News

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.

11

2022

What are the requirements for the operating environment of reversible jet fans in pipe galleries?

What are the requirements for the operating environment of reversible jet fans in pipe galleries? Reversible jet fan for pipe gallery is a ventilation equipment used in tunnels. In some northern regions of China, the temperature inside tunnels is relatively low, especially at night, and the temperature drops rapidly. The low temperature environment can cause the tunnel fan blades to freeze, load changes, structural performance changes, and other adverse conditions. How can the reversible jet fan in the pipe gallery be improved for use in low-temperature environments?

11

2022

What are the aspects of operation and management of reversible jet fans in pipe galleries?

The operation and management of reversible jet fans in utility tunnels have their own set of management systems, which must be followed for installation, use, maintenance, and post failure repairs. The entire management system of tunnel fans mainly consists of three parts, namely installation management, placement management, and maintenance management. Basically, following these three aspects during the use of tunnel fans can save a lot of trouble. What are the aspects of operation and management of reversible jet fans in pipe galleries? Let's follow the editor of the reversible jet fan in the pipe gallery to learn more.

11

2022

What is the impact of temperature on reversible jet fans in pipe galleries?

What is the impact of temperature on reversible jet fans in pipe galleries? Temperature is a very important part of the environment, and for many devices, it has a significant impact on their working condition, performance, and so on. Like a fan, a high-temperature fan is a type of fan used in specific high-temperature environments. Instead, use a plastic fan. The ambient temperature should not be too high, as the material will be heated. So what is the impact of temperature on reversible jet fans in pipe galleries? Today we will provide a detailed explanation. What is the effect of temperature on reversible jet fans in pipe galleries?

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