EP2084465A1 - Rohranordnung - Google Patents
RohranordnungInfo
- Publication number
- EP2084465A1 EP2084465A1 EP08734670A EP08734670A EP2084465A1 EP 2084465 A1 EP2084465 A1 EP 2084465A1 EP 08734670 A EP08734670 A EP 08734670A EP 08734670 A EP08734670 A EP 08734670A EP 2084465 A1 EP2084465 A1 EP 2084465A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- pipe
- tubes
- connecting element
- tube
- 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.)
- Ceased
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
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
- F28F21/062—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material the heat-exchange apparatus employing tubular conduits
-
- 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
- F24T10/15—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 bent tubes; using tubes assembled with connectors or with return headers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2225/00—Reinforcing means
- F28F2225/04—Reinforcing means for conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
-
- 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
Definitions
- the invention relates to a pipe arrangement for geothermal probes according to the preamble of claim 1.
- DE 202004007567 U1 describes a geothermal probe for introduction into a borehole in the ground.
- This geothermal probe comprises an outer wall of the geothermal probe forming outer tube which is closed at its lower end and extending inside the outer tube inner tube, wherein the annular space between the outer tube and the inner tube and the interior of the inner tube form lines for a heat transfer medium.
- the outer tube is formed at least over a major part of its longitudinal extent as a corrugated pipe.
- EP 05821 18 A1 a pipe arrangement of long, parallel plastic pipes is known, which are connected at the lower end.
- at least one head part is connected in a liquid-tight manner to at least two straight, parallel long pipes by welding or bonding and is described by at least one bottom part, which is connected in a liquid-tight manner to at least one of the straight pipes by welding or gluing.
- DE 20202578 U1 a pipe arrangement is known, for the production of tubes made of cross-linked polyethylene are required.
- pipe arrangements for geothermal probes are known in which a pipe section helical formed.
- the helix can have constant or variable diameters.
- Pipe arrangements for geothermal probes of cross-linked polymeric materials are resistant to point loads and do not have slow crack growth, but there is the problem that when attaching the connecting elements of pipe pairs they can not be butt welded, so that the production of such a pipe arrangement for geothermal probes material- and costly.
- FNCT Frell Notched Creep Test
- a pipe arrangement for geothermal probes is proposed from at least two tubes having at least one, a lumen-surrounding layer having at one end at least one, at least one layer exhibiting, connecting element, wherein at least one of the tubes at least partially from an unver- polymer material, wherein the polymeric material of the at least one layer of the tubes and / or the connecting element has a FNCT (Fill Emergency Creep Test) according to ISO 16770 of at least 3000 hours.
- FNCT Fall Emergency Creep Test
- geothermal probes are proposed in which a pipe is designed to be helical.
- the helix can have constant or variable diameters.
- the invention provides to perform the non-helical tube with thermal insulation.
- a further advantage of the pipe arrangement according to the invention for geothermal probes is seen in that the polymeric material of the at least one layer of the pipes and / or of the connecting element has an FNCT value (Füll Notched Creep Test) according to ISO 16770 of at least 5000 hours.
- FNCT value Frell Notched Creep Test
- This advantageous embodiment of the pipe arrangement according to the invention for geothermal probes a further increased point load resistance and in continuous operation a significantly reduced growth of grooves and notches is achieved.
- a point load resistance is achieved up to a temperature of 40 C C, whereby a permanent safety of the pipe arrangements for geothermal probes can be ensured with correspondingly high flow temperatures.
- the polymeric material of the at least one layer of the pipes and / or the connecting element has an MRS value (minimum required strength) of at least 10 MPa at 20 ° C. over 50 years.
- MRS value minimum required strength
- the polymeric material of at least one layer of the tubes and / or the connecting element has an MRS value (minimum required strength) of at least 12.5 MPa at 20 0 C over 50 years.
- MRS value minimum required strength
- the polymeric material of the at least one layer of the tubes and / or the connecting element at least one UV resistance-increasing aggregate, with which the allowable periods for outdoor storage of the invention Rohran- orders are increased for geothermal probes can.
- the polymeric material of the at least one layer of the tubes and / or the connecting element have at least one the mechanical resistance increasing additive or reinforcing material.
- a pipe arrangement according to the invention for geothermal probes can be made available, which can be dimensioned according to the legal requirements or standards easily and inexpensively.
- the pipe arrangement according to the invention for borehole heat exchangers is advantageously designed such that the polymeric material of the at least one layer of the pipes and / or of the connecting element has at least one additive which increases the diffusion resistance.
