Verfahren und Einrichtung zum Erkennen von Steinen in einem Fördergutstrom

A radiometric measuring system measures the density of the bulk material across the full width of a conveyor belt (3). If the density exceeds a threshold, a stone is detected and the size of the stone is measured. According to the dimensions of the stone, it is retained, rejected or the conveyor is...

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Bibliographic Details
Main Authors PETACK, BURKHARD, JOHN, MANFRED, BITTNER, HANS-JUERGEN
Format Patent
LanguageGerman
Published 29.09.2005
Edition7
Subjects
COLORIMETRY
DETECTING MASSES OR OBJECTS
GEOPHYSICS
GRAVITATIONAL MEASUREMENTS
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT
MEASURING
PHYSICS
RADIATION PYROMETRY
TESTING
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Summary:A radiometric measuring system measures the density of the bulk material across the full width of a conveyor belt (3). If the density exceeds a threshold, a stone is detected and the size of the stone is measured. According to the dimensions of the stone, it is retained, rejected or the conveyor is stopped. An apparatus for detecting stones is also claimed.
Bibliography:Application Number: DE19971052686