EP2470840A2 - Sonde géothermique avec emballage de transport - Google Patents

Sonde géothermique avec emballage de transport

Info

Publication number
EP2470840A2
EP2470840A2 EP10745554A EP10745554A EP2470840A2 EP 2470840 A2 EP2470840 A2 EP 2470840A2 EP 10745554 A EP10745554 A EP 10745554A EP 10745554 A EP10745554 A EP 10745554A EP 2470840 A2 EP2470840 A2 EP 2470840A2
Authority
EP
European Patent Office
Prior art keywords
transport
tube
storage unit
unit according
polymeric material
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.)
Withdrawn
Application number
EP10745554A
Other languages
German (de)
English (en)
Inventor
Guido Kania
Volker Liebel
Mario Psyk
Jörg STOSCHUS
Daniel Gottschalk
Frank Lünstedt
Alexander Oelschlegel
Karlheinz Winter
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
Publication of EP2470840A2 publication Critical patent/EP2470840A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/07—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles
    • B65D85/08—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles rod-shaped or tubular
    • 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
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
    • F28D1/0472—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being helically or spirally coiled
    • F28D1/0473—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being helically or spirally coiled the conduits having a non-circular cross-section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • 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
    • 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
    • F28F2255/02—Flexible elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/007—Auxiliary supports for elements
    • F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies
    • F28F9/0132—Auxiliary supports for elements for tubes or tube-assemblies formed by slats, tie-rods, articulated or expandable rods
    • 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 present invention relates to a transport and storage unit comprising a geothermal probe tube assembly for utilizing near-surface geothermal energy with a tube made of polymeric material that is at least partially helical or helical in shape and having a lumen-surrounding layer, and a transport tube.
  • Pack includes, wherein the transport packaging surrounds the geothermal probe tube assembly in a helical or spiral-shaped region of the tube.
  • Helix or spiral geothermal probe pipe arrangements have the task to absorb heat from the ground or to deliver it to the ground.
  • the geothermal probes constructed from such geothermal probe pipe arrangements are introduced into a borehole and poured out the gap between the probe and the bore wall, wherein the pouring material after curing provides for a permanent and statically stable connection between the geothermal probe and the ground surrounding the geothermal probe soil.
  • the hardened spout material ensures energy transfer between the heat transfer medium in the geothermal probe and the soil.
  • EP 1 006 331 A1 proposes winding a plastic pipe for guiding the heat transfer medium helically around a core of a wire mesh in many windings and inserting the resulting helically wound plastic pipe with the wire mesh into a borehole, which is then filled with the excavated material becomes.
  • the Erdettasonden- tube assembly described in EP 1 006 331 A1 disadvantageously represents a significant transport volume and transport weight due to the wire mesh core with the plastic tube wound around it.
  • US 5,054,541 describes a spiral geothermal probe tube assembly in which the individual windings are connected by drawstrings, wherein the drawstrings are distributed over the circumference of the turns of the geothermal probe tube and attached to the individual windings, so that the Thus formed Buchbandabête between turns each determine the axial distance between the individual turns.
  • the diameter of the helical turns decreases in the laying direction, so that the individual turns of the probe tube form a truncated cone, which occupies a reduced transport volume in the collapsed state during transport.
  • the ends of the drawbars are raised, whereby the geothermal probe tube assembly is pulled apart in the axial direction and can be performed in the extended state in the bore.
  • a geothermal probe is associated with a high production cost, because the turns of the pipe assembly must be individually connected to the drawstrings.
  • deformation of the conductor turns may occur because the drawstrings do not provide effective protection against deformation of the tube assembly.
  • AT 503 583 A4 describes a ground collector having a conduit for a heat transfer medium, which is insertable into a bore, forming a plurality of helical turns, and having the mutual axial spacing of the turns of the conduit limiting, flexible casing, which encloses the turns of the line under radial preload.
