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Applications of industrial filter cloth, plate and frame filter press filter cloth, paper pulp filtration in paper mills
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Detailed Description
- Applications of industrial filter cloths, plate and frame filter press filter cloth, pulp filtration in paper mills
Filter press type: Plate and frame filter press
Application industry: Papermaking
Material processing description: Pulp filtration
Filter cloth model used: 055
Application of industrial filter cloth in plate and frame filter press for pulp filtration in paper mills
With the development of the papermaking industry, higher requirements have been put forward for the efficiency, stability, and economy of pulp filtration and dehydration equipment. Among many filtration equipment, Plate and frame filter press Due to its high pressing force and high clarity of filtrate, it is widely used in the concentration and filtration of pulp. As a key component of the filtration system, Industrial filter cloth The performance directly affects the filtration effect and production efficiency.
I. Application of plate and frame filter press in paper mills
A plate and frame filter press is a batch-type solid-liquid separation equipment, whose structure consists of alternately arranged filter plates and filter frames, forming multiple filtration chambers. Under pressure, the pulp enters the filter chamber, the liquid permeates the filter cloth and is discharged, and the solid remains on the surface of the filter cloth to form a filter cake.
In the papermaking industry, plate and frame filter presses are mostly used for:
- Concentration step in the deinking process of waste pulp;
- Fine pulp filtration to improve the purity of the pulp;
- High-precision dehydration treatment of pulp in special paper production.
II. Role of industrial filter cloth in plate and frame filter press
The filter cloth undertakes the core filtration and separation tasks throughout the entire pressing process. Its performance determines the cleanliness of the filtrate, the quality of the filter cake formation, and the service life and replacement cycle of the filter cloth itself. The main functions include:
- Solid-liquid separation : The filter cloth needs to efficiently intercept fiber impurities in the pulp to ensure clear filtrate;
- Strong pressure resistance : The pressure is high during the operation of the plate and frame filter press, and the filter cloth must have good tensile strength and compression stability;
- Good stripping property : The filter cake should be able to smoothly detach from the filter cloth to reduce the sticking of the cloth and the cleaning time;
- Chemical resistance : Some pulp processing contains auxiliaries or alkaline substances, and the filter cloth needs to have certain corrosion resistance.
III. Key points for filter cloth selection
For the actual application of plate and frame filter presses in pulp processing, filter cloth selection usually needs to comprehensively consider the following factors:
- Fabric structure and density
Single-layer filter cloth is suitable for pulp with general concentration, while double-layer or composite structure filter cloth can improve the solid retention rate and filter cake quality. - Permeability and filtration accuracy
It is necessary to ensure the water permeability while effectively retaining fine paper fibers to improve the cleanliness of the filtrate. - Size and joint processing method
Customize the filter cloth size according to the filter plate specifications, and the edges can be hemming, leak-proof glue treatment, to improve the sealing and service life.
IV. Xiamen Citius (Xiamen Citius) Application advantages of filter cloth
As a professional supplier of industrial filtration systems, Xiamen Citius (Xiamen Citius) Filter Materials Technology Co., Ltd. Provides a variety of special filter cloth products suitable for plate and frame filter presses for paper mills. Its main characteristics include:
- Diverse structure, wide application : Provides various filter cloths from ordinary polyester fabrics to composite fabric structures to meet the needs of different pulp processing.
- Customizable size, convenient installation : Supports customized processing according to filter plate size, including hemming, hole opening, and hot melting processing.
- Strong pressure resistance, long service life : High-strength fiber materials and fine weaving technology ensure the long-term stable operation of the filter cloth under high pressure.
- Good filter cake stripping property : The surface treatment of the filter cloth effectively reduces material adhesion, improves work efficiency and cleaning convenience.
V. Actual usage feedback
In the process of pulp pressing and dehydration of waste pulp in a certain paper mill, after using Xiamen Citius (Xiamen Citius) Customized filter cloth, the filter cake formation is more uniform, the filtrate is clear and transparent, and the equipment operation is more stable. The service life of the filter cloth has been increased from the original 3 months to 4.5 months, reducing the replacement frequency and maintenance cost.
VI. Conclusion
Against the backdrop of the papermaking industry pursuing efficient, environmentally friendly, and energy-saving production, the application of plate and frame filter presses combined with high-performance industrial filter cloths has become an important solution for pulp filtration. Xiamen Citius (Xiamen Citius) will continue to provide the industry with high-quality, customized filter cloth products to help papermaking enterprises achieve a balance between production efficiency and economic benefits.
We sincerely looking forward to cooperating with you !
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