Fire Tracing and Heat Tracing for Erlangshan Tunnel
Information source: Anhui Cable Group Views: 2698 Release time: 2017-11-24
Erlangshan Tunnel Fire Tracing and Heat Tracing: Erlangshan Tunnel is located in a high altitude area with steep terrain. The geological conditions are complex and the weather environment is harsh. Affected by the climatic environment, the tunnel is humid and cold most of the time, and it is easy to freeze when the temperature is low. In order to improve the rescue emergency capacity, it is particularly important that the fire pipelines in the tunnel are in a normal operating state for a long time. Electric heat tracing is one of the most effective methods to solve the freezing and thermal insulation of fire protection facilities in tunnels.
Due to the bad weather, the tunnel is humid and cold, and easy to freeze, which is not conducive to the emergency response of the fire protection pipeline. In order to ensure that icing does not occur in the daily operation of fire protection facilities, the rescue and emergency capacity of the Erlangshan Tunnel is improved. The construction party finally determined the fire-fighting electric heat tracing of the Wan cable tunnel by way of external bidding. In this solution, a series constant power heating cable is used to maintain the water temperature in the fire protection pipeline above 5 degrees Celsius. At present, the installation and commissioning work has been completed.
The role of tunnel fire tracing: The fire tracing of tunnel fire is a kind of electric heating application. Use electric heating cable or heating cable device to heat and heat the fire-fighting pipes and equipment in the tunnel to prevent the pipes and equipment from freezing in low temperature environment, and ensure the normal operation of fire-fighting facilities in the tunnel in daily life. Cases where electric heat tracing is often used in tunnels include: anti-freeze insulation of fire protection pipes and other facilities, and ice formation in tunnels.
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