Forming boards and vacuum suction boxes are critical components in the dewatering section of paper machines, designed to optimize the drainage process during paper formation. These elements are available in various materials and specifications, ensuring efficient moisture removal and enhancing the overall paper production process.
Key Features:
Material Options: Made from high-performance materials such as UHMWPE, HDPE, and PE, as well as polymer, ceramic, and alumina for the vacuum suction boxes, ensuring durability and optimal performance.
Thickness: Varies between 10-150 mm for forming boards and 3-300 mm for vacuum suction boxes, providing flexibility for different applications.
Porosity: < 0.04% porosity ensures minimal air resistance and efficient suction during dewatering.
Abrasion Resistance: With an abrasion rating of 70-80%, the forming boards offer strong resistance to wear and tear.
Surface Roughness: The surface roughness ranges between 0.3 - 0.5, ensuring effective moisture drainage while minimizing fiber damage.
Hardness: Forming boards exhibit a hardness range of 40-68, offering the necessary durability for high-pressure applications.
Breaking Strength: Forming boards have a breaking strength of 40-42 MPa, providing sufficient strength for long-term usage in demanding environments.
Molecular Weight: Materials feature a molecular weight between 0.5 - 9 million, contributing to the overall robustness and performance of the components.
Forming boards and vacuum suction boxes are primarily used in the paper and pulp industry to facilitate the dewatering process and support paper formation during manufacturing. These components help in controlling water content, ensuring that the paper reaches the desired consistency.
Applications Include:
Forming Board: Used in the forming section of paper machines to ensure the even distribution of pulp and facilitate efficient dewatering.
Vacuum Suction Box: Used in conjunction with forming boards to apply suction, aiding in the removal of excess water from the paper web during the forming and pressing stages.
Felt Suction Box: Works with the forming board and vacuum suction box in multi-stage dewatering processes to maintain optimal water removal and improve paper formation.
Paper and Pulp Industry: Essential for industries involved in paper production, particularly those that require high-efficiency dewatering for smoother, more consistent paper products.
Forming Board | Vacuum suction box | ||
Material | UHMWPE / HDPE / PE | Material | polymer , ceramic, alumina |
Thickness | 10-150mm | Porosity | <0.04% |
Abrasion | 70-80% | Thickness | 3-300mm |
Type | Forming board/vacuum suction box/ felt suction box | Application | Forming board/vacuum suction box/ felt suction box |
Hardness | 40-68 | Box width | As required |
Surface roughness | 0.3-0.5 | Usage | Paper and pulp industry |
Breaking strength | 40-42MPa | Molecular Weight | 0.5-9 million |
1. What materials are used for forming boards and vacuum suction boxes?
Forming boards are typically made from UHMWPE, HDPE, or PE.
Vacuum suction boxes use high-performance materials like polymer, ceramic, and alumina, which are designed for durability and high-pressure applications.
2. What is the thickness range of the forming boards and suction boxes?
Forming boards: 10-150 mm
Vacuum suction boxes: 3-300 mm
3. What is the porosity of the forming board?
The porosity is <0.04%, ensuring efficient moisture removal and minimal air resistance during the dewatering process.
4. How resistant to abrasion are these components?
The forming boards have an abrasion resistance of 70-80%, providing excellent durability in high-wear conditions.
5. What is the surface roughness of the forming boards?
The surface roughness of the forming boards is between 0.3 - 0.5, designed to allow effective moisture drainage while minimizing damage to the paper fibers.
6. What is the breaking strength of the forming boards?
The forming boards have a breaking strength of 40-42 MPa, offering sufficient strength for long-term, high-pressure applications in paper machines.