| 摘要 |
883,593. Cleaning heatexchangers. HUET, A. April 30, 1958 [Aug. 7, 1957], No. 13785/58. Class 99(2). In the heat-exchanger according to Specification 848,282 a tube cleaning device comprising a number of jets for cleaning fluid and directed substantially axially of the tubes a is mounted at the inlet end of the . heatexchanger. As shown, an apertured ring S is supplied with cleaning fluid under pressure through a pipe t and jets of fluid sweep over the finnedtubes a in a direction substantially parallel to the axes of the tubes. A set of jets u supplied with cleaning fluid through a pipe V branching from the pipe t and disposed within the stay-bar p, are located within the latter, the tubes a being without fins at this position. |
