分享非金属材料导热系数.doc

2011精品几种保温、耐火材料的导热系数与温度的关系材料名称材料允许最高温度 oC密度 kg/m3 导热系数与温度关系 W/(moC)超细玻璃棉毡、管40018-200.033+0.00023t矿渣棉550-6003500.0674+0.0002154t水泥蛭石制品800420-4500.103+0.0001984水泥珍珠岩制品600300-4000.065+0.000105t粉煤灰泡沫砖3005000.099+0.0002t水泥泡沫砖2504500.1+0.0002tA级硅藻土制品9005000.0395+0.00019tB级硅藻土制品9005500.0477+0.0002t膨胀珍珠岩1000550.0424+0.000137t微孔硅酸钙制品6502500.041+0.0002t耐火粘土砖1350-14501800-20400.77+0.00058t轻质耐火粘土砖1250-1300800-13000.35+0.00026t超轻质耐火粘土砖1150-1300540-6100.093+0.00016t超轻质耐火粘土砖1100270-3300.058+0.00017t硅砖17001900-19500.93+0.0007t镁砖1600-17002300-26002.1+0.00019t铬砖1600-17002600-28004.7+0.00017t管道保温结构外表面热阻要求(moC/W)管径介质温度(室内)介质温度(室外)100200300400100200300400250.3010.2580.2150.1980.1030.0950.0860.077320.2750.2320.1980.1630.0950.0860.0770.069400.2580.2150.1810.1550.0860.0770.0690.06500.1980.1630.1380.120.0690.060.0520.0431000.1550.1290.1120.0950.0520.0430.0430.0341250.1290.1120.0950.0770.0430.0340.0340.0261500.1030.0860.0770.0690.0340.0260.0260.0262000.0860.0770.0690.060.0340.0260.0260.0172500.0770.0690.060.0520.0260.0170.0170.0173000.0690.060.0520.0430.0260.0170.0170.0173500.060.0520.0430.0430.0170.0170.0170.0174000.0520.0430.0430.0340.0170.0170.0170.017保温、建筑及其它材料的导热系数材料名称温度toC密度 kg/m3 导热系数W/(moC)材料名称温度toC 密度 t/m3 导热系数W/(moC)膨胀珍珠岩散料2560-3000.021-0.062玉米梗板2225.20.065沥青膨胀珍珠岩31233-2820.069-0.076棉花201170.049磷酸盐膨胀珍珠岩制品20200-2500.044-0.052丝2057.70.036水玻璃膨胀珍珠岩制品20200-3000.056-0.065锯木屑201790.083蛭石20395-4670.10-0.13硬泡沫塑料3029.5-56.30.041-0.048膨胀蛭石20100-1300.051-0.07软泡沫塑料3041-1620.043-0.056沥青蛭石板管20350-4000.081-0.10铝箔间隔层(5层)210.042石棉粉22744-14000.099-0.19红砖(营造状态)2518600.087石棉砖213840.099红砖3515600.49石棉绳590-7300.10-0.21松木(垂直木纹)154960.15石棉绒35-2300.055-0.077松木(平行木纹)215270.35石棉板30770-10450.10-0.14水泥3019000.3碳酸镁石棉灰240-4900.077-0.086混凝土板3519300.79硅藻土石棉灰280-3800.085-0.11耐酸混凝土班3022501.5-1.6粉煤灰砖27458-5890.12-0.22黄沙301580-17000.28-0.34矿渣棉302070.058泥土200.83玻璃丝35120-4920.058-0.07瓷砖3720901.1玻璃棉毡2818.4-38.30.043玻璃25000.52-1.1软木板20105-4370.044-0.079聚苯乙烯3024.7-37.80.04-0.043木丝纤维板252450.048花岗石26431.73-3.98稻草浆板20325-3650.068-0.084大理石2499-27072.7麻杆扳25108-1470.056-0.11云母2900.58甘蔗板202820.067-0.072水垢651.31-3.14葵芯板2095.50.05冰09132.22常用气体性质名称分子式分子量密度 （ kg/Nm3）低发热值 （kcal/Nm3）备注甲 烷CH416.040.71688553乙 烷C2H630.071.35615226乙 烯C2H428.051.260514107乙 炔C2H226.041.170913388丙 烷C3H844.092.003721791丙 烯C3H842.081.91520541丁 烷C4H1058.122.70328338异丁烷C4H1058.122.66828200丁 烯C4H856.12.527111戊 烷C5H1272.143.45734890硫化氢H2S34.081.53925585氢H22.01560.09872579一氧化碳CO28.011.253018二氧化碳CO244.011.9768二氧化硫SO2