EP1960605B1 - Quai dote d'un controle de la temperature - Google Patents

Quai dote d'un controle de la temperature Download PDF

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Publication number
EP1960605B1
EP1960605B1 EP06819020A EP06819020A EP1960605B1 EP 1960605 B1 EP1960605 B1 EP 1960605B1 EP 06819020 A EP06819020 A EP 06819020A EP 06819020 A EP06819020 A EP 06819020A EP 1960605 B1 EP1960605 B1 EP 1960605B1
Authority
EP
European Patent Office
Prior art keywords
platform
heat
pipe system
slabs
return
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.)
Not-in-force
Application number
EP06819020A
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German (de)
English (en)
Other versions
EP1960605A1 (fr
Inventor
Helmut Dörr
Reiner Wittig
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.)
Frenzel Bau & Co KG GmbH
Original Assignee
Frenzel Bau & Co KG GmbH
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 Frenzel Bau & Co KG GmbH filed Critical Frenzel Bau & Co KG GmbH
Priority to PL06819020T priority Critical patent/PL1960605T3/pl
Publication of EP1960605A1 publication Critical patent/EP1960605A1/fr
Application granted granted Critical
Publication of EP1960605B1 publication Critical patent/EP1960605B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F1/00—Construction of station or like platforms or refuge islands or like islands in traffic areas, e.g. intersection or filling-station islands; Kerbs specially adapted for islands in traffic areas
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/24—Methods or arrangements for preventing slipperiness or protecting against influences of the weather
    • E01C11/26—Permanently installed heating or blowing devices ; Mounting thereof

