中华人民共和国住房和城乡建设部公告

前言

1　总则

2　术语

3　管道布置与敷设

• 3.1　管道布置

• 3.2　敷设方式

• 3.3　管道材料

4　管路附件

• 4.1　管路附件及设施

• 4.2　管件及管道连接

5　管道强度计算及应力验算

• 5.1　工作管

• 5.2　外护管

6　保温结构和保温层

• 6.1　一般规定

• 6.2　保温结构

• 6.3　真空保温层

• 6.4　保温计算

7　外护管及防腐

• 7.1　一般规定

• 7.2　外护管的刚度和稳定性

• 7.3　外护管的防腐

8　施工与验收

• 8.1　一般规定

• 8.2　管道安装

• 8.3　保温补口

• 8.4　真空系统安装

• 8.5　试压、吹扫及试运行

• 8.6　施工验收

9　运行管理

• 9.1　一般规定

• 9.2　运行前的准备

• 9.3　暖管

• 9.4　运行维护

• 9.5　停止运行

附录A　全国主要城市实测地温（深度0.0m～3.2m）月平均值

附录B　直埋蒸汽管道邻近温度场的计算

附录C　钢管径向变形的计算

本规程用词说明

引用标准名录

1 General Provisions

3 Arrangement and Installation of Pipes

• 3.1 Arrangement of Pipes

• 3.2 Installation Method

• 3.3 Material of Pipes

4 Fittings of Pipes

• 4.1 Fittings and Accessories

• 4.2 Connecting of Pipes and Accessories

5 Calculation of Pipe Strength and Stresses

• 5.1 Working Pipe

• 5.2 Outer Protective Pipe

6 Insulation Construction and Insulating Layer

• 6.1 General Requirements

• 6.2 Insulation Construction

• 6.3 Vacuum Insulation

• 6.4 Insulation Calculation

7 Outer Protective Pipe and Anticorrosion

• 7.1 General Requirements

• 7.2 Stiffness and Stability of Steel Outer Protective Pipe

• 7.3 Anticorrosion of Casing Pipe

8 Construction and Acceptance

• 8.1 General Requirements

• 8.2 Installation of Pipes

• 8.3 Heat Preservation Pipe Patch

• 8.4 Installation of Vacuum System

• 8.5 Pressure Test，Sweeping and Trial Operation

• 8.6 Construction and Acceptance

9 Operation Management

• 9.1 General Requirements

• 9.2 Preparation of Operation

• 9.3 Warming Pipe

• 9.4 Operational Maintenance

• 9.5 Operational Stop

Appendix A Month Average Ground Temperature（depth：0.0m～3.2m）of Main City

Appendix B Calculation of Directly Buried Steam Pipe Near Temperature Field

Appendix C Calculation of Steel Pipe Radial Deflection

Explanation of Wording in This Specification

List of Quoted Standards