WO2014000852A1 - Système de gestion de chaleur - Google Patents

Système de gestion de chaleur Download PDF

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Publication number
WO2014000852A1
WO2014000852A1 PCT/EP2013/001625 EP2013001625W WO2014000852A1 WO 2014000852 A1 WO2014000852 A1 WO 2014000852A1 EP 2013001625 W EP2013001625 W EP 2013001625W WO 2014000852 A1 WO2014000852 A1 WO 2014000852A1
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WO
WIPO (PCT)
Prior art keywords
hollow pile
heat
management system
heat exchanger
circuit
Prior art date
Application number
PCT/EP2013/001625
Other languages
German (de)
English (en)
Inventor
Albert Vögerl
Original Assignee
Voegerl Albert
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 Voegerl Albert filed Critical Voegerl Albert
Publication of WO2014000852A1 publication Critical patent/WO2014000852A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D11/00—Central heating systems using heat accumulated in storage masses
    • F24D11/002—Central heating systems using heat accumulated in storage masses water heating system
    • F24D11/005—Central heating systems using heat accumulated in storage masses water heating system with recuperation of waste heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
    • F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T10/00—Geothermal collectors
    • F24T10/30—Geothermal collectors using underground reservoirs for accumulating working fluids or intermediate fluids
    • 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
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/0034—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material
    • F28D20/0043—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material specially adapted for long-term heat storage; Underground tanks; Floating reservoirs; Pools; Ponds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/16—Waste heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
    • F24F2005/0025—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice using heat exchange fluid storage tanks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • F24F2005/0053—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground receiving heat-exchange fluid from a well
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • F24F2005/0057—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground receiving heat-exchange fluid from a closed circuit in the ground
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/54—Heating and cooling, simultaneously or alternatively
    • 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
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/0034—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material
    • F28D20/0039—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material with stratification of the heat storage material
    • 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
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/0052—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using the ground body or aquifers as heat storage medium
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/40—Geothermal heat-pumps
    • 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
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage

