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Robuschi provides rotary lobe blowers and screw compressors for several lime and cement applications, such as pneumatic conveying, lime cement fluidization, combustion air, cooling air, combusted gas recovery, fluidization, FGD and lifting.
This application applies to lime kiln integrated in steel factories. Combusted gas is recovered from blast furnace chimney and conveyed to lime kiln to be used as combustion fuel.
Combustion gas are very aggressive and heavily polluted, therefore rotary lobe blowers with special seals and materials are used for this application.
Air is fed into the kiln / furnace for combustion process.
Air is fed into the kiln / furnace for cooling of fuel injection lances.
Depending on SOx compound amount and related law constrictions on the maximum SOx level allowed, combusted gas from cement oven often needs to be treated before being released. PD blowers or compressors are used to provide air to air diffusion system.
Air pumped by a blower or a compressor to fluidize cement powder inside stocking silos.
Air feeds into cement and lime silo for fluidization process to prevent product aggregation.
Negative and positive pressure pneumatic conveying systems are typically used to convey solid bulk from a starting position (typically stocking silos) to another (typically buffer silos or process). Thanks to the air flow and the pressure built up in the piping, solid items float and are handled to destination point where they are separated.