An abrasive media recovery system is designed to collect spent abrasive media from the floor after blasting operations, transport it to a reclaim system, and separate reusable media from dust and contaminants. The cleaned media is then returned to the pressure blast pot for reuse, while dust and waste particles are directed to a dedicated dust collection system.
The primary benefit of a media recovery system is a significant reduction in abrasive consumption, resulting in lower operating costs and improved environmental performance. Depending on the application and media type, recovery rates of over 95% can be achieved.
Below is an overview of the key considerations when selecting the right media recovery system for your application.
After blasting, spent abrasive must be collected and transferred into recovery hoppers. These can be either recessed into the floor (in-ground installation) or installed above floor level (surface installation).
Above-ground systems do not require excavation and are therefore easier and less costly to install. However, they require more manual effort, as operators must shovel or push spent media into the hopper.
In-ground (excavated) systems allow operators to sweep media directly into floor-level hoppers, significantly reducing manual handling and improving cleaning efficiency.
Recovery hopper systems can vary significantly in size, from compact 10-foot sections for small blasting rooms to over 200 feet in large-scale industrial facilities with high throughput requirements.
Floor hoppers are typically covered with heavy-duty removable steel grating rated up to 1,000 lbs per square foot. Higher load ratings are also available to support forklifts and other material handling equipment operating within the blast room.
Full in-floor coverage systems (requiring excavation) provide continuous, automated recovery of abrasive media without the need for manual sweeping. Partial coverage systems, on the other hand, require operators to actively direct spent media into designated hopper areas.
While full coverage systems offer the highest efficiency, they involve higher initial investment. Partial systems reduce upfront cost but increase manual labor requirements.
The optimal configuration depends on your application, abrasive type, production volume, available space, and budget. Below is a summary of common system types and their advantages and limitations.
Once collected, abrasive media is transferred to a reclaim system where dust, broken media, and contaminants are removed. Only usable media is returned to the blast pot for reuse. Depending on the application, approximately 95% of the abrasive mix can typically be recovered.
Kresco offers three standard types of abrasive media recovery systems:
Selecting the right recovery system depends on several key factors:
Here is a comparison chart of the main factors to be taken into account for making the right decision between a pneumatic, mechanical, or hybrid blast room recovery system.
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