4 replies to this topic

[derekgabs]

Good day to all, i am tasked to create a design for a vertical fire-tube boiler.

 

The specs that my teacher gave me is that:

 

Pressure: 150KPa

Steam Quality: 90%

 

I am tasked to find the calculation for the BoHP and size dimensions of the said boiler and the steam flow. 

 

Please help me.

[breizh]

derekgrabs,

 

Consider the documents attached , this may help you.

 

The search engine in this forum may assist you too.

 

Good luck,

 

Breizh

Edited by breizh, 08 September 2015 - 08:23 PM.

[derekgabs]

derekgrabs,

 

Consider the documents attached , this may help you.

 

The search engine in this forum may assist you too.

 

Good luck,

 

Breizh

 

thanks sir. will do more research on this.

 

i have just one question though, in my problem, i was given a pressure. is that pressure inside the tank the same as the steam pressure where i can go to the steam tables? or no?

[Art Montemayor]

derekgrabs,

 

Breizh has no possible way of knowing what an un-specific pressure value means - no more than the rest of us on the Forum.  That is YOUR responsibility to find out.  Ask the person (or Prof) who assigned you this task and tell them to be specific when issueing basic data.  If he/she doesn't know, then shame on them.

 

The same comments apply to the "steam quality" value.

[derekgabs]

derekgrabs,

 

Breizh has no possible way of knowing what an un-specific pressure value means - no more than the rest of us on the Forum.  That is YOUR responsibility to find out.  Ask the person (or Prof) who assigned you this task and tell them to be specific when issueing basic data.  If he/she doesn't know, then shame on them.

 

The same comments apply to the "steam quality" value.

 

thanks for the response sir. Unfortunately i haven't had the chance to meet my professor. As for now i just assumed it to be my tank pressure. and also with the sources that sir Breizh has given me with google of course, i had solved the needed values for my design specification. 

 

Currently i am having difficulty in choosing what type of material would i use for my tubes. My design is quite small (more like a bench top Vertical fire tube) and i think copper tube type k with a diameter of 1 inch or larger is not available here in Cebu, Philippines. 

 

Can you please tell me other alternatives which is common to be used of this part. As far as i have searched some suggested using DOM tubes yet there are no local hardwares that sells that type of material here. so i was hoping that if someone can give me other alternatives. 

 

Thanks in advance (by the way my design is kind of in the primitive stage like just a simple VRT that can give a decent output of steam)