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CJ-T140-2001供热管道保温结构散热损失测试与保温效果评定方法
〔J
中华人 民共和国城镇建设行业标准
CJ/T140-2001
供热管道保温结构散热损失测试
与保温效果评定方法
Methodsmeasuringandevaluating
heatlossandthermalinsulation ciency
forthermalinsulationconstructionofheatingpipeline
2001一07门8发布 2001一12一01实施
中华人民共和国建设部 发 布
CJ/T 140-2001
目 次
前言 ·······，·········································································································…… m
1 范围 ·······················································································。···········。······一· 1
2 引用标准 ·····················，·················································································…… 1
3 术语 ··············································································································…… 1
4 测试分级和要求 ·····················································。········································。·… 1
5 测试方法 ·······························································。·······。···················。··········…… 2
6主要测试仪器、仪表及准确度要求·······.，···································…·…二‘二‘’二二‘二‘’二二‘二‘二‘’二6
7 测试工作程序 ····················································6
8 数据处理 ·······························。·······································································…… 7
9 测试 误差 ·9
10 测试报告 ·····································································································…… 9
附录A(标准的附录) 供热管道保温后的允许最大散热损失值表 ··································…… 10
附录B(标准的附录) 热流传感器表面热发射率与被测表面发射率不一致时的修正系数(I)表 ··… 10
附录C(提示的附录) 外护壳材料表面热发射率(的表 ··················································…… 11
附录D(标准的附录) 供热管道保温结构外表面总放热系数的计算 .·12
附录E(提示的附录) 供热管道沿线情况及气象资料调查表 ··········································…… 14
附录F(提示
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