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[[File:Primary_stage.jpg | thumb | right | Primary Crushing work ]] | |||
'''Primary Stage Crushing''' is the first stage in the [[Crushers | crushing]] cycle. It`s the first process where large material is being reduced in size by crushing it in too smaller particles required by customers. Primary and [[Secondary Stage Crushers]] handling coarse materials, where [[tertiary Stage Crushers]] grinds them after those. | |||
Generally speaking, The primary Crusher machine is often the largest and most expensive single item in the plant. | |||
Rocks up to 5 feet by 4 feet by 4 feet in size enter the primary crusher which reduces the size to 12 inches or smaller. Water is sprayed to reduce dust. | |||
For soft Feed [[Horizontal Impact Crushers | Horizontal Impact Crusher]] is normally used in the primary stage, for harder feed there is a choice between a [[Gyratory Crushers | Gyratory Crusher ]] | |||
==Stages== | |||
*[[Primary Stage Crushers]] | |||
*[[Secondary Stage Crushers]] | |||
*[[Tertiary Stage Crushers]] | |||
*[[Quaternary Crushers|Quaternary Stage Crushers]] | |||