Heat exchanger leak detection

Details Heat exchanger leak detection Heat exchanger leak detection

1989-04-27

1990-07-24

Ford, John

Heat exchange

Regenerator

Checker brick structure

165 111, 73 405R, 73 407, G01M 328, G01M 322, F28F 1100

Patent

active

049429205

ABSTRACT:
The present invention relates to a convenient process to detect leaks in a partially disassembled floating head-type heat exchanger. The heat exchanger is partially disassembled by removing the floating head end shell cover. A lightweight, flexible membrane having low gas permeability is then attached to the exchanger so as to cover the floating head gap. Gas is then introduced into the shell side of the exchanger.
Leaks may be detected by observing the end face of the floating head tube sheet for an indication of the gas using a soap solution and observing the formation of soap bubbles.

REFERENCES:
patent: 1626772 (1927-05-01), Worden
patent: 1831454 (1931-11-01), Kirgan
patent: 2512748 (1950-06-01), Lucke
patent: 4226113 (1980-10-01), Pelletier et al.
patent: 4467635 (1984-08-01), Dahmen et al.
patent: 4606220 (1986-08-01), Rudiger

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