Abstract
As the traffic volume increases, the air quality in the tunnel decreases. In order to ensure the health of the tunnel staff and the safety of tunnel operation, and to better play the role of the duty room in the tunnel, through the test and analysis of the tunnel ventilation and environment, it is proposed to take the air in the tunnel and circulate the purification and the roots blower to send and exhaust air. The design scheme combining methods effectively solves the design problems of small air volume and high air pressure of the air purification system in the tunnel, and has reference significance for the safe operation of similar long road tunnels.
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