DL/T 5240-2010 火力发电厂燃烧系统设计计算技术规程：英文 - 工标库
由工标库AI生成
查看更多
DL/T 5240-2010 火力发电厂燃烧系统设计计算技术规程：英文现行
收藏
-
Explanation
-
翻译出版说明
-
National Energy Administration Announcement
-
Foreword
-
Introduction
-
1 Scope
-
2 Normative References
-
3 Terms，Definitions and Symbols
-
3.1 Terms and Definitions
-
3.2 Symbols
-
4 General Provisions
-
5 Type and Quality of Coal
-
5.1 Design Coal and Check Coal Type
-
5.2 Coal Quality Analysis Items
-
5.3 Verification and Confirmation of Coal Quality Analysis Data
-
5.4 Limestone/Lime Analysis Data
-
6 Evaluation of Coal Quality Level
-
6.1 Coal Type and Coal Quality Level
-
6.2 Evaluation Indices of Coal Quality
-
7 Selection of Air and Flue Gas System for Boiler Units
-
7.1 Air and Flue Gas System
-
7.2 System for Heating the Inlet Air of Air Preheater
-
7.3 Gas Exhaust System of Flue Gas Treatment Process
-
8 Thermodynamic Calculation of Combustion System
-
8.1 General Requirements
-
8.2 Original Data
-
8.3 Boiler Efficiency
-
8.4 Calculation of Fuel Consumption
-
8.5 Calculation of Amount of Air Required for Burning 1kg Coal and Composition of the Produced Flue Gas
-
8.6 Temperature and Pressure of Air and Flue Gas
-
8.7 Balancing and Coordination of Air Flow within Combustion System
-
8.8 Calculation of Air and Flue Gas Flows at Various Positions of Boiler Unit
-
8.9 Calculation of Dew Points of Air and Flue Gas
-
8.10 Calculation of Carbon Dioxide Emission Flow
-
9 Flue Gas Flow and Thermodynamic Calculation of Flue Gas Purification System
-
9.1 Flue Gas Flow Calculation of Dry Dedusting System
-
9.2 Flue Gas Flow and Thermodynamic Calculation of Wet or Semi-dry Purification System
-
9.3 Thermodynamic Calculation of Wet FGD System
-
9.4 Thermodynamic Characteristics Calculation for Humidified Flue Gas
-
9.5 Temperature Drop Calculation of Stack
-
10 Thermodynamic Calculations of the Preheater Inlet Air Heating System
-
10.1 General Requirements
-
10.2 Thermodynamic Calculation of Hot Air Recirculation Heating System
-
10.3 Thermodynamic Calculation of Steam Air Heater System
-
11 Aerodynamic Calculation of Combustion System
-
11.1 General Requirements
-
11.2 Design Optimization for the Through-flow Part of Flue Gas and Air Ducts
-
11.3 Selection of Medium Flow Velocity in the Ducts of Combustion System
-
11.4 Frictional Resistance of Flue Gas and Air Ducts
-
11.5 Local Resistance of Flue Gas and Air Ducts
-
11.6 Provisions for Simplified Calculation of Resistance of Flue Gas and Air Ducts
-
11.7 Equipment Resistance
-
11.8 Stack Draft
-
11.9 Stack Resistance
-
11.10 Calculation Resistance of the System and the Corrections
-
12 Selection of Fans for Combustion System
-
12.1 Selection of Types，Number，Air Flows and Pressure Heads of Fans
-
12.2 Selection of Speeds of Fans
-
12.3 Calculation for Selecting Types of Fans
-
12.4 Selection of Model Sizes of Fans
-
12.5 Selection of Driving Mode and Regulation Mode of Fans
-
12.6 Determination of Power of Fan Motors
-
13 Selection of Precipitator
-
13.1 General Requirements
-
13.2 Electrostatic Precipitator
-
13.3 Fabric Filters
-
14 Type Selection of Stacks and Associated Calculations
-
14.1 General Requirements
-
14.2 Selection of Number and Heights of Stacks and Inner Diameters of Cylinder Outlets
-
14.3 Determination of Upper Limit of the Exit Gas Flow
-
14.4 Distribution Characteristics of Static Pressure within Inner Cylinders of Stack
-
14.5 Type Selection and Design of Wet Stacks
-
15 Furnace Safeguard Supervisory System and Explosion，Implosion and Fire Prevention Measures of Combustion System
-
15.1 General Requirements
-
15.2 Implosion and Explosion Prevention Design Pressure of Furnace
-
15.3 Implosion and Explosion Prevention Design Pressure of Air and Flue Gas System
-
15.4 Provision of Implosion or Explosion Vents at Furnace and the Flue Ducts at Boiler Tail