Definitions

  • the invention relates to a modular platform with laid over a cavity grid-like Laufplatten and its use in combination with a geothermal heating.
  • WinnerWay German word mark
  • the necessary infrastructure is used as a heat collector, including parking lots, airfields, bridges, and roads.
  • These traffic areas collect solar heat, which is stored in deep groundwater layers. It is used for heating in winter by means of a heat exchanger and by "reverse thrust” in summer for cooling. "Sustainably generated heat or cold can be stored over a long period of time and recalled as needed, thereby conserving fossil energy.
  • the system must be planned from the outset, a subsequent installation is currently not profitable. Under the respective similar to a floor heating a special pipe system is laid. This leads the absorbed solar heat down to groundwater leading sand layers.
  • This groundwater serves as a so-called aquifer storage.
  • the pipelines form a self-contained system that taps this reservoir via deep wells. Heat exchangers are removed via heat exchangers as needed.
  • the hot water source heats up to 20 to 25 degrees, the cold water source cools to 6 to 8 degrees.
  • the document DE 2913151 A1 shows a method for keeping clear or defrosting open spaces such as traffic areas of snow and ice covering by heating the open space by means of a laid under it, from a free surface heating medium, especially groundwater, under the action of a circulating through-flow pipe system.
  • Cost-effective tubular surface heating includes tubes coated with a substance that does not allow bonding between the tube surface and screed or facing material, and at the turn or turn locations of the tubes for the tubes, a clearance is provided.
  • the tubes are provided with a film or paint which prevents this friction and makes the tubes correspondingly lubricious.
  • a road heating system powered by geothermal energy with surface covering in the roadway and heat-conducting
  • Known heat pipes are known, each having a directly below the road surface extending condensation zone and one in the depth of the soil extending evaporation zone for a heat transfer medium located in the heat pipes, also with sensors for detecting the relevant for the road condition climatic factors and a controller for climate-dependent intervention in the heating system.
  • the heat transfer performance of the heat pipes should be controlled by a reversible blockage of the condensation zones of the heat pipes and the blockage in dry cold be effected by the directly adjustable from the outside direct supply of an inert gas in the condensation zones of the heat pipes.
  • WO 2005/045134 A1 From the WO 2005/045134 A1 is a platform edge known to be heated by geothermal energy as a heat source by distributing pipes with gradients, which pull through the platform edge, should lead to a well bore.
  • the pipe system should essentially have capillary tubes, which are filled, for example, with CO 2 as the heat transfer medium and circulated by means of pumps.
  • EP 0357161 B1 is a prototype of widespread modular platforms with cavity for a pipeline under a plated runway, which consists partly of precast concrete known.
  • On transverse to the web platform axis arranged concrete bases are parallel longitudinal members, on which, in a gap forming distance, resting plates, which cover the longitudinal members transversely.
  • the document DE 43 08 748 A1 shows a modular platform made of reinforced, prefabricated running plates, in which heating tube are provided.
  • the invention is based on the problem of proposing an improved platform that remains free of ice outdoors in winter low operating costs and only slightly increased construction costs for the modular design of the platforms.
  • the solution includes a modular platform with laid over a cavity grid-like running plates, which are prefabricated as precast concrete, the precast concrete parts are provided with a reinforcement slightly above the middle of the thickness of the running plate, the reinforcement substantially covers a pipe system for guiding a heat transfer medium and the pipe system laid in the run plates in horizontal spirals, loops or meanders, with flow and return connection elements of the pipe system are arranged at the same location of the run plates.
  • the utilization concept envisages geothermal energy as a natural regenerative energy source for ice and snow clearance of the platform surfaces. This means that no additional energy is used to generate heat. Only for the brine circulating pump, which circulates the heat transfer medium, additional electrical energy is needed.
  • the platform surface is at a more or less constant temperature level> 0 by means of geothermal energy ° C, so that it can not come to ice. The conventional manual winter service can therefore be completely eliminated.
  • the heat energy necessary for heating the platform can be obtained in various ways.
  • a system variant is based on the use of the substrate (so-called aquifer storage) as a seasonal heat storage, with the solar irradiation on aboveground structures (eg platforms) provides the energy input into the system.
  • geothermal probes are used for heat energy recovery.
  • the geothermal probes are today usually made of polyethylene (PEHD) piping, which are installed in boreholes and take over the function of geothermal heat exchangers between rock and circulating heat transfer.
  • PEHD polyethylene
  • a pipe system is laid, which performs a function similar to a floor heating and distributes the heat evenly over the platform slabs. From there, the heat transfer medium is pressed back into the geothermal probes via the pump installed in a company building and via the return manifold and the circuit is closed.
  • the heat generated by solar radiation on the plate surface is dissipated by the circulating heat transfer medium into the ground.
  • this heat is released to the surrounding rock and stored there.
  • the stored heat in the rock can be used to heat the above-ground structures.
  • the holes are arranged along the platform. To monitor the rock temperatures in the underground, temperature sensors are placed in the borehole in parallel with the installation of the geothermal probe.
