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Coal handling system equipment interlock start, stop, trip conditions:

Coal bunker dust collector interlock start, stop, trip conditions:


Interlocking start condition: Corresponding to the falling signal of the original coal bunker, the dust
collector is activated; the interlocking stop condition: corresponding to the lifting signal of the original coal
bunker, and the dust collector is stopped for 180s.

Roller screen interlock start, stop, trip conditions:

Interlocking start condition: coal crusher running delay 10s; interlocking stop condition: roller screen
blocking coal signal, delay 3s, roller screen interlock trip.

Coal crusher interlocking start condition:

Interlock start condition: The No.5 belt conveyor runs delay 5s.

Coal handling system sequence accident trip conditions:

Trip conditions Or）:1) Start, equipment failure, sequence control stopped; 2) Belt fault trip, inverse
coal tripping of equipment; 3) Coal crusher fault trip, inverse coal tripping of equipment; 4) Roll screen: fault
trip, inverse coal tripping of equipment; 5) The chute plug protectors coal letter alarm signal, inverse coal
tripping of equipment.

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