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7/22/2019 Technical Improvment for CFBC Boiler
1/18
Product FamilyProduct Family
HRSGforCCPPHRSGforCCPP
GasifierforIGCCGasifierforIGCC
CFBBoilerCFBBoiler
WtEWtEBoilerBoilerCementKilnWHRBCementKilnWHRBBFGBoilerBFGBoiler
CDQWHRBCDQ
WHRB
PCBoilerPCBoiler
PlantAuxiliariesPlant
Auxiliaries
7/22/2019 Technical Improvment for CFBC Boiler
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Circulating Fluidized Bed Boiler
PPPC 130t/h & 65t/h CFB
PPPC 130t/h & 65t/h CFB
7/22/2019 Technical Improvment for CFBC Boiler
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85t/h 150t/h 250t/h 480t/h
Conventional Product
Overseas Expanding
Development
7/22/2019 Technical Improvment for CFBC Boiler
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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
7/22/2019 Technical Improvment for CFBC Boiler
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5. Improvement of air distribution nozzle
Before After
Advantages:
Better airdistribution &
better wear
prevention
Technical ImprovementTechnical Improvement
7/22/2019 Technical Improvment for CFBC Boiler
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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
7/22/2019 Technical Improvment for CFBC Boiler
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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!