WO2024022970A1 - Système de chauffage - Google Patents

Système de chauffage Download PDF

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Publication number
WO2024022970A1
WO2024022970A1 PCT/EP2023/070273 EP2023070273W WO2024022970A1 WO 2024022970 A1 WO2024022970 A1 WO 2024022970A1 EP 2023070273 W EP2023070273 W EP 2023070273W WO 2024022970 A1 WO2024022970 A1 WO 2024022970A1
Authority
WO
WIPO (PCT)
Prior art keywords
heating
heating device
approximately
water
heating system
Prior art date
Application number
PCT/EP2023/070273
Other languages
German (de)
English (en)
Inventor
Jaser MUSHKOLAJ
Original Assignee
Anvitec Ag
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 Anvitec Ag filed Critical Anvitec Ag
Publication of WO2024022970A1 publication Critical patent/WO2024022970A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D12/00—Other central heating systems
    • F24D12/02—Other central heating systems having more than one heat source
    • 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
    • F24D3/00—Hot-water central heating systems
    • F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
    • F24D3/1008—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system expansion tanks
    • 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
    • F24D11/00—Central heating systems using heat accumulated in storage masses
    • F24D11/02—Central heating systems using heat accumulated in storage masses using heat pumps
    • F24D11/0214—Central heating systems using heat accumulated in storage masses using heat pumps water heating system
    • F24D11/0221—Central heating systems using heat accumulated in storage masses using heat pumps water heating system combined with solar energy
    • 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
    • F24D11/00—Central heating systems using heat accumulated in storage masses
    • F24D11/02—Central heating systems using heat accumulated in storage masses using heat pumps
    • F24D11/0214—Central heating systems using heat accumulated in storage masses using heat pumps water heating system
    • F24D11/0228—Central heating systems using heat accumulated in storage masses using heat pumps water heating system combined with conventional heater
    • 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
    • F24D18/00—Small-scale combined heat and power [CHP] generation systems specially adapted for domestic heating, space heating or domestic hot-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
    • F24D3/00—Hot-water central heating systems
    • F24D3/18—Hot-water central heating systems using heat pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H4/00—Fluid heaters characterised by the use of heat pumps
    • F24H4/02—Water heaters
    • F24H4/04—Storage heaters
    • 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
    • F24D2101/00—Electric generators of small-scale CHP systems
    • F24D2101/20—Wind turbines
    • 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
    • F24D2101/00—Electric generators of small-scale CHP systems
    • F24D2101/40—Photovoltaic [PV] modules
    • 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
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/02—Photovoltaic energy
    • 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
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/08—Electric heater
    • 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
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/12—Heat pump

