Apparatus for measuring entrained gas phase content

Details Apparatus for measuring entrained gas phase content Apparatus for measuring entrained gas phase content

G - Physics

01

N

73/103

G01N 7/00 (2006.01)

Patent

CA 1282256

ABSTRACT OF THE DISCLOSURE The invention is an apparatus for determining entrained gas phase content of process streams comprising collection, isolation, and compression of a process sample, measurement of the compressive behav- ior, and calculation of the volume of entrained gas phase by means of a thermodynamic equation of state. The sample is collected in a cylinder between a piston and a sealing plate. An actuator mounted on the piston forces a piston rod into the contained sample where any gas phase is compressed. A pressure transducer measures change in pressure and another transducer measures linear travel of piston rod of give informa- tion on volume change of the sample. The actuator travels with the piston as it is reciprocated by a first actuator to draw in or expel a sample. The apparatus is well adapted for automatic on-line measure- ment. A microprocessor operated control system for automatic operation is described.

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