Ultrasonic detection and diagnosis method for hydrogen damages on water-cooling wall pipe of boiler

Ultrasonic detection and diagnosis method for hydrogen damages on water-cooling wall pipe of boiler

The invention discloses an ultrasonic detection and diagnosis method for hydrogen damages on the water-cooling wall pipe of a boiler. The ultrasonic detection and diagnosis method comprises the following steps of: selecting a pipeline having the same outer diameter as the water-cooling wall pipe nee...

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Hauptverfasser: CHEN HONGDONG, LONG HUIGUO, XIE GUOSHENG, LONG YI
Format: Patent
Sprache:chi ; eng
Schlagworte:
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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creator CHEN HONGDONG
LONG HUIGUO
XIE GUOSHENG
LONG YI
description The invention discloses an ultrasonic detection and diagnosis method for hydrogen damages on the water-cooling wall pipe of a boiler. The ultrasonic detection and diagnosis method comprises the following steps of: selecting a pipeline having the same outer diameter as the water-cooling wall pipe needing to be detected and diagnosed, of the boiler, as a detected pipe sample; using an ultrasonic detection instrument with a pulse-reflection type transverse wave angle probe, and causing the probe to be in close contact with the detection surface of the detected pipe sample; preparing a DL-1 type special test block according to the material of the water-cooling wall pipe of the boiler, and calibrating the performances of the ultrasonic detection instrument and the transverse wave angle probe; drawing a distance-amplitude curve by virtue of the DL-1 type special test block; performing ultrasonic detection for transverse defects on the water-cooling wall pipe needing to be detected and diagnosed, of the boiler; anal
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title Ultrasonic detection and diagnosis method for hydrogen damages on water-cooling wall pipe of boiler
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