SEPM设备和管道隔热材料及其厚度选用规定(炼油)

SEPM0202.1-2001第63页共62页设备和管道隔热材料及其厚度选用规定（炼油）设计标准SEPM0202.1-2001实施日期2001中国石化工程建设公司第1页共62页目次1总则1.1目的1.2适用范围1.3引用标准1.4替代标准2常用绝热材料的性能2.1岩棉、矿渣棉及其制品2.2玻璃棉及其制品2.3硅酸钙绝热制品2.4硅酸铝棉及其制品2.5硅酸盐复合绝热涂料26泡沫玻璃2.7硬质聚氨酯泡沫塑料2.8聚苯乙烯泡沫塑料2.9绝热材料及其制品主要性能3绝热材料的选择3.1保温层材料的选择3.2保冷层材料的选择3.3辅助材料的选择4绝热设计4.1保温设计的基本原则4.2保冷设计的基本原则4.3保温（保冷）计算附录A岩棉、矿渣棉及其制品的厚度选用附录B玻璃棉及其制品的厚度选用附录C硅酸钙绝热制品的厚度选用附录D硅酸铝棉及其制品的厚度选用附录E复合硅酸镁铝制品的厚度选用附录F泡沫玻璃的厚度选用附录G硬质聚氨酯泡沫塑料制品的厚度选用附录H聚苯乙烯泡沫塑料制品的厚度选用附录I硅酸盐复合绝热涂料的用量选用表附录J硅酸纤维绳的用量选用表附录K防烫层厚度选用表附录L设备保温厚度选用表1总则1.1目的为提高石油化工装置工程设计的设备和管道设计质量，合理选用绝热材料及其厚度，特编制本标准。1.2范围1.2.1本标准规定了设备和管道隔热材料的选择原则、隔热设计的基本原则、保温（保冷）计算及各种隔热材料的厚度选用表。1.2.2本标准适用于新建、扩建和改建的石油化工装置中基础设计及详细设计阶段的设备和管道隔热材料及其厚度的选用。1.3引用标准使用本标准时，应使用下列标准的最新版本。GBJ126《工业设备及管道绝热工程施工及验收规范》SH3010《石油化工设备和管道隔热设计规范》1.4替代标准本标准代替SEPM0055-2000《管道隔热材料及其厚度选用规定》。2常用绝热材料的性能2.1绝热材料及其制品主要性能绝热材料及其制品主要性能见表2.1。表2.1绝热材料及其制品主要性能材料名称使用密度kg/m3推荐使用温度℃导热系数参考方程λ抗压强度MPaW/(mK)超细玻璃棉制品板48≤300≤0.043λ=λ0+0.00011tm--64～120≤0.042管≥45≤0.043岩棉及矿渣棉板80≤250≤0.044λ=λ0+0.00018tm--100～120≤0.046150～160≤0.048管≤200≤0.044微孔硅酸钙170≤550≤0.055λ=λ0+0.000116tm0.40.50.5220≤0.062240≤0.064硅酸铝纤维制品120～200≤900≤0.056λ=λ0+0.0002tm复合硅酸铝镁制品板45～80≤600≤0.036λ=λ0+0.000112tm0.4管（硬质）≤300≤600≤0.041涂料≤280--≤0.08*聚氨酯泡沫塑料制品30～60-65～+80≤0.027λ=λ0+0.00009tm--≥30-65～+70≤0.0349λ=λ0+0.00014tm--泡沫玻璃150≤0.06λ=λ0+0.00022tm0.5180≤0.0640.7注：复合硅酸铝镁制品中涂料的常温导热系数（小于或等于0.08）为702.2岩棉、矿渣棉及其制品岩棉、矿渣棉是指以天然岩石、工业矿渣等为主要原料制成的。岩棉、矿渣棉可加入酚醛树脂制成或直接贴面缝合成毡、板、带、管壳、缝毡、贴面毡等各种制品。其主要性能指标见表2.2。

表2.2绝热用岩棉、矿渣棉及其制品的主要性能指标基本特性棉板毡渣球含量（颗粒直径大于0.25≤12纤维平均直径，m≤7.0密度，kg/m315061～20061～8081～100密度允许偏差，%--15--导热系数（平均温度℃），W/(mK)≤0.044≤0.044≤0.049有机物含量，%--≤4.0≤1.5燃烧性能--不燃不燃不燃热荷重收缩温度，℃≥650≥600≥400≥6002.3玻璃棉及其制品玻璃棉是用熔融状玻璃原料或玻璃制品制成的一种矿物棉，玻璃棉加入固性粘结剂可制成玻璃棉板、带、毡、管壳等各种制品。玻璃棉产品主要分为保温棉毡、保温棉板和保温棉管三类。其主要性能指标见表2.3。表2.3玻璃棉产品的主要性能指标基本特性毡板管1号2a号2b号3号2号3号--渣球含量，%≤1.0≤4.0≤0.3≤≤5.0≤8.0≤8.0≤密度，kg/m32432404845W/(mK)≤≤≤≤≤0.042≤0.047≤燃烧性能--不燃不燃4003003504003502.4硅酸钙绝热制品硅酸钙绝热材料是以氧化硅、氧化钙和增强纤维（如石棉、玻璃纤维）为主要原料而制成的一种新型材料。由于原料和反应条件不同，雪硅钙石的最高使用温度为650℃，硬硅钙型的最高使用温度为

表2.4微孔硅酸钙绝热制品的主要性能指标基本特性产品类别Ⅰ型Ⅱ型240号220号170号270号220号170号140号密度，kg/m3≤240≤220≤170≤270≤220≤170≤140质量含湿率，%≤7.5≤7.5抗压强度，MPa平均值≥0.5≥0.4≥0.5≥0.4抗折强度，MPa平均值≥0.3≥0.2≥0.3≥0.2导热系数W/(mK)平均温度100≤0.065≤0.058≤0.065≤0.058200≤0.075≤0.069≤0.075≤0.069300≤0.087≤0.081≤0.087≤0.081400≤0.1≤0.095≤0.1≤0.095500≤0.115≤0.112≤0.115≤0.112600≤0.13≤0.13≤0.13≤0.13最高使用温度匀温灼烧试验温度，℃6501000线收缩率，%≤2≤2裂缝无贯穿裂缝无2.5硅酸铝棉及其制品硅酸铝棉是以粘土、矾土、氧化铝和石英为原料而制成的，其制品主要有硅酸铝棉板、硅酸铝棉毡、硅酸铝棉毯和硅酸铝棉管。硅酸铝棉及其制品的主要性能指标见表2.5。

表2.5硅酸铝棉及其制品的主要性能指标硅酸铝棉及其制品渣球含量%密度kg/m3导热系数（500℃W/(mK)加热线收缩率%棉直接用棉≤15.0--≤0.153--干法制品用棉--湿法制品用棉≤25.0--板、毡1a、2a号≤18.096≤0.161≤4128≤0.156192≤0.1533a、4a、2b号≤15.096≤0.161128≤0.156192≤0.153毯1b～4b号≤15.064≤0.176≤496≤0.161128≤0.156192≤0.1532.6硅酸盐复合绝热涂料硅酸盐复合涂料是用硅酸盐材料复合而成，以无机硅酸盐天然矿物纤维和人造硅酸盐纤维为主要成分。用于奥氏体不锈钢材料表面的绝热，需提供氯离子含量检验报告，氯离子含量应符合GBJ126中的要求。其主要性能指标见表2.6。表2.6硅酸盐复合绝热涂料的主要性能指标序号基本特性单位技术指标优等品一等品合格品1外观质量色泽均匀一致粘稠状浆体2浆体密度kg/m3≤10003pH值9～114干密度kg/m3≤180≤220≤2805体积收缩率%≤15.0≤20.0≤30.06抗拉强度kPa≥1007粘结强度kPa≥258导热系数平均温度（350±5）℃W/(mK)≤0.1≤0.11≤0.12平均温度（70±5）℃≤0.06≤0.07≤0.089高温后抗拉强度（600℃恒温4kPa5027泡沫玻璃泡沫玻璃是以平板玻璃为主要原料，经粉碎掺碳、烧结发泡和退火冷却处理后制得。适合用于保冷，尤其是深冷。使用温度范围为-200℃～400表2.7泡沫玻璃绝热制品的主要性能指标基本特性150号180号优等品一等品合格品一等品合格品密度（最大值），kg/m3150150150180180抗压强度（最小值），MPa0.50.40.30.50.4抗折强度（最小值），MPa0.40.40.40.50.5吸水率（v/v）（最大值），%0.50.50.50.50.5透湿系数（最大值），ng/(Pasm)0.0070.0070.050.0070.05导热系数（最大值）W/(mK)平均温度350.0580.0460.0620.0500.0660.0540.0620.0500.0660.054-402.8硬质聚氨酯泡沫塑料聚氨酯硬质泡沫塑料是用聚醚或聚酯多元醇与多异氰酸酯为主要原料，再加催化剂、稳泡剂和氟里昂发泡剂等，经混合、搅拌产生化学反应而形成发泡体。