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Detailed Description
Vacuum Filter Cloth - Horizontal Vacuum Belt Filter - Chemical Calcium Sulfate
Filter Machine Type: Horizontal Vacuum Belt Filter
Application Industry: Chemical
Material Description: Calcium Sulfate
Filter Cloth Model Used: 1029A, 006
Application of Horizontal Vacuum Belt Filter in Calcium Sulfate Treatment in Chemical Plants —— Xidiase Case Analysis
Introduction
In chemical production, solid-liquid separation is a crucial step affecting efficiency and environmental standards. Calcium sulfate, as a by-product of processes such as phosphate fertilizer, desulfurization, and titanium dioxide, if improperly handled, not only occupies large space but also causes environmental pollution. How to achieve efficient separation, reduce moisture content, and improve the value of gypsum utilization has become a key focus for chemical plants.
Among many devices, ** Horizontal Vacuum Belt Filter ( HVBF ) ** has gradually become the mainstream equipment for calcium sulfate dehydration due to its advantages of continuous operation, large processing capacity, and multi-stage washing. In this process, industrial filter cloth and vacuum filter cloth are key factors determining process stability and economy. Xidiase, with mature technology and application experience, has provided reliable solutions for many chemical enterprises.
1. Challenges in Calcium Sulfate Treatment
Calcium sulfate slurry has fine particles and slow settling speed, making traditional filter press or settling processes inefficient for separation. The main challenges are:
- The filtrate needs to be clarified to meet discharge or reuse standards;
- The filter cake has high moisture content, resulting in high transportation and storage costs;
- Impurities (chloride, fluoride ions, etc.) need to be effectively removed, otherwise affecting downstream applications.
Therefore, enterprises urgently need a process device that can operate continuously while ensuring both dehydration and washing effects.
2. Advantages of Horizontal Vacuum Belt Filter
1. Continuous Operation : Unlike intermittent equipment, the horizontal vacuum belt filter can work continuously, suitable for large-scale by-product gypsum treatment.
2. Vacuum Suction : The filtrate quickly passes through the filter cloth under negative pressure, achieving high clarity.
3. Multi-stage Countercurrent Washing : Effectively rinses the filter cake, removes dissolved impurities, and improves gypsum purity.
4. Low Filter Cake Moisture Content : Water is fully extracted under vacuum, reducing transportation and storage costs.
5. High Degree of Automation : Online filter cloth cleaning, easy discharge, stable operation, and low labor costs.
This makes HVBF it especially suitable for large-scale continuous treatment scenarios such as phosphogypsum, desulfurization gypsum, and titanium dioxide gypsum.
3. Role of Industrial Filter Cloth and Vacuum Filter Cloth
In the entire process, the filter cloth is the core component directly contacting the slurry:
- Ensure Clear Filtrate : Retain fine particles to meet discharge or reuse standards;
- Maintain Efficient Filtration : Keep stable air permeability to avoid vacuum loss due to cloth clogging;
- Ensure Filter Cake Dehydration : Support filter cake formation and ensure smooth discharge;
- Reduce Operating Costs : High-quality filter cloth is wear-resistant, easy to clean, has a longer lifespan, and reduces downtime.
Xidiase combines weaving technology and vacuum filtration characteristics in filter cloth design to ensure a balance between efficiency and durability.
4. Xidiase Case Practice
A large chemical plant faced issues of high filter cake moisture content and incomplete impurity removal when treating phosphogypsum. After introducing Xidiase's horizontal vacuum belt filter and matching vacuum filter cloth:
- Filtrate transparency significantly improved and can be directly reused;
- Filter cake moisture content reduced to 40% around, lowering transportation costs;
- Impurity content significantly decreased, allowing gypsum to be reused as a cement retarder;
- Filter cloth lifespan extended 30% and maintenance costs reduced.
This solution not only helped the enterprise save operating costs but also realized resource utilization of by-product gypsum.
Conclusion
In the process of calcium sulfate treatment in chemical plants, the horizontal vacuum belt filter has become the mainstream choice, while industrial filter cloth and vacuum filter cloth are key to ensuring efficient equipment operation. Xidiase, with rich application experience and technical accumulation, provides enterprises with efficient and stable solutions, achieving both economic and environmental benefits. In the future, with continuous technological progress, this process will play an important role in more fields.
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