Which type of ventilation does a blowing system provide?

A blowing system in mine ventilation is designed specifically to introduce fresh air into the mine environment. This system is crucial for maintaining air quality and ensuring that miners have a supply of breathable air as they work. Fresh air helps to dilute and remove harmful gases and pollutants that can accumulate in the mine, thus enhancing safety and health conditions for the workforce.

In contrast, other ventilation systems have different roles, such as removing stale air or circulating existing air, but the primary purpose of a blowing system is to ensure that new, clean air is continuously supplied to the mining areas, supporting not just safety but also preventing the buildup of dangerous gases and maintaining overall mine productivity.