DE20202578U1 - Erdsondenrohr - Google Patents

Erdsondenrohr

Info

Publication number
DE20202578U1
DE20202578U1 DE20202578U DE20202578U DE20202578U1 DE 20202578 U1 DE20202578 U1 DE 20202578U1 DE 20202578 U DE20202578 U DE 20202578U DE 20202578 U DE20202578 U DE 20202578U DE 20202578 U1 DE20202578 U1 DE 20202578U1
Authority
DE
Germany
Prior art keywords
tube
geothermal
tube according
geothermal tube
section
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.)
Expired - Lifetime
Application number
DE20202578U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rehau Automotive SE and Co KG
Original Assignee
Rehau AG and Co
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 Rehau AG and Co filed Critical Rehau AG and Co
Priority to DE20202578U priority Critical patent/DE20202578U1/en
Priority to PCT/EP2003/001592 priority patent/WO2003078905A1/en
Priority to AU2003214062A priority patent/AU2003214062A1/en
Publication of DE20202578U1 publication Critical patent/DE20202578U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/06Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
    • F28F21/062Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material the heat-exchange apparatus employing tubular conduits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24TGEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T10/00Geothermal collectors
    • F24T10/10Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
    • F24T10/13Geothermal 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
    • F24T10/15Geothermal 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 bent tubes; using tubes assembled with connectors or with return headers
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/10Geothermal energy

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Laminated Bodies (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (19)

