Maintenance & Reliability
Heat-exchanger failure analysis in a naphtha cracking unit
This case history analyzed the failure and makes recommendations to prevent future failures
Oil-mist lubrication for fin-fan shafts
Tests show it is superior to grease lubrication
Strategize preshutdown work to enhance productivity
Adopt these principles from a refinery revamp project
HP Reliability: Repetitive pump seal failures can cause disasters
Release No. 2004-08-I-NM (http://www.csb.gov), issued in October 2005 by the US Chemical Safety and Hazard Investigation Board, addresses an incident at an oil refinery with a history of repeated pump..
Solve liquid-hammer problems
Here are several options
HP Reliability: Grounding-ring technology for variable-frequency drives
HEINZ P. BLOCH, Reliability/ Equipment Editor     Comments? Write:HB@HydrocarbonProcessing.com   Variable-frequency drives (VFDs) provide substantial energy sav..
Iron sulfides-effect on amine plants
Amine plants treating gas containing H2S will have iron sulfides in the system. Here's where they help and hinder plant operation
HP Reliability: How flawed reward systems cost you dearly
In a US trade journal, someone recently observed that "successful lean implementation needs reliable equipment to prevent disastrous consequences. Together, they increase production capacity, decrease..
HP Reliability: How pump installation must differ from the way pumps were shipped
In general, process pump manufacturers are asked to provide pumps as a "set" or assembled package comprising pump, driver and baseplate (Fig. 1). After ascertaining correct shaft separation to accommo..
Case 54: Is it motor vibration or some other cause?
It's not always the motor causing the vibration
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- Clean Hydrogen Works awards McDermott FEED contract for Ascension Clean Energy (ACE) project 11/21
