Treatment of boiler tubes

Details Treatment of boiler tubes Treatment of boiler tubes

1984-11-15

1987-04-21

Favors, Edward G.

Liquid heaters and vaporizers

Water tube

Wall structure

122511, 122DIG13, 427226, 427379, 427380, F22B 1500, F22B 2500, F22B 3710

Patent

active

046587616

ABSTRACT:
The invention relates to the protection of metal boiler tubes from corrosion and erosion. Accordingly, the invention provides a metal boiler tube whereof at least a selected part of its surface is initially porous and whereof the initially porous surface has been coated with at least one stable metal oxide by the aplication to the porous surface of a solution containing salts or oxides of such metals followed by the conversion of such salts or treatment of such oxides of metals to attach the stable metal oxides to the porous surface.

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patent: 3789096 (1974-01-01), Church et al.
patent: 3817781 (1974-06-01), Church et al.
patent: 3873344 (1975-03-01), Church et al.
patent: 3925575 (1975-12-01), Church et al.
patent: 3944683 (1976-03-01), Church et al.
patent: 3956531 (1976-05-01), Church et al.
patent: 3985916 (1976-10-01), Church et al.
patent: 4007020 (1977-02-01), Church et al.

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