EP2542838A1 - Arrangement for transferring and utilizing heat energy - Google Patents

Arrangement for transferring and utilizing heat energy

Info

Publication number
EP2542838A1
EP2542838A1 EP10846918A EP10846918A EP2542838A1 EP 2542838 A1 EP2542838 A1 EP 2542838A1 EP 10846918 A EP10846918 A EP 10846918A EP 10846918 A EP10846918 A EP 10846918A EP 2542838 A1 EP2542838 A1 EP 2542838A1
Authority
EP
European Patent Office
Prior art keywords
heat
energy
temperature
heat energy
arrangement according
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.)
Withdrawn
Application number
EP10846918A
Other languages
German (de)
French (fr)
Other versions
EP2542838A4 (en
Inventor
Taimo Majalahti
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2542838A1 publication Critical patent/EP2542838A1/en
Publication of EP2542838A4 publication Critical patent/EP2542838A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
    • F03G7/04—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using pressure differences or thermal differences occurring in nature
    • 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
    • F24D10/00—District heating systems
    • F24D10/003—Domestic delivery stations having a heat exchanger
    • 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
    • F24D11/0207—Central heating systems using heat accumulated in storage masses using heat pumps district heating system
    • 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
    • F24D11/0235—Central heating systems using heat accumulated in storage masses using heat pumps water heating system with recuperation of waste 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
    • F24D11/0235—Central heating systems using heat accumulated in storage masses using heat pumps water heating system with recuperation of waste energy
    • F24D11/0242—Central heating systems using heat accumulated in storage masses using heat pumps water heating system with recuperation of waste energy contained in exhausted air
    • 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
    • F24D2200/123—Compression type heat pumps
    • 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
    • F24D2200/13—Heat from a district heating network
    • 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
    • F24D2200/16—Waste heat
    • F24D2200/22—Ventilation air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/40—Geothermal heat-pumps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/17—District heating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/14—Combined heat and power generation [CHP]

