×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Jobs

Scaled Water Tube Boiler Efficiency

Scaled Water Tube Boiler Efficiency

Scaled Water Tube Boiler Efficiency

(OP)
Are there any rules of thumb on how much efficiency drops from scaled tubes?  For example, let's say that you have a uniform 1/8" thick scaling on all tubes.  What can we say about the efficiency?

Also, just a general question on efficiency of B&W boilers.  I have an old unit operating at 90 psig.  Burner efficiency has 80% rating, but how can I estimate the overall efficiency (gas to steam)?  There is no economizer.

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members!


Resources