WO2011047979A1 - Erdwärmesonde für eine geotherme wärmepumpe - Google Patents
Erdwärmesonde für eine geotherme wärmepumpe Download PDFInfo
- Publication number
- WO2011047979A1 WO2011047979A1 PCT/EP2010/065162 EP2010065162W WO2011047979A1 WO 2011047979 A1 WO2011047979 A1 WO 2011047979A1 EP 2010065162 W EP2010065162 W EP 2010065162W WO 2011047979 A1 WO2011047979 A1 WO 2011047979A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- range
- geothermal
- probe
- roughness
- din
- Prior art date
Links
- 239000000523 sample Substances 0.000 claims description 51
- 239000004952 Polyamide Substances 0.000 claims description 21
- 229920002647 polyamide Polymers 0.000 claims description 21
- 239000003507 refrigerant Substances 0.000 claims description 16
- 238000000465 moulding Methods 0.000 claims description 13
- 150000001875 compounds Chemical class 0.000 claims description 8
- 229920000098 polyolefin Polymers 0.000 claims description 7
- 229920002313 fluoropolymer Polymers 0.000 claims description 6
- 239000004811 fluoropolymer Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 230000003746 surface roughness Effects 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 4
- 239000011552 falling film Substances 0.000 claims description 4
- 239000012783 reinforcing fiber Substances 0.000 claims description 4
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000012763 reinforcing filler Substances 0.000 claims description 3
- 238000009757 thermoplastic moulding Methods 0.000 claims description 3
- 238000004439 roughness measurement Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000012778 molding material Substances 0.000 claims 1
- 238000001556 precipitation Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 13
- -1 ether ketones Chemical class 0.000 description 12
- 239000002318 adhesion promoter Substances 0.000 description 11
- 239000000945 filler Substances 0.000 description 8
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 6
- 230000008020 evaporation Effects 0.000 description 6
- 239000000835 fiber Substances 0.000 description 6
- 239000002689 soil Substances 0.000 description 6
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 5
- 125000004432 carbon atom Chemical group C* 0.000 description 5
- 239000000178 monomer Substances 0.000 description 5
- 229920001155 polypropylene Polymers 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000004715 ethylene vinyl alcohol Substances 0.000 description 4
- 239000010408 film Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 239000001294 propane Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical compound CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000001273 butane Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000002041 carbon nanotube Substances 0.000 description 2
- 150000004985 diamines Chemical class 0.000 description 2
- RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 2
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 2
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 229920006396 polyamide 1012 Polymers 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical compound FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 description 1
- PWGJDPKCLMLPJW-UHFFFAOYSA-N 1,8-diaminooctane Chemical compound NCCCCCCCCN PWGJDPKCLMLPJW-UHFFFAOYSA-N 0.000 description 1
- 229920002126 Acrylic acid copolymer Polymers 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910052582 BN Inorganic materials 0.000 description 1
- 229920002748 Basalt fiber Polymers 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000004609 Impact Modifier Substances 0.000 description 1
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000005083 Zinc sulfide Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- YDLSUFFXJYEVHW-UHFFFAOYSA-N azonan-2-one Chemical compound O=C1CCCCCCCN1 YDLSUFFXJYEVHW-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 125000005587 carbonate group Chemical group 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 238000007765 extrusion coating Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 150000003951 lactams Chemical class 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- GTLACDSXYULKMZ-UHFFFAOYSA-N pentafluoroethane Chemical compound FC(F)C(F)(F)F GTLACDSXYULKMZ-UHFFFAOYSA-N 0.000 description 1
- 238000005293 physical law Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000412 polyarylene Polymers 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 238000009666 routine test Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/18—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by applying coatings, e.g. radiation-absorbing, radiation-reflecting; by surface treatment, e.g. polishing
- F28F13/185—Heat-exchange surfaces provided with microstructures or with porous coatings
-
- 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 geothermal probe for the extraction of geothermal energy from a bore.
- the extraction of geothermal heat from drilling is done by pumping thermal water from digested aquifers or by cooling the soil along a bore.
- Soil is done with different geothermal probes.
