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Early paper machine dewatering element were mostly made of high-density polyethylene (HDPE), which was already quite common at that time. However, with the continuous improvement of the operating speed of papermaking machinery and the rapid development of materials science, ceramic materials have gradually taken the dominant position due to their excellent wear resistance and low friction characteristics. Ceramic materials include alumina, zirconia, silicon nitride, silicon carbide, and their modified derivatives.
Modern ceramic dewatering element often adopt a double-layer structure design: the part in direct contact with the forming fabric is a wear-resistant ceramic layer, and the support below it is made of fiberglass material, which is tightly connected to the ceramic layer through glue or mechanical structure, together forming a stable foil blade.
Firstly, there is the gravity dehydration zone, which is the primary step in the paper dehydration process. This stage utilizes gravity to remove moisture from the paper. Mainly including forming board and gravity hydrofoil.
Next is the low vacuum dehydration zone, where ceramic materials with good breathability and wear resistance are used to further remove moisture from the paper through a low vacuum environment. The ceramic dehydration components in this area mainly include foil blade and low vacuum foil blade. Among them, the foil blade is composed of ceramic foil and ultra-high molecular weight polyethylene (HDPE) foil arranged at intervals.
Next is the high vacuum dehydration zone, which requires the use of more durable ceramic components to withstand the challenges posed by high vacuum environments and ensure efficient dehydration. The high vacuum water absorbing panel achieves a smooth transition from low vacuum dehydration to high vacuum rapid dehydration through the strong suction of the vacuum pump, thereby accelerating the drying process of the paper, improving the dehydration effect, and optimizing the forming quality of the paper.
Finally, there is the pressing and dehydration zone, where the moisture in the paper is further squeezed out through the pressing process. The felt suction box, as an important component of the pressing and dewatering area, has a clever and practical design. By using a combination of 2 or 3 slot blades, a single or double slot structure can be constructed, with a seam width range set at 1015mm, effectively removing moisture from the press felt.
Forming Board
Top Former
Felt Suction Box
Low/High Vacuum Suction Box
MTR Foil
Material: UHMW/Ceramic Top Cover + Stainless Steel Box
Finished Products Show
Early paper machine dewatering element were mostly made of high-density polyethylene (HDPE), which was already quite common at that time. However, with the continuous improvement of the operating speed of papermaking machinery and the rapid development of materials science, ceramic materials have gradually taken the dominant position due to their excellent wear resistance and low friction characteristics. Ceramic materials include alumina, zirconia, silicon nitride, silicon carbide, and their modified derivatives.
Modern ceramic dewatering element often adopt a double-layer structure design: the part in direct contact with the forming fabric is a wear-resistant ceramic layer, and the support below it is made of fiberglass material, which is tightly connected to the ceramic layer through glue or mechanical structure, together forming a stable foil blade.
Firstly, there is the gravity dehydration zone, which is the primary step in the paper dehydration process. This stage utilizes gravity to remove moisture from the paper. Mainly including forming board and gravity hydrofoil.
Next is the low vacuum dehydration zone, where ceramic materials with good breathability and wear resistance are used to further remove moisture from the paper through a low vacuum environment. The ceramic dehydration components in this area mainly include foil blade and low vacuum foil blade. Among them, the foil blade is composed of ceramic foil and ultra-high molecular weight polyethylene (HDPE) foil arranged at intervals.
Next is the high vacuum dehydration zone, which requires the use of more durable ceramic components to withstand the challenges posed by high vacuum environments and ensure efficient dehydration. The high vacuum water absorbing panel achieves a smooth transition from low vacuum dehydration to high vacuum rapid dehydration through the strong suction of the vacuum pump, thereby accelerating the drying process of the paper, improving the dehydration effect, and optimizing the forming quality of the paper.
Finally, there is the pressing and dehydration zone, where the moisture in the paper is further squeezed out through the pressing process. The felt suction box, as an important component of the pressing and dewatering area, has a clever and practical design. By using a combination of 2 or 3 slot blades, a single or double slot structure can be constructed, with a seam width range set at 1015mm, effectively removing moisture from the press felt.
Forming Board
Top Former
Felt Suction Box
Low/High Vacuum Suction Box
MTR Foil
Material: UHMW/Ceramic Top Cover + Stainless Steel Box
Finished Products Show
