MAC (Magaldi Ash Cooler)
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Unlike conventional wet bottom ash handling (WBAH) systems, responsible for huge water consumption, high maintenance costs, environmental issues, and negative effects on boiler operation, the MAC® (dry bottom ash handling) system delivers a reliable, cost-effective, and environmentally friendly operation thanks to the unique combination of the dry cooling process and the dependable Superbelt® conveying technology.
The use of the dry bottom ash handling system results in significant water and O&M cost savings.
The implementation of the MAC® system also reduces ash disposal costs. The limited amount of water cuts back on the landfilling cost due to the significant reduction in ash weight.
Typical MAC® system configuration includes the Magaldi Postcooler (Ecobelt®) downstream of the crushing stage. It is a secondary conveyor which provides further cooling while conveying bottom ash to the final delivery point.
Fully enclosed in a steel casing kept under slight negative pressure, the Ecobelt® conveyor features a self-cleaning system made of steel plates properly shaped and hinged to the belt. In the return part of the belt, the plates move the fines backward to the tail section, where the Magaldi O-chain® reloads them to the main belt.
Fully enclosed in a steel casing kept under slight negative pressure, the Ecobelt® conveyor features a self-cleaning system made of steel plates properly shaped and hinged to the belt. In the return part of the belt, the plates move the fines backward to the tail section, where the Magaldi O-chain® reloads them to the main belt.
Categories
- Power Plant/ Asset Management
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