiting the exchanger 13 and the main container 1.
- Fig. 4 shows another variant of the combined plant for the treatment of hot sanitary water and the central heating CH with a heat exchanger 9, which is connected to a branch 91 of the feed line 52 of the branch circuit 5 via the heat pump 6, with a return 92 and a three-way valve 93 on the return line 51 of the branch circuit 5.
- the control of the three-way valve 93 makes it possible to partially or completely open the branch 91 via the exchanger 9 or to separate this branch to distribute the flow of hot water (heating fluid) in the supply line 52 of the heat pump 6 or not ,
- the exchanger 9 is also traversed by the return 826 of the heating circuit CH, which is connected to the return 81 of the circuit 8 in front of the boiler 7 (pump 83) through a three-way valve 827, the throughput of heating fluid (water) by one hand the heating circuit CH and on the other hand regulates the exchanger 13.
Abstract
Eine Anlage mit einem Hauptbehälter (1) für die Entnahme (10) von heißem Wasser am hohen Abschnitt (11), einem Hilfsbehälter (2) mit geringem Volumen in Bezug auf jenes des Hauptbehälters (1) mit einem Einlauf von kaltem Wasser am tiefen Abschnitt (21). Eine Verbindungsleitung (3) mündet in den hohen Abschnitt (22) des Hilfsbehälters (2) und in den tiefen Abschnitt (11) des Hauptbehälters (1). Ein Heizkessel (7) ist mit einem Austauscher (13) verbunden, der im tiefen Abschnitt (11) des Hauptbehälters (1) installiert ist, und ein Abzweigungskreis (5) verbindet den tiefen Abschnitt (21) des Hilfsbehälters (2) mit dem hohen Abschnitt (12) des Hauptbehälters (1); sie ist mit einer Wärmepumpe (6) ausgestattet. Eine Gruppe von Temperaturfühlern (T...) ist mit einer Steuerschaltung (100) verbunden, um die Wärmequellen (6, 7) in Abhängigkeit von den durch die Fühler gelieferten Temperaturen zu aktivieren, die ihrerseits von der Entnahme von heißem Sanitärwasser abhängen.An installation comprising a main tank (1) for removing (10) hot water at the high portion (11), a low volume auxiliary tank (2) relative to that of the main tank (1) with a cold water inlet at the deep portion (21). A connecting line (3) opens into the high portion (22) of the auxiliary container (2) and into the deep portion (11) of the main container (1). A boiler (7) is connected to an exchanger (13) installed in the deep portion (11) of the main tank (1), and a branch circuit (5) connects the deep portion (21) of the auxiliary tank (2) to the high one Section (12) of the main tank (1); It is equipped with a heat pump (6). A set of temperature sensors (T ...) is connected to a control circuit (100) to activate the heat sources (6, 7) in response to the temperatures provided by the sensors, which in turn depend on the removal of hot sanitary water.
Description
Die vorliegende Erfindung hat eine Anlage zur Aufbereitung von heißem Sanitärwasser zum Gegenstand.The subject of the present invention is a plant for the treatment of hot sanitary water.
Die Schichtung im Behälter für heißes Sanitärwasser beruht auf der Variation der Dichte des Wassers in Abhängigkeit von seiner Temperatur. Das heiße Wasser ist leichter als das kalte Wasser, so dass das kalte Wasser unter dem heißen Wasser bleibt, wenn das Wasser nicht in Zirkulation versetzt wird. Im Fall einer Entnahme mit einem großen Durchsatz reicht die Differenz der Dichte zwischen dem heißen Wasser und dem kalten Wasser nicht aus, um zu vermeiden, dass sich das Wasser vermischt.The stratification in the tank for hot sanitary water is based on the variation of the density of the water as a function of its temperature. The hot water is lighter than the cold water, so that the cold water stays under the hot water when the water is not circulated. In the case of extraction with a large throughput, the difference in density between the hot water and the cold water is insufficient to prevent the water from mixing.
Um zu vermeiden, dass das in das System eingespeiste kalte Wasser mit dem heißen Wasser des Behälters für heißes Sanitärwasser vermischt wird, ist der Behälter so entworfen, dass er seine eigene Schichtung der Wasserschichten aufweist. Diese Schichtung kann durch das Mischwasser gestört werden, das während der Entnahmen ankommt. Die Stabilität der Schichtung hängt hauptsächlich vom Durchsatz an eingespeistem kaltem Wasser, von der Höhe des Behälters in Bezug auf seinen Durchmesser und von der Wirksamkeit der Einspeisungsdüse ab.To avoid mixing the cold water fed into the system with the hot water of the hot sanitary water tank, the tank is designed to have its own stratification of the water layers. This stratification can be disturbed by the mixed water that arrives during the withdrawals. The stability of the stratification depends mainly on the flow rate of cold water fed in, the height of the container in relation to its diameter and the effectiveness of the feed nozzle.