  • the heat transfer medium (brine) is a mixture of water and food-safe monoethylene glycol (antifreeze type Tyfocor L).
  • the brine mixture is adjusted so that frost protection is guaranteed up to - 25 ° C. This corresponds to 45% Tyfocor L antifreeze. Since the entire water cycle is a closed system, there is no direct contact with the ground.
  • double-U probes are used. These are, for example, four tubes that run parallel in the borehole and are connected in pairs at the bottom of the probe foot. The connection is made via a factory-welded V-shaped connecting part. Thus, two lines serve as return to the probe foot and the other two lines as a flow to the probe head.
  • each of the return and the flow lines via a "trouser piece" (Y-piece) connected to each other and performed in a trench for flow or return manifold, Within the trench therefore run up to 10 flow and return lines between geothermal probes and corresponding distributor , In this case, the flow lines are each made isolated.
  • the maximum trench width is 0.85 m, with a excavation depth of 1.2 m.
  • the flow distributor bundles the flow lines coming from the geothermal probes and distributes the heat transfer flow to the three heating circuits.
  • the return manifold distributes the heat transfer again to the individual return lines that lead to the geothermal probes.
  • the platforms are connected directly via corresponding supply lines (supply line).
  • supply line supply lines
  • platform A is connected via a pipe, eg ⁇ 63 mm.
  • Platform B is also supplied via a supply line. Underneath the respective platform, these cables pass into an insulated double conductor, eg ⁇ 184 mm (2 x ⁇ 63 mm).
  • Heating pipes ⁇ 20 mm are installed in the platform itself, i.
  • Each of the platform slabs, manufactured as precast concrete, has such a pipe register integrated in the precast concrete factory.
  • the tube registers are supplied in the plates with the heat transfer medium.
  • the supply and return lines for the platform slabs are each led out below the running plates on this and in the insulated duo line 0 184, which acts as a manifold for each flow and return involved.
  • Halfen rails are attached to the underside of the base plate at a distance of 1.25 m at the edge and in the middle of each platform. All lines are attached by means of pipe clamps to these Halfen rails.
  • the individual platform slabs thus represent individual heating circuits connected in parallel, each of which has a separate connection to the entire system.
  • the pipe arrangement is made according to the so-called Tichelmann system, also known as the "system with the same path lengths".
  • the pipes are arranged in the Tichelmann system so that each water particle has to travel the same distance, no matter which path it takes.
  • another uninsulated return line 0 75 mm is required per platform A and B, which are also installed below the platforms and lead to the operating building with the pump.
  • This system has the advantage that a complicated and in this case, valve-consuming hydraulic balancing can be completely eliminated.
  • the pipe register 0 20 mm are cast in directly in the precast concrete parts of the platform.
  • the horizontal laying distance of the pipes within a platform slab is approx. 25 cm.
  • the laying depth below the plate surface is approx. 6 cm.
  • the pipes are attached to the reinforcement mats below the upper reinforcement. This attachment allows to dispense with free spaces and expansion arches according to the prior art.
  • the position and the course of the pipelines are also schematically drawn.
  • special areas, the position and course of the pipelines are recorded in the formwork and reinforcement plans of the individual panels.
  • a track plate / crizbahnslessnessplatte is documented, which represents the course of the heating pipes in the plate and the connection of the platform slabs to the inlet and outlet pipes.
  • the heating pipes are laid helically / meandering.
  • the pipes are installed in the platform prefabricated panels in the production plant on the basis of preliminary planning. On site, only the supply and return lines in the platform cavity and their connection to the pipe register in the platform slabs are made.
  • All supply lines are designed as district heating pipes with appropriate thermal insulation to minimize heat loss.
  • the Near-surface pipeline routing takes place in trenches underfloor to the probes. These trenches are also used for the cable routing of the various measuring / control sensors.
  • the polyethylene (PEHD) used to manufacture the geothermal probes has a very high temperature and corrosion resistance as well as chemical resistance and has a long creep rupture strength (at least 50 years). Based on the existing long-term experience with the material in the area of buried gas and water pipes, it is known that PEHD in the soil offers permanent plant safety.
  • the boreholes are pressed with a bentonite-cement suspension.
  • All supply and return pipes including the piping in the platform slabs are made of high-quality PE-Xa material, which is characterized by an even higher creep strength and robustness (eg no crack propagation) compared to the PEHD material. This allows direct burial of pipelines without the use of conduits and sandbed. In the expected operating temperature range of the heating system, the pipes used are diffusion-tight.
  • the system goes into operation. It continuously extracts heat from the platform surfaces or run plates and leads them to the geothermal heat storage. The temperature in the geothermal heat storage increases. Some of this amount of energy "flows" as losses e.g. with the groundwater from the store.
  • the control of the system is optimized so that heat can be obtained at the highest possible temperature level with minimum runtime with the highest possible extraction power.
  • the optimization takes place on the basis of the recorded temperatures in the form that the to be conveyed Volume flow can be adjusted by means of the speed-controlled pump. This means that a corresponding curve is created for the pump analogously to a heating characteristic, after which the pump is driven.
  • the aim of this optimization within 2 years is to remove only so much heat from the storage tank during the winter for heating purposes as absolutely necessary and thus to prevent unnecessary cooling down of the substrate.
