The inflow pressure screen is a core screening device in pulp and paper systems, primarily applied in the front wire section of paper machines and the fine screening section of deinking systems, covering purification needs in various scenarios such as chemical pulp and waste paper pulp. This equipment adopts a combined structure of shell, rotor, and screen basket, equipped with centrifugal separation technology to effectively remove impurities such as adhesives and ink particles, improving pulp uniformity. It also features an anti-clogging design and low-pulse output characteristics.
Inflow Pressure Screen Technical advantages and features
1. High Screening Efficiency: The pulp enters the screen tangentially at high pressure. Centrifugal force separates fibers and coarse impurities before they even enter the screen drum, allowing qualified fibers to pass through quickly due to the pressure difference.
2. Long Screen Drum Service Life: After the pulp enters the pressure screen, heavy impurities are separated by centrifugal force, reducing the impact and wear on the rotor and screen drum.
3. Excellent Anti-Clogging Performance: The pulp is screened uniformly from top to bottom without thickening, keeping impurities away from the screen drum; the negative pressure at the rotor tail creates a backwashing effect, preventing screen drum clogging.
4. Low Pulse Output: Good pulp has low pulse intensity, allowing for direct connection without disturbance, which is beneficial for stable paper machine operation.
5. Accept Pulp Quality: The screen drum is made of precision-manufactured stainless steel, and the finer screen gaps significantly improve the removal rate of harmful impurities.
6. Low Maintenance Costs: The main shaft uses an advanced mechanical seal system, making it less prone to damage.
Inflow pressure screens, as key screening equipment in the pulp and paper industry, have become an indispensable component of modern pulp and paper production lines due to their outstanding features such as high screening efficiency, long screen basket life, excellent anti-clogging performance, and low output pulse.
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