Underground space fire simulation experimental apparatus

The utility model provides an underground space fire simulation experimental apparatus relates to security against fire technical field. Include, experiment tunnel, data acquisition system, burning things which may cause a fire disaster and automatic oil supplementing device, but the experiment tunnel includes rectangle tunnel movable baffle and arc cover, rectangle tunnel overall framework is angle steel welding component, and the tunnel wall face is equipped with fire prevention glass, and the arc cover is steel plate member, but the movable baffle of equipartition exhaust port set up on rectangle tunnel upper portion, but movable baffle passes through screw fixed connection with the rectangle tunnel, the bottom in rectangle tunnel is equipped with the burning basin, the bottom of burning basin is passed through the pipeline and is connected with automatic oil supplementing device, the exhaust port interval sets up, and an unit is constituteed to four exhaust ports, and through exhaust pipe and the connecti