The primary utilization scenarios for Wall Attached Air Duct are focused on industrial environments that require efficient dust removal and ventilation, particularly in coal mine comprehensive mining faces. Here's a detailed breakdown and summary of the usage scenarios for the wall attached air duct:
Coal Mine Comprehensive Mining Face:
During the coal cutting process in comprehensive mining faces, a substantial amount of coal dust is generated. The wall attached air duct utilizes the airflow's wall-attached effect to direct fresh airflow towards the working face during coal cutting, transforming the airflow into a rotational airflow along the tunnel wall. This effectively prevents the spread of coal dust and enhances dust removal efficiency.
After applying the Wall Attached Air Duct, the coal dust concentration can significantly decrease. For instance, without using the wall attached air duct, the average coal dust concentration diffusing into the rear roadway is 294.5mg/m³. With the use of the wall attached air duct, the coal dust concentration can be decreased to 11.6mg/m³, achieving a dust collection efficiency of 96.1%.
High Gas Mines:
In high gas mines, ventilation safety is crucial. The design of the wall attached air duct effectively avoids the accumulation of gas in blind spots of the mining face. Through the wind door regulation of the wall attached air duct, wind pressure diversion is achieved, ensuring ventilation of the mining face while forming a wind curtain further suppressing dust diffusion.
When using pressure diversion wall attached air ducts with efficient dry dust collectors, the total dust removal efficiency in the tunnel can exceed 96%, and the respirable dust removal efficiency can reach over 93%.
Specific Industrial Dust Removal Scenarios:
Apart from coal mine mining faces and high gas mines, the Wall Attached Air Duct can also be applied in other industrial environments requiring efficient dust removal such as tunnel construction, underground engineering, and large workshops. In these scenarios, the wall attached air duct can similarly demonstrate its unique dust control effects.
Overview of Advantages:
Through its unique structure and operational principles, the Wall Attached Air Duct can ensure ventilation safety while achieving efficient dust removal, significantly improving the working environment and protecting worker health.
The dust control effect of the Wall Attached Air Duct is significant, particularly in coal mine comprehensive mining faces, substantially reducing coal dust concentration and improving dust removal efficiency.
It's important to note that the Wall Attached Air Duct requires specific selection and design considering the usage environment and conditions to ensure optimal performance. Additionally, maintenance and upkeep are essential during usage to ensure its long-term stable operation.
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