Inflow Fine Pressure Screen

In the paper industry, "Inflow Fine pressure Screen" is a key equipment used for the fine screening and purification of pulp. Its main function is to remove tiny impurities, fiber bundles, insufficiently dissociated fiber masses, and other subtle components that may affect the paper quality through meticulous screening. This significantly improves the purity and quality of the pulp, providing high-quality raw materials for the subsequent papermaking processes.

Used for the fine screening of the pulp. It can effectively carry out the sticks inks and dirt to improve the quality of the paper.

Under the action of centrifugal force, heavy impurities can quickly be separated from fiber, which can reduce wearing of screen cylinder.

Centrifugal force makes impurities far away screen cylinder. Therefore, screen slot is not easy to be plugged by impurities.

Fiber can gently pass through screen cylinder without disturbance of impurities. Low discharge pulse intensity is beneficial to removal of plastic impurities.

1.Inflow Design

The pulp enters from the outside of the screen body and flows inward towards the screen drum under pressure.

This inflow method enables the pulp to have sufficient contact with the screen drum, increasing the efficiency and accuracy of screening.

2.Screening Mechanism

The surface of the screen drum is covered with fine screen meshes, and the pore size is customized according to the required screening accuracy.

When the pulp flows inward, the fine fibers and good pulp that meet the requirements can pass through the screen meshes, while impurities and fibers that do not meet the requirements are intercepted on the outside of the screen drum.

3.Pressure Control

The equipment is equipped with an accurate pressure control system to ensure that the pulp flows under the appropriate pressure for the best screening effect.

The pressure adjustment can be optimized according to the characteristics of the pulp and production requirements.

1.Inlet：Located on the outside of the screen body and designed reasonably to ensure the pulp enters the screen body evenly.

2.Screen Drum：Usually made of high-strength and corrosion-resistant materials, it is the core component of screening.

3.Screen Mesh：Made of high-precision and wear-resistant materials with uniform pores to ensure the accuracy of screening.

4.Outlet for Good Pulp：Located inside the screen body and used to discharge the screened high-quality pulp.

5.Reject Outlet：Located on the outside of the screen body and used to discharge the intercepted impurities and unqualified fibers.

6.Pressure Control System：Includes pressure sensors, regulating valves, etc., used to precisely control the pressure inside the equipment.

1.High-Precision Screening：Can effectively remove tiny impurities and undesirable fibers, providing high-quality pulp.

2.Efficient Processing Capacity：Can handle a large amount of pulp within a unit time to meet the needs of large-scale production.

3.Stable Operation：With a solid structure, it operates stably and can maintain good performance during long-term continuous work.

4.Flexible Adjustment：Can flexibly adjust the screening parameters according to different pulp characteristics and production requirements.

5.Energy Saving and Low Consumption：The optimized design and pressure control help reduce energy consumption.

1.Operation Key Points

Before starting the equipment, the operator needs to conduct a comprehensive inspection, including the connection, sealing, and instrument display of the equipment.

Set appropriate inlet pressure, flow rate, and reject parameters according to the production process requirements.

During operation, closely observe the changes in pressure, flow rate, and the quality of the outlet pulp, and adjust the parameters in a timely manner.

2.Maintenance Work

Regularly clean the inlet and reject outlet to prevent clogging.

Check the wear condition of the screen mesh and replace the damaged screen mesh in a timely manner.

Regularly calibrate and maintain the pressure control system to ensure the accuracy of pressure control.

Lubricate and inspect the transmission components of the equipment to ensure their normal operation.

1.Improve Paper Quality：Provide pure pulp for the production of high-quality paper, improving the physical properties and appearance quality of the paper.

2.Protect Subsequent Equipment：Reduce the wear and damage of impurities to subsequent papermaking equipment, extending the service life of the equipment.

3.Optimize the Production Process：The stable screening effect helps improve the efficiency and stability of the entire papermaking production line.

4.Reduce Production Costs：Increase the utilization rate of pulp, reduce energy consumption and equipment maintenance costs.

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