The purpose of the pressure control disk...

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Question 1 of 2066636ef128f7522a1c52186a

The purpose of the pressure control disk installed in the multi-nozzle soot blower, as shown in the illustration, is to __________. Illustration SG-0023

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Question 1 of 20

66636ef128f7522a1c52186a

The purpose of the pressure control disk installed in the multi-nozzle soot blower, as shown in the illustration, is to __________. Illustration SG-0023

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🔍 Key Concepts

• Operation of a multi-nozzle soot blower and how steam reaches the nozzles • How a pressure control disk uses steam pressure acting on an area to create a force that balances a spring force • Difference between regulating pressure at the valve/nozzle vs simply raising or lowering line pressure

💭 Think About

• Trace the steam path from the supply connection, through the valve, past the pressure control disk, and out to the nozzles. Where does the disk actually sit in that path? • Ask yourself: when boiler pressure changes, what needs to stay relatively constant for the soot blower to clean effectively – the force on a spring retainer, the force on the valve disk, or the supply line pressure? • Look at how the cam opens the steam valve. What problem would occur if the cam alone controlled the valve opening without any pressure‑responsive element like this disk?

✅ Before You Answer

• Identify exactly which component the pressure control disk pushes on according to the illustration (valve stem, spring retainer, or something else). • Decide whether the device is acting like a pressure regulator for the blower nozzles or trying to change the overall boiler/supply line pressure (which is usually fixed by the boiler itself). • Confirm from the drawing whether the disk operates only when the cam has opened/secured the valve, or whether it is there to alter boiler line pressure at all times.

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Question 1 of 2066636ef128f7522a1c52186a

The purpose of the pressure control disk installed in the multi-nozzle soot blower, as shown in the illustration, is to __________. Illustration SG-0023

Back

Question 1 of 20

66636ef128f7522a1c52186a

The purpose of the pressure control disk installed in the multi-nozzle soot blower, as shown in the illustration, is to __________. Illustration SG-0023

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

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