WO2012147113A1 - Échangeur de chaleur destiné à être utilisé dans une centrale géothermique, et centrale associée, pour l'exploitation de sources d'énergie renouvelable - Google Patents

Échangeur de chaleur destiné à être utilisé dans une centrale géothermique, et centrale associée, pour l'exploitation de sources d'énergie renouvelable Download PDF

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Publication number
WO2012147113A1
WO2012147113A1 PCT/IT2012/000123 IT2012000123W WO2012147113A1 WO 2012147113 A1 WO2012147113 A1 WO 2012147113A1 IT 2012000123 W IT2012000123 W IT 2012000123W WO 2012147113 A1 WO2012147113 A1 WO 2012147113A1
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WO
WIPO (PCT)
Prior art keywords
plant
pack
heat exchanger
fluid
entry
Prior art date
Application number
PCT/IT2012/000123
Other languages
English (en)
Inventor
Giovanni CHIAPPA
Original Assignee
Sani-Tech Group S.R.L.
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 Sani-Tech Group S.R.L. filed Critical Sani-Tech Group S.R.L.
Publication of WO2012147113A1 publication Critical patent/WO2012147113A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/12—Elements constructed in the shape of a hollow panel, e.g. with channels
    • F28F3/14—Elements constructed in the shape of a hollow panel, e.g. with channels by separating portions of a pair of joined sheets to form channels, e.g. by inflation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T10/00—Geothermal collectors
    • F24T10/10—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/0052—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using the ground body or aquifers as heat storage medium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/12—Elements constructed in the shape of a hollow panel, e.g. with channels
    • 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
    • F24D11/002—Central heating systems using heat accumulated in storage masses water heating system
    • F24D11/003—Central heating systems using heat accumulated in storage masses 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
    • F24D11/0221—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
    • F24D3/00—Hot-water central heating systems
    • F24D3/005—Hot-water central heating systems combined with solar energy
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/10—Geothermal energy
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage
    • 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
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin

