Oil-Air Lubrication: Reliable Protection Against Corrosive Fluids
Release time:
2023-10-08
In many industrial environments, critical equipment faces constant threats—water exposure, abrasive iron oxide scale, and corrosive chemicals. These hazards not only damage equipment surfaces but directly affect core components.
Take cold strip rolling mills as an example. During rolling, emulsified coolant is used for both lubrication and cooling. Over time, continuous coolant flow can erode bearing housings, particularly near the roll neck. Once seals fail, coolant can penetrate, diluting grease, corroding bearing raceways, causing noise, precision loss, and even unplanned downtime—issues that challenge many steel producers.
How Oil-Air Lubrication Solves the Problem
When an oil-air lubrication system is applied, compressed air continuously carries micro-lubricant droplets into the bearing housing, forming a stable 0.1–0.3 bar positive pressure inside. This acts like an invisible protective shield:
- Prevents water and emulsified coolant from entering
- Blocks dust, iron oxide scale, and other contaminants
- Avoids accumulation of harmful gases inside the bearing
At the same time, bearings receive precise lubrication, reducing wear and extending component life.
Broad Industrial Applications
Beyond cold strip rolling mills, this technology is effective in metallurgy, chemical processing, and pulp & paper industries. Examples include:
- Reaction vessel bearings in chemical plants
- Press roll bearings in paper machines
With oil-air lubrication as a protective umbrella, bearings are shielded from corrosive fluids, achieving longer service life, lower failure rates, and more stable production. It’s a practical solution for modern industrial plants aiming to protect critical components while maintaining high operational reliability.
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