JP2000283597A - Manufacture of heating-cooling combination facility of bulding - Google Patents
Manufacture of heating-cooling combination facility of buldingInfo
- Publication number
- JP2000283597A JP2000283597A JP11090478A JP9047899A JP2000283597A JP 2000283597 A JP2000283597 A JP 2000283597A JP 11090478 A JP11090478 A JP 11090478A JP 9047899 A JP9047899 A JP 9047899A JP 2000283597 A JP2000283597 A JP 2000283597A
- Authority
- JP
- Japan
- Prior art keywords
- heat exchange
- heat
- hole
- circulating
- evaporator
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Other Air-Conditioning Systems (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】 この発明は平坦地に建てる
建物の冷暖房設備の製造法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a cooling and heating system for a building built on flat ground.
【０００２】[0002]
【発明が解決しようとする課題】 山村地域において
は、産業・生活・文化等の活性化が推進されている一方
で、人間活動による環境への負荷や労働力不足による不
十分な環境管理が山村の環境保全機能を低下させる要因
となっている。従って、山村地域の活性化を図ると同時
に、森林等の周辺環境を保ちつつ、資源・エネルギーの
循環的活かつ効率的な利用を進めるなどの対策も必要で
ある。[Problems to be Solved by the Invention] In the mountain village area, while the revitalization of industry, life, culture, etc. is being promoted, insufficient environmental management due to the burden on the environment due to human activities and labor shortage has been observed. Is a factor that reduces the environmental protection function of Therefore, it is necessary to revitalize the mountain village area, and at the same time, to take measures such as promoting the cyclical and efficient use of resources and energy while maintaining the surrounding environment such as forests.
【０００３】山村地域においては、比較的広い土地と多
くのため池，貯水池が存在している。こうした自然エネ
ルギーを有効に活用することは、地球環境保全といった
大局的な見地からも重要なテーマである。最近では、地
球温暖化のみならず、酸性雨による森林の減少なども深
刻化している。In the mountain village area, there are relatively large lands and many irrigation ponds and reservoirs. Effective use of such natural energy is an important theme from a global perspective, such as global environmental protection. In recent years, not only global warming but also deforestation due to acid rain has become serious.
【０００４】そこで、主に地中熱自然エネルギーを活用
することにより、周辺環境との共生・保全を図ることが
考えられている。[0004] Therefore, it has been considered that coexistence and conservation with the surrounding environment are aimed at mainly by utilizing geothermal natural energy.
【０００５】山村地域で利用可能な自然エネルギーにつ
いて以下述べる。 ［１］地下水利用 ［１．１］地下水の存在は不確定であり、特に山村区域
では地域的に限定されやすい。 ［１．２］地下水は取水の簡易さ利便性から採取量が地
域によって自然の涵養量を上回り、水収支のバランスを
崩し、地下水枯渇、地盤沈下等の地下水障害が発生す
る。 ［１．３］地下水の温度は、年間を通じて変化が少なく
熱源として安定している。[0005] The renewable energy available in the mountain village area will be described below. [1] Use of groundwater [1.1] The existence of groundwater is uncertain, and it is likely to be limited locally, especially in mountain village areas. [1.2] Due to the simplicity and convenience of water intake, the amount of groundwater collected exceeds the amount of natural recharge depending on the area, and the balance of water balance is disrupted, and groundwater depletion and ground subsidence such as ground subsidence occur. [1.3] The temperature of groundwater has little change throughout the year and is stable as a heat source.
【０００６】［２］地中熱 ［２．１］地下１００〜１５０ｍ位の岩盤へ循環液を送
り込みエネルギーの供給を受ける。深部では地温１５〜
２０℃位で一定しており年間を通じてのエネルギー源と
して安定している。 ［２．２］場所についての特定を必要とせず汎用性があ
る。[2] Geothermal heat [2.1] A circulating fluid is sent to a bedrock of about 100 to 150 m underground to receive energy supply. Ground temperature 15 ~
It is constant at around 20 ° C and is stable as an energy source throughout the year. [2.2] There is no need to specify the location, and there is versatility.