Die Aufgabe der Erfindung besteht darin, das Mischen von kaltem Wasser und heißem Wasser und die Störung der Schichtung der Schichten im Behälter zur Aufbereitung von heißem Sanitärwasser für einen maximalen Wirkungsgrad der verfügbaren Heizenergie zu vermeiden.The object of the invention is to avoid the mixing of cold water and hot water and the disturbance of the stratification of the layers in the container for the treatment of hot sanitary water for a maximum efficiency of the available heating energy.
Dazu hat die Erfindung eine Anlage zur Aufbereitung von heißem Sanitärwasser zum Gegenstand, die Folgendes umfasst: einen Hauptbehälter für die Entnahme von heißem Sanitärwasser durch einen Ausgang von heißem Sanitärwasser am hohen Abschnitt, einen Hilfsbehälter mit geringem Volumen in Bezug auf das Volumen des Hauptbehälters mit einem Einlauf von kaltem Wasser am tiefen Abschnitt, eine Verbindungsleitung, die in die Oberseite des Hilfsbehälters und in die Unterseite des Hauptbehälters mündet, eine Hauptwärmequelle mit einem Austauscher, der im unteren Abschnitt des Hauptbehälters installiert ist, eine Abzweigung, die den unteren Abschnitt des Hilfsbehälters mit dem oberen Abschnitt des Hauptbehälters verbindet und mit einer Hilfswärmequelle ausgestattet ist, ein Steuersystem mit einer Gruppe von Temperatursensoren und einer Steuerschaltung, wobei die Temperatursensoren den hohen Abschnitt, den tiefen Abschnitt des Hauptbehälters und den tiefen Abschnitt des Hilfsbehälters bestücken, wobei die Steuerschaltung mit der Hauptwärmequelle und mit der Hilfswärmequelle verbunden ist, um sie in Abhängigkeit von den von den Sensoren gelieferten Temperaturen zu aktivieren, die ihrerseits von der Entnahme von heißem Sanitärwasser abhängen.For this purpose, the invention has a plant for the treatment of hot sanitary water to the object, comprising: a main container for the removal hot sanitary water through an outlet of hot sanitary water at the high portion, a small volume auxiliary tank relative to the volume of the main tank with a cold water inlet at the deep portion, a connecting pipe leading into the top of the auxiliary tank and into the bottom of the main tank a main heat source having an exchanger installed in the lower portion of the main tank, a branch connecting the lower portion of the auxiliary tank to the upper portion of the main tank and equipped with an auxiliary heat source, a control system having a group of temperature sensors and a control circuit wherein the temperature sensors load the high portion, the deep portion of the main tank, and the deep portion of the auxiliary tank, the control circuit being connected to the main heat source and to the auxiliary heat source so as to be responsive to those of Sensors to activate supplied temperatures, which in turn depend on the removal of hot sanitary water.
Die Anlage zur Aufbereitung von heißem Sanitärwasser gemäß der Erfindung hat den Vorteil, dass sie eine transkritische Wärmepumpe, insbesondere eine CO2-Wärmepumpe, in besonders wirksamer Weise für die Aufbereitung des heißen Sanitärwassers verwendet, um die Wärmeenergie maximal sowohl für die kleinen Entnahmen als auch für die großen Entnahmen zu nutzen.The plant for the treatment of hot sanitary water according to the invention has the advantage that it uses a transcritical heat pump, in particular a CO2 heat pump, in a particularly effective manner for the treatment of hot sanitary water to maximize the heat energy both for the small withdrawals as well to use the large withdrawals.
Gemäß einem vorteilhaften Merkmal ist die Wärmepumpe eine transkritische CO2-Wärmepumpe. Somit wird von der großen Temperaturvariation von CO2 beim Heizen des Wassers profitiert; das Wasser wird auf einmal geheizt, was für dieses Hochleistungskonzept vorteilhaft ist.According to an advantageous feature, the heat pump is a transcritical CO2 heat pump. Thus, the large temperature variation of CO2 in heating the water benefits; the water is heated at once, which is advantageous for this high performance concept.
