CPC G01N 13/00 (2013.01) [E21B 25/005 (2013.01); G01N 2013/003 (2013.01)] | 3 Claims |
1. A natural gas diffusion coefficient measurement auxiliary device of a hand-operated lifting device, comprising:
a core chamber (1), a bracket (2), a core preservation device (3), and a hand-operated lifting device (4);
the left side of the core chamber (1) is connected with a methane measuring chamber, and the right side of the core chamber (1) is connected with a nitrogen measuring chamber;
a rotatable bracket (2) installed on the lower left side of the core chamber (1), and the lower right side of the core chamber (1) is connected with the hand-operated lifting device (4);
the core chamber (1) is rotatable by the hand-operated lifting device (4) with the bracket (2) as the center;
a horizontal platform at the lower part of the core chamber (1) is provided with a revolving door that can accommodate the left end of the core chamber (1); and
a core preservation device (3) is installed at the lower part of the revolving door.
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