1. Erdsondenrohr zur Wärmeübertragung im Boden, bestehend aus Rohren für den Trans­ port eines Wärmeträgermediums, mit wenigstens einem Rohrabschnitt für den Vorlauf und einem zu diesem annähernd parallel verlaufenden Rohrabschnitt für den Rücklauf, wobei die Rohrabschnitte mit ineinander in Verbindung stehen, dadurch gekennzeichnet, das der Rohrabschnitt (21) und der Rohrabschnitt (22) einstückig miteinander verbunden sind.1. Geothermal tube for heat transfer in the ground, consisting of pipes for the trans port of a heat transfer medium, with at least one pipe section for the flow and an approximately parallel pipe section for the return, the pipe sections being interconnected, characterized in that the pipe section ( 21 ) and the pipe section ( 22 ) are integrally connected to one another. 2. Erdsondenrohr nach Anspruch 1, dadurch gekennzeichnet, dass der Rohrabschnitt (21) und der Rohrabschnitt (22) über einen aus dem Rohr geformten, annähernd U-förmigen Rohrabschnitt (23) einstückig miteinander verbunden sind.2. Earth probe tube according to claim 1, characterized in that the tube section ( 21 ) and the tube section ( 22 ) are integrally connected to one another via an approximately U-shaped tube section ( 23 ) formed from the tube. 3. Erdsondenrohr nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Radius des U-förmigen Rohrabschnittes (23) höchstens dem zweifachen Außen­ durchmesser des Rohrs (2, 3) entspricht.3. geothermal tube according to one of the preceding claims, characterized in that the radius of the U-shaped tube section ( 23 ) corresponds at most to twice the outer diameter of the tube ( 2 , 3 ). 4. Erdsondenrohr nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Rohrabschnitte (21, 22, 23) aus einem wenigstens teilweise vernetztem polyme­ ren Werkstoff bestehen.4. geothermal tube according to one of the preceding claims, characterized in that the tube sections ( 21 , 22 , 23 ) consist of an at least partially cross-linked polymeric material. 5. Erdsondenrohr nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der wenigstens teilweise vernetzte polymere Werkstoff ein Polyethylen ist.5. geothermal tube according to one of the preceding claims, characterized in that the at least partially cross-linked polymeric material is a polyethylene. 6. Erdsondenrohr nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Rohr (2, 3) eine metallische Schicht aufweist. 6. geothermal tube according to one of the preceding claims, characterized in that the tube ( 2 , 3 ) has a metallic layer. 7. Erdsondenrohr nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die metallische Schicht an der Innen- und/oder der Außenseite des Rohres (2, 3) aufgebracht ist.7. geothermal tube according to one of the preceding claims, characterized in that the metallic layer is applied to the inside and / or outside of the tube ( 2 , 3 ). 8. Erdsondenrohr nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die metallische Schicht in der Wand des Rohres (2, 3) eingebracht ist.8. geothermal tube according to one of the preceding claims, characterized in that the metallic layer in the wall of the tube ( 2 , 3 ) is introduced. 9. Erdsondenrohr nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Rohr (2, 3) Verstärkungselemente aufweist.9. geothermal tube according to one of the preceding claims, characterized in that the tube ( 2 , 3 ) has reinforcing elements. 10. Erdsondenrohr nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Verstärkungselemente an der Innen- und/oder der Außenseite des Rohres (2, 3) aufgebracht sind.10. geothermal tube according to one of the preceding claims, characterized in that the reinforcing elements are applied to the inside and / or outside of the tube ( 2 , 3 ). 11. Erdsondenrohr nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Verstärkungselemente (5) in die Wand des Rohres (2, 3) eingebracht sind.11. geothermal tube according to one of the preceding claims, characterized in that the reinforcing elements ( 5 ) in the wall of the tube ( 2 , 3 ) are introduced. 12. Erdsondenrohr nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Verstärkungselemente Fasern, Laminate und dergl. sind.12. geothermal tube according to one of the preceding claims, characterized in that the reinforcing elements are fibers, laminates and the like. 13. Erdsondenrohr nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Rohr (2, 3) an seiner Außenseite Stege (6) aufweist.13. Geothermal tube according to one of the preceding claims, characterized in that the tube ( 2 , 3 ) has webs ( 6 ) on its outside. 14. Erdsondenrohr nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Stege (6) in axiale Richtung des Rohres (2, 3) ausgebildet sind.14. Geothermal tube according to one of the preceding claims, characterized in that the webs ( 6 ) are formed in the axial direction of the tube ( 2 , 3 ). 15. Erdsondenrohr nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Stege (6) radial, ringförmig an der Außenseite des Rohres (2, 3) ausgebildet sind.15. geothermal tube according to one of the preceding claims, characterized in that the webs ( 6 ) are formed radially, annularly on the outside of the tube ( 2 , 3 ). 16. Erdsondenrohr nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Bereich, in dem die Rohrabschnitte (21, 22) miteinander verbunden sind, eine Umhüllung (7) aufweist. 16. Geothermal probe tube according to one of the preceding claims, characterized in that the region in which the tube sections ( 21 , 22 ) are connected to one another has a covering ( 7 ). 17. Erdsondenrohr nach Anspruch 16, dadurch gekennzeichnet, dass die Umhüllung (7) aus einer duroplastischen Vergussmasse besteht.17. A geothermal tube according to claim 16, characterized in that the casing ( 7 ) consists of a thermosetting potting compound. 18. Erdsondenrohr nach Anspruch 17, dadurch gekennzeichnet, dass die duroplastische Ver­ gussmasse Füll- und/oder Verstärkungsstoffe aufweist.18. geothermal tube according to claim 17, characterized in that the thermosetting Ver has casting compound fillers and / or reinforcing materials. 19. Erdsondenrohr nach Anspruch 16, dadurch gekennzeichnet, dass die Umhüllung (7) aus einem auflaminierten, faserarmierten Duromeren besteht.19. A geothermal tube according to claim 16, characterized in that the covering ( 7 ) consists of a laminated, fiber-reinforced thermoset.
DE20202578U 2002-02-19 2002-02-19 Erdsondenrohr Expired - Lifetime DE20202578U1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE20202578U DE20202578U1 (en) 2002-02-19 2002-02-19 Erdsondenrohr
PCT/EP2003/001592 WO2003078905A1 (en) 2002-02-19 2003-02-18 Earth probe
AU2003214062A AU2003214062A1 (en) 2002-02-19 2003-02-18 Earth probe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20202578U DE20202578U1 (en) 2002-02-19 2002-02-19 Erdsondenrohr

Publications (1)

Publication Number Publication Date
DE20202578U1 true DE20202578U1 (en) 2003-04-10

Family

ID=7967993

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20202578U Expired - Lifetime DE20202578U1 (en) 2002-02-19 2002-02-19 Erdsondenrohr

Country Status (3)