Definitions

  • the present invention relates to plants for the utilization, processing and storage of energy from renewable energy sources.
  • the invention relates to a plant that uses an integrated system of renewable sources, and more specifically the irradiation of the sun and the temperature of the ground at an appropriate depth relative to the surface of the ground.
  • the core of the present invention is a new type of heat exchanger which works buried at an appropriate depth with respect to the surface of the ground, and which allows to recover the heat supplied by an energy source, preferably but not necessarily of a renewable type, transfer said heat to a user device and store at least part of the heat removed from the energy source for later use when said energy source is not available.
  • the Applicant has found a new way of mutual integration of certain renewable sources by which a considerable daily degree of self-sufficiency of the plant is reached, wherever said plant is geographically located.
  • Such self-sufficiency is achieved in particular thanks to the accumulation of energy when the energy supplied by said sources is overabundant with respect to the needs and to its recovery when that provided by said sources is less than the consumption required. More specifically, the energy alternately accumulated and recovered is thermal energy.
  • the invention therefore relates to a heat exchanger for use in a geo- thermal plant for the exploitation of renewable energy sources characterized by being itself a heat accumulator for the storage and release of said heat according to the needs.
  • the invention also relates to a plant for the production of energy for industrial and/or domestic purposes, characterized in that it comprises a heat exchanger according to the invention, buried with its top surface at a depth not less than 3 meters from the ground.
  • FIG. 1 shows a schematic front view, of one of the plates which constitute the constituent elements of the heat exchanger according to the invention
  • Figure 2 shows, in perspective view, the pack of plates that defines the heat exchanger according to the invention
  • Figure 3 shows in a front view, a possible arrangement of the coils formed in each plate
  • Figure 4 shows, in schematic front section, the plant according to the invention
  • Figure 5 shows, in schematic front section, a different embodiment of the heat exchanger of Figure 1 with entries and exits of the coils arranged in a central position with respect to the plate
  • Figure 6 shows, in schematic front section, an alternative embodiment of the plate of Figure 3 with the two channelings (one entry and one exit) in a central position but offset with respect to the axis of the plate.
  • the exchanger 1 comprises a pack of plates, of which only the front plate 2 is visible.
  • the plates preferably have a square or rectangular shape, i.e. are delimited by two pairs of opposite sides (3, 4; 5, 6) of equal length and parallel.
  • each plate has dimensions, in millimeters, equal to 1500x750x1.5, i.e. the upper and lower sides, with respect to its vertical position in the plant measure 1500 mm, the lateral sides measure 750 mm while the thickness of the plate is equal to 1.5 mm.
  • Said prototype then comprises ten plates, however those skilled in the art will have no difficulty in deciding the measures and the amount of plates necessary in relation to the desired performance for the plant that is intended to be built.
  • Each plate is conveniently constructed with the usual technique known as Roll- Bond. This consists of assembling together, by welding, two sided thin metal sheets.
  • the above metal sheets are preferably of aluminum or steel or galvanized metal sheet, i.e. of material chosen in relation to the performance required and to the type and degree of wear to which it will be subjected in operation, in the plant.
  • a circuit On at least one of said sheets, on its surface facing the other sheet, with a material that inhibits bonding between the two sheets, a circuit, is designed, preferably a coil, which reproduces the development of the channeling that will be obtained between the two sheets.
  • the above channeling comprises ( Figure 3) a plurality of coils 7, substantially developed upon the entire surface of the plate, all having the same entry 8 and the same exit 9.
  • the entry 8 and the exit 9 of the said channeling are arranged at the opposite ends of the plate, on the same side 3 although of course other solutions are possible, for example with entries 8 and the exits 9 arranged on the same side of the plate, or in the center of the same, and on the same side 3 ( Figures 5 and 6) or on opposite sides 3 and 4.
  • the plates are arranged in the pack so as not to align with each other the entries 8 and the exits 9 of said plates, leaving them alternately offset upon the same surface of the pack, preferably the upper one, and on the same end of said pack; in this way at each end of the pack are available two sided entry rows mutually offset. All entries lying on the same row are conveyed in a single channeling, respectively 10, 1 1, 12, 13.
  • the connections are established so that the entries of the row 10 correspond to the exits of the row 12 and then the entries of the row 13 correspond to the exits of the row 11.
  • entry and exit used herein identify the circulation direction of the fluid in the plates so that, in the heat exchanger according to the invention two fluids circulating in counter-phase, i.e. in the opposite direction to one another; the first fluid enters the channeling 10 and exits the channeling 12, the second fluid enters the channeling 13 and exits the channeling 1 1.
  • the plates are inserted in the pack alternately oriented in opposite directions so that the misalignment of the channeling in each plate generates a pack of plates which has four rows of channels, similarly to that shown in Figure 2.
  • said fluids are fluids known in the art, chosen in relation to the type of plant and devices for the absorption and dispersion of energy connected with said plant: in particular the fluid used, may be the fluid commonly known as "technical water", or a fluid containing anti-freeze or even a mixture of liquid and gas.
  • the fluid used in particular the fluid used, may be the fluid commonly known as "technical water", or a fluid containing anti-freeze or even a mixture of liquid and gas.
  • an entry channeling and the corresponding exit channeling on the opposite end of the pack are connected with a device adapted for receiving cold fluid to be heated, the other entry channeling, and the corresponding exit channeling on the opposite end of the pack are connected with a device adapted for receiving hot fluid to be cooled.
  • the two fluids travel in opposite directions within the heat exchanger, thus maximizing the yield, since the exchange of heat between the two fluids that intersect each other is favored by the gap in temperature between the two fluids, always maximum in each point of the channeling within the plate.
  • the plates are embedded in a material with high thermal capacity which is inserted between plate and plate and covers and encompasses the entire pack of plates.
  • this material with high thermal capacity comprises a mixture of cement and bentonite, preferably admixed with siliceous sand and/or quartz sand, in order to maximize the thermal conductivity of the mixture.
  • the mixture selected by the technician can be prepared case by case,from time to time as needed but the technician will find more convenient to use products already pre-mixed and available on the market.
  • the heat exchanger described above has found advantageous application in a geo- thermal type plant, for the production of energy for industrial and/or domestic purposes, in particular through the use of renewable sources.
  • the plant according to the invention ( Figure 4) comprises a first device 14 adapted for receiving cold fluid to be returned at a higher temperature, a second device 15 adapted for receiving hot fluid to be returned at a lower temperature and the heat exchanger 1 already described.
  • Said device 14 can be a solar thermal panel, or a hybrid photovoltaic panel, adapted to recover heat from solar radiation, or any source of heat that needs to be cooled, such as the radiator of an internal combustion engine or other similar equipment.
  • the cooling is achieved by circulating in the channeling 10-12, through a pump 16, a fluid Fl .
  • Said fluid, released from the exchanger at exit 12, cold, is sent to the device 14 where it is heated by removing heat from the device, and then cooling it down.
  • the fluid now at a high temperature, enters into the plates of the exchanger from the entry 10 and during the crossing of the plates yields heat to the second fluid circulating in 13-1 1, in the direction opposite to that of Fl, cooling down, after which is again sent to the device 14.
  • the second fluid F2 kept in circulation in the system of Figure 4 by way of a pump 19, is used to transfer heat to a third fluid, circulating in the device 15, such as a heat pump, where said third fluid must be heated, or cooled, for a number of possible technical uses, already well known so as not to require for that matter a specific description. See for example, the co-pending patent application N° MI2010A000458 of the same Applicant, filed on March 22, 2010.
  • said third fluid enters, cold, in the device 15 from the entry 17 and exits, hot, from the exit 18.
  • the second fluid F2 arriving cold from the device 15 enters the heat exchanger 1 from the entry 13 and exits hot from the exit 1 1 to return to the device 15.
  • the fluid Fl circulating in counter-phase.
  • the heat exchanger 1 is used buried, with the top surface 3 of the pack of plates placed at a depth p, with respect to the ground, not less than 3 meters.
  • the soil temperature is substantially constant, in the order of 10°C, regardless of the environmental conditions.
  • the heat coming from the device 14 not only heats the fluid F2 but also the exchanger itself and the surrounding ground, and especially when the circulation of the fluid F2 is reduced or completely absent for any reason. Because of the high thermal capacity of the ground and especially the material in which is embedded the exchanger 1, said heat is maintained unchanged for a considerable time and can thus be recovered from the fluid F2 even when the source of the device 14 is unavailable for any reason.
  • the invention described provides important qualitative, economic and environmental, benefits in particular adapted to reduce the risks of pollution.
  • the solution of a heat exchanger at three/four meters below ground is a convenient inexpensive alternative to the extensive network of tubes placed two meters below the ground and a not only cheaper but also safer alternative to the known geothermal probes. These latter may continue on to a hundred meters underground, and to reach this depth the probes must cross at least a water table with the possibility of pollution of the same in the case that, following the breaking of the probe tubes, the fluid circulating therein may be dispersed within the water table.
  • the invention has made available a new and original method of mutual integration of different renewable energy sources in order to guarantee the self energy to a plant for exploitation of thermal energy, regardless of the environment temperature.
  • said method is characterized in that it accumulates heat, obtained particularly from renewable sources, in the ground during periods of overabundance of said heat, compared to the needs of the plant, to recover it for the use in said plant during periods of lack of said heat.
  • the system may have significant amounts of free and constant thermal energy, so as to guarantee the energetic and economic self-sufficiency of the plant regardless of its particular geographic location, whether in warm weather countries or with temperate or even cold climates, and the course of the seasons.
  • the renewable sources used, the equipment and the method of their use renders the plant emission-less, of harmful emissions in particular, for the atmosphere and for surface and underground water.
  • the construction costs of the plant are limited as technical components already known in the art and therefore with high quality and reliability characteristics are used in a new way.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

