Emergency discharge system

The availabilities of an emergency discharge system, an inhibitor system, a pressure relief system and a passive trip system are compared with one another. The pertinent fault tree models are established and quantified. 

Fig. 9.56 Fault tree for the emergency discharge system of the nitrator for producing hexogen of Fig, 4.11...

A closer look at the minimal cut sets of the different systems shows Emergency discharge system... 

Emergency discharge system Xl Temperature sensor TE2 fails 27.8 1.5 720 1.03 X 10 ... 

Relief systems. Emergency discharge from relief valves can be dealt with in a number of ways ... 

An open test cell from which effluent can be discharged and analyzed for emergency relief system studies. 

Fig. 6 is an enlarged vertical longitudinal sectional view taken through the reactor and coffin, shown partially in elevation, and showing the steel and water shield below the reactor and the mechanism employed for effecting an emergency discharge of the moderator from the system Fig. 7 is a top plan view of the reactor shown in Fig. 6 Fig. 8 is a transverse sectional view taken on line 8—8 of Fig. 7, and shown partially in elevation ... 

Fig. 4.9 Emergency trip system for reactor discharge in case of runaway...

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