Conveyors: fluid current – Having means to introduce booster fluid into conveyor
Patent
1987-07-09
1989-04-25
Basinger, Sherman D.
Conveyors: fluid current
Having means to introduce booster fluid into conveyor
406 14, 406 94, B65G 5330
Patent
active
048242942
ABSTRACT:
The hydraulic forwarding of solids over long distances and/or differences in height is effected by means of tube-chamber distributor systems which operate as pressure locks on the booster principle, where use is made of pressure-measurement instruments, shut-off devices with limit switches and time switches. These control means effect the continual changeover between the filling of the particular tube chamber concerned with the slurry to be forwarded and the emptying of the same by the application of pressures with the forwarding liquid so that, on the one hand, the forwarding liquid which is present in the tube chamber is forced out by the slurry which is being filled into the tube chamber and, on the other hand, the introduction of the forwarding liquid into said tube chamber forces out the slurry contained in said tube chamber. The objective to be achieved is to ensure an optimal filling and emptying of the tube chambers which will be independent of differenet lengths of the forwarding route and varying concentrations of the slurry as well as the number of tube chambers involved in the operations. Therefore, the volume and/or weight of the forwarding liquid which is forced out of the currently involved tube chamber by filling with the slurry is measured and/or collected. Then the emptying of the slurry from said tube chamber is effected by application of pressure to the tube chamber contents with a volume and/or weight of forwarding liquid at least equal to that of the previously measured and/or collected volume and/or weight of forwarding liquid.
REFERENCES:
patent: 3940184 (1976-02-01), McCain
patent: 4143922 (1979-03-01), Sweeney
patent: 4453864 (1984-06-01), Beck et al.
Kortenbusch Michael
Osenberg Kurt A.
Basinger Sherman D.
Brahan Thomas J.
Dubno Herbert
Siemag Transplan GmbH
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