The Raymond® Roller Mill is an airswept vertical ring-roll mill with an integral classification system that simultaneously dries, pulverizes and classifies clays, minerals and manufactured materials that are 5 or less on the Mohs scale. From a feed ranging in size from approximately 10-40mm (½” to 1½”), the roller mill can produce particles ranging from coarse, granular products of approximately 10%R2000 micron (90% minus 10 mesh) to as fine as 0.002%R44 micron (99.998% minus 325 mesh).
They can also be used to prepare feed for systems producing ultra-fine materials, such as a Raymond® vertical mill , ball mill or Jet-Stream™ Classifier system. The mill provides efficient control of product size with minimal power, resulting in a flexible, cost-effective production.
Standard Roller Mill Systems
The Raymond® Roller Mill system is the ideal solution for size reduction applications requiring pulverizing of soft to medium hard materials. Ideal applications include various clays such as fire clay, bentonite and kaolin as well as other minerals like barytes, gypsum, limestone , hydrated lime, phosphate rock, talc and coal. Manufactured materials such as pigments, phenolic resins or similar materials can also be processed in a roller mill system.
Each roller mill system is custom designed to achieve the best solution for your processing application. The mill feeder , roller mill size, classifier, fan, cyclone, dust collector and other system components are selected to meet the requirements and characteristics of the material being processed.
Raymond® Roller Mill System with Flash Drying
Practically all naturally occurring non-metallic minerals and many manufactured products contain a certain amount of free moisture. At one time it was necessary to dry these products in an independent system. The technique used by Raymond combines drying and pulverizing in the roller mill. This may make it possible to eliminate independent drying equipment reducing capital investment, processing time and handling.
Heated air or waste gas is delivered to the mill return air housing and introduced through air ports to the grinding zone in the mill. The air turbulence and particle size produced during the grinding process are ideal for almost instantaneous evaporation of moisture. Feed moisture is normally limited to what can be reliably fed into the mill. Typical product moistures are 0.1 to 0.5% by weight.
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Raymond roller mill, Raymond mill, Roller mill
The Industry Standard for Over a Century
The Raymond® Roller Mill is an airswept vertical ring-roll mill with an integral classification system that simultaneously dries, pulverizes and classifies clays, minerals and manufactured materials that are 5 or less on the Mohs scale. From a feed ranging in size from approximately 10-40mm (½” to 1½”), the roller mill can produce particles ranging from coarse, granular products of approximately 10%R2000 micron (90% minus 10 mesh) to as fine as 0.002%R44 micron (99.998% minus 325 mesh).
They can also be used to prepare feed for systems producing ultra-fine materials, such as a Raymond® vertical mill , ball mill or Jet-Stream™ Classifier system. The mill provides efficient control of product size with minimal power, resulting in a flexible, cost-effective production.
Standard Roller Mill Systems
The Raymond® Roller Mill system is the ideal solution for size reduction applications requiring pulverizing of soft to medium hard materials. Ideal applications include various clays such as fire clay, bentonite and kaolin as well as other minerals like barytes, gypsum, limestone , hydrated lime, phosphate rock, talc and coal. Manufactured materials such as pigments, phenolic resins or similar materials can also be processed in a roller mill system.
Each roller mill system is custom designed to achieve the best solution for your processing application. The mill feeder , roller mill size, classifier, fan, cyclone, dust collector and other system components are selected to meet the requirements and characteristics of the material being processed.
Raymond® Roller Mill System with Flash Drying
Practically all naturally occurring non-metallic minerals and many manufactured products contain a certain amount of free moisture. At one time it was necessary to dry these products in an independent system. The technique used by Raymond combines drying and pulverizing in the roller mill. This may make it possible to eliminate independent drying equipment reducing capital investment, processing time and handling.
Heated air or waste gas is delivered to the mill return air housing and introduced through air ports to the grinding zone in the mill. The air turbulence and particle size produced during the grinding process are ideal for almost instantaneous evaporation of moisture. Feed moisture is normally limited to what can be reliably fed into the mill. Typical product moistures are 0.1 to 0.5% by weight.