Drum Mixer / Blender

Date: 2025-08-08 Categories: Cases Views: 1784

A large ilmenite ore dressing plant | Equipment: Φ3.6×13m double-shaft blender | Conditions: acidic slurry (pH≈3), 24-hour continuous operation

I. Original equipment pain points (pain point reinforcement)

problem areaoriginal configurationStatus of usedirect loss
Cylinder liningSteel/stainless steel sheetliner3 months perforation, slurry leakageDowntime 2 times per month for replacement
Stirring shaft bearing positioncopper-basedaxle tileWeekly greasing and still shaft lockingAverage annual maintenance costs exceed tens of thousands of dollars
Outlet baffleNylon 62 months of cracking leading to material spillagePolluting the environment is penalized by the environmental protection department

II. Our customized solutions (technical visualization)

1. Composite protection system design


①Contact layer: 95% alumina ceramic lining plate
② Buffer layer: neoprene matrix (Shore hardness 75±5)
③ Support layer: Q235 steel backing plate (laser pre-drilled holes/bolts/customized empty space treatment)

2. List of key component upgrades

Replacement partAdoption of the programTechnical Highlights
Full cylinder liningCeramic-Rubber Composite LinerCeramic block gap ≤ 0.5mm anti-blocking material
Spindle support bearingsCopper-based PTFE inlaySelf-lubricatingaxle tileContaining graphene additive, PV value ≥3MPa-m/s
Discharge systemGlass fiber reinforced nylon 1010 baffleIncorporation of nano-SiO₂ anti-acid corrosion coating

III. Comparison of implementation effects (data speak for themselves)

▶ Economic Benefits

  • Liner life: 3 months → 22 months (customers save 387,000 yuan in annual liner costs)
  • Maintenance cycle: weekly lubrication → quarterly inspections (labor cost reduction of 76%)

▶ Upgrading of technical parameters

headlinepre-remodelingafter remodelingTest Standards
attrition rate1.2mm/thousand tons0.15mm/thousand tonsGB/T 12444-2006
Mixing uniformity CV8.7%5.3%ISO 3082
Equipment vibration values4.5mm/s2.1mm/sGB/T 6075
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