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Question Details
 
Following are the details of the question you selected. You may submit a response to this question or post a new question.
 
Question No.:  5918 Category :  Refining Operations
Date Posted:  9/7/2017
Subject: Steam Drum
 
Question:
Why are Steam Drums/Boilers usually kept at a higher Elevation than the rest of the Vessels?
Submitted by :
Name:
Company Name:
Location:
EMail:

Pavan Kumar R
BPCL
Kochi, Kerela, India 
pkumar.chn@gmail.com


 

Number of responses : 2
Response 5918-1
Date : 9/10/2017

If it is a thermostatic arrangement, you want 2-phase flow in the pipe exiting the place where steam is produced. Static head difference is needed to have an adequate flow rate for 2-phase flow to be achieved.

Name - Ralph Ragsdale
CompanyName - Ragsdale Refining Courses
Location - Houston, TX, USA
Email - ralph.ragsdale@att.net

Response 5918-2
Date : 9/10/2017

I have operated bi-drum boilers that are installed in the ground level in the middle of the refinery in the Utilities sections with mud drum almost close to ground level. Yes Steam drums normally on the higher level as the tubes between the steam drum and the mud drum lays in between positioned in the fire box. Sub-cooled water travels down the tubes into the lower drum. The water is then distributed to the other tubes where it is partially converted to steam and returned to the steam drum.

Name - Rajan Natrajan
CompanyName - AIMS
Location - Abu Dhabi, UAE
Email - rajan@aimsgt.com

 




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