Beichen Code: Felt Suction Box
Features
High efficiency drainage performance
Smooth surface with low friction to protect the felt for long lasting performance
Easy installment and low maintenance
Overall cost saving with high wear resistant ceramic blades or covers
Grinding and repairing service available
Why BEICHEN felt suction box
Installed in the pressing area, the ceramic dewatering element felt suction box facilitates water drainage and supports the felt used in paper formation. When harsh chemicals, abrasives, or debris damage the cover over a prolonged period of continuous operation, it will sag, crack, or decay, leaving an uneven surface. The felt will be destroyed and paper flaws will result from the uneven ceramic surface and damaged trims. A number of issues, such as maintenance, machine pauses, and felt replacement, will raise operating costs. To install on the corrosion-resistant steel box, Beichen chooses high-quality Alumina ceramic and strong FRP T-bars. A surface that is extremely smooth for reduced friction can be achieved with Beichen grinding technique.
Ceramics
Even under the most severe processing circumstances, Beichen Ceramics continuously resist damage from abrasives, strong chemicals, and debris that are frequently encountered throughout the paper-making process.
Product specification
|
Product Name |
Ceramic dewatering element felt suction box |
|
Mill Code |
Felt suction box |
|
Category |
Ceramic dewatering elements |
|
Paper making machine type |
Fourdrinier, gap former, top former |
|
Speed |
Differs in different type of ceramics |
|
Product machine type |
Paper, board, tissue |
|
Application |
Paper pressing, paper making, water drainage |
|
Package |
Wood box |
|
Material |
Alumina Ceramic, FRP base |
|
Sizes |
OEM according to customer design |
|
Strips/Covers |
Normally two or three ceramic blades, can also be in cover type |
|
Features |
Smooth surface, low friction, wear resistant ceramics |
Contact salesman and technician for technical assistance
Key process of the manufacturing of ceramic dewatering element felt suction box

Product introduction
What is felt suction box
Felt suction box, also known as Uhle box, is a ceramic dewatering element that is placed in the pressing section of a paper producing machine. At the mill, provide energy savings with the appropriate size. The felt will be taken to the dryer with the appropriate amount of water removed from it first. The vacuum-type design of the corrosion-resistant steel box is possible. The effectiveness of drainage is greatly influenced by the ceramic dewatering blades or coverings. Higher wear resistance and smoothness in ceramics can enhance dewatering effects and prolong perceived life.
Main Function
To save a significant amount of energy, the primary purpose of the ceramic dewatering felt suction box is to remove the appropriate amount of water from the felt before it moves on to the drying section. Generally speaking, steaming uses a lot more energy than dewatering in the shaping and pressing sections.
Furthermore, the felt's long-lasting performance can be ensured by its smooth surface.
How it works
Using RFP T-bars, the ceramic dewatering blades or coverings are fastened to the felt suction box.
The air pressure will assist in forcing the water to drain through the opening and into the suction box as the paper-filled felt passes past the ceramic blade or cover surface.
In order to maintain a relative tension and keep the felt from slipping, the felt suction box might provide additional support.
Insights of the design
Typically, the corrosion-resistant steel cylinder-shaped felt suction box is designed to save space.
For water drainage, a vacuum area might be made inside the box.
The T-bars have ceramic dewatering blades or coverings fastened to them. It is simple to install and replace them.
Materials
Material for the ceramic dewatering blades or covers can be Alumina, SiC and SiN.
The T base for ceramic blocks is FRP (Fiberglass Reinforced Polymer).
Cylinder steel box is in corrosion resistant steel.
Details regarding sale
About the delivery and sales of felt suction boxes. The entire cover can be served in a wooden cage.
Before making a purchase, we can provide on-site measurement, material inspection and selection, and general planning. We provide regrinding, replacement, and repair services for the worn or broken covers and strips.
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
For papermaking machines that process tissue, board, and paper, we provide an extensive selection of ceramic dewatering parts. Superior Alumina, SiC, and SiN ceramics are used in the production of forming boards, flat suction boxes, hydrofoils, wet suction boxes, vacuum suction boxes, and felt suction boxes. Blades, ceramic coatings, and even the FRP base are replaceable elements.
**Strictly-selected raw materials
To compete in the paper-making machine business, Beichen uses premium raw materials for all of its products, such as ceramic dewatering components, SiC and SiN ceramic, and high-purity Alumina powder. With a steel foundation that resists corrosion, FRP is incredibly robust. They function as the basis of the business as well as its mode of production.
**Know-how technology
With a range of densities, Beichen can produce light-consistency, high-quality hydrocyclone cleansers because to its technological know-how. Professional ceramic dewatering elements for a variety of applications are produced at Beichen.
We know the regulations, ranges of consistency, and installation needs for different kinds of pulp cleaners. Furthermore, we create ceramic cones with exceptional wear using state-of-the-art technology.
Forming boards, hydrofoils, flat suction boxes, low vacuum suction boxes, high vacuum suction boxes, and felt suction boxes for ceramic dewatering components are among the varieties that we are aware of. It is common knowledge that SiC, SiN, and alumina ceramics have certain properties. Superior ceramic coatings and blades are ensured by knowledgeable specialists.
**Skilled and focusing operation
All manufacturing procedures, including ceramic attachment, inspection, cone isostatic pressing, CNC and manual grinding, and CNC guide rail grinding, are the emphasis of Beichen.
By doing this, businesses can minimize operating costs and boost overall production capacity, guaranteeing that all products last a long time.
**Strict Inspection
Every product needs to undergo a thorough check before it can be sent.
Each and every pulp cleaner, spare part, and ceramic dewatering component is put through a thorough evaluation process to make sure it fits the dimensions, composition, and technical requirements specified in the drawings.
**Comprehensive service
We provide service before and after sale, for providing better solutions to clients.
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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