硬质聚氨酯泡沫塑料的主要性能指标见表2.8。表2.8硬质聚氨酯泡沫塑料的主要性能指标基本特性类型Ⅰ类型ⅡABAB密度，kg/m3≥30压缩性能：屈服点时或形变10%时的压缩应力，kPa≥100≥150导热系数，W/(mK)≤≤≤≤尺寸稳定性（70℃，48≤5≤5≤6.5≤6.5吸水率（v/v），%≤4≤32.9聚苯乙烯泡沫塑料聚苯乙烯泡沫塑料是以聚苯乙烯发泡而成，由表皮层和中心层构成蜂窝状结构。其主要性能指标见表2.9。表2.9聚苯乙烯泡沫塑料的主要性能指标物理特性性能指标Ⅰ型Ⅱ型Ⅲ型密度，kg/m3≥15≥20≥30导热系数，W/(mK)≤0.041≤0.041≤0.041尺寸稳定性（70℃，48h≤5≤5≤5透湿系数，ng/(Pams)≤9.5≤4.5≤4.5吸水率（v/v），%≤6≤4≤23绝热材料的选择3.1保温层材料的选择3.1.1导热系数小保温材料及其制品的平均温度低于或等于3500.12W/(mK)；保冷材料的平均温度低于270.064W/(mK)。3.1.2密度小硬质保温材料及其制品密度不应大于300kg/m3；软质和半硬质保温材料及其制品的密度不应大于200kg/m3；保冷材料及其制品的密度不应大于200kg/3.1.3机械强度硬质保温制品抗压强度不应小于0.4MPa；硬质保冷制品抗压强度不应小于0.15MPa。3.1.4安全使用温度范围安全使用温度范围应符合表2.9的规定，略高于保温对象表面的设计温度。3.1.5非燃烧性石油化工企业内部所使用的保温材料应为非燃烧材料。3.1.6化学性能符合要求用于与奥氏体不锈钢表面接触的绝热材料应符合GBJ126有关氯离子含量的规定。3.1.7保温工程的设计使用年数一般以五至七年为宜。保温材料在投资偿还年限内不应失效。3.1.8价格要求单位热阻的价格低。3.1.9保温材料对现场的适应性需经常拆除保温的地方，应选用易拆卸且不易破碎的材料；有振动的设备和管道应选用防振材料；化学药品易泄漏部位，应考虑防腐蚀。3.1.10安全性考虑腐蚀和泄漏所引起的危险，选用对被保温的设备和管道无腐蚀的材料；火灾时可产生有害气体的危险，应选用不燃材料。3.1.11施工性能施工性能好的材料应具有不易破碎、加工容易、粉尘少、密度小和易维护的性能。3.2保冷层材料的选择保冷材料及其制品用于常温以下的绝热或0a)含水率（质量）不大于1%；b)非燃烧性或阻燃性，氧指数不小于30。3.3辅助材料的选择3.3.1保护层材料的选择3.3.1.1主要技术性能保护层应具有严密的防水、防潮、抗大气腐蚀、良好的化学稳定性（不腐蚀绝热层或防潮层）和不燃性。在使用条件下，应具有不软化、不脆裂且抗老化等性能。其使用寿命不得小于设计使用年限。3.3.1.2常用保护层材料的选择3.3.1.2.1软质、半软质绝热材料的保护层宜选用0.5mm镀锌或不镀锌薄钢板；硬质绝热材料的保护层宜选用0.5mm～0.83.3.1.2.2用于火灾危险性不属于甲、乙、丙类生产装置或设备和不划为爆炸危险区域的非燃性介质的公用工程设备和管道的绝热层材料，可选用0.5mm～0.83.3.2防潮层材料的选择防潮层材料的主要技术性能如下：a)具有抗蒸汽渗透性能、防潮性能、防水性能，吸水率不应大于1%；b)应具有阻燃性、自熄性；c)粘结及密封性能好，20℃时的粘结强度不低于0.15d)安全使用温度范围大，有一定的耐温性，软化温度不低于65e)化学性能稳定，挥发物不大于30%；无毒且耐腐蚀，不得对绝热层和保护层产生腐蚀或溶解作用。4绝热设计4.1保温设计的基本原则4.1.1保温设计应符合减少散热损失，节约能源，满足工艺要求，提高经济效益，改善工作环境防止烫伤等基本原则。4.1.2a)外表面温度高于50b)表面温度低于或等于50c)介质凝固点或冰点高于最低环境温度的设备和管道。4.1.3具有下列情况之一的设备或管道可不保温：a)要求散热或必须裸露的设备和管道；b)要求及时发现泄漏的设备和管道法兰；c)内部有绝热，耐磨衬里的设备和管道；d)须经常监视或测量以防止发生损坏的部位；e)工艺生产中的排气、放空等不需要保温的管道。4.1.4表面温度超过60a)高于地面或操作平台2.1m以内者；b)离开操作面0.75m以内者。4.2保冷设计的基本原则常温以下的设备或管道，应在减少冷量损失的同时，确保保冷层外表面温度高于环境的露点温度。具有下列情况之一的设备和管道必须保冷：a)需减少冷介质在生产或输送过程中的温升或气化的设备和管道；b)需减少冷介质在生产或输送过程中的冷量损失或规定允许冷损失量的设备和管道；c)需防止在环境温度下，表面凝露的设备和管道。4.3保温（保冷）计算4.3.1保温计算根据不同的目的和限制条件，采用不同的保温计算方法。为减少保温结构散热损失的保温层厚度，应按“经济厚度法”计算，其散热损失不得超过标准的规定值。只有在用“经济厚度法”计算无法满足散热损失要求或无法使用“经济厚度法”计算时，方可按允许热损失计算；防止烫伤部位的保温层厚度，应按“表面温度法”计算，保温层外表面温度不宜超过604.3.2保冷计算为减少冷量损失，采用“经济厚度法”计算保冷层厚度；为防止外表面结露，采用“表面温度法”计算保冷层厚度；工艺上允许一定量冷损失的保冷层厚度用“热平衡法”计算。校核外表面温度时，应高于露点温度1℃～3℃4.3.3厚度选用各种隔热材料及其制品的厚度选用可参照附录A至附录L。4.3.4经济厚度由于采用“经济厚度法”计算隔热层需要考虑保温结构造价，而该价格是随时变化的，设计中应该按当时的价格才可真正计算“经济厚度”，所以本标准中隔热层厚度，见附录A至附录L，是按照最大热损失方法计算的，供设计中参考选用。

附录A岩棉、矿渣棉及其制品的厚度选用A1环境温度为-35℃时，管道保温厚度见表表A1-35管道内介质温度℃-35℃管道公称直径，mm1520254050801001502002503003504004505005506007008009001000100354040455055556060656570707070707075757575150404545505560606570757580808085858585859090200454550556070707080808590909090959595100100100250455055606575758085909595100100100105105105105110110A2环境温度为-30℃时，管道保温厚度见表表A2-30管道内介质温度℃-30℃管道公称直径，mm1520254050801001502002503003504004505005506007008009001000100353540454550505560606565657070707070707075150404045505560606570707575808080808085858585200404550556065657075808585909090909095959510025045505560657070758590909595100100100100105105105110A3环境温度为-25℃时，管道保温厚度见表表A3-25管道内介质温度℃-25℃管道公称直径，mm15202540508010015020025030035040045050055060070080090010001003035404545505055556060656565656565707070701504040455055606060657075757580808080808085852004045505560656570758080858585909090909595952504550556065707075858590959595100100100100105105105

