Method of protecting corrosion-susceptible walls against corrosi

Details Method of protecting corrosion-susceptible walls against corrosi Method of protecting corrosion-susceptible walls against corrosi

1989-12-04

1991-02-19

Heinrich, Sam

Metal fusion bonding

Process

With shaping

228140, 228174, 228175, B23K 3102, B23K10118

Patent

active

049936212

ABSTRACT:
A method of applying corrosion resistant liners to the structural steel walls of flue gas lines, flue gas treating apparatus, scrubbers and the like. The wall to be protected is provided with spaced apart bores and the liner sheets are applied to the inner surface of the structural steel wall. The studs are joined to the sheets by stud welding and the sheets are then drawn tightly against the wall by the application of tensile forces to the studs. The studs are subsequently gas tightly joined to the wall, e.g. by welds. An alternative method of attachment uses a screw thread on the stud and the nut which is threaded onto the stud and bears against a washer and a sealing ring which is pressed against the wall around the stud.

REFERENCES:
patent: 2993110 (1961-07-01), Godley
patent: 4485960 (1984-12-01), Sagan et al.
Metals Handbook, Ninth Edition, vol. 6, "Stud Welding", pp. 729-738, copyright 1983.

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