Maxims and Instructions for the Boiler Room / Useful to Engineers, Firemen & Mechanics; Relating to Steam Generators, Pumps, Appliances, Steam Heating, Practical Plumbing, etc.

by N. Hawkins

The combustion or flame chamber.

Fig. 107.

Fig. 108.

Fig. 109.

Fig. 110.

The arrangement of the space behind the bridge wall is found usually to be in some one of the following forms: Level from bridge wall to back ([Fig. 107]). A square box, depth ranging from 15 inches to 6 feet ([Fig. 108]). A gradual rise from bridge to back end of boiler, where only six inches is found and generally circular in form ([Fig. 109)]. A gradual slope toward back, leaving a distance of about 36 inches from boiler ([Fig. 110]).