a, deep groove pickling line: deep grooves pickling line, the typical characteristics of the flow of the acid minimum, the result is the a high laminar boundary layer on the strip.

b, shallow grooves pickling line: in shallow grooves pickling line acid flow only very slowly, resulting in the strip above a high laminar boundary layer. However the strip following pickling better deep grooves pickling line. But before wringer rolls more integrated set of acid can cause sealing problems.

c, turbulence pickling line: only two turbulent region only in the strip above each pickling tank. The outlet of the pickling tank, however, requires a larger energy for sealing.

d,pickling line d Turboflo: strip on each of the following two meters a turbulent region. The return of acid in the groove inside the cover, thus reducing the energy requirements of the seal at the outlet of the pickling tank.



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