WO2009133709A1 - 熱交換器及び空調システム - Google Patents
熱交換器及び空調システム Download PDFInfo
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- WO2009133709A1 WO2009133709A1 PCT/JP2009/001969 JP2009001969W WO2009133709A1 WO 2009133709 A1 WO2009133709 A1 WO 2009133709A1 JP 2009001969 W JP2009001969 W JP 2009001969W WO 2009133709 A1 WO2009133709 A1 WO 2009133709A1
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- Prior art keywords
- heat
- heat exchanger
- pipe
- outer pipe
- heat medium
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T10/30—Geothermal collectors using underground reservoirs for accumulating working fluids or intermediate fluids
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- 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
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
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- 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
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- 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
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- 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
Definitions
- the present invention relates to a heat exchanger installed in the ground or underwater, and an air conditioning system using the heat exchanger.
- a geothermal heat exchanger that collects geothermal heat from the ground is used in a heat pump heating system that uses geothermal heat (see, for example, Patent Document 1).
- a pipe having a heat medium therein (referred to as an embedded pipe in this specification) is embedded in the ground, and the heat medium in the embedded pipe is evaporated by geothermal heat.
- the pipe is branched from the buried pipe, a heat exchanger is attached to the branch pipe, and the heat recovered by the heat exchanger is used as a heat source of the heat pump heating system.
- Patent Document 1 even if a heat exchanger for the refrigerant on the heat pump side is directly introduced near the ground surface, and the underground heat is recovered using the phase change of the heat medium, the working fluid in the pipe is condensed.
- the area of the part is smaller than the area of the evaporation part, and the heat balance between vaporization and condensation is poor.
- the condensed working fluid flows from the upper part of the pipe, it does not wet the long pipe wall surface uniformly, that is, it cannot efficiently perform heat exchange from the underground heat.
- the present invention has been made paying attention to the above-mentioned problems, and aims to improve the heat exchange performance of a heat exchanger installed in the ground or in water.
- the first invention is An outer pipe (51) installed vertically or inclined in the ground or in water, and a heating heat transfer pipe (80) inserted into the outer pipe (51) to introduce the refrigerant into the inside and evaporate the refrigerant. ) And a heat medium sealed in the outer tube (51), and a heat exchanger that performs heat exchange using a phase change of the heat medium,
- the outer pipe (51) and the heating heat transfer pipe (80) guide the liquid heat medium between the inner wall of the outer pipe (51) and the outer wall of the cooling heat transfer pipe (52). It is arranged so that it may be arranged.
- the heat medium guide part (52) guides the heat medium condensed on the outer surface of the heating heat transfer tube (80) to the inner wall of the outer tube (51).
- the heat medium guided to the inner wall surface adheres and spreads in the circumferential direction of the inner wall surface in the process of flowing from the upper side to the lower side on the inner wall surface, and forms a liquid film there.
- the heating heat transfer tube (80) is formed in a coil shape.
- a wick (90) is provided in the outer pipe (51) along the inner wall of the outer pipe (51).
- the fourth invention is In the heat exchanger of the first invention,
- the inner wall of the outer pipe (51) is formed with a groove (100) that holds the heat medium by utilizing the surface tension of the heat medium or reducing the contact angle on the inner surface.
- the groove (100) holds the liquid heat medium in the outer pipe (51) and brings the held liquid refrigerant into contact with the inner wall of the outer pipe (51).
- An air conditioning system comprising the heat exchanger according to the first invention and performing a refrigeration cycle.
- heating operation using geothermal heat as a heat source is performed in the air conditioning system.
- the heat medium condensed on the outer surface of the heating heat transfer tube (80) is guided to the inner wall of the outer tube (51), and the heat medium guided to the inner wall surface moves on the inner wall surface.
- the heat medium in which the liquid film is formed obtains heat from the ground or water from the wall surface and evaporates again.
- the heat medium transfers heat in the ground or underwater to the heating heat transfer pipe (80), which is a vaporization section of the air conditioner, by a phase change of evaporation condensation.
- the condensed heat medium adheres and spreads in the circumferential direction of the inner wall surface of the outer tube (51), and forms a liquid film there, so that the length direction in the outer tube (51) In other words, it is possible to prevent the heat medium from drifting or wetting in the axial direction. Thereby, the heat medium that has become liquid can be efficiently brought into contact with the inner wall surface of the outer tube (51) and evaporated, and the heat exchange efficiency of the heat exchanger is further improved.
