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  2. Electrode boiler - Wikipedia

    en.wikipedia.org/wiki/Electrode_boiler

    The most common type of electrode boiler pumps water from the lower part of the vessel to an internal header that has nozzles that allow the water to flow to electrodes. Generally the working pressure is maintained at 10 bar. If more pressure is needed (more steam) the controls speed up the pump to increase flow through additional nozzles.

  3. Water heating - Wikipedia

    en.wikipedia.org/wiki/Water_heating

    An 80 US gal (300 L; 67 imp gal) electric storage tank water heater was able to have a minimum energy factor of 86% under the pre-2015 standard, while under the 2015 standard, the minimum energy factor for an 80-gallon electric storage tank water heater is now 197%, which is only possible with heat pump technology. This rating measures ...

  4. Feedwater heater - Wikipedia

    en.wikipedia.org/wiki/Feedwater_heater

    A feedwater heater is a power plant component used to pre-heat water delivered to a steam generating boiler. [ 1][ 2][ 3] Preheating the feedwater reduces the irreversibilities involved in steam generation and therefore improves the thermodynamic efficiency of the system. [ 4] This reduces plant operating costs and also helps to avoid thermal ...

  5. Water-tube boiler - Wikipedia

    en.wikipedia.org/wiki/Water-tube_boiler

    A high pressure watertube boiler[ 1] (also spelled water-tube and water tube) is a type of boiler in which water circulates in tubes heated externally by fire. Fuel is burned inside the furnace, creating hot gas which boils water in the steam-generating tubes. In smaller boilers, additional generating tubes are separate in the furnace, while ...

  6. Electric steam boiler - Wikipedia

    en.wikipedia.org/wiki/Electric_steam_boiler

    An electric steam boiler is a type of boiler where the steam is generated using electricity, rather than through the combustion of a fuel source. Such boilers are used to generate steam for process purposes in many locations, for example laundries, food processing factories and hospitals. Although they are more expensive to run than gas-fired ...

  7. Electric boiler - Wikipedia

    en.wikipedia.org/wiki/Electric_boiler

    An electric steam boiler is intended to produce steam for process industry or other uses, such as drying, heat treating, and others. These are generally permanently installed systems with connections to a water supply and piping to transport product steam to the point of use. In places where electric power is relatively low cost compared to ...

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