Rotary drum sampling device

Details Rotary drum sampling device Rotary drum sampling device

1991-01-09

1992-04-14

Raevis, Robert

Measuring and testing

Sampler, sample handling, etc.

Flow divider, deflector, or interceptor

G01N 100

Patent

active

051036835

ABSTRACT:
A device for systematic sampling coarse material sliding down an inclined chute. A bottom portion of the chute is removed and replaced by a sampling device mounted below the chute opening. The sampling device includes a drum for receiving the sample, a gate mounted to the bottom of the chute for rotation between open and closed positions and a motor for rotating the drum. The outer surface of the drum is provided with an opening. The drum is rotated until the drum opening is aligned with the chute opening causing the gate to be rotated to its open position. Material is diverted from the chute into the drum. After the sample is obtained, rotation of the drum is continued until the gate is closed so that the material continues to slide down the chute without passing into the drum.

REFERENCES:
patent: 1063725 (1913-06-01), Petersen
patent: 1423890 (1922-11-01), Warner
patent: 2020529 (1935-11-01), Thorsten
patent: 3241371 (1966-03-01), Horeth
patent: 4574645 (1986-03-01), Allen et al.
ISO 3082: 1987(E), FIG. 6.

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