A common fault analysis of asphalt mixing plant - Filler Supply System

1. Material level is not normal

Diagnosis:

check the level meter output is normal or not;

check whether mineral powder played too hard, causing material level meter does not work properly.

Exclude:

output is not normal, the indicator to repair or replace the indicator;
if mineral powder played too tight, Filler Supply System should be cleaned, until normal.

2. Measuring nowadays powder is slow
Diagnosis:

check whether the butterfly valve switch is normal;
check whether the rotating feeder blade is stained with mineral powder;
Check whether the mineral powder is bulging in the tank.
Exclude:

Butterfly valve opening is not normal, to adjust its opening to the normal condition;
Rotary feeder with powder: ornamental butterfly valve, open the cover plate of screw machine ,open feeder, with a hammer knock the enclosure of feeder, until the feeder blade clean.
Mineral powder is bulging: first pressure breaker arch, if the result is bad, then with a hammer knock powder cans, and then if the result is bad, open of the powder tank entrance, broken arch by manual shovel powder.