WO2002064952A8 - Heat energy recovery and storage system - Google Patents

Heat energy recovery and storage system

Info

Publication number
WO2002064952A8
WO2002064952A8 PCT/FI2002/000106 FI0200106W WO02064952A8 WO 2002064952 A8 WO2002064952 A8 WO 2002064952A8 FI 0200106 W FI0200106 W FI 0200106W WO 02064952 A8 WO02064952 A8 WO 02064952A8
Authority
WO
WIPO (PCT)
Prior art keywords
heat energy
storage system
energy recovery
groundwater
container
Prior art date
Application number
PCT/FI2002/000106
Other languages
French (fr)
Other versions
WO2002064952A1 (en
Inventor
Markku Raiko
Timo Vaahtera
Original Assignee
Fortum Oyj
Markku Raiko
Timo Vaahtera
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 Fortum Oyj, Markku Raiko, Timo Vaahtera filed Critical Fortum Oyj
Publication of WO2002064952A1 publication Critical patent/WO2002064952A1/en
Publication of WO2002064952A8 publication Critical patent/WO2002064952A8/en

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Building Environments (AREA)

Abstract

The invention concerns a heat energy recovery and storage system. The system includes a container (24) below the groundwater (25) surface level (T1), whereby the water in the container (24) is pressurised by the groundwater.
PCT/FI2002/000106 2001-02-13 2002-02-12 Heat energy recovery and storage system WO2002064952A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20010268 2001-02-13
FI20010268A FI110542B (en) 2001-02-13 2001-02-13 Heat recovery and storage system

Publications (2)

Publication Number Publication Date
WO2002064952A1 WO2002064952A1 (en) 2002-08-22
WO2002064952A8 true WO2002064952A8 (en) 2003-11-20

Family

ID=8560335

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI2002/000106 WO2002064952A1 (en) 2001-02-13 2002-02-12 Heat energy recovery and storage system

Country Status (2)

Country Link
FI (1) FI110542B (en)
WO (1) WO2002064952A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9194246B2 (en) 2011-09-23 2015-11-24 General Electric Company Steam turbine LP casing cylindrical struts between stages
WO2023244465A1 (en) * 2022-06-18 2023-12-21 Yiding Cao Utility-scale underground hot water storage (usuhws) for power production and heat supply

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB976148A (en) * 1960-10-19 1964-11-25 Hermann Berger Steam accumulator
DE2501061A1 (en) * 1974-01-15 1975-07-17 Bernard Contour ACCUMULATOR FOR THERMAL ENERGY
US3996749A (en) * 1974-05-07 1976-12-14 Compagnie Francaise D'etudes Et De Construction "Technip" Method and plants for producing, storing, modulating and distributing energy
DE2609622A1 (en) * 1976-03-09 1977-09-15 Babcock Ag METHOD AND DEVICE FOR STORAGE OF ENERGY IN POWER PLANTS

Also Published As

Publication number Publication date
FI20010268A (en) 2002-08-14
FI20010268A0 (en) 2001-02-13
FI110542B (en) 2003-02-14
WO2002064952A1 (en) 2002-08-22

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