On-line gas measurement and analysis system

Details On-line gas measurement and analysis system On-line gas measurement and analysis system

1980-04-22

1982-08-24

Gill, James J.

Measuring and testing

Volume or rate of flow

System

73 231, G01N 3106, G01K 1706

Patent

active

043454631

ABSTRACT:
A system for measuring on-line the energy content and flow of a gas mixture within a pipeline. The system includes a gas chromatograph for producing a time varying signal related to the component composition of the gas mixture. The pressure and temperature of the gas mixture is measured and these signals as well as the time varying signal from the chromatograph are converted to digital form. These signals are applied to control means which produces energy and flow rate signals of the gas mixture in the pipeline based on the on-line pressure, temperature and component composition. These signals are corrected by supercompressibility factor signals as a function of component composition.

REFERENCES:
patent: 3095728 (1963-07-01), Kindred et al.
patent: 3752393 (1973-08-01), Moseley
Agar, J. "The Use of a Density Meter and Microprocessor for Energy Measurement and Control", Appalachian Gas Measurement Short Course, 1978.
Jenkins, D. L. and Robinson, K. "Densitometers for Energy Measurement", Appalachian Gas Measurement Short Course, 1978.
Howard, R. L. "Determination of Calorific Value of Natural Gases", Fifty Third International School of Hydrocarbon Measurement, 1978.
Scholtes, D. F. "Maintenance and Operation of the Electronic Calorimeter", Fifty Third International School of Hydrocarbon Measurement, 1978.
Chambers, T. L. "From MCF to MMBTU", Fifty Third International School of Hydrocarbon Measurement, 1978.
Schwartz, R. D. "Gas Chromatography", Fifty Third International School of Hydrocarbon Measurement, 1978.

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