Definitions

  • the invention relates to a thermal management system.
  • a thermal management system is used, for example, to temper a machine, a building cooling and / or a building heating to a required temperature in the industrial sector.
  • refrigerators which cool the flowing in the cooling circuit heat transfer medium (usually water) to a desired temperature.
  • a disadvantage of refrigerators is their high energy consumption.
  • cooling circuits have hitherto also been cooled in cooling towers via fluid-air heat exchangers or in direct contact of the fluid with the air.
  • a limiting factor for the achievable cooling circuit temperature is the ambient temperature, which is often subject to high annual and / or daily fluctuations.
  • the invention has for its object to provide an efficient and simple heat management system.
  • a thermal management system comprises a first heat cycle for a heat transfer medium, a first heat exchanger connected to the first heat cycle, and a hollow pile.
  • the hollow pile has a much greater length compared to its width.
  • the hollow pile is embedded in the earth and thereby aligned with its longitudinal extent substantially, that is, exactly or at least approximately, perpendicular to the earth's surface.
  • the hollow pile is filled with liquid.
  • the first heat exchanger is arranged in the hollow pile and thereby preferably completely surrounded by the liquid.
  • the first heat exchanger serves for heat transfer between the liquid in the hollow pile and the heat transfer medium flowing in the first heat cycle.
  • the first heat exchanger can be flowed through by the heat transfer medium for this purpose.
  • the liquid, with which the hollow pile is filled advantageously enables heat transfer between the heat transfer medium and the liquid, as well as between the liquid and the surrounding soil, by heat-induced flow around the heat exchanger.
  • an advantageous temperature stratification within the liquid occurs.
  • very different temperature levels are established within the liquid at the longitudinal ends of the hollow pile, ie in the region of a lower and an upper end.
  • An advantageous effect of the stratification consists in the fact that the low and high temperature levels at the lower or upper end of the hollow pile remain largely constant even with heat input into the hollow pile - up to an energetic exhaustion of the hollow pile, as within the hollow pile a nearly Mix-free exchange of heated liquid volumes with cold liquid takes place. The same applies to a heat extraction from the hollow pile.
  • the stable temperature stratification in the hollow pile also makes it possible to use the hollow pile both as a heat sink for cooling purposes and as a heat source for heating. If required, the hollow pile can also be used simultaneously for cooling and heating.
  • the temperature stratification and the associated high temperature stability are supported in a preferred embodiment of the invention in that the hollow pile is formed with a length of at least 5 meters, in particular a length between 20 to 40 meters. As a result of this great length and corresponding installation depth, the temperature stratification already inherently sets by heat exchange of the liquid in the hollow pile with the surrounding soil, which leads to an approximation of the local liquid temperature to the natural temperature profile of the soil.
  • the soil regularly has an at least approximately constant and thus year-independent temperature, which is typically about 8 ° C. in temperate climates.
  • the heat exchange with the surrounding soil extends the heat storage capacity of the hollow pile given by the liquid and enables a rapid energetic regeneration of the hollow pile after extensive heat input or heat extraction.
  • the first heat cycle and the heat exchanger connected thereto are preferably a closed system to which, for example, a heat source or heat sink assigned to a consumer, in particular a machine to be cooled or tempered, can be connected.
  • the hollow pile preferably has a width between 0.2 and 4 meters.
  • the profile of the hollow pile in the invention is arbitrary. Due to ease of manufacture, high stability and ease of mounting in a borehole, however, the hollow pile is expediently circular-cylindrical.
  • the average width depends in particular on the energy conversion required in the hollow pile. Thus, the width can be kept relatively small with low energy consumption.
  • An appropriate average width of the hollow pile is for example about 2 m.
  • the hollow pile is designed with a wall thickness between 2 to 30 centimeters. In particular, the hollow pile has a wall thickness of about 7.5 centimeters.
  • the hollow pile is made of concrete.
  • the hollow pile is manufactured in a centrifugal casting process as a prestressed concrete component, which results in a particularly high strength of the hollow pile at a comparatively cost-effective production.
  • the wall thickness can be kept as low as possible in this production.
  • the hollow pile is made of steel, in particular stainless steel.
  • Steel offers the advantage of good heat conduction and thus high heat exchange with the surrounding soil.
  • the hollow pile may be composed in the context of the invention of several sections, which may be advantageous, for example, at long lengths in terms of handling and manufacturing.
  • the hollow pile is made in one piece, so that over the entire length a high stability and a high density result, which are not affected by joints.
  • the hollow pile is closed liquid-tight at the lower end.
  • a bottom plate is integrally formed on the hollow pile.
  • the hollow pile in the borehole is expediently pressed with a filler in order to stabilize the hollow pile in the borehole.
  • the filler is, for example, bentonite.
  • several hollow piles are used in the ground, in each of which a first heat exchanger is arranged.
  • the hollow piles are comparable to a geothermal probe field distributed over an available area used in the earth.
  • the first heat cycle may be a refrigeration cycle.
  • the first heat exchanger is expediently arranged at the lower end in the hollow pile, so that due to the temperature stratification of the liquid advantageously always the lowest liquid temperature is present at the first heat exchanger.
  • the first heat exchanger serves to release heat to the liquid and thus to cool the heat transfer medium.
  • the first heat cycle can also be a heating cycle.
