GB 50049-2011 小型火力发电厂设计规范 - 工标库
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GB 50049-2011 小型火力发电厂设计规范现行
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中华人民共和国住房和城乡建设部公告
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Announcement of Ministry of Housing and Urban-Rural Development of the People s Republic of China
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Foreword
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1 General
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2 Terms
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3 Basic Requirements
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4 Heating（Cooling）and Electrical Load
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4.1 Heating（Cooling）Load and Heating（Cooling）Medium
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4.2 Electrical Load
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5 Siting
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6 Overall Planning
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6.1 General Requirements
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6.2 Planning of Plant Area
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6.3 Off-site Planning
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7 Main Power Building Arrangement
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7.1 General Requirements
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7.2 Main Power Building Arrangement
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7.3 Maintenance and Repair Facilities
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7.4 Integrated Facilities
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8 Coal Handling System
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8.1 General Requirements
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8.2 Coal Unloading Facilities and Off-site Transportation
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8.3 Belt Conveyor System
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8.4 Coal Yard and Relevant Facilities
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8.5 Screen and Coal Crusher
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8.6 Limestone Storage and Pulverizing System
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8.7 Coal Handling Control Mode
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8.8 Coal Handling Auxiliary Facilities and Ancillary Buildings
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9 Boiler Equipment and System
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9.1 Boiler Equipment
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9.2 Coal Pulverizing System
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9.3 Flue Gas and Air System
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9.4 Ignition and Combustion Supporting Oil System
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9.5 Boiler Auxiliary System and Associated Equipment
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9.6 Startup Boiler
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10 Ash Handling System
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10.1 General Requirements
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10.2 Hydraulic Ash Handling System
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10.3 Mechanical Bottom Ash Handling System
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10.4 Dry Fly Ash Handling System
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10.5 Off-site Ash Transportation System
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10.6 Control and Maintenance Facilities
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10.7 Ash Handling System for CFB Boiler
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11 Flue Gas Desulfurization System
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12 DeNOx System
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13 Steam Turbine Equipment and System
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13.1 Steam Turbine Equipment
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13.2 Main Steam System and Heat Supplying Steam System
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13.3 Feedwater System and Feedwater Pump
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13.4 Deaerator and Feedwater Tank
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13.5 Condensate System and Condensate Pump
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13.6 Drain Pump of Low-pressure Heater
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13.7 Drain Flash Tank，Drain Tank，Drain Pump，Low-level Water Tank，and Low-level Water Pump
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13.8 Service Water System
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13.9 District Heating System Heater and System
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13.10 Temperature and Pressure Reducing Devices
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13.11 Condensate Recovery Device for Steam Network
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13.12 Condenser and Its Auxiliary Facilities
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14 Water Treatment Equipment and System
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14.1 Water Pretreatment System
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14.2 Water Pre-desalination System
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14.3 Boiler Makeup Water Treatment System
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14.4 Chemical Dosing and Water-Steam Sampling of Thermodynamic System
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14.5 Cooling Water Treatment
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14.6 Water Treatment System for District Heating System Makeup Water and Industrial Return Water
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14.7 Chemicals Storage and Solution Tank
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14.8 Design and Anticorrosion of Tanks，Channels，Pipes，and Valves
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14.9 Chemical Laboratory and Instruments
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15 Information System
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15.1 General Requirements
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15.2 Overall Planning of Plant Information System
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15.3 Management Information System
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15.4 Price Bidding System
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15.5 Video Monitoring System
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15.6 Access Guard Management System
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15.7 Cabling
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15.8 Information Security
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16 Instrumentation and Control
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16.1 General Requirements
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16.2 Control Mode and Automation Level
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16.3 Arrangement of Control Room and Electrical Equipment Room
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16.4 Measurement and Instrumentation
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16.5 Modulating Control
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16.6 On-off Control and Interlocking
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16.7 Alarm
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16.8 Protection
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16.9 Control System
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16.10 Control Power Supply
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16.11 Arrangement of Cables，Instrument Conduits，and Local Equipment
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16.12 Instrumentation and Control Laboratory
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17 Electrical Equipment and System
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17.1 Generator and Main Transformer
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17.2 Main Electrical Connection
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17.3 AC Auxiliary Power System
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17.4 HV Switchgears
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17.5 DC Power Supply System and AC UPS
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17.6 Electrical Supervisory and Control
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17.7 Electrical Measuring Devices
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17.8 Relaying Protection and Automatic Safety Devices
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17.9 Lighting System
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17.10 Selection and Laying of Cables
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17.11 Overvoltage Protection and Grounding
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17.12 Electrical Laboratory
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17.13 Electrical Installations in Areas with Fire and Explosion Hazards
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17.14 Inner Communication
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17.15 Power System Protection
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17.16 System Communication
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17.17 Remote Control
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17.18 Energy Metering
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18 Hydraulic Facilities and Systems
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18.1 Water Source and Water Balance Management
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18.2 Water Supply System
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18.3 Water Intake Structure and Pump House
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18.4 Delivery Pipeline，Culvert and Channel
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18.5 Cooling Facilities
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18.6 External Ash Handling System and Ash Yard
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18.7 Water Supply and Drainage
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18.8 Hydraulic Buildings（Structures）
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19 Auxiliary and Ancillary Facilities
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20 Architecture and Structure
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20.1 General Requirements
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20.2 Seismic Design
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20.3 Structure of the Main Building
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20.4 Subgrade and Foundation
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20.5 Daylighting and Natural Ventilation
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20.6 Thermal Engineering and Noise Control in Buildings
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20.7 Water Proofing and Drainage
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20.8 Indoor and Outdoor Decoration
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20.9 Door and Window
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20.10 Living Facilities
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20.11 Chimney
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20.12 Coal Conveying Structures
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20.13 Supporting Structure of Air Cooled Condenser
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20.14 Live Loads
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21 Heating，Ventilation and Air Conditioning
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21.1 General Requirements
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21.2 Main Power Building
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21.3 Electrical Buildings and Electrical Equipment
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21.4 Coal Handling Building
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21.5 Chemical Building
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21.6 Other Auxiliary and Accessory Buildings
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21.7 Refrigerating Station，Heating Station，and Piping Network in the Plant Area
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22 Environmental Protection and Soil and Water Conservation
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22.1 General Requirements
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22.2 Design Requirements for Environmental Protection and Soil and Water Conservation
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22.3 Principle for Treatment of Pollution Sources
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22.4 Environmental Management and Monitoring
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22.5 Soil and Water Conservation
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23 Labor Safety and Occupational Health
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23.1 General Requirements
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23.2 Labor Safety
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23.3 Occupational Health
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24 Fire Protection
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Appendix A Total Water Quality Analysis Report
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Explanation of Wording in This Code
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List of Quoted Standards