Gemäß einem anderen vorteilhaften Merkmal umfasst der Kreis mit dem Heizkessel an der Abzweigung einen Zentralheizkreis, der mit der Zuführungsleitung des Kreises und durch ein Dreiwegeventil mit der Leitung, die mit dem Austauscher des Hauptbehälters verbunden ist, verbunden ist, wobei der Zentralheizkreis von der Leitung abzweigt.According to another advantageous feature, the circuit with the boiler at the branch comprises a central heating circuit connected to the supply line of the circuit and through a three-way valve to the line connected to the exchanger of the main tank, the central heating circuit branching from the pipe ,
Gemäß einem anderen vorteilhaften Merkmal ist das Dreiwegeventil an der Verbindungsstelle der Zuführungsleitung des Heizkessels und des Eingangs des Zentralheizkreises durch eine Leitung mit einem Dreiwegeventil verbunden, dessen Ausgang einerseits mit dem Wärmetauscher des Hauptbehälters und andererseits mit der Rückführungsleitung des Kreises vor dem Heizkessel verbunden ist.According to another advantageous feature, the three-way valve is connected at the junction of the supply line of the boiler and the input of the central heating by a line with a three-way valve, whose output on the one hand to the heat exchanger of the main tank and on the other connected to the return line of the circuit in front of the boiler.
Gemäß einem anderen vorteilhaften Merkmal umfasst der Kreis des Heizkessels an der Abzweigung zwischen der Zuführungsleitung am Ausgang des Heizkessels und der Rückführungsleitung den Heizkreis, dessen Ausgangsleitung mit der Rückführungsleitung über einen Wärmetauscher durch ein Dreiwegeventil vor dem Heizkessel verbunden ist, wobei dieser Wärmetauscher außerdem an der Zuführungsleitung des Kreises durch eine Abzweigung abzweigt, wobei der Ausgang des Austauschers durch eine Leitung mit der Rückführungsleitung des Kreises durch ein Dreiwegeventil verbunden ist.According to another advantageous feature, the circuit of the boiler at the junction between the feed line at the boiler outlet and the return line comprises the heating circuit whose output line is connected to the return line via a heat exchanger through a three-way valve in front of the boiler, this heat exchanger also being connected to the supply line the circuit branches off by a branch, wherein the output of the exchanger is connected by a line to the return line of the circuit by a three-way valve.
Die vorliegende Erfindung wird nachstehend mit Hilfe eines Ausführungsbeispiels einer Anlage zur Aufbereitung von heißem Sanitärwasser genauer beschrieben, das in den beigefügten Zeichnungen dargestellt ist, in denen:
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Fig. 1 ein allgemeines Diagramm der erfindungsgemäßen Anlage zur Aufbereitung von heißem Sanitärwasser ist, -
Fig. 2 ein Diagramm einer Anlage in Kombination mit einer Heizanlage ist. -
Fig. 3 ein Diagramm einer Variante der Anlage vonFig. 2 ist, die eine Anlage zur Aufbereitung von heißem Sanitärwasser und eine Zentralheizanlage kombiniert. -
Fig. 4 ein Diagramm einer Variante des kombinierten Kreises der Anlage zur Aufbereitung von heißem Sanitärwasser mit einer Zentralheizanlage ist, die eine besonders wirksame Verwendung der Wärmepumpe für die direkte Zufuhr von Wärme zum Zentralheizkreis ermöglicht.
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Fig. 1 a general diagram of the plant according to the invention for the treatment of hot sanitary water, -
Fig. 2 is a diagram of a plant in combination with a heating system. -
Fig. 3 a diagram of a variant of the plant ofFig. 2 which combines a plant for the treatment of hot sanitary water and a central heating system. -
Fig. 4 a diagram of a variant of the combined circuit of the plant for the treatment of hot sanitary water with a central heating system, which allows a particularly effective use of the heat pump for the direct supply of heat to the central heating.
