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Analysis of common faults of asphalt mixing plant

2016-11-28 17:38:48

Analysis of common faults of asphalt mixing plant

Analysis of common faults of asphalt mixing plant

1. cold material feeding device fault

Variable speed conveyor downtime may be variable-speed belt motor is faulty or cold under the belt is jammed by debris or foreign objects, circuits, first check whether the motor control inverter is faulty, line conduction, or circuit breaker. Or it could be belt slipping, running hard to run, if any should adjust the belt tight, jam will be sent for clearing obstacles, ensure the running belt, good morning.

2. the mixer failure

Abnormal voice, possibly because the mixers instant overload drive motor fixed bearing displacement or bearing damage, need to reset again, fixing or replacing the bearing. Mixer arms, blades and internal retaining plate damaged or fall off, it needs to be replaced, or cause uneven mixing material. If the mixer outlet temperature showed abnormal to cleaning temperature sensor and check the cleaning device is working properly.

3. sensor failures

Material cangjia material are not allowed, could be sensor is faulty, check replacement. Or beams stuck cause, foreign bodies should be cleared.

4. aggregate heating burners when you cannot normal ignition combustion

This is the case, the first step, check the operation room, look at the adequacy of the ignition and combustion conditions, such as the power supply switch off. Among them, include: fan, blower, drying drum, belt, fuel pump, it starts, and then check the fan air damper is at the ignition position, cold air door is opened, whether the fan selector switch in the manual position, as well as the drying drum, the internal pressure test status of the instrument is in manual.

Has no effect if the ignition, but the second step check, there is no initial ignition, there is no fuel, fuel pathways are blocked. Check burner ignition motor to see if ignition, ignition coil has no fuel loss, if normal, remove the electrodes, to see if there is too much oil, or too much distance between the electrodes and other anomalies. Once all of the above to normal, check the fuel pump operating normally, pump out oil exports at normal pressure the pressure required and the compressed air valve is opened, pressure reaches the standard.

Source: www.asphalt-mixing-plants.net concrete me:ann@haomei.biz


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