SU423845A1 - DEVICE FOR AUTOMATIC SELECTION OF WOB, GRANULATED MATERIALS i G, I. ":". - Google Patents

Description

one

The invention relates to the field of automatic sampling of materials for their automatic or laboratory analysis and can be used, for example, in the manufacture of iron ore pellets and other granular materials.

Known selective devices containing intake organs. However, these devices do not provide reliable selection of pre-sample granulated materials from conveyor belts and supply them in a convenient form to analyzing devices due to the fractional sampling of material and complexity of the design.

The DIFFERENCE of the proposed device is that the intake bodies are made in the form of truncated semi-cones (Voronak), corresponding to the size of the granules, rigidly fixed on the shaft by means of adjustable lengths mounted at an angle to each other. The outer side of the half-cones is perpendicular to the lever of attachment, which allows the selection of the granule at the corresponding point of the flow section. The length of the levers and their positioning over the length of the shaft are set so that for each revolution of the shaft, the granules are taken over the entire flow section.

Such a device filling allows continuous automatic selection of a representative sample over the entire cross section of the flow and feed it one granule or a certain group of granules to the analyzing device.

The drawing schematically shows the described device.

The sampling device includes truncated half-cones I, opposite to the attachment to the spoke, the side of which is perpendicular to the lever, and the other side is inclined at an angle of 45 °; The spokes 2, the length of which is adjusted by nuts 3, fastening the spokes to the drive shaft 4 through holes made in this shaft 1POD with an angle to each other; tray 5, feeding granules to the analyzing device 6.

Driven actuated truncated laconus 1 Are alternately entering the stream of pellets moved by the conveyor 7, and the linear velocity of the sholuconus

1ftRTftoroMeffbH№ of speed. Granule falling. One granule enters the stream that enters the truncated half-cone and fills it. After exiting the stream and reaching the side of a semi-cone, perpendicular to the base,

5, the angle of repose, the granule falls out of the half-cone at a certain distance from the main flow and enters the tray 5, set at an Angle greater than the angle of repose, due to which the granules are transported, to the analyzer 6. Random. eliminates the choice of installation location of the intake organ and the length of the spokes 2.

The subject of the invention.

A device for automatic sampling of granular materials consisting of intake bodies fixed at an angle

and at a distance from one another on the drive shaft, characterized in that, in order to take a sample along the width and thickness of the flow of granulated material, the intake bodies are made in the form of truncated half-cones fixed to the shaft by means of adjustable length, and the outer side of the half-cone Perpendicular Equal to the lever of fastening.