Retractable maintenance platform stored outside of the furnace

Details Retractable maintenance platform stored outside of the furnace Retractable maintenance platform stored outside of the furnace

1983-08-19

1984-10-02

Favors, Edward G.

Liquid heaters and vaporizers

Cleaning

122 4R, F22B 3718

Patent

active

044741430

ABSTRACT:
A maintenance platform is provided for gaining access to the upper area of the furnace (10) of a steam generator that can be quickly and easily assembled during a maintenance shutdown. The main beams (26) forming the framework of the platform are supported both from the furnace walls (42, 44) and also from the furnace roof (32, 34, 38). These beams, which are of considerable length, are stored outside of the furnace in a nearly vertical position when not in use, and are guided into the furnace by a plurality of rollers (40), so as to keep the beams in a single plane close to the outer furnace wall while they are being moved into the furnace.

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