Page 36 - Boiler plant and distribution system optimization manual
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Optimizing Boiler Plants Establishing the Ideal Scene 21
THE FIRST STEP dollar losses if efficiencies are allowed to drop off
because of neglected maintenance.
The first step is to find the as-found efficiency An efficiency monitoring system is also a
of each boiler. good way to check the work of contractors and
Efficiency improvement potential is based engineering consultants to insure they actually
on the as-found efficiency. For example, it can be improved efficiency or to find out if new prob-
used to show the value of testing the performance lems have been created.
of boilers on a regular basis by identifying losses When one speaks of boiler efficiency, a de-
caused by the drop in efficiency from a well-main- gree of generality is present unless the term effi-
tained or tuned up condition. ciency is further defined. Boilers normally oper-
This testing can indicate if your maintenance ate over a range of efficiency (Figures 2.1 through
program needs improvement and will show the 2.3).
Figure 2.1 Typical performance of gas fired water tube boilers.
Figure 2.2 Typical performance of oil fired water tube boilers.