A4环境温度为-20表A4-2管道内介质温度℃-20管道公称直径，mm1520254050801001502002503003504004505005506007008009001000100303535404550505055606060606565656565656570150354045505055556065707075757575808080808080200404550556065657075758080858585909090909095250455055606570707580859090959595100100100100105105A5环境温度为-15表A5-1管道内介质温度℃-15管道公称直径，mm15202540508010015020025030035040045050055060070080090010001003035354040454550555555606060606060656565651503540405050555560656570707075757575758080802004045455555656565707580808085858585909090902504550506060707075808585909095959595100100100100A6环境温度为-10表A6-1管道内介质温度℃-10管道公称直径，mm1520254050801001502002503003504004505005506007008009001000100303035404045455050555555556060606060606060150354040455055556060656570707075757575757575200404545505560606570757580808085858585859090250455050556070707580858590909095959595100100100A7环境温度为-5℃时，管道保温厚度见表表A7-5管道内介质温度℃-5℃管道公称直径，mm152025405080100150200250300350400450500550600700800900100010030303535404545455050505555555555555560606015035354045505555556065656570707070707075757520040404550556060657075757580808080858585858525045455055607070707580858590909095959595100100A8环境温度为0℃时，管道保温厚度见表表A80管道内介质温度℃0℃管道公称直径，mm1520254050801001502002503003504004505005506007008009001000100253030354040404545505050505555555555555555150353540454550505560606565656570707070707070200404045505560606570707575758080808080858585250404550556065657075808585859090909095959595A9环境温度为5℃时，管道保温厚度见表表A95管道内介质温度℃5℃管道公称直径，mm1520254050801001502002503003504004505005506007008009001000100253030353540404045455050505050505050505555150303540454550505555606065656565656570707070200354045505060606065707075757580808080808085250404550556065657075808085858590909090959595A10环境温度为10℃表A1010管道内介质温度℃10管道公称直径，mm1520254050801001502002503003504004505005506007008009001000100252530303540404040454545454550505050505050150303535404550505055606060606565656565656565200354045505055556065707070757575757580808080250404550555565657075758080858585859090909095A11环境温度为20℃时，管道保温厚度见表A11表A1120℃管道内介质温度℃20℃时的管道保温厚度，管道公称直径，mm1520254050801001502002503003504004505005506007008009001000100202525303035353540404040404040454545454545150303035404045455050555555606060606060606060200354040455055556060656570707070757575757575250404545505560606570757580808085858585859090A12环境温度为25℃时，管道保温厚度见表A1表A1225℃管道内介质温度℃25℃时的管道保温厚度，管道公称直径，mm1520254050801001502002503003504004505005506007008009001000100202525303030303535354040404040404040404040150303035404045454550505555555555606060606060200353540455055555560656565707070707070757575250404045505560606570757580808080808585858585A13环境温度为30℃时，管道保温厚度见表A1表A1330℃管道内介质温度℃30℃时的管道保温厚度，管道公称直径，mm1520254050801001502002503003504004505005506007008009001000100202025252530303035353535353535404040404040150253030354045454550505050555555555555556060200353540454550505560606565656570707070707070250404045505560606570707575758080808085858585注：表A1至表A13中的保温材料厚度是根据SH3010-2000的规定，按照最大热损失方法进行计算的。

