Waste heat boilers | Steam generation | Hot water production
Heat absorbed by water = 0.95 Vs(t 1 − t 2)MJ s −1,. t 1 and t 2 = temperature of hot gases before and after the W.H. boiler, °C.. Total heat as steam = sensible heat in feed water + heat absorbed by water in boiler. In good practice t 2, the temperature at which the flue gases leave the boiler, may be reduced to ca.50 K above the temperature of the water in the boiler.
Waste heat boilers Waste heat boiler for generating hot water Waste heat boiler for generating steam VITOMAX 200-RW VITOMAX 200-RS High pressure steam boiler 0.5 to 4 t/h Up to 25 bar (28, 30 bar on request) Efficiency: up to 95.5 % (with integral economiser) High pressure steam boiler 1 to 6.4 t/h Up to 16 bar Efficei ncy: 92 % (with economiser)
Jan 29, 2021 · A waste heat boiler of the water-tube design is able to cope with much higher pressures of steam than a fire-tube boiler, but it is more difficult to construct and install. Inside this type of boiler, there are narrower tubes than inside a fire-tube boiler, and the tubes contain water instead of hot gases.
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Jan 24, 2017 · - Feed water Economizers for Waste Heat Recovery to reduce steam boiler fuel requirements by transferring flue gas heat to incoming feed water (January 2006). - Use Low-Grade Waste Steam to Power Absorption Chillers outlines the benefits of absorption chillers (which can utilize low-grade waste heat) to replace motor-driven mechanical
incinerators, and generate steam or hot water, in addition these waste heat boilers have been recently appreciated as the global environmental protection merchandise. These waste gases often contain a large amount of dust, corrosiveness or explosive dangerous component, besides, often clog the gas duct by its strong tenacity. For this