B - Operations – Transporting – 65 – G
Patent
B - Operations, Transporting
65
G
302/22
B65G 53/30 (2006.01)
Patent
CA 1108207
ABSTRACT OF THE DISCLOSURE An apparatus including at least one horizontal feed pipe from which a mixture of liquid and particulate solid material to be transported is discharged into a high-pressure transport pipe by the action of a driving liquid delivered through a vertical pipe connected to the horizontal feed pipe to apply pressure to the mixture in the horizontal feed pipe through an intermediate liquid having a specific gravity lower than that of the mixture and higher than that of the driving liquid. Prior to initiation of an operation, the horizontal feed pipe and a lower portion of the vertical pipe below a float mounted therein are charged with the intermediate liquid and an upper portion of the vertical pipe above the float is charged with the driving liquid. Upon the mixture being delivered by a low-pressure mixture pump to the horizontal feed pipe, the intermediate liquid flows into the vertical pipe and raises the level of the float to return the driving liquid from the vertical pipe to its tank. Then, the driving liquid is delivered by a high- pressure driving liquid pump to the vertical pipe from which the intermediate liquid is forced into the horizontal feed pipe to thereby discharge the mixture from the latter into the high-pressure transport pipe, thereby transporting the particulate solid material to a predetermined destination. Mixture feed means and intermediate liquid feed means and their modifications are disclosed.
323948
Honma Isao
Kamino Yukishige
Sakamoto Masakatsu
Uchida Kenji
Gowling Lafleur Henderson Llp
Hitachi Ltd.
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