PERBANDINGAN DESAIN FLS Pfister FEEDER

1.1 Rotor Weighfeeder Pfister DRW

Application fields: Kiln and calciner firing process, hot gas generator (HGG)

Fuels: Petrolcoke, coaldust, lignite, oil shale

Dosing capacity: Up to 50 t/h with only one system possible

Design example: • Stainless steel silo cone• Silo cone aeration• Shut-off gate• Star feeder• Flexible joints• Calibration pre-hopper• Rotor weighfeeder Pfister DRW

Features: • Stable fuel dosing• Outstanding reliability• High short- and longterm accuracy

• Compact, simple and modular design• Explosion-proof• In-line blending of a number of fuels intoone common feeding line possible• Integrated pnematic fuel transport• Large feeding range• Online calibration during operation• Up to 4 systems under one coal silo possible• Slowly moving rotor• Easy to maintain

Dosing control: • Feeding Dosing Controller• Prospective Control ProsCon®

• Flow Balance• User oriented interfaces• Remote service access availableCertificates: ATEX (94/9/EC) in categories II1/2D and II1/3D, ISO 9001:2008

1.2 Rotor Weighfeeder Pfister TRW-K

Application fields: Crushed coal grinding and firing process

Fuel: Crushed raw coal

Dosing capacity: Up to 200 t/h

Design example: • Flexible joint• Vibrating hopper• Flexible joint• Shut-off gate• Rotor weighfeeder Pfister TRW-K• Flexible joint• Down spout

Features: • Gravimetric weighing• Stable coal dosing• Outstanding reliability• High dosing accuracy and constancy whichguarantees an efficient grinding and firing process• Compact, robust, closed dosing system• All metal construction (no rubber,

no belts, no idlers, no pulleys)• Pressure-proof design• Easy to install• Large dosing feed range• Low speed moving rotor• Reliable and safe operation• Self-cleaning, no material spillage• Extremly economical in respect to power consumption• Easy removal of any foreign material through service openings• Negligible wear• All measuring elements accessible from the outside,therefore easy to maintain

Dosing control: • Feeding Dosing Controller• Prospective Control ProsCon®

• User oriented interfaces• Remote service access availableCertificates: ATEX (94/9/EC) in categories II1/2D and II1/3D, ISO 9001:2008

1.3 Rotor Weighfeeder Pfister TRW-S/D

Application fields: Kiln and calciner firing process

Fuels: Extremely light or very heavy materials such as FLUFF, RDF, sewage sludge,plastics, animal meal, paper and wood waste, impregnated saw dust,

oil soaked textiles, carpet pellets, tyre chips, various shells or biomass.Handling of different materials with one and the same Pfister TRW-S/D is possible.

Dosing capacity: Up to 20 t/h with densities down to 0.05 t/m3

Design example: • Rotating discharge screw• Shut-off gate• Flexible joints• Calibration pre-hopper with agitator• Rotor weighfeeder Pfister TRW-S/D• Star feeder for transfer into the pneumatic feeding lineFeatures: • Stable fuel dosing• Outstanding reliability• High short- and longterm accuracy• Dosing of varying fuels possiblewith one and the same Pfister TRW-S/D• Compact, robust, closed dosing system• Explosion-proof design optional• Large feeding range• Online calibration during operation• Easy to maintain

Dosing control: • Feeding Dosing Controller• Prospective Control ProsCon®

• Flow Balance• User oriented interfaces• Remote service access availableCertificates: ATEX (94/9/EC) in categories II1/2Dand II1/3D, ISO 9001:2008

1.4 Rotor Weighfeeder Pfister URW

Application fields: Kiln process, grinding process

Materials: Mill components and additives such as fly ash, bypass and kiln dust,calcium hydrate, iron sulphate etc.

Dosing capacity: Up to 25 t/h

Design example: • Silo cone aeration• Material activator• Shut-off gate• Connection unit• Calibration pre-hopper• Rotor weighfeeder Pfister URW• Blower

Features: • Stable material dosing• Outstanding reliability• High short- and longterm accuracy• Compact, simple and modular design• Large feeding range• Online calibration during operation• Up to 4 systems under one silo possible• Slowly moving rotor• Easy to maintain

Dosing control: • Feeding Dosing Controller• Prospective Control ProsCon®

• Flow Balance• User oriented interfaces• Remote service access availableCertificates: ISO 9001:2008

1.5 Belt Weighfeeder Pfister DBW

Application fields: All continuously operated processes

Products: Fine, coarse and sticky materials such as limestone, gypsum, clay, clinker,iron ore, coal, coke, pellets, additives etc.

Dosing capacity: From a few 100 kg/h up to 1.000 t/h with a large feeding range

Design example: • Various infeed hoppers with shut-off devices• Belt weighfeeder Pfister DBW• Discharge hood• Spillage conveyor (optional)• Temperature resistant belts (optional)

Features: • Stable material dosing• Outstanding reliability• High short- and longterm accuracy• Compact, robust machinery• Large variety in lengths and widths• Large feeding range• Easy to maintain

Dosing control: • Prospective Control ProsCon®

• Feeding Dosing Controller• User oriented interfacesCertificates: ISO 9001:2008

FLSmidth