Pitch spots, wire
1. Clean forming fabrics. — low-pressure steam can be used to blow pitch spots out of metal wires. — for plastic wires, pressure must be less than 3.5 kg/cm2 and temperature below 150 F . 2. High-pressure showers are usually effective on pitch. 3. Chemical treatment of the wire can reduce the tendency for pitch […]
Screen efficiency
1. Keep the screens clean. 2. Ensure that slots or holes are not narrowing due to pitch deposition. 3. Perform regular mechanical inspection of the foils and maintain proper clearances. 4. Perform regular inspection of the baskets. — check size of holes or slots. 5. Perform regular mechanical inspection of gearbox, glands and drive. 6. […]