The facility’s anhydrous-ammonia forwarding pumps did not allow for double-valve isolation during maintenance. These pumps are only required for use on very cold days. This requires additional maintenance and laying them up for periods of non-use. The system had single-valve isolation from the ammonia storage tank to the suction of the pumps, a potential safety risk for the O&M team.Solution. Plant management decided to install double-block-and-bleed capabilities to the liquid suction line from the storage tank and liquid return line to the storage tank Click Here For Complete Article Text
|
||||||||||||||||||
Application Sequencing | ||||||||||||||||||
|
||||||||||||||||||
Company | Product | Process | Other Subjects | Event | Event Date | Location | Publication | Publication Date | Text Descriptor | |||||||||
|
|
|
|
|
|
|
|
|
|