  • such probes have the disadvantage that the outer soft bend sheath the laying conditions on the site often can not withstand, so that it is damaged or torn in many cases during the laying of the ground collector. If such an outer flexible soft shell is lacking, such ground collectors can no longer be brought into the borehole since they are easily out of shape.
  • the present invention is based on the object of providing a transport and storage unit for such a geothermal probe pipe arrangement which overcomes the disadvantages of the prior art.
  • a transport and storage unit is to be made available through which the geothermal probe tube assembly can be safely transported and stored in a small volume and is ensured by a simple and safe installation of the geothermal probe under harsh conditions on the site.
  • a high and uniform heat extraction capacity of the geothermal probe is to be achieved.
  • this object is achieved in that the geothermal probe tube assembly is held in a transport and storage unit by a transport package under axial bias in a smaller volume than after removal of the transport packaging, wherein a tube of geothermal Probe tube assembly is made of cross-linked polymeric material. Accordingly, the objects underlying the present invention are achieved by a transport and storage unit for a geothermal probe having the features of claim 1. Preferred embodiments of the transport and storage unit according to the invention for a geothermal probe tube assembly are described in the dependent therefrom Speaks.
  • the present invention thus relates to a transport and storage unit for a geothermal probe tube assembly
  • a geothermal probe tube assembly comprising a geothermal probe tube assembly for utilizing near-surface geothermal energy with a tube made of polymeric material that is at least partially helical or spiral shaped and a layer surrounding a lumen and a transport packaging enclosing the borehole heat exchanger tube assembly in a helical or helical region of the tube, wherein the polymeric material is a cross-linked polymeric material, and wherein the transport package biases the borehole heat exchanger tube assembly under axial bias in a first contracted condition holds, in which the geothermal probe tube assembly occupies a smaller volume than in a second, expanded state in the transport packaging is no longer available.
  • the transport packaging comprises at least one holding element which consists of films, cords, ropes, tapes, adhesive tapes and combinations thereof. off, is selected.
  • the use of such holding elements ensures that the geothermal probe is kept in the packaged state targeted in a smaller volume and that the individual turns of the helical or spiral portion of the geothermal probe can not move against each other. It has been found in practice to be particularly favorable when transport packaging is a transport foil packaging.
  • the polymeric material of the tube is a crosslinked polyolefin, with crosslinked polyethylene (PE-X) being preferred.
  • the cross-linked polyethylene can be peroxide-crosslinked polyethylene (PE-Xa), silane-crosslinked polyethylene (PE-Xb), electron-beam cross-linked polyethylene (PE-Xc), azoveretworked polyethylene (PE-Xd) and mixed variants of these cross-linked polyethylenes act, with peroxide-crosslinked polyethylene is particularly preferred.
  • Such materials exhibit high point load resistance and stress cracking resistance and are therefore suitable for installation under difficult conditions.
  • thermally conductive particles in an amount of 1 wt .-% to 40 wt .-%, based on the weight of the polymeric material, are included. Based on the weight of the polymeric material of the tube, it is preferred that in the polymeric material 10 wt .-% to 30 wt .-% of thermally conductive particles, particularly preferably 18 wt .-% to 22 wt .-% heat-conductive particles are.
  • thermally conductive particles in the polymeric material promotes heat transfer between the soil and the heat transfer medium in the tube of the geothermal probe tube assembly.
  • Graphite, mica, wollastonite, talc, chalk, glass fibers, metals and mixtures of these materials have proven particularly advantageous as heat-conductive particles.
  • the tube has an oval cross section at least in sections, the oval cross section preferably having an ovality in the range of 1% to 45%, particularly preferably an ovality in the range of 10% to 30%.
  • Such an oval cross section of the tube causes an increase in the ratio of the surface of the tube to its free cross-sectional area, whereby an improvement of the heat absorption or heat dissipation from the flowing heat transfer medium to the soil takes place.
