<p style="margin-left:0cm; margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Tahoma,sans-serif"><span style="font-family:"微软雅黑","sans-serif"">聚氨酯直埋保温管具有传统地沟和架空敷设管道难以比拟的工艺</span>,<span style="font-family:"微软雅黑","sans-serif"">实用性能</span>,<span style="font-family:"微软雅黑","sans-serif"">而且还具有显著的经济效益</span>,<span style="font-family:"微软雅黑","sans-serif"">也是供热的有力措施。高温预制直埋保温管由于聚氨酯硬质泡沫保温层紧密地粘结在钢管外皮</span>,<span style="font-family:"微软雅黑","sans-serif"">隔断了空气和水的渗入</span>,<span style="font-family:"微软雅黑","sans-serif"">能起到良好的耐腐作用。同时它的发泡孔都是闭合的</span>,<span style="font-family:"微软雅黑","sans-serif"">吸水性很小。聚氨酯保温管高密度外壳</span>,<span style="font-family:"微软雅黑","sans-serif"">聚氨酯保温管玻璃钢外壳均具有良好的耐腐</span>,<span style="font-family:"微软雅黑","sans-serif"">隔缘和机械性能。</span></span></span></p> <p style="margin-left:0cm; margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Tahoma,sans-serif"><span style="font-family:"微软雅黑","sans-serif"">聚氨酯直埋保温管组成:</span></span></span></p> <p style="margin-left:0cm; margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Tahoma,sans-serif"><span style="font-family:"微软雅黑","sans-serif"">（</span>1<span style="font-family:"微软雅黑","sans-serif"">）工作钢管:根据输送介质的要求分别</span>…<span style="font-family:"微软雅黑","sans-serif"">采用有缝钢管</span>,<span style="font-family:"微软雅黑","sans-serif"">无缝钢管</span>,<span style="font-family:"微软雅黑","sans-serif"">双面埋弧螺旋焊接钢管。</span></span></span></p> <p style="margin-left:0cm; margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Tahoma,sans-serif"><span style="font-family:"微软雅黑","sans-serif"">（</span>2<span style="font-family:"微软雅黑","sans-serif"">）保温层:采用硬质聚氨酯泡沫塑料。</span></span></span></p> <p style="margin-left:0cm; margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Tahoma,sans-serif"><span style="font-family:"微软雅黑","sans-serif"">（</span>3<span style="font-family:"微软雅黑","sans-serif"">）保护壳:采用高密度聚乙烯或玻璃钢。</span></span></span></p> <p style="margin-left:0cm; margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Tahoma,sans-serif"><span style="font-family:"微软雅黑","sans-serif"">（</span>4<span style="font-family:"微软雅黑","sans-serif"">）渗漏信号线:制造高温预制直埋保温管时</span>,<span style="font-family:"微软雅黑","sans-serif"">在靠近钢管的保温层中</span>,<span style="font-family:"微软雅黑","sans-serif"">埋设有信号线</span>,<span style="font-family:"微软雅黑","sans-serif"">一旦管道某处发生渗漏</span>,<span style="font-family:"微软雅黑","sans-serif"">通过信号线的传导</span>,<span style="font-family:"微软雅黑","sans-serif"">便可在检测仪表上报警并显示出漏水的位置和渗漏程度的大小</span>,<span style="font-family:"微软雅黑","sans-serif"">以便通知检修人员处理漏水的管段</span>,<span style="font-family:"微软雅黑","sans-serif"">热网安全运行。</span></span></span></p> <p><span style="font-size:11.0pt"><span style="font-family:"微软雅黑","sans-serif"">聚氨酯直埋保温管产品参数规格:</span></span><br /> <span style="font-size:11.0pt"><span style="font-family:"微软雅黑","sans-serif"">编辑外径</span></span><span style="font-size:11.0pt"><span style="font-family:"Tahoma","sans-serif"">mm 285</span></span><br /> <span style="font-size:11.0pt"><span style="font-family:"微软雅黑","sans-serif"">壁厚</span></span><span style="font-size:11.0pt"><span style="font-family:"Tahoma","sans-serif"">mm 4.4</span></span><br /> <span style="font-size:11.0pt"><span