regeneration tower d-1302 inspection

8/19/2019 Regeneration Tower D-1302 Inspection

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SaharaPetrochemicals

Company & Its Affiliates

RELIABILITY SECTION

STATIONARY EQUIP ENT INSPECTION REPORT

!ate o" Inspection#$% ' $%((

Plant# P!) E*+ipment No,# ! (-%$ !escription# Re.enerationTo/er

Reason "or Inspection#

On third week of June 2011, Operation had issue with catalyst plugging onregeneration tower D-1302. Hence it was decided to open the tower and pull out theinternal screen.

Inspection S+mmary#

he Joint inspection of !elia"ility with #O$ was done of the inner screen "asket of D-1302 and following are the o"ser%ations& reco''endations.

Inspection !etails (e.g. )ndings in details, pictures, full description, attach'ents,etc*+

he inner screen "asket was o"ser%ed to "e defor'ed "elow the top lank o/ plate

he screen %ertical slits are wa%ed at the sides allowing for a larger thanthe re uired design

gaps "etween %ertical slits due to o%erheating. lso the inner screen wasfound fouled with

catalyst )nes.

Our ref: REIR Form-RLB-SE-2009 $age ( of 0


2/5



RELIABILITY SECTION


Innerscreen p+lle1 & 2ept on plat"orm

Our ref: REIR Form-RLB-SE-2009 $age $ of 0


3/5



RELIABILITY SECTION


O+t screeninsi1e the shell

eas+rement "romOur ref: REIR Form-RLB-SE-2009 $age - of 0


4/5



RELIABILITY SECTION


o+tsi1e

3el1e1 plate "rom insi1e

Recommen1ations#

o plug the larger holes "y a plug plate of 2'' thick, 300 '' long 34.1''wide, speci)cation 5#5306, electrode 7!304

he location was 'arked "y the #O$ fro' the outside of the screen !eferattached photos

8eld has to "e a )llet type on the support rings, the plate inserted and pressed to"end

to the shape of the ring screen periphery, "etween the gap of the upper andlower rings

he plug plate was welded, inspected and found accepta"le "y relia"ility and #O$.9nner screen was cleaned with wire "rush.

Our ref: REIR Form-RLB-SE-2009 $age 4 of 0


5/5

regeneration tower d-1302 inspection

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