Foreword

1　General　Provisions

2　Terms

3　Basic　Provisions

• 3.1　General　Provisions

• 3.2　The　Interface　Between　Erection　and　Buildings

4　Steel　Structures　and　Metal　Parts

• 4.1　General　Provisions

• 4.2　Boiler　Foundation　Inspection，Lineation　and　Pad　Iron　Erection

• 4.3　Boiler　Steel　Structures　Erection　and　Secondary　Grouting

• 4.4　Manholes，Observation　Holes　and　Boiler　Setting　Parts

• 4.5　Boiler　Sealing　Elements

• 4.6　Combustion　Equipment

• 4.7　Air　Heater

• 4.8　Inspection　and　Documentation

5　Heating　Surface

• 5.1　General　Provisions

• 5.2　Steam　Drum，Steam-water　Separator　and　Header

• 5.3　Waterwalls

• 5.4　Superheater，Reheater，Economizer　and　Desuperheater

• 5.5　Boiler　Water　Circulating　Pump　and　Start-up　Pump

• 5.6　Circulating　Fluidized　Bed　Boiler　Heating　Surface　Equipment

• 5.7　Hydrostatic　Test

• 5.8　Inspection　and　Documentation

6　Boiler　Attached　Pipes　and　Accessories

• 6.1　General　Provisions

• 6.2　Boiler　Blowdown，Sampling，Heating，Drain　and　Discharge，Vent　and　Desuperheating　Pipes

