| Sofronas, T., Consulting Engineer, Houston, Texas
Analyzing failed parts or poor operation requires the proper
skills and equipment. Sometimes these investigations are not
always very difficult. Often, troubleshooting a failure just
requires a logical approach and applying some common sense.
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when we have a hot pump , we prefer to line up the pump with the hot product and after 3 hours we make the alignment.it gives good results : no vibration.if we start straight by cold alignment , we need to have the details of the vertical and horizontal deports.until now , I know some GE compressors still have serious vibration problems because of using a rigid coupling with gas turbine .
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Engineers and designers are highly skilled individuals. Forcing them to enter design changes using tables, forms and spreadsheets is unproductive and uneconomical, and it increases the likelihood of human error—this is the way that most instrumentation software systems currently work. For too long, software vendors have denied engineers and designers the simple practicality of a graphical visual engineering interface with “drag and drop” capability and inbuilt intelligence, ensuring changes are automatically replicated into all the associated data and databases.
D. GIBSON, AVEVA
As low oil prices make naphtha cracking margins in Europe and Asia more competitive, are investments in new, ethane-based petrochemicals capacity in the US and Middle East becoming less attractive?
Yes, ethane cracking is less economical
No, ethane cracking is still the future
Too early to tell