TECHNICAL PREPARATION 29
- Longest kiln of 81 metre for 5-metre diameter
- Turbo blowers used for coal conveying and primary
air
- Robo-lab for sampling for raw meal, kiln feed and
clinker
- Offline particle analyser for analysis of residue of
raw meal
- CBA for analysis of limestone/raw materials including
coal
- Online HT and LT bus bar temperature monitoring
system installed
- Online terrain analysis of critical variable frequency
drives (VFD)
- Process optimization system (fuzzy logic) for raw
mill, coal mill, kiln, and cooler
- QCS/blend expert software installed for quality
improvement
- 130 nos of VFD considered for the plant:
• Energy saving: Nuisance bag filter fans >15 kW,
process fans, compressors, aeration blowers, coal
firing blower
• Equipment reliability: Bucket elevators, belt
conveyors, deep pan conveyor
• Process/operation requirement: Apron feeder,
spreader at pre-heater top, separator drive, surface
feeder
- Energy efficient, IE3 motors and distribution
transformers (level 3) installed
