Film fill-pack for inducement of spiraling gas flow in heat and mass transfer contact apparatus with self spacing fill-sheets

A spacing arrangement for heat transfer devices and mass transfer devices having film fill-packs, said fill-packs having at least two adjacent fill-sheets and means for arranging said fill-sheets,

• each said fill-sheet having a first side edge, a second side edge, a top edge, a bottom edge, a longitudinal axis, and a transverse axis, said spacing arrangement comprising:
• each said fill-sheet having an obverse surface and a reverse surface,
• said adjacent fill-sheets initially provided at a nested position and shiftable between said nested position and an operational position in said heat and mass transfer devices;
• means for separating on each said fill-sheet;
• said means for separating positioned on one of said obverse and reverse surfaces,
• said means for separating on adjacent fill-sheets matable at said nested position, said separating means operable to define a predetermined offset gap between adjacent fill-sheets at said operational position after an offset shift of said fill-sheets on said means for arranging,
• said offset gap is between about one-half inch and twelve inches.

A spacing arrangement for heat transfer devices and mass transfer devices having film fill-packs, said fill-packs having at least two adjacent fill-sheets and means for arranging said fill-sheets,

• each said fill-sheet having a first side edge, a second side edge, a top edge, a bottom edge, a longitudinal axis, and a transverse axis, said arrangement comprising:
• each said fill-sheet having an obverse surface and a reverse surface,
• said adjacent fill-sheets initially provided at a nested position and shiftable between said nested position and an operational position in said heat and mass transfer devices;
• means for separating on each said fill-sheet;
• said means for separating positioned on one of said obverse and reverse surfaces,
• said means for separating on adjacent film-sheets matable at said nested position, said separating means operable to define a predetermined offset gap between adjacent fill-sheets at said operational position after an offset shift of said fill-sheets on said means for arranging;
• each said fill-sheet having at least one mounting passage impression with a first outline having a first and major axis with a first length,
• a second outline defined on said first outline and having a central position on said major axis,
• said first outline having a central position on said major axis displaced from said second outline central position,
• said first and major axis with a first length extending through said first outline central position and said second outline central position,
• at least one second and minor axis with a second length shorter than said first length and extending through one of said first outline and second outline central position,
• one of said first and second mounting-passage outlines defining a first aperture, the other of said first and second mounting-passage outlines defining a second aperture,
• one of said first and second apertures provided on each said fill-sheet in said fill-pack,
• at least one of said two adjacent fill-sheets of said fill-pack having one of said first and second apertures and the other of said at least two adjacent fill-sheets having the other of said first and second apertures,
• said means for arranging extending through said first and second apertures of said adjacent fill-sheets to provide at least one of arranging said fill-sheets in an ordered arrangement and supporting said fill-sheets in said devices.