Gemäß
Der Abzweigungskreis 5 ist mit einer Wärmepumpe 6 mit einer Zirkulationspumpe 61, die mit dem Behälter 1 durch eine Rückführungsleitung 52 des Abzweigungskreises verbunden ist, ausgestattet.The
Im Allgemeinen gibt es unter der Wirkung der Dichte des Wassers in Abhängigkeit von seiner Temperatur eine Schichtung von Wasserschichten mit verschiedenen Temperaturen im Hauptbehälter 1 und im Hilfsbehälter 2. Der tiefe Abschnitt 11, 21 von jedem der Behälter 1, 2 enthält Wasser mit der niedrigsten Temperatur und der hohe Abschnitt 12, 22 Wasser mit der höchsten Temperatur des jeweiligen Behälters 1, 2.Generally, under the effect of the density of the water as a function of its temperature, there is a stratification of water layers having different temperatures in the
Der tiefe Abschnitt 11 des Hauptbehälters 1 ist mit einem Wärmetauscher 13 ausgestattet, der mit einem Heizkessel 7 durch einen Kreis 8 mit einer Zuführungsleitung 82 und einer Rückführungsleitung 81 verbunden ist. Der Kreis 13, 8, 7 ist mit einer Zirkulationspumpe 83 ausgestattet. Die verschiedene Punkte der Anlage sind mit Temperaturfühlern (T') ausgestattet, die eine Steuereinheit 100 versorgen, die die Funktion der Anlage steuert.The
Der tiefe Abschnitt 11 ist mit einem Temperaturfühler T11 ausgestattet. Dasselbe gilt für seinen hohen Abschnitt 12 mit einem Kontrollabschnitt T12. Der hohe Abschnitt 22 des Hilfsbehälters 2 ist mit einem Temperaturfühler T22 versehen. Die Wärmepumpe ist mit Fühlern T6a, T6b versehen, ebenso wie der Heizkessel 7 am Eingang T7a und am Ausgang T7b. Die Temperaturfühler sind mit der Steuereinheit 100 verbunden, die die Temperatursignale STi empfängt und in Abhängigkeit von diesen die Funktion der Anlage zur Aufbereitung von heißem Sanitärwasser durch Steuersignale SCi steuert. Die Temperatur in den verschiedenen Abschnitten der Anlage (Hauptbehälter 1 und Hilfsbehälter 2) hängt von der Entnahme von heißem Sanitärwasser und von dem Durchsatz der Entnahme oder vom Volumen an entnommenem heißem Sanitärwasser ab.The
Der Steuerkreis 9 steuert die Funktion des Abzweigungskreises 51 und jene (8) des Heizkessels 7, der den Austauscher 13 speist, der im tiefen Abschnitt 11 des Hauptbehälters 1 installiert ist.The
Die Funktion der vorstehend beschriebenen Anlage ist wie folgt mit Unterscheidung der geringen Entnahme und einer großen Entnahme von heißem Sanitärwasser im Hauptbehälter 1 (Ausgang der Entnahme 10).The function of the plant described above is as follows with distinction of the small withdrawal and a large withdrawal of hot sanitary water in the main tank 1 (output of the withdrawal 10).
Im Fall einer geringen Entnahme kommt die Entnahme von heißem Sanitärwasser (Ausgang 10) im Einlauf von kaltem Wasser des Netzes 4 an der Basis 21 des Hilfsbehälters 2 zum Ausdruck; das entnommene Volumen von Wasser im Hauptbehälter 1 wird am tiefen Abschnitt 11 des Hauptbehälters ersetzt, wobei das heiße Wasser des Hilfsbehälters durch den Ausgang 31 der Leitung 3 ankommt.In the case of a small withdrawal, the removal of hot sanitary water (outlet 10) in the inlet of cold water of the
Der Temperaturfühler T22 des Hilfsbehälters 2 detektiert zwar eine Temperaturabsenkung des Wassers, aber wenn diese Absenkung höher bleibt als der feste Schwellenwert, da die Entnahme ein geringes Volumen aufweist, greift folglich die Steuereinheit 100 nicht ein, um den Abzweigungskreis 5 über die Wärmepumpe 6 zu aktivieren.Although the temperature sensor T22 of the
Im Fall einer ziemlich großen Entnahme senkt das kalte Wasser, das im Hilfsbehälter 2 ankommt, stark seine Temperatur. Diese detektierte Temperatur (T22) wird zur Steuereinheit 100 übertragen, die durch Aktivieren des Abzweigungskreises 5 durch die Zirkulationspumpe 61 reagiert, die das Wasser an der Basis 21 des Hilfsbehälters 2 entnimmt, um es durch die Wärmepumpe 6 wieder zu heizen und das angewärmte Wasser in den oberen Abschnitt 12 des Hauptbehälters 1 einzuspeisen.In the case of a fairly large extraction, the cold water arriving in the
