The steam requirements of a manufacturing facility are being met by a boiler whose rated heat input is 5.5 x 3^106 Btu/h. The combustion efficiency of the boiler is measured to be 0.7 by a hand-held flue gas analyzer. After tuning up the boiler, the combustion efficiency rises to 0.8. The boiler operates 4200 hours a year intermittently. Taking the unit cost of energy to be $4.35/10^6 Btu, determine the annual energy and cost savings as a result of tuning up the boiler.

Energy Saved = 6.93 x 10⁹ Btu

Cost Saved = $ 30145.5

Explanation:

The energy generated by each boiler can be given by the following formula:

Now, the energy saved by the increase of efficiency through tuning will be the difference between the energy produced before and after tuning:

Energy Saved = 6.93 x 10⁹ Btu

Now, for the saved cost:

Cost Saved = $ 30145.5

answer: 500 wph.

explanation:

answer:

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