Apparatus for cleaning the inner surfaces of tubes in operating multi-tube heat transfer devices
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United States of America Patent
Stats
-
Apr 14, 1992
Grant Date -
N/A
app pub date -
Nov 16, 1990
filing date -
Feb 8, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus for cleaning tubes in an array of such tubes (162, 175) such as heat exchanger or condenser units that will allow such cleaning action to be undertaken without removing the unit containing the array of tubes from normal service, the apparatus being adapted to be mounted in a head space zone of the unit and comprising a launcher (159, 192) movable on the head space zone to align with the tubes to be cleaned, the launcher being arranged to receive sequentially projectiles (1) from a projectile supply path (11) and to transfer same in a sealed manner to a pressurized fluid delivery path (89, 39) passing through the launcher (159, 192) so that the projectile is aligned with a tube to be cleaned.
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