The MAC® Magaldi Ash Cooler is a unique system for dry extraction, air cooling and mechanical handling of bottom ash from pulverized coal-fired boilers.
With hundreds of installations worldwide since 1980s, the MAC® Magaldi Ash Cooler is the world’s leading dry bottom ash handling system for utility and industrial boilers, of any size and burning any kind of solid fuel.
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The MAC® system’s very reliable operation is witnessed by millions of trouble-free operating hours. That is ensured by the MAC® construction and the use of the Magaldi Superbelt®, allowing safe collection and transport of extremely hot, abrasive and dusty ashes, no matter if containing very big lumps. High temperatures and tear issues are resolved thanks to the patented method of connecting the pans to the mesh belt, that leaves all elements free to expand in any direction.
The Magaldi Superbelt® damage-tolerant design eliminates any risk of sudden failures, otherwise always present, especially with hot and abrasive materials, in the case of conveyors using chains. In the MAC® system, ash cooling is carried out by ambient air, naturally drawn into the system by the furnace negative pressure. That air recovers a significant amount of energy in the form of ash sensible heat, ash chemical energy from unburned particles, boiler radiation flux through the throat.
Frictional Collection For Mac Shortcut
The dry cooling process has been proven to have no negative effects on the main combustion. The MAC® system, compared to conventional wet systems, can improve the boiler efficiency by a factor in the range 0.1÷0.6%, depending on coal properties and ash rates, calculated within the framework of ASME PTC4-2013.
Frictional Collection For Mac Catalina
You find the Magaldi YouTube Channel by clicking here.