  • the system starts operation when the mean railway temperature falls below 3 ° C and switches off when it is again greater than 3 ° C.
  • the system first switches to a base load operation, which prevents the platform from cooling down.
  • the pumping capacity is increased according to the outside temperature into peak load operation.
  • the operating parameters of the system are optimized in the first two years of operation. A test and "run-in operation" can be carried out while the rail service is running.
  • Two platforms each with a length of 90 m and a width of 2.5 m as well as a ramp system (about 170 m 2 ) are considered.
  • the total area of the open space to be heated is 620 m 2 .
  • For ramps, an additional 25 special plates are produced whose layout deviates in shape and size from the rule platform plates / plates.
  • the heating pipes of the surface heating can be installed relatively close to the plate surface. Compared to conventional open space heaters this has the particular advantage that high specific heat quantities can be transmitted to the component surface with relatively low flow temperatures.
  • the basis for the thermal activation of the soil is assumed to be the attainable depths of the possible heat yield by means of geothermal probes at 50 W / m probe length (literature value, for example, for greywacke / slate according to VDI 4640).
  • the heating pipes are mounted in the form of a parallel / screw laying in the concrete platform slab and connected to the already described manifolds.
  • the headers flow into the industrial distributors.
  • the pump necessary to overcome the pressure losses and to convey the volume flow has been calculated on the basis of the previously calculated data with manufacturer-specific programs.
  • sufficient meter instrumentation is provided with temperature and media data flow data.
  • a process controller uses a frequency converter to regulate the speed and thus also the pump output as a function of the measured rail temperature.
  • An additional ice detector with snow and ice probe is superimposed on the process controller and switches the output level or the delivery rate for the pump at ice speed to 100% speed via the process controller.
  • the ongoing operating costs can only be estimated approximately in advance; because at this time no reliable information about the running times of the pump, maintenance costs etc. can be made.
  • the total cost of ownership is about 2,800 EUR per year, an extremely low value.
  • the costs incurred are the following annual savings for winter service and platform cleaning / train cleaning by contamination with road salt and grit.
  • the service life of the platform slabs is extended by about 30% because the concrete is no longer exposed to extreme temperature fluctuations.
  • the system cools the panels in summer and warms them in winter. Frost and thawing damage, as they occur in conventional winter service, eliminated.
  • the pollution of the environment with road salt is eliminated.
  • a new breakpoint or platform 1 is being built.
  • This type of platform is described in detail in the European patent specification EP 0 357 161 B1 .
  • hump-shaped cross member 12 are arranged at intervals to each other, which serve as a bearing for longitudinal beams 13.
  • Running plates 14 are arranged on the longitudinal beams 13, these are transversely superior to the formation of an escape niche.
  • a railing 16 and a lighting 17 can be arranged on the running plates themselves or through them. In the foundation is still a drainage line 18 can be seen.
  • a geothermal probe 30 From a geothermal probe 30 or a plurality of such probes, which are connected in series, is a pipe system 31, which is performed in parallel in a pipe trough with the interposition of thermal insulation to platform 1, a piping system 31, for example via a pump in the platform 1 is performed as a double pipe 33 with flow and return and an additional return 32.
  • FIG. 3 shows an enlarged situation of FIG. 1 ,
  • a running plate 141 is placed transversely.
  • a double tube 33 and a return pipe 32 on a Halfenschiene 145, which was poured into the running plate 141, out hanging.
  • V / R a supply and a return is guided in the plate, there designated V / R.
  • FIG. 4 shows the concrete position of the flow and return in the run plate 141, which is a reinforcement cage 148 is provided.
  • This reinforcement cage has at least one upper reinforcement layer 147 and thus covers the supply and return of the geothermal heating system, which was supplied from the pipe 33 of the running plate 141.
  • FIG. 2 schematically shows the geothermal system in the field of thermally connected parallel running plates.
  • the conduit 33 and the conduit 32 are shown in parallel next to the running plates 141, 142, 143, 144 for the sake of clarity.
  • the pipeline 33 consists of two tubes, which are insulated from each other and are led to a jacket tube, wherein one of these tubes serves as a feed V and the second as a return R.
  • the supply and the return are always inserted in the same place in the plate and there in a system horizontally guided in meanders through the plate.
  • the flow of the tube register is only to be seen as a dash, if you follow this through the plate, you realize that you end up in the return R at the end of this line.
  • the return R are again at the end of the platform with a return line 32 coupled to ensure a corresponding fast outflow of the return.
  • Halfen rails 145 are recessed, which protrude down from the run plates and how FIG. 3 can serve as a holder for the pipe system in the cavity 15.
  • a place 146 may also be provided within the panel, for example, for a lighting mast from the factory. Then only the pipe loop is guided slightly differently, as can be clearly seen on the plate 144.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
  • Central Heating Systems (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Inorganic Insulating Materials (AREA)
  • Gloves (AREA)
  • Non-Reversible Transmitting Devices (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Telephone Function (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Vehicle Body Suspensions (AREA)

