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LOTO-Cement Mill

LOTO-Cement Mill

Dec 28, 2019

Cement mill

Isolate what?

classifier

Cement mill

other

Where to isolate?

Visual inspection

Does everyone involved know?


Electrical part

Main drive motor

Auxiliary transmission motor

Main fan motor

Feeding belt motor


Cement mill

Mechanical parts

Return material (coarse material) isolation

Mechanical isolation

Check the product material

Electrical isolation

Water and gas isolation


Where to isolate?

Electrical isolation can be done on the field switch or Lockout tagout in the distribution room

Mechanical isolation is Lockout tagout on the associated device

Visual inspection

Inside the mill - check the grinding body for looseness

Inside the separator - check overhead objects



Belt machine energy isolation

Electrical isolation

The belt needs to be operated by all relevant drive motors

Electrical control of rope switch and anti-deviation device

The sampling device power supply or magnet power supply is involved

Can be Lockout tagout on the field switch or in the distribution room

Mechanical isolation

Reverse stop in effect

Lockout tagout on the associated device


Belt conveyor cleaning, maintenance safety

Do not expect the emergency pull - cord switch to stop the belt immediately.

"The result must have disappointed you!"

The belt machine may start or stop at any time.

Do not use the pull rope switch as a lock point

Make sure the belt is effectively locked - verify the "zero energy state"