【０００７】［３］ダム ［３．１］ダム・貯水池の深層部（５〜１０ｍ以深）
は、年間を通して比較的安定している。低温エネルギー
源であるが、量的には程々である。 ［３．２］地域的には限定されるが、設置費はローコス
トである。[3] Dam [3.1] Dam and deep part of reservoir (5 to 10 m or less)
Is relatively stable throughout the year. It is a low-temperature energy source, but in modest quantity. [3.2] Although installation is limited locally, the installation cost is low.
【０００８】［４］太陽光 ［４．１］無尽蔵の自然エネルギーとして注目度は高
く、今後の利用増大が予想される。 ［４．２］太陽光発電の場合は四季の太陽高度の変化や
日中の角度の変化により効率が低下する。 ［４．３］太陽光温水器については、気候や日照条件の
影響を受けやすく、特に冬期に補助熱源を必要とする。
太陽光や空気熱は、熱容量そのものは膨大であるが、熱
供給の変動が大きく、特に冬期は熱効率が低下する。[4] Sunlight [4.1] Attention is high as inexhaustible natural energy, and its use is expected to increase in the future. [4.2] In the case of photovoltaic power generation, efficiency decreases due to changes in the solar altitude in the four seasons and changes in the daytime angle. [4.3] Solar water heaters are susceptible to climate and sunshine conditions and require an auxiliary heat source, especially in winter.
The heat capacity of sunlight and air heat is enormous, but the heat supply fluctuates greatly, and the thermal efficiency decreases particularly in winter.
【０００９】ダムや貯水池の無い平坦地では、それらの
水を熱源に利用することが出来ない。この発明は平坦地
における有効な冷暖房手段を提供しようとするものであ
る。On flat land without dams or reservoirs, such water cannot be used as a heat source. The present invention seeks to provide effective cooling and heating means on flat ground.
【００１０】[0010]
【課題を解決するための手段】 図面を参考にして説明
する。第１の発明に係る建物の冷暖房設備の製造方法
は、平坦地の建物１０近傍に人工池用の穴１５堀りをす
る工程、穴１５の周縁外側に沿って鉛直柱状熱交換筒２
０を多数本埋込む工程、建物１０内に熱交換室内機４０
を設置する工程、蒸発器５１・圧縮器５２・凝縮器５３
・膨張弁５４よりなる閉回路を循環する冷媒Ｒを有する
ヒートポンプ５０を設置する工程、鉛直柱状熱交換筒２
０と蒸発器５１内を循環する一次不凍液循環路Ｔを設け
る工程、凝縮器５３と熱交換室内機４０内を循環する二
次不凍液循環器Ｕを設ける工程、掘った穴１５に水Wを
張り人工池１６とする工程からなるものである。A description will be given with reference to the drawings. The method for manufacturing a cooling / heating facility for a building according to the first invention includes a step of digging a hole 15 for an artificial pond near a building 10 on a flat ground, and a vertical column-shaped heat exchange cylinder 2 along the outer periphery of the hole 15.
Process of embedding a large number of zeros, heat exchange indoor unit 40 in building 10
, Evaporator 51, compressor 52, condenser 53
A step of installing a heat pump 50 having a refrigerant R circulating through a closed circuit composed of an expansion valve 54;
0, a step of providing a primary antifreeze circulation circuit T circulating in the evaporator 51, a step of providing a secondary antifreeze circulator U circulating in the condenser 53 and the heat exchange indoor unit 40, and filling water D in the dug hole 15. It comprises a step of forming an artificial pond 16.
