Process of electric pipeline heating utilizing heating elements inserted in pipelines
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United States of America Patent
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Jan 26, 1993
Grant Date -
N/A
app pub date -
Aug 28, 1991
filing date -
Aug 28, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process to clear pipelines carrying fluids viscous and/or rich in organic residues includes the introduction of a heating element inside a pipeline carrying the fluids through a coupling spool which is intercalated in the fluid-carrying pipeline. Simultaneously an electric current is applied to the heating element so that the heat generated by the heating element is transmitted to the viscous fluid or to the compacted residual mass inside the fluid-carrying pipeline, causing the detachment of those residues from the internal wall of the pipeline and re-establishing the conditions for fluid flow.
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