- These additives can be added in additions of about 1% to 30% and thus allow optimal dimensionable mechanical properties of the pipe assembly according to the invention for geothermal probes.
- the polymeric material of the at least one layer of the tube and / or the connecting element have at least one coloring additive, so that, for example, in piping arrangements for geothermal probes, which are interleaved, by different coloring additives of the Flow and the return are kenn Schweizerbar.
- the polymeric material of the at least one layer of the tubes and / or the connecting element has an admixture of at least one antistatic additive, wherein the surface resistance of the tube and / or the connecting element at most 10 "10
- the invention further teaches a pipe arrangement for borehole heat exchangers in which the polymeric material of the at least one layer of the pipes and / or the connecting element has an admixture of at least one electrically conductive aggregate, wherein the surface resistance of the pipes and / or the connecting element is at most 10 6 ohms / cm.
- These additives can be added to the poly- mers material is generally between about 1% to about 20%, depending on the legal requirements as well as the dimensioning standards.
- this multilayer pipe has an inner layer made of a polyethylene with a wall thickness of about 0.7 mm, with a FNCT of about 6,000 h, at 80 0 C, 4.0 MPa and in the presence of 2% wetting agent Arkopal®.
- Figure 1 shows a schematic sectional view of a pipe arrangement according to the invention for geothermal probes
- Figure 2 shows a schematic sectional view of another pipe arrangement according to the invention for geothermal probes
- Figure 3 shows a schematic side view with a partial section of another pipe arrangement according to the invention for geothermal probes
- Figure 4 shows a schematic side view with a partial section of another pipe arrangement according to the invention for geothermal probes.
- FIG. 1 shows a tube arrangement according to the invention which has two tubes 1, 2 which have at least one layer surrounding a lumen 3.
- a connecting element 4 is arranged, which is liquid-tightly connected to the tubes 1, 2.
- the tubes 1, 2 and the connecting element 4 are made of an uncrosslinked polymeric material, for example polyethylene.
- the polymeric material of at least one layer of the tubes 1, 2 and the connecting element 4 in this embodiment has a FNCT value of 3550 hours.
- the polymeric material of the at least one layer of the tubes 1, 2 and the connecting element 4 is formed so that it has an MRS value of 11, 1 MPa at 20 0 C over 50 years.
- FIG. 2 shows a further schematic representation of a pipe arrangement according to the invention for geothermal probes from two tubes 1, 2 shown.
- the tube 2 is inserted concentrically into the lumen 3 of the tube 1.
- a plurality of tubes 2 can be introduced into the lumen 3 of the tube 1, which can be arranged both concentrically and eccentrically.
- a connecting element 4 is arranged, which is connected via a cohesive connection such as welding liquid-tight manner with the free end 10 of the tube 1.
- the tube 1 and the tube 2 have approximately the same length, so that between the free end 20 of the tube 2 and the opposite connecting element 4 creates a free space in which the liquid transported through the lumen 3 of the tube 2 via the lumen 3 of the Tube 1 is traceable again.
- the polymeric material of the at least one layer of the tube 1 in this embodiment has a FNCT of 5550 hours and an MRS of 13.1 MPa.
- the polymeric material of the at least one layer of the tube 2 in this embodiment has a FNCT value of 3100 hours and an MRS value of 10.5 MPa at 20 0 C over 50 years.
- FIG. 3 shows, in a further schematic representation, that the tube 1, which forms the supply line of the pipe arrangement for borehole heat exchangers, is arranged in a helical shape.
- the helix has a constant diameter.
- the tube 2 shown is the return of the tube assembly.
- FIG. 4 shows, in a further schematic representation, that the tube 1, which is arranged helically, is connected to the tube 2 by means of the connecting element 4.
- Tube 2 is used in this arrangement as a return.
- the tube 2 is provided with a thermal insulation 21, which reduces heat loss of the guided or stored in the tube 2 fluid.
- a foam layer or a layer which has a reduced heat transfer due to structure, choice of materials, additives, etc. can be provided as thermal insulation 21.
- the connecting element 4 of the pipe arrangement according to the invention for geothermal probes can be designed in many ways, in particular, the teaching of the invention also known per se means to liquid-tight connection of the connecting means 4 with the tube 1, 2 in the form of one or more parts plug or welding fittings made of any materials , which can also be designed as a locking sleeve, sliding sleeve, locking element, electric welding sleeve and the like.
- connection means 4 is replaced by additional components, such as e.g. comprehensive half-shells, a foam or encapsulation is mechanically protected.
