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Primary Heat Transport Leakage Collection System

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Primary Heat Transport Leakage Collection System

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Questions and Answers

What is the purpose of the Primary Heat Transport leakage collection system?

To collect drainages only from equipments for maintenance work.

To transfer the heavy water collected to the secondary cooling system.

To collect heavy water vapours (laden gas) vented during normal operation.

To collect heavy water internal leakages from various points of the PHT system. (correct)

What is one of the functions of the Primary Heat Transport leakage collection system?

Collect steam generated in the PHT system.

Remove impurities from the heavy water collected.

Transfer gases to the main reactor chamber for cooling.

Receive heavy water from a separate Heavy Water Addition Station. (correct)

Where does the Primary Heat Transport leakage collection system vent gases for heavy water recovery?

Fuelling machine vault air dryers. (correct)

Heavy water addition station reactor.

PHT purification IX and Filters.

Auxiliary building for chemical reaction.

When does the Primary Heat Transport leakage collection system transfer heavy water to the primary system?

After purification through a separate circuit. Signup and view all the answers

What happens if heavy water is collected by the Primary Heat Transport leakage collection system?

It goes through a clean-up system leading to plant upgrading. Signup and view all the answers

What is NOT a function of the Primary Heat Transport leakage collection system?

Collecting steam released from the PHT system. Signup and view all the answers

What type of filters were replaced in the PHT purification system to enhance filtration efficiency?

0.1 micron rating 'Positive Zeta potential' filters Signup and view all the answers

Which component is used in the PHT purification system for draining and venting of filter vessels & IX columns?

Leakage collection tank (3371-TK-3) Signup and view all the answers

What is the maximum flow capacity that the PHT purification system is designed to handle?

2000 lpm Signup and view all the answers

What is the purpose of the bleed flow in the purification system during normal operation?

792 lpm at 40°C from the heat transport system Signup and view all the answers

Which flow is NOT part of the normal operation in the PHT purification system?

2000 lpm maximum flow capacity Signup and view all the answers

What additional component is involved in the purification system after bleed cooler outlet?

PHT leakage collection pump discharge line Signup and view all the answers