(37)6.4保护层设计要求附录A常用绝热材料性能(43)附录B最大允许热损失量(53)附录C各地环境温度、相对湿度和露点对照(54)D,~关系图表附录D绝热厚度计算中D,1n(66)Do附录E保冷用粘结剂、密封胶、耐磨剂、玛蹄脂和聚氨酯防水卷材性能(69)附录F保温施工费(72)本规范用词说明(73)引用标准名录(74)附:条文说明(75)2
Contents1General provisions(1)2Terms and symbols.(2 )2.1Terms(2)2.2Symbols(3)3Basic requirement(6)4Selection of thermal insulation material(7)(7)4.1Requirement of insulation material performance(10)4.2 Requirement of vapour barrier performance.4.3Requirement of protective jacket performance(10)4.4Requirement of binder, sealant and anti-abrasive(11)performance5 Calculation of thermal insulation(12)(12)5.1 Calculation of heat insulation(12)5.2Calculation of cold insulation(12)5.3 Calculation of thermal insulation thicknessCalculation of heat and cold loss:(20)5.45.5Calculation of thermal insulation layer outer surface(22)temperature5.6Calculation of interface temperature for double insulation(22)layers5.7Calculation of energy price and insulation construction(23)unitprice.5.8Calculation parameterof heat insulation(26)(28)5.9Calculation parameter of cold insulation3
6 Design of thermal insulation construction(31)(31)6.1 Components of thermal insulation construction(31)6.2Requirement of thermal insulation layer design ..(37)6.3 Requirement of vapour barrier design(37)6.4Requirement of protective jacket designAppendix A Performance of commonly used insulation(43)materialAppendix B Maximum allowance heat loss ...(53)Appendix C List of ambient temperature, relativehumidity, dew point in different areas ..... (54)InD~for insulationAppendixDRelationof D,lnD.thickness calculation .(66)Appendix E Performance of binder, sealant, anti-abrasive,mastic and polyurethane waterproof(69)membrane(72)AppendixFCosts of insulation construction...(73)Explanation of wordinginthis code(74)List of quoted standardsAddition:Explanationfor provision(75)
则1总1.0.1为了满足生产工艺及节能减排的要求,改善劳动条件,提高经济效益,保证绝热工程设计质量,制定本规范。1.0.2本规范适用于工业设备及管道外表面温度为一196℃~850℃的绝热工程的设计。本规范不适用于核能、航空、航天系统有特殊要求的设备及管道,以及建筑、冷库和埋地管道的绝热工程的设计。1.0.3绝热设计应符合下列要求:1绝热工程设计应按使用环境、被绝热设备及管道的材质和表面温度正确选择符合国家现行有关标准的材料;对于新材料,应通过国家法定的检测部门检测合格后再选用。2绝热设计应根据工艺、节能、防结露和经济性等要求进行绝热计算,并应确定绝热结构。1.0.4工业设备及管道绝热工程的设计,除应符合本规范外,尚应符合国家现行有关标准的规定
2术语和符号2.1术语2.1.1、绝热thermal insulation保温与保冷的统称。2.1.2,保温heat insulation为减少设备、管道及其附件向周围环境散热或降低表面温度,在其外表面采取的包覆措施。2.1.3保冷cold insulation为减少周围环境中的热量传入低温设备及管道内部,防止低温设备及管道外壁表面凝露,在其外表面采取的包覆措施。2.1.4绝热层thermal insulation layer对维护介质温度稳定起主要作用的绝热材料及其制品。2.1.5硬质绝热制品rigid insulation制品使用时能基本保持其原状,在2×10-"MPa荷重下,其可压缩性小于6%,制品不能弯曲。2.1.6半硬质绝热制品semi-rigid insulation制品在2×10-3MPa荷重下,可压缩性为6%~30%,弯曲90°以下尚能恢复其形状。2.1.7软质绝热制品soft insulation制品在2×10-3MPa荷重下,可压缩性为30%以上,可弯曲至90°以上而不损坏。2.1.8绝热结构thermalinsulation construction由绝热层、防潮层、保护层等组成的结构综合体。2.1.9经济厚度economicthickness绝热后年散热损失所花费的费用和绝热工程投资的年摊销费.2