Definitions

  • the invention relates to an arrangement in order to transmit and utilize heat energy from a unit which produces heat energy to a unit which utilizes heat energy in which arrangement heat energy is transferred through a pipe system with water that functions mainly as a heat transfer medium.
  • Energy plants, the ground, water systems and for example industrial processes are previously known as units that produce heat energy.
  • energy plants and industrial processes deliver it at such a temperature that it can be utilized directly or its temperature can even be lowered when they sell heat energy.
  • Heat energy from the ground or the water system is known as free energy that is transferred to a usage target with the help of pipe systems and with the help of the liquid circulating in them.
  • the temperature of the liquid when it is being transferred is however so low - usually under + 10 °C - that its temperature has to be increased with the help of a heat pump to a level where it can be utilized better.
  • the disadvantage of this free energy is the fact that it is hard to get during cold weather and usually transfer distances of this free energy are limited to a couple of hundred meters.
  • the present invention has a solution for utilizing this kind of energy the temperature level of which varies between approximately +10 °C - 50 °C in a new way. It is characteristic of the arrangement according to the invention regarding the transfer from the heat producing unit to the utilizer that heat energy is transmitted at such a delivery temperature of the heat transfer medium - at least at a temperature of + 20 °C, but under 60 °C - that in order to utilize the heat energy the above mentioned temperature is changed at the end of the user unit with the help of a heat pump in order to be suitable for utilization.
  • the temperature of the transferred energy can be arranged to the needed temperature level, approximately to a value + 10 °C with the help of one part of the arrangement or also in such a way that a hot intermediate agent that comes from the compressor in the cooling system is condensed to the temperature of this transferred liquid the temperature of which is lower than for example the outside temperature during hot weather.
  • the temperature difference between the sea surface and bottom can be utilized by placing vapour/liquid circulation process to function by means of the temperature difference so, that a rotation motion producing power craft can be get in connection with the process either to produce electricity by means of a generator or to give rotation motion for example to a compressor in a heat pump.
  • Figure 1 shows an arrangement according to the invention as a diagram.
  • Figure 2 shows an arrangement, where sea water is an energy source.
  • FIG. 1 One arrangement according to the invention is shown in Figure 1 as a diagram in which arrangement heat energy can be obtained from an energy plant 1 or from a similar process at a clearly higher temperature than what one could get as heat from the ground or as a heat from the water system as free energy.
  • the temperature is however clearly lower than the temperature that is delivered by energy plants in the district heating networks.
  • the invention relates to the transferred heat energy the temperature of which varies in the scale of about +30 °C - 60 °C in this example which heat energy is delivered with the help of delivery/return pipe systems 2, 3 to customers.
  • the temperature level is such that only by using heat exchangers hot household water cannot be produced from this temperature level at a temperature that is according to the regulations.
  • the return temperature of the water used in the transfer of the energy is in this example between +5 °C - 35 °C.
  • the arrangement according to the invention comprises therefore a heat pump 8 with the help of which the temperature level is risen to a desired level with a very good operating efficiency.
  • the arrangement comprises units for heat transfer known as such, like an evaporator 4, a condensing apparatus 7 and the water lines LV and KV and the circulating cycle of the cooling agent of the heat pump 8 in order to organize heating water and household water according to Figure 1.
  • Water line LV is hot water line to the building and KV is cold water line to the building.
  • Energy recovery from the exhaust air of the building is carried out by means of heat exchanger 9 (LTO), with which exhaust air is cooled.
  • LTO heat exchanger 9
  • the cooling unit 5 can be connected to the return pipe system 2 according to the Figure 1 if water temperature there is low enough. Another way is of course to take the cooling power directly from the evaporator 4 of the heat pump.
  • Extra process heats can be directed also by using delivery/return pipe systems from the industry processes, like from unit 6 to the condensing apparatus 7 also as a remote, if parallel heat sources are available.
  • sea water is as a heat source, the temperature of which is in deep place for example +5°C and near the surface of the sea +25°C.
  • a condenser 10 of a vapour/ liquid circulation is placed in the deep place and a evaporator unit 11 respectively near the surface of the sea.
  • condensed medium is pumped by means of a pump 12 to an evaporator 11 wherein pressure of the medium increased due to increased temperature.
  • Medium evaporates in the evaporator 11 due to heat energy which is transferring from the sea water to the evaporator.
  • Pressure increase in the evaporator 11 higher than in the condenser 10 is utilized by leading the medium to rotate a motor 13 simultaneously than it returns into the lower pressure space in the condenser 10. It is advantageous to use as such medium whose vapour pressure at temperature +5°C is over 5 bar, like carbon dioxide.
  • the motor 13 has been mounted to rotate a electric generator 14 and also a coupling is adapted to the device, where the motor 13 can rotate the heat pump 8.
  • heat energy of the sea water as a free energy for the heat pump by leading sea water via line 16 to the evaporator 4 of the heat pump 8, which cools the sea water before it is returned via line 17 back to the sea.
  • the cooled water in the line 17 can be utilized in cooling of different spaces by means of a heat exchanger.
  • the heat pump 8 gets energy at very good temperature for lifting to a higher temperature level in the condenser 7.
  • the lines 16 and 17 can be relative long in the example of the figure 2, so that the actual heat pump plant 8 can located on the seashore and also farther from the seashore where users like buildings and living quarters locate. In this case preferable each building has its own heat pump unit 8 with needed heat exchangers 4, 7.
  • the heat engine 10 -13 in the figure 2 can also be adapted to function in winter time between outdoor air and available free energy having temperature about 20° - 50°C.
  • the condenser is placed outdoors at cold weather and the evaporator 11 is placed to take the evaporation energy of the medium from the free energy available.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

Arrangement for transferring heat energy from a unit like heat power plant (1) which produces heat energy or from heat source locating in the nature, like from sea to a unit which utilizes heat energy, in which arrangement heat energy is transferred through a pipe system (2, 3),(16) and water functions mainly as a heat transfer medium. Heat energy is transferred at such a delivery temperature of the heat transfer medium - at least at a temperature of +20 °C, but under 60 °C - that in order to utilize the heat energy the above mentioned temperature has to be changed with the help of a heat pump (8) to be suitable for utilisation.