- vaporizable refrigerants can be used, which gain the energy by the evaporation.
- Direct evaporator probes are on the rise. Compared to brine probes, they offer a significantly higher level of efficiency and are seen by experts as the technology of the future. For example, there are systems based on propane (R290), butane, ammonia (R7 7) or carbon dioxide (R744), with propane being preferred.
- Deep geothermal probes with direct evaporators are also referred to as heat pipes or heat pipes.
- DE 10 2007 005 270 A1 describes a geothermal probe which contains a condensate flow distributor with condensate guide devices arranged radially and / or tangentially to the wall of the probe tube. In this way, a radially distributed condensate film is to be generated.
- EP 1 450 142 A2 describes a heat exchanger tube which consists of a filler-containing polymer material. The tube is used for
- Geothermal probes are known in which the tubes have at least one layer of a polymer molding composition containing a mechanical resistance increasing filler or reinforcing material. So that should
- the pipe arrangement is provided for the transport of a liquid heat transfer medium.
- the invention has for its object to produce in a geothermal probe by simple means a complete falling film, so that the entire inner surface of the probe tube is wetted evenly.
- This object is achieved by a geothermal probe designed as a direct evaporator probe for obtaining geothermal heat from a bore, in which the inner surface of the probe tube has the following roughness characteristics: a) an arithmetic mean roughness Ra according to DIN EN ISO 4287 in
- the roughness measurement is carried out in accordance with DIN EN ISO 4288 using the profile method.
- Stylus instrument becomes a probe tip made of diamond with constant
- the measuring profile results from the vertical positional shift of the probe tip, which is usually detected by an inductive distance measuring system.
- Ra is the arithmetic mean roughness from the amounts of all profile values.
- Rz is the average of the five surface roughness values from the five
- Rz1 max is the largest roughness depth from the five individual measuring sections.
- the geothermal probe consists of a probe tube, which has a Verfullbaustoff, such as bentonite, is connected to the soil. The evaporation of the refrigerant condensate takes place on the inner surface of the probe tube. The transport of the resulting vapor upwards takes place in the center of the tube.
- the inner diameter of the probe tube is usually in the range of 15 to 80 mm, preferably in the range of 20 to 55 mm and more preferably in the range of 26 mm to 32 mm.
- the probe length is generally 60 to 200 m, in some cases larger or smaller lengths are possible. Preferably, the probe is 80 to 120 meters long.
- the refrigerant used is, for example, propane (R290), butane, ammonia (R717) or carbon dioxide (R744).
- Further suitable refrigerants are for example propene (R 270), tetrafluoroethane (R 34a), difluoromethane (R32), pentafluoroethane (R125), a mixture of R32, R125 and R134a in the ratio 23/25/52 (R407C) or a mixture of R32 and R125 in the
- Ratio 50:50 (R410A). According to the physical laws, the probe interior is thus under relatively high pressure. The ascended refrigerant vapor is compressed in a compressor and liquefied with it. When compressing condensation heat is released, which is dissipated as useful heat. The cooled liquid refrigerant is via a
- the probe tube may for example consist of metal.
- the inner surface carries a rough coating.
- the outer surface may be coated, for example for reasons of corrosion protection.
- the metal may be aluminum, an aluminum alloy, Steel, such as stainless steel, or any other metal.
- Coating may be accomplished by powder coating or by coating with the melt of a molding compound described below, for example by extrusion coating.
- the tube is preferably made of plastic and particularly preferably of a thermoplastic molding compound.
- Such pipes can be wound, so that the need is eliminated during assembly comparatively short pieces with each other z. B. to connect by welding.
- the molding compound used must have sufficient rigidity so that the wall thickness can be made thin for reasons of heat transfer.
- Forming mass be sufficiently resistant to the refrigerant and the moisture of the soil. This means that the wall must not swell, as this would be associated with undesirable changes in length.
- Suitable plastics are, for example, fluoropolymers such as PVDF, PTFE or ETFE, polyarylene ether ketones such as PEEK, polyolefins such as polyethylene or polypropylene and polyamides.
