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High Integrity Superheater And Reheater Tubular Heat Exchangers Cooling Coils

Categories Superheater And Reheater
Brand Name: HD Boiler
Model Number: Superheater and Reheater
Certification: ISO9001 , SGS , TUV , ASME , EN
Place of Origin: China
MOQ: 1Set
Price: Negotiable
Payment Terms: L/C, T/T, Western Union
Supply Ability: 1500 Tons / Month
Delivery Time: 30 Days
Packaging Details: Seaworthy Packing
Fuel: Coal/Gas/Oil-fired,Water Heat
Type: Coils
Pressure: Low/High Pressure
Range of Applications: Industry/Power Station
Specification: Customized
Coler: Red/blue/black
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    High Integrity Superheater And Reheater Tubular Heat Exchangers Cooling Coils

    High Integrity Superheater And Reheater Tubular Heat Exchangers Cooling Coils


    Product Function


    For boilers in large power stations, superheaters and reheaters are necessary parts, to a large extend, they have influnced the safety and economy of boilers. Superheaters are the heating surfaces which heat the main steam from the surnatured temperature to the rated superheated temperature, and the reheaters are the heating surfaces which heat the exaust from the steam turbine high pressure cylinder to a certain temperature.When running conditions like boiler loads, coal types change, it is to adjust them to make sure the outlet temperature at the rated level of -10-+5 degrees.


    For large boilers in power stations, superheaters and reheaters account for a big proportion in the total heating surfaces, they are to be arranged in the areas where smoke is with higher temperature. To improve the efficiency of thermal circulation in power stations, it is needed to improve the original parameters f steam gradually, the increase of steam pressure requires the corresponding increase of temperature for superheated steam, or the humidity of large stage exhaust of steam turbine will be too high, which will influence its safety. Thus, the steam flowing through superheaters and reheaters are high temperature steam, their heat transfer performance is quite bad, which determines that tube wall temperatures of superheaters and reheaters are high.


    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.


    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.


    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.

    Design structure

    1. heating saturated steam, temperature up to 900 degree C.


    2. high efficiency, >90%.


    3. high speed heating.


    4. design with stainless steel.


    5. long design service life, 15 years.



    Send us required technical data, such as steam capacity, presure, required temperature etc. We will design accordingly.


    HD Boiler offers a best in class facility,including

    • Fabrication area of 200,000 square meters
    • 150 Engineers
    • 600 Coded welders
    • 60 Licensed Inspectors (including NDT level-lll instructors)
    • Grade-ALicenses for Design and Manufacture boiler (issued by the State Administration of Quality Supervision and Inspection)
    • ISO 90001:2008 Quality System
    • ASME Certificate of Utility Boiler
    • ASME‘S’ , ‘U’ and NB stamp authorization

    Quality High Integrity Superheater And Reheater Tubular Heat Exchangers Cooling Coils for sale
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