FIELD: measuring equipment.
SUBSTANCE: group of inventions relates to measurement equipment and can be used to assess quality of iron-ore material during production using mining loading devices, mainly excavators and frontal loaders. Method of iron-ore material quality controlling opening is formed in bucket wall, which on inner side of bucket is closed with plug made of nonmagnetic material. In area of formed cavity magnetic field is created by means of permanent magnet with axial magnetization. Measurement of magnetic field variation during bucket filling with rock is performed by means of two digital magnetometers, installed symmetrically relative to magnet in plane, perpendicular to axis of magnet and passing through its center, with opposite oriented measuring axes. Composite signal of magnetometers is transmitted over wired or wireless communication channel on located in mining loading facility cabin and/or control station receiving device, in which according to magnetometers readings correspondence table and iron content percentage content of iron in material is determined, present in bucket. If iron content is not less than specified one, then material in bucket is referred to ore and only when it runs on loading.
EFFECT: technical result is aimed at increasing efficiency of mining loading facility by assessing quality of iron-ore material directly in bucket of loading facility with accuracy, providing referring material to ore or rock.
17 cl, 5 dwg
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Authors
Dates
2016-08-20—Published
2014-12-17—Filed