Rotor Weighfeeder Pfister® TRW-K

Highly accurate and reliable gravimetric feeding and dosing of crushed coal at coal firing in power plants and coal mill feeding in cement plants

Rotor  weighfeeder Pfister TRW-K
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The patented rotor weighfeeder technology of FLSmidth Pfister has proven its reliability over 25 years by more than 2,500 successful installations in various application fields worldwide. The robust and wear resistant design makes the system extremely reliable. Powered by the state-of-the-art prospective control strategy ProsCon® the flow rate is controlled to greatest stability. This makes it possible to achieve highest short and long term accuracy - even within a large feed range. FLSmidth Pfister® rotor weighfeeders are fully closed, dust-tight and, if necessary, explosion proof. All Pfister® rotor weighfeeders require extraordingay low maintenance during their entire lifetime. This altogether guarantees outstanding availability and efficiency.

Rotor weighfeeder Pfister® TRW-K + prospective control ProsCon®: the innovative solution for stable metering of coarse coal  

Pfister TRW in process

Application fields: Crushed coal grinding / firing process

Fuel: Crushed raw coal

Dosing capacity: Up to 200 t/h

Certificates: ATEXII1/2 and II1/3, ISO 9001

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

Features:
• Gravimetric feeding
• Stable coal dosing
• Outstanding reliability
• High dosing accuracy and constancy which guarantees an effi cient 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:
• Feeder dosing controller Pfister® FDC
• Prospective control ProsCon®
• User oriented interfaces
• Remote service access available

 

Rotor weighfeeder Pfister® TRW-K feeding crushed coal into mills at a boiler installation at a power plant

 

Rotor weighfeeder Pfister® TRW-K replaces an old system at a power plant for crushed coal dosing

 

Sketch of a raw coal dosing with rotor weighfeeder Pfister® TRW-K at a cement plant

Pfister TRW-K

Rotor weighfeeder Pfister® TRW-K for coal mill dosing at a cement plant

Complete boiler installation with rotor weighfeeder Pfister® TRW-K for dosing crushed coal at a power plant

 

 

Animation

Rotor weighfeeder Pfister® TRW-K animation
Function principle of the rotor weighfeeder Pfister® TRW-K

 

For an animation of rotor weighfeeder Pfister® TRW-K on Youtube click here