- the monomer units can be derived from lactams or ⁇ -aminocarboxylic acids.
- Dicarboxylic acid at least 8, at least 9 or at least 10.
- Suitable polyamides are, for example: PA610 (preparable from
- PA88 can be prepared from octamethylenediamine and 1 .8-octanedioic acid
- PA8 preparable from capryllactam
- the preparation of the polyamides is state of the art.
- copolyamides based thereon can also be used, it also being possible for monomers such as caprolactam to be used as well.
- Polyamide combinations are known in the art; For example, here are the combination PA12 / PA1012, PA12 / PA1212, PA612 / PA12,
- the thermoplastic molding compound may be filled with reinforcing fibers and / or fillers.
- the fibers or filler particles which press through on the surface thereby produce the required roughness.
- the molding composition contains 0.1 to 50 wt .-%, preferably 0.5 to 20 wt .-% and particularly preferably 3 to 10 wt .-% fillers and / or fibers.
- the molding composition here contains only fibers.
- the molding compound contains only fillers.
- the molding composition contains a mixture of fibers and fillers.
- Suitable reinforcing fibers are, for example, glass fibers, basalt fibers, carbon fibers, aramid fibers and potassium titanate whiskers, as well as fibers of higher melting polymers.
- suitable fillers are titanium dioxide, zinc sulfide, silicates, chalk, aluminum oxide and glass beads.
- suitable reinforcing fibers or fillers the thermal conductivity of the probe wall can be increased.
- fiber material metal fibers or as a filler metal powder carbon black, graphite, CNTs (carbon nanotubes), hexagonal boron nitride or combinations or mixtures of different materials can be used.
- the molding composition may contain the customary auxiliaries or additives, for example impact modifiers, plasticizers, stabilizers and / or processing aids.
- the surface roughness is produced by compounding a second polymer which is compatible with the
- Matrix polymer is incompatible or only slightly compatible and therefore only relatively coarse dispersed. Suitable material combinations are
- polyamide / polypropylene for example, polyamide / polypropylene or polyamide / ethylene acrylic ester acrylic acid copolymer / polypropylene.
- the probe tube may be single-layered and thus consist of one of the above-described molding compositions over the entire wall thickness. In a further embodiment this is
- Multi-layer probe tube wherein the inner layer consists of one of the molding compositions described above and the other layers have functions that are not sufficiently perceived by the layer of the surface-gray molding compound, such as flexibility,
- adhesion promoters can be used according to the prior art.
- Suitable layer sequences from the inside to the outside are, for example: Polyamide (for example PA12) / adhesion promoter / polypropylene or
- Polyamide for example PA12
- adhesion promoter / adhesion promoter / ethylene-vinyl alcohol copolymer (EVOH) / adhesion promoter / polyamide;
- EVOH ethylene-vinyl alcohol copolymer
- Polyamide / coupling agent / fluoropolymer for example PVDF or ETFE
- Suitable adhesion promoters for the combination of polyamide and polyolefins are, for example, with maleic anhydride functionalized polyolefins.
- polyamides such as PA12 and EVOH can be used
- maleic acid-functionalized polyolefins are suitable as adhesion promoters.
- Adhesion promoters for the combination of polyamides and fluoropolymers are known, for example, from EP 0 618 390 A1, while
- adhesion-modified fluoropolymers for example, by admixing small amounts of polyglutarimide according to EP 0 637 51 1 A1, by
- Carbonate groups according to EP 0 992 518 A1 can be prepared.
- Probe tube additionally contain internals, as they are known from the prior art, for example, DE 10 2007 005 270 A1.
