×
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

Pressurized shell - water tube boiler

Pressurized shell - water tube boiler

Pressurized shell - water tube boiler

(OP)
Hi All,

Is anyone here familiar with a manufacturer that offers water tube boilers (~50 MW) which have been designed for furnace gas pressures of 0.5 bar(g) shell side?

Thanks,
Howie

RE: Pressurized shell - water tube boiler

How....

Your boiler/combustion needs are unique..

I would search for those boiler fabricators who specialize in waste-gas application for your high-pressure 0.5 bar design. Do you have a limit in mind for the gas side pressure drop and where will such a drop occur in the boiler ????

Do not be surprised if you do not get the thermal efficency that you expect from your unique design as most smaller watertube boilers are designed for + or - 30 IWC casing pressures. Your high-pressure design will probably require compromises which will decrease efficency.

Why must the gas stream be maintained at such a high pressure ?  What is downstream of the boiler ?

An all-welded boiler boiler with membrane walls will probably be best..

Anyone else ?

-MJC

  

RE: Pressurized shell - water tube boiler

sounds like a blast furnace gas BFG case. They are still popular in Japan- check with IHI, MHI, Hitzchi, kawasaki etc.

RE: Pressurized shell - water tube boiler

.5 bar gas supply pressure or .5 bar overfire pressure.
I've dealt with the higher gas supply pressures, never ran into an overfire pressure that high.

RE: Pressurized shell - water tube boiler

(OP)
Thanks for your replies guys. The unit is to be between a thermal oxidizer and a process system which further treats the products of combustion. The pressure I've quoted is the overfire pressure caused by the balance of the plant after the boiler (WHSG).

Howie

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