Flue gas heat recovery increases boiler efficiency. The flow of waste gas from old and new boiler systems contains a considerable heat potential, which should not remain unused for economic reasons. For flue gas heat recovery, LOOS INTERNATIONAL therefore uses devices known as Economizers, with highly efficient convection passes. Flame-tube smoke-tube boilers of all sizes can be easily equipped with an Economizer for flue gas heat recovery, or retrofitted in the case of old systems.

An important characteristic for assessing the economic efficiency of a boiler system is the loss of waste gases. This percentage value demonstrates the quantity of energy contained in the waste gases which flies out, unused, through the chimney. Because of the laws of physics, the temperatures of waste gases from high-pressure steam boilers or high-pressure hot water boilers are relatively high. There is therefore a massive loss of energy, which can be prevented by the attachment of convection passes for flue gas heat recovery, know as waste gas heat exchangers. With today's energy prices, measures to recover waste gas heat usually pay for themselves in a very short time.

LOOS Economizers for flue gas heat recovery are TÜV-tested, thermally insulated and installed in the waste gas pipe directly behind the boiler. In new boiler systems, the Economizers for waste gas heat recovery are integrated directly into the boiler; for older systems, they are available as a ready-to-connect module for retrofitting.

 

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