JP2008215780A - Accumulated waste heat utilization device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an accumulated waste heat utilization device capable of attaining relaxation of city warming by reduction of an installation area of a heat accumulation part for accumulating the waste heat and release of excessive waste heat to a place other than a living zone. <P>SOLUTION: When the waste heat from an electric equipment body 11 is generated, a heating medium absorbs the waste heat by circulating the heating medium in an accumulation heat circulation passage 14 through the heating medium circulation device 15a, and heat exchange is performed in the ground 12. Thereby, the waste heat from the electric equipment body is accumulated in the ground 12. Further, by circulating the heating medium in a heat utilization circulation passage 17, the waste heat accumulated in the ground 12 is absorbed to the heating medium, and the heating medium becoming high temperature flows to a heat utilization device 16. Further, since a radiation cooling panel 18 is arranged in a radiation cooling circulation passage 19 installed near the accumulation heat circulation passage 14, when a control device 20 determines that the temperature of the heating medium flowing into a cooling device 13 becomes high temperature, the waste heat is released into atmosphere at the outside of the living zone as an electromagnetic wave through the radiation cooling panel 18. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a device for storing waste heat generated from electrical equipment such as a transformer and using the heat storage, and particularly, using waste heat storage capable of improving high applicability and energy saving in urban areas. Relates to the device.

  In the prior art, an exhaust heat utilization device described in Patent Document 1 is proposed as a device that temporarily stores exhaust heat generated from electrical equipment such as a transformer and uses the stored exhaust heat. Specifically, as shown in FIG. 7, this apparatus includes an exhaust heat recovery heat exchanger 2 provided in the electric device body 1 and an exhaust for extracting the exhaust heat recovered by the exhaust heat recovery heat exchanger 2. It is comprised from the heat utilization heat exchanger 3 and the heat storage part 4 which stores the taken-out exhaust heat.

  The exhaust heat recovery heat exchanger 2 and the primary side 3 a of the exhaust heat utilization heat exchanger 3 are connected by an annular heat medium circulation path 5, and the heat medium circulation path 5 has an exhaust heat recovery heat exchange. In order to supply the heat recovered by the vessel 2 to the utilization side through the exhaust heat utilization heat exchanger 3, a heat medium is enclosed. Further, the heat storage section 4 and the secondary side 3 b of the exhaust heat utilization heat exchanger 3 are connected by an annular utilization side circulation path 6, and a heat medium is also enclosed in the utilization side circulation path 6.

The heat medium circulation path 5 and the use-side circulation path 6 are each provided with a heat medium circulation device 7 such as a constant pressure pump that forcibly circulates the heat medium enclosed therein, and the heat medium circulation device 7 is driven. Thus, the exhaust heat generated in the electric device main body 1 is stored in the heat storage unit 4 through the heat medium, and heat is taken out from the outlet 8 provided in the heat storage unit 4.
JP-A-9-190927

  By the way, in the said prior art, since the exhaust heat which generate | occur | produces from the electric equipment main body 1 can be utilized, it is excellent in energy saving property and a highly efficient waste heat storage utilization apparatus is provided. However, the heat storage unit 4 that stores the exhaust heat extracted through the exhaust heat utilization heat exchanger 3 requires a predetermined area for installation, and thus lacks applicability in urban areas. In addition, since this exhaust heat storage utilization device releases excess exhaust heat from the electrical equipment 1 to the atmosphere, installing it in an urban area will affect urban warming and cause less consideration for environmental issues. Will occur.

  The present invention has been proposed to solve the above-mentioned problems, and is intended to mitigate urban warming by reducing the installation area of the heat storage unit that stores exhaust heat and releasing excess exhaust heat outside the living area. An object of the present invention is to provide an exhaust heat storage utilization device that can be used. That is, it aims at realizing high applicability to urban areas and reduction of environmental load while maintaining energy saving.