Definitions

  • the invention relates to a heating system according to the preamble of independent claim 1.
  • Hot water production can account for up to 30% of the total heat and energy requirements of a household in Switzerland, i.e. at least for single-family homes with Minergie standards. In old buildings, the energy requirement for hot water preparation still accounts for around 10 to 20%. Especially in summer, many heaters only heat to provide constant warm water. Hot water or drinking water is primarily used in the household for washing, showering and bathing. This water has no contact with the water in the heating pipes.
  • An instantaneous water heater is a water heater that works according to the instantaneous principle. This means that only when there is demand is the freshly tapped cold water passed through the built-in heating coils in the instantaneous water heater, whereby it heats up as it flows. Instantaneous water heaters make it possible to provide warm water in a household as needed. Compared to other water heaters, the devices do not have a storage tank.
  • An electric boiler usually includes a compact, insulated storage tank with an integrated heating cartridge. The latter converts electrical energy into thermal energy, which it then transfers to the water in the storage tank. With electric boilers the water can be heated almost to the boiling point. Electric boilers are generally considered to be devices with a relatively high power consumption, but they can be combined with systems based on renewable energy.
  • a heat pump boiler works in principle like a heat pump or like an air heat pump. Heat is removed from the environment, which is then used with the help of a refrigerant to heat water. A heat pump heats heating water and hot water, the heat pump boiler only heats the hot water that comes from the pipe. Therefore, in connection with heat pump boilers, a hot water heat pump is often referred to.
  • a heat pump boiler air is sucked in using a fan and used to heat a refrigerant.
  • a compressor compresses this refrigerant, causing its temperature to rise further.
  • a heat exchanger then ensures that the heat is transferred to the water in the storage tank.
  • a heat pump boiler is set up so that it uses the already heated exhaust air from the heating room. But there are also domestic water heat pumps that use the used exhaust air from the living area and can thus be used for controlled apartment ventilation. When purchasing, it should be taken into account whether the system is designed for exhaust air, mixed air or even outside air.
  • the advantage of heat pump boilers is that: Hot water preparation can take place separately from an existing heating system and is more cost-effective because no fuel has to be purchased.
  • CH 717 616 A2 describes a method for heating water using heat pumps.
  • two or more heat pump boilers or boiler areas with large heat exchangers for heat pumps connected in series on the domestic water side are used. The process thereby separates cold water and hot water areas, heats the boilers individually or in groups using the heat pump and can thus achieve an increase in effectiveness.
  • a heating system for heating heating water in particular for a property, with a first heating device and with a second heating device, the second heating device being connected in series with the first heating device and arranged downstream of it.
  • the first heating device heats the heating water to a first temperature level and the second heating device heats the heating water to a second temperature level, the second temperature level being above the first temperature level.
  • heating device refers here to a device for heating heating water in a house or a property, which can also include several houses, which can be used separately, in addition to or as a replacement for existing heating systems and which preferably also have a storage volume.
  • the term “temperature level” refers to the target range of the respective heating device for the water temperature. Accordingly, the formulation according to which the second temperature level is above the first temperature level refers to the fact that the lower limit of the target range according to the second temperature level is above the upper limit of the target range according to the first temperature level.
  • the first and second heating devices are designed in particular for different temperature ranges.
  • the first heating device comprises a heat pump boiler.
  • Heat pump boilers work very efficiently with little electricity and cause significantly less noise emissions than conventional heat pumps because no air has to be sucked in from outside.
  • the second heating device comprises an electric boiler.
  • a particularly inexpensive and efficient heating system can be created, which requires an average consumption of around 1 kW/h, whereas conventional heat pump heating systems have an average consumption of around 4 kW/h.
  • the use of an instantaneous water heater as a second heating device is also conceivable.
  • the first temperature level to which the first heating device heats the heating water is from approximately 45 ° C to approximately 55 ° C.
  • the first stage of the heating system according to the invention can be achieved with a particularly high degree of efficiency.
  • the second temperature level to which the second heating device heats the heating water is from approximately 70 ° C to approximately 80 ° C.
  • the second stage of the heating system according to the invention with a relatively short heating time and a relatively low energy consumption.
  • a storage container in particular a storage tank
  • the second heating device in which heated heating water with essentially the second temperature level is received (i.e. from the second heating device or from the electric boiler).
  • heated heating water with essentially the second temperature level is received (i.e. from the second heating device or from the electric boiler).
  • the more cost-effective heat pump boiler can be used optimally.
  • a further storage container(s) is/are connected to the first storage container.
  • several such series-connected heating systems can be installed in one property.
  • An expansion vessel is preferably arranged upstream of the first heating device. This means that pressure fluctuations within the heating system can be reliably compensated for.
  • the expansion vessel is connected in parallel to the heating water return. In this way, the aforementioned pressure equalization can be achieved particularly effectively.
  • a pressure gauge and a safety valve are arranged downstream of the first heating device and preferably upstream of the second heating device. This can effectively prevent damage to the system, such as pipes and fittings bursting.
  • the safety valve and the pressure gauge can also be installed in other parts of the system (for example in the heating water return), since the pressure in the system is essentially the same everywhere.
  • the response pressure of the safety valve is around 2.5 bar to around 3.0 bar for single and two-family houses.
  • a circulation pump is preferably arranged downstream of the second heating device.
  • the heating water circuit is maintained using the circulation pump.