L'invention porte sur un échangeur de chaleur destiné à être utilisé dans une centrale géothermique pour l'exploitation de sources d'énergie renouvelable, lequel échangeur comprend un ensemble de plaques métalliques disposées côte à côte, chaque plaque comportant une canalisation pour la circulation d'un fluide, l'entrée et la sortie de ladite canalisation étant disposées aux extrémités opposées de la plaque. Les entrées et les sorties desdites plaques, sur les mêmes extrémités de l'ensemble, sont disposées par intervalles les unes par rapport aux autres, l'entrée dans une plaque étant adjacente à la sortie de la plaque adjacente. Toutes les entrées et toutes les sorties, sur la même extrémité de l'ensemble, sont reliées entre elles de manière à converger respectivement dans un canal d'entrée unique et dans un canal de sortie unique. Un canal d'entrée et le canal de sortie correspondant sur l'extrémité opposée de l'ensemble sont reliés à un dispositif conçu pour recevoir un fluide froid à chauffer, tandis que l'autre canal d'entrée, et le canal de sortie correspondant sur l'extrémité opposée de l'ensemble, sont reliés à un dispositif conçu pour recevoir un fluide chaud à refroidir. L'échangeur de chaleur selon l'invention est installé dans une centrale géothermique pour l'exploitation d'énergie renouvelable, et fonctionne en étant disposé à trois mètres de profondeur dans le sol.
PCT/IT2012/000123 2011-04-29 2012-04-27 Échangeur de chaleur destiné à être utilisé dans une centrale géothermique, et centrale associée, pour l'exploitation de sources d'énergie renouvelable WO2012147113A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000714A ITMI20110714A1 (it) 2011-04-29 2011-04-29 Scambiatore di calore per un impianto geo-termico, e relativo impianto, atti a garantire lo sfruttamento di fonti energetiche rinnovabili
ITMI2011A000714 2011-04-29

