Process for hydraulic transport of bulk material

Details Process for hydraulic transport of bulk material Process for hydraulic transport of bulk material

1998-12-10

2000-02-15

Michalsky, Gerald A.

Fluid handling

Processes

With control of flow by a condition or characteristic of a...

137 1, 137 92, G05D 700

Patent

active

06024111&

ABSTRACT:
In a process for hydraulic transport of bulk material from a receiving site to a remote location via a conveying pipeline, a dispersion is prepared from bulk material and a liquid, and conducted into a feed pump which has a pressure side in communication with the entry into conveying pipeline, whereby a fraction of the liquid is withdrawn at a location between the pump and the entry into the conveying pipeline. Suitably, either the volume flow of the withdrawn fraction of the liquid represents a manipulated variable which is changed in dependence on a controlled variable constituted by the volume flow through or pressure in the conveying pipeline, or/and the dispersion is produced upstream of the feed pump from a controllable bulk material stream and controllable liquid amount, whereby the amount of liquid may also include at least a fraction of the liquid withdrawn from the pressure side of the feed pump.

REFERENCES:
Dissertation, entitled Hydraulische Forderung von Eis zum Kuhlen von Bergwerken, Technical University of Hannover, 1991, pp. 74-77.

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