Early warning device for fire pipe burst in long underwater traffic tunnel

Abstract

The invention discloses a pipe explosion early warning device for a firefighting pipe in a long and large underwater traffic tunnel, and relates to the technical field of underwater traffic tunnels. The device comprises an early warning control center, a firefighting stabilized pressure pump starting frequency monitoring system and a waste water discharge information monitoring system; a display is connected with a computer host, the computer host is connected with an alarm device and a printer by cables respectively, one end of a stabilized pressure pump starting frequency counter is connected with a stabilized pressure pump system by a cable, the other end of the stabilized pressure pump starting frequency counter is connected with the computer host by a cable, and both the firefighting stabilized pressure pump starting frequency monitoring system and the waste water discharge information monitoring system are connected with the early warning control center by cables. Firefighting pipe network leakage is discovered, early warned and overhauled in time by monitoring the firefighting stabilized pressure pump starting frequency and the waste water discharge information, so that expansion of the firefighting pipe network leakage is prevented and the purpose of effectively controlling firefighting pipe explosion is finally fulfilled.

Description

technical field [0001] The invention relates to the technical field of underwater traffic tunnels, in particular to an early warning device for bursting of fire-fighting water pipes in long underwater traffic tunnels. Background technique [0002] Long underwater traffic tunnels are usually long in length, deeply buried, and large in section. Such tunnels are equipped with fire water supply systems outside. The fire protection system of underwater traffic tunnels is very large and complex, with a large number of valves and joints of various pipe fittings, and these fire protection systems are in a quasi-working state for a long time, and the fire protection pipe network is always filled with pressurized water (hydrostatic pressure ≥ 0.25Mpa). Under the action of pressure, these pipe fittings, valves and pipe connections become the weak links in the sealing of the pipe network system and are prone to leakage. For underwater traffic tunnel projects that have been in operation...

AI Technical Summary

Problems solved by technology

For underwater traffic tunnel projects that have been in operation for many years, due to the long-term immersion of fire-fighting pipelines, the leakage caused by local corrosion is difficult to be found in time. If these small leakage points are not repaired in time, it is easy to cause serious consequences such as pipe bursts

[0003] However, the current regulations only specify that “check and record the pump stop pressure and the number of pump starts every day”, and there is no requirement for the monitoring of the pump start frequency of the stabilized pump, and most of the current fire protection systems are not equipped with a stabilized pump Continuous monitoring equipment, the operation status of the pipe network is limited by the technical level of maintenance and management personnel, local leakage is often not found in time, and the traditional management mode can only be discovered when the leakage is serious, which has a great impact on the accident. There is a lag in discovery and treatment

[0004] In summary, real-time monitoring of the leakage of the fire protection pipe network system in long underwater traffic tunnels is of great significance, but there is still a lack of effective technical support in this regard

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