System installed usually as part of an SCR (NOx reduction technology)
Reagents include hydrated lime, MgO, soda ash
Relatively low injection rate (<5 TPH)
Key elements are the metering stack-up (variable speed) and the flow splitter ...
Powdered Limestone
Convey rates commensurate with process requirements (1 to 20 STPH)
Pressure conveying in dilute phase. Utilizes feeder/airlocks, blowers, and splitters
Key elements are the rotary airlock and the splitter
Flow Splitter
...
Water Based Unloading
American Electric Power, Gavin Plant 2 x 400 MTPH
PD Truck Unloading
Rate usually limited to 15 – 20 STPH
Suitable for most bulk products
Most PD trucks use on-board positive displacement blower for motive air. ...
Rail Car Unloading: Gravity / Pressure Systems
Best for high rate unloading
Suitable for coarse product (pebble lime)
Utilizes undertrack hopper to dump entire car, then pressure tanks or feeder/airlocks for line charging
Can be designe ...