  • Such an improvement of the heat transfer between heat transfer medium and soil can also be effected by internals and / or internal grooves are provided on the inside of the tube.
  • Such internals and internal grooves can be used in addition to the ovalization of the pipe cross-section or find use as the only measures in round pipe cross-section.
  • Such measures also increase the turbulence of the flow of the heat transfer medium in the tube and thereby cause an improved heat absorption or heat dissipation through the heat transfer medium flowing through the tube.
  • drawers are present at at least one point along the circumference of the helical or spiral part of the tube.
  • the pulling devices are present at two locations along the circumference of the helical or spiral part of the tube, in particular at two opposite points along the circumference of the helical or spiral part of the tube.
  • Such traction devices are able to prevent a shift of the individual winding layers of the tube of the geothermal probe tube assembly under the transport packaging and on the other hand to allow uniform extraction of the geothermal probe tube assembly after removal of the transport packaging. It may prove to be particularly advantageous when it comes to the drawbars to drawstrings.
  • the drawstrings on their side facing the tube have a layer of thermoplastic material, which is materially connected to the polymeric material of the tube. In this way, a difficult detachable connection between the drawstrings and the tube is created. It may also prove to be beneficial if the drawstrings comprise an adhesive layer and a tension-resistant carrier layer. It may prove to be particularly advantageous if the carrier layer is reinforced by longitudinally inserted fibrous reinforcing threads or rovings and / or stretched polymer material to increase the tensile strength, preferably stretched polyethylene or polypropylene comprises and / or polyethylene terephthalate as a tensile polymer material.
  • Such a structure causes a mechanical stability of the drawstrings and allows a cohesive connection between the drawstrings and the polymeric material of the tube. Furthermore, it may be useful if the drawbars equidistant distances of the helix of the helical or spiral part of the pipe or predetermine with the laying depth decreasing distances of the helix of the helical or spiral portion of the tube. Equidistant spacings of the helix with the laying depth ensure uniform introduction of the geothermal probe tube arrangement into the ground.
  • the laying depth decreasing distances of the helix of the helical or spiral part of the tube ensure smaller installation distances of the pipe in deeper areas of the soil, in which there are higher temperatures than in the nearer areas of the soil, especially in the cold winter months.
  • the lower installation distances in the warmer areas of the soil the heat extraction capacity of the probe tube can be increased and thus more energy can be obtained.
  • a device for compensating buoyancy forces is present on the pipe of the geothermal probe pipe arrangement in the introduced into a wellbore state in the vicinity of the earth's surface farthest point of the tube and / or the traction devices. Due to the presence of such a device for compensating buoyancy forces laying of the geothermal probe tube assembly according to the invention used in groundwater is possible, whereby a very good heat transfer to the flowing in the tube heat transfer medium is made possible. It can also prove to be advantageous if there is a device for receiving a spreading means on the tube in the state introduced into the borehole near the point furthest away from the earth's surface.
  • the extraction of the helical or spiral portion of the tube can be easily performed.
  • the introduced spreading can be used to anchor the geothermal probe tube assembly according to the invention in the extended state in a wellbore.
  • the device for compensating buoyancy forces and the device for receiving a spreading means may be present individually or simultaneously on the pipe and / or on the pulling devices.
  • the polymeric material of the tube comprises at least one layer which is composed of a polymeric material whose FNCT (Füll Notched Creep Test) according to ISO 16770 under the conditions 80 0 C, 4 N / mm 2 , 2% Arcopal N-100 is at least 8,760 h.
  • FNCT Frell Notched Creep Test
  • Arcopal N-100 is at least 8,760 h.
  • Fig. 1 shows a schematic sectional view of a transport and storage unit according to the invention in the compressed state.
  • FIG. 2 shows a sectional view of the invention shown in FIG
  • FIG. 3 shows an enlarged section of the geothermal probe tube assembly shown in Fig. 2 in cross section.
