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Cooling Coils. Monomer Feed. Cooling Water to Sewer. Cooling Water In. TC. Thermocouple. HAZOP Case Studies – Example 1. Refer to reactor system shown.

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hazop case studies example 1

Cooling Coils

Monomer

Feed

Cooling Water to Sewer

Cooling Water In

TC

Thermocouple

HAZOP Case Studies – Example 1

Refer to reactor system shown.

The reaction is exothermic. A cooling system is provided to remove the excess energy of reaction. In the event of cooling function is lost, the temperature of reactor would increase. This would lead to an increase in reaction rate leading to additional energy release.

The result could be a runaway reaction with pressures exceeding the bursting pressure of the reactor. The temperature within the reactor is measured and is used to control the cooling water flow rate by a valve.

Perform HAZOP Study

Process Risk Seminar 22nd Dec 2009 - Workshop Session

preliminary hazop on reactor example fill in the gaps
Preliminary HAZOP on Reactor – Example – fill in the gaps

Process Risk Seminar 22nd Dec 2009 - Workshop Session

case study shell tube heat exchanger

Process

fluid

Cooling water

Case Study – Shell & Tube Heat Exchanger

Using relevant guide works, perform HAZOP study on shell & tube heat exchanger

Process Risk Seminar 22nd Dec 2009 - Workshop Session

slide4

HAZOP Study Form

HAZOP STUDY REPORT FORM

TITLE : Sheet 1 of

LINE 1 :

Process Risk Seminar 22nd Dec 2009 - Workshop Session