VACUUM CONTROL METHOD FOR A RISER LINE
A method for deep sea mining includes generating an upward flow of valuable matter in a riser line from the bottom of a body of water to a matter processing platform; processing the matter at the processing platform; generating a return flow in a return pipe of a mixture of seawater and a non-valuab...
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| Main Author | |
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| Format | Patent |
| Language | English French German |
| Published |
13.09.2017
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| Subjects | |
| Online Access | Get full text |
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| Abstract | A method for deep sea mining includes generating an upward flow of valuable matter in a riser line from the bottom of a body of water to a matter processing platform; processing the matter at the processing platform; generating a return flow in a return pipe of a mixture of seawater and a non-valuable part of the matter from the processing platform towards the bottom of the body of water; and controlling the pressure in the return pipe for avoiding collapse of the return pipe and/or cavitation of the return pipe, in particular for avoiding collapse of or cavitation in an upper part of the return pipe. |
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| AbstractList | A method for deep sea mining includes generating an upward flow of valuable matter in a riser line from the bottom of a body of water to a matter processing platform; processing the matter at the processing platform; generating a return flow in a return pipe of a mixture of seawater and a non-valuable part of the matter from the processing platform towards the bottom of the body of water; and controlling the pressure in the return pipe for avoiding collapse of the return pipe and/or cavitation of the return pipe, in particular for avoiding collapse of or cavitation in an upper part of the return pipe. |
| Author | LUCIEER, Pieter Abraham |
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| DocumentTitleAlternate | VAKUUMSTEUERUNGSVERFAHREN FÜR EINE STEIGROHRLEITUNG PROCÉDÉ DE RÉGULATION DE VIDE POUR LIGNE DE COLONNE MONTANTE |
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| Notes | Application Number: EP20140741975 |
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| RelatedCompanies | IHC Holland IE B.V |
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| Snippet | A method for deep sea mining includes generating an upward flow of valuable matter in a riser line from the bottom of a body of water to a matter processing... |
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| SubjectTerms | DREDGING EARTH DRILLING FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING MINING MINING OR QUARRYING SOIL SHIFTING |
| Title | VACUUM CONTROL METHOD FOR A RISER LINE |
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