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Improve Energy Collection with Superheater and Reheater for Steam Generating Furnaces

    Buy cheap Improve Energy Collection with Superheater and Reheater for Steam Generating Furnaces from wholesalers
     
    Buy cheap Improve Energy Collection with Superheater and Reheater for Steam Generating Furnaces from wholesalers
    • Buy cheap Improve Energy Collection with Superheater and Reheater for Steam Generating Furnaces from wholesalers
    • Buy cheap Improve Energy Collection with Superheater and Reheater for Steam Generating Furnaces from wholesalers
    • Buy cheap Improve Energy Collection with Superheater and Reheater for Steam Generating Furnaces from wholesalers
    • Buy cheap Improve Energy Collection with Superheater and Reheater for Steam Generating Furnaces from wholesalers

    Improve Energy Collection with Superheater and Reheater for Steam Generating Furnaces

    Ask Lasest Price
    Brand Name : HD BOILER
    Model Number : Superheater and Reheater
    Certification : ISO9001 , SGS , TUV , ASME , EN
    Price : Negotiable
    Payment Terms : L/C, T/T, Western Union
    Supply Ability : 1500 Tons / Month
    Delivery Time : 50 ~ 100 Days
    • Product Details
    • Company Profile

    Improve Energy Collection with Superheater and Reheater for Steam Generating Furnaces


    Improve Energy Collection with Superheater and Reheater for Steam Generating Furnaces


    Function



    Superheater is to increase the temperature of the steam above its saturation point.
    Reheater is basically a superheater that superheats steam exiting the high-pressure stage of a turbine. The reheated steam is then sent to the low-pressure stage of the turbine. By reheating steam between high-pressure and low-pressure turbine it is possible to increase the electrical efficiency of the power plant cycle beyond 40%.The reheat cycle is used in large power boilers since it is feasible economically only in larger power plants.


    Description


    Superheater
    Fossil fuel power plants often have a superheater section in the steam generating furnace.The steam passes through drying equipment inside the steam drum on to the superheater, a set of tubes in the furnace. Here the steam picks up more energy from hot flue gases outside the tubing, and its temperature is now superheated above the saturation temperature.

    Reheater
    Power plant furnaces may have a reheater section containing tubes heated by hot flue gases outside the tubes. Exhaust steam from the high-pressure turbine is passed through these heated tubes to collect more energy before driving the intermediate and then low-pressure turbines.

    Type
    Advantages
    Disadvantages
    Supporting method
    Pendant-type
    1.Firm structural support
    1. Flow blockage by condensed steam 2. Needs slow restart to purge the water that accumulates in the bottom.
    supported from above
    Inverted-type
    1.Proper drainage of the condensed steam
    1. Lack the structural rigidity, especially in high speed gas flow
    Supported from below
    Horizontal -type
    1. Proper drainage
    2. Good structural rigidity
    1. They do not view the flam directly so they are mainly from the convective type
    Usually supported in the vertical gas ducts parallel to the main furnace.


    Advantages & Disadvantages


    Pendant-type 1.Firm structural support

    1. Flow blockage by condensed steam

    2. Needs slow restart to purge the water that accumulates in the bottom. supported from above

    Inverted-type 1.Proper drainage of the condensed steam

    1. Lack the structural rigidity, especially in high speed gas flow Supported from below

    Horizontal -type

    1. Proper drainage

    2. Good structural rigidity.


    They do not view the flam directly so they are mainly from the convective type Usually supported in the vertical gas ducts parallel to the main furnace.



    Advance technology


    1HDB has extensive experience using their remaining useful life analysis system to predict the lifespan of tubes.
    2The system measures the oxide and wall thickness of the tube during an on-site non-destructive test and this is used to calculate the remaining useful life.
    3HDB developed the oxide measuring technology in 1991 and it is now used as the standard throughout the world.

    Details


    1Material compositionCarbon steel, alloy steel or heat-resistant steel, collection boxes and other supporting material. Tubes are customized types of specifications.
    2Design patternVertical or horizontal layout.
    3AdvantagesBeautiful appearance, size, accuracy, first-class bending and welding technology, first-class detection equipment.

    Product Function


    1.The function of the superheater in the thermal power plant is to remove the last traces of moisture ( 1 to 2%) from the saturated steam coming out of boiler and to increase its temperature sufficiently above saturation temperature.


    2.The super-heating heating raises overall overall cycle efficiency efficiency as well as avoids too much condensation in the last stages of the turbine which avoids the blade erosion.


    3.The heat of combustion gases from furnace is utilized for the removal of moisture from steam and to superheat the steam.


    4.Super-heaters usually have several tube circuits in parallel with one or more return bends, connected between headers.


    Product display



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