Publications (1)

Publication Number Publication Date
WO2012147113A1 true WO2012147113A1 (fr) 2012-11-01

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PCT/IT2012/000123 WO2012147113A1 (fr) 2011-04-29 2012-04-27 Échangeur de chaleur destiné à être utilisé dans une centrale géothermique, et centrale associée, pour l'exploitation de sources d'énergie renouvelable

Country Status (2)

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IT (1) ITMI20110714A1 (fr)
WO (1) WO2012147113A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020094791A (ja) * 2018-12-14 2020-06-18 ダンフォス アクチ−セルスカブ 熱交換器及び空気調和システム
JP2023506837A (ja) * 2019-12-20 2023-02-20 ハンオン システムズ 熱交換機及び多数の熱交換機を備える熱交換機装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4184477A (en) * 1977-05-03 1980-01-22 Yuan Shao W Solar heating and storage
DE3016349A1 (de) * 1980-04-28 1981-10-29 Hacheney, Wilfried, Dipl.-Ing., 4930 Detmold Mit einer waermepumpe ausgeruestete heizungsanlage
FR2504658A1 (fr) * 1981-04-22 1982-10-29 Thermal Energy Storage Inc Appareil pour emmagasiner de l'energie et permettre une utilisation ulterieure de cette energie sous forme de chaleur
US4787444A (en) * 1983-12-19 1988-11-29 Countryman James H Heating and cooling system
US5477914A (en) * 1993-02-08 1995-12-26 Climate Master, Inc. Ground source heat pump system comprising modular subterranean heat exchange units with multiple parallel secondary conduits
WO1996017211A1 (fr) * 1994-11-25 1996-06-06 Otto Hans Caspar Messner Enceinte de confinement collecteur pour evaporateurs a evaporation directe
US5941238A (en) * 1997-02-25 1999-08-24 Ada Tracy Heat storage vessels for use with heat pumps and solar panels

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4184477A (en) * 1977-05-03 1980-01-22 Yuan Shao W Solar heating and storage
DE3016349A1 (de) * 1980-04-28 1981-10-29 Hacheney, Wilfried, Dipl.-Ing., 4930 Detmold Mit einer waermepumpe ausgeruestete heizungsanlage
FR2504658A1 (fr) * 1981-04-22 1982-10-29 Thermal Energy Storage Inc Appareil pour emmagasiner de l'energie et permettre une utilisation ulterieure de cette energie sous forme de chaleur
US4787444A (en) * 1983-12-19 1988-11-29 Countryman James H Heating and cooling system
US5477914A (en) * 1993-02-08 1995-12-26 Climate Master, Inc. Ground source heat pump system comprising modular subterranean heat exchange units with multiple parallel secondary conduits
WO1996017211A1 (fr) * 1994-11-25 1996-06-06 Otto Hans Caspar Messner Enceinte de confinement collecteur pour evaporateurs a evaporation directe
US5941238A (en) * 1997-02-25 1999-08-24 Ada Tracy Heat storage vessels for use with heat pumps and solar panels

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020094791A (ja) * 2018-12-14 2020-06-18 ダンフォス アクチ−セルスカブ 熱交換器及び空気調和システム
JP2023506837A (ja) * 2019-12-20 2023-02-20 ハンオン システムズ 熱交換機及び多数の熱交換機を備える熱交換機装置
JP7402987B2 (ja) 2019-12-20 2023-12-21 ハンオン システムズ 熱交換機及び多数の熱交換機を備える熱交換機装置

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