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AssigneeChina Mcc5 Group Corp.Ltd
InventorsYansong Li, Li Luo, Xianzhi Wang, Weihua Liu, Yougui Li, Junjie Yang
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The present application discloses a device and method for harmful gas detection in tunnel advance drilling, which relates to the technical field of tunnel construction. The device for harmful gas detection in tunnel advance drilling comprises a casing pipe, and the casing pipe is provided with a laser monitoring module, used for emitting laser axially in the casing pipe, ranging, and monitoring harmful gas concentration; the casing pipe is provided with an occlusion module for periodically blocking laser emitted by the laser monitoring module; and the casing pipe also includes a gas flow rate monitoring module for monitoring the flow rate of harmful gas within the casing pipe. The present application enables accurate detection of harmful gas concentration at the bottom of advance drill hole, providing reliable data for risk assessment of harmful gas in the tunnel.
A device for harmful gas detection in tunnel advance drilling, wherein the device comprises a casing pipe, the casing pipe is arranged with a laser monitoring module for emitting laser axially in the casing pipe, ranging and monitoring a harmful gas concentration;
Dependencies are inferred from the claim text.