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Industrial filter cloth and filter mesh usage - horizontal vacuum belt filter press - chemical treatment of phosphogypsum
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- Industrial filter cloth and filter mesh usage - Horizontal vacuum belt filter press - Phosphogypsum processing in the phosphate chemical industry
Xiamen Citius Industrial Filter Cloth On-site Operating Case Study Images:
Filter press type: Horizontal vacuum belt filter press
Application industry: Phosphate chemical industry
Material description: Phosphogypsum
Key applications of industrial filter cloth in the phosphate chemical industry: High-efficiency solutions for phosphogypsum processing using horizontal vacuum belt filter presses
Against the backdrop of the continued development of the phosphate chemical industry, Phosphogypsum The challenges of handling this byproduct are becoming increasingly prominent. Traditional processing methods struggle to meet the dual requirements of environmental protection and resource utilization, while horizontal vacuum belt filter presses Their promotion and application provide practical and feasible solutions for the continuous dehydration and efficient filtration of phosphogypsum. Industrial filter cloth and filter mesh, as core media, play a crucial role in the entire filtration system.
Pain points in phosphogypsum processing: High water content and impurities
Phosphogypsum originates from the wet phosphoric acid production process, with a huge annual output. Its main component is CaSO ₄ · 2H ₂ O ，and it also contains phosphorus, fluorine, iron, aluminum, organic matter, and heavy metal impurities, with the following characteristics:
- Difficult dehydration ：Fine particles, strong adhesion of surface water;
- Strong acidity and high corrosiveness ：The filtrate retains a high concentration of phosphoric acid;
- High environmental pressure ：Large land occupation for storage, easy secondary pollution;
- High resource utilization requirements ：Needs to reduce impurities and achieve utilization in building materials;
In this context, selecting appropriate dehydration equipment and filter media is key for phosphate chemical enterprises to improve waste utilization and reduce environmental risks.
Horizontal vacuum belt filter press: The preferred equipment for continuous phosphogypsum processing
This type of equipment uses a combination of vacuum suction and belt conveying to achieve:
- Continuous slurry feeding, continuous filtration;
- Multi-stage spray washing, gradient dehydration;
- Uniform filter cake formation, moisture content controllable to 10% below;
- Automatic unloading, complete cleaning system, strong operational stability.
Its structural characteristics are particularly suitable for high viscosity, low filterability materials processing, such as phosphogypsum.
Industrial filter cloth / Filter mesh: The “ soul carrier ”
In this system, industrial filter cloth is not only a tool for material interception, but also determines the overall dehydration efficiency and operational economy 。High-quality filter mesh should meet the following indicators:
- Excellent acid and temperature resistance ，adapting to the acidic residual liquid environment of phosphogypsum;
- Dense structure, controllable filtration accuracy ，ensuring filtrate clarity and filter cake dryness;
- High strength and good dimensional stability ，resistant to tension and mechanical wear;
- Good release and cleanability ，extending service life and reducing clogging;
Xiamen Citius filter cloth solution: Born for the phosphate chemical industry
As a leading manufacturer of filter material technology textiles in China, Xiamen Citius Environmental Filtration Technology Co., Ltd. has been deeply involved in the phosphate chemical industry for many years, specializing in horizontal vacuum belt filter presses providing highly matched filter cloth / mesh products, with advantages including:
- Material optimization ：Selecting filter cloths with high acid resistance and hydrolysis resistance;
- Structural customization ：Considering the fine particles and high water content of phosphogypsum, providing multi-layer weaving or coating enhancement schemes to improve filtration speed and interception effect;
- Fine processing ：Edge binding, leak-proof treatment, interface reinforcement, can be connected to the equipment's automatic tensioning device;
- Operational verification ：Stable operation in multiple large-scale phosphate chemical industry projects, achieving filter cloth replacement cycle ≥45 days, unit filter cloth processing capacity increased by 20% above;
Application case summary:
In a phosphogypsum dehydration project at a large phosphate fertilizer group in Guizhou, using Citius filter cloth with a horizontal vacuum belt filter press, the system achieved:
- Filter cake moisture content reduced from the original process of 16% to 11%；
- Average filter cloth service life increased to two months;
- Improved filtrate clarity reduces the load on the circulating water system 20%；
Conclusion: Green phosphorus chemical industry cannot be separated from a highly efficient filtration system
With “ Zero-waste factory ” With the advancement of construction goals, the reuse and emission reduction of phosphogypsum has become a common pursuit of the industry. As a core element of the filtration process, The performance optimization of industrial filter cloths and filter screens is a key step in promoting the green transformation of the phosphorus chemical industry 。
Citius will continue to promote the upgrading of filtration technology to provide more stable, economical, and environmentally friendly filter cloth solutions for phosphogypsum treatment systems.
If you need further filter cloth selection suggestions or case matching, please contact us:
- 📧 Email: wyl@citius-filter.com
- 📞 WhatsApp: +86-13950107241
- 🌐 Official Website: www.citius-filter.com
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