Country Link
AU (1) AU2003214062A1 (en)
DE (1) DE20202578U1 (en)
WO (1) WO2003078905A1 (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006011161A1 (en) * 2006-03-10 2007-09-13 Joachim Pinkl Earth connection plate for borehole, has threaded hole for fixing injecting frame, where force from hole is directly transferred over threaded rod e.g. metal rod, to lower end of pressure plate
DE202007004346U9 (en) * 2007-03-21 2008-04-24 Rehau Ag + Co pipe arrangement
DE102007024656A1 (en) 2007-05-26 2008-11-27 Joachim Pinkl Geothermal probe foot for inserting geothermal probe into borehole, has pair of two forward and return pipes made up of two coils and probe foot is formed by two equal halves with forward and return line
DE202007011565U1 (en) 2007-08-17 2009-01-02 Rehau Ag + Co pipe arrangement
DE102007036324A1 (en) * 2007-07-31 2009-02-05 Gf-Tec Gmbh Plastic tubular part for a geothermal probe comprises a curved region and an inner wall which is free from seams or bulges running across the flow direction during operation
DE202007017371U1 (en) * 2007-12-11 2009-04-16 Rehau Ag + Co Geothermal probe made of cross-linked polymer material
WO2009053083A2 (en) * 2007-10-26 2009-04-30 Rehau Ag + Co Pipe for temperature control
WO2009053033A2 (en) 2007-10-26 2009-04-30 Rehau Ag + Co Method for deforming tubes
DE202009004592U1 (en) 2008-06-10 2009-06-18 FITR-Gesellschaft für Innovation im Tief- und Rohrleitungsbau Weimar mbH Probe foot for a geothermal probe
DE202008012453U1 (en) 2008-09-18 2010-02-11 Rehau Ag + Co geothermal probe
DE102009030153A1 (en) 2009-06-19 2011-01-27 Terra Calidus Gmbh Probe base for protecting U-shaped end piece of geothermal probe, has base body accommodating U-shaped end piece, and spacer including pipelines that exist from end piece at distance to each other and force-fittingly connected with body
WO2013091853A1 (en) * 2011-12-21 2013-06-27 Rehau Ag + Co Geothermal probe assembly
EP3450878A1 (en) * 2017-08-28 2019-03-06 HakaGerodur AG Geothermal probe and geothermal probe base

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202005004815U1 (en) * 2005-03-22 2005-07-28 Gf-Tec Gmbh Probe end piece changing flow direction in a ground heat extraction process comprises a U-shaped pipe bend joined to inflow and outflow pipes being sunk into a borehole
AT505668B1 (en) 2007-09-06 2009-03-15 Erwin F Kopp DEVICE FOR PROTECTING A PROTECTIVE FEET FOR AN EARTH END
DE102008057245A1 (en) 2008-04-22 2009-10-29 Friatec Aktiengesellschaft Modular probe base and its components
JP6166061B2 (en) * 2013-02-22 2017-07-19 株式会社クボタケミックス Construction method of heat exchange device for geothermal heat utilization system and geothermal heat utilization system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3913429A1 (en) * 1988-05-19 1989-11-23 Naegelebau Ges M B H & Co Earth collector for obtaining geothermal energy and for heat accumulation in the earth, and method for erecting an earth collector
DE4211576A1 (en) * 1991-07-06 1993-01-07 Poehlmann Anwendungstechnik Gm Heating system using heat pump and ground probe - uses heat provided by probe transferred to refrigeration medium via evaporator heat exchanger
DE4329269A1 (en) * 1992-10-13 1994-04-14 Foralith Ag Gossau Method of sinking ground probe in pipe-lined borehole - involves filling outer annular space between borehole wall and lining pipe with sealant of good thermal conductivity and hose is extended by liq. static pressure or by steam
DE29613450U1 (en) * 1996-07-09 1996-11-28 Wassermann Herbert Earth probe
DE29912335U1 (en) * 1999-07-14 2000-08-17 Akatherm Hoehn Gmbh Earth probe
EP1065451A2 (en) * 1999-06-29 2001-01-03 Bayerisches Zentrum für Angewandte Energieforschung e.V. ZAE Bayern Filling material comprising graphite for ground heat exchanger

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU81670A1 (en) * 1979-09-10 1980-01-24 Feist Artus METHOD FOR OBTAINING GROWTH AND DEVICE FOR CARRYING OUT THIS METHOD
DE3022588A1 (en) * 1980-06-16 1981-12-24 Hans 4407 Emsdetten Hinterding Underground heat extraction tube for heat pump - has insulation around inner and outer water circulating pipes to reduce heat losses
CH674669A5 (en) * 1988-04-29 1990-06-29 Walter Johann Caldonazzi Sharp return bend mfr. - by pushing heated end of thermoplastic tube over heated mandrel
CH677394A5 (en) * 1988-09-06 1991-05-15 Symalit Ag
CH687268A5 (en) * 1993-06-09 1996-10-31 Haka Ag Fabrik Fur Kunststoff Inserted end for heat exchanger probed in a borehole
WO1999063282A1 (en) * 1998-06-01 1999-12-09 Enlink Geoenergy Services, Inc. Earth heat exchange system
NL1009998C2 (en) * 1998-09-02 2000-03-15 Ooms Avenhorn Holding Bv Method and device for installing interconnected vertical pipes in the ground.

