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1. FILTERING CYCLE
The pneumatic actuator moves the filter chamber (platen) into position, and holds it against the other chamber. Platen seals on the perimeter of the chamber create a liquid-tight seal around the filter media (disposable or semi-permanent belt). Solids-bearing liquid is pumped into the upper chamber, where the solids are trapped by the filter media. Pump pressure continues to force the liquid through the filter media and the previously collected solids.
2. DRYING CYCLE
When the pressure inside the filtering chamber reaches 30-40 psi, compressed air or other inert gas is fed into the upper chamber. This forces the remaining liquid in the chamber through the trapped solids and filter media. After all the liquid is evacuated, the cake is further dried using the compressed air. Once the drying cycle is complete, determined by backpressure and elapsed time – the chamber is lifted.
3. DISCHARGE CYCLE
Once the chamber is lifted, the solids (filter cake) are automatically discharged by advancing the filter media one section. After discharge, the upper chamber descends and a new filtering cycle begins. This sequence continues automatically until ended manually or via electrical signal.
OBERLIN PRESSURE FILTERS
Applications Unlimited
High Solids / High Temperature / High Corrosion
- Crystallizers
- Wet Scrubbers
- Reactor Separations / Cleanouts
- Radioactive Processing
Backwash Separations from Tubular / Pressure Leafs
- Brewery
- Winery
- Chlor-Alkali
- Juice Processing
- Chemical
Low Solids / Polishing
- Phosphate System
- Plating Baths
- Cooling Towers
- Alkaline/Caustic Cleaner Baths
- UF/RO Prefiltration
- Clarifier Overflows
- Metal Working Fluids and Coolants
Batch Processing
- Specialty Chemical Separations
- Sludge Dewatering
- Catalyst Recovery
- Clarifier Underflows
- Pelletizer Water
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"欧柏林自动压力过滤器（APF）在业内独一无二，因为它简单、自动，而且可以使用一次性过滤介质进行循环过滤，以达到相同的过滤能力。它可以用多种结构材料制造，以适应腐蚀性最强的环境。它还能处理几乎任何固体负荷，并可添加在线助滤剂或聚合物絮凝剂，以提高分离效率。这些都是杜邦公司在废水、循环水澄清、核废料处理和金属回收等各种应用中安装了 60 多台设备的部分原因。
dr. ernest m. | senior consultant