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RAWCOOL™ - WATER INJECTION TO VERTICAL ROLLER MILLS
More than 80% of the new installations for raw mills are vertical roller mills although ball mills and roll presses can be used for raw components grinding. RAWCOOL™ water injection systems we mention is the ones used in the Vertical Roller Mills.
 
Roller mills generally can handle raw materials up to 15% aggregate moisture, and are prone to vibration because of unstable grinding bed.
 
Depending on the seasonal and material characteristics, the degree of the dryness of the raw material would cause more instability on the grinding bed. Extreme dry material is slithery  and having a tendency of flying. Therefore, the material has to be kept on the bed with stable conditions and this is mostly achieved by water spray towards the grinding table.
 
After spraying, the material particles get more sticky on each other, stay more stable under the roller tyres, thus a better grinding efficiency as well as reduction in vibration.
 
RAWCOOL™ - WATER INJECTION TO VERTICAL ROLLER MILLS
RAWCOOL™ water injection systems   are easy to install and economical systems. All components and complementary equipments are prewired and preinstalled on the pump skid.
 
The spray nozzles are specially selected depending on the flowrates to ensure best atomisation while achieving lowest water spray, homogenious coverage on the material. This eliminates the risk of sludge or agglomerate formation.

 

The system is normally designed open circuit, depending on the working conditions water spray can be run on a closed circuit basis where the input signal is taken from the vibration figures.

RAWCOOL™ - WATER INJECTION TO VERTICAL ROLLER MILLS
The gas cooling questionnaire is a guide to make fully detailed heat balance calculations. Please contact us to submit you the comprehensive questionnaire.


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CYCLONECOOL
GAS COOLING IN TOP CYCLONES
TOWERCOOL
GAS COOLING IN GAS COOLING TOWERS
COOLERCOOL
GAS COOLING IN CLINKER COOLER BEDS
DUCTCOOL
GAS COOLING IN DOWNCOMER DUCTS
MILLCOOL
WATER INJECTION TO CEMENT MILLS
RAWCOOL
WATER INJECTION TO VERT. ROLLER MILLS

 
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