- the coiled heating heat transfer tube (80) guides the condensed heat medium to the inner wall of the outer tube (51), so that the length of the heat medium guide portion (52) is long.
- the heat exchange efficiency can be further improved.
- the wick (90) permeates and holds the liquid heat medium in the outer pipe (51) and makes the held liquid refrigerant contact the inner wall of the outer pipe (51). . Therefore, uniform wetting can be secured on the inner wall of the outer pipe (51), and the heat exchange performance is further improved.
- the groove (100) permeates and holds the liquid heat medium in the outer pipe (51) and makes the held liquid refrigerant contact the inner wall of the outer pipe (51). . Therefore, uniform wetting can be secured on the inner wall of the outer pipe (51), and the heat exchange performance is further improved.
- an outdoor unit air heat exchanger
- defrosting is not required regardless of the operation and the outside temperature, so that the heating operation can be performed with high efficiency.
- the liquid heat medium can be circulated smoothly inside the outer pipe (51)
- the heat transfer due to the phase change of the heat medium is caused by the heat transfer pipe (80) and the inner surface of the outer pipe (51).
- the heat exchange performance of the heat exchanger during heating is improved. And by this heat exchange performance improvement, it is possible to reduce the size of the heat exchanger, and it can also be expected to reduce the cost of the heating system.
- FIG. 1 is a system diagram of an air conditioning system including a geothermal heat exchanger according to an embodiment of the present invention.
- FIG. 2 is a longitudinal sectional view showing the configuration of the underground heat exchanger.
- Drawing 3 is a figure showing typically the state where the underground heat exchanger was installed in the ground.
- FIG. 4 is a diagram illustrating the configuration of the heat medium guide and the movement of the heat medium.
- FIG. 5 is a diagram schematically showing a state in which the heat exchanger (50) is installed in water.
- FIG. 6 is a diagram schematically showing a state in which the heat exchanger (50) is installed at an inclination.
- FIG. 7A is a cross-sectional view of another configuration example of the outer tube
- FIG. 7B is a perspective view of a part thereof.
- FIG. 8 is a cross-sectional view showing still another configuration example of the outer tube.
- Embodiment 1 of the Invention Embodiment 1 demonstrates the example of the heat exchanger (ground heat exchanger) installed in the ground as an example of the heat exchanger of this invention.
- the underground heat exchanger is used in, for example, a heat pump type air conditioning system capable of heating operation, and functions as an evaporator to collect heat from the soil during the heating operation.
- the soil here includes not only what is formed only of earth and sand but also a so-called aquifer including both earth and sand and water and a bedrock where rocks are continuously distributed. That is, this underground heat exchanger may perform heat exchange not only on earth and sand but also on underground water, bedrock, or all of them depending on the installation location and depth.
- FIG. 1 is a system diagram of an air conditioning system (1) including a heat exchanger (50) (ground heat exchanger) according to an embodiment of the present invention.
- the air conditioning system (1) of this embodiment is provided with the refrigerant circuit (10), as shown in FIG.
- the refrigerant circuit (10) is connected to the compressor (20), the indoor heat exchanger (30), the expansion valve (40), and the underground heat exchanger (50).
- the refrigerant circuit (10) is filled with a refrigerant (working fluid).
- Compressor (20) sucks and compresses refrigerant from the suction port, and discharges the compressed refrigerant from the discharge port.
- various compressors such as a scroll compressor can be adopted as the compressor (20).
- the compressor (20) has a suction port connected to the underground heat exchanger (50) (specifically, a later-described outlet (80c)) and a discharge port connected to the indoor heat exchanger (30 )It is connected to the.
- the indoor heat exchanger (30) is an air heat exchanger for exchanging heat between the refrigerant and room air.
- the indoor heat exchanger (30) is incorporated in a so-called indoor unit that is placed in a room that performs heating, and radiates the heat of the high-pressure refrigerant sent from the compressor (20) to the indoor air.
- a cross fin type fin-and-tube heat exchanger can be adopted as the indoor heat exchanger (30).
- the outflow hole of the indoor heat exchanger (30) is connected to the inflow hole of the expansion valve (40), and the radiated refrigerant flows out to the expansion valve (40).
