Method and apparatus for monitoring and analyzing recirculation

Details Method and apparatus for monitoring and analyzing recirculation Method and apparatus for monitoring and analyzing recirculation

1992-10-27

1993-11-16

Hepperle, Stephen M.

Fluid handling

Processes

73168, 137 14, 137115, 137552, 137557, F16K 3700, G01L 1700

Patent

active

052614379

ABSTRACT:
A method and apparatus for monitoring and analyzing the performance of a recirculation control system are disclosed. According to the invention, the pressure of the liquid passing through the control system is measured directly by pressure and differential pressure transducers at the main inlet, main outlet, and, within the regulation means of the control system. Where the means for regulating the flow of liquid to the recirculation outlet comprises a piston within a piston chamber, the pressure of the liquid within the regulating means is measured in the piston chamber. The pressure data is analyzed to determine valve performance.

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