  • FIG. 1 an embodiment of a transport and storage unit according to the invention is shown in cross-section.
  • the illustrated transport and storage unit comprises a borehole heat exchanger tube arrangement 1 with a tube 2 made of polymeric material, which is helical with the exception of one inlet 8 and one outlet 9, the helically shaped area of the tube 2 being surrounded by a transport packaging 3 which is formed in the illustrated embodiment of the present invention as a transport foil packaging.
  • a transport packaging 3 which is formed in the illustrated embodiment of the present invention as a transport foil packaging.
  • the tube 2 of the geothermal probe tube assembly 1 is made of peroxide-crosslinked polyethylene (PE-Xa) and has a layer surrounding a lumen 4 (FIG. 3).
  • the tube 2 may also be prepared from another crosslinked polymeric material, in particular a crosslinked polyolefin and preferably from another crosslinked polyethylene (PE-X).
  • thermally conductive graphite particles are added to the polymeric material in an amount of 20% by weight, based on the weight of the polymeric material.
  • thermally conductive graphite particles in addition to these particles, mica particles, talc particles, chalk particles, glass fiber particles, metal particles and mixed particles of these materials may also be contained in the polymeric material of the pipe 2. Such thermally conductive particles may be contained individually or as a mixture of such particles in the polymeric material of the tube 2.
  • the tube 2 of the geothermal probe tube assembly 1 has an inlet 8, a helically shaped region and a drain 9.
  • the helically formed region is present as a catchy He-Hx. At this catchy helix is followed by an approximately linear out of the helically shaped region leading out 9 of the tube 2 at.
  • the helically and / or spirally formed region of the tube 2 may also be a double-helical region, wherein a deflection of 180 ° is required at the lower end.
  • embodiments of the present invention may also be a catchy, combined helix and spiral region or a double-flight, combined helix and spiral region with a deflection by 180 ° or even a purely helically formed region in a catchy or double-flighted configuration, wherein in the embodiment with educate myselfem helical and / or spiral-shaped region at the lower end of the tube 2 in each case a deflection of the tube 2 by 180 ° is required.
  • Fig. 2 shows the geothermal probe tube assembly 1 shown in Fig.
  • This expansion of the helical or spiral-shaped region of the tube 2 is due to the stored spring energy without further external action. This can additionally be promoted by a mechanical extension of the helical and / or spiral region.
  • pulling devices 5 in the form of drawstrings are attached at two opposite points along the circumference of the helix.
  • pulling devices 5 are mounted at a location along the circumference of the helix.
  • drawers 5 may also be present at more than two locations along the circumference of the helical and / or spiral part of the tube 2, it being preferred that the locations along the circumference at which the drawers 5 are present, a occupy the greatest possible distance from each other.
  • pulling devices 5 are present at three locations along the circumference of the tube 2, it is preferred that these points be offset by about 120 ° along the circumference of the helically and / or spirally formed region of the tube 2.
  • the pulling devices 5 are designed as drawstrings. It is particularly preferred if the drawstrings have on their side facing the tube 2 a layer of thermoplastic material which forms a coherent connection with the crosslinked polymeric material of the tube 2.
  • the connections between the drawbars 5 and the tube 2 can easily be made such that the helix of the helical and / or helical region of the tube 2 has equidistant spacings. This is ensured by the fact that adjacent sections of the pulling device 5, which are separated only by the tube 2 in the helically formed region, have the same length. It is preferred, however, that distances of the helix and / or helical region of the tube 2 are predetermined by the pulling devices, which decrease with increasing laying depth of the geothermal probe pipe application. This is achieved by the fact that adjacent, separated only by the tube 2 in the helically shaped area Sections of the traction device 5 have a decreasing length with increasing laying depth.
  • the pulling devices 5 are preferably designed as drawstrings which comprise an adhesive layer 6 and a tension-resistant carrier layer 7.
  • the adhesive layer 6 is preferably a layer of a low-melting adhesive, a bonding agent and / or a contact adhesive, which forms a cohesive connection with the outside of the tube 2.
  • the tension-resistant carrier layer 7 is preferably reinforced by longitudinally inserted fibrous reinforcing threads and / or rowings.