Die Pumpe 61 des Abzweigungskreises 5 funktioniert parallel zur Verbindungsleitung 3. Der Durchsatz der Pumpe 61 wird angepasst, damit die Ausgangstemperatur des heißen Wassers (T6b) gleich der Solltemperatur des heißen Sanitärwassers ist. Dieser Durchsatz hat keine Beziehung zum Durchsatz der Entnahme.The
Wenn die durch die Wärmepumpe 6 gelieferte Wärme nicht ausreicht, das heißt wenn die Entnahme an heißem Wasser so groß ist, dass die Temperatur T12 kalt wird, kann die Ergänzung durch den Heizkessel 7 und den Austauscher 13, der im unteren Abschnitt 11 des Hauptbehälters 1 installiert ist, geliefert werden.If the heat supplied by the
Gemäß der Erfindung ist die Wärmepumpe 6 insbesondere eine transkritische CO2-Wärmepumpe. Sie heizt direkt das Wasser von seiner Ankunftstemperatur des Netzes 4 bis auf die Solltemperatur für das heiße Sanitärwasser. Die CO2-Wärmepumpe hat ihre besten Leistungen zum Heizen des Wassers ab der niedrigsten Temperatur im Wassernetz. Je höher die Temperatur des Speisewassers wird, desto geringer ist der Wirkungsgrad dieser Wärmepumpe, um die Solltemperatur des heißen Sanitärwassers zu erreichen.According to the invention, the
Der Hauptbehälter 1 ist entworfen, um das Erhalten von heißem Wasser durch die Wärmepumpe 6 nach der Entnahme von kleinen Wasservolumina (geringer als 15 I) zu verbessern. Die Entnahmen von relativ geringen Volumina sind am häufigsten (Händewaschen, Geschirrwaschen ...) und sie kommen durch das Einspeisen von kleinen Mengen an kaltem Wasser in den Behälter 2 zum Ausdruck.The
Es ist zweckmäßig zu bemerken, dass, um von den gesteigerten Eigenschaften einer Wärmepumpe, insbesondere einer transkritischen CO2-Pumpe, zu profitieren, es wirksamer ist, vielmehr das kalte Wasser (Temperatur geringer als 30 °C) zu heizen als das lauwarme Wasser (dessen Temperatur zwischen 30 ° und 50 ° liegt) zu heizen. Die kleinen Entnahmen sind am schwierigsten zu behandeln, da diese sich leicht mit dem heißen Wasser vermischen, was lauwarmes Wasser im Behälter erzeugt. Aber das hydraulische System mit zwei Behältern 1, 2 gemäß der Erfindung vermeidet die Mischung von kaltem Wasser durch kleine Entnahmen von heißem Wasser im System. Die Wärmepumpe 6 ermöglicht es, kaltes eingespeistes Wasser zu entnehmen, um es direkt und wirksam auf die Solltemperatur des heißen Sanitärwassers zu heizen.It is convenient to note that to benefit from the increased properties of a heat pump, especially a transcritical CO2 pump, it is more effective to heat the cold water (temperature lower than 30 ° C) than the lukewarm water (the water) Temperature is between 30 ° and 50 °). The small withdrawals are the most difficult to handle as they mix easily with the hot water, creating lukewarm water in the container. But the hydraulic system with two
Der Hauptbehälter 1 bildet sowohl die Entnahmereserve des heißen Sanitärwassers als auch den Wärmebehälter für den Kreis 8, wenn dieser die Zentralheizung CH speist.The
Der Austauscher 9 wird auch durch die Rückführung 826 des Heizkreises CH durchquert, die mit der Rückführung 81 des Kreises 8 vor dem Heizkessel 7 (Pumpe 83) durch ein Dreiwegeventil 827 verbunden ist, das den Durchsatz an Heizfluid (Wasser) durch einerseits den Heizkreis CH und andererseits den Austauscher 13 reguliert.The
Claims (5)
dadurch gekennzeichnet, dass
die Wärmepumpe (6) eine transkritische CO2-Wärmepumpe ist.Plant for the treatment of hot sanitary water according to claim 1,
characterized in that
the heat pump (6) is a transcritical CO2 heat pump.
dadurch gekennzeichnet, dass
der Kreis (8) mit dem Heizkessel (7) an der Abzweigung einen Zentralheizkreis CH umfasst, der mit der Zuführungsleitung (82) des Kreises (8) und durch ein Dreiwegeventil (822) mit der Leitung (823) verbunden ist, die mit dem Austauscher (13) des Hauptbehälters (1) verbunden ist, wobei der Zentralheizkreis CH von der Leitung (82) abzweigt.Plant for the treatment of hot sanitary water according to claim 1,
characterized in that
the circuit (8) with the boiler (7) at the branch comprises a central heating circuit CH connected to the supply line (82) of the circuit (8) and through a three - way valve (822) to the line (823) connected to the Exchanger (13) of the main container (1) is connected, wherein the central heating circuit CH branches off from the line (82).