Description

Arrangement for Transferring and Utilizing Heat Energy
The invention relates to an arrangement in order to transmit and utilize heat energy from a unit which produces heat energy to a unit which utilizes heat energy in which arrangement heat energy is transferred through a pipe system with water that functions mainly as a heat transfer medium.
Energy plants, the ground, water systems and for example industrial processes are previously known as units that produce heat energy. Of these objects energy plants and industrial processes deliver it at such a temperature that it can be utilized directly or its temperature can even be lowered when they sell heat energy.
Heat energy from the ground or the water system is known as free energy that is transferred to a usage target with the help of pipe systems and with the help of the liquid circulating in them. The temperature of the liquid when it is being transferred is however so low - usually under + 10 °C - that its temperature has to be increased with the help of a heat pump to a level where it can be utilized better. The disadvantage of this free energy is the fact that it is hard to get during cold weather and usually transfer distances of this free energy are limited to a couple of hundred meters. There is a lot of heat energy also at a temperature that is lower than the temperatures that are used in the district heating network and respectively at a temperature which is higher than the temperature of the ground and the temperature of the water system. The present invention has a solution for utilizing this kind of energy the temperature level of which varies between approximately +10 °C - 50 °C in a new way. It is characteristic of the arrangement according to the invention regarding the transfer from the heat producing unit to the utilizer that heat energy is transmitted at such a delivery temperature of the heat transfer medium - at least at a temperature of + 20 °C, but under 60 °C - that in order to utilize the heat energy the above mentioned temperature is changed at the end of the user unit with the help of a heat pump in order to be suitable for utilization.
Other characteristic features of the invention are presented in the dependent claims. The advantage of the arrangement according to the invention is the fact that heat energy can be transmitted long distances in pipe systems which are constructed of plastic in the same way as district heating, heat losses during transfer are minor due to a low
temperature and that also the energy of the heat pump to be utilized can be fully utilized at the user end. Due to the low temperature of the transferred energy it is possible to use this energy in the summer time also to cool down buildings because the temperature of the transferred energy can be arranged to the needed temperature level, approximately to a value + 10 °C with the help of one part of the arrangement or also in such a way that a hot intermediate agent that comes from the compressor in the cooling system is condensed to the temperature of this transferred liquid the temperature of which is lower than for example the outside temperature during hot weather. If sea water is the heat source, the temperature difference between the sea surface and bottom can be utilized by placing vapour/liquid circulation process to function by means of the temperature difference so, that a rotation motion producing power craft can be get in connection with the process either to produce electricity by means of a generator or to give rotation motion for example to a compressor in a heat pump.
In the following the invention is described more detailed by referring to the accompanying drawing in which
Figure 1 shows an arrangement according to the invention as a diagram.
Figure 2 shows an arrangement, where sea water is an energy source.
One arrangement according to the invention is shown in Figure 1 as a diagram in which arrangement heat energy can be obtained from an energy plant 1 or from a similar process at a clearly higher temperature than what one could get as heat from the ground or as a heat from the water system as free energy. The temperature is however clearly lower than the temperature that is delivered by energy plants in the district heating networks. The invention relates to the transferred heat energy the temperature of which varies in the scale of about +30 °C - 60 °C in this example which heat energy is delivered with the help of delivery/return pipe systems 2, 3 to customers. The temperature level is such that only by using heat exchangers hot household water cannot be produced from this temperature level at a temperature that is according to the regulations. The return temperature of the water used in the transfer of the energy is in this example between +5 °C - 35 °C. The arrangement according to the invention comprises therefore a heat pump 8 with the help of which the temperature level is risen to a desired level with a very good operating efficiency. The arrangement comprises units for heat transfer known as such, like an evaporator 4, a condensing apparatus 7 and the water lines LV and KV and the circulating cycle of the cooling agent of the heat pump 8 in order to organize heating water and household water according to Figure 1. Water line LV is hot water line to the building and KV is cold water line to the building. Energy recovery from the exhaust air of the building is carried out by means of heat exchanger 9 (LTO), with which exhaust air is cooled.
The cooling unit 5 can be connected to the return pipe system 2 according to the Figure 1 if water temperature there is low enough. Another way is of course to take the cooling power directly from the evaporator 4 of the heat pump.
Extra process heats can be directed also by using delivery/return pipe systems from the industry processes, like from unit 6 to the condensing apparatus 7 also as a remote, if parallel heat sources are available. In figure 2 sea water is as a heat source, the temperature of which is in deep place for example +5°C and near the surface of the sea +25°C. A condenser 10 of a vapour/ liquid circulation is placed in the deep place and a evaporator unit 11 respectively near the surface of the sea. In the deep place in the condenser 10 condensed medium is pumped by means of a pump 12 to an evaporator 11 wherein pressure of the medium increased due to increased temperature. Medium evaporates in the evaporator 11 due to heat energy which is transferring from the sea water to the evaporator. Pressure increase in the evaporator 11 higher than in the condenser 10 is utilized by leading the medium to rotate a motor 13 simultaneously than it returns into the lower pressure space in the condenser 10. It is advantageous to use as such medium whose vapour pressure at temperature +5°C is over 5 bar, like carbon dioxide. The motor 13 has been mounted to rotate a electric generator 14 and also a coupling is adapted to the device, where the motor 13 can rotate the heat pump 8.
In the example of the figure 2 there is also utilized heat energy of the sea water as a free energy for the heat pump by leading sea water via line 16 to the evaporator 4 of the heat pump 8, which cools the sea water before it is returned via line 17 back to the sea. The cooled water in the line 17 can be utilized in cooling of different spaces by means of a heat exchanger. The heat pump 8 gets energy at very good temperature for lifting to a higher temperature level in the condenser 7.
The lines 16 and 17 can be relative long in the example of the figure 2, so that the actual heat pump plant 8 can located on the seashore and also farther from the seashore where users like buildings and living quarters locate. In this case preferable each building has its own heat pump unit 8 with needed heat exchangers 4, 7.
The heat engine 10 -13 in the figure 2 can also be adapted to function in winter time between outdoor air and available free energy having temperature about 20° - 50°C. In this case the condenser is placed outdoors at cold weather and the evaporator 11 is placed to take the evaporation energy of the medium from the free energy available.

