CN100561104C - 环保节能型地温交换器 - Google Patents

环保节能型地温交换器 Download PDF

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Publication number
CN100561104C
CN100561104C CNB2006100167876A CN200610016787A CN100561104C CN 100561104 C CN100561104 C CN 100561104C CN B2006100167876 A CNB2006100167876 A CN B2006100167876A CN 200610016787 A CN200610016787 A CN 200610016787A CN 100561104 C CN100561104 C CN 100561104C
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Prior art keywords
heat
cold
ground temperature
outer layer
temperature exchanger
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Expired - Fee Related
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CNB2006100167876A
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CN101059320A (zh
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陶忠谦
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CHANGCHUN CONSTRUCTION ENGINEERING GROUP Co Ltd
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CHANGCHUN CONSTRUCTION ENGINEERING GROUP Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T10/00—Geothermal collectors
    • F24T10/10—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
    • F24T10/13—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes
    • F24T10/17—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes using tubes closed at one end, i.e. return-type tubes
    • 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

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Insulation (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

一种环保节能型地温交换器，适用于地温热泵式采暖(供冷)系统。要解决目前该系统运行过程中提取地下水，使城市地面产生下沉的问题；该地温交换器运行过程中只提取地下的热量(冷量)，而不提取地下水；同时解决了提取过程中热量(冷量)损失。该地温交换器在地下，通过管壁和导热翅片与大地交换热量(冷量)，并将热量(冷量)传递给导热工质；导热工质通过真空管内腔将热量(冷量)传递上来，减少了传递过程中的热(冷)损失；系统封闭运行，循环泵只克服系统循环阻力，而不需要克服热(冷)工质的重力势能。

Description

环保节能型地温交换器
所属技术领域
本发明涉及一种地温热泵采暖(供冷)系统中地温交换器。
背景技术
目前，工程上常用的地温交换器有泵水型、地下水平埋设蛇形塑料管型、向河流、海洋等水源取热型、在直埋竖管内设置U型塑料管取热型等。以上型式的问题和缺点是：泵水型直接抽取地下水，极易造成城市自然地面下沉；地下水平埋设蛇形塑料管型开挖土方量大，受场地限制，难以达到预期深度，影响热交换效果；向河流、海洋等水源取热型受地域和资源限制，不便于推广；在直埋竖管内设置U型塑料管取热型，塑料管导热效果差，影响热交换效果；上、下行塑料管之间容易造成热传导，使被抽出的导热工质温度发生变化，影响地温热泵的效率。
发明内容
为了克服现有各种形式的地温交换器的不足，本发明提供一种环保节能型地温交换器，该地温交换器采用真空绝热技术及保温绝热支撑，隔绝上、下行导热工质之间的热传导；采用翅片集热技术，扩大外层钢管与地下水及土壤之间的换热面积，提高了换热效率；采用钢制支撑保证导热工质在外层钢管与真空绝热钢管之间顺利流动。
技术方案
本发明解决其技术问题所采用的技术方案是：不必抽取地下水，蕴藏在地下的热量(冷量)通过与插入地下的外层钢管上的导热翅片及管壁进行热(冷)交换，将热量(冷量)传递给外层钢管的管壁，外层钢管的管壁再将热量(冷量)传递给下行流动的导热工质，下行流动的导热工质通过热量(冷量)交换后温度升高(降低)至接近深层地下水及土壤的温度，然后通过真空绝热钢管的内腔被循环泵运送到自然地面上，冬季供地源热泵制热；夏季通过热交换器送入空调设备使市内空气降温。钢制支撑用来保证外层钢管与真空绝热钢管的间距，使下行流动的导热工质与外层钢管之间的热交换能够顺利进行；保温绝热支撑是保证用来运送导热工质的真空绝热钢管真空部分两壁之间的间距，从而保证真空绝热钢管的绝热性能。
有益效果
本发明的有益效果是：不直接抽取地下水，避免了造成城市自然地面沉降的可能性[环保]；带有导热翅片的外层钢管能够与蕴藏在地下的热量(冷量)进行充分交换，提高了热交换效率[节能]；运用真空绝热钢管内腔来运送导热工质，解决了导热工质在运送过程中的能量损失[节能]。
附图说明
下面结合附图和实施例对本发明进一步说明。
图中：1、外层钢管，2、真空绝热钢管，3、导热工质，4、导热翅片，5、真空部分，6、保温绝热支撑，7、钢制支撑，8、真空表，9、真空抽气阀门，10、地源热泵，11、循环泵。
具体实施方式
在图中，蕴藏在地下的热量(冷量)通过与插入地下的外层钢管(1)上的导热翅片(4)及管壁进行热(冷)交换，将热量(冷量)传递给外层钢管(1)的管壁，外层钢管(1)的管壁再将热量(冷量)传递给下行流动的导热工质(3)，下行流动的导热工质(3)通过热量(冷量)交换后温度升高(降低)至接近深层地下水及土壤的温度，然后通过真空绝热钢管(2)的内腔被循环泵(11)运送到自然地面上，冬季供地源热泵(10)制热；夏季通过热交换器送入空调设备使市内空气降温。钢制支撑(7)用来保证外层钢管(1)与真空绝热钢管(2)的间距，使下行流动的导热工质(3)与外层钢管(1)之间的热交换能够顺利进行；保温绝热支撑(6)是保证用来运送导热工质(3)的真空绝热钢管(2)真空部分(5)两壁之间的间距，从而保证真空绝热钢管(2)的绝热性能。

Claims (1)

1、一种环保节能型地温交换器，包括：外层钢管、真空绝热钢管、真空表、真空抽气阀门和导热工质，其中，所述真空绝热钢管位于所述外层钢管内，其特征在于，所述外层钢管外部带有导热翅片，并且，该环保节能型地温交换器还包括：保温绝热支撑和钢制支撑；
其中，所述钢制支撑，设置在所述外层钢管内的所述真空绝热钢管上，其作用是使所述外层钢管与所述真空绝热钢管保持等距；
所述保温绝热支撑，设置在所述真空绝热钢管内，其作用是使所述真空绝热钢管的内外壁绝热、等距。
CNB2006100167876A 2006-04-21 2006-04-21 环保节能型地温交换器 Expired - Fee Related CN100561104C (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3954946A1 (en) * 2020-08-03 2022-02-16 Commercial Energy Saving Plus, LLC Geothermal adapter for use with a heat pump

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI507648B (zh) * 2012-12-13 2015-11-11 Ind Tech Res Inst 地溫熱交換系統及其地溫熱能發電與地溫熱泵系統
CN104949554A (zh) * 2015-07-06 2015-09-30 徐德龙 强化换热的地下深层岩层换热系统

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3954946A1 (en) * 2020-08-03 2022-02-16 Commercial Energy Saving Plus, LLC Geothermal adapter for use with a heat pump

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