FIELD: measurement.
SUBSTANCE: present invention discloses an apparatus for experimental determination of gas breakthrough pressure and relates to technical disposal of high-activity radioactive wastes. Device for experimental determination of gas breakthrough pressure comprises cylindrical housing (6) used to place test sample (5), wherein one end of cylindrical housing (6) is the gas inlet end, and the other end is the gas outlet end; gas inlet end is connected to the gas supply device, and the gas outlet end is connected to the gas control device; sealing section is formed on inner wall of cylindrical housing (6); and during test sample (5) is in close contact with inner wall of cylindrical housing (6) for sealing; wherein the sealing section is a plurality of groups of grooves (4) uniformly distributed along the axial direction of cylindrical housing (6); and each group of grooves (4) is located along circumference of inner wall of cylindrical housing (6) or is located in sections.
EFFECT: technical result is higher accuracy of result of experimental determination of gas breakthrough pressure.
5 cl, 4 dwg
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