Treating gas and fine granular material in panel bed

Details Treating gas and fine granular material in panel bed Treating gas and fine granular material in panel bed

1974-08-28

1977-01-25

Nozick, Bernard

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34168, 55 96, 55 98, 55282, 55350, 55479, F26B 300

Patent

active

040043509

ABSTRACT:
There is provided an improved panel bed gas-solid contactor fitted for puffback cleaning and for use with a relatively fine granular material, such as smaller than about 20 mesh, at large gas face velocities (i.e., the horizontal velocity of gas across the panel bed), in which the fine material is prevented from blowing away from gas exit portions of the panel bed by mounting a column of closely spaced louvers next to these portions, providing a second column of substantially horizontal louvers spaced apart from the closely spaced louvers, and filling the space between the two louver columns with a coarser granular material, such as 10-14 mesh. The coarser material is also preferably denser. The contactor is well suited for use at elevated temperatures.

REFERENCES:
patent: 3296775 (1967-01-01), Squires
patent: 3912466 (1975-10-01), Zenz

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