  • the first heat exchanger is arranged in this case at the upper end in the hollow pile, where due to the temperature stratification regularly forms the highest liquid temperature, so that a heat absorption by the first heat exchanger in this area is particularly efficient.
  • the first heat cycle can also be an (intermediate) storage cycle.
  • the first heat exchanger is expediently arranged between the lower and the upper end (and with distance to these ends) in the hollow pile.
  • the storage circuit is connected, for example, to a solar thermal system and serves to deliver residual heat that can no longer be absorbed by a storage system of the solar thermal system via the third heat exchanger in the liquid of the hollow pile, so that it is cached by the liquid and the surrounding soil , If necessary, the residual heat stored in this way can be withdrawn from the liquid (and possibly from the surrounding soil) via the or another heat exchanger and used for heating.
  • one and the same hollow pile may have a plurality of heat exchangers of different heat cycles of the type described above, so that the hollow pile can simultaneously serve as a heat sink and source for several of the functions cooling, heating and / or heat storage.
  • the hollow pile comprises in particular as a first heat cycle, which is associated with the first heat exchanger, a cooling circuit of the type described above, as a second heat cycle to which a second heat exchanger is connected, a heating circuit of the type described above and optionally as Third heat cycle to which a third heat exchanger is connected, a storage circuit of the type described above.
  • the third heat exchanger - if present - arranged in the longitudinal direction of the hollow pile between the first and the second heat exchanger in the hollow pile.
  • the or each heat exchanger is a tube heat exchanger, which is arranged helically in the hollow pile.
  • a tube heat exchanger represents a particularly simple structure.
  • the tube of the tube heat exchanger can also simultaneously form a supply line or return line to or from the heat exchanger.
  • the or each heat exchanger can in principle be realized in a different design, for example with a lamellar design.
  • the plastic may also be a thermally conductive filled plastic.
  • the or each heat exchanger is made of metal, in particular stainless steel.
  • the inlet and / or outlet (also referred to as flow and return), which connect the heat exchanger within the hollow pile with the arranged outside of the hollow pile part of the associated heat cycle, are preferably way thermally insulated, so that the respective heat cycle is almost exclusively on the respective heat exchanger (and at the location of this heat exchanger) in thermal contact with the liquid in the hollow pile.
  • the or each heat exchanger is attached to a frame which is reversibly inserted into the hollow pile.
  • the frame makes it possible that the heat exchanger during assembly can be easily inserted into the hollow pile.
  • the or each heat exchanger is fixed to the frame in its position in the hollow pile.
  • the frame advantageously stabilizes its helical winding.
  • rollers are laterally arranged on the frame, by means of which the frame is supported against the inner wall of the hollow pile and allow easy insertion and removal of the frame in or out of the hollow pile.
  • the hollow pile has an inspection opening in order, for example, to remove the or each heat exchanger and optionally the frame from the hollow pile for maintenance purposes or for repair.
  • the inspection opening is arranged at the upper end of the hollow pile, so that the optionally existing frame can be pulled out of the hollow pile upwards.
  • the hollow pile may also have a lateral inspection opening, through which the frame can be removed, for example, in segments.
  • the liquid with which the hollow pile is filled is water.
  • Water in the sense of the invention comprises not only fresh water (drinking water), but also, in particular, process water or salt water
  • the hollow pile is filled with a special heat transfer fluid, for example a water-glycol mixture or the like.
  • an intake pipe for extinguishing water removal is arranged in the hollow pile. As extinguishing water is used in this case, the water with which the hollow pile is filled. As a result, a fire extinguishing water supply is ensured without significant additional expense and particularly cost.
  • the hollow pile is used as a foundation pile for a building - in particular a building such as a machine hall.
  • temperature sensors are expediently arranged within the hollow pile and / or on its outer wall.
  • several of these temperature sensors are distributed along the longitudinal extent of the hollow pile and connected to a control and control unit of the thermal management system.
  • overheating of the liquid of a hollow pile can be detected, for example, in the case of several hollow piles, and the cooling capacity can be redistributed to the other hollow pile or piles.
  • a regulation of the temperatures in the hollow pile and the surrounding soil is possible.
  • the hollow pile is thermally insulated from the ground.
  • the insulation prevents heat exchange with the surrounding soil. This is particularly advantageous if the thermal management system is used in a climatic zone or an area whose soil temperatures counteract the intended and advantageous temperature stratification in the hollow pile.
  • thermal insulation of the hollow pile is in a simple embodiment of the invention on the outside or inside of the hollow pile - for example by sheathing or lining with Styrofoam or similar insulation material - applied.
  • thermally insulating granules may be mixed into the concrete.
  • the insulation of the hollow pile is mounted in an alternative embodiment of the invention only in a partial region of the longitudinal extent of the hollow pile or incorporated therein.
  • the hollow pile may be thermally insulated in the area of its upper end, so that in particular in areas near the upper end of the hollow pile regularly high ground temperatures - for example 20 degrees and higher - Have, an additional heating of the liquid is prevented by heat exchange with the ground. In the area of the lower end, however, the heat removal from the liquid into the surrounding soil is possible.
  • the thermal management system is mainly used for heating and / or temporary storage of heat
  • the lower portion of the hollow pile may be insulated so that additional heat is not extracted due to the low ground temperatures in the region of the lower end of the liquid.
