Steaming Manhole

Written by Thomas Yoon


Continued from page 1

If there is a manhole atrepparttar top ofrepparttar 133428 boiler and one atrepparttar 133429 bottom, which one would you open first?

Think about it! Hot air rises. Heat travels in convection currents. If you were to openrepparttar 133430 bottom manhole first andrepparttar 133431 top manhole later, you will create a channel forrepparttar 133432 flow of hot air. Hot air fromrepparttar 133433 remaining steam will rise up very quickly and overwhelm you if you are atrepparttar 133434 top manhole.

So always, openrepparttar 133435 top manhole first, followed byrepparttar 133436 bottom manhole. Whenrepparttar 133437 hot convectional current flow, you will be atrepparttar 133438 bottom and not be harmed.

Think safety!

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Blow Away Your Soot!

Written by Thomas Yoon


Continued from page 1
thatrepparttar steam going throughrepparttar 133427 soot blower is dry. 3. Oncerepparttar 133428 steam is considered dry,repparttar 133429 drain valve is shut off, andrepparttar 133430 soot blower is turned. Most soot blowers are constructed in such a way that when it is rotated, a steam port is uncovered and steam can enter into it. 4. The steam shoots out fromrepparttar 133431 soot blower tube that is insiderepparttar 133432 boiler fireside. Many small holes forrepparttar 133433 steam to emerge are drilled alongrepparttar 133434 length ofrepparttar 133435 tube. Asrepparttar 133436 tube rotates,repparttar 133437 position ofrepparttar 133438 steam jet will also move with it. After a full rotation, allrepparttar 133439 areas aroundrepparttar 133440 soot blower tube should be clear of soot. (However, it depends on how thickrepparttar 133441 soot is,repparttar 133442 speed at whichrepparttar 133443 soot blower is rotated, and how efficientrepparttar 133444 soot blowing is) 5. After completingrepparttar 133445 soot blowing,repparttar 133446 steam supply is shut off again.

The operation ofrepparttar 133447 soot blower can be done manually or by remotely controlled motor drive. A motor driven soot blower will usually include some means of turning manually in case repparttar 133448 motor fails.

The soot that is blown away fromrepparttar 133449 heat transfer surfaces of repparttar 133450 boiler will be carried together withrepparttar 133451 hot gases out throughrepparttar 133452 chimneystack.

If there is a dust collector,repparttar 133453 soot will be caught by it, otherwise it goes out torepparttar 133454 environment as particles of carbon and ash.

Folks, hold your breath!

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