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the steam temperature stands on the steam pipe from the boiler to the turbine

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  • steam inlet temperature - an overview | sciencedirect topics

    Steam Inlet Temperature - an overview | ScienceDirect Topics

    Example 1.6. Using Figure 1.11, calculate the ideal cycle efficiency and specific steam consumption (s.s.c.) of a reheat cycle operating between pressures 8 MPa and 9.6 kPa with a superheat temperature and reheat temperature of 773 K and 773 K, respectively.(Assume steam condition after first expansion as dry saturated and neglect work input to boiler feed pump.)

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  • steam piping systems - an overview | sciencedirect topics

    Steam Piping Systems - an overview | ScienceDirect Topics

    The steam lines are a critical components system in the boiler tower: in particular the main steam and hot reheat lines are made by thick pipes that are necessary to transfer the steam from the top of the boiler to the steam turbine room, generally located at ground level.

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  • package boiler and steam turbine generating

    package boiler and steam turbine generating

    The boiler shall be specified for the maximum steam temperature required at the superheater outlet for operation of the turbine generator. The specified temperature is equal to the sum of the operating temperature at the turbine throttle valve inlet plus the main steam temperature … View More; Steam Boiler - Definition, Working Principle

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  • thermal efficiency of steam turbine - nuclear power

    Thermal Efficiency of Steam Turbine - Nuclear Power

    In a typical wet steam turbines, the exhausted steam condenses in the condenser and it is at a pressure well below atmospheric (absolute pressure of 0.008 MPa, which corresponds to 41.5°C). This steam is in a partially condensed state (point F), typically of a quality near 90%.

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  • chapter5 steam, turbine and feedwater


    As a result, the boiler produces steam to drive the turbine. Figure 5.2 shows a boiler typical ofthose used in large nuclear generating stations. Hot, pressurized heavy water enters the boiler and passes through the tube bundle. .The heavy water inside the tube is hotter th'lll the feedwater around the tubes. This allows heat transfer

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  • steam turbine flow & operation | processing magazine

    Steam turbine flow & operation | Processing Magazine

    When the steam is expanded through a high-pressure ratio, as in large steam turbines, the steam can begin to condense in the turbine when the temperature of the steam drops below the saturation temperature at that pressure. If water drops form in the steam turbine, blade erosion would occur when the drops impact the blades.

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  • the evolution of steam attemperation

    The Evolution of Steam Attemperation

    The next generation of combustion turbines, HRSGs, and steam turbines will be able to operate at final steam temperatures that are projected to reach 1,150F. As steam temperatures rise, the need

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  • design rules for steam condensate systems


    condensate flow in upward inclined steam pipe Condensate is generated when fractions of extracted steam from the turbine transfer heat to feedwater in the feedwater heaters. Also small amounts of condensate form in steam 30% of the total heat contained by the live steam. Thus the boiler …

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  • steam power ii test #3 flashcards | quizlet

    Steam Power II Test #3 Flashcards | Quizlet

    The primary purpose of a control desuperheater installed in the steam drum of a boiler is to _____. a) assure a constant volume of steam flow through the entire superheater under all load conditions b) regulate the temperature of superheated steam by adding moisture c) regulate the superheater outlet temperature by cooling a portion of the

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  • powerpoint presentation

    PowerPoint Presentation

     · Web view

    There is, however, some additional fuel input to the boiler, to raise its outlet steam temperature from 950 °F to 954 °F, so the plant gross efficiency gain due to reinstating throttle temperature, from 35.11% to 35.16% (0.05%) is less than its gross power output gain from 66046 to 66274 kW (0.35%).

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  • mc steam boilers and turbines for power plants r

    MC Steam Boilers and Turbines for Power Plants R

    The specified temperature is equal to the sum of the operating temperature at the turbine throttle valve inlet plus the main steam temperature drop (between the superheater outlet and turbine throttle valve inlet) with the sum rounded out to the next higher unit of 5 degrees F. 1.2.2 MAXIMUM ALLOWABLE WORKING PRESSURE.

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  • steam temperature control | control notes

    Steam Temperature Control | Control Notes

    After separation from the boiler water in the drum, the steam is superheated to improve the thermal efficiency of the boiler-turbine unit. Modern boilers raise the steam temperature to around 1000F (538C), which approaches the creep (slow deformation) point of the steel making up the superheater tubing.

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  • what happens to the main steam temperature and pressure if

    What happens to the main steam temperature and pressure if

    Jun 29, 2018 · Nothing much. You would need one boiler generating steam to have a main line with pressurized steam inside. If you bring a second boiler up to mains pressure and open the valve connecting it to the mains, no steam will flow from this second boiler

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  • ep2516925a2 - economizer water recirculation system for

    EP2516925A2 - Economizer water recirculation system for

    If not used directly in a process, the steam may be passed to a superheater wherein the steam is heated further. The superheated steam increases the efficiency of a steam turbine to which it is supplied. [0006] Typically, the temperature of the boiler flue gas leaving the economizer is lower when the boiler is operating at reduced steam flows.

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  • deltak steam boiler

    deltak steam boiler

    deltak steam turbine boiler – Price For Coal Fired Boiler 4-13 · The company was restructured to a joint venture company, Deltak power equipment (China) Co., Ltd in 2004.It had been dedicated to the designing and manufacturing heat recovery steam generators ( HRSG ), special boiler for providing the high – quality HRSG

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  • chapter5, lesson c - analysis of a steam power cycle

    Chapter5, Lesson C - Analysis of a Steam Power Cycle

    A simple steam power plant operates on 8 kg/s of steam. Losses in the connecting pipes and through the various components are to be neglected. Calculate … a.) The power output of the turbine: b.) The power needed to operate the pump: c.) The velocity in the pump exit pipe: d.) The heat transfer rate necessary in the boiler: e.)

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  • steam turbines - mass engineers, steam engineering, steam

    Steam Turbines - Mass Engineers, Steam Engineering, Steam

    Steam Turbines . Turbine Classification In order to better understand turbine operation, five basic classifications are discussed. Type of compounding refers to the use of blading which causes a series of pressure drops, a series of velocity drops, or a combination of the two.Division of steam flow indicates whether the steam flows in just one direction or if it flows in more than one direction.

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  • steam turbine, steam boiler, power plant, steam power

    Steam Turbine, Steam Boiler, Power Plant, Steam Power

    Dec 31, 2017 · Steam Power Plant - Rupture Disk on Steam Turbine Casing - Salman Rafique [2169] - Thursday, August 10, 2017 2127 Views Steam Boiler South Africa - India [2165] - …

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  • essentials of steam turbine design and analysis | aiche

    Essentials of Steam Turbine Design and Analysis | AIChE

    Because BPSTs cogenerate two energy products (i.e., steam and power) simultaneously, they have an effective heat rate of 4,500–5,500 Btu/kWh, which represents an energy efficiency two to three times better than that of a condensing turbine, even after taking into account both boiler and turbine energy losses. (Heat rate is the amount of fuel

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