Bulk density sampler apparatus

G - Physics – 01 – N

Patent

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Details

G01N 9/02 (2006.01) G01G 19/00 (2006.01) G01G 19/52 (2006.01) G01G 23/18 (2006.01) G01N 1/02 (2006.01) G01N 1/20 (2006.01)

Patent

CA 2185706

Improved bulk density sampler (10) is provided for continuous sampling of material flowing in a material processing stream (16) which includes a sampling assembly including a receptacle (42) of known volume mounted on, and secured to, a load cell (46) configured to selectively measure the assembly weight both when the sampling assembly receptacle is full and empty. Preferably, the bulk density sampler includes a housing (40) for protection of the sampling assembly and receptacle from the product stream and other debris which may be present in the operating environment during the weight measurement. The bulk density sampler also preferably includes a programmable controller (160) which controls the operation of the bulk density sampler (44) and provides additional functionalities such as trend chart analysis, alarm functions, and sampling frequencies (164).

Cette invention concerne un compteur de masse volumique apparente amélioré (10) conçu pour l'échantillonnage d'un flux de matière sous traitement (16) et comportant un dispositif d'échantillonnage formé d'une enceinte (42) de volume connu, verrouillée à une cellule dynamométrique (46) configurée pour peser le dispositif d'échantillonnage alternativement lorsque l'enceinte (42) est pleine et lorsqu'elle est vide. De préférence, l'objet de l'invention comporte une enveloppe (40) servant à protéger le dispositif d'échantillonnage et l'enceinte (42) contre le flux de produit et autres débris susceptibles de se trouver dans l'environnement de travail en cours de pesée. De préférence, l'objet de l'invention comporte également une commande programmable (160) servant à déterminer le fonctionnement de l'échantillonneur en vrac (44) et offrant d'autres fonctionnalités telles que sélection de cadence d'échantillonnage, analyse des tendances et alerte sur détection d'anomalies.

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