  • the tension-resistant carrier layer 7 may preferably comprise drawn polymer material to increase the tensile strength, in particular drawn polyethylene, stretched polypropylene, copolymers and / or blends of these polyolefins being used.
  • the carrier layer 7 comprises polyethylene terephthalate (PET) as a tensile polymer material.
  • PET polyethylene terephthalate
  • a luminophore is incorporated into the material of the geothermal probe tube assembly 1 and / or the towing devices 5.
  • the geothermal probe luminesces when inserted into the wellbore and thus the introduction of the probe is greatly simplified in the dark hole because of the optical visibility of the current position of the probe.
  • an optical detectability of the insertion position of the probe into the soil can also be achieved by incorporating a thermochromic coloring pigment into the polymeric material of the tube 2. In this way, the outer wall of the tube 2 at different temperatures, ie at different laying depth of the tube, a different color, so that the actual installation depth of the probe can be detected optically.
  • the geothermal probe tube assembly has a device for compensating buoyancy forces near the furthest point of the tube 2 to the earth's surface.
  • a device for compensating buoyancy forces near the furthest point of the tube 2 to the earth's surface.
  • This is preferably a weight, in particular a metal weight (for example stainless steel), which is fastened to the pipe, for example by screwing.
  • the device for compensating buoyancy forces may also be present in the vicinity of the furthest point of the traction device 5 to the earth's surface.
  • the presence of a device for the compensation of buoyancy forces allows a laying of the geothermal probe in the groundwater and can thereby contribute to improved heat transfer to flowing through the pipe 2 heat transfer medium.
  • it is preferable, alternatively or in addition to the device for compensating buoyancy forces to attach a device for receiving a spreading means.
  • the presence of a spreader at the furthest point of the probe on the surface of the earth allows anchoring of the probe in the ground and thus a simplified
  • the polymeric material of the tube comprises at least one layer which is made of a polymeric material, the FNCT (fill notched creep test) according to ISO 16770 under the test conditions 80 0 C, 4 N / mm 2 , 2% Arkopal N-100 at least 8,760 hours.
  • FNCT fill notched creep test
  • Fig. 3 shows in cross section an enlarged section of the geothermal probe tube assembly shown in Fig. 2 1.
  • the tube 2 of the geothermal probe tube assembly encloses a lumen 4, which is traversed by the heat transfer medium.
  • the tube 2 in the helically formed region has an oval cross-section.
  • the ratio of the surface of the tube is increased to its through-flow from the heat transfer medium cross-sectional area, whereby the heat transfer between soil and heat transfer medium is improved.
  • the oval cross section is constant over the entire helically shaped region of the tube 2.
  • the ovality of the cross section of the tube in the helical and / or helical region can also be made variable.
  • the flow behavior of the heat transfer medium through the tube 2 is shifted from the laminar nature of the flow to a more turbulent character of the flow.
  • a turbulent flow of the heat transfer medium in the tube 2 is an improved heat absorption or heat dissipation through the pipe 2 flowing through the heat transfer medium.
  • internals may be provided on the side of the tube 2 facing the lumen 4. In such internals may be internal grooves, elevations, built-in tips, pedestal or the like, which prevent laminar flow of the heat transfer medium.
  • the tube 2 of the geothermal probe tube assembly takes place in the region of the inlet 8 and / or the outlet 9, a direct or sliding transition from an oval cross section of the tube 2 to a circular cross section.
  • the diameter of the circular tube cross-section of the inlet 8 and the outlet 9 is preferably designed so that a connectivity is given to standardized connection masses.
  • a coding preferably a color and / or graphic coding, is present during the startup.
  • the tube 2 has a circular cross section over its entire length.
  • the cross section may be constant or in particular have a variable cross section in the helically and / or spirally formed region of the tube 2.
  • the diameter of the circular pipe cross-section of the inlet 8 and the outlet 9 is preferably designed so that a connectability to standardized connection masses is given, wherein to avoid confusion Feed 8 and 9 sequence when commissioning preferably a coding, preferably a color and / or graphic coding can be present.