附录B玻璃棉及其制品的厚度选用B1环境温度为-35℃时，管道保温厚度见表表B1-35管道内介质温度℃-35℃管道公称直径，mm1520254050801001502002503003504004505005506007008009001000100303535404045455055555560606060606065656565150353540455055555560656565707070707070757575200354045505055606065707075757575808080808080250404545505560606570757580808085858585909090300404550556065657075808085859090909095959595B2环境温度为-30℃时，管道保温厚度见表表B2-30管道内介质温度℃-30℃管道公称直径，mm1520254050801001502002503003504004505005506007008009001000100303035404045455050555555556060606060606060150353540454550505560606565656570707070707070200354040505055556065707070757575757580808080250404545505560606570757580808080808585858590300404550556065657075808085858590909090909595B3环境温度为-25℃时，管道保温厚度见表表B3-25管道内介质温度℃-25℃管道公称直径，mm1520254050801001502002503003504004505005506007008009001000100303035404045454550505555555555556060606060150303540454550505560606065656565657070707070200354040455055556065657070707575757575758080250404045505560606570707575808080808085858585300404550556065657075758080858585909090909095

B4环境温度为-20表B4-2管道内介质温度℃-20管道公称直径，mm1520254050801001502002503003504004505005506007008009001000100253030354040404550505050555555555555555555150303535404550505055606060656565656565657070200354040455055556060656570707070757575757575250404045505560606570707575758080808080858585300404545555565657075758080858585858590909090B5环境温度为-15表B5-1管道内介质温度℃-15管道公称直径，mm1520254050801001502002503003504004505005506007008009001000100253030353540404545505050505050505555555555150303535404550455055556060606065656565656565200353540455055555560656565707070707075757575250354045505060606065707075757580808080808080300404545555565656570758080808585858590909090B6环境温度为-10表B6-1管道内介质温度℃-10管道公称直径，mm1520254050801001502002503003504004505005506007008009001000100253030353540404045454550505050505050505050150303535404045455055555560606060606065656565200353540454550555560606565657070707070707575250354045505055556065707075757575758080808080300404545505560606570757580808085858585859090

B7环境温度为-5℃时，管道保温厚度见表表B7-5管道内介质温度℃-5℃管道公称直径，mm1520254050801001502002503003504004505005506007008009001000100252530303540404040454545454545505050505050150303035404045455050555555556060606060606060200353540454550505560606565656570707070707070250354040505055556065707070757575757580808080300404045505560606570757580808080808585858590B8环境温度为0℃时，管道保温厚度见表表B80管道内介质温度℃0℃管道公称直径，mm1520254050801001502002503003504004505005506007008009001000100252525303535354040404545454545454545454550150303035404045454550505555555555606060606060200303540454550505555606065656565656570707070250354040455055556065657070707575757575758080300404045505560606570707575808080808085858585B9环境温度为5℃时，管道保温厚度见表表B95管道内介质温度℃5℃管道公称直径，mm1520254050801001502002503003504004505005506007008009001000100202525303035353540404040404045454545454545150303030354045454550505055555555555555556060200303535404550505055606060606565656565657070250354040455055506060656570707070757575757575300404045505560606570707075758080808080858585B10环境温度为10℃表B1010管道内介质温度℃10管道公称直径，mm1520254050801001502002503003504004505005506007008009001000100202525303035353535404040404040404040404040150253030354040404545505050505555555555555555200303535404550505055556060606065656565656565250354040455055555560656565707070707075757575300354045505560606065707075757580808080808085B11环境温度为20℃时，管道保温厚度见表B11表B1120℃管道内介质温度℃20℃时的管道保温厚度，管道公称直径，mm1520254050801001502002503003504004505005506007008009001000100202025252530303035353535404040404040404040150253030353540404045454550505050505050505050200303035404045455050555555606060606060606065250353540454550505560606565656570707070707070300354040505055