Maintenance & Reliability
Flow-induced fatigue failure
Case histories describe a variety of failures and solutions
Purging and inerting large-volume tankage and equipment—jet mixing concept—Part 1
Here are the advantages and disadvantages of the various methods
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..
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- Digital Feature: Flare system design—The importance of periodic evaluation of existing facilities 7/2
- Valmet to deliver Valmet DNA DCS to a bio-based process plant in Portugal 7/2
- EIA: U.S. crude and gasoline inventories rise, distillates draw down 7/2
- Indonesia's Pertamina seeks spot gasoline, including Singapore cargoes 7/2
- Northeast Asia sends the most jet fuel to Europe in nearly a year in June 7/2
