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VertiScan System |
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The
Vertiscan System represents a step change in NDT
technology for the rapid inspection of Water
Wall tubes. |
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Ferroscope 308 |
TubeCAT |
E-Pit Probe |
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The traditional method
of inspecting boiler water wall tubes for loss of wall
thickness is by taking many thousands of ultrasonic
thickness readings spaced several feet apart in elevation.
In order to do this the boiler must be scaffolded and the
tubes usually cleaned to bare metal where the ultrasonic
thickness readings are to be taken. |
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Scaffolding and
cleaning costs often exceed $100,000 and the ultrasonic
inspection can cost the same amount again. |
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If the boiler will be
scaffolded anyway, the tubes can be inspected rapidly with
our E-Pit
hand-held scanning tool that delivers the equivalent of up
to 2000 thickness readings per foot, at a scanning speed of
up to 10 feet/minute. |
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For boilers that are not scaffolded, our TubeCAT
"wall-crawler" can be used to carry the "E-PIT" probe up the
water wall. The crawler can handle water walls up to 200'
height and tube sizes from 1.5" to 3.5". Inspection speed is
10'/minute so an entire wall, 100' high and 100 tubes wide,
can be inspected in less than 3-12 hour shifts. The E-PIT
probe inspects the flame side of the tube to within 1/4" of
each web, using>16 detection coils for high precision. Pits
as small as 1/8" diameter can be detected. |
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To inspect a boiler in the most efficient manner, a VertiScan
System can be used. In this configuration, the E-Pit probe head
interrogates five tubes at once, allowing one entire wall to be
inspected within a 12 hour shift. Three sensors per tube inspect
mainly the crown area of the tubes. The VertiScan System detects gradual, tapered
thinning as well as highly localized corrosion and erosion,
inside or outside the tube. |
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view
the VertiScan in
action |
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Press
play to start video |
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Literature |
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Request for more information |
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