B - Operations – Transporting – 08 – B
Patent
B - Operations, Transporting
08
B
B08B 9/032 (2006.01) B05D 7/22 (2006.01) B08B 9/057 (2006.01) B24C 3/32 (2006.01)
Patent
CA 2731460
The invention relates to a working process for the treatment of an interior of a pipework system (1), which pipework system (1) includes a part-system (2, 21, 22) between a first connection (3, 31, 32) and a second connection (4, 41, 42), wherein the working process includes the following working steps: Providing a first working fluid (5, 51, 52, 53) being under an over-pressure (P+, P+1, P+2, P+3) with respect to an ambient pressure (Po). Providing a second working fluid (6, 61, 62, 63) being under a low-pressure (P_, P_1, P_2, P_3) with respect to the ambient pressure (Po). Thereby, the part-system (2, 21, 22) is pressurized between the first connection (3, 31, 32) and the second connection (4, 41, 42) with the first working fluid (5, 51, 52, 53) provided under the over-pressure (P+, P+1, P+2, P+3) and the second working fluid (6, 61, 62, 63) provided under the low-pressure (P_, P-1, P_2, P_3) at the same time in such a way, that a fluid-flow (7) of the first working fluid (5, 51, 52, 53) provided under the over-pressure (P+, P,l, P+2, P+3) is established through the part- system (2, 21, 22) between the first connection (3, 31, 32) of the part-system (2) and the second connection (4, 41, 42) of the part--system (2, 21, 22) in a direction to the second working fluid (6, 61, 62, 63) provided under the low-pressure (P_, P_1, P_2, P_3). According to the invention, in at least one working step the direction of the fluid-flow (7) through the part-system (2, 21, 22) between the first connection (3, 31, 32) and the second connection (4, 41, 42) is reversed at least once. Furthermore, the invention relates to a sub-distributor (81) for carrying out the process in accordance with the invention as well as a working equipment comprising a sub-distributor (81) according to the invention.
L'invention concerne un procédé de traitement pour traiter l'intérieur d'un réseau de conduites (1), lequel comprend un sous-réseau (2, 21, 22) entre un premier raccord (3, 31, 32) et un second raccord (4, 41, 42). Le procédé de traitement comprend les étapes de traitement suivantes: mise à disposition d'un premier fluide de travail (5, 51, 52, 53) qui est en surpression (P+, P+1, P+2, P+3) par rapport à la pression ambiante (P0). Mise à disposition d'un second fluide de travail (6, 61, 62,63), qui est en dépression (P-, P-1, P-2, P-3) par rapport à la pression ambiante (P 0). Le fluide de travail (5, 51, 52, 53) en surpression (P+, P+1, P+2, P+3) et le fluide de travail (6, 61, 62, 63) en dépression (P-, P-1, P-2, P-3) sont appliqués simultanément au sous-réseau (2, 21, 22) entre le premier raccord (3, 31, 32) et le second raccord (4, 41, 42), de telle manière qu'un écoulement (7) du fluide de travail (5, 51, 52, 53) en surpression (P+, P+1, P+2, P+3) vers le fluide de travail (6, 61, 62) en dépression (P-, P-1, P-2, P-3) se produise dans une direction dans le sous-réseau (2, 21, 22), entre le premier raccord (3, 31, 32) et le second raccord (4, 41, 42) du sous-réseau (2, 21, 22). Selon l'invention, dans au moins une étape de traitement la direction de l'écoulement (7) dans le sous-réseau (2, 21, 22) est inversée au moins une fois entre le premier raccord (3, 31, 32) et le second raccord (4, 41, 42). L'invention concerne en outre un sous-distributeur (81) pour la mise en oeuvre du procédé de l'invention, ainsi qu'un dispositif de traitement comprenant un sous-distributeur (81).
Cec-Systems Sa
Fetherstonhaugh & Co.
LandOfFree
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