The Alstom Power Raymond® Bowl Mill is a well-known type of coal pulverizer used in power generation and industrial applications. Here’s an overview of its key features and applications:
Alstom Power Raymond® Bowl Mill (HP, RP, RS Models)
– Purpose: Designed for pulverizing coal and other raw materials into fine powder for combustion in boilers (e.g., coal-fired power plants).
– Manufacturer: Originally developed by Raymond Brothers Impact Pulverizer Company, later acquired by Combustion Engineering (CE), then Alstom Power, and now part of GE Power (after GE acquired Alstom’s power division).
# Key Features:
1. Grinding Mechanism:
– Uses a rotating bowl with grinding rollers to crush coal.
– Adjustable classifier for fineness control.
2. Models:
– HP (High Performance) Series: Modernized versions with higher capacity.
– RP & RS Series: Older but widely used models.
3. Capacity Range: From ~10 to over 100 tons per hour, depending on size and model.
4. Applications:
– Coal-fired power plants.
– Cement, lime, and mineral processing industries (for raw material grinding).
5. Advantages:
– Reliable performance.
– Low maintenance compared to ball mills.
– Can handle a variety of coals (bituminous, sub-bituminous, lignite).
# Aggregate & Mineral Grinding
While primarily designed for coal, Raymond Bowl Mills can also be adapted for:
– Limestone
– Gypsum
– Barite
– Phosphate rock
– Other non-metallic minerals.
# Modern Equivalents & OEM Support
Since GE acquired Alstom’s power business, support and parts are now provided under:
– GE Steam Power (for coal mills).
– Aftermarket services from companies like B&W (Babcock & Wilcox) or Bradley Pulverizer.
Would you like details on maintenance, troubleshooting, or specific model specifications? Let me know how I can assist further!





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