Checking heat exchanger tubes with an eddy-current integrity tes

Details Checking heat exchanger tubes with an eddy-current integrity tes Checking heat exchanger tubes with an eddy-current integrity tes

1996-10-25

1999-03-16

Snow, Walter E.

Electricity: measuring and testing

Magnetic

Magnetic sensor within material

G01N 2772, G01N 2782, G01R 3312, B24C 100

Patent

active

058835121

ABSTRACT:
A method for checking heat exchanger tubes of metallic material includes drying inner surfaces of the heat exchanger tubes. A compressed air-abrasive mixture is then led through the heat exchanger tubes. An eddy-current integrity test of the heat exchanger tubes is then performed.

REFERENCES:
patent: 4306914 (1981-12-01), Long
patent: 5134367 (1992-07-01), Griffith et al.
Siemens AG Power Generation Group, XXI Reunion Annual, "Effective Heat Exchanger Tube Cleaning by Advanced Mechanical Methods" by Roumiguiere et al..

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