Analysis of a material in particulate form

Details Analysis of a material in particulate form Analysis of a material in particulate form

G - Physics

01

N

G01N 15/00 (2006.01) G01N 1/20 (2006.01) G01N 21/05 (2006.01) G01N 21/17 (2006.01) G01N 21/85 (2006.01)

Patent

CA 2493652

An apparatus (10) for analysing material in particulate form is disclosed. The apparatus (10) comprises a vertically elongate housing (12) having an open upper end (26) and a restricted outlet at the lower end. A probe (28) directs light through a transparent cover (22), provided in one wall of the housing (12), and collects light reflected from particulate material in the housing (12). A slide valve (24), which includes a U-shaped section (30) and a T-shaped section (34) with a hole (32) therebetween, partially closes the outlet of the housing (12). Movement of the slide valve (24) by means of a knob (56), rod (36) and coil spring (44) allows for adjustment of the flow rate of the material through the apparatus (10), as well as for clearing blockages which may occur at the exit of the apparatus (10).

On divulgue un appareil (10) pour l'analyse d'un matériau à l'état particulaire. L'appareil (10) comprend un boîtier allongé verticalement (12) ayant une extrémité supérieure ouverte (26) et une prise limitée à l'extrémité inférieure. Une sonde (28) dirige la lumière à travers un couvercle transparent (22), prévu dans une paroi du boîtier (12), et recueille la lumière réfléchie à partir du matériau particulaire dans le boîtier (12). Un tiroir (24), qui comprend une section en U (30) et une section en forme de T (34) avec un trou (32) entre les deux, ferme partiellement la sortie du boîtier (12). Le mouvement du tiroir (24) au moyen d'une poignée (56), d'une tige (36) et d'un ressort à spirale (44) permet un réglage du débit du matériau à travers l'appareil (10), ainsi que la suppression de blocages qui peuvent se produire à la sortie de l'appareil.

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