  In order to achieve the above-described object, the present invention provides an electrical device, a heat utilization device that utilizes heat exchange of exhaust heat from the electrical device, and exhaust heat generated from the electrical device circulates through a heat medium. In the exhaust heat storage circuit using the heat storage circuit and the heat utilization circuit through which the heat medium circulates through the heat utilization device, the heat storage circuit and the heat utilization circuit are partially in the ground The waste heat is stored in the ground by circulating the heat medium in the heat storage circuit, and the heat medium flowing through the heat utilization circuit absorbs the heat storage.

  Further, a radiation cooling panel that emits heat to the outside as an electromagnetic wave, and a radiation cooling circuit that is partly installed in the ground and through which the heat medium circulates through the radiation cooling panel, Another aspect of the present invention is that the heat medium absorbs the heat storage when the heat medium flows through the radiation cooling circuit, and the heat storage is released from the radiation cooling panel.

  The heat storage circuit is provided with a radiation cooling panel that emits heat to the outside as electromagnetic waves, and based on the temperature of the heat medium flowing through the heat storage circuit, radiation cooling of the heat medium flowing through the heat storage circuit A control device that controls the inflow to the panel, and the control device controls the heat medium to flow through the radiation panel when it is determined that the temperature of the heat medium flowing through the heat storage circuit is equal to or higher than a predetermined temperature. In addition, when it is determined that the temperature of the heat medium is lower than the predetermined temperature, control is performed so that the heat medium does not flow through the radiation panel.

  According to the present invention as described above, since the exhaust heat from the electric device main body is stored in the ground, it is not necessary to secure the installation area of the heat storage unit, and the applicability of the exhaust heat storage system in urban areas is improved. Can be increased. In addition, with regard to the excess heat that is stored, heat can be released to the atmosphere outside the living area in the form of electromagnetic waves by using a radiant cooling panel rather than releasing it only from existing cooling devices to the atmosphere. Therefore, it becomes possible to reduce the environmental load by mitigating urban warming.

[This embodiment]
[1. First Embodiment]
[Constitution]
Next, the overall configuration according to the first embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a schematic diagram showing an exhaust heat storage utilization system according to the present embodiment. First, according to the present invention, as shown in FIG. 1, an electric device main body 11 such as a transformer that generates exhaust heat is installed, and is connected to the electric device main body 11 in a ring shape through a ground 12 and a cooling device 13. A heat storage circuit 14 that is a pipe is connected.

  The heat storage circuit 14 absorbs exhaust heat from the electric device main body 11 and encloses a heat medium having a heat transfer effect, and a heat medium circulation device 15a such as a constant pressure pump serving as a drive source for circulating the heat medium. Is installed. In addition, as shown in FIG. 1, the heat storage circuit 14 is configured so that the piping provided from the upper part of the electric device main body 11 is connected to the electric device main body 11 again through the underground 12. The waste heat is stored in the underground 12 by the heat medium flowing in the passage 14.

  That is, the underground 12 functions as a heat storage unit that stores the exhaust heat from the electric device main body 11. Further, in the heat storage circuit 14, a cooling device 13 such as a radiator is installed on the ground, and when the temperature of the heat medium circulating in the heat storage circuit 14 is high, the heat medium is cooled through the control device 20 described later. . The cooling device 13 has a built-in thermometer for measuring the temperature of the heat medium circulating in the heat storage circuit 14.

  And the heat utilization circuit 17 which arrange | positioned the heat utilization apparatus 16 utilized for hot water supply, heating, etc. is installed in the vicinity of the heat storage circuit 14 connected cyclically to the electric equipment main body 11. The heat utilization circulation path 17 is configured so that piping is provided from the heat utilization apparatus 16 installed on the ground and connected to the heat utilization apparatus 16 again through the underground 12. In addition, the heat utilization circulation path 17 is filled with a heat medium similarly to the heat storage circulation path 14, and a heat medium circulation device 15b such as a constant pressure pump for circulating the heat medium is installed.

