SIS replacement project at refinery
10 January 2012
An order for the end-of-life replacement of Safety Instrumented Systems (SIS) within two processing units at Petroplus’ Coryton Refinery in England has been received by Hima-Sella. The facility is a fluid catalytic cracking refinery with a throughput of 220,000 barrels every day.
Petroplus is currently replacing SIS equipment that protects the Naphtha Hydrotreating and Continuous Catalytic Reformer processing units. The SIS is to be implemented using two HIMA HiQuad H51q-HS Programmable Electronic Systems (PES), designed to meet IEC61508 SIL2, and will be located in a local instrument house. In addition, further HiQuad systems are already in use at the facility, protecting the Cracking Complex and Bitumen Road Loading Facilities. Extending the use of the system will enable the company to consolidate on-site spares required for the system.
The SIS project involves the replacement of Hima-Sella equipment which was commissioned in 1984 and which is now facing component obsolescence issues. The new HiQuad systems will be supplied with tiled matrices for indicating local unit conditions such as start-up overrides, output conditions, emergency shutdowns (ESDs) and a variety of site-wide general alarms.
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