Claims

Claims
1. Arrangement for transferring heat energy from a unit which produces heat energy like from heat power plant (1) or from heat source locating in the nature, like from sea to a unit which uses heat energy in which arrangement heat energy is transferred through a pipe system (2, 3),(16) and water functions mainly as a heat transfer medium,
characterized in that heat energy is transferred at such a delivery temperature of the heat transfer medium - at least at a temperature of +20 °C, but under 60 °C - that in order to utilize the heat energy the above mentioned temperature has to be changed with the help of a heat pump (8) to be suitable for utilisation.
2. Arrangement according to claim 1, characterized in that heat energy is transferred to remote users through delivery/return pipe systems (2, 3) which are sunk into the ground and the temperature of the transferred energy is increased by means of the heat pump (8).
3. Arrangement according to claim 1, characterized in that the temperature of the transferred energy is lowered with the help of the heat pump (8).
4. Arrangement according to claim 1, characterized in that the delivery temperature of the heat transfer medium varies between +20 °C - 50 °C.
5. Arrangement according to claim 1, characterized in that the temperature of the return pipe system (2),(17) is utilized in a cooling process.
6. Arrangement according to claim 1 , characterized in that a heat producing or delivering unit (1) is a heat energy plant, an industrial process or energy taken from nature..
7. Arrangement according to claim 1, characterized in that free energy taken from nature is transferred by means of heat engine (10 -13) to rotation motion, which is lead to rotate a generator (14) and/or the heat pump (8),
8. Arrangement according to claim 1, characterized in that the transferring line of the heat energy (2, 3);(16,17) is lead separately to each utilizer, wherein each utilizer has at least a heat pump unit (8) with needed heat exchangers (4),(7).
9. Arrangement according to the claim 1, characterized in that the heat engine (10 -13) is mounted to function between outdoor air, preferable cold air and available free energy having temperature about +20 °C - 50 °C.
EP10846918.0A 2010-03-03 2010-03-03 Arrangement for transferring and utilizing heat energy Withdrawn EP2542838A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FI2010/000016 WO2011107651A1 (en) 2010-03-03 2010-03-03 Arrangement for transferring and utilizing heat energy

Publications (2)

Publication Number Publication Date
EP2542838A1 true EP2542838A1 (en) 2013-01-09
EP2542838A4 EP2542838A4 (en) 2013-08-28

Family

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EP10846918.0A Withdrawn EP2542838A4 (en) 2010-03-03 2010-03-03 Arrangement for transferring and utilizing heat energy

Country Status (3)

Country Link
US (1) US20120325428A1 (en)
EP (1) EP2542838A4 (en)
WO (1) WO2011107651A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3553396A1 (en) * 2018-04-09 2019-10-16 JFE REBARO Fernwärmetechnik GmbH District heating discharge station
DE102021107698A1 (en) * 2021-03-26 2022-09-29 Peter Hulin-Bischof low-temperature heat network
WO2023149878A1 (en) * 2022-02-03 2023-08-10 Vilter Manufacturing Llc System and method for heating or cooling employing heat pump

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3147079A1 (en) * 1981-11-27 1983-06-01 Kurt Dipl.-Ing. 6380 Bad Homburg Bojak Installation for transport and preparation of heat for heating purposes on the basis of water heat
EP0382456A1 (en) * 1989-02-07 1990-08-16 Envirotech Investments Limited Improvements in or relating to buildings
WO2003012348A2 (en) * 2001-08-01 2003-02-13 Ace Ronald S Geothermal space conditioning
US20070205298A1 (en) * 2006-02-13 2007-09-06 The H.L. Turner Group, Inc. Hybrid heating and/or cooling system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD111731A1 (en) * 1974-06-04 1975-03-05
JPS62225778A (en) * 1986-03-27 1987-10-03 Hisaka Works Ltd Deep sea water supply device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3147079A1 (en) * 1981-11-27 1983-06-01 Kurt Dipl.-Ing. 6380 Bad Homburg Bojak Installation for transport and preparation of heat for heating purposes on the basis of water heat
EP0382456A1 (en) * 1989-02-07 1990-08-16 Envirotech Investments Limited Improvements in or relating to buildings
WO2003012348A2 (en) * 2001-08-01 2003-02-13 Ace Ronald S Geothermal space conditioning
US20070205298A1 (en) * 2006-02-13 2007-09-06 The H.L. Turner Group, Inc. Hybrid heating and/or cooling system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2011107651A1 *

Also Published As

Publication number Publication date
US20120325428A1 (en) 2012-12-27
WO2011107651A1 (en) 2011-09-09
EP2542838A4 (en) 2013-08-28

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