Group type air and smoke exhaust system for underground garage

• Main Authors: ZHAO JIAJU, HOU HAILIN, FENG YUAN, LIANG XIAODAN, SHEN WEI, LI XUNTAO
• Format: Patent
• Language: Chinese; English
• Published: 03.03.2023
• Subjects: AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING; BLASTING; BUILDING; BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; FENCING; FIXED CONSTRUCTIONS; HEATING; LIGHTING; MASTS; MECHANICAL ENGINEERING; RANGES; SWIMMING OR SPLASH BATHS OR POOLS; TENTS OR CANOPIES, IN GENERAL; VENTILATING; WEAPONS

The utility model provides an underground garage group type air and smoke exhaust system which is characterized in that a garage is provided with a plurality of smoke prevention subareas, each smoke prevention subarea is internally provided with a plurality of fan rooms, fans are arranged in the fan rooms, the air inlet ends of the fans are arranged on the peripheral sides or the bottom surfaces of the fan rooms, and the air outlet ends of the fans extend to the ground; the bottom of the fan room is higher than the garage bottom by a preset height; the distance between any nearest air inlet end in the smoke-proof subarea is not larger than 30 meters, and at least one carbon monoxide concentration detection point is arranged in the range of 30 meters corresponding to the periphery of each fan room in the smoke-proof subarea. The floor height of the garage can be effectively prevented from being occupied, pipeline installation is facilitated, garage manufacturing cost can be effectively reduced, and the garage