Filling material comprising graphite for ground heat exchanger

The filling material for a ground heat transmitter comprises up to 50 per cent by weight of powder or granulate-form graphite or distended graphite with granule sizes between 0.001mm and 1 mm. A ground heat probe accumulator is pushed into the ground (1), lying freely beneath a cultivated earth area...

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Bibliographische Detailangaben
Hauptverfasser:	FRICKE, JOCHEN, DR, ESSER, PETER, HAHN, THORSTEN, EBERT, HANS-PETER, MAERTEN, ANDREAS, DRACH, VOLKER
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ARTIFICIAL STONE BLASTING CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION HEAT EXCHANGE IN GENERAL HEATING LIGHTING LIME, MAGNESIA MECHANICAL ENGINEERING METALLURGY RANGES REFRACTORIES SLAG TREATMENT OF NATURAL STONE VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	The filling material for a ground heat transmitter comprises up to 50 per cent by weight of powder or granulate-form graphite or distended graphite with granule sizes between 0.001mm and 1 mm. A ground heat probe accumulator is pushed into the ground (1), lying freely beneath a cultivated earth area (2). Then, various earth bores (3) are sunk, space apart by 1.5 to 2.5 m, the bore diameter being 20 cm and the bore depth 50 to 70 m. All bore holes accommodate U-shaped probes, U-shaped pipe conduits (4) being used. The pipe conduits form part of a network and are connected to a heat collector, suitable heating bodies and a hot water tank. One conduit part (5) forms the forward flow and another conduit part (7) the back flow of the network. A heat insulation (8) protects against excessive heat loss upwards.