  That is, the heat utilization circulation path 17 passes through the underground 12 where the exhaust heat is stored, so that the heat medium in the heat utilization circulation path 17 absorbs the heat storage from the underground 12 and supplies the heat to the heat utilization device 16. be able to. On the ground, a radiation cooling panel 18 that radiates the heat of the heat medium to the atmosphere outside the living area by using the radiation cooling phenomenon on a horizontal surface or a gentle slope such as the roof of a building on the ground. It is provided in the path 18.

  A radiant cooling circuit 19 through which a heat medium circulates is annularly connected to the radiant cooling panel 18, and the radiant cooling circuit 19 is also similar to the heat storage circuit 14 and the heat utilization circuit 17. It is installed through the underground 12 which is. Here, as shown in FIG. 2, the specific configuration of the radiant cooling panel 18 includes a plurality of pipes 18b into which a heat medium flows into a metal panel 18a mainly made of black painted aluminum or the like. Yes. That is, when the heat medium circulating in the radiant cooling circuit 19 passes through the pipe 18b installed in the radiant cooling panel 18, the heat of the heat medium is radiated into the atmosphere as electromagnetic waves.

  In addition, the radiant cooling circuit 19 through which the heat medium circulates via the radiant cooling panel 18 is located in the vicinity of the heat storage circuit 14 and the heat utilization circuit 17 so that heat exchange is easily performed in the underground 12 that is a heat storage unit. is set up. The radiation cooling circuit 19 is filled with a heat medium, and a heat medium circulation device 15c serving as a drive source for circulating the heat medium is installed. That is, when the heat storage amount in the underground 12 becomes excessive, the heat is released from the radiation cooling panel 18 into the atmosphere through the radiation cooling circuit 19 in the form of electromagnetic waves.

  Moreover, the piping configuration of the part installed in the underground 12 of the heat storage circuit 14, the heat utilization circuit 17, and the radiation cooling circuit 19 is spiral (FIG. 3) or multi-branch type (FIG. 4). The surface area in contact with the ground 12 is large. Therefore, since the amount of heat stored in the underground 12 that is the heat storage unit increases, the amount of heat obtained from the underground 12 by heat exchange increases, and the amount of heat used in the heat utilization device 16 and the amount of radiant cooling in the radiant cooling panel 18 are reduced. It becomes possible to increase.

  Further, in the present invention, the temperature of the heat medium flowing into the cooling device 13 from the thermometer built in the cooling device 13 is grasped, and the heat medium circulating device 15c installed in the radiant cooling circuit 19 based on this temperature. A control device 20 is provided for controlling the driving of the motor. When the control device 20 determines that the temperature of the heat medium flowing into the cooling device 13 is high (for example, a predetermined temperature or higher), it is considered that the load on the cooling device 13 is high. The device 15c is activated to release heat as an electromagnetic wave into the atmosphere through the radiation cooling panel 18.

  The control device 20 also controls driving of the cooling device 13 based on the temperature of the heat medium measured by the thermometer built in the cooling device 13. Specifically, when the control device 20 determines that the measured temperature of the heat medium flowing into the cooling device 13 has become equal to or higher than a predetermined temperature, the control device 20 activates the cooling device 13 to cool the heat medium. Control as follows.

[Action]
Next, the operation based on the above-described configuration in the first embodiment of the present invention will be described in detail below.
When exhaust heat from the electric device main body 11 is generated, the heat medium in the heat storage circuit 14 is circulated through the heat medium circulation device 15 a so that the heat medium absorbs the exhaust heat and performs heat exchange in the underground 12. Thereby, the exhaust heat from the electric device main body is stored in the underground 12.

  Then, the heat medium in the heat storage circuit 14 cooled by heat exchange in the underground 12 flows into the cooling device 13, and the control device 20 determines that the temperature of the flowing heat medium is equal to or higher than a predetermined temperature. When it does, the said cooling device 13 is started. Thereby, the heat medium is further cooled in the cooling device 13, and the cooled heat medium is returned to the electric device main body 11.