【００１１】第２の発明に係る建物の冷暖房設備の製造
方法は、平坦地の建物１０近傍に人工池用の穴１５堀り
をする工程、穴１５の周縁外側に沿って鉛直柱状熱交換
筒２０を多数本埋込む工程、穴１５底にループ状熱交換
器３０を設置する工程、建物１０内に熱交換室内機４０
を設置する工程、蒸発器５１・圧縮器５２・凝縮器５３
・膨張弁５４よりなる閉回路を循環する冷媒Ｒを有する
ヒートポンプ５０を設置する工程、鉛直柱状熱交換筒２
０とループ状熱交換器３０よりなる熱源と蒸発器５１内
を循環する一次不凍液循環路Ｔを設ける工程、凝縮器５
３と熱交換室内機４０を循環する二次不凍液循環路Uを
設ける工程、掘った穴１５に水Wを張り人工池１６とす
る工程、からなるものである。A method of manufacturing a building air-conditioning system according to a second aspect of the present invention includes a step of digging a hole 15 for an artificial pond near the building 10 on a flat ground, and a vertical column-shaped heat exchange tube along the outer periphery of the hole 15. A step of embedding a large number of the heat exchangers 20, a step of installing a loop heat exchanger 30 at the bottom of the hole 15,
, Evaporator 51, compressor 52, condenser 53
A step of installing a heat pump 50 having a refrigerant R circulating through a closed circuit composed of an expansion valve 54;
A step of providing a primary antifreeze circulation path T circulating in the evaporator 51 and a heat source comprising the heat exchanger 30 and the loop heat exchanger 30;
3 and a step of providing a secondary antifreeze circulation path U for circulating the heat exchange indoor unit 40, and a step of filling the dug hole 15 with water W to form an artificial pond 16.
【００１２】[0012]
【発明の実施の形態】 平坦地の建物１０近傍に人工池
用の穴１５堀る。穴１５の周縁外側に沿って鉛直柱状熱
交換筒２０を多数本埋込む。鉛直柱状熱交換筒２０は、
ポリエチレンパイプの二重管あるいはＵ字管で構成され
ている。BEST MODE FOR CARRYING OUT THE INVENTION A hole 15 for an artificial pond is dug near a building 10 on a flat ground. A large number of vertical column-shaped heat exchange tubes 20 are embedded along the outer periphery of the hole 15. The vertical column heat exchange tube 20
It is composed of a double or U-shaped polyethylene pipe.
【００１３】穴１５底にループ状熱交換器３０を設置す
る。ルーフ状熱交換器３０は、コイル状に合成樹脂製パ
イプを巻いたもので、複数組設置される。A loop heat exchanger 30 is installed at the bottom of the hole 15. The roof-like heat exchanger 30 is formed by winding a synthetic resin pipe in a coil shape, and is provided in a plurality of sets.
【００１４】建物１０内に熱交換室内機４０を設置す
る。熱交換室内機４０は通常のエアコンの室内機の構造
と同一である。蒸発器５１・圧縮器５２・凝縮器５３・
膨張弁５４よりなる閉回路を循環する冷媒Ｒを有するヒ
ートポンプ５０を設置する。A heat exchange indoor unit 40 is installed in the building 10. The heat exchange indoor unit 40 has the same structure as the indoor unit of a normal air conditioner. Evaporator 51, compressor 52, condenser 53,
The heat pump 50 having the refrigerant R circulating in the closed circuit including the expansion valve 54 is installed.
【００１５】鉛直柱状熱交換筒２０とループ状熱交換器
３０よりなる熱源と蒸発器５１内を循環する一次不凍液
循環路Ｔを設ける。一次不凍液循環路Ｔには、一次側ポ
ンプ３５が設けられている。A primary antifreeze circulation path T which circulates in the evaporator 51 and a heat source composed of the vertical column heat exchange cylinder 20 and the loop heat exchanger 30 is provided. The primary antifreeze circuit T is provided with a primary pump 35.
【００１６】凝縮器５３と熱交換室内機４０内を循環す
る二次不凍液循環器Ｕを設ける。二次不凍液循環器Ｕに
は、二次側ポンプ４５が設けられている。掘った穴１５
に水Wを張り人工池１６とする。A secondary antifreeze circulator U circulating in the condenser 53 and the heat exchange indoor unit 40 is provided. The secondary antifreeze circulator U is provided with a secondary pump 45. Hole 15 dug
Water W is applied to the artificial pond 16.
【００１７】人工池の水Wの熱エネルギーは人工池周囲
の土を介して熱交換筒２０に伝わる。また熱交換器３０
を設けたものは水Wの熱エネルギーが熱交換器３０に直
接伝わる。一次側ポンプ３５を回すと、一次不凍液循環
路Ｔを介して、蒸発器５１に入る。The thermal energy of the water W in the artificial pond is transmitted to the heat exchange tube 20 through the soil around the artificial pond. In addition, heat exchanger 30
Is provided, the heat energy of the water W is directly transmitted to the heat exchanger 30. When the primary pump 35 is turned, it enters the evaporator 51 via the primary antifreeze liquid circulation path T.
