Compressor Lab Essay

735 words - 3 pages

CENTRIFUGAL COMPRESSOR

RECOMMENDED TIME
Startup of this system may take about two to three hours in actual practice, but the simulator compresses this time and it should take about 20-30 minutes to complete the exercise described here.

SITUATION
Prior to initiating this simulated startup it is assumed that all of the pre-commissioning steps have been taken. These steps are:

Pressure testing of lines and equipment
Flushing and cleaning of lines and equipment
Removal of blinds
Run in of C-201
Instruments checked for reliability and zeroed
Utilities available

In order to properly simulate a cold startup it is necessary that the Console Switches be in the following ...view middle of the document...

6 KGCM2, and switch to automatic.
9) Switch FIC-360 to automatic at its current value. Then increase setpoint to design condition of 5.1 KNM3H.
10) CONGRATULATIONS - the unit is now operating at normal conditions and on stream.

SHUTDOWN

TRAINING OBJECTIVE

To train operators in the necessary steps to be taken for an orderly and safe shutdown of this equipment.

RECOMMENDED TIME
An orderly shutdown of the Centrifugal Compressor can be done in about 1-2 hours in the plant. However the simulator compresses this time, and it should be accomplished in about 15 minutes on the simulator by a skilled operator.
An orderly shutdown implies a shutdown that has been scheduled, and the proper parties have been notified and are aware that this will occur.

SITUATION
The unit is lined out at normal operating conditions.
A planned shutdown is scheduled and the operator is notified to start the operation.

OBSERVATION
The operator is expected to carry out the planned shutdown in the manner outlined in this exercise.

ACTION REQUIRED
The unit is lined out at normal operating conditions and the operator is...

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