Fire simulation system for large-crosssection immersed tube tunnel

The invention discloses a fire simulation system for a large-crosssection immersed tube tunnel. The fire simulation system comprises an experimental oil tray and an oil supplying device, wherein the oil supplying device comprises an oil pool and an oil supplying pump which is used for conveying fuel oil in the oil pool to the experimental oil tray. According to the fire simulation system, a real fire scene is simulated and monitored by adopting a simulated tunnel structure, and a real fire scene of the tunnel is simulated under laboratory conditions, so that the acquisition of real fire data of the tunnel under various conditions is facilitated, disaster avoidance or timely emergency treatment with pertinence is facilitated, and an important theoretical basis is provided for the construction and fire control of the tunnel.