HOW AN EXPERIENCED FABRICATOR CAN PROVIDE SUPPORT TO SITE ACTIVITIES TO UPGRADE EXISTING UNITS TO NEW OPERATIONAL REQUIREMENTS

摘要

Some examples how an experienced fabricator can manage in-field alteration of critical equipment in order to satisfy new customer needs are presented and relevant implications evidenced. 1) Site modification of a Cr-Mo-V Reactor A high thickness, large diameter 2.25Cr-lMo-0.25V Hydrocracker Reactor was completed in field by performing three circumferential seams and related LPWHT. Since the Customer decided to modify the process and to add a new catalyst bed, design changes were implemented to add a new catalyst bed and a new 8" quench nozzle. 2) Rehabilitation of existing Reactor