Beichen Code: Curved Wet Suction Box Cover
Features
Arc of ceramic covers can be made OEM
High wear-resistant ceramic for long-lasting lasing performance
Smooth surface for fabric protection
Excellent drainage performance with quick payback
Grinding and repair services are available
Why BEICHEN inclined wet suction box cover
For gap former paper making machine, the ceramic dewatering elements is between the forming roll and vacuum roll. There is a horizontal distance between the forming roll and vacuum roll, and the forming fabric will be destroyed by the sharp side of the ceramic dewatering blades if vertical installed without arc. For a constant running and smooth going through, the curved ceramic dewatering cover is necessary for the gap former. The arc of the curved ceramic dewatering cover is the key factor for the drainage performance. After long time of constant running, the cover will sag, crack or deteriorate when attacked by the aggressive chemicals, abrasives or debris, the surface will be uneven. The uneven ceramic surface and damaged trims will cause paper defects and destroy the felt. Series of problems will increase the running cost, like felt replacement, machine pause and maintenance. Beichen's skilled technicians can make sure the quality.
Product specification
|
Product Name |
Ceramic dewatering element curved wet suction box cover |
|
Mill Code |
Curved wet suction box cover |
|
Category |
Ceramic dewatering elements |
|
Paper making machine type |
Gap former |
|
Speed |
Differs in different type of ceramics |
|
Product machine type |
Paper, board, tissue |
|
Application |
Paper forming, paper making, water drainage |
|
Package |
Wood box |
|
Material |
Alumina Ceramic, SiC ceramic, SiN ceramic. FRP base |
|
Sizes |
OEM according to customer design |
|
Strips |
Curved with arc according to drawings |
|
Features |
Smooth surface, low friction, wear resistant ceramics |
Contact salesman and technician for technical assistance
Key process of the manufacturing of ceramic dewatering curved suction box cover

Products Description
What is curved suction box cover
Gap former papermaking machines require minimal installation space. The forming portion, in particular, requires less space than a fourdrinier paper manufacturing machine. In contrast to the dewatering process of a fourdrinier paper manufacturing machine, the primary drainage sections of the gap former are the forming roll, wet suction box, water blade, vacuum box, vacuum roll, and drainage roll. The curved ceramic dewatering cover is a spare wear component of the wet suction box, with an arc intended to meet the overall demands of the papermaking machine.
Main Function
The primary function of a curved ceramic dewatering cover is to drain water from the wet web, hence aiding in paper formation and quality improvement. The curved ceramic dewatering cover has a smooth surface and a high wear resistance, ensuring the durability of both the forming fabric and the cover.
How it works
When the forming fabric transfers the preformed paper from the bottom forming roll to the vacuum roll in a gap former paper producing machine, gravity can create flaws or paper transformation.
The suction box is inserted between the bottom and vacuum rolls to provide additional support to the forming fabric and improve drainage performance. The arc of the curved covers can help to enhance the paper quality.

Insights of the design
The curved suction box cover has a smooth arc and is made of high wear-resistant ceramic that is mounted to an RFP T base.
Drawings can be used to manufacture arcs, sizes, blade quantities, and blade widths.
Materials
Material for the curved ceramic dewatering box can be Alumina, SiC and SiN.
The T base for ceramic blocks is FRP (Fiberglass Reinforced Polymer).
Details regarding sale
Regarding the sale and delivery of a curved ceramic dewatering cover. We can serve the full cover in a wooden box.
We may provide on-site measurements, material verification and selection, and overall planning before purchase.
For worn or broken covers and strips, we offer repair, replacement, and regrinding.
Technical Parameters
|
Performance |
Unit |
Alumina |
SiC |
SiN |
|
Density |
Kg/m³ |
3920 |
3210 |
3250 |
|
Mean flexual strength |
Mpa |
300 |
550 |
635 |
|
Edge toughness |
N/nm |
666 |
650 |
872 |
|
Weibull modulus |
16 |
16 |
11 |
|
|
E Young's modulus |
Gpa |
324 |
429 |
314 |
|
Vickers hardness |
Mpa |
16.8 |
25 |
15 |
|
Fracture toughness |
Mpa m 1/2 |
3.8 |
4.12 |
6.25 |
|
Thermal shock resistance |
K |
120 |
250 |
600 |
|
Thermal shock parameter |
K |
89 |
242 |
591 |
|
Surface finish |
μm |
0.35 |
0.25 |
0.25 |
|
Thermal conductivity |
W/Mk |
30 |
100 |
35 |
|
Mean grain size |
μm |
2--5 |
1 |
1--20 |
Why Choose Us

**Optimum solution for wide range product application
We offer a wide range of ceramic dewatering elements for paper, board, and tissue machines. We offer forming boards, flat suction dewatering boxes, hydrofoil suction boxes, vacuum suction boxes, and felt suction boxes made from high-quality Alumina ceramics, SiC ceramics, and SiN ceramics. Spare parts are also available, including ceramic coverings, blades, and even the FRP base.
**Strictly-selected raw materials
Beichen chooses premium raw materials for all pulp cleaners and ceramic dewatering elements, as well as spare wear parts, such as high purity Alumina powder, SiC ceramic, and SiN ceramic, to increase its competitiveness in the papermaking machinery sector.
The high-strength FRP base, stainless steel 304/316, and carton steel are all of exceptional quality.
They are the foundations for product manufacture and the base of Beichen Company.
**Know-how technology
Beichen has mastered the technology required to produce high-quality hydrocyclone cleansers in high and low density, as well as high and light consistency. Beichen is an expert in making ceramic dewatering elements of all sizes.
We understand the consistency ranges, operating principles, and installation requirements for various types of pulp cleaners. We also have the most advanced technique for creating high-wear ceramic cones.
We know the following types of ceramic dewatering elements: forming board, hydrofoil box, flat suction box, low vacuum suction box, high vacuum suction box, and felt suction box. We are familiar with the properties of Alumina, SiC, and SiN ceramics. The trained attaching and grinding professionals ensure quality ceramic coverings and blades.
**Skilled and focusing operation
Beichen concentrates on all stages of production, including raw material selection, cone isostatic pressing, CNC and manual grinding, ceramic attachment, guide rail CNC grinding, and inspection.
This can ensure the long-term performance of all products, assist clients in improving comprehensive production capacity, and lower overall operation costs.
**Strict Inspection
Strict examination is required for all products before delivery.
All pulp cleaners, spare parts, and ceramic dewatering elements are thoroughly inspected for size, material, and technological need in accordance with the drawings.
**Comprehensive service
We provide service before and after sale, for providing better solutions to clients.
Before Purchase
◎ Help customers find the right product by professional technology and business consultation
◎ Field sketch for accurate size and material application
◎ Customized product plannings according to clients requirement
◎ Online for 24 hours
After Purchase
◎ Fast and safe delivery
◎ Assist our clients to build the equipment
◎ Train the first-line operators on site
◎ Visit clients to solve production problems
FAQS
Find more Beichen Products
Pulp Cleaners
- High accept rates with efficient separation
- Both high density and low density
- Minimize fiber loss
- Divided design for low and easy maintenance
- Overall cost saving with extended operating life
Spare Parts
- High quality for performance guarantee
- Wear resistance and extended life-cycle
- Overall cost and energy saving
Ceramic Dewatering Elements
- Improve paper quality
- Suitable for wide weight & speed ranges
- Available in Alumina, SiC, SiN
- Overall cost saving

Classic Products of Beichen Company


Insights of products manufacturing

Corporate Purpose
Capture the opportunity to enjoy Beichen's sincere service
Create one chance for Beichen to exhibit excellent technology
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