- the falling film over the circumference of the probe has a uniform layer thickness; Stripping or tearing of the film is prevented. Due to the enlarged surface, a better heat exchange is possible; at the same time the
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012534621A JP2013508658A (ja) | 2009-10-21 | 2010-10-11 | 地中熱ヒートポンプ用のボアホール地中熱交換器 |
MX2012004571A MX2012004571A (es) | 2009-10-21 | 2010-10-11 | Termopermutador del fondo del pozo para una bomba de calor geotermico. |
RU2012120569/06A RU2012120569A (ru) | 2009-10-21 | 2010-10-11 | Геотермический зонд для геотермального теплового насоса |
AU2010309960A AU2010309960A1 (en) | 2009-10-21 | 2010-10-11 | Downhole heat exchanger for a geothermal heat pump |
EP10768913A EP2491316A1 (de) | 2009-10-21 | 2010-10-11 | Erdwärmesonde für eine geotherme wärmepumpe |
CN2010800476893A CN102713458A (zh) | 2009-10-21 | 2010-10-11 | 用于地热热泵的地热探针 |
CA2777344A CA2777344A1 (en) | 2009-10-21 | 2010-10-11 | Downhole heat exchanger for a geothermal heat pump |
US13/502,767 US20120199317A1 (en) | 2009-10-21 | 2010-10-11 | Downhole heat exchanger for a geothermal heat pump |
ZA2012/02872A ZA201202872B (en) | 2009-10-21 | 2012-04-19 | Downhole heat exchanger for a geothermal heat pump |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009045882.4 | 2009-10-21 | ||
DE102009045882A DE102009045882A1 (de) | 2009-10-21 | 2009-10-21 | Erdwärmesonde für eine geotherme Wärmepumpe |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011047979A1 true WO2011047979A1 (de) | 2011-04-28 |
Family
ID=43763568
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2010/065162 WO2011047979A1 (de) | 2009-10-21 | 2010-10-11 | Erdwärmesonde für eine geotherme wärmepumpe |
Country Status (13)
Country | Link |
---|---|
US (1) | US20120199317A1 (de) |
EP (1) | EP2491316A1 (de) |
JP (1) | JP2013508658A (de) |
KR (1) | KR20120099015A (de) |
CN (1) | CN102713458A (de) |
AU (1) | AU2010309960A1 (de) |
CA (1) | CA2777344A1 (de) |
CO (1) | CO6531462A2 (de) |
DE (1) | DE102009045882A1 (de) |
MX (1) | MX2012004571A (de) |
RU (1) | RU2012120569A (de) |
WO (1) | WO2011047979A1 (de) |
ZA (1) | ZA201202872B (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2012141320A1 (ja) * | 2011-04-13 | 2014-07-28 | 日本電気株式会社 | 冷却装置の配管構造、その製造方法、及び配管接続方法 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008044224A1 (de) * | 2008-12-01 | 2010-06-02 | Evonik Degussa Gmbh | Verwendung einer Zusammensetzung für den Kontakt mit überkritischen Medien |
PL2374942T3 (pl) * | 2010-04-01 | 2015-06-30 | SPS Energy GmbH | Urządzenie i sposób pozyskiwania ciepła z otoczenia |
DE102010003916A1 (de) | 2010-04-13 | 2011-10-13 | Evonik Degussa Gmbh | Flexibles Rohr und Verfahren zu dessen Herstellung |
DE102010003920A1 (de) | 2010-04-13 | 2011-10-13 | Evonik Degussa Gmbh | Flexibles Rohr mit höherer Temperaturbeständigkeit |
DE102010003909A1 (de) | 2010-04-13 | 2011-10-13 | Evonik Degussa Gmbh | Flexibles Rohr mit mehrschichtigem Aufbau |
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Also Published As
Publication number | Publication date |
---|---|
KR20120099015A (ko) | 2012-09-06 |
CO6531462A2 (es) | 2012-09-28 |
AU2010309960A1 (en) | 2012-06-07 |
EP2491316A1 (de) | 2012-08-29 |
CN102713458A (zh) | 2012-10-03 |
CA2777344A1 (en) | 2011-04-28 |
ZA201202872B (en) | 2012-12-27 |
JP2013508658A (ja) | 2013-03-07 |
RU2012120569A (ru) | 2013-11-27 |
US20120199317A1 (en) | 2012-08-09 |
DE102009045882A1 (de) | 2011-04-28 |
MX2012004571A (es) | 2012-06-08 |
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