According to the illustrated diagram, what is the correct sequential order of heat exchangers that the main condensate pump pumps condensate through? Illustration SG-0010
• Follow the main condensate pump discharge line on the SG-0010 diagram and note each heat exchanger it passes through in order • Recognize the symbols and labels for the main air ejector condenser, gland exhaust condenser, first stage feed heater, and deaerating feed tank • Remember that condensate usually flows from lower temperature equipment toward higher temperature/feed system components
• Starting at the outlet of the main condensate pump, which labeled heat exchanger does the condensate enter first? Trace that line carefully before it branches or joins other lines. • After the condensate leaves the first heat exchanger, where does that same line go next—does it pass through another condenser or does it go toward the feed tank or feed heater? • Which of the listed components in the options is the last one on this path before the condensate joins the main feed path toward the boiler/economizer?
• Verify you are tracing the solid condensate line from the main condensate pump, not an auxiliary or makeup line. • Confirm the exact order of labels encountered along that single path: main air ejector condenser, gland exhaust condenser, first stage feed heater, and deaerating feed tank. • Make sure no parallel or bypass lines are being mistaken for the main normal-operating line before choosing the sequence.
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