Corrosion and Abrasion Shorten Service Life, Wear-Resistant Vacuum Drum Filter Cuts O&M Cost
April 30, 2026
Starch slurry contains organic acid, sediment, colloid and fine hard particles, leading to continuous chemical corrosion and mechanical abrasion on filter drum, cylinder, pipeline and sealing parts. Ordinary carbon steel equipment is prone to rusting, inner wall thinning and structural deformation after long-term operation.
Corrosion and abrasion cause vacuum leakage, unstable dewatering efficiency and fluctuating cake dryness. Factories face frequent shutdown maintenance, spare parts replacement and renovation work. Repeated labor cost, consumable expense and production stop loss keep overall operation cost high. Shortened equipment service life also leads to frequent reinvestment, bringing long-term economic burden to starch manufacturers.
The wear-resistant anti-corrosion Vacuum Drum Filter is specially optimized for erosive and corrosive starch working conditions. All key material contact parts adopt stainless steel, anti-corrosion lining and heat treatment technology to enhance overall resistance against acid corrosion and particle scouring.
The drum, tank and filtrate pipeline are polished and reinforced with wear-resistant layers, avoiding rust, peeling and deformation under long-term slurry impact. Wear-resistant alloy is adopted for transmission and sealing components to reduce wear rate and extend maintenance intervals and service life.
While improving durability and corrosion resistance, the equipment maintains stable vacuum performance and consistent solid-liquid separation effect without quality attenuation. Low failure rate and long service cycle greatly reduce daily maintenance, spare parts consumption and repeated equipment investment.
- Adopt Vacuum Drum Filter with full anti-corrosion and wear-resistant treatment on all flow surfaces.
- Select composite structure of food-grade stainless steel and wear-resistant lining for drum and cylinder.
- Check anti-corrosion grade of seals and bearings to lower frequent replacement cost.
- Choose proper protection grade according to slurry acidity and sand content.
- Prioritize modular anti-corrosion design for easy partial maintenance and replacement.