556065707070757575757580808080B12环境温度为25℃时，管道保温厚度见表B1表B1225℃管道内介质温度℃25℃时的管道保温厚度，管道公称直径，mm1520254050801001502002503003504004505005506007008009001000100202020252530303030303035353535353535353535150252530303540404040454545454550505050505050200303035404045454550555555555560606060606060250303540454550505560606065656565657070707070300354040455055556065657070707575757575758080B13环境温度为30℃时，管道保温厚度见表B1表B1330℃管道内介质温度℃30℃时的管道保温厚度，管道公称直径，mm1520254050801001502002503003504004505005506007008009001000100152020252525252530303030303030303030303035150252530303535354040404545454545454545459090200303035354045454550505555555555555560606060250303535404550505555606060656565656565707070300354040455055556065657070707075757575757580注：表B1至表B13中的保温材料厚度是根据SH3010-2000的规定，按照最大热损失方法进行计算的。

附录C硅酸钙绝热制品的厚度选用C1环境温度为-35℃时，管道保温厚度见表表C1-35管道内介质温度℃-35℃管道公称直径，mm1520254050801001502002503003504004505005506007008009001000100404545555560606570757580808085858585909090150455050606070707580858590909595959510010010010020045505565657575808590959510010010510510510511011011025050556065708080859095100105105110110110115115115120120300455560707585859095100105110110115115120120120125125125350556065758085909510010511011512012012012512513013013013540060657080859595100110115120120125130130130135135140140145450607075858510010010511512012513013513514014014514515015015050065707585901051051101201251301351401451451501501551551601605507075809095110110115125130140145145150155155160160165165170C2环境温度为-30℃时，管道保温厚度见表表C2-30管道内介质温度℃-30℃管道公称直径，mm152025405080100150200250300350400450500550600700800900100010040404550556060657070757580808080808585858515045455055607070708080859090909095959510010010020045505560657575808590909595100100100105105105110110250505560657080808590951001001051051101101101151151151203005055607075858590951001051101101151151151201201201251253505560657580858590100105110115115120120125125125130130130400606570758090951001051151151201251251301301351351401401404505560658085959510511512012513013013513514014014514515015050065707585901001001101201251301351401401451451501501551551605507075809095105105115125130135140145150150155155160165165170C3环境温度为-25℃时，管道保温厚度见表表C3-25管道内介质温度℃-25管道公称直径，mm1520254050801001502002503003504004505005506007008009001000100354045505060606065707075757580808080808085150404550556065657075808585859090909095959595200455055606570707585859095959510010010010510510510525040505565707575809095951001051051051101101101151151153005055607075808085951001051051101101151151151201201201253505560657075858590100105110110115120120120120125125130130400606570758090901001051101151201251251301301301351351401404506065708085959510511012012512513013513514014014514515015050065707585901001001101201251301351401401451451501501551551605506575809095105105115125130135140145150150155155160160165165C4环境温度为-20表C4-20管道内介质温度℃-20管道公称直径，mm15202540508010015020025030035040045050055060070080090010001003540405050555560656570707575757575808080801504045505560656570758080858585859090909095952004550556065707075808590909595951001001001001051052505055556570757580909095100100105105105105110110110115300505560707080808595100100105110110110115115115120120120350556065707585859010010511011011511512012012012512512513040055656575809090951051101151201201251251301301351351351404506065708085959510011012012012513013013513514014014514515050065707585901001