Packing elements for device for countercurrent exchange, particu

Details Packing elements for device for countercurrent exchange, particu Packing elements for device for countercurrent exchange, particu

1984-08-06

1986-06-03

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

Gravity flow type

34170, 34171, 432 96, F26B 1714

Patent

active

045921512

ABSTRACT:
Packing for a column for treating solid particles by direct contact between an ascending gas current and solid particles flowing countercurrent by gravity within the packing. The packing has an ordered structure, consisting of superposition of at least two stacking elements (1,12), each comprising shaped elements (2, 9) arranged parallel between themselves and with regular spacing, said spacing providing a passage opening between two neighboring shapes between 3 and 20 times, preferably 7 and 15 times, the average granulometry of said particles, and the vertical projection of the shaped elements completely covering a horizontal section of the column. This packing is very specially recommended in the presence of particles with a granulometry greater than 2 mm or having mediocre flow characteristics.

REFERENCES:
patent: 3373503 (1968-03-01), Kune et al.
patent: 3710453 (1973-01-01), Whelpley
patent: 4039290 (1977-08-01), Inade et al.
patent: 4423558 (1984-01-01), Meunier
patent: 4450895 (1984-05-01), Meunier et al.

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