Method for the non-destructive removal of tubes from heat...

Details Method for the non-destructive removal of tubes from heat... Method for the non-destructive removal of tubes from heat...

B - Operations, Transporting

23

C

26/145, 122/148,

B23C 1/20 (2006.01) B23C 3/00 (2006.01) B23P 19/02 (2006.01)

Patent

CA 1305344

Abstract of the Disclosure Method for the non-destructive removal of tubes or of portions of tubes from heate exchangers, comprising: (a) the lengthwise cutting along at least one gen- eratrix of one tube or of a plurality of tubes of said exchanger, to a depth at least equal to the thickness of the tube plate and to a width of up to 2% of the outer perimeter of the tubes; (b) the approaching to each other of the edges of the so-obtained cut section up to the complete release of the tube, or of the tubes, from the tube plate; (c) the possible crossways cutting of the tube, or of the tubes, to a height at least equal to double the thickness of the tube plate; and (d) the recovery of the tube, or of the tubes, by sliding same out of the said plate.

525468

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