Thermal Lance In Action - Scrapping a 2 million dollar FPSO turret bearing
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*THE BEARING* The bearing in this video is only 10 years old and came from the turret of one of our FPSO's. The FPSO in question, 'Xikomba', is in Keppel Shipyard, Singapore for a refit and we found the bearing had too much clearance and the vendor could not guarantee it for another 15 years, which was to be its next deployment length. So I ordered a new one, and had the old one cut up for disposal. The main material of the bearing is carbon steel, the axial and radial rollers are heat treated carbon steel and there is an inconel overlay on the nose ring sealing face.
*THE THERMAL LANCE* Thermal lances are a relatively simple means of quickly cutting through metal and other hard materials, even concrete. Oxygen is applied through one end of iron conduit pipe which contains 5-6 iron rods which run the length of the conduit (sometimes some of these rods are magnesium for a higher burn temperature).
An oxyacetylene torch is applied to the free end of the conduit with has oxygen flowing through, and when the iron is ignited, the oxygen keeps it burning at up to 4000 degrees celcius, thus giving it the capability to melt through most materials. The Conduit and rods will slowly melt themselves, at which point the operator must turn off the oxygen and remove the used stub.
Видео Thermal Lance In Action - Scrapping a 2 million dollar FPSO turret bearing канала James Inglis Riach
*THE BEARING* The bearing in this video is only 10 years old and came from the turret of one of our FPSO's. The FPSO in question, 'Xikomba', is in Keppel Shipyard, Singapore for a refit and we found the bearing had too much clearance and the vendor could not guarantee it for another 15 years, which was to be its next deployment length. So I ordered a new one, and had the old one cut up for disposal. The main material of the bearing is carbon steel, the axial and radial rollers are heat treated carbon steel and there is an inconel overlay on the nose ring sealing face.
*THE THERMAL LANCE* Thermal lances are a relatively simple means of quickly cutting through metal and other hard materials, even concrete. Oxygen is applied through one end of iron conduit pipe which contains 5-6 iron rods which run the length of the conduit (sometimes some of these rods are magnesium for a higher burn temperature).
An oxyacetylene torch is applied to the free end of the conduit with has oxygen flowing through, and when the iron is ignited, the oxygen keeps it burning at up to 4000 degrees celcius, thus giving it the capability to melt through most materials. The Conduit and rods will slowly melt themselves, at which point the operator must turn off the oxygen and remove the used stub.
Видео Thermal Lance In Action - Scrapping a 2 million dollar FPSO turret bearing канала James Inglis Riach
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