The Investigation of leakage on the shell of Dryers Shahid Tondguyan Petrochemical Company (STPC)
Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_ICAC-11-40_004
تاریخ نمایه سازی: 5 آذر 1402
Abstract:
This research has been to investigate the cause of the stress corrosion cracking on dryer equipment (۲DR-۱۷۴۵ &
DR-۱۴۰۲) in Shahid Tondguyan Petrochemical Company (STPC). This dryer is as a drying powder Terphetalic
acid in CTA۲ and CTA۱ units. After passing through RVF equipment wet cake moisture content of about ۱۴%
and temperature of ۹۰C changed in to dry cake with a moisture content of less than ۰.۱% and the final temperature
of about ۱۴۰C and sent out Final Silos. After declaration of the operation department concerning the observation
of acid leakage under the primary insulation was decided that at the first opportunity, this issue must be
investigated. So, after the shutdown of unit and after washing the dryer wall, insulation around wall opened and
it was found crack and leakage from some points