B&W Parts, Services and Programs for CE-Type Pulverizers / Mills

B&W applies our vast experience and knowledge of roll wheel and ball-and-race pulverizers to provide quality replacement parts, services and inventory management programs to Combustion Engineering (CE)-type pulverizers.

Since 1867, B&W has set the standard for proven high availability, reliability and low maintenance on its boilers, pulverizers and other steam generating and auxiliary equipment. We remain invested in coal and will continue to provide quality products and services to keep the fleet of coal-fired power generators operating reliably, efficiently and with high availability.

Our approach goes well beyond simple in-kind replacement and repair services. We provide engineered solutions and upgrades based on thorough inspection of your equipment. Our rebuilt assemblies can run better and last longer reducing maintenance and downtime.

Weld Overlay Roll

Steel bowl

B&W supports pulverizers/mills manufactured by CE and others, including:

  • CE/Raymond deep bowl mills
  • CE shallow bowl mills
  • Schenck Raymond roller mills

Mill services from our regional centers of excellence

  • Journal rebuilds and exchanges
    • assemblies rebuilt to original OEM specs
    • thorough inspection reports
    • standard parts in-stock for quick turnaround
    • exchange journals stocked in various sizes for immediate delivery
  • Gearbox rebuilds
  • Replacement rolls
    • cast steel core with overlay options
    • Xwin® material
  • Assured Stock Program® (ASP®) inventory management – cost-effective program to enhance and streamline your purchasing and inventory functions
  • Technical support services – rebuild/repair support expertise, troubleshooting, testing and tuning
  • Mill maintenance and operator training

Mill replacement parts

  • Vane wheel assembly (upgrade from OEM design)
  • Upper and lower bowl skirt (upgrade from OEM design)
  • Standard and extended life journal bearing assembly (upgrade from OEM design)
  • Journal head liner assembly
  • Grinding rolls – ribbed, weld overlay, high chrome, Xwin material technology
  • Grinding segments – weld overlay, high chrome, Xwin material technology
  • Trunion assembly
  • Steel bowl
  • Mill liners
  • Millside access doors (upgrade from OEM design)
  • Gearbox worm gear (upgrade from OEM design)
  • Main shaft
  • Classifier (multi-piece)
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Babcock & Wilcox Mill Assembly Diagram

Strategic alliance with wear parts expert

Through a strategic alliance, B&W provides advanced coal pulverizer replacement parts from Magotteaux, a leading supplier of high wear, severe duty castings and differentiated wear solutions. This supplier relationship combines the unique benefits of Magotteaux’s metallurgical expertise and experience in high wear, abrasion-resistant material with B&W’s expertise in coal pulverizer and boiler design, operation and optimization.

Xwin technology

Xwin technology combines the extreme high hardness of ceramic with the mechanical properties of high chromium metal for maximum wear resistance and wear life. Magotteaux’s Xwin technology is available for grinding rolls and grinding segments.

Benefits include:

  • extended running life
  • increased time between maintenance cycles
  • longer consistency of grinding profiles
  • extended duration of optimal pulverizer capacity and fineness
  • reduced power consumption

The results? Lower operating and maintenance costs, delivering up to 50% cost reductions

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B&W provides parts & services for Roll Wheel™, E and EL pulverizers / mills

Roll Wheel Pulverizer

B&W has designed, manufactured and placed in operation more than 1,100 roll wheel pulverizers, grinding a wide range of coals at power stations throughout the world. The B&W Roll Wheel® pulverizer has set the standard for high availability, reliable operation and low maintenance. These benefits contribute to stable steam generator performance regardless of station duty.

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EL Pulverizer

B&W invented the E and EL pulverizers and since then a significant number of functional and mechanical improvements have been made. These improvements provide added benefits to our customers such as increasing availability and reliability, and reducing maintenance.

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E to EL Conversions

The EL-type pulverizer is a higher capacity pulverizer when compared to the original E-type pulverizer of the same size. E to EL conversions have significantly improved the availability, capacity, and reliability of E-type pulverizers. The EL-type pulverizer is also much less prone to coal dribble problems due to an improved bottom grinding ring and throat configuration. The E-type pulverizer can be upgraded to the EL design at one time, or it can be upgraded in stages.

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