Split air cabin ventilation system for construction of tunnel inclined shaft and ventilation method using same

US11674392B2 · kind B2 · utility

Assignees

• CHINA RAILWAY BEIJING ENGINEERING GROUP CO., LTD · CN
• The No. 1 Engineering Co., Ltd of China Railway Beijing Engineering Group · CN
• CHANG'AN UNIVERSITY · CN

Inventors

• Shuangqin CHEN · Tuji, CN
• Jun Li · Miaocheng, CN
• Runzhi Jia · Tuji, CN
• Feng Cheng · 红钢城街道, CN
• Yaqiong WANG · Tuji, CN
• Jiaqi Li · Lo Wu, CN
• Rui Ren · Tuji, CN
• Wei Long · Tangxia, CN
• Xitong Bai · Tuji, CN

Key dates

• Filing date: Mar 25, 2021
• Grant date: Jun 13, 2023
• Expiry date: Apr 5, 2041

Classification

• Technology area (CPC E): Fixed Constructions
• CPC primary: E21F5/00
• WIPO field: Civil engineering
• WIPO sector: Other fields

Abstract

A split air cabin ventilation system for construction of tunnel inclined shafts, including a first air cabin and a second air cabin which are both in a hollow closed structure with an air inlet end and an air outlet end respectively at both sides. The two air outlet ends are arranged away from each other. An end of the split air cabin is provided with an air inlet, and the other end is provided with an air outlet. The air inlet is connected to an air source, and the air outlet is connected to the air inlet ends of the first and second air cabins, respectively. The air inlet end of the first air cabin is connected to another air source.