DL/T 5142-2012 DL/T 5142-2012 火力发电厂除灰设计技术规程：英文版

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DL/T 5142-2012 火力发电厂除灰设计技术规程：英文版

Technical Code for the Design of Ash Handling System of Fossil-fired Power Plant

【标准号】　 DL/T 5142-2012
【发布日期】　2012-08-23
【标准状态】　现行
【实施日期】　2021-12-01
【适用范围】　 This code applies to the ash handling design in power plants with fuel solid fossils,garbage,and straw.

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标准信息

【主编部门】
Electric Power Planning and Engineering Institute
【批准部门】

National Energy Administration
【发布单位】

the National Energy Administration
【主编单位】

Northwest Electric Power Design Institute of China Power Engineering Consulting Group Corporation
【参编单位】

China Power Engineering Consulting Group Corporation；Northeast Electric Power Design Institute of China Power Engineering Consulting Group Corporation；North China Power Engineering Co.,Ltd.of China Power Engineering Consulting Group Corporation；Southwest Electric Power Design Institute of China Power Engineering Consulting Group Corporation；East China Electric Power Design Institute of China Power Engineering Consulting Group Corporation；Central Southern China Electric Power Design Institute of China Power Engineering Consulting Group Corporation
【主要起草人】

CAI Yuan；YU Changyou；YU Yongzhi；ZHENG Huimin；XU Hua；ZHAO Liqiong；GAO Wei；WANG Jun；YU Hua

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DL/T 5142-2012 火力发电厂除灰设计技术规程：英文版

