Scale monitoring means and method

Thermal measuring and testing – Distance or angle – Thickness – erosion – or deposition

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374 33, 374 45, G01N 2544

Patent

active

047187743

ABSTRACT:
The present invention is a system and method for determining the onset of scale in a pipeline carrying a petroleum liquid. A source provides electrical energy to a heating element in a housing adapted to fit in the pipeline. The housing also encloses a sensor for sensing the temperature of the petroleum liquid and providing a corresponding electrical signal. The housing is arranged with the heating element and the sensor in such a manner that there is heat transfer to and from the petroleum liquid so that as scale starts to coat the housing it affects the transfer of heat.

REFERENCES:
patent: 3913378 (1975-10-01), Hausler
patent: 4098662 (1978-07-01), Schell et al.
patent: 4383438 (1983-05-01), Eaton

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