System for separating gas from a liquid flow whose volume is to

Details System for separating gas from a liquid flow whose volume is to System for separating gas from a liquid flow whose volume is to

1991-12-04

1993-08-03

Nilson, Robert G.

Fluid handling

Diverse fluid containing pressure systems

Fluid separating traps or vents

F16T 100

Patent

active

052320065

ABSTRACT:
A system for separating gas from a liquid flow whose volume is to be measured with the exclusion of gas inclusions comprises a liquid conduit (5) through which the liquid flow is conducted. The conduit (5) incorporates a volume meter (5), a fluid homogeneity meter (20, 21) arranged upstream of the volume meter, a closure valve (6; 60) and a gas discharge conduit (7; 71) connected to the liquid conduit. The fluid homogeneity meter is constructed to hold the valve (6; 60) in its valve setting in which the liquid conduit (5) is open when the difference between the gas contents of the liquid detected at different time points is lower than a predetermined limit value, and to close the valve (6; 60) when these difference values are not beneath the limit value. The arrangement can be used, for instance, with a system for emptying oil products from a tank in a petroleum tanker. The fluid homogeneity meter may include a pair of electrodes (210, 211) which are mounted in the liquid conduit (5), in which case the meter (20, 21) will detect the capacitance formed by the electrodes and the liquid/or gas present therebetween, and compare the difference between the detected capacitance values with the limit value.

REFERENCES:
patent: 2552088 (1951-05-01), Davis
patent: 3040573 (1962-06-01), Berck
patent: 4266188 (1981-05-01), Thompson
patent: 4543191 (1985-09-01), Stewart

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