What is a Paper Band Filter?
A Paper Band Filter is a gravity-based filtration system used to remove metal chips, sludge, and contaminants from industrial coolants, oils, and lubricants.
It uses a disposable filter paper laid over a conveyor mesh. The fluid flows through the paper, and contaminants are retained. It is widely used in grinding and machining operations.
COMPONENTS (WITH FUNCTION)
| Component | Function |
| Dirty Liquid Inlet | Introduces unfiltered coolant |
| Filter Paper Band | Catches and holds solid impurities |
| Wire Mesh Conveyor | Supports the filter paper and moves it forward |
| Drive Motor + Gearbox | Moves the paper forward when clogged |
| Float Level Switch | Detects rising liquid and triggers paper feed |
| Clean Coolant Tank | Stores filtered coolant for reuse |
| Sludge Collection Bin | Collects used filter paper and sludge |
WORKING PRINCIPLE (STEP-BY-STEP)






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