国家能源局公告

前言

1　总　　则

2　术语和缩略语

• 2.1　术　　语

• 2.2　缩略语

3　设计参数

• 3.1　介质设计压力

• 3.2　介质设计温度

• 3.3　介质流速

4　管道规格与材料

• 4.1　管道规格

• 4.2　材　　料

• 4.3　焊　　接

5　管道布置

• 5.1　一般规定

• 5.2　烟　　道

• 5.3　冷风道

• 5.4　热风道

• 5.5　原煤管道

• 5.6　制粉管道

• 5.7　送粉管道

6　道体及加固肋

• 6.1　一般规定

• 6.2　设计荷载

• 6.3　道体及加固肋设计

7　异型件优化选型

• 7.1　一般规定

• 7.2　异型件选型

8　零件和部件

• 8.1　一般规定

• 8.2　零　　件

• 8.3　部　　件

• 8.4　锁气器

• 8.5　风　　门

• 8.6　传动装置

• 8.7　补偿器

• 8.8　防爆门

9　防爆措施

10　支吊架

• 10.1　一般规定

• 10.2　支吊架选型

• 10.3　支吊架荷载计算

• 10.4　弹簧选择

附录A　常用烟风煤粉管道规格系列表

附录B　常用结构钢材及其使用温度

附录C　常用钢材特性数据

附录D　零件焊接图

附录E　加固肋典型布置及内撑杆节点结构型式

附录F　风荷载和雪荷载的计算

• F.1　风荷载

• F.2　雪荷载

附录G　加固肋焊接图

本标准用词说明

引用标准名录

1　General provisions

2　Terms and abbreviations

• 2.1　Terms

• 2.2　Abbreviations

3　Design parameters

• 3.1　Medium design pressure

• 3.2　Medium design temperature

• 3.3　Medium speed

4　Specifications and materials of ducts/piping

• 4.1　Specifications of ducts/piping

• 4.2　Materials

• 4.3　Welding

5　Layout of ducts/piping

• 5.1　General requirements

• 5.2　Flue gas ducts

• 5.3　Cold air ducts

• 5.4　Hot air ducts

• 5.5　Raw coal piping

• 5.6　Pulverized coal piping

• 5.7　Pulverized coal feeding piping

6　Ducts/piping body and stiffener

• 6.1　General requirements

• 6.2　Design load

• 6.3　Design of ducts/piping body and stiffener

7　Optimization and type selection of profiled members

• 7.1　General requirements

• 7.2　Type selection of profiled members

8　Components and parts

• 8.1　General requirements

• 8.2　Parts

• 8.3　Components

• 8.4　Gas locker

• 8.5　Damper

• 8.6　Driving device

• 8.7　Compensators

• 8.8　Explosion door

9　Measures for explosion prevention

10　Supports and hangers

• 10.1　General requirements

• 10.2　Selection of supports and hangers

• 10.3　Load calculation for supports and hangers

• 10.4　Selection of springs

Appendix A　Size of common air and flue gas ducts/pulverized coal piping

Appendix B　Conventional structural steel and its servicing temperature

Appendix C　Performance data of conventional steel materials

Appendix D　Schematic example for welding of parts

Appendix E　Typical layout of stiffener and structural form of internal brace node

Appendix F　Calculation of wind load and snow load

Appendix G　Schematic example for welding of stiffener

Explanation of wording in this code

List of quoted standards