Boiler Economiser Reverse Cost Periods


US4582027A - Economizer recirculation for low-load ...

A recirculation apparatus is employed to recirculate a portion of the feedwater in a vertical-tube economizer to reduce the likelihood of reverse flow and steaming at startup and/or low load. A recirculation valve opened at low load directs part of the water from the economizer outlet back to the inlet of the boiler feed pump via a deaerator.

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Boiler Economizer Exhaust Heat Recovery Systems

Our broad line of economizers covers the spectrum of boiler sizes ranging from very small hot water boilers with burner inputs of 200000 BTU/hr to large boilers delivering steam at 250000 lb/hr. In addition Cain produces boiler feedwater systems condensate tank and pump systems exclusive sootblower assemblies and unique modulating ...

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Condensing Economizer - Kemco Systems

The dollars saved on fuel in just one year may be enough to pay for the cost of the system. This rapid return on investment exceeds that of other conventional economizer types of equipment on the market today. Traditional finned-tube units cannot reduce

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