前　　言

1　总　　则

2　术　　语

3　伴热、绝热方式

• 3.1　伴　　热

• 3.2　绝　　热

• 3.3　伴热绝热设计温度

• 3.4　热水、蒸汽的重伴热和轻伴热

4　绝热设计

• 4.1　仪表测量管线的绝热结构

• 4.2　测量管线的绝热层、防潮层及保护层材料选用

• 4.3　绝热层厚度计算

5　伴热系统的计算

• 5.1　热水用量的计算

• 5.2　蒸汽用量的计算

• 5.3　电伴热的功率计算

6　伴热系统的设计

• 6.1　一般要求

• 6.2　热水伴热系统

• 6.3　蒸汽伴热系统

• 6.4　电伴热系统

7　伴热系统的安装

• 7.1　热水伴热管线的安装

• 7.2　蒸汽伴热管线的安装

• 7.3　疏水器的安装

• 7.4　电伴热带的安装

8　仪表保温箱

• 8.1　保温箱设置原则及组成

• 8.2　保温箱体分类

• 8.3　保温箱的保温伴热方式

• 8.4　保温箱规格

附录A　常用绝热材料性能

附录B　常用保护层材料主要性能

附录C　绝热层材料用量计算公式

附录D　保护层材料用量计算公式

附录E　测量管线绝热层厚度计算公式

附录F　保温箱保温绝热层厚度δb计算公式

附录G　测量管线允许热量损失

附录H　保冷绝热层厚度计算

附录J　热水用量计算公式

附录K　保温蒸汽用量计算公式

附录L　电伴热的功率计算公式

附录M　常用绝热材料导热系数修正值

附录N　仪表测量管线单位长度散热量

附录P　伴热总管及支管的管径计算

附录Q　疏水器口径计算

本规范用词说明

引用标准名录

1　General provisions

2　Terms

3　Type of tracing and insulation

• 3.1　Tracing

• 3.2　Insulation

• 3.3　Design temperature for tracing and insulation

• 3.4　Heavy tracing and light tracing for hot water and steam water

4　Insulation design

• 4.1　Insulation structure of instrument impulse line

• 4.2　Material selection for insulation layer，moisture proof layer ＆ protection layer of instrument pipe line

• 4.3　Thickness calculation of insulation layer

5　Calculation of tracing system

• 5.1　Calculation of hot water consumption

• 5.2　Calculation of steam water consumption

• 5.3　Calculation of electrical consumption

6　Design for tracing system

• 6.1　General requirements

• 6.2　Hot water tracing system

• 6.3　Steam tracing system

• 6.4　Electrical heat-tracing system

7　Installation of tracing system

• 7.1　Installation of hot water tracing pipe line

• 7.2　Installation of steam tracing pipe line

• 7.3　Installation of steam trap

• 7.4　Installation of electrical heat-tracing

8　Instrument heat insulation box

• 8.1　Selection and composition of instrument heat insulation box

• 8.2　Type of instrument heat insulation box

• 8.3　Tracing and insulation type of instrument heat insulation box

• 8.4　Specification of instrument heat insulation box

Appendix A　Common insulation material properties

Appendix B　Common protection layer material properties

Appendix C　Calculation formula for insulation layer material quantity

Appendix D　Calculation formula for protection layer material quantity

Appendix E　Calculation formula for insulation layer thickness of pipe line

Appendix F　Calculation formula for insulation layer thickness of heat insulation box

Appendix G　Allowable heat loss of pipe line

Appendix H　Thickness calculation of cold protection insulation layer

Appendix J　Calculation formula of hot water consumption

Appendix K　Calculation formula of steam consumption

Appendix L　Calculation formula of electrical consumption

Appendix M　Common correction value of heat conductivity for insulation material

Appendix N　Heat dissipating of unit length for instrument pipe line

Appendix P　Diameter calculation for tracing main pipe and branch pipe

Appendix Q　Size calculation of steam trap

Explanation of wording in this standard

Normative standards