FIRE VENTILATION AND SMOKE DISCHARGE SYSTEM AND METHOD FOR STATION HALL OF SEPARATED ISLAND SUBWAY UNDERGROUND STATION

The present invention discloses a fire ventilation and smoke discharge system and method for a station hall of a separated island subway underground station, wherein the ventilation and smoke discharge system comprises two station halls that are separated from each other, each station hall comprising two adjacent smoke-proof partitions, which communicate with opposing smoke-proof partitions of another station hall through channels, wherein each of the smoke-proof partitions is provided with an air supply sub-system and a smoke discharge sub-system in a one-to-one correspondence manner, an air supply pipe of the air supply sub-system is arranged in a smoke-proof partition corresponding to the air supply sub-system and a channel in communication with the smoke-proof partition; and a smoke discharge pipe of the smoke discharge sub-system is arranged in a smoke-proof partition corresponding to the smoke discharge sub-system and a channel in communication with the smoke-proof partition.