001101151251301351351401401451451501501551555506575809095105105110120130135140145145150150155160160165165C5环境温度为-15表C5-15管道内介质温度℃-15管道公称直径，mm152025405080100150200250300350400450500550600700800900100010035404045505555606065657070707075757575757515040454555556565707075808080858585859090909020045505060607070758085859090959595951001001001002504550556565757580859095951001001051051051051101101103005055606570808085909510010510511011011011511511512012035055606070758585909510010511011011511512012012012512512540055606575809090951051101151201201251251251301301351351354506065708085959510011011012012513013013513513514014514514550065707585901001001051151201301301351401401451451501501551555506570759095105105110120130135140140145150150155155160160165C6环境温度为-10表C6-10管道内介质温度℃-10管道公称直径，mm15202540508010015020025030035040045050055060070080090010001003535404545505055606065656570707070707070751504045455055606065707575808080858585858590902004545506060707070808085909090909595951001001002504550556065757580859095951001001001001051051051101103005055606570808085909510010010510511011011011511511511535055606070758585909510010511011011511511512012012012512540055606575809090951001101151151201201251251251301301351354506065708085959510011011512012512513013013513514014014514550065707585901001001051151201251301351351401401451451501501555506570758590105105110120130135140140145145150150155160160160C7环境温度为-5℃时，管道保温厚度见表C表C7-5管道内介质温度℃-5管道公称直径，mm1520254050801001502002503003504004505005506007008009001000100303540454550505555606065656565656570707070150404045505560606570707575808080808085858585200404550556065657075808585909090909095959595250455055606575757585909095951001001001001051051051053005055606570808080909510010010510510511011011011511511535050556070758080909510010510511011011511511512012012012540055606575809090951001051101151201201201251251301301301354506065708085959510011011512012512513013013513514014014014550060707580851001001051151201251301351351401401401451501501505506570758590105105110120125130135140145145150150155155160160C8环境温度为0℃时，管道保温厚度见表C表C80管道内介质温度℃0℃管道公称直径，mm152025405080100150200250300350400450500550600700800900100010030353540455050505555606060606565656565656515035404550506060606570707575758080808080808520040455055606565707580808585859090909095959525045505560657070758085909095951001001001001051051053005055556570757580909595100100105105105110110110115115350505560707080808595100105105110110110115115120120120120400556065757585859010010511011511512012012512512513013013045060657080809090100105115120120125125130130135135140140140500606570808595951051101201251301301351351401401451451501505506570758590100100110120125130135140140145145150155155160160C9环境温度为5℃时，管道保温厚度见表C表C95管道内介质温度℃5℃管道公称直径，mm1520254050801001502002503003504004505005506007008009001000100303035404045455050555555606060606060606065150354040505055556065707070757575757580808080200404550555565657075758080858585859090909095250455050606570707580859090959595951001001001001053005050556565757580909095100100100105105105110110110110350505560707080808590100100105105110110110115115120120120400556065707585859010010511011511512012012012512513013013045060657075809090100105110115120125125130130130135135140140500606570808595951051101151251251301351351401401451451501505506570758590100100110120125130135140140145145150150155155160C10环境温度