ZHAO Zhong-liang.Design for Ventilation of Huanghua Avenue Utility Tunnel in Qu County[J].China Water & Wastewater,2021,37(10 10):79-82.
Design for Ventilation of Huanghua Avenue Utility Tunnel in Qu County
China Water & Wastewater[ISSN:1000-4062/CN:12-1073/TU]
volume:
第37卷
Number:
10 10
Page:
79-82
Column:
Date of publication:
2021-05-17
- Keywords:
- utility tunnel; ventilation; monitor; control
- Abstract:
- According to the design principle of keeping safe, reliable, economic and coordination with road landscape, we conducted the ventilation mode, the layout of the mechanical exhaust fan room and the exhaust pavilion and the layout of the natural air intake pavilion of Huanghua Avenue utility tunnel in Qu County, Sichuan Province. It also elaborated the monitor and controlling system of its normal ventilation, inspection ventilation, accident ventilation and ventilation after the fire. The design features were as follows: The overhaul port of the mechanical exhaust fan room was also used as the evacuation port for inspectors and the equipment delivery port of the fan room; The pressure relief port of the gas extinguishing system was set on the side wall of the natural air intake pavilion above the ground; An explosion-proof single speed exhaust fan with multiple functions was used for saving the costs; The ventilation frequency and controlling the volume fraction of oxygen in the cabin were used to determine the opening time of exhaust fan before the inspectors enter the cabin.
Last Update:
2021-05-17