METHOD AND DEVICE FOR TAKING A SAMPLE IN A STEAM GENERATOR
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United States of America Patent
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app pub date -
Feb 19, 2013
filing date -
Aug 17, 2010
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Abandoned
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Abstract
A method takes a sample of a deposit on a secondary side of a pipe base plate of a steam generator of a nuclear power plant, In the method a steam generator pipe is removed from the pipe base plate to expose a hot pipe bore penetrating the pipe base plate. A removal tool of a device for taking the sample is introduced into the hot pipe bore by the primary side of the pipe base plate which is opposite the secondary side. A part of the deposit is removed by the removal tool as the sample. The sample is transported and removed from the steam generator. The removal tool is removed from the steam generator. The device contains the removal tool which can be introduced by a primary side of the pipe base plate in an exposed hot pipe bore penetrating the pipe base plate for removing the sample.
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