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  2. Boiler blowdown - Wikipedia

    en.wikipedia.org/wiki/Boiler_blowdown

    Modern boilers discharge bottom blowdown to a blowoff tank where the blowdown can flash and vent steam upwards without entraining water which might cause burns. A pipe near the bottom of the blowoff tank maintains a water level below the blowdown entry point and allows cooler water remaining from earlier blowdown events to drain from the tank ...

  3. Steam locomotive components - Wikipedia

    en.wikipedia.org/wiki/Steam_locomotive_components

    blowdown (or blow-off) cocks, which allow water to be ejected from the boiler to avoid concentration of impurities remaining after evaporation of steam. [3]: 8 Whistle Steam powered whistle, located on top of the boiler and used for signalling (by the number and length of notes) and warning of approach. [2] [5] [6]: 247–248 [3]: 96

  4. Rankine cycle - Wikipedia

    en.wikipedia.org/wiki/Rankine_cycle

    The high-pressure liquid enters a boiler, where it is heated at constant pressure by an external heat source to become a dry saturated vapour. The input energy required can be easily calculated graphically, using an enthalpy–entropy chart (h–s chart, or Mollier diagram), or numerically, using steam tables or software. Process 3–4

  5. High-pressure steam locomotive - Wikipedia

    en.wikipedia.org/wiki/High-pressure_steam_locomotive

    The HP boiler worked at approx 850 psi (5.86 MPa), and the low-pressure boiler at 200 to 250 psi (1.38 to 1.72 MPa). The UHP and HP boilers were of a water-tube design, while the LP boiler was a fire-tube boiler typical for steam locomotives. The LP cylinders were driven with a mixture of the HP cylinder exhaust and the LP boiler output.

  6. Boiler water - Wikipedia

    en.wikipedia.org/wiki/Boiler_water

    Boiler water is liquid water within a boiler, or in associated piping, pumps and other equipment, that is intended for evaporation into steam. The term may also be applied to raw water intended for use in boilers, treated boiler feedwater , steam condensate being returned to a boiler, or boiler blowdown being removed from a boiler.

  7. Hygroscopic cycle - Wikipedia

    en.wikipedia.org/wiki/Hygroscopic_cycle

    Because of the thermal recovery of the boiler blowdown, the hygroscopic reaction in the steam condenser, and the use of an air-cooler to dissipate the heat of condensation, the efficiency of the cycle is higher, with a higher electrical output, reduces or eliminates the need for cooling water, [1] reduces the operating costs, [2] and the ...

  8. How much should you have in your 401(k)? Here's how your ...

    www.aol.com/finance/average-401k-balance-by-age...

    Remember that guidelines are not set in stone — rather, they're good rules to follow. For instance, if you’re 30 years old and earn $75,000, you should try to have that much saved in your 401(k).

  9. Priming (steam locomotive) - Wikipedia

    en.wikipedia.org/wiki/Priming_(steam_locomotive)

    In districts where the feed water is unsuitable, blowdown valves ("scum valves"), either continuously working while the regulator is open or operated in conjunction with the boiler feed, are fitted. Valves at water level reduce surface scum; those towards the bottom of the boiler help remove precipitated solids. Other forms of prevention ...

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