| No. |
Troubles |
Cause analysis |
Exclusion methods |
| 1 |
Slurry running between filter plates |
- Low fuel pressure.
- There are foreign matters on the sealing surface of filter plate.
- Out of flatness of filter cloth or with fold.
- Slurry with high temperature leads to filter plate deformation.
- Over-high pressure or flow in feeding pump.
|
- Clear up the sealing surface.
- Tidy up the filter cloth.
- Replace the filter plate.
- Adjust again.
- Hydraulic system trouble clearing.
|
| 2 |
Filtrate is not clear |
- Filter cloth damage.
- Unsuitable filter cloth is used.
- Open pore of filter cloth is too large.
- Filter cloth split at the seam.
|
- Check and replace the filter cloth.
- Choose suitable filter cloth.
- Replace the filter cloth.
- Update the seam.
|
| 3 |
Creeping phenomenon |
- Fuel lack.
- There is air to discharge in fuel tank.
- Fuel tank and piston cooperate too tightly.
|
- Refuel.
- Reciprocating running for several times.
- Use for a period of time.
|
| 4 |
Main girder bending |
- Foundation of fuel tank is rough, and with low degree of freedom.
- Filter plates are irregularly arranged.
- Incomplete slag removal on the sealing surface of filter plate.
- Free running of pull plate machine leads to filter plate's irregular arrangement.
|
- Reinstall the device.
- Arrange the filter plate.
- Remove slags.
- Adjust the pulling plate machine to synchronous running.
|
| 5. |
Filter plate uplifts |
- Inaccurate installed base.
- Incomplete slag removal on the sealing surface of filter plate.
- Washers with ball face in pressure plate flange shifts.
|
- To revise the foundation.
- Remove slags.
- Adjust the washers with ball face.
|
| 6. |
Membrane damage |
- Over-high air pressure.
- Inadequate feeding slurry, and incomplete slag removal.
- Membrane is pierced by foreign matters.
|
- Reduce the squeezing pressure.
- Fill the filter chamber with slurry.
- Remove the foreign matters and replace the membrane.
|
| 7. |
Running trouble of filter cloth machine |
- Traveling motor is not flexible.
- Brake fails.
|
- Check the motor wiring.
- Adjust or replace the brake.
|
| 8. |
Raise and fall trouble of filter cloth machine |
- Lifting motor is not activated.
- Brake fails.
|
- Check the electrical wiring and protect position limitation.
- Adjust or replace the brake.
|
| 9. |
Filter plate positioning is not accurate. |
- Limit induction damage of filter plate.
- Improper location of limit induction of filter plate.
- Installed location of induction patches on filter plate is not proper.
|
- Replace limit induction switch.
- Adjust the location of limit induction.
- Adjust the location of induction patches.
|
| 10. |
Leakage of filter cloth washing |
- Loose fitting connection.
- Seals are damaged.
|
- Fasten the connection.
- Replace the seals.
|
| 11. |
Filter cloth washing machine works with leakage. |
- Nozzle clogging.
- Jet distance is too short.
|
- Remove foreign materials.
- Adjust the distance between nozzle and filter plate.
|