-
15.5 Fire Prevention Measures of Regenerative Air Preheaters and Flue Gas Ducts at Boiler Tail
-
15.6 Explosion Prevention Measures of Plasma Ignition System
-
Appendix A（Normative） Symbols
-
Appendix B（Normative） Thermal Calculation Method for Combustion System of Boilers Employing Limestone for Flue Gas Desulpherization
-
B.1 General Calculation
-
B.2 Selection of Calculation Methods
-
B.3 Coal Correction Method for Flue Gas and Air Flow Calculation When Limestone is Fed into Boilers for Desulfurization Purpose
-
B.4 Calorific Value Correction for CFB Boilers
-
Appendix C（Informative） References for Design Calculation of Combustion System
-
C.1 Permissible Deviation Range of Coal Quality for Utility Boiler
-
C.2 Method Used to Convert the Data on Various Bases for Analysis of Coal Quality
-
C.3 Method Used to Convert the Calorific Value of Coal
-
C.4 Methods Used to Check the Industrial and Element Analysis Data Contained in Coal Quality Analysis Data
-
C.5 Methods Used to Verify the Calorific Value Contained in Coal Quality Analysis Data
-
C.6 Methods for Checking Fusibility Data of Coal Ash
-
C.7 Methods for Checking Coal Ash Constituents Data
-
C.8 Analysis Data of Representative Coal Types Sourced from Several Energy Bases in China
-
C.9 Classification of Coals Produced in China（GB 5751-2009）
-
C.10 Classification of Coals Produced in the United States of America
-
C.11 Reference criteria for evaluating the slagging indices and cont amination indices of coal
-
C.12 Specific Heat Capacity of Coal and Pulverized Coal
-
C.13 Specific Heat Capacity of Air，Flue Gas and Fly Ash
-
C.14 Recommended Flow Velocity for The Ducts of Combustion System
-
C.15 Table s and Figures for Reference of Frictional Resistance in Air and Flue Gas Ducts
-
C.16 Table s and Figures for Reference of Local Resistance in Air and Flue Gas Ducts
-
C.17 Resistance Coefficient of the Divergent Duct at Fan Outlet
-
C.18 Excess Air CoefficientαF at Furnace Outlet
-
C.19 Air Leakage Coefficients of Furnace and Flue Gas Ducts Under Rated Load
-
C.20 Air Leakage Coefficient of Pulverizing System Δαpul（average value for reference）
-
C.21 Characteristic Data of Flue Gas Produced by Burning the Typical Coal Types in China，Used for Thermodynamic Calculation of Combustion System
-
C.22 Conversion of Gas Concentrations Between the Units of ppm and mg/m3
-
Appendix D（Normative） Optimization of Type Selection of Through Flow Components of Air and Flue Gas Ducts
-
D.1 Straight Duct
-
D.2 Elbows
-
D.3 Reducer Ducts
-
D.4 The Divergent Angle of Divergent Duct at the Outlet of Centrifugal Fan Should Meet the Following Rquirements
-
D.5 Inlet Wind Box of Fan
-
D.6 Combined Elbows
-
D.7 Tees
-
D.8 Header
-
D.9 Air and Flue Gas Ducts at Inlet and Outlet of Regenerative Air Preheater
-
D.10 Air Suction Inlet
-
D.11 Stack Foundation Inlet
-
Appendix E（Normative） Analysis Methods for Coal Consumption and Thermal Parameters of Boilers When Raising the Inlet Air Temperature of Air Preheater
-
E.1 Two Definitions of Boiler Efficiency and Heat Loss Due to Exhaust Gas When Raising the Air Supply Temperature
-
E.2 Calculation Methods for Boiler Efficiency and Heat Loss Due to Exhaust Gas when Raising Air Supply Temperature
-
E.3 Calculation of Change Rate of Enthalpy of Flue Gas，Kx
-
E.4 Changes in the Temperature of Hot Air Leaving Air Preheater
-
Appendix F（Informative） Aerodynamic Characteristics Verification for Vibration Prevention and Noise Reduction of Air and Flue Gas System
-
F.1 Vibration of Air and Flue Gas Ducts
-
F.2 Vibration Prevention Measures for Air and Flue Gas Ducts
-
F.3 Elimination of Vibration Sources of Air and Flue Gas Ducts Generated at the Boiler Side
-
F.4 Elimination of Vibration Sources of Air and Flue Gas Ducts Generated at Fan Side
