SYSTEMS AND METHODS FOR MEASURING MATERIAL FLOW

摘要

A method of measuring the volume flow rate of a liquid including providing a flow of the liquid, tapping off a portion of the flow of liquid and using a Coriolis meter to measure the density of that portion of the flow of liquid, passing at least part of the flow of liquid through a Venturi meter, and using the density of the liquid as measured by the Coriolis meter in calculating the volume flow rate of fluid through the Venturi meter.

主权项

1. A method of measuring the volume flow rate of a liquid, comprising:
providing a flow of the liquid, wherein at least part of the liquid flows through a positive displacement pump; tapping off a portion of the flow of liquid and using a Coriolis meter to measure a density of the portion of the flow of liquid; passing at least part of the flow of liquid through a Venturi meter; and using the density of the portion of liquid as measured by the Coriolis meter in calculating a volume flow rate of fluid through the Venturi meter; using the volume flow rate through the Venturi meter and the volume flow rate through the Coriolis meter in calculating a first value of a volume flow rate through the positive displacement pump; counting pump strokes of the positive displacement pump to generate a count of pump strokes; using the count of pump strokes to calculate a second value of the volume flow rate through the positive displacement pump; and comparing:
the first value of the volume flow rate through the positive displacement pump as calculated by using the volume flow rate through the Coriolis meter and the Venturi meter;with the second volume flow rate through the positive displacement pump as calculated by counting the pump strokes.