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  • alfa laval - waste heat recovery

    Alfa Laval - Waste heat recovery

    Alfa Laval Aalborg offers a series of highly efficient waste heat recovery boilers that extract heat from hot flue gases and generate steam or hot water. A boiler is easily added to your flue gas stream and …

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  • flue gas boiler - waste heat boiler - zhong ding boiler co

    Flue Gas Boiler - Waste Heat Boiler - Zhong Ding Boiler Co

    Flue Gas boilers are the significant energy saving equipment, utilize the heat in flue gas from combustion processes or hot extract air from industrial processes to generate hot water or saturated steam Otherwise, the flue gas boiler could be used in oil gas fired combined cycle units, and take advantage of the high temperature flue gas heat discharged by gas …

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  • flue gas - wikipedia

    Flue gas - Wikipedia

    33 rows · Flue gas is the gas exiting to the atmosphere via a flue, which is a pipe or channel for …

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  • flue gas - an overview | sciencedirect topics

    Flue Gas - an overview | ScienceDirect Topics

    The flue gas exits the cyclones to a plenum chamber in the top of the regenerator. The hot flue gas holds an appreciable amount of energy. Various heat recovery schemes are used to recover this energy. In some units, the flue gas is sent to a CO boiler where both the sensible and combustible heat is used to generate high-pressure steam.

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  • boiler efficiency - an overview | sciencedirect topics

    Boiler Efficiency - an overview | ScienceDirect Topics

    A higher temperature of drying air can be achieved if hot flue gas from the boiler or extracted steam from the turbine cycle is used to supplement the thermal energy obtained from the circulating cooling …

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  • improve your boiler’s combustion efficiency

    Improve Your Boiler’s Combustion Efficiency

    (MMBtu) of natural gas while producing 45,000 lb/hour of 150-psig steam. Stack gas measurements indicate an excess air level of 44.9% with a flue gas minus combustion air temperature of 400°F. From the table, the boiler combustion efficiency is 78.2% (E1). Tuning the boiler reduces the excess air to 9.5% with a flue gas …

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  • boiler efficiency and combustion | spirax sarco

    Boiler Efficiency and Combustion | Spirax Sarco

    Flue gases on steam boiler plant are not condensed, therefore the actual amount of heat available to the boiler plant is reduced. The usual arrangement is to have a fuel oil supply available on site, and to use this to fire the boiler when gas …

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  • technical advice on boiler combustion control

    Technical advice on boiler combustion control

    As the process steam demand increases, the steam pressure at the boiler deceases. The boiler steam-production controller will measure this decrease in pressure and will increase fuel flow to the boiler. In the case of a natural-gas-fired boiler…

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  • 5 factors killing your industrial boiler efficiency & what

    5 Factors Killing Your Industrial Boiler Efficiency & What

      1. Excess Air Effect on Industrial Boiler Efficiency. All combustion burners require some degree of …

        Condensation from flue | DIYnot Forums

        Nov 21, 2010 · hello can anyone explain why my new boiler (worcester 28i) junior has all this steam coming out the flue, i know its a condensing boiler but what is the science behind why its more visible …

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      2. boiler efficiency guide - cleaver-brooks

        BOILER EFFICIENCY GUIDE - Cleaver-Brooks

        add-on devices if the boiler is designed for optimum flue gas velocities in the first place. Each boiler pass should be designed with a cross sectional area to achieve optimal flue gas velocity, which in …

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      3. flued boiler - wikipedia

        Flued boiler - Wikipedia

        In the flued boiler, any sediment fell past the furnace flue and settled out at the bottom of the boiler shell, where it had less effect. In model engineering, the Cornish boiler, particularly when fitted with Galloway tubes (see Lancashire Boiler, below), is an excellent choice for gas-fired boilers and model steam …

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