Landscapes

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

Abstract

L'invention concerne une unité de transport et de stockage pour un agencement tubulaire de sonde géothermique (1), qui comprend : un agencement tubulaire de sonde géothermique (1) destinée à exploiter la géothermie proche de la surface et comportant un tube (2) constitué d'un matériau polymère, se présentant au moins partiellement sous la forme d'une hélice ou d'une spirale et présentant une couche entourant une lumière (4); une garniture de transport (3) qui entoure l'agencement tubulaire de sonde géothermique (1) dans une zone en forme d'hélice ou de spirale du tube (2), le matériau polymère étant un matériau polymère réticulé et la garniture de transport (3) maintenant l'agencement tubulaire de sonde géothermique (1), sous précontrainte axiale, dans un premier état, contracté, dans lequel l'agencement tubulaire de sonde géothermique (1) occupe un volume plus faible que dans un deuxième état, expansé, dans lequel la garniture de transport (3) n'est plus présente.
EP10745554A 2009-08-24 2010-08-14 Sonde géothermique avec emballage de transport Withdrawn EP2470840A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202009011393U DE202009011393U1 (de) 2009-08-24 2009-08-24 Transport- und Lagereinheit
PCT/EP2010/005008 WO2011023311A2 (fr) 2009-08-24 2010-08-14 Unité de transport et de stockage

Publications (1)

Publication Number Publication Date
EP2470840A2 true EP2470840A2 (fr) 2012-07-04

Family

ID=42676902

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10745554A Withdrawn EP2470840A2 (fr) 2009-08-24 2010-08-14 Sonde géothermique avec emballage de transport

Country Status (3)

Country Link
EP (1) EP2470840A2 (fr)
DE (1) DE202009011393U1 (fr)
WO (1) WO2011023311A2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2971578B1 (fr) * 2011-02-11 2013-06-07 Ryb Sa Capteur geothermique en spirale ameliore
JP6148847B2 (ja) * 2012-11-19 2017-06-14 清水建設株式会社 地中熱交換器の施工方法及び地中熱交換器
EP2951511A1 (fr) * 2013-02-01 2015-12-09 Muovitech AB Tuyau collecteur géothermique
US9897347B2 (en) 2013-03-15 2018-02-20 Thomas Scott Breidenbach Screw-in geothermal heat exchanger systems and methods
DE202014102027U1 (de) * 2014-04-30 2015-08-03 Klaus Knof Erdsonde
JP5780663B1 (ja) * 2014-07-04 2015-09-16 新日本空調株式会社 既製杭内部への採熱管設置方法
US20220018577A1 (en) * 2018-12-04 2022-01-20 Regents Of The University Of Minnesota Groundwater enhanced geothermal heat pump

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63220091A (ja) * 1987-03-07 1988-09-13 Bunkichi Tanaka 熱交換機用コイル形流路及びこれを用いた熱交換用コイルユニツト
EP1486741A1 (fr) * 2003-06-13 2004-12-15 Tiroler Röhren- und Metallwerke Aktiengesellschaft Pieu pour énergie
US20060108107A1 (en) * 2004-11-19 2006-05-25 Advanced Heat Transfer, Llc Wound layered tube heat exchanger

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3739544A (en) * 1971-02-12 1973-06-19 Feldmuehle Ag Method and apparatus for the shrink-wrapping of packages
FR2562048B1 (fr) * 1984-03-30 1986-11-28 Rougemont Manufacture Rouleau de fil metallique a enroulement a diametre variable conditionne sur un presentoir et son procede d'obtention
FR2623474B1 (fr) * 1987-11-25 1990-04-20 Spiragaine Sa Perfectionnement au dispositif pour le conditionnement de gaines tubulaires souples
DE8908917U1 (de) * 1989-07-21 1989-11-02 Peter Lancier Maschinenbau-Hafenhütte GmbH & Co KG, 4400 Münster Aufbewahrungsbehälter für einen Federspiralschlauch
US5054541A (en) 1990-11-06 1991-10-08 Robert Rumball Ground coil assembly
DE19727493C2 (de) * 1997-06-27 2002-10-17 Ulrich Pflueger Heizungsvorrichtung mit einer Wärmepumpe und einer Erdsonde
DE19856633A1 (de) 1998-12-03 2000-06-29 Peter Klemm EWTS-Erdwärmetauschersonden, System zur Nutzung oberflächennaher thermischer Speichersysteme
DE202006019801U1 (de) * 2005-11-07 2007-04-19 Behlendorf, Gunter Erdwärmetauscher und Anordnung aus Erdwärmetauschern
DE202006010244U1 (de) * 2006-07-01 2006-10-26 Sonnenschein, Armin Als Rohrleitung ausgebildeter spiralförmiger Erdwärmetauscher
AT503583B1 (de) 2006-07-10 2007-11-15 Augl Joachim Ing Erdkollektor
DE102007002606A1 (de) * 2007-01-12 2008-07-17 Ludwig Heinloth Sondenfuß für eine Erdwärmesonde
DE202007004346U1 (de) * 2007-03-21 2007-10-31 Rehau Ag + Co Rohranordnung
DE202008013524U1 (de) * 2008-10-11 2008-12-24 Pinkl, Joachim Gewendelter Erdwärmekorb