  When the heat utilization device 16 is used, the heat medium circulation device 15b is driven and the heat medium in the heat utilization circulation path 17 is circulated to absorb the exhaust heat stored in the underground 12 in the heat medium. Let And the heat medium which became high temperature by the heat exchange from the underground 12 flows into the heat utilization apparatus 16, and it becomes possible to utilize the heat stored in the underground 12 by the said heat utilization apparatus 16.

  That is, in the heat utilization device 16, the heat medium obtained by heat exchange through the ground 12 can be used, so the heat medium that has passed through the heat utilization device 16 is cooled, and the cooled heat medium is Then, it flows again into the underground 12 through the heat utilization circuit 17. And the heat medium which flows through the heat utilization circuit 17 absorbs heat storage from the underground 12, and becomes high temperature.

  In addition, when the amount of heat exhausted from the electric device main body 11 is large and the amount of heat stored in the underground 12 becomes excessive, the temperature of the heat medium flowing into the cooling device 13 installed in the heat storage circuit 14 becomes high. If 20 is determined, the radiation cooling panel 18 is used as follows. First, the control device 20 is installed in the radiant cooling circuit 19 when it is determined that the load on the cooling device 13 exceeds a certain level due to the high temperature of the heat medium flowing into the cooling device 13. Control is performed to start the heat medium circulating device 15c.

  When the heat medium circulation device 15c is driven, the heat medium in the radiant cooling circuit 19 circulates, and heat exchange in the underground 12 causes the heat medium that has reached a high temperature to flow into the radiant cooling panel 18. . Thereby, by using the radiation cooling phenomenon in the radiation cooling panel 18, the heat of the heat medium flowing into the radiation cooling panel 18 is released into the atmosphere outside the living area as electromagnetic waves.

  As described above, the control device 20 activates the heat medium circulation device 15c installed in the radiant cooling circuit 19 when a load of a certain level or more is detected based on the temperature of the heat medium flowing into the cooling device 13. However, the heat medium circulation device 15c is controlled to be driven at night from the relationship with the load on the environment. That is, the control device 20 has a built-in timer in advance, and can control the driving of the heat medium circulation device 15c based on the time of day and night. In addition, this invention also includes the operation | movement aspect which provides a thermometer outside without using a timer and controls the drive of the heat-medium circulation apparatus 15c by the said thermometer based on external temperature.

  As described above, according to the first embodiment of the present invention, the exhaust heat from the electric device main body 11 is stored in the ground 12, so it is not necessary to secure the installation area of the heat storage unit, and the exhaust heat storage The applicability of the usage system in urban areas can be enhanced. In addition, with respect to surplus heat that is stored, heat is not released only from the existing cooling device 13 to the atmosphere, but is released into the atmosphere outside the living area by using the radiation cooling panel 18 in the form of electromagnetic waves. Therefore, it becomes possible to reduce the environmental load by mitigating urban warming.

[2. Second Embodiment]
[Constitution]
Next, a configuration according to a second embodiment of the present invention will be described with reference to the schematic diagram of FIG. In FIG. 5, the same components as those in the first embodiment are denoted by the same reference numerals and description thereof is omitted.

  In the second embodiment, instead of the heat storage circuit 14 and the radiant cooling circuit 19 in the first embodiment, a combined circuit 21 that combines them together is an electric device body 11, a cooling device 13, and a radiant cooling panel. 18 and the like. Specifically, as shown in FIG. 5, when the pipe applied from the upper part of the electric device main body 11 passes through the underground 12 which is a heat storage part and again comes to the ground, the radiation cooling panel 18 side and a second three-way valve to be described later Connected to a first three-way valve 22 that branches to the side 23.

  The first three-way valve 22 is connected to a heat medium flowing from the electric device main body 11 through the underground 12 to a pipe connected to the radiation cooling panel 18 or a second three-way valve 23 described later. This is a branch valve that controls the flow to flow through the pipe. The piping on the radiation cooling panel 18 side of the first three-way valve 22 is connected to the second three-way valve 23 via the radiation cooling panel 18.

