Document pqkVvdLBnn8VMa4r58OkXjzw

DownloadSearchable PDFRandom document
Company: DOW CHEMICAL CO. " -ocess: HDPE - POLY B Worksheet HAZOP-PC 1.00 Node: 7 Page: 1 +----------- ---------------- ------------------ """ ------------------ ---------- ------------------------------------ -- ' --' ------------ -------- -- i- Node: 7 D-2302 Vent to Flare Header Parameter: Flow Intention: 218 Lb. / Hr. H----------------------H---- -------------- ----|------------ -- -- -- --------+---- -- ------------------------------------------ ------------------I------------ -- -- --------------------------------------- 1 --+ |GUIDEWORD|DEVIATION| POSSIBLE CAUSES | CONSEQUENCES | RECOMMENDATIONS |BY | +-------------------+------------------- +-------------------------------------+---------------------------------------+------------------------------------- +------+ No No Flow Train shut down. Condensation from Evaluate nitrogen GH Loss of feed to flare header. purge in line. DR-2007. D-2302 High pressure in contamination. the flare header. Valve blocked. More More Flow See More Pressure Reverse Reverse See No Flow Flow +------------------+------------------ +----------------------------------- +------------------------------------- +----------------------------------- +----- + D0 A 120957 CONFIDENTTAL Worksheet HAZOP-PC 1.00 Company: DOW CHEMICAL CO. ocess: HDPE - POLY B Node: 7 Page: 2 4 ----------------------------- --- --------------------------------- ------------------------------------------------------ ---t---- ---- ---------------- -- ~ -------- f Node: 7 D-2302 Vent to Flare Header Parameter: Pressure Intention: 1. psig +--------+------------------+------------------------------------------------------------------"+----------------------------------+------+ |GUIDEWORD|DEVIATION| POSSIBLE CAUSES I CONSEQUENCES | RECOMMENDATIONS |BY | +------------------- +------------------- +-------------------------------------+---------------------------------------+-------------------------------------+------+ More Higher Pressure Evaluate place to GH route reactor compressor seal flush,D-2010 return line. +-------------- +-------------- +---------------------------+---------------------------- +---------------------------+---- + DO A 120958 CONFIDENTIAL