Device for remotely lining a steam generator tube of a pressuriz

Details Device for remotely lining a steam generator tube of a pressuriz Device for remotely lining a steam generator tube of a pressuriz

1988-11-22

1990-04-24

Wasil, Daniel

Metal working

Means to assemble or disassemble

Heat exchanger

29723, B23P 1526

Patent

active

049188089

ABSTRACT:
A liner (12) is inserted into the water box (3) through the manhole (9) vertically in line with the manhole, and then the liner (12) is moved as far as a position situated vertically in line with the tube (8) to be lined. The operations of inserting the liner (12) into the tube (8), of diametral expansion and of roller-expanding are performed by inserting a corresponding appliance into the water box (3) and using this appliance from an operating station outside the water box, where the drive for the appliance is situated.

REFERENCES:
patent: 4639994 (1987-02-01), Cooper, Jr. et al.
patent: 4793044 (1988-12-01), Cartry et al.

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