- the teachings of the invention also include a geothermal heat recovery or storage device having a tube assembly according to the present invention.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202007004346U DE202007004346U1 (de) | 2007-03-21 | 2007-03-21 | Rohranordnung |
PCT/EP2008/002194 WO2008113569A1 (de) | 2007-03-21 | 2008-03-19 | Rohranordnung |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2084465A1 true EP2084465A1 (de) | 2009-08-05 |
Family
ID=38650881
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08734670A Ceased EP2084465A1 (de) | 2007-03-21 | 2008-03-19 | Rohranordnung |
Country Status (5)
Country | Link |
---|---|
US (1) | US8167027B2 (de) |
EP (1) | EP2084465A1 (de) |
DE (2) | DE202007004346U1 (de) |
EA (1) | EA022199B1 (de) |
WO (1) | WO2008113569A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009053033A2 (de) | 2007-10-26 | 2009-04-30 | Rehau Ag + Co | Verfahren zum verformen von rohren |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202007011565U1 (de) * | 2007-08-17 | 2009-01-02 | Rehau Ag + Co | Rohranordnung |
DE202007017371U1 (de) * | 2007-12-11 | 2009-04-16 | Rehau Ag + Co | Erdwärmesonde aus vernetztem Polymermaterial |
DE102008004988A1 (de) * | 2008-01-17 | 2009-07-23 | Tracto-Technik Gmbh & Co. Kg | Anlage zur Umwelt-Wärmenutzung |
DE202008012453U1 (de) | 2008-09-18 | 2010-02-11 | Rehau Ag + Co | Erdwärmesonde |
DE202008015520U1 (de) * | 2008-11-22 | 2010-04-22 | Rehau Ag + Co | Kunststoffrohr |
AU2009329804B2 (en) * | 2008-12-24 | 2015-10-22 | Dux Manufacturing Limited | A heat exchanger and a water heater incorporating same |
US20110036112A1 (en) * | 2009-08-17 | 2011-02-17 | American Ecothermal, Inc. | Turbulence Inducing Heat Exchanger |
DE202009011393U1 (de) * | 2009-08-24 | 2010-12-30 | Rehau Ag + Co. | Transport- und Lagereinheit |
DE102009045882A1 (de) * | 2009-10-21 | 2011-04-28 | Evonik Degussa Gmbh | Erdwärmesonde für eine geotherme Wärmepumpe |
US8595998B2 (en) | 2009-10-29 | 2013-12-03 | GE Research LLC | Geosolar temperature control construction and method thereof |
US8322092B2 (en) | 2009-10-29 | 2012-12-04 | GS Research LLC | Geosolar temperature control construction and method thereof |
AU2010202125B1 (en) | 2010-05-26 | 2010-09-02 | Takeda Pharmaceutical Company Limited | A method to produce an immunoglobulin preparation with improved yield |
US8905083B2 (en) | 2012-01-27 | 2014-12-09 | Titeflex Corporation | Energy dissipative tubes and methods of fabricating and installing the same |
GB2498936A (en) * | 2012-01-31 | 2013-08-07 | Norner Innovation As | Polyethylene with multi-modal molecular weight distribution |
DE102012111140A1 (de) * | 2012-11-20 | 2014-05-22 | Rehau Ag + Co. | Verwendung eines ersten und eines zweiten Polymermaterials |
JP6050670B2 (ja) * | 2012-12-07 | 2016-12-21 | ダイキン工業株式会社 | 空気調和装置の施工方法 |
GB201313937D0 (en) | 2013-08-05 | 2013-09-18 | Ineos Europe Ag | Polymerisation process |
US9777562B2 (en) * | 2013-09-05 | 2017-10-03 | Saudi Arabian Oil Company | Method of using concentrated solar power (CSP) for thermal gas well deliquification |
FI130172B (en) * | 2018-02-12 | 2023-03-27 | Fira Group Oy | Geothermal heat exchanger, geothermal heating arrangement and method for storing heat energy in the ground |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29906998U1 (de) * | 1999-04-20 | 1999-07-01 | Wavin B.V., Zwolle | Zweischichtiges Rohr |
EP1036974A1 (de) | 1999-03-16 | 2000-09-20 | HAKA.Gerodur AG | Verbindungsstück aus thermoplastischem Kunststoff für Rohrleitungen einer Erdsondenanlage |
