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1、弯头保温材料外弧段的纵向连接复合硅酸盐纤维板和复合硅酸盐膏保温材料在相同工艺条件下，其使用厚度为硬质成型微孔硅酸钙保温材料的五分之三，在主蒸汽管道主保温层上，用细铁丝捆扎一层复合硅酸盐纤维板，厚度为 25mm，将它错缝粘贴，并用复合硅酸盐膏保温材料涂抹保温层的缝隙，保证其保温的密封性能。在第 4 层复合硅酸盐纤维板外用细铁丝网整体捆扎、勒紧，防止保温层滑动、错位。外使用复合硅酸盐膏保温材料进行厚度为 10mm 的密封涂抹，形成厚度为35mm 的加强保温层。Composite silicate fiberboard and composite silicate compound heat pre
2、servation material in the same process conditions, the thickness of its use for hard three 5 of forming microporous calcium silicate insulation material, on the main steam pipe main insulation layer, with fine wire banding layer compound silicate fiberboard, thickness is 25 mm, will it be done paste
3、, and composite silicate paste insulation materials insulation daub of aperture, assure its insulation sealing performance. In the fourth layer composite silicate fiberboard topical fine wire overall strapping, tighten, prevent the thermal insulation layer sliding and dislocation. Outside using http
4、:/ http:/ http:/ http:/composite silicate compound heat preservation material thickness is 10 mm sealing daub, formation thickness for the strengthening of 35 mm. 在设备或管道外表面采取保温措施后，其保温层外表面温度必须小于 50的规定，外表面温度已经超标。保温材料性能对比成型微孔硅酸钙产品具有质地较硬、抗热震性、可塑性差，容易碎裂粉化、容重较高、材料规格种类多、材料管理工作量大等缺点。复合硅酸盐纤维板和复合硅酸盐膏产品具有质地柔软、
5、密度低、导热系数小、优良的热稳定性及抗热震性、优良的抗拉强度、无腐蚀无污染、施工简便可塑性强、使用寿命长，受热膨胀小，外包铁皮不会有拉裂、凹凸等优点，其保温效果特别好。After the equipment or pipe outer surface heat preservation measures, the insulation must be smaller than the outer surface temperature of 50 , outside surface temperature has been overweight. Heat preservation mater
6、ial performance comparison forming microporous calcium silicate products with a hard, poor thermal shock resistance and plasticity, shatter easily pulverization, high bulk density, material specifications, variety, materials management workload big shortcoming. Composite silicate fiberboard and comp
7、osite silicate paste products with a soft, low density, low coefficient of thermal conductivity, excellent thermal stability and thermal shock resistance, good tensile strength, no corrosion, no pollution, easy construction of plasticity, long service life, small thermal expansion, outsourcing tin t
8、here would be no cracking, and the advantages of concave and convex, the heat preservation effect is very good. 保温材料的选择通过以上对比，主蒸汽管道的保温材料采用复合硅酸盐纤维板和复合硅酸盐膏保温材料。可使管道外保护层用量相应减少 18，散热损失相应减少20。无论是一次性投资，还是每年的散热损失费用等方面，均以使用复合硅酸盐纤维板和复合硅酸盐膏保温材料为最经济，且具有良好的综合经济效益。Selection of insulation materials through the ab
9、ove comparison, the main steam pipe of heat preservation material with composite silicate fiberboard and composite silicate paste thermal insulation material. Can make the pipe outside protective layer corresponding to reduce 18%, corresponding to reduce heat loss by 20%. Whether one-time investment
10、, or http:/ http:/ http:/ http:/a year of heat loss, etc., are to use composite silicate fiberboard and composite silicate paste heat preservation material is the most economical, and has good comprehensive economic benefits. 使用复合硅酸盐膏保温材料直接在管道、阀门表面进行涂抹，形成厚度为 20mm 的基础保温层。在主蒸汽管道基础保温层上用细铁丝捆扎 3 层复合硅酸盐纤维
11、板，每层厚度为 25mm，将它错缝粘贴，并用泰山奇石复合硅酸盐膏保温材料涂抹保温层的缝隙，保证其保温的密封性能。在第 1、2、3 层复合硅酸盐纤维板外用细铁丝网整体捆扎、勒紧，防止保温层滑动、错位。外使用复合硅酸盐膏保温材料进行厚度为 20mm 的密封涂抹，形成厚度为 95mm 的主保温层。 拆除从锅炉主蒸汽出口集箱至汽轮机高压缸范围内管道上的原保温结构，清除干净管道表面的灰尘和铁锈。Using composite silicate compound heat preservation material directly on the surface of pipes, valves, for
12、m the basis of a thickness of 20 mm insulation layer. In main steam pipeline based on the thermal insulation layer with fine wire strapping three layer composite silicate fiberboard, each layer thickness is 25 mm, will it be done paste, composite silicate paste insulation materials insulation daub a
13、nd aperture, assure its insulation sealing performance. In 1, 2, 3 layer composite silicate fiberboard topical fine wire overall strapping and tighten, prevent the thermal insulation layer sliding and dislocation. Composite silicate paste is used outside heat preservation is 20 mm material thickness
14、 of sealing daub, form the main insulation layer thickness is 95 mm. Removed from the outlet of the boiler main steam header to the steam turbine high pressure cylinder piping within the scope of the original heat preservation structure, clean up dirt and rust on the surface of the pipe. 主蒸汽管道保温层构成为
15、基础保温层（20mm）、主保温层（95mm）和加强保温层（35mm）， 总厚度为 150mm。最外层金属保护层的材料用 0.8mm 铝皮封包， 相邻搭接不小于 40mm，并在适当的位置留出自由膨胀余量。安装时，应紧贴保温层，环向接缝、经编土工格栅纵向接缝和水平接缝必须上搭下，成顺水方向。弯头铝皮的外弧段另外增加一条宽度为 50mm 的铝皮纵向连接，使弯头铝皮的环向、纵向都能连接成牢固的整体，不会产生脱节现象。施工后的保温层，不得覆盖设备的铭牌、仪表等。设备的http:/ http:/ http:/ http:/名称、介质流向标识、色标及时按原样恢复。Main steam pipeline in
16、sulation structure based on the thermal insulation layer (20 mm), the main insulation layer (95 mm), and strengthen the insulation layer (35 mm), the total thickness of 150 mm. The outer protective layer of metal material with 0.8 mm aluminum skin packet, adjacent lap should not less than 40 mm, and