  Here, as described above, piping from the first three-way valve 22 side and the radiant cooling panel 18 side is connected to the second three-way valve 23, and further, piping that leads to the cooling device 13 is also connected to three directions. It is a branch valve branched to The piping on the cooling device 13 side of the second three-way valve 23 is connected to the electric device main body 11 via the cooling device 13 as shown in FIG.

  In addition, as above-mentioned piping structure, the heat medium which flows from the electric equipment main body 11 passes the underground 12, flows into the radiation cooling panel 18 via the 1st three-way valve 22, and from the 2nd three-way valve 23 A circulation path that returns to the electric device main body 11 via the cooling device 13 or flows from the first three-way valve 22 to the second three-way valve 23 and returns to the electric device main body 11 via the cooling device 13 is combined. This is the circulation path 21.

  In addition, the composite circulation path 21 is provided with a heat medium circulation device 15d instead of the heat medium circulation devices 15a and c installed in the first embodiment. That is, by adopting the composite circulation path 21, one heat medium circulation device can be reduced, and further, the number of pipes can be reduced.

  Here, the control device 20 is also installed in the second embodiment as in the first embodiment, but the control device 20 controls the opening and closing directions of the first and second three-way valves in the present embodiment. It also has a function to do. Specifically, the control device 20 closes the radiation cooling panel 18 side of the first three-way valve 22 during normal operation when the heat storage amount of the underground 12 is not excessive, and the second three-way valve. Control to open the 23 side. Further, control is performed so that the radiation cooling panel 23 side of the second three-way valve is closed and the first three-way valve 22 side and the cooling device 13 side are opened. The second three-way valve 23 is also controlled to open the first three-way valve 22 side.

  Thereby, the heat medium circulation device 15d is started and the heat medium in the composite circulation path 21 is circulated to obtain the same operation and effect as the heat storage circulation path 14 (see FIG. 1) in the first embodiment. Can do. In the first three-way valve 22, the pipe-side valve connected to the first three-way valve 22 from the electric device main body 11 via the ground 12 is always open when the system is driven.

  On the other hand, when the heat storage amount in the underground 12 becomes excessive and the temperature of the heat medium flowing into the cooling device 13 becomes high, the load on the cooling device 13 exceeds a certain level, the control device 20 Control is performed so that the radiation cooling panel 18 side of the first three-way valve 22 is opened and the second three-way valve 23 side is closed. Further, the control device 20 controls to open the first three-way valve 22 side and the cooling device 13 side of the second three-way valve 23 and to close the radiant cooling panel 18 side.

  As a result, the heat medium circulating device 15d is activated and the heat medium in the composite circulation path 21 is circulated, so that the heat medium that has passed through the ground 12 flows into the radiant cooling panel 18 and uses the radiative cooling phenomenon. Thus, the heat medium is cooled. Then, the cooled heat medium flows into the cooling device 13. Here, as in the case of the first embodiment, when the control device 20 determines that the temperature of the heat medium is equal to or higher than a predetermined value, the control device 20 drives the cooling device 13 to cool the heat medium again. Thereby, the cooled heat medium is returned to the electric device main body 11.

  In addition, the heat utilization apparatus 16, the heat utilization circulation path 17, and the heat medium circulation apparatus 15b shall be arrange | positioned similarly to 1st Embodiment. Here, the heat utilization circuit 17 in the underground 12 is installed in the vicinity of the composite circuit 21 in order to improve heat exchange efficiency.

[Action]
Next, the operation based on the above-described configuration in the second embodiment of the present invention will be described in detail below.
When exhaust heat is generated from the electric device main body 11, heat exchange is performed in the underground 12 by circulating the heat medium in the heat storage circuit 14 through the heat medium circulating device 15d. Stored.

