Conveying and lock system

Details Conveying and lock system Conveying and lock system

B - Operations, Transporting

01

J

B01J 4/00 (2006.01) B65G 33/00 (2006.01) C10B 53/07 (2006.01) C10G 1/10 (2006.01)

Patent

CA 2633090

A conveying and lock system (10) for introducing a bulk material into a reactor (14) with exclusion of gas and while preventing gas exchange at low pressure differences has a screw shaft (44) on which first windings (46) and second windings (48) are formed. A winding-free section (50) is disposed between the first and the second windings (46, 48) in which the conveyed bulk material is compacted. The compacting causes a bulk material plug which is substantially gas free and, during bulk material transport, the bulk material plug is constantly formed in the conveying and lock system (10) by means of the screw shaft (44) to prevent gas exchange between the product inlet and the product outlet of the conveying and lock system (10).

L'invention concerne un système (10) de transport et de sas conçu pour introduire un produit en vrac dans un réacteur (14) en retenant les gaz et en empêchant un échange gazeux en cas de faible différence de pression, qui présente une vis d'Archimède (44) sur laquelle des premières volutes (46) et des deuxièmes volutes (48) sont formées. Entre les premières et les deuxièmes volutes (46, 48) est formée une partie (50) sans volute dans laquelle le produit en vrac transporté est compacté. Le compactage fournit un aggloméré de produit en vrac très largement exempt de gaz et pendant le transport du produit en vrac par la vis d'Archimède (44), on forme en continu un aggloméré de produit en vrac dans le système (10) de transport et de sas qui empêche un échange de gaz entre l'introduction du produit et l'extraction du produit hors du système (10) de transport et de sas.

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