  • the circulation pump prevents the water in the pipe from cooling down by pumping it regularly.
  • the circulation pump is arranged downstream of the storage tank, which brings the heated water from the storage tank into the flow or into the heating water circuit.
  • a thermostat is preferably arranged downstream of the circulation pump.
  • the thermostat is used to regulate the flow rate of the heating water and a specific value for the room temperature (e.g. 20° C).
  • the first heating device and the second heating device each have a volume for holding the heating water or heating medium to be heated or for storing the heated heating water or heating medium.
  • This storage volume or storage volume (here also referred to as volume) is advantageously dimensioned to suit the property to be heated.
  • the first heating device has a volume in a range from approximately 200 liters to approximately 400 liters and in particular approximately 300 liters.
  • the second heating device also preferably has a volume in a range from approximately 200 liters to approximately 400 liters and in particular approximately 300 liters.
  • the storage container also preferably has a volume in a range from approximately 200 liters to approximately 400 liters and in particular approximately 300 liters.
  • the second heating device is coupled to a system based on a renewable energy source, in particular a solar system or a wind turbine.
  • a renewable energy source in particular a solar system or a wind turbine.
  • the energy efficiency of the entire system can be further increased, particularly when using an electric boiler as a second heating device.
  • Fig. 1 a schematic representation of an exemplary embodiment of a heating system according to the invention.
  • Fig. 2 is a schematic representation of a preferred embodiment of the heating system according to the invention.
  • FIG. 1 shows a schematic view of an exemplary embodiment of the heating system 10 according to the invention.
  • cool heating water flows via the return line 8 to the heat pump boiler 6.
  • the heating water is heated to a first temperature level T1, which is between approximately 45 ° C and approximately 55 ° C.
  • T1 a first temperature level
  • the heating water heated in this way reaches the electric boiler 7, where it is heated to a second temperature level T2, which is between approximately 70 ° C and approximately 80 ° C.
  • T2 which is between approximately 70 ° C and approximately 80 ° C.
  • the corresponding temperatures can be monitored using suitable sensors (not shown).
  • a safety valve 2 with a pressure gauge 5 is arranged between the heat pump boiler 6 and the electric boiler 7.
  • the safety valve can also be provided at another position in the heating system 10, such as in the return line 8, since the pressure in the heating system 10 is essentially the same everywhere.
  • the now completely heated heating water is conducted by means of the circulation pump 3 via the flow 9 to the radiators, where it can release its heat accordingly.
  • the flow rate or the corresponding room temperature is regulated using a thermostat 4.
  • An expansion vessel 1 is connected parallel to the return line 8 and connected to the heat pump boiler, which helps to compensate for any pressure fluctuations in the heating system 10.
  • Electricity can be provided to the electric boiler 7 in a cost-efficient and environmentally friendly manner via the solar system 11 shown here as an example become.
  • solar system 11 shown here as an example become.
  • other systems based on renewable energy sources, such as wind turbines, can also be used to supply the electric boiler with electricity.
  • FIG. 2 shows a schematic view of a preferred embodiment of the heating system 10 according to the invention.
  • cool heating water flows via the return line 8 first to the heat pump boiler 6.
  • the heating water is brought to a first temperature level T1 heated, which is between about 45° C and about 55° C.
  • T1 heated, which is between about 45° C and about 55° C.
  • T2 heated, which is between approximately 70 ° C and approximately 80 ° C.
  • T2 which is between approximately 70 ° C and approximately 80 ° C.
  • the corresponding temperatures can be monitored using suitable sensors (not shown here).
  • a safety valve 2 with a pressure gauge 5 is also arranged between the heat pump boiler 6 and the electric boiler 7.
  • the safety valve can also be provided at another position in the heating system 10, such as in the return line 8, since the pressure in the heating system 10 is essentially the same everywhere.
  • the fully heated heating water is transferred from the electric boiler 7 to a storage container 12, where the temperature level T2 is essentially maintained from approximately 70 ° C to approximately 80 ° C, since the storage container (or storage tank) has a has appropriate insulation.
  • approximately twice the amount of heated heating water is available than in the embodiment according to FIG. 1 (since the heat pump boiler 6 again supplies the electric boiler 7 with water at the temperature level T1 and the electric boiler 7 in turn heats it up to the temperature level T2 ), so that the more cost-effective heat pump boiler 6 can be used optimally.
  • the water is then conducted by means of the circulation pump 3 via the flow 9 to the radiators, where it receives its heat can submit accordingly.
  • the flow rate or the corresponding room temperature is regulated using a thermostat 4.
  • An expansion vessel 1 is connected parallel to the return line 8 and connected to the heat pump boiler, which helps to compensate for any pressure fluctuations in the heating system 10.
  • Electricity can in turn be provided to the electric boiler 7 in a cost-efficient and environmentally friendly manner via the solar system 11.
  • other systems based on renewable energy sources, such as wind turbines, can also be used to supply the electric boiler with electricity.
  • the heating system according to the invention has the advantages summarized below, particularly in comparison with conventional heat pump heating systems. On the one hand, no official approval is required and the installation is relatively simple and therefore inexpensive, whereas conventional heat pump heating systems require more installation effort and approximately twice as high investment costs.
  • heating water can be heated up to 80 ° C with an average power consumption of 1 kW/h and also independently of the outside temperature.
  • the heating system according to the invention is suitable for all radiators or radiators and, in particular, does not cause any noise emissions to the outside, whereas conventional heat pump heating systems are not suitable for all radiators or radiators and produce a high noise level outside, especially in winter;
  • conventional heat pump heating systems can only regularly achieve temperatures of 48 ° C to 52 ° C, with an average power consumption of around 4 kW / h.
  • the individual devices can be replaced and there is no need for an exhaust gas control or a chimney sweep. The maintenance costs are correspondingly low. The delivery times for the individual devices are also shorter than is the case with conventional heat pump heating systems.
  • the heating system according to the invention offers a CO2-neutral and climate-friendly solution. List of reference symbols:

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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)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

L'invention concerne un système de chauffage (10) pour chauffer l'eau de chauffage. Le système de chauffage (10) comprend un premier dispositif de chauffage (6) et un second dispositif de chauffage (7), le second dispositif de chauffage (7) étant relié en série au premier dispositif de chauffage (6) et étant disposé en aval de celui-ci. Le premier dispositif de chauffage (7) chauffe l'eau de chauffage à un premier niveau de température (T1), et le second dispositif de chauffage (7) chauffe l'eau de chauffage à un second niveau de température (T2), le second niveau de température (T2) étant supérieur au premier niveau de température (T1).
PCT/EP2023/070273 2022-07-29 2023-07-21 Système de chauffage WO2024022970A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH000920/2022A CH719940A1 (de) 2022-07-29 2022-07-29 Heizungssystem zur Erwärmung von Heizungswasser.
CHCH000920/2022 2022-07-29

Publications (1)

Publication Number Publication Date
WO2024022970A1 true WO2024022970A1 (fr) 2024-02-01

Family

ID=87468476

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2023/070273 WO2024022970A1 (fr) 2022-07-29 2023-07-21 Système de chauffage

Country Status (2)

Country Link
CH (1) CH719940A1 (fr)
WO (1) WO2024022970A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2355167A1 (de) * 1973-11-05 1975-05-15 Siemens Ag Heizungsvorrichtung mit einer waermepumpe
FR2496240A1 (en) * 1980-12-17 1982-06-18 Rottner Sa J Air to water heat pump - has evaporator pre-heater with heat exchanger connected parallel to radiators
EP0285731A1 (fr) * 1987-04-09 1988-10-12 CHEVALIER, Gilbert Procédé et installation de chauffage central
EP3611435A1 (fr) * 2018-08-16 2020-02-19 Inventum Beheer B.V. Système de chauffage
CH717616A2 (de) 2020-07-06 2022-01-14 Horst Gruening Hokatherm Heizsysteme Gruening Verfahren zur Wassererwärmung mittels Wärmepumpen.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2355167A1 (de) * 1973-11-05 1975-05-15 Siemens Ag Heizungsvorrichtung mit einer waermepumpe
FR2496240A1 (en) * 1980-12-17 1982-06-18 Rottner Sa J Air to water heat pump - has evaporator pre-heater with heat exchanger connected parallel to radiators
EP0285731A1 (fr) * 1987-04-09 1988-10-12 CHEVALIER, Gilbert Procédé et installation de chauffage central
EP3611435A1 (fr) * 2018-08-16 2020-02-19 Inventum Beheer B.V. Système de chauffage
CH717616A2 (de) 2020-07-06 2022-01-14 Horst Gruening Hokatherm Heizsysteme Gruening Verfahren zur Wassererwärmung mittels Wärmepumpen.

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