- An indoor fan (31) is installed in the vicinity of the indoor heat exchanger (30). The indoor fan (31) blows conditioned air into the room.
- the expansion valve (40) has an outflow hole connected to the underground heat exchanger (50) (specifically, an introduction section (80a) described later), expands the refrigerant flowing from the indoor heat exchanger (30), and Then, the pressure is reduced to a pressure of about 1, and then discharged to the underground heat exchanger (50).
- the underground heat exchanger (50) collects heat for heating using geothermal heat as a heat source. As shown in FIG. 2, the underground heat exchanger (50) includes an outer pipe (51) and a heating heat transfer pipe (80).
- FIG. 3 is a diagram schematically showing a state in which the underground heat exchanger (50) is installed in the ground.
- the stratum includes a layer mainly composed of earth and sand, a layer including earth and sand, a layer mainly including water, and a bedrock in which rocks are continuously distributed.
- This underground heat exchanger (50) may be installed in any formation.
- FIG. 3 shows a state in which the underground heat exchanger (50) is installed in each of these layers.
- the underground heat exchanger (50) performs heat exchange only in one of the formations. May be installed to do.
- a predetermined amount of carbon dioxide (CO 2 ) is enclosed in the outer pipe (51) as a heat medium.
- this heat medium absorbs heat from the soil through the inner wall surface of the outer tube (51) and evaporates, and also heats the outer wall surface of the heating heat transfer tube (80) (the main body (80b described in detail later) )) Dissipates heat and condenses.
- the condensed heat medium is guided to the inner wall of the outer tube (51) by utilizing the surface tension of the heat medium or reducing the contact angle on the surface.
- a heat medium guide (52) (described later) is formed.
- the heating heat transfer tube (80) is formed of an introduction part (80a), a main body part (80b), and a lead-out part (80c).
- the introduction part (80a) is a pipe for introducing the refrigerant to the main body part (80b), and the lead-out part (80c) is a pipe for leading the refrigerant from the main body part (80b).
- the introduction part (80a) and the lead-out part (80c) are both formed in a straight shape, and one end thereof is inserted into the outer pipe (51) from above the outer pipe (51).
- the introduction part (80a) and the lead-out part (80c) are both connected to the main body part (80b) in the outer pipe (51).
- the main body (80b) exchanges heat with the heat medium in the outer pipe (51) to evaporate the refrigerant introduced therein.
- the main body (80b) is formed in a coil shape and is disposed above the outer tube (51).
- the heat medium (steam) is condensed during the heating operation.
- the main body (80b) forms a heat medium guide (52) for guiding the condensed heat medium to the inner wall of the outer tube (51).
- the outer wall surface of the main body (80b) is disposed close to the inner wall surface of the outer tube (51), and the surface tension of the heat medium is utilized between both wall surfaces.
- the condensed heat medium is attracted and guided to the inner wall surface of the outer tube (51).
- a gap is provided between the outer wall surface of the main body (80b) and the inner wall surface of the outer tube (51), and the heat medium guided to the inner wall surface of the outer tube (51) passes through this gap. It flows along the inner wall surface from the upper side of the outer pipe (51) to the lower side.
- the compressed refrigerant gas refrigerant
- the refrigerant discharged from the compressor (20) is sent to the indoor heat exchanger (30).
- the refrigerant that has flowed into the indoor heat exchanger (30) radiates heat to the indoor air in the indoor heat exchanger (30).
- the indoor air is heated, and the heated indoor air is sent back into the room by the indoor fan (31).
- the refrigerant radiated by the indoor heat exchanger (30) is sent to the expansion valve (40).
- the refrigerant flowing into the expansion valve (40) is depressurized when passing through the expansion valve (40), and then sent to the main body (80b) via the introduction part (80a) of the heating heat transfer pipe (80). .
- This introduced refrigerant is in a gas-liquid two-phase state.
- the heat medium is evaporated by geothermal heat and exists as steam.
- the heat medium of the vapor comes into contact with the outer wall surface of the main body (80b)
- the heat is absorbed by the main body (80b) and is condensed into a liquid.
- the heat medium that has become liquid is used in the heat medium guide section (52) by utilizing the surface tension of the heat medium or by reducing the contact angle on the surface, so that the outer wall surface of the main body section (80b) And the inner wall surface of the outer pipe (51).
