Sludge measuring apparatus and ultrasonic probe assembly therefo

Details Sludge measuring apparatus and ultrasonic probe assembly therefo Sludge measuring apparatus and ultrasonic probe assembly therefo

1979-10-02

1982-10-26

Kreitman, Stephen A.

Measuring and testing

Vibration

By mechanical waves

73290V, G01N 2900

Patent

active

043555365

ABSTRACT:
In a steam generator an ultrasonic probe is used to measure the accumulation of sludge between the tubes. A ribbon-like probe carrier is fed into the vessel and deflected by a carriage placed in alignment with a lane of tubes at 90.degree., the probe head being advanced in the lane to measure vertically and sideways the distance to the surface of the sludge. The probe carrier consists of two steel tapes held face-to-face by a plastic tube which has been heat shrunk. The conductors for the transducers are contained in the space between concave tapes. An adaptor mounted at the end of the probe carrier is amovably connected to the probe head. Probe head, adaptor and probe carrier are sealed so that measurement can be conducted inside the steam generator supposedly filled with water.

REFERENCES:
patent: 3821834 (1974-07-01), McElroy
patent: 3950660 (1976-04-01), McElroy
patent: 3987666 (1976-10-01), Blanc et al.
patent: 4121094 (1978-10-01), Di Vito et al.

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