FIELD: tanks for oil and other liquid chemical and oil products, particularly for automatic sample taking along total tank height.
SUBSTANCE: sampling device comprises sample-taking string, valve sections, shutoff three-way valves for section opening as sections are filled with liquid, lower intake pipe with gas outlet valve. The intake pipe is connected to lower shutoff three-way valve. Valve section with expanding part is arranged over lower shutoff three-way valve. Expanding part dimensions provide volume of sample to be taken from this section equal to that of samples taken at all liquid column levels inside tank.
EFFECT: possibility to obtain combined oil, liquid oil product and chemical product samples from any liquid column height along with increased technological simplicity and tank strength.
1 dwg
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Authors
Dates
2008-04-10—Published
2007-01-09—Filed