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3913429A1 (en) * 1988-05-19 1989-11-23 Naegelebau Ges M B H & Co Earth collector for obtaining geothermal energy and for heat accumulation in the earth, and method for erecting an earth collector
DE4211576A1 (en) * 1991-07-06 1993-01-07 Poehlmann Anwendungstechnik Gm Heating system using heat pump and ground probe - uses heat provided by probe transferred to refrigeration medium via evaporator heat exchanger
DE4329269A1 (en) * 1992-10-13 1994-04-14 Foralith Ag Gossau Method of sinking ground probe in pipe-lined borehole - involves filling outer annular space between borehole wall and lining pipe with sealant of good thermal conductivity and hose is extended by liq. static pressure or by steam
DE29613450U1 (en) * 1996-07-09 1996-11-28 Wassermann Herbert Earth probe
EP1065451A2 (en) * 1999-06-29 2001-01-03 Bayerisches Zentrum für Angewandte Energieforschung e.V. ZAE Bayern Filling material comprising graphite for ground heat exchanger
DE29912335U1 (en) * 1999-07-14 2000-08-17 Akatherm Hoehn Gmbh Earth probe

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006011161A1 (en) * 2006-03-10 2007-09-13 Joachim Pinkl Earth connection plate for borehole, has threaded hole for fixing injecting frame, where force from hole is directly transferred over threaded rod e.g. metal rod, to lower end of pressure plate
DE202007004346U9 (en) * 2007-03-21 2008-04-24 Rehau Ag + Co pipe arrangement
DE202008016917U1 (en) 2007-03-21 2009-03-05 Rehau Ag + Co pipe arrangement
US8167027B2 (en) 2007-03-21 2012-05-01 Rehau Ag. & Co. Pipe arrangement
DE102007024656A1 (en) 2007-05-26 2008-11-27 Joachim Pinkl Geothermal probe foot for inserting geothermal probe into borehole, has pair of two forward and return pipes made up of two coils and probe foot is formed by two equal halves with forward and return line
DE102007036324A1 (en) * 2007-07-31 2009-02-05 Gf-Tec Gmbh Plastic tubular part for a geothermal probe comprises a curved region and an inner wall which is free from seams or bulges running across the flow direction during operation
DE102007036324C5 (en) * 2007-07-31 2013-07-11 Gf-Tec Gmbh Geothermal probe pipe fitting
DE102007036324B4 (en) * 2007-07-31 2010-04-15 Gf-Tec Gmbh Geothermal probe pipe fitting
DE202007011565U1 (en) 2007-08-17 2009-01-02 Rehau Ag + Co pipe arrangement
WO2009024274A1 (en) * 2007-08-17 2009-02-26 Rehau Ag + Co Pipe arrangement
DE102007051674A1 (en) 2007-10-26 2009-04-30 Rehau Ag + Co. Method for deforming pipes
WO2009053083A3 (en) * 2007-10-26 2009-08-06 Rehau Ag & Co Pipe for temperature control
WO2009053033A3 (en) * 2007-10-26 2010-02-04 Rehau Ag + Co Method for deforming tubes
WO2009053033A2 (en) 2007-10-26 2009-04-30 Rehau Ag + Co Method for deforming tubes
WO2009053083A2 (en) * 2007-10-26 2009-04-30 Rehau Ag + Co Pipe for temperature control
WO2009074287A1 (en) * 2007-12-11 2009-06-18 Rehau Ag + Co Geothermal probe made of cross-linked polymer material
DE202007017371U1 (en) * 2007-12-11 2009-04-16 Rehau Ag + Co Geothermal probe made of cross-linked polymer material
DE202009004592U1 (en) 2008-06-10 2009-06-18 FITR-Gesellschaft für Innovation im Tief- und Rohrleitungsbau Weimar mbH Probe foot for a geothermal probe
DE202008012453U1 (en) 2008-09-18 2010-02-11 Rehau Ag + Co geothermal probe
WO2010031489A1 (en) 2008-09-18 2010-03-25 Rehau Ag + Co Geothermal energy probe
DE102009030153A1 (en) 2009-06-19 2011-01-27 Terra Calidus Gmbh Probe base for protecting U-shaped end piece of geothermal probe, has base body accommodating U-shaped end piece, and spacer including pipelines that exist from end piece at distance to each other and force-fittingly connected with body
WO2013091853A1 (en) * 2011-12-21 2013-06-27 Rehau Ag + Co Geothermal probe assembly
EP3450878A1 (en) * 2017-08-28 2019-03-06 HakaGerodur AG Geothermal probe and geothermal probe base

Also Published As

Publication number Publication date
AU2003214062A1 (en) 2003-09-29
WO2003078905A1 (en) 2003-09-25

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