Innovation is always at the forefront within Van Aalst. This project is a beautiful example of how innovation drives us forward. Our client Fresh Cement wanted to convey fly ash from multiple storage silos to 5 different mills and a silo spread around their cement plant. Van Aalst came up with an innovative solution to fullfill Fresh Cement's in-plant dry bulk transfer requirements.

Reclaim and conveying system design for Fresh Cement

The 3 silos are fitted with aerated reclaim floors designed by Van Aalst. The reclaim floor fluidizes the fly ash for smooth reclaim with minimal energy demand. The 3 silos are connected to 2 suction bins by air slides. A convey unit uses a vacuum conveying process to transfer the fly ash from the suction bins to the filter receiver on the convey unit. From the filter receiver 2 transfer kettles are filled. The convey unit pneumatically conveys the fly ash from the transfer kettles to several mills and a silo around the cement plant using a dense phase positive pressure system.

System data:

• No. of feed points: 3
• No. of reception points: 6
• Design reclaim & conveying capacity:100 mtph

Reclaim floor data:

• Type: 100% areated floor with single side discharge
• Reclaim floor diameter: (2x) 12m, (1x) 10m
• Reclaim design capacity: 100 mtph per reclaim floor

Convey unit data:

• Type: VACU/100/E
• Convey length: max. 700 m
• Conveying design capacity: 100 mtph