【００１８】暖房について説明する。ヒートポンプ５０
内では、冷媒Ｒが圧縮器５２で圧縮され、高温液体とな
り凝縮器５３に入る。凝縮器５３内の液体の冷媒Ｒは二
次不凍液循環路Ｕに熱を放出し温度降下する。温度降下
した液体冷媒は膨張弁５４で膨張し急激に大きく温度降
下し、液体状態で蒸発器５１の下部に送られる。蒸発器
５１下部の液体冷媒は一次不凍液循環路Ｔから熱を受取
り、蒸発気化して圧縮器５２に送られる。The heating will be described. Heat pump 50
Inside, the refrigerant R is compressed by the compressor 52, becomes a high-temperature liquid, and enters the condenser 53. The liquid refrigerant R in the condenser 53 emits heat to the secondary antifreeze liquid circulation path U to lower the temperature. The liquid refrigerant whose temperature has dropped is expanded by the expansion valve 54 and sharply drops in temperature, and is sent to the lower part of the evaporator 51 in a liquid state. The liquid refrigerant at the lower part of the evaporator 51 receives heat from the primary antifreeze liquid circulation path T, evaporates and evaporates and is sent to the compressor 52.
【００１９】冷房は、ヒートポンプ５０を逆転し、二次
不凍液循環路Ｕから奪った熱を有する気体を圧縮器で圧
縮昇温液化し、一次不凍液循環路Ｔに放熱し、次いで膨
張弁で膨張させて気化温度降下させ、その低温気体が二
次不凍液循環路Ｕから熱を奪う。In cooling, the heat pump 50 is reversed, and the gas having the heat taken from the secondary antifreeze liquid circulation path U is compressed and heated and liquefied by the compressor, and the heat is radiated to the primary antifreeze liquid circulation path T and then expanded by the expansion valve. The low-temperature gas removes heat from the secondary antifreeze liquid circulation path U.
【００２０】[0020]
【実施例】 建坪２００ｍ２の家の場合、面積２００ｍ
２の土地に水深５ｍの人工池を作り、１本１００ｍのコ
イル型ループ状熱交換器３０を３個設置する。鉛直状熱
交換筒は深さ１００ｍで、外径１０ｃｍ、池に沿って約
５ｍ間隔で配置する。池の底部の水深は８℃，蒸発器５
１に入る一次不凍液循環路Ｔの液温は５℃，出る液温は
２℃，凝縮器５３に入る二次不凍液循環路Ｕの液温は４
３℃，出る液温は５０℃である。[Example] In the case of the floor area of 200m 2 house, area 200m
Creating an artificial pond depth 5m 2 land, installing a single-coil loop heat exchanger 30 of 100 m 3 pieces. The vertical heat exchange cylinders are 100 m in depth, 10 cm in outer diameter, and are arranged at intervals of about 5 m along the pond. The water depth at the bottom of the pond is 8 ° C and the evaporator 5
The liquid temperature of the primary antifreeze circuit T entering 1 is 5 ° C., the liquid temperature exiting is 2 ° C., and the liquid temperature of the secondary antifreeze circuit U entering the condenser 53 is 4 ° C.
The temperature of the liquid is 3 ° C. and the liquid temperature is 50 ° C.
【００２１】[0021]
【発明の効果】 この発明によれば山村地域の暖房を、
クリーンなエネルギーを利用して行うことが出来る。ま
た、暖房，冷房，給湯が単一のシステムにまとめられ、
ランニングコストが非常に安価である。さらに化石燃料
を消費しないため、火災や石油の流失面、安全性でも優
れている。According to the present invention, heating in a mountain village area is
It can be performed using clean energy. In addition, heating, cooling, and hot water are combined into a single system,
The running cost is very low. Furthermore, because it does not consume fossil fuels, it is also excellent in terms of fire, oil spills and safety.