- the attracted heat medium is guided to the inner wall surface of the outer tube (51), and passes through the gap between the outer wall surface of the main body (80b) and the inner wall surface of the outer tube (51).
- the main body (80b) is formed in a coil shape, the length of the heat medium guide (52) can be sufficiently secured.
- the heat medium guided to the inner wall surface of the outer pipe (51) spreads while adhering to the inner wall surface in the process of flowing from the upper side to the lower side on the inner wall surface, and forms a liquid film there.
- the heat medium in which the liquid film is formed evaporates by absorbing geothermal heat from the soil via the inner wall surface of the outer tube (51).
- the main body (80b) of the heat transfer tube (80) for heating is in contact with the steam of the heat medium in the outer tube (51). Therefore, the refrigerant in the main body (80b) absorbs heat from the vapor heat medium via the main body (80b) and is evaporated.
- geothermal heat is recovered by utilizing the phase change of the heat medium in the outer pipe (51).
- the refrigerant evaporated in the main body (80b) of the heating heat transfer tube (80) is led out to the compressor (20) from the lead-out part (80c).
- the compressor (20) sucks and compresses the refrigerant and discharges it again to the indoor heat exchanger (30).
- a refrigeration cycle (heating in this example) is performed in which the refrigerant is compressed by the compressor (20) using the underground heat exchanger (50) as a heat source.
- the heat medium condensed on the outer wall surface of the heating heat transfer tube (80) (main body portion (80b)) is transferred to the outer tube (51) by the heat medium guide portion (52). Guided by the inner wall surface and spreads attached to the inner wall surface. That is, it is possible to prevent the heat medium from drifting or wetting in the length direction (that is, the axial direction) in the outer tube (51). As a result, the liquid heat medium can be efficiently brought into contact with the inner wall surface of the outer tube (51) and evaporated. Thereby, the heat exchange performance in the underground heat exchanger (50) is improved, and the downsizing of the underground heat exchanger is enabled by the improvement of the heat exchange performance. In addition, the cost reduction of the air conditioning system (heating system) can be expected by downsizing.
- FIG. 5 is a diagram schematically showing a state in which the heat exchanger (50) is installed in water.
- Examples 1 and 2 are shown as installation examples of the heat exchanger (50) (underwater heat exchanger).
- Example 1 is an example in which a heat exchanger (50) is installed in a water tank or pool.
- Example 2 is an example in which a heat exchanger (50) is installed in the sea, a lake, or a pond.
- “HP” indicates a main part (a part other than the heat exchanger) of the air conditioning system (1) (the same applies hereinafter).
- FIG. 6 is a diagram schematically showing a state in which the heat exchanger (50) is installed at an inclination.
- FIG. 6A shows an example in which the heat exchanger (50) is inclined and installed in the ground
- FIG. 6B shows an example in which the heat exchanger (50) is inclined and installed in the water.
- 6B shows an example in which the heat exchanger (50) is inclined and installed in the sea, a lake, or a pond, but it can be also inclined and arranged in a water tank or a pool. .
- a wick (90) may be provided on the inner wall of the outer tube (51) as shown in FIGS. 7 (A) and 7 (B).
- the wick (90) permeates and holds the liquid heat medium in the outer pipe (51), and brings the held liquid refrigerant into contact with the inner wall of the outer pipe (51).
- Examples of such wicks (90) include metal porous bodies, porous ceramics, fiber aggregates, and the like.
- a plurality of grooves (100) may be provided on the inner wall of the outer tube (51) as shown in the cross-sectional view of FIG. Specifically, the groove (100) determines the width, depth, number, and the like so as to hold the liquid heat medium in the outer tube (51).
- the direction of the groove (100) is not limited to a direction parallel to the axial direction of the outer tube (51).
- the circumferential direction may be sufficient and a spiral shape may be sufficient.
- the present invention is useful as a heat exchanger installed in the ground or in water and an air conditioning system using the heat exchanger.
