Plugging apparatus for heat exchanger

Details Plugging apparatus for heat exchanger Plugging apparatus for heat exchanger

1991-09-04

1992-11-24

Flanigan, Allen J.

Heat exchange

With repair or assembly means

29727, F28F 700

Patent

active

051654709

ABSTRACT:
A plugging apparatus for fixing a mechanical plug within a heat transfer tube of a heat exchanger includes a main body capable of being coupled to a tool guide robot movable under remote control inside a water chamber of the heat exchanger, a plug fixing mechanism mounted on the main body for conveying a mechanical plug from outside the heat exchanger and fixing the mechanical plug in the heat transfer tube, and a clamping mechanism for clamping the main body to a tube plate of the heat exchanger at a desired position on the tube plate of the heat exchanger. The invention makes it possible to fix a mechanical plug in a heat transfer tube of a steam generator or heat exchanger of a reactor in a remote-controlled and continuous manner.

REFERENCES:
patent: 4193735 (1980-03-01), Savor et al.
patent: 4369662 (1983-01-01), Rieben et al.
patent: 4373855 (1983-02-01), Lebouc
patent: 4521150 (1985-06-01), Pigeon et al.
patent: 4590991 (1986-05-01), Cooper, Jr. et al.
patent: 4693277 (1987-09-01), Bieber et al.
patent: 4779496 (1988-10-01), Evans et al.
patent: 5025854 (1991-06-01), Richter et al.

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