Vanes:
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- Pre-swirlers, adjustable and cyclone
- Single-point vane setting and adjustability
- Guaranteed 10% mill improvement
- Guaranteed 75% passing a 75 micro-meter mesh
- Improved PF and PA distribution
- Stable boiler firing
Mill type:
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- Vertical spindle: Babcock E, EL type mills, MPS, Loesche, MBF, Foster Wheeler, XRP, CE, HP, Raymond bowl, Lopulco, MB
Ball mill (tube):
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- Kennedy van Saun (Metso), Riley, Stein Industrie, Mitchell
- Fuel: Coal
- Low NOx operation
EnFloTech prides itself on being the expert in coal mill aerodynamics. The company has achieved numerous successes worldwide with its Ultra-High-Performance Static Classifiers (UPHSC).
Among the many factors influencing mill performance, once an even distributed and optimised primary classification is achieved within the grinding zone, secondary classification ensure the final product leaving the mills is within boiler specification. EnFloTech’s design strength lies in mastering this.
Most milling plants are build within space constraint areas which doesn’t allow for effective classifier design according to first principle design calculations. EnFloTech has worked around this with its UHPSC design in manipulating the air flow to give the same classification behaviour with the space limitations.
Ultra-High Performance Static Classifiers impact mill performance by
- Reducing system resistance, which can be utilised to increase mill throughput or adjust the classifier to achieve a finer PSD at the same throughput
- Reducing wear of mill internals
- Eliminating particle roping effects
- Optimising PA/PF distribution between fuel pipes (PF distribution within 10% between pipes).
- Eliminating particle settling inside the fuel pipes (large particle carry-over)
- Mill operation within Low NOx envelope for boiler
- Reduced carbon in ash whilst maintaining Low NOx operation
- NFPA 85 compliance
The classifier is a modular component that fits the existing footprint of the mill, requiring no major modifications. The turnaround time for conversion is no more than 70 working hours.
EnFloTech guarantees the following when converting OEM mills with EnFloTech’s Ultra-High-Performance Static Classifiers (UHPSC) :
- A minimum of 10% improvement in mill performance
- A 10-year guarantee
- 75% passing a 75 micro-meter mesh