Energy Tunnel Layer Buried Geothermal Energy Heat Exchange System
A technology of heat exchange system and tunnel layer, applied in the field of buried geothermal energy heat exchange system of energy tunnel layer, can solve the problems of delaying the construction period, extracting, increasing the construction cost of the project, saving construction period, saving construction cost, replacing High thermal efficiency
Active Publication Date: 2019-05-31
SHAOXING UNIVERSITY +1
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Problems solved by technology
[0003] In order to overcome the problems that the existing tunnel surrounding rock geothermal water collection technology cannot be applied to the extraction of the tunnel’s full-section surrounding rock geothermal energy, and the laying of heat exchange pipelines will increase the construction cost of the project and delay the construction period, the present invention provides an applicability Energy tunnel layer buried geothermal energy heat exchange system with good performance, higher heat exchange efficiency, cost saving and construction cycle saving
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Embodiment Construction
[0021] The present invention will be further described below in conjunction with the accompanying drawings.
[0022] refer to Figure 1 ~ Figure 4 , an energy tunnel layer-buried geothermal energy heat exchange system, the tunnel includes a tunnel primary lining 1, a tunnel secondary lining 4, a tunnel invert and a road surface 15, above the road surface 15 are the tunnel primary lining 1 and the tunnel secondary lining 4, Below the road surface is a backfill layer 12, the backfill layer 12 is located on the tunnel invert, heat exchange is set between the tunnel primary lining 1 and the tunnel second lining 4, and between the tunnel invert and the backfill layer 12 Layer 3, the heat exchange layer 3 above and below the road surface is connected by a conversion joint 6, the water inlet 9 of the heat exchange layer 3 communicates with the water supply pipe 7, and the water return port 10 of the heat exchange layer 3 communicates with the return water pipe 8 The water supply pip...
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The invention discloses an energy tunnel layer embedded ground temperature energy heat exchange system. A tunnel comprises a tunnel primary lining, a tunnel secondary lining, a tunnel inverted arch and a pavement. The tunnel primary lining and the tunnel secondary lining are arranged above the pavement. A backfill layer is arranged below the pavement and located on the tunnel inverted arch. Heat exchange layers are arranged between the tunnel primary lining and the tunnel secondary lining and between the tunnel inverted arch and the backfill layer. The heat exchange layers above and below the pavement are connected through an adapter substitute. A water inlet of each heat exchange layer communicates with a water supply pipe, and a water returning port of each heat exchange layer communicates with a water returning pipe. The water supply pipe and the water returning pipe are connected with a user end or a heat pump to form a closed circulation pipeline. The energy tunnel layer embedded ground temperature energy heat exchange system good in adaptability, higher in heat exchange efficiency and capable of saving cost and shortening the construction period is provided.
Description
technical field [0001] The invention relates to the field of tunnel surrounding rocks, in particular to an energy tunnel layer buried geothermal energy heat exchange system. Background technique [0002] The soil temperature within hundreds of meters of the shallow surface of the earth increases with depth, and the ground temperature rises by about 3-5°C every time the depth increases by 100 meters, and the ground temperature at 1,000 meters underground is about 40-50°C. Huge geothermal energy is stored in the surrounding rock of mountain tunnels. There are two existing technologies for extracting geothermal energy from the surrounding rock of the tunnel. One is to directly collect the geothermal water in the surrounding rock of the tunnel. This technology is a passive extraction technology, but this technology is only applicable to areas with abundant groundwater. Or in areas without groundwater, it cannot be applied; the other is to bury heat exchange pipes between the se...
Claims
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IPC IPC(8): F24T10/15E21D11/10E21D11/38
CPCE21D11/10E21D11/38F24T10/10Y02E10/10
Inventor 杜时贵张国柱夏才初雍睿韩常岭李玉文徐坚
Owner SHAOXING UNIVERSITY