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63220091A (ja) * 1987-03-07 1988-09-13 Bunkichi Tanaka 熱交換機用コイル形流路及びこれを用いた熱交換用コイルユニツト
EP1486741A1 (fr) * 2003-06-13 2004-12-15 Tiroler Röhren- und Metallwerke Aktiengesellschaft Pieu pour énergie
US20060108107A1 (en) * 2004-11-19 2006-05-25 Advanced Heat Transfer, Llc Wound layered tube heat exchanger

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2011023311A2 *

Also Published As

Publication number Publication date
WO2011023311A2 (fr) 2011-03-03
WO2011023311A3 (fr) 2011-08-25
DE202009011393U1 (de) 2010-12-30

Similar Documents

Publication Publication Date Title
WO2011023311A2 (fr) Unité de transport et de stockage
DE102009028306B4 (de) Doppelrohr
EP2084465A1 (fr) Agencement de tuyaux
EP1486741B1 (fr) Pieu pour énergie
WO2009076687A1 (fr) Manchon pour assembler au moins deux tuyaux
DE3513858A1 (de) Unterwasser-nachrichtenuebertragungskabel mit optischen fasern
DE3702323A1 (de) Optisches faserkabel
WO2012062425A2 (fr) Système pour armer et aménager un pieu porteur pour le passage d'un milieu caloporteur et procédé de fabrication du pieu porteur
DE102005020887B3 (de) Gewendelter Wärmetauscher für Erdwärme
DE102017012049B4 (de) Erdwärmesonde in Form einer Koaxialsonde mit Doppelrohr-Schlauch und Herstellungsverfahren hierfür
DE202008012453U1 (de) Erdwärmesonde
EP2706308B1 (fr) Sonde géothermique
DE102013006416A1 (de) Erdwärmesonde
DE3106814A1 (de) "biegsame rohrleitung, insbesondere fuer den transport von fluessigkeiten mit hohen temperaturen und/oder hohem druck und rohr mit einer derartigen rohrleitung
EP3517688B1 (fr) Éléments d'ancrage à fixation dans le sol
DE202009011508U1 (de) Sondenfuß für eine Erdwärmesonde und Erdwärmesonde, die den Sondenfuß umfasst
DE102017216099B4 (de) Rohrleitung
DE202022102819U1 (de) Erdwärmetauscher
WO2011082866A1 (fr) Corps armé par des fibres
DE202016106092U1 (de) Armierungsstab aus einem Faserverbund, sowie Schiebekabel zur Übertragung digitaler Signale mit einem Gelege derartiger Armierungsstäbe
DE202017102490U1 (de) Ankeranordnung im Boden sowie Bodenanker
DE20203451U1 (de) Schlauch zur Durchleitung eines Mediums
DE202009012060U1 (de) Leitungssystem zum Transport einer Flüssigkeit
DE102017008566A1 (de) Schlauch-Rohr-System und Vorrichtung sowie Verfahren zur Herstellung eines Schlauch-Rohr-Systems
CH710540B1 (de) Erdwärmesondenrohr.

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20120228

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
17Q First examination report despatched

Effective date: 20171019

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20180907