  Here, when the heat storage amount of the underground 12 is normal without being excessive, the control device 20 closes the radiation cooling panel 18 side of the first three-way valve 22 and closes the second three-way valve 23 side. Is controlled to open. Further, control is performed so that the radiation cooling panel side of the second three-way valve 23 is closed and the first three-way valve 22 side and the cooling device 13 side are opened. In the first three-way valve 22, the valve on the piping side connected to the first three-way valve 22 from the electric device main body 11 through the underground 12 is controlled to be always open.

  Therefore, in the composite circulation path 21, the heat medium flows in the direction of the second three-way valve through the first three-way valve 22, and further flows in the direction of the cooling device 13 through the second three-way valve 23. That is, by operating the heat medium circulation device 15d to circulate the heat medium in the composite circulation path 21, it is possible to obtain the same operation and effect as the heat storage circulation path 14 (see FIG. 1) in the first embodiment. It becomes.

  On the other hand, when the control device 20 determines that the amount of heat stored in the underground 12 is excessive and the load on the cooling device 13 exceeds a certain level, the control device 20 performs radiative cooling of the first three-way valve 22 at night. Control is performed so that the panel 18 side is opened and the second three-way valve 23 side is closed, and further, the first three-way valve 22 side and the cooling device 13 side of the second three-way valve 23 are opened, and radiation cooling is performed. Control is performed to close the panel 18 side.

  The heat medium in the composite circulation path 21 is circulated by driving the heat medium circulation device 15d, so that the heat medium that has passed through the ground 12 flows into the radiant cooling panel 18 and uses the radiative cooling phenomenon. To be cooled. The heat medium cooled by the radiant cooling panel 18 flows into the cooling device 13 via the second three-way valve 23, and is cooled when the control device 20 determines that the temperature of the heat medium still exceeds the predetermined temperature. Control is performed so that the device 13 is driven. With this control, the heat medium can be further cooled through the cooling device 13. Then, the heat medium cooled again returns to the electric device main body 11. The heat utilization device 16 and the heat utilization circuit 17 are the same as those in the first embodiment.

  According to the second embodiment of the present invention as described above, it is possible to reduce the number of heat medium circulation devices by one as compared with the first embodiment, and the heat storage circuit 14 and the radiation cooling circuit 19. Since the composite circuit 21 is used instead of the piping, the number of pipes can be reduced.

[Other Embodiments]
In addition, this invention is not limited to the above embodiments, The following embodiment is included. Specifically, as shown in FIG. 6, a phase change substance having a large latent heat amount having a predetermined temperature as a melting point is lower than the temperature of exhaust heat generated from the electric device main body 11 in the underground 12 as a heat storage unit. In this embodiment, the capsule 25 is embedded.

By burying the capsule 25 in which the phase change material 24 is enclosed in the ground 12, the amount of exhaust heat stored in the ground through the heat medium flowing through the heat storage circuit 14 can be further increased. Further, by using NaOH.H ₂ O as the phase change material 24, a large amount of heat of about 50 ° C. can be stored.

  Furthermore, this invention is not limited to the said embodiment, Embodiment which utilizes the heat | fever stored in the underground 12 which is a heat storage part for the regenerator of an absorption refrigerating machine is also included. Therefore, it becomes possible to use the heat storage in the underground 12 for cooling or the like.

  Further, the present invention is not limited to the above embodiment, and includes the following embodiments. Specifically, the controller 20 is installed in the radiative cooling circuit 19 in the daytime when the amount of heat stored in the underground 12 that is the heat storage unit is insufficient when heat is used by the heat utilization device 16. The heat medium circulation device 15c is operated to circulate the heat medium.

  That is, the heat medium can be heated to a high temperature by absorbing the solar heat through the radiant cooling panel 18 due to the circulation of the heat medium in the radiant cooling circuit 19 during the daytime. It will be stored heat. Thereby, the shortage of the heat storage amount when the heat utilization device 16 performs heat utilization can be compensated.