• 6.3　Start-up　System

• 6.4　Water　Level　Indicator　for　Steam　Drum

• 6.5　Safety　Valves

• 6.6　Soot　Blowing　System

• 6.7　Inspection　and　Documentation

7　Flue　Gas/Air　Ducts，Fuel/Bulk　Material　Pipes　and　Auxiliary　Equipment

• 7.1　General　Provisions

• 7.2　Assembly　and　Erection　of　Flue　Gas/Air　Ducts　and　Fuel/Bulk　Material　Pipes

• 7.3　Accessories　and　Devices　of　Flue　Gas/Air　Ducts，Fuel/Bulk　Material　Pipes

• 7.4　Leak　Test　for　Furnace　and　Flue　Gas　System

• 7.5　Dust　Precipitators

• 7.6　Inspection　and　Documentation

8　Desulfurization　and　Denitrification

• 8.1　General　Provisions

• 8.2　Flue　Gas　Desulfurization

• 8.3　Flue　Gas　Denitrification

• 8.4　Inspection　and　Documentation

9　Equipment　and　Pipes　of　Fuel　Oil　System

• 9.1　General　Provisions

• 9.2　The　Oil　Unloading　Device　and　Pipes

• 9.3　Oil　Tank　and　Accessories

• 9.4　Oil　Supply　Equipment　and　Pump　Room　Pipes

• 9.5　Plant　Fuel　Pipes

• 9.6　Boiler　Room　Fuel　Pipes

• 9.7　Blowing　and　Oil-passing　Test　of　Fuel　Oil　System

• 9.8　Required　Conditions　Before　Receiving　Oil　for　Fuel　Oil　System

• 9.9　Inspection　and　Documentation

10　Boiler　Auxiliary　Machineries

• 10.1　General　Provisions

• 10.2　General　Rules　for　the　Erection　of　Auxiliary　Machineries

• 10.3　Oil　System　of　Auxiliary　Machinery

• 10.4　Coal　Mills

• 10.5　Fans

• 10.6　Coal　Feeder

• 10.7　Air　Compressor

• 10.8　Ash　Handling　Equipment

• 10.9　Slag　Dragging　Machine

• 10.10　Slag　Crusher

• 10.11　Bucket　Chain　Conveyor

• 10.12　Chain　Bucket　Elevator

• 10.13　Equipment　of　Bottom　Ash　Cooler

• 10.14　Inspection　and　Documentation

11　Coal　Handling　Equipment

• 11.1　General　Provisions

• 11.2　Rubber　Belt　Coal　Conveyor

• 11.3　Coal　Unloader　for　the　Rubber　Belt　Coal　Conveyer

• 11.4　Magnetic　Separator

• 11.5　Coal　Crusher

• 11.6　Coal　Screening　Machine

• 11.7　Unloading　Equipment　and　Coal　Yard　Equipment

• 11.8　Inspection　and　Documentation

12　Boiler　Setting　and　Insulation　&　Corrosion　Protection　of　Thermal　Equipment　and　Pipes

• 12.1　General　Provisions

• 12.2　The　Refractory　and　Insulation　Materials

• 12.3　Unshaped　Abrasion　Resistant　Refractory　Materials　Construction

• 12.4　Furnace　Lining　Construction

• 12.5　Insulation　Construction　of　Boiler　Proper，Thermal　Equipment　and　Pipes

• 12.6　Outer　Casing　Construction　for　Boiler　Proper，Thermal　Equipment　and　Pipes

• 12.7　Corrosion　Protection

• 12.8　Seasonal　Construction

• 12.9　Inspection　and　Documentation

13　Trial　Operation　and　Acceptance　of　Boiler　Unit

• 13.1　General　Provisions

• 13.2　Main　Points　for　Boiler　Trial　Operation

• 13.3　High　Temperature　Drying-out

• 13.4　Boiler　Chemical　Cleaning

• 13.5　Flushing　and　Blowing　of　Pipes

• 13.6　Steam　Leak　Test　and　Safety　Valve　Adjustment

• 13.7　Start-up　Trial　Operation　of　the　Complete　Boiler　Unit

• 13.8　Inspection　and　Documentation

Appendix　A　Urban　Refuse　Incineration　Boiler　Erection

• A.1　General　Provisions

• A.2　Refuse　Incineration　Boiler　Erection

• A.3　Inspection　and　Documentation

Appendix　B　Biomass　Incineration　Boiler　Erection

• B.1　General　Provisions

• B.2　Biomass　Incinerator　Boiler　Erection

• B.3　Inspection　and　Documentation

Appendix　C　Gas-turbine　Heat　Recovery　Boiler　Erection

• C.1　General　Provisions

• C.2　Erection　of　the　Framework　and　Related　Metal　Structures

• C.3　Heating　Surface　Erection

• C.4　Erection　of　Flue　Gas　Ducts

Appendix　D　Manufacture　and　Assembly　Tolerance　of　Boiler　Steel　Structure

• D.1　Material　Cutting　and　Opening　Size　Deviation

• D.2　Edge　Deviation　of　Butt　Joints

• D.3　Structural　Steel　Assemblies

• D.4　Plate　Girder　Components

• D.5　Beams（Not　Including　Plate　Girders）

• D.6　Columns

• D.7　Frameworks　and　Trusses

• D.8　Platforms　and　Staircases

• D.9　Size　Deviation　Correction

Appendix　E　The　Critical　Temperature　of　Common　Steels　in　Thermal　Power　Erection

Appendix　F　Allowable　Deviation　of　Boiler　Foundation　Axes　and　Overall　Dimension

Appendix　G　Inspection　Items　of　High　Strength　Bolt　Connection　Projects

Appendix　H　Manufacturing　and　Assembly　Tolerance　of　Tubular　Air　Heater

• H.1　The　Edge　Deviation　of　Butt　Welds

• H.2　Tube　Sheet

• H.3　Tube　Channel

Appendix　J　Allowable　Deviations　of　the　Outer　Diameter　and　Wall　Thickness　of　Heating　Surface　Tubes

Appendix　K　Strength　Calculation　Requirements　of　Temporary　Tubes　and　Plugs　for　Hydrostatic　Test

• K.1　Wall　Thickness　Calculation

• K.2　The　Maximum　Allowable　Diameter　Calculation

• K.3　Wall　Thickness　Calculation　of　Heads　and　Plugs

Appendix　L　Manufacturing　Size　Allowable　Deviation　of　Gas（Air）Ducts　and　Fuel（Material）Pipes

Appendix　M　Inspection　Requirements　of　Filter　Bag　and　Its　Theoretical　Value　of　Erection　Pre-tention　Force

Appendix　N　Allowable　Deviation　of　Large　Power　Equipment　Foundation

Appendix　P　Requirements　of　Track　Laying

Appendix　Q　Paint　Color　and　Marking　of　Main　Equipment　and　Pipes

Explanation　of　Wording　in　This　Code

Referenced　Standards