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| SLOT's EB (Electron Beam) Drilled Screen Baskets are precision-engineered using advanced electron beam drilling technology. They are primarily designed for deashing and fiber recovery, enabling exceptionally fine solid-liquid separation. These baskets are critical components in high-performance filtration applications such as black liquor and whitewater filtration, as well as fine fiber separation/recovery and circulating water purification. | |||||||||
Our screen baskets feature precisely engineered micro-perforations (from Minφ0.1mm) and a high open area of up to 12%, delivering superior efficiency in separating fine particles and fibers to maximize process performance and resource recovery.Perfect Compatibility & Direct Replacement.
This black liquor screen ensures the sustained stability and high efficiency of the filtration system, and offers extensive equipment compatibility, seamlessly integrating with original equipment from renowned brands such as ANDRITZ and Valmet.
Product Specifications
| Core Technology | Electron Beam (EB) Precision Drilling |
Standard Hole Sizes | φ0.10mm, φ0.15mm, φ0.18mm, φ0.20mm (Customizable) |
Open Area | 8% - 12% |
Screen Plate Thickness | 3mm (Adjustable based on strength requirements) |
Primary Materials | SUS 304, 316L, Duplex Stainless Steel 2205, 2507 |
Surface Finish | Electro Polishing, Hard Chrome Plating |
Diameter Range | φ400mm - φ2000mm (Custom sizes available) |
Special Designs | Available upon request |

I.Efficient filtration:
which can quickly and effectively remove solid particles and impurities
II.Strong adaptability:
The aperture and accuracy of the screen or filter medium can be selected according to the need to adapt to the removal needs of different particle sizes.
III.Stable operation:
The structure of the black liquor filter screen is strong and can run stably for a long time.
IV.Energy saving and environmental protection:
The filtered liquid can be recycled, improve the efficiency of resource utilization, and achieve the goal of energy saving and emission reduction.
V.Easy operation:
The operator only needs to follow the prescribed steps and requirements to achieve liquid filtration and solid-liquid separation.
VI.Easy maintenance:
The maintenance of the black liquor filter screen is relatively simple, and only the screen or filter medium is cleaned and replaced regularly
I.Paper industry:
Black liquor extraction and filtration: In the papermaking process, the black liquor produced in the cooking process contains a lot of lignin, cellulose and other organic substances. Black liquor filter screens are used to separate solid particles from black liquor for further processing or recycling.
Purification of pulp: In the process of pulp preparation, the impurities in the pulp are removed through the black liquid filter screen to improve the quality of the pulp.
II.Chemical Fiber industry:
Liquid filtration during pulp preparation.
Waste liquid treatment in viscose fiber production.
III.Sugar industry:
The sugar solution is clarified to remove suspended matter and impurities.
Molasses treatment and recovery.
IV.Pharmaceutical Industry:
Filtration and clarification of extracts.
Solid-liquid separation in pharmaceutical production.
V.Environmental protection:
Industrial wastewater treatment, removal of suspended solids and particulate matter in wastewater.
Sludge dewatering and separation in sewage treatment plants.