Method of determining liquid level of charge stock in...

Details Method of determining liquid level of charge stock in... Method of determining liquid level of charge stock in...

C - Chemistry, Metallurgy

10

G

196/164

C10G 9/00 (2006.01) G01F 23/14 (2006.01)

Patent

CA 1071562

IMPROVED METHOD OF DETERMINING LIQUID LEVEL OF CHARGE STOCK IN THERMAL CRACKING UNIT ABSTRACT OF THE DISCLOSURE An improved method is described for determining the liquid level of a heavy petroleum oil charge stock, e.g. a refinery processing residue, in a thermal cracking unit by measuring the liquid pressure at a location below the liquid level. The improved method comprises introducing a separate stream of said heavy petroleum oil into said thermal cracking unit at said location below the liquid level, said stream being introduced through an opening in said unit at a linear velocity of not less than 5 cm/sec, measuring the pressure of the oil being introduced and determining the liquid level from the pressure measurement.

266520

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