News

07

2024

Reasons for the damage of the support structure of SDS tunnel jet fan

The main factors that cause the support structure load of the jet fan to fail to meet the specification requirements are as follows: (1) The concrete pouring in the arch is not compact enough, resulting in a loss of bond between the embedded parts and the concrete;

10

2023

SDS Tunnel Jet Fan Safety Status Online Monitoring System

1.1 Overview To meet the requirements of intelligent operation, it is necessary to adopt an online intelligent diagnosis and warning system for fans, which can achieve the purpose of intelligent operation. Based on the data collected by vibration sensors, static displacement sensors, current sensors, etc. installed in the tunnel jet fan, the operating conditions and hidden dangers of the fan can be monitored in real time. It has functions such as automatic

10

2023

Installation of SDS tunnel jet fan

In tunnel engineering, ventilation is crucial, and jet fans, as an indispensable system in tunnel engineering, have a direct impact on the maintenance and operation of the ventilation system after the tunnel is put into use due to their construction quality and safety. Strictly controlling its construction quality can provide better service for highway tunnels.

10

2023

Common failure modes of SDS tunnel jet fan support structure

During the load test of the fan support structure, any of the following situations shall be considered as unqualified, indicating that the fan support structure has been damaged: (1) Cracks and falling blocks appear in the concrete around the embedded steel plate;

10

2023

SDS tunnel fan pull-out bearing capacity testing

Tunnel fans are usually hung on the top or both sides of the tunnel to replace the exhaust gas of vehicles in the tunnel. The tunnel fan is very heavy and installed at the top of the tunnel, so there is a certain safety hazard. It must undergo a pull-out test and pass it before it can be used.

03

2023

How to choose a tunnel fan?

When choosing a tunnel fan, the following aspects need to be considered: 1. Fan flow rate: Calculate the required air volume of the fan based on parameters such as tunnel length, width, and height. This parameter may be adjusted due to special circumstances such as traffic flow and pollutant emissions inside the tunnel.

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