  • the hollow pile is preferably sunk completely and at a distance from the earth's surface in the ground, so that the solar radiation has no or only negligible influence on the temperatures within the hollow pile.
  • the hollow pile terminates with the earth's surface or even partially protrudes from the earth.
  • FIG. 1 is a schematic representation of a thermal management system of a
  • FIG. 2 shows the hollow pile with two heat exchangers arranged therein, as shown in FIG. 2, FIG.
  • FIG. 5 shows in representation according to FIG. 2 the hollow pile with three heat exchangers arranged therein
  • FIG. 6 in a representation according to FIG. 2, the hollow pile with three heat exchangers fixed to the frame according to FIG. 3, FIG.
  • FIG. 7 in illustration according to FIG. 2, the hollow pile with two heat exchangers arranged therein and with a thermal insulating layer, and
  • Fig. 8 shows an embodiment of the thermal management system as pile foundation.
  • the thermal management system 1 shows a thermal management system 1 comprising a hollow pile 2, a control unit 3 and a first heat exchanger 4 arranged in the hollow pile 2. Furthermore, the thermal management system 1 comprises a first heat cycle, which is connected to the heat exchanger 4.
  • the first heat cycle is used here by way of example for cooling a machine 6, which is installed in a building of an industrial plant 7, and is therefore referred to below as the cooling circuit 5.
  • the hollow pile 2 As shown in more detail in Fig. 2, it is in the hollow pile 2 to a circular cylindrical prestressed concrete pipe with a length L, a width (due to the length L is many times greater than the diameter D.
  • the hollow pile has a length L of 20m with a diameter D of 2m.
  • the thickness S is, for example, 7.5 cm.
  • the hollow pile 2 is embedded in a borehole in the ground and pressed in this hole with a filler, here bentonite 8.
  • the hollow pile 2 is arranged with an upper end 9 about 1 m below the surface of the earth 10.
  • At a lower end 11 of the hollow pile 2 is liquid-tight with a bottom plate
  • the upper end 6 is equipped with a removable inspection cover
  • the hollow pile 2 is filled with water 14.
  • the water 14 serves as a heat source and heat sink as well as to convey an effective heat exchange with the ground.
  • the heat exchanger 4 is a (plastic) tube, which is helically wound in the hollow pile 2.
  • Two pipes, which represent a flow 18 and a return 20 of the cooling circuit 5, are led out of the hollow pile 2 through the inspection cover 13.
  • the heat exchanger 4 is arranged in the region of the lower end 11 in the hollow pile 2.
  • a temperature stratification of the water 14 sets, whereby at the lower end 1 always the lowest water temperature, in particular a constant, seasonal independent temperature of about 8 ° C prevails.
  • the highest temperature which has certain temporal variations as a function of the season and the introduced heat, on the other hand adjusts itself at the upper end 9.
  • the heat exchanger 4 and its helical windings are fixed in the embodiment of FIG. 2, for example, on the inner wall of the hollow pile 2.
  • the heat exchanger 4 deviating therefrom attached to a frame 22.
  • the frame 22 is formed by a central vertical tube 23 which is supported on the inner wall of the hollow pile 2 via transverse arms 24, at the ends of which rollers 26 are arranged.
  • the heat exchanger 4 can be easily inserted into the hollow pile 2 and removed for repair purposes and, if necessary, necessary retrofitting from the hollow pile 2.
  • an extinguishing water intake pipe 28 is arranged in the hollow pile 2, which extends to the lower end 11 of the hollow pile 2.
  • the hollow pile 2 additionally serves as an extinguishing water reservoir.
  • the extinguishing water intake pipe 28 is suitably fixed to the frame 22.
  • FIG. 4 shows a further exemplary embodiment of the thermal management system 1, in which a second heat exchanger 30 is arranged in the hollow pile 2.
  • the second heat exchanger 30 is connected to a second (heat) circuit, which is operated as a heating circuit 32.
  • the heat exchanger 30 is arranged for this purpose in the region of the upper end 9, so that this is always in the range of the highest water temperatures.
  • a third heat exchanger 34 is arranged in the hollow pile 2.
  • the heat exchanger 34 is connected to a third circuit, which is operated as a so-called (intermediate) storage circuit 36.
  • the heat exchanger 34 serves to transfer residual heat, which originates for example from a solar thermal system, in the water 14 of the hollow pile 2, so that the residual heat in the hollow pile 2 and the hollow pile surrounding the ground 2 is cached.
  • the heat exchanger 34 is arranged between the heat exchanger 4 and the heat exchanger 30.
  • the heat exchangers 30 and 34 are arranged in the hollow pile 2 at a distance of, for example, about 1 m. Between the heat exchangers 4 and 34, the distance is significantly greater. This ensures that an optionally present heat input through the storage circuit 36 does not affect the low water temperatures in the region of the lower end 11 or at least only negligibly.
  • the heat exchangers 4, 30 and 34 are mounted on the frame 22 for ease of installation and maintenance.
  • the fire water intake pipe 28 is arranged in the hollow pile 2.
  • the fire water intake pipe 28 is, comparable to the embodiment of FIG. 3, attached to the frame 22 and extends to the lower end 11 of the hollow pile. 2
  • the removable frame 22 makes it possible in particular to retrofit an existing hollow pile at a later time with further heat exchangers.
  • the hollow pile 2 is thermally insulated from the ground by means of an insulation layer 37.
  • the insulation layer 37 is applied over approximately one third of the length L in the upper region of the hollow pile 2 on the outside thereof.
  • FIG. 8 shows a further exemplary embodiment of the thermal management system 1, wherein a plurality of hollow piles 2 (only two visible in FIG. 8) are used for pile foundation of the industrial plant 7 as so-called foundation piles.
  • the hollow piles 2 are embedded below the building of the industrial plant 7 in the ground.
  • the industrial plant 7 is placed with a foundation 38 on the hollow piles 2.
  • a supply passage 40 is arranged between the hollow piles 2.
  • the supply passage 40 serves in conjunction with a leading to each hollow pile 2 inspection passage 42 for guiding the cooling circuit 5 on the one hand and for maintenance and repair purposes on the other.
  • the respective hollow piles 2 thus have a lateral inspection opening.

