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US 9,038,676 B2Granted
Conveying device for powdery and/or granulated material
AssigneeBayer MaterialScience AG
InventorsHerbert Ungerechts, Hans-Joerg Frank, Dieter Scholten, Markus Hagedorn
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Abstract
A conveying device for free-flowing fine-particle solids, in particular for powdery and/or granular (mixed) material, especially plastic granulate, includes a vertically arranged and flexibly mountable telescopic pipe for the conveyance of, preferably, polymer granulates, for example in a plant for the filling of polymer granulates.
Claims13
A conveying device comprising a telescopic conveying pipe having a plurality of pipe segments and including
- a) an initial lifting pipe (10) with a conical inlet flange on an upper conveying pipe segment with radial tolerance compensation and restoring springs;
- b) a continuous transit weigher (11) in flow communication with the conveying pipe segment and having a funnel and a fixed section of pipe segment;
- c) a large lifting pipe segment (13) in flow communication with the fixed section of pipe segment and having a cable winch (15) and slack cable monitor;
- d) a resting ring (16) and filling level monitor on the lifting pipe segment at the telescopic conveying pipe outlet;
- e) an annular flushing device (12) on one of the pipe segments;
- f) one of flushing device components partly fixedly mounted, flushing pipes or a flushing ball with a flange mounted on one of the pipe segments;
- g) tubing in flow communication with one of the pipe segments for compressed air and pipelines for fully demineralized water and waste water;
- h) closing, controlling valves;
- and
- i) a local control unit for filling and flushing processes and operating the valves.
7 more elements
Dependencies are inferred from the claim text.