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Abstract
Description
縦向き又は傾斜して地中又は水中に設置される外管(51)と、前記外管(51)内に挿入され冷媒が内部に導入されるとともに該冷媒を蒸発させる暖房用伝熱管(80)と、前記外管(51)内に封入された熱媒体とを備え、前記熱媒体の相変化を利用して熱交換する熱交換器であって、
前記外管(51)と前記暖房用伝熱管(80)とは、該外管(51)の内面壁と該冷房用伝熱管(52)の外面壁とで、液状の前記熱媒体を案内するように配置されていることを特徴とする。
第1の発明の熱交換器において、
前記暖房用伝熱管(80)は、コイル状に形成されていることを特徴とする。
第1の発明の熱交換器において、
前記外管(51)内には、該外管(51)の内面壁に沿ってウイック(90)が設けられていることを特徴とする。
第1の発明の熱交換器において、
前記外管(51)の内面壁には、該熱媒体の表面張力を利用、又は内表面での接触角を低減させて前記熱媒体を保持するグルーブ(100)が形成されていることを特徴とする。
第1の発明の熱交換器を備えて冷凍サイクルを行うことを特徴とする空調システムである。
実施形態1では、本発明の熱交換器の一例として、地中に設置される熱交換器(地中熱交換器)の例を説明する。
図1は、本発明の実施形態に係る熱交換器(50)(地中熱交換器)を含んだ空調システム(1)のシステム図である。本実施形態の空調システム(1)は、図1に示すように、冷媒回路(10)を備えている。この冷媒回路(10)には、圧縮機(20)、室内熱交換器(30)、膨張弁(40)、及び地中熱交換器(50)が接続されている。そして、この冷媒回路(10)には、冷媒(作動流体)が充填されている。
次に、空調システム(1)における暖房運転中の動作について説明する。
なお、上記の熱交換器(50)は、地中に設置するほかに、水中に設置することも可能である。具体的な設置場所としては、例えば、海、湖、池、プール、貯水槽、河川、下水道などが上げられる。図5は、熱交換器(50)を水中に設置した状態を模式的に示す図である。この図では、熱交換器(50)(水中熱交換器)の設置例として2つの例(例1~2)を記載している。例1は、貯水槽又はプールに熱交換器(50)を設置した例である。また、例2は、海、湖、又は池に熱交換器(50)を設置した例である。なお、同図において、「HP」と記載されているのは、空調システム(1)の本体部分(熱交換器以外の部分)を示している(以下同様)。
〈1〉なお、各実施形態の熱交換器(50)、すなわち外管(51)は、傾斜して地中や水中に設置してもよい。図6は、熱交換器(50)を傾斜して設置した状態を模式的に示す図である。図6(A)は、熱交換器(50)を傾斜して地中に設置した例を示し、図6(B)は、熱交換器(50)を傾斜して水中に設置した例を示している。図6(B)では、 海、湖、又は池に熱交換器(50)を傾斜して設置した例を示しているが、同様に、貯水槽やプールなどにも傾斜して配置可能である。
50 熱交換器
51 外管
52 熱媒体案内部
80 暖房用伝熱管
90 ウイック
100 グルーブ
Claims (5)
- 縦向き又は傾斜して地中又は水中に設置される外管(51)と、前記外管(51)内に挿入され冷媒が内部に導入されるとともに該冷媒を蒸発させる暖房用伝熱管(80)と、前記外管(51)内に封入された熱媒体とを備え、前記熱媒体の相変化を利用して熱交換する熱交換器であって、
前記外管(51)と前記暖房用伝熱管(80)とは、該外管(51)の内面壁と該冷房用伝熱管(52)の外面壁とで、液状の前記熱媒体を案内するように配置されていることを特徴とする熱交換器。 - 請求項1の熱交換器において、
前記暖房用伝熱管(80)は、コイル状に形成されていることを特徴とする熱交換器。 - 請求項1の熱交換器において、
前記外管(51)内には、該外管(51)の内面壁に沿ってウイック(90)が設けられていることを特徴とする熱交換器。 - 請求項1の熱交換器において、
前記外管(51)の内面壁には、該熱媒体の表面張力を利用、又は内表面での接触角を低減させて前記熱媒体を保持するグルーブ(100)が形成されていることを特徴とする熱交換器。 - 請求項1の熱交換器を備えて冷凍サイクルを行うことを特徴とする空調システム。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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AU2009241159A AU2009241159A1 (en) | 2008-04-30 | 2009-04-30 | Heat exchanger and air conditioning system |
US12/990,270 US20110048049A1 (en) | 2008-04-30 | 2009-04-30 | Heat exchanger and air conditioning system |
EP09738646A EP2302311A1 (en) | 2008-04-30 | 2009-04-30 | Heat exchanger and air conditioning system |
JP2010510046A JPWO2009133709A1 (ja) | 2008-04-30 | 2009-04-30 | 熱交換器及び空調システム |
CN2009801149627A CN102016453B (zh) | 2008-04-30 | 2009-04-30 | 热交换器及空调*** |
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JP2008118211 | 2008-04-30 | ||
JP2008-118211 | 2008-04-30 |
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WO2009133709A1 true WO2009133709A1 (ja) | 2009-11-05 |
