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Title:
GEO HYBRID SYSTEM
Document Type and Number:
Japanese Patent JP2020176745
Kind Code:
A
Abstract:
To provide an underground heat utilization system capable of combining the advantages of an open-loop system and a closed-loop system while solving the drawbacks of them.SOLUTION: An underground well 1 is provided in an aquifer. A pumping pipe 3 for pumping groundwater from the underground well 1 passes through a heat exchanger 11 and is connected to one port of a motor valve 5. To the other port of the motor valve 5, a return pipe 6 that returns to the underground well 1 via the heat exchanger 11 and the ground is connected. To the other port, a branch pipe 12 communicating with a water tank 14 is connected. A refrigerant circulation pipe 8 that supplies heat to a heat pump 16 is configured to exchange heat with the pumping pipe 3 and the return pipe 6 in the heat exchanger 11. In addition, switching the motor valve 5 to the return pipe 6 or the branch pipe 12 is automatically performed by a control device 15 based on the water level of the underground well 1 and then the heat load of the heat pump 16.SELECTED DRAWING: Figure 1

Inventors:
ISHIGURO KOJI
SHIROSHITA YUJI
ISHIGAMI TAKASHI
WATABE ATSUSHI
YANAGIDA HIROO
TANIGUCHI SATOKO
HIBATA MIKA
KIMURA ATSUSHI
Application Number:
JP2019077852A
Publication Date:
October 29, 2020
Filing Date:
April 16, 2019
Export Citation:
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Assignee:
MITSUBISHI MAT TECHNO CORP
International Classes:
F25B30/06; F24F3/00; F24F5/00; F24F11/84; F24F11/89; F24T10/20; F24T50/00; F25B27/00
Domestic Patent References:
JP2016070530A2016-05-09
JP2002146852A2002-05-22
JP2016098540A2016-05-30
JP2008014530A2008-01-24
Foreign References:
US4461157A1984-07-24
Attorney, Agent or Firm:
Motonari Tomisaki
Machida Mitsunobu
Tomisaki you



 
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