The conceptual diagram which shows the whole structure of 1st Embodiment which concerns on this invention The perspective view which shows the structure of the radiation cooling panel which concerns on this invention The figure (1) which shows the piping structure in the underground of the circulation path which concerns on this invention The figure (2) which shows piping composition in the ground of the circulation way concerning the present invention The conceptual diagram which shows the whole structure of 2nd Embodiment which concerns on this invention. The conceptual diagram which shows the whole structure of other embodiment which concerns on this invention. Schematic showing the overall configuration of a conventional waste heat storage device

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Electrical equipment main body 2 ... Waste heat recovery heat exchanger 3 ... Waste heat utilization heat exchanger 3a ... Primary side 3b of waste heat utilization heat exchanger ... Secondary side 4 of waste heat utilization heat exchanger 4 ... Heat storage part 5 ... Heat medium circulation path 6 ... use side circulation path 7 ... heat medium circulation apparatus 8 ... outlet 11 ... electric equipment body 12 ... underground 13 ... cooling apparatus 14 ... heat storage circulation path 15 ... heat medium circulation apparatuses 15a-d ... heat medium Circulating device 16 ... Heat utilization device 17 ... Heat utilization circuit 18 ... Radiation cooling panel 18a ... Metal panel 18b ... Pipe 19 ... Radiation cooling circuit 20 ... Control device 21 ... Compound circuit 22 ... First three-way valve 23 ... Second three-way valve 24 ... phase change material 25 ... capsule

Claims (8)

Via an electrical device, a heat utilization device that is used by exchanging heat from the electrical device, a heat storage circuit in which exhaust heat generated from the electrical device circulates through a heat medium, and the heat utilization device In the exhaust heat storage utilization device comprising a heat utilization circulation path through which the heat medium circulates,
A part of the heat storage circuit and the heat utilization circuit are installed in the ground,
The heat medium in the heat storage circuit circulates to store waste heat in the ground,
A heat storage heat utilization apparatus, wherein the heat medium flowing through the heat utilization circuit absorbs the heat storage. A radiation cooling panel that emits heat to the outside as electromagnetic waves,
A radiant cooling circuit in which a part is installed in the ground and the heat medium circulates through the radiant cooling panel,
2. The exhaust according to claim 1, wherein in the ground, when the heat medium flows through the radiation cooling circuit, the heat medium absorbs the heat storage, and the heat storage is released from the radiation cooling panel. Heat storage device. Based on the temperature of the heat medium flowing through the heat storage circuit, the controller for controlling the circulation of the heat medium in the radiation cooling circuit,
The control device controls to circulate the heat medium in the radiant cooling circuit when it is determined that the temperature of the heat medium flowing in the heat storage circuit is equal to or higher than a predetermined temperature. The waste heat storage utilization apparatus described in 1.   The exhaust heat storage and utilization device according to any one of claims 1 to 3, wherein the heat utilization circuit and the radiation cooling circuit are installed in the vicinity of the heat storage circuit in the ground.   In the underground, at least one of the heat storage circuit, the heat utilization circuit, and the radiation cooling circuit is configured in a spiral shape or a multi-branch shape.   6. A capsule that encloses a phase change material having a melting point lower than the temperature of exhaust heat generated from the electrical equipment and having a large amount of latent heat is embedded in the ground. The exhaust heat storage utilization apparatus of any one of these. The exhaust heat storage apparatus according to claim 6, wherein the phase change material is NaOH · H ₂ O. The heat storage circuit is provided with a radiation cooling panel that emits heat to the outside as electromagnetic waves,
Based on the temperature of the heat medium flowing through the heat storage circuit, a control device that controls the inflow of the heat medium flowing through the heat storage circuit to the radiation cooling panel,
When determining that the temperature of the heat medium flowing through the heat storage circuit is equal to or higher than a predetermined temperature, the control device controls the heat medium to flow through the radiant panel, and the temperature of the heat medium is lower than the predetermined temperature. When it judges that it is, it controls so that a heat medium may not flow into the said radiation panel, The waste heat storage utilization apparatus of Claim 1 characterized by the above-mentioned.

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