为10℃表C1010管道内介质温度℃10管道公称直径，mm152025405080100150200250300350400450500550600700800900100010030303535404545505050555555555555606060606015035404045505555606065707070707575757575758020040454555556565657075808080858585859090909025045505060607070758085859090909595951001001001003004550556565757580859095951001001001051051051101101103505055606570808085909510010510511011011011011511512012040055606570758585901001051101101151151201201201251251301304505565657580909095105110115120120125125130130135135135140500606570808595951001101151201251301301351351401401451451505506570758590100100110115125130135135140145145145150155155155C11环境温度为20℃时，管道保温厚度见表C11表C1120℃管道内介质温度℃20℃时的管道保温厚度，管道公称直径，mm15202540508010015020025030035040045050055060070080090010001002530303535404040454545505050505050505050551503535404545505055606065656565707070707070702004040455055606065707075758080808080858585852504045505560656570758085859090909090959595953004550556065707075859090959595100100100105105105105350505555657075758090951001001051051051101101101151151154005560607075858590951001051101101151151151201201251251254505560657580909095105110115115120120125125130130135135135500606570808595951001101151201251251301301351351401401451455506570758590100100105115120125130135140140140145150150150155C12环境温度为25℃时，管道保温厚度见表C1表C1225℃管道内介质温度℃25℃时的管道保温厚度，管道公称直径，mm152025405080100150200250300350400450500550600700800900100010025253030353535404045454545454550505050505015030353540455050555560606065656565656570707020035404550506060606570707575758080808080808525040455055606565707580808585859090909095959530045505560657070758085909095959510010010010510510535050555565707575809095951001001051051051101101101101154005055607075808090951001051101101101151151151201201251254505560657580909095100110110115120120125125125130130135135500606570808595951001101151201251251301301351351401401401455506070758590100100105115120125130135135140140145145150150155C13环境温度为30℃时，管道保温厚度见表C1表C1330℃管道内介质温度℃30℃时的管道保温厚度，管道公称直径，mm15202540508010015020025030035040045050055060070080090010001002025253030353535404040404545454545454545451503035354045505050555560606060656565656565652003540455050555560657070707575757575808080802504045505555656570757580808585859090909090953004550506065707075808590909095959510010010010010535050505565657575808590951001001001051051051101101101104005055607075808085951001051051101101151151151201201201254505560657580909095100105110115120120120125125130130130135500606570808090901001101151201201251301301301351351401401405506070708085100100105115120125130135135140140140145150150150注：表C1至表C13中的保温材料厚度是根据SH3010-2000的规定，按照最大热损失方法进行计算的。

附录D硅酸铝棉其制品的厚度选用D1环境温度为-35℃时，管道保温厚度见表表D1-35管道内介质温度℃-35℃管道公称直径，mm15202540508010015020025030035040045050055060070080090010001004040455055606065707075758080808085858585851504550506060707075808585909095959595100100100100200505555657075708085909510010010510510510511011011011525050556070758080859510010511011011011511511512012012512530055606575809090951001101101151201201251251251301301351353506065708085959510011011512012512513013013513514014014514540065707585901001001101151251301351351401451451451501551551554507075809095110110115125135140145150150155155160160165170170500758085951001151151201351401501551551601651651701751751801805507585901001101201201301401501551601651701751751801851901901956008090951051151251251351501