Steam power plants, their design and construction . ryCinder Concrzfe. Brick a Casf- TS lllIMWlnTl|lllllll! llll|l|ijilfit« iMit^yp. Lon9ituctinal Section B-B Figure 49.—Economizer Arrangement, Plant of SchwarzchildSulzberger, Chicago, III. L. LEVY, CHIEF ENGINEER. a by-pass flue must be provided for use when the economizer isout of service, either for cleaning, which is necessary at intervals,or for repairs. Economizers are used to a very considerable ex-tent in Europe, more so in fact than in the United States, where STEAM POWER PLANTS. 117 engineers are now, however, rapidly appreciating th
Steam power plants, their design and construction . ryCinder Concrzfe. Brick a Casf- TS lllIMWlnTl|lllllll! llll|l|ijilfit« iMit^yp. Lon9ituctinal Section B-B Figure 49.—Economizer Arrangement, Plant of SchwarzchildSulzberger, Chicago, III. L. LEVY, CHIEF ENGINEER. a by-pass flue must be provided for use when the economizer isout of service, either for cleaning, which is necessary at intervals,or for repairs. Economizers are used to a very considerable ex-tent in Europe, more so in fact than in the United States, where STEAM POWER PLANTS. 117 engineers are now, however, rapidly appreciating their advan-tages. When first introduced, a number of failures occurredmainly due to improper design. They were then either con-structed of poor materials improperly put together or there was alack of sufficient heating surface necessary to make the savingthat they should produce. Since the economizer has been per-fected and made of durable materials, their advantages have be-come recognized. The heating surface in economizers takes the place, in a meas-ure, of additional boiler-heating surface. If a boiler is operatingunder c
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