Technical Improvment for CFBC Boiler

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  • 7/22/2019 Technical Improvment for CFBC Boiler

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    Product FamilyProduct Family

    HRSGforCCPPHRSGforCCPP

    GasifierforIGCCGasifierforIGCC

    CFBBoilerCFBBoiler

    WtEWtEBoilerBoilerCementKilnWHRBCementKilnWHRBBFGBoilerBFGBoiler

    CDQWHRBCDQ

    WHRB

    PCBoilerPCBoiler

    PlantAuxiliariesPlant

    Auxiliaries

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    Circulating Fluidized Bed Boiler

    PPPC 130t/h & 65t/h CFB

    PPPC 130t/h & 65t/h CFB

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    85t/h 150t/h 250t/h 480t/h

    Conventional Product

    Overseas Expanding

    Development

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    75t/h class75t/h class

    130t/h class130t/h class

    220t/h class220t/h class

    440t/h class440t/h class

    75 t/h CFB

    90 t/h CFB

    HBG CFB SeriesHBG CFB Series

    130 t/h CFB

    150 t/h CFB

    160 t/h CFB

    220 t/h CFB

    240 t/h CFB

    250 t/h CFB

    270 t/h CFB

    410 t/h CFB

    440 t/h CFB

    480 t/h CFB

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    Scope of SupplyScope of Supply

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    1. Improvement of slag pipe

    Outlet water

    Inlet water

    Sleeve type

    Advantages:

    Decrease thetemp. of slag

    pipe, to prevent

    its deformation

    & burnout

    Before After

    Technical ImprovementTechnical Improvement

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    2. Improvement of loop seal

    Advantages:

    Improve the

    load carrying

    of expansionjoint, &

    prolong its

    service life

    Before After

    Technical ImprovementTechnical Improvement

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    3.Addition of anti-corrosion tube at secondary APH inlet

    Anti-corrosion

    sleeve tube

    Air Preheater

    tubeAdvantages:

    Improve the

    anti-corrosion

    abili ty of airpreheater

    Technical ImprovementTechnical Improvement

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    4. Improvement of secondary air nozzle

    Advantages:

    Prevent thefall-off of

    refractory

    castable

    Before After

    Technical ImprovementTechnical Improvement

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    5. Improvement of air distribution nozzle

    Before After

    Advantages:

    Better airdistribution &

    better wear

    prevention

    Technical ImprovementTechnical Improvement

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    6. Improvement of water wall corner

    Advantages:

    Improve the

    gas flow fieldof water wall,

    to prevent the

    corner tube

    corrosion

    Before After

    Technical ImprovementTechnical Improvement

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    7. Wall enclosure flue gas inlet

    Before After

    Advantages:

    To prevent

    gas inlet SHtube abrasion

    Technical ImprovementTechnical Improvement

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    Add support in loop seal at

    each 2m distance

    Prevent sinking of internal

    refractory in loop seal

    8.1 Optimizing of refractory installation in loop seal

    Technical ImprovementTechnical Improvement

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    8.2 Optimizing of pin for loop seal & outlet duct

    Solidify the refractory material

    Technical ImprovementTechnical Improvement

    Before After

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    Before After

    Technical ImprovementTechnical Improvement

    8.3 Optimizing of water wall & wing SH

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    ReliableReliable Ignition:Ignition:

    two types of ignitiontwo types of ignition

    Design Features of Large-scale CFB

    PA

    Oil

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    Trousers-shape

    Loop seal

    Design Features of Large-scale CFB

    Site picture

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    Thank you!Thank you!Thank you!