Technical Code for the Design of Ash Handling System of Fossil-fired Power Plant

标准信息

中文目录

Introduction

翻译出版说明

National Energy Administration Announcement

Foreword

1 General Provisions

2 Terms

3 Pneumatic Ash Handling System

3.1 Basic Requirements

3.2 Pressure Pneumatic Conveying

3.3 Vacuum Conveying

3.4 Pneumatic Ash Conveying Pipes

3.5 Air Slide

3.6 Fly Ash Classifying System

4 Hydraulic Ash Handling System

4.1 Basic Requirements

4.2 Water Supply System for Ash Handling

4.3 Hydraulic Ejector

4.4 Ash Slurry Trench

4.5 Slurry Preparation Equipment

4.6 Centrifugal Ash Slurry Pump

4.7 Plunger Type Fly Ash Slurry Pump

4.8 Dewatering Bin and Clarifying Equipment

4.9 Bottom Ash Settlement Pond

4.10 Hydraulic Ash Conveying Pipe

5 Mechanical Ash Handling System

5.1 Basic Requirements

5.2 Air-cooled Slag Conveyor

5.3 Submerged Scrapper Conveyor

5.4 En-masse Scraper Conveyor

5.5 Vertical Bucket Elevator

5.6 Bucket Conveyor

6 Mill Rejects Conveying System

6.1 Basic Requirements

6.2 Simple Mechanical Conveying

6.3 Hydraulic Jet Pump Conveying

6.4 Mechanical Conveying

7 Air Supply System

7.1 Basic Requirements

7.2 Air Compressor and Treatment Facilities of Compressed Air

7.3 Rotary Blower and Vacuum Pump

8 Material Storage and Unloading System

8.1 Basic Requirements

8.2 Fly Ash Silo and Hopper

8.3 Bottom Ash Silo and Mill Rejects Bin

8.4 Unloading System and Equipment Selection

9 Off-site Transportation System

9.1 Basic Requirements

9.2 Truck Transportation

9.3 Belt Conveyor

9.4 Ship Transportation

10 Ash Handling System for CFB Boiler

10.1 Basic Requirements

10.2 Bottom Ash Handling System

10.3 Limestone Powder Handling System

11 Ash Handling System for Municiple Solid Waste Incineration Power Plant

11.1 Basic Requirements

11.2 Bottom Ash Handling System

11.3 Fly Ash Handling System

12 Ash Handling System for Straw Power Plant

12.1 Basic Requirements

12.2 Mechanical Ash Handling System

12.3 Pneumatic Ash Handling System

12.4 Ash Storage

13 Slime Pipelines Conveying System

13.1 Basic Requirements

13.2 Piping Conveying System

13.3 Equipment Selections

13.4 Slime Pump House

14 Design Requirements for Relevant Disciplines

14.1 Mechanical Discipline

14.2 I&C and Electrical Discipline

14.3 Civil and Hydraulic Structure Disciplines

14.4 Hydraulic and Water Treatment Disciplines

14.5 Heating and Ventilation Disciplines

14.6 General Plan Discipline

Appendix A Calculation of Ash Amount

National　Energy　Administration　Announcement

1　General　Provisions

2　Terms

3　Pneumatic　Ash　Handling　System

3.1　Basic　Requirements

3.2　Pressure　Pneumatic　Conveying

3.3　Vacuum　Conveying

3.4　Pneumatic　Ash　Conveying　Pipes

3.5　Air　Slide

3.6　Fly　Ash　Classifying　System

4　Hydraulic　Ash　Handling　System

4.1　Basic　Requirements

4.2　Water　Supply　System　for　Ash　Handling

4.3　Hydraulic　Ejector

4.4　Ash　Slurry　Trench

4.5　Slurry　Preparation　Equipment

4.6　Centrifugal　Ash　Slurry　Pump

4.7　Plunger　Type　Fly　Ash　Slurry　Pump

4.8　Dewatering　Bin　and　Clarifying　Equipment

4.9　Bottom　Ash　Settlement　Pond

4.10　Hydraulic　Ash　Conveying　Pipe

5　Mechanical　Ash　Handling　System

5.1　Basic　Requirements

5.2　Air-cooled　Slag　Conveyor

5.3　Submerged　Scrapper　Conveyor

5.4　En-masse　Scraper　Conveyor

5.5　Vertical　Bucket　Elevator

5.6　Bucket　Conveyor

6　Mill　Rejects　Conveying　System

6.1　Basic　Requirements

6.2　Simple　Mechanical　Conveying

6.3　Hydraulic　Jet　Pump　Conveying

6.4　Mechanical　Conveying

7　Air　Supply　System

7.1　Basic　Requirements

7.2　Air　Compressor　and　Treatment　Facilities　of　Compressed　Air

7.3　Rotary　Blower　and　Vacuum　Pump

8　Material　Storage　and　Unloading　System

8.1　Basic　Requirements

8.2　Fly　Ash　Silo　and　Hopper

8.3　Bottom　Ash　Silo　and　Mill　Rejects　Bin

8.4　Unloading　System　and　Equipment　Selection

9　Off-site　Transportation　System

9.1　Basic　Requirements

9.2　Truck　Transportation

9.3　Belt　Conveyor

9.4　Ship　Transportation

10　Ash　Handling　System　for　CFB　Boiler

10.1　Basic　Requirements

10.2　Bottom　Ash　Handling　System

10.3　Limestone　Powder　Handling　System

11　Ash　Handling　System　for　Municiple　Solid　Waste　Incineration　Power　Plant

11.1　Basic　Requirements

11.2　Bottom　Ash　Handling　System

11.3　Fly　Ash　Handling　System

12　Ash　Handling　System　for　Straw　Power　Plant

12.1　Basic　Requirements

12.2　Mechanical　Ash　Handling　System

12.3　Pneumatic　Ash　Handling　System

12.4　Ash　Storage

13　Slime　Pipelines　Conveying　System

13.1　Basic　Requirements

13.2　Piping　Conveying　System

13.3　Equipment　Selections

13.4　Slime　Pump　House

14　Design　Requirements　for　Relevant　Disciplines

14.1　Mechanical　Discipline

14.2　I&C　and　Electrical　Discipline

14.3　Civil　and　Hydraulic　Structure　Disciplines

14.4　Hydraulic　and　Water　Treatment　Disciplines

14.5　Heating　and　Ventilation　Disciplines

14.6　General　Plan　Discipline

Appendix　A　Calculation　of　Ash　Amount

Appendix　B　Calculation　of　Mill　Rejects　Amount

Appendix　C　Density　of　Some　Materials

Appendix　D　Calculation　of　Reynolds　Number

Explanation　of　Wording　in　this　Code

List　of　Quoted　Standards