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

Abstract

L'invention concerne un système de gestion de chaleur (1) qui comprend : un premier circuit d'échange thermique (5) pour un fluide caloporteur et au moins un pieu creux (2) rempli de liquide (14) qui est enfoncé dans le sol. Le pieu creux (2) présente une longueur L sensiblement plus grande, que sa largeur (D), et le pieu creux (2) est orienté, dans sa direction longitudinale, sensiblement perpendiculairement à la surface (10) du sol. Par ailleurs, le système de gestion de chaleur (1) comprend un premier échangeur de chaleur (4) qui est placé dans le pieu creux (2) et raccordé au premier circuit d'échange thermique (5). Le premier échangeur de chaleur (4) peut être parcouru par le fluide caloporteur pour transmettre la chaleur entre le liquide (14) et le premier circuit d'échange thermique (5).
PCT/EP2013/001625 2012-06-27 2013-06-04 Système de gestion de chaleur WO2014000852A1 (fr)

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DE202012006244U DE202012006244U1 (de) 2012-06-27 2012-06-27 Wärmemangementsystem
DE202012006244.1 2012-06-27

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WO2014000852A1 true WO2014000852A1 (fr) 2014-01-03

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CN105546615A (zh) * 2016-02-17 2016-05-04 陆玉正 一种聚光光伏光热与地热能热电联供装置

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FI123879B (en) 2011-11-04 2013-11-29 Stn Super Travel Net Oy Solar collector
EP2873940A1 (fr) * 2013-11-15 2015-05-20 STN Super Travel Net Oy Stockage d'énergie renouvelable
FR3017449A1 (fr) * 2014-02-12 2015-08-14 Optim Logic Installation hybride de chauffage/refroidissement mettant en œuvre un procede geothermique
CN105040679B (zh) 2015-08-12 2016-08-31 河海大学 一种埋设于预制管桩桩内的传热管及其埋设方法

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DE3006380A1 (de) * 1980-02-20 1981-09-03 Max 7965 Ostrach Lang Doppelwaermetauscher fuer luft oder erdreich
DE3913429A1 (de) * 1988-05-19 1989-11-23 Naegelebau Ges M B H & Co Erdkollektor zur erdwaermegewinnung und zur waermespeicherung im erdreich sowie verfahren zur errichtung eines erdkollektors
DE202004006853U1 (de) * 2003-07-31 2004-08-26 Vögerl, Albert Gebäude-Klimatisierungssystem
JP2009162459A (ja) * 2008-01-10 2009-07-23 Jfe Steel Corp 地中熱交換器
EP2302311A1 (fr) * 2008-04-30 2011-03-30 Daikin Industries, Ltd. Échangeur thermique et système de conditionnement d'air
US20110100587A1 (en) * 2009-11-05 2011-05-05 Tai-Her Yang Vertical fluid heat exchanger installed within natural thermal energy body
EP2372271A1 (fr) * 2008-12-19 2011-10-05 Daikin Industries, Ltd. Échangeur de chaleur géothermique et système de climatisation l'utilisant

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3006380A1 (de) * 1980-02-20 1981-09-03 Max 7965 Ostrach Lang Doppelwaermetauscher fuer luft oder erdreich
DE3913429A1 (de) * 1988-05-19 1989-11-23 Naegelebau Ges M B H & Co Erdkollektor zur erdwaermegewinnung und zur waermespeicherung im erdreich sowie verfahren zur errichtung eines erdkollektors
DE202004006853U1 (de) * 2003-07-31 2004-08-26 Vögerl, Albert Gebäude-Klimatisierungssystem
JP2009162459A (ja) * 2008-01-10 2009-07-23 Jfe Steel Corp 地中熱交換器
EP2302311A1 (fr) * 2008-04-30 2011-03-30 Daikin Industries, Ltd. Échangeur thermique et système de conditionnement d'air
EP2372271A1 (fr) * 2008-12-19 2011-10-05 Daikin Industries, Ltd. Échangeur de chaleur géothermique et système de climatisation l'utilisant
US20110100587A1 (en) * 2009-11-05 2011-05-05 Tai-Her Yang Vertical fluid heat exchanger installed within natural thermal energy body

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105546615A (zh) * 2016-02-17 2016-05-04 陆玉正 一种聚光光伏光热与地热能热电联供装置

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