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PCT/JP2009/001969 WO2009133709A1 (ja) | 2008-04-30 | 2009-04-30 | 熱交換器及び空調システム |
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US (1) | US20110048049A1 (ja) |
EP (1) | EP2302311A1 (ja) |
JP (1) | JPWO2009133709A1 (ja) |
KR (1) | KR20110008278A (ja) |
CN (1) | CN102016453B (ja) |
AU (1) | AU2009241159A1 (ja) |
WO (1) | WO2009133709A1 (ja) |
Cited By (1)
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JP2013524142A (ja) * | 2010-04-01 | 2013-06-17 | エスピーエス エナジー ゲーエムベーハー | 環境から熱を回収するための装置及び方法 |
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NO332707B1 (no) * | 2011-06-09 | 2012-12-17 | Nest As | Termisk energilager og -anlegg, fremgangsmate og bruk derav |
JP5807902B2 (ja) * | 2011-06-22 | 2015-11-10 | ケミカルグラウト株式会社 | 熱交換システム |
DE202012006244U1 (de) * | 2012-06-27 | 2013-10-07 | Albert Vögerl | Wärmemangementsystem |
KR101368362B1 (ko) * | 2013-11-07 | 2014-03-03 | 주식회사 케이디파워 | 지열을 이용한 냉난방 시스템 |
US10859295B2 (en) * | 2016-04-13 | 2020-12-08 | ZeoThermal Technologies, LLC | Cooling and heating platform |
CN107062665A (zh) * | 2017-04-18 | 2017-08-18 | 长沙紫宸科技开发有限公司 | 一种蓄集地热能的二氧化碳蓄能装置 |
CN107421365B (zh) * | 2017-07-31 | 2018-11-23 | 大连碧蓝节能环保科技有限公司 | 调节换热面积比率式热管 |
DE102019118223A1 (de) * | 2019-07-05 | 2021-01-07 | Envola GmbH | Vorrichtung zur Energieübertragung und zur Energiespeicherung in einem Flüssigkeitsreservoir |
US11778958B2 (en) * | 2020-09-16 | 2023-10-10 | Ceres Greenhouse Solutions Llc | Multi-source heat exchange system employing a ground-energy storage system for controlled environment enclosures |
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- 2009-04-30 KR KR1020107026373A patent/KR20110008278A/ko not_active Application Discontinuation
- 2009-04-30 JP JP2010510046A patent/JPWO2009133709A1/ja active Pending
- 2009-04-30 US US12/990,270 patent/US20110048049A1/en not_active Abandoned
- 2009-04-30 EP EP09738646A patent/EP2302311A1/en not_active Withdrawn
- 2009-04-30 AU AU2009241159A patent/AU2009241159A1/en not_active Abandoned
- 2009-04-30 CN CN2009801149627A patent/CN102016453B/zh not_active Expired - Fee Related
- 2009-04-30 WO PCT/JP2009/001969 patent/WO2009133709A1/ja active Application Filing
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JP2013524142A (ja) * | 2010-04-01 | 2013-06-17 | エスピーエス エナジー ゲーエムベーハー | 環境から熱を回収するための装置及び方法 |
Also Published As
Publication number | Publication date |
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JPWO2009133709A1 (ja) | 2011-08-25 |
EP2302311A1 (en) | 2011-03-30 |
AU2009241159A1 (en) | 2009-11-05 |
CN102016453A (zh) | 2011-04-13 |
KR20110008278A (ko) | 2011-01-26 |
US20110048049A1 (en) | 2011-03-03 |
CN102016453B (zh) | 2012-07-04 |
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