DE20010111U1 (de) | 2000-06-08 | 2001-10-31 | Wavin B.V., Zwolle | Mehrschichtiges Rohr |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0582118A1 (de) * | 1992-08-06 | 1994-02-09 | Sacac Hergiswil Ag | Erdsondengebilde, Distanzhalter für Erdsondengebilde, mindestens einteiliger Erdpfahl mit Erdsonde, Erdwärmegewinnungsanlage sowie deren Verfahren |
US5706888A (en) * | 1995-06-16 | 1998-01-13 | Geofurnace Systems, Inc. | Geothermal heat exchanger and heat pump circuit |
EP1041113A1 (de) * | 1999-03-30 | 2000-10-04 | Fina Research S.A. | Polyolefine und ihre Verwendung |
EP1199161A1 (de) * | 2000-10-20 | 2002-04-24 | SOLVAY POLYOLEFINS EUROPE - BELGIUM (Société Anonyme) | Rohr aus Polyethylen |
EP1201713A1 (de) * | 2000-10-27 | 2002-05-02 | ATOFINA Research | Rohre aus Polyethylen und Verfahren zum Herstellen |
DE20202578U1 (de) * | 2002-02-19 | 2003-04-10 | REHAU AG + Co., 95111 Rehau | Erdsondenrohr |
DE50303122D1 (de) * | 2003-10-17 | 2006-06-01 | Geberit Technik Ag | Mehrschichtiges Rohr aus thermoplastischem Kunststoff |
AT7510U1 (de) * | 2004-04-26 | 2005-04-25 | Armin Ing Amann | Erdwärmesonde |
BRPI0512485A (pt) * | 2004-06-25 | 2008-03-04 | Basell Poliolefine Srl | sistemas de tubulação feitos de copolìmeros estatìsticos de propilento e alfa-olefinas |
DE202005004815U1 (de) * | 2005-03-22 | 2005-07-28 | Gf-Tec Gmbh | Sondenendstück |
DE202006012992U1 (de) * | 2006-08-15 | 2006-11-09 | Lohrmann, Norbert | Wärmeübertragersonde |
-
2007
- 2007-03-21 DE DE202007004346U patent/DE202007004346U1/de not_active Ceased
-
2008
- 2008-03-19 DE DE202008016917U patent/DE202008016917U1/de not_active Expired - Lifetime
- 2008-03-19 EA EA200970876A patent/EA022199B1/ru not_active IP Right Cessation
- 2008-03-19 WO PCT/EP2008/002194 patent/WO2008113569A1/de active Application Filing
- 2008-03-19 EP EP08734670A patent/EP2084465A1/de not_active Ceased
- 2008-03-21 US US12/076,767 patent/US8167027B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1036974A1 (de) | 1999-03-16 | 2000-09-20 | HAKA.Gerodur AG | Verbindungsstück aus thermoplastischem Kunststoff für Rohrleitungen einer Erdsondenanlage |
DE29906998U1 (de) * | 1999-04-20 | 1999-07-01 | Wavin B.V., Zwolle | Zweischichtiges Rohr |
DE20010111U1 (de) | 2000-06-08 | 2001-10-31 | Wavin B.V., Zwolle | Mehrschichtiges Rohr |
Non-Patent Citations (5)
Title |
---|
"PolyPipe(R) EHMW PE3408/PE3608 Pipe", DATENBLATT, February 2006 (2006-02-01), pages 1 - 4, XP003028650 |
"Total Petrochemicals: High-density polyethylene", TECHNICAL DATA SHEET "HDPE XSC 50 BLUE" PE 100 HIGH PROTECTION, January 2005 (2005-01-01), pages 1 - 2, XP003028652 |
See also references of WO2008113569A1 * |
TOTAL PETROCHEMICALS RESEARCH: "PE-Werkstoff PE 100 konigsblau fur Druckrohre und- Formstucke vom Typ HDPE XSC 50 Blue", ZERTIFIKAT DER DIN CERTO GESELLSCHAFT FUR KONFORMITATSBEWERTUNG MBH, 17 December 2004 (2004-12-17), pages 1, XP003028651 |
VERSAPIPE HD: "Polyethylene pipes - High density. Manufactured from PE3408 high density polyethylene as per CSA C.448", SPECIFICATION SHEET, 24 April 2006 (2006-04-24), pages 1 - 2, XP003028649 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009053033A2 (de) | 2007-10-26 | 2009-04-30 | Rehau Ag + Co | Verfahren zum verformen von rohren |
Also Published As
Publication number | Publication date |
---|---|
WO2008113569A1 (de) | 2008-09-25 |
DE202007004346U9 (de) | 2008-04-24 |
DE202008016917U1 (de) | 2009-03-05 |
US8167027B2 (en) | 2012-05-01 |
EA022199B1 (ru) | 2015-11-30 |
EA200970876A1 (ru) | 2010-04-30 |
DE202007004346U1 (de) | 2007-10-31 |
US20080236784A1 (en) | 2008-10-02 |
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