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Cold region tunnel fire fighting pipeline solar energy-ground source heat pump united heat storage heating system

A technology of ground source heat pumps and fire-fighting pipelines, applied in water supply pipeline systems, water supply main pipelines, water supply devices, etc., can solve problems such as increased tunnel operation and management costs, limited service life of electric heat tracing, and freezing of fire-fighting water in winter, etc., to avoid The ground temperature drops year by year, the effect of saving initial investment and saving operating costs

Inactive Publication Date: 2013-05-08
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing electric heating technology for tunnel fire-fighting pipelines in cold regions can solve the problem of freezing of fire-fighting water in pipelines in winter, but this technology consumes a lot of electric energy, and the high operating costs bring a huge economic burden to tunnel operation and management
The service life of electric heat tracing is limited, and it needs to be replaced many times during the service life of the tunnel, which also increases the cost of tunnel operation and management

Method used

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  • Cold region tunnel fire fighting pipeline solar energy-ground source heat pump united heat storage heating system
  • Cold region tunnel fire fighting pipeline solar energy-ground source heat pump united heat storage heating system
  • Cold region tunnel fire fighting pipeline solar energy-ground source heat pump united heat storage heating system

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Embodiment Construction

[0019] see Figure 1 to Figure 5 , the solar-ground source heat pump combined heat storage heating system for tunnel fire-fighting pipelines in cold regions can be implemented in the following steps:

[0020] 1. After the blasting and excavation of the tunnel is completed, a bolt hole 11 is drilled into the surrounding rock 1, and the ground source heat pump heat exchanger 2 is directly installed in the hollow bolt in the bolt hole 11;

[0021] 2. Connect the inlet and outlet of the ground source heat pump heat exchanger 2 in each bolt hole 11 with the first water outlet main pipe 3 and the first water inlet main pipe 4 in parallel and connect with the ground source heat pump equipment 5 to obtain heat The ports are connected into a heat-taking loop;

[0022] 3. After the pipeline connection is completed, the primary tunnel lining 16 is applied, the waterproof board is laid and the secondary lining 17 is poured with concrete, and then the tunnel insulation layer 18 is applied...

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Abstract

The invention discloses a cold region tunnel fire fighting pipeline solar energy-ground source heat pump united heat storage heating system which comprises a solar energy heat collector, a heat-supplying pipeline, a ground source heat pump heat exchanger and ground source heat pump equipment. The solar energy heat collector and the ground source heat pump equipment are respectively connected with the ground source heat pump heat exchanger, and thus a heat storage loop and a heat-taking loop of surrounding rocks in the middle portion of a tunnel are respectively formed, the solar energy heat collector and the ground source heat pump equipment are respectively connected with the heat-supplying pipeline, and thus heat-supplying loops of fire fighting pipelines inside the tunnel are respectively formed. According to the cold region tunnel fire fighting pipeline solar energy-ground source heat pump united heat storage heating system, the ground source heat pump heat exchanger is mounted in a hollow rock bolt in the surrounding rocks in the middle portion of the tunnel to replace underground drilling holes needed by a traditional ground source heat pump buried pipe, and thus the land is not occupied, initial investment cost is saved, solar energy in summer is stored in the surrounding rocks of the tunnel to supply heat in winter, and thus solar energy cross-quarter utilization is achieved.

Description

technical field [0001] The invention relates to antifreeze and heat preservation for tunnels in cold regions, in particular to a solar energy-ground source heat pump combined thermal storage heating system for fire-fighting pipelines in tunnels in cold regions. Background technique [0002] In order to meet the fire-fighting water requirements of the tunnel, the fire-fighting pipes in the tunnel should be filled with water at all times. In severe cold regions, effective measures must be taken to prevent the fire-fighting water in the fire-fighting pipes from freezing. The existing electric heat tracing heating technology for tunnel fire-fighting pipelines in cold regions can solve the problem of freezing of fire-fighting water in pipelines in winter, but this technology consumes a lot of electric energy, and the high operating costs bring a huge economic burden to tunnel operation and management. Electric heat tracing has a limited service life and needs to be replaced many ...

Claims

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Application Information

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IPC IPC(8): E03B7/14
Inventor 张国柱夏才初刘松玉杜延军童立元李仁民
Owner SOUTHEAST UNIV
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