dadurch gekennzeichnet, dass
das Dreiwegeventil (822) an der Verbindungsstelle der Zuführungsleitung (82) des Heizkessels (7) und des Eingangs (821) des Zentralheizkreises CH durch eine Leitung (823) mit einem Dreiwegeventil (824) verbunden ist, dessen Ausgang einerseits mit dem Wärmetauscher (13) des Hauptbehälters und andererseits mit der Rückführungsleitung (825) des Kreises (8) vor dem Heizkessel (7) verbunden ist.Plant for the treatment of hot sanitary water according to claim 3,
characterized in that
the three-way valve (822) is connected at the junction of the supply line (82) of the boiler (7) and the input (821) of the central heating circuit CH through a line (823) to a three-way valve (824) the output of which is connected to the heat exchanger (13 ) of the main tank and, on the other hand, to the return line (825) of the circuit (8) in front of the boiler (7).
dadurch gekennzeichnet, dass
der Kreis (8) des Heizkessels (7) an der Abzweigung zwischen der Zuführungsleitung (82) am Ausgang des Heizkessels (7) und der Rückführungsleitung (81) den Heizkreis (CH) umfasst, dessen Ausgangsleitung (826) mit der Rückführungsleitung (81) über einen Wärmetauscher (9) durch ein Dreiwegeventil (827) vor dem Heizkessel (7) verbunden ist, wobei dieser Wärmetauscher (9) außerdem von der Zuführungsleitung (52) des Kreises (5) durch eine Abzweigung (91) abzweigt, wobei der Ausgang des Austauschers (9) durch eine Leitung (92) mit der Rückführungsleitung (51) des Kreises (5) durch ein Dreiwegeventil (93) verbunden ist.Plant for the treatment of hot sanitary water according to claim 1,
characterized in that
the circuit (8) of the boiler (7) at the junction between the supply line (82) at the outlet of the boiler (7) and the return line (81) comprises the heating circuit (CH) whose output line (826) communicates with the return line (81) is connected via a heat exchanger (9) through a three-way valve (827) in front of the boiler (7), said heat exchanger (9) also branching from the supply line (52) of the circuit (5) through a branch (91), the outlet of the exchanger (9) is connected by a line (92) to the return line (51) of the circuit (5) through a three-way valve (93).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1556316A FR3038367B1 (en) | 2015-07-03 | 2015-07-03 | INSTALLATION OF HOT WATER PREPARATION |
Publications (2)
Publication Number | Publication Date |
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EP3112767A1 true EP3112767A1 (en) | 2017-01-04 |
EP3112767B1 EP3112767B1 (en) | 2022-12-21 |
Family
ID=53801104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP16175086.4A Active EP3112767B1 (en) | 2015-07-03 | 2016-06-17 | Apparatus for preparing hot sanitary water |
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EP (1) | EP3112767B1 (en) |
FR (1) | FR3038367B1 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003166749A (en) * | 2001-11-30 | 2003-06-13 | Sanyo Electric Co Ltd | Heat-pump hot water supply system |
EP1450110A2 (en) * | 2003-02-20 | 2004-08-25 | Denso Corporation | Hot water supply system with storing tank |
EP2098789A2 (en) * | 2008-03-05 | 2009-09-09 | Zenex Technologies Limited | Heating system |
WO2014038339A1 (en) * | 2012-09-04 | 2014-03-13 | リンナイ株式会社 | Heating system |
-
2015
- 2015-07-03 FR FR1556316A patent/FR3038367B1/en active Active
-
2016
- 2016-06-17 EP EP16175086.4A patent/EP3112767B1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003166749A (en) * | 2001-11-30 | 2003-06-13 | Sanyo Electric Co Ltd | Heat-pump hot water supply system |
EP1450110A2 (en) * | 2003-02-20 | 2004-08-25 | Denso Corporation | Hot water supply system with storing tank |
EP2098789A2 (en) * | 2008-03-05 | 2009-09-09 | Zenex Technologies Limited | Heating system |
WO2014038339A1 (en) * | 2012-09-04 | 2014-03-13 | リンナイ株式会社 | Heating system |
Also Published As
Publication number | Publication date |
---|---|
FR3038367B1 (en) | 2019-08-09 |
EP3112767B1 (en) | 2022-12-21 |
FR3038367A1 (en) | 2017-01-06 |
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