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Processrelated corrosion have caused 3mm deep pittings in the stainless steel compound material. All the corroded compound material is removed by Uddcombs unique remote controlled mechanized grinding units. The automated grinding is done prior to the automated overlay welding with the Uddcomb Method. The total preparation time for grinding of the corroded base material was cut with 5 days on critical path. The remote-controlled mechanized grinding units provided also huge HSE improvements of the normal harsh and risky manual grinding environment inside a confined space. The quality of the grinding was also dramatically improved.
A higher alloyed filler material compared to the original design is used due to process changes and in order to get an increased corrosion protection after refurbishment compared to the original design. We offer a life-time extension solution of the pressure vessel where we upgrade and deliver a pressure vessel in a “better than new” condition without having to replace the vessel.
Processrelated corrosion have caused 3mm deep pittings in the stainless steel compound material. The corrosion have entered into the pressure retaining carbon steel and its urgent to stop further corrosion prior severe damages of the pressure vessel shell
All the corroded compound material is removed by Uddcombs unique remote controlled mechanized grinding units. The automated grinding is done prior to the automated overlay welding with the Uddcomb Method. The total preparation time for grinding of the corroded base material was cut with 5 days on critical path. The remote-controlled mechanized grinding units provided also huge HSE improvements of the normal harsh and risky manual grinding environment inside a confined space. The quality of the grinding was also dramatically improved. A higher alloyed filler material compared to the original design was then used in order to get an increased corrosion protection after refurbishment compared to the original design. We offer a life-time extension solution of the pressure vessel where we upgrade and deliver a pressure vessel in a “better than new” condition without having to replace the vessel.
Shorter outage periods with several days (saves both costs and time on critical path), improved HSE environment (no manual grinding), improved quality of the grinding (controlled grinding process) Improved final results due to this new innovative technology.