style="font-family:"微软雅黑","sans-serif"">重量</span></span><span style="font-size:11.0pt"><span style="font-family:"Tahoma","sans-serif"">Kg 3.724</span></span><br /> <span style="font-size:11.0pt"><span style="font-family:"微软雅黑","sans-serif"">允许偏差</span></span><span style="font-size:11.0pt"><span style="font-family:"Tahoma","sans-serif"">mm ±0.32</span></span><br /> <span style="font-size:11.0pt"><span style="font-family:"微软雅黑","sans-serif"">对应钢管外径</span></span><span style="font-size:11.0pt"><span style="font-family:"Tahoma","sans-serif"">mm 219 </span></span><span style="font-size:11.0pt"><span style="font-family:"微软雅黑","sans-serif"">等</span></span><br /> <span style="font-size:11.0pt"><span style="font-family:"微软雅黑","sans-serif"">对应保温层厚度</span></span><span style="font-size:11.0pt"><span style="font-family:"Tahoma","sans-serif"">mm 30</span></span><br /> <span style="font-size:11.0pt"><span style="font-family:"微软雅黑","sans-serif"">对应套袖</span></span><span style="font-size:11.0pt"><span style="font-family:"Tahoma","sans-serif"">mm 290</span></span><br /> <span style="font-size:11.0pt"><span style="font-family:"微软雅黑","sans-serif"">产品特点:</span></span><br /> <span style="font-size:11.0pt"><span style="font-family:"Tahoma","sans-serif"">1 </span></span><span style="font-size:11.0pt"><span style="font-family:"微软雅黑","sans-serif"">、降低工程造价。</span></span><br /> <span style="font-size:11.0pt"><span style="font-family:"Tahoma","sans-serif"">2 </span></span><span style="font-size:11.0pt"><span style="font-family:"微软雅黑","sans-serif"">、热损耗低，节约能源。</span></span><br /> <span style="font-size:11.0pt"><span style="font-family:"Tahoma","sans-serif"">3</span></span><span style="font-size:11.0pt"><span style="font-family:"微软雅黑","sans-serif"">、耐腐，性能好，使用寿命长。</span></span><br /> <span style="font-size:11.0pt"><span style="font-family:"Tahoma","sans-serif"">4</span></span><span style="font-size:11.0pt"><span style="font-family:"微软雅黑","sans-serif"">、占地少，施工快，有利环境保护。</span></span><br /> <span style="font-size:11.0pt"><span style="font-family:"Tahoma","sans-serif"">5 </span></span><span style="font-size:11.0pt"><span style="font-family:"微软雅黑","sans-serif"">、安全。</span></span><br /> <span style="font-size:11.0pt"><span style="font-family:"Tahoma","sans-serif"">6 </span></span><span style="font-size:11.0pt"><span style="font-family:"微软雅黑","sans-serif"">、安全高密度聚乙烯外护管聚氨酯泡沫塑料预制直埋保温管</span></span> <span style="font-size:11.0pt"><span style="font-family:"微软雅黑","sans-serif"">以其优良的性能，方便的施工及使用年限长</span></span><span style="font-size:11.0pt"><span style="font-family:"Tahoma","sans-serif"">(30</span></span><span style="font-size:11.0pt"><span style="font-family:"微软雅黑","sans-serif"">年</span></span><span style="font-size:11.0pt"><span style="font-family:"Tahoma","sans-serif"">-50</span></span><span style="font-size:11.0pt"><span style="font-family:"微软雅黑","sans-serif"">年）而受人们欢迎，其结构为</span></span><span style="font-size:11.0pt"><span style="font-family:"Tahoma","sans-serif"">:</span></span><span style="font-size:11.0pt"><span style="font-family:"微软雅黑","sans-serif"">外保护层、保温层、不渗漏层三部分，外保护层材料为聚乙烯夹克管或玻璃钢或其它材料。敷设方式有直埋、架空、地沟三种方式。</span></span></p>