【００２２】人工池なので、土地さえあれば、容易に設
置出来、また熱交換筒２０により、人工池の崩壊が防げ
る。また人工池は、粘度により透水を防ぐもので、自然
を破壊しない。Since it is an artificial pond, it can be easily installed if there is land, and the heat exchange tube 20 can prevent the collapse of the artificial pond. Artificial ponds prevent water permeation by viscosity and do not destroy nature.
【図１】本発明により製造する設備全体の概略正面図で
ある。FIG. 1 is a schematic front view of the entire equipment manufactured according to the present invention.
【図２】図１の設備の概略平面図である。FIG. 2 is a schematic plan view of the equipment of FIG.
【図３】一部の拡大原理的詳細図である。FIG. 3 is a partially enlarged principle detail view.
１０ 建物 １５ 穴 １６ 人工池 ２０ 熱交換筒 ３０ 熱交換器 ３５ 一次側ポンプ ４０ 熱交換室内機 ４５ 二次側ポンプ ５０ ヒートポンプ ５１ 蒸発器 ５２ 圧縮器 ５３ 凝縮器 ５４ 膨張弁 Ｒ 冷媒 Ｔ 一次不凍液循環路 Ｕ 二次不凍液循環路 Ｗ 水 10 Building 15 Hole 16 Artificial Pond 20 Heat Exchange Tube 30 Heat Exchanger 35 Primary Pump 40 Heat Exchange Indoor Unit 45 Secondary Pump 50 Heat Pump 51 Evaporator 52 Compressor 53 Condenser 54 Expansion Valve R Refrigerant T Primary Antifreeze Circulation U Secondary antifreeze circuit W Water
Claims (2)
穴堀りをする工程、 穴の周縁外側に沿って鉛直柱状熱交換筒（２０）を多数
本埋込む工程、 建物内に熱交換室内機（４０）を設置する工程、 蒸発器（５１）・圧縮器（５２）・凝縮器（５３）・膨
張弁（５４）よりなる閉回路を循環する冷媒（Ｒ）を有
するヒートポンプ（５０）を設置する工程、 鉛直柱状熱交換筒と蒸発器内を循環する一次不凍液循環
路（Ｔ）を設ける工程、 凝縮器と熱交換室内機内を循環する二次不凍液循環路
（Ｕ）を設ける工程、 掘った穴に水（Ｗ）を張り人工池（１６）とする工程、
からなる建物の冷暖房設備の製造方法。1. A step of drilling a hole for an artificial pond near a building (10) on a flat ground, a step of embedding a large number of vertical column heat exchange tubes (20) along the outer periphery of the hole, A step of installing the heat exchange indoor unit (40), a heat pump (R) having a refrigerant (R) circulating through a closed circuit including an evaporator (51), a compressor (52), a condenser (53), and an expansion valve (54); 50), a step of providing a primary antifreeze liquid circulation path (T) circulating in the vertical column heat exchange cylinder and the evaporator, and a step of providing a secondary antifreeze liquid circulation (U) circulating in the condenser and the heat exchange indoor unit. Process, a process of filling water (W) into the dug hole to form an artificial pond (16),
Manufacturing method of air conditioning equipment for buildings.
