# TYPE: Cultural Paper Making Line TIME: 2017-11-24
The coarse screening often use the hole screen basket, and the fine screening is usually equipped with smaller slot screen.
The coarse screen is equipped with outlet to deslag the heavy impurities. However, the fine screen doesn't have.
The coarse screen is used in the coarse screening stage, and the fine screen is used in the fine screening stage.
Pulping--High Density Cleaner--Coarse Screen( Tail slurry treatment equipment: light impurity separator, reject separator)--fine screening- refining system--low density cleaning system-pulp thickening--(inclined/disc thickener)--approaching system
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