Nodule collector

Details Nodule collector Nodule collector

E - Fixed Constructions

02

F

262/28

E02F 3/94 (2006.01) E02F 3/88 (2006.01) E21C 45/00 (2006.01)

Patent

CA 1156270

NODULE COLLECTOR Abstract of the Disclosure A nodule collector for deep sea mining includes an outer sledge and an inner sledge disposed in and connected to the outer sledge for trailing movement therewith. The inner sledge is provided with a transversely extending cutting blade, a plurality of jet nozzles arranged along the cutting blade, and a longitu- dinally oriented duct. Then the collector travels across the seafloor, the cutting blade cuts into the seafloor and rises it thereover. The water jet from the nozzles impinges upon the sumit of the risen seafloor so that nodules and sediments at the sumit are carried away by the jet water and introduced through the duct into a collecting chamber provided in the outer sledge. The collecting chamber has a special design to prevent entrance of undesirably large sized nodules thereinto and residence of undesirably small sized nodules and sediments therein. The nodules collected in the collecting chamber are successively transported up to the mining ship for recovery. - 1 -

371324

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