NLS Inflow Pressure Screen

Application& Features

Inflow Pressure Screen is mainly used for fine screening before paper machine. It also has a slot screen basket. Automatic oil injection device, seal water detection alarm device ensure the safe running of equipment and reduce maintenance.

Working Principle

When the inner pressure screening equipment is running, the pulp with pressure which has’t screened, goes into the outer of screen drum. By means of pressure difference inside and outside, the qualified pulp under pressure through the slot hole into the sieve drum, and derives from the pulp at the bottom of the accepted pulp outlet. Impurities that can’t go through the slot hole fall to the bottom, and discharge out from the discharging pipe.

Main Specification

Type NLS0.6 NLS1 NLS1.5 NLS2 NLS3
Concentration of Input Pulp(%) 0.4-0.8
Production capacity(Screen hole(t/d)) 30-60 70-130 110-160 140-260 250-400
Production capacity (Screen slot(t/d)) 25-45 55-80 80-120 100-160 150-300
Pressure of inflow pulp(Mpa)   0.1-0.4
Motor Power(Kw) 7.5-15 22 30 37 45
Concentration of Input Pulp(%) 0.4-0.8
Production capacity(Screen hole(t/d)) 260-520 350-600 420-700 500-900
Production capacity (Screen slot(t/d)) 180-320 220-400 260-480 350-600
Pressure of inflow pulp(Mpa)   0.1-0.4
Motor Power(Kw) 55 75 90 110

Capacities vary depending on feed size, feed rate, operating conditions, desired product output, characteristics of feed material, and equipment configuration

Download complete technical literature [PDF]

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