穴（１５）堀りをする工程、 穴の周縁外側に沿って鉛直柱状熱交換筒（２０）を多数
本埋込む工程、 穴底にループ状熱交換器（３０）を設置する工程、 建物（１０）内に熱交換室内機（４０）を設置する工
程、 蒸発器（５１）・圧縮器（５２）・凝縮器（５３）・膨
張弁（５４）よりなる閉回路を循環する冷媒（Ｒ）を有
するヒートポンプ（５０）を設置する工程、 鉛直柱状熱交換筒とループ状熱交換器よりなる熱源と蒸
発器内を循環する一次不凍液循環路（Ｔ）を設ける工
程、 凝縮器と熱交換室内機を循環する二次不凍液循環路
（U）を設ける工程、 掘った穴に水（W）を張り人工池（１６）とする工程、
からなる建物の冷暖房設備の製造方法。2. A step of digging a hole (15) for an artificial pond near a building (10) on a flat ground, a step of embedding a large number of vertical column-shaped heat exchange tubes (20) along the outer periphery of the hole, A step of installing a loop heat exchanger (30) at the bottom of the hole, a step of installing a heat exchange indoor unit (40) in the building (10), an evaporator (51), a compressor (52), and a condenser (53) A) installing a heat pump (50) having a refrigerant (R) circulating through a closed circuit comprising an expansion valve (54); circulating through a heat source comprising a vertical column heat exchange cylinder and a loop heat exchanger and an evaporator; Provision of a primary antifreeze circulation path (T), provision of a secondary antifreeze circulation path (U) for circulating a condenser and a heat exchange indoor unit, filling of the dug hole with water (W) to form an artificial pond (16) Process,
Manufacturing method of air conditioning equipment for buildings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP09047899A JP3438093B2 (en) | 1999-03-31 | 1999-03-31 | Manufacturing method of building air-conditioning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP09047899A JP3438093B2 (en) | 1999-03-31 | 1999-03-31 | Manufacturing method of building air-conditioning equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000283597A true JP2000283597A (en) | 2000-10-13 |
| JP3438093B2 JP3438093B2 (en) | 2003-08-18 |
Family
ID=13999689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP09047899A Expired - Fee Related JP3438093B2 (en) | 1999-03-31 | 1999-03-31 | Manufacturing method of building air-conditioning equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3438093B2 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004085187A (en) * | 2002-06-28 | 2004-03-18 | Misawa Kankyo Gijutsu Kk | Installation method of zero energy system air conditioner |
| KR100927227B1 (en) * | 2008-11-28 | 2009-11-16 | 주식회사 지지케이 | Fluid circulator of closed type geothermal system |
| JP2011149664A (en) * | 2010-01-25 | 2011-08-04 | Misawa Kankyo Gijutsu Kk | Method of installing heat exchange unit for lake heat |
| JP2012184860A (en) * | 2011-03-03 | 2012-09-27 | Mitsubishi Plastics Inc | Heat transfer tube and heat exchanger |
| CN103791656A (en) * | 2014-03-05 | 2014-05-14 | 梅桂岐 | Water source heat pump with automatic cleaning device |
| CN104344620A (en) * | 2013-07-31 | 2015-02-11 | 曲滨 | Control device for well water distributor |
| GB2545207A (en) * | 2015-12-08 | 2017-06-14 | George Green Power Ltd | Groundheat exchanger system |
| DE102019108367A1 (en) * | 2019-04-01 | 2020-10-15 | Vaillant Gmbh | Heat pump installed outside |
-
1999
- 1999-03-31 JP JP09047899A patent/JP3438093B2/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004085187A (en) * | 2002-06-28 | 2004-03-18 | Misawa Kankyo Gijutsu Kk | Installation method of zero energy system air conditioner |
| KR100927227B1 (en) * | 2008-11-28 | 2009-11-16 | 주식회사 지지케이 | Fluid circulator of closed type geothermal system |
| JP2011149664A (en) * | 2010-01-25 | 2011-08-04 | Misawa Kankyo Gijutsu Kk | Method of installing heat exchange unit for lake heat |
| JP2012184860A (en) * | 2011-03-03 | 2012-09-27 | Mitsubishi Plastics Inc | Heat transfer tube and heat exchanger |
| CN104344620A (en) * | 2013-07-31 | 2015-02-11 | 曲滨 | Control device for well water distributor |
| CN103791656A (en) * | 2014-03-05 | 2014-05-14 | 梅桂岐 | Water source heat pump with automatic cleaning device |
| GB2545207A (en) * | 2015-12-08 | 2017-06-14 | George Green Power Ltd | Groundheat exchanger system |
| GB2547507A (en) * | 2015-12-08 | 2017-08-23 | George Green Power Ltd | Ground heat exchanger system |
| GB2547507B (en) * | 2015-12-08 | 2021-05-19 | George Green Power Ltd | Ground heat exchanger system |
| DE102019108367A1 (en) * | 2019-04-01 | 2020-10-15 | Vaillant Gmbh | Heat pump installed outside |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3438093B2 (en) | 2003-08-18 |
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