601651701751801851901901952002002057009095105115125140140150165175180190195200205205210215220225230D2环境温度为-30℃时，管道保温厚度见表表D2-30管道内介质温度℃-30管道公称直径，mm15202540508010015020025030035040045050055060070080090010001003540455050605560657070757580808080808085851504545505560656570758085859090909595959510010020045505565657575808590959510010010010510510511011011025050556070708080859510010510511011011011511512012012012030055606575808585951001051101151151201201251251301301301353506065708085909010011011512012012513013013013513514014014540065707585901001001051151251301301351401401451451501501551554507075809095105105115125130140140145150150155155160165165170500708085951001151151201301401451501551601651651701701751801805507585901001051201201301401501551601651701751751801851851901906008090951051151251251351501551651701751801851851901952002002057009095105115125140140150165175180190195200200205210215220225225D3环境温度为-25表D3-25管道内介质温度℃-25℃管道公称直径，mm152025405080100150200250300350400450500550600700800900100010035404050505555606570707075757575758080808015040455055606565707580808585909090909595959520045505560657575808590909595100100100105105105105110250505560657080808590951001051051101101101151151151201203005560657075858590100105110115115120120120125125130130130350606570758090909510511511512012512513013013013514014014040065707585901001001051151201251301351401401401451451501501554506575809095105105115125130135140145150150155155160160170170500708085951001101101201301401451501551601601651651701751751805507580901001101201201251401501551601651701701751751801851901906008085951051101251251351451551651701751801801851851901952002007009095100115125140140150160170180185190195200205210215220220225D4环境温度为-20表D4-2管道内介质温度℃-20管道公称直径，mm15202540508010015020025030035040045050055060070080090010001003540404550555560606565707070707575757575751504045505560656570757580808585859090909090952004550556065707075858590959595100100100100105105105250505560657080808590951001051051051101101101151151151203005560657075858590100105110110115115120120120125125130130350606565758090909510511011512012012512513013013513514014040060707585851001001051151201251301351351401401401451501501504506575809095105105110120130135140145145150150155160160165165500708085951001101101201301401451501551551601601651701701751755507580901001051201201251401451551601651651701751751801851851906008085901051101251251351451551601701751751801851851901952002007009095100115120135135145160170180185190195200205205210215220225D5环境温度为-15表D5-1管道内介质温度℃-15管道公称直径，mm152025405080100150200250300350400450500550600700800900100010035354045455050556065656570707070707075757515040454555556565657075808080858585859090909020045505060657070758085909095959595100100100105105250505560657075758090951001001051051051101101101151151153005560607075858590951001051101101151151201201201251251253505560657580909095105110115120120125125125130130135135140400606570808595951051151201251301301351351401401451451501504506570759095105105110120130135140140145150150155155160160165500707580951001101101201301351451501501551601601651651701751755507580851001051151151251351451501551601651701701751801801851906008085901051101251251351451551601651701751801801851901951952007008595100115120135135145160170180185190195200200205210215220220D6环境温度为-10表D6-1管道内介质温度℃-10管道公称直径，mm15202540508010015020025030035040