Claims (6)

  1. Quai modulaire (1) avec des plaques de circulation (14, 141, 142, 143, 144) posées en carreaux par-dessus un espace creux (15), ces plaques de circulation étant des éléments préfabriqués en béton, ces éléments préfabriqués en béton étant pourvus d'une armature (147) un peu au-dessus du centre de l'épaisseur de la plaque de circulation et l'armature recouvrant sensiblement un système de tuyaux destinés à véhiculer un agent caloporteur, caractérisé en ce que le système de tuyaux est posé en spirales, boucles ou méandres horizontales dans les plaques de circulation, les éléments de raccordement de l'alimentation et de la recirculation (V, R) du système de tuyaux étant toujours disposés au même endroit sur les plaques de circulation.
  2. Quai selon la revendication 1, caractérisé en ce que les éléments de raccordement pour l'alimentation et la recirculation du système de tuyaux sont disposés au même endroit en dessous des plaques de circulation de manière à déboucher dans l'espace creux.
  3. Quai selon la revendication 1 ou 2, caractérisé en ce que l'armature est double ou est conformée en forme de panier (148) en section transversale et qu'elle entoure le système de tuyaux dans la plaque de circulation.
  4. Quai selon l'une quelconque des revendications précédentes, caractérisé en ce que les plaques de circulation sont pourvues de rails Halfen (145) s'étendant en saillie vers le bas et faisant office de fixations pour l'alimentation et la recirculation du système de tuyaux.
  5. Quai selon l'une quelconque des revendications précédentes, caractérisé en ce que les conduites d'alimentation et de recirculation (32, 33) mènent à une pompe et à une sonde géothermique (30) dans l'espace creux, dans le sens de la longueur du quai.
  6. Utilisation d'une surface de quai comme collecteur solaire thermique en été, dissipation de la chaleur dans un accumulateur thermique souterrain et récupération de la chaleur en hiver pour chauffer la surface du quai en utilisant un quai selon l'une quelconque des revendications précédentes.
EP06819020A 2005-12-12 2006-12-12 Quai dote d'un controle de la temperature Not-in-force EP1960605B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06819020T PL1960605T3 (pl) 2005-12-12 2006-12-12 System kontroli temperatury peronu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005059666 2005-12-12
PCT/EP2006/011940 WO2007068442A1 (fr) 2005-12-12 2006-12-12 Trottoir roulant dote d'un controle de la temperature

Publications (2)

Publication Number Publication Date
EP1960605A1 EP1960605A1 (fr) 2008-08-27
EP1960605B1 true EP1960605B1 (fr) 2009-09-30

Family

ID=37814501

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06819020A Not-in-force EP1960605B1 (fr) 2005-12-12 2006-12-12 Quai dote d'un controle de la temperature

Country Status (7)

Country Link
EP (1) EP1960605B1 (fr)
AT (1) ATE444401T1 (fr)
DE (1) DE502006005008D1 (fr)
DK (1) DK1960605T3 (fr)
PL (1) PL1960605T3 (fr)
RU (1) RU2008128131A (fr)
WO (1) WO2007068442A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1658491B2 (de) * 1967-06-02 1975-11-06 Gerd 8191 Achmuehle Kessinger Vorrichtung zum Beheizen von Verkehrsflächen
DE3407927A1 (de) * 1984-03-03 1985-09-05 Hans Prof. Dipl.-Ing. 8200 Rosenheim Krinninger Anordnung zum beheizen und/oder kuehlen einer schicht aus insbesondere bituminoesen baustoffen, deren verwendung sowie verfahren zum herstellen eines beheizbaren und/oder kuehlbaren verkehrsweges
EP0357161B1 (fr) * 1988-08-01 1992-10-28 Otto Frenzel Bauunternehmen Quai ferroviaire
DE4308748A1 (de) * 1992-10-15 1994-04-21 Stelcon Ag Bahnsteig
JP2004011230A (ja) * 2002-06-06 2004-01-15 Nippon Kido Kogyo Kk プラットホームの融雪装置

Also Published As

Publication number Publication date
RU2008128131A (ru) 2010-01-20
DK1960605T3 (da) 2010-02-15
WO2007068442A1 (fr) 2007-06-21
PL1960605T3 (pl) 2010-03-31
EP1960605A1 (fr) 2008-08-27
DE502006005008D1 (de) 2009-11-12
ATE444401T1 (de) 2009-10-15

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