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Content archived on 2024-06-10

Etude et Développement d'un Procédé de Décapage et Décalaminage de Fils et Tubes Métalliques par Jet d'Eau Très Haute Pression

Objective



The process consists of a new concept using a high pressure water jet technology to descale wire and tube in a wide drawing stations. It is built on a prototype installation which is composed of original prototypes such as special high pressure pump, descalind head, control system and special recycling station. The wire is fed into the descaling head including sapphire nozzles which supply high speed microjets to remove all deposits. The waste including metallic particles, water and inhibitor is catched and recycled. This new process is convenient for quality certification and automation because of its expected high efficiency and control. It eliminates the incovenients of both chemical and mechanical systems used in drawing industry. It is particulartly clean and friendly to the environnement because of the use of water and the recycling of the resulting waste materials. It makes descaling tasks easy and confortable for the operators. The objectives require study and manifacture of new prototypes, characterisation of deposits, experimental investigations on jets deposits interaction, research of mathematical model governing the descaling process and final validation tests. The prototypes efficiency and modelisation accuracy and qualification criteria will be established to make easy further implementations. Product validation, however, will need to be undertaken bv the industrial SMEs after completion of this 2 years research project which will require a further period of 2 years prior to manifacture and subsequent commercial exploitation. In the court term, the project addresses this totally new concept in wire drawing marketing, and in the middle and long terms it opens new applications related to descaling all types of drawn products deposits such as composites, paint and other covering coats. This work is conducted with the help of an Exploratory Award which included a Research Feasability Study.

Programme(s)

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Topic(s)

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Funding Scheme

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CRS - Cooperative research contracts

Coordinator

Procer Sarl
EU contribution
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Address
52,Rue du 1er Mars 52
68300 Saint Louis
France

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Total cost

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Participants (6)

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