我厂生产的石墨改性聚丙烯列管式换热器，是我国近期发展起来的新型换热设备。是北京化工学院的科研成果，八0年化工部对此组织了技术鉴定。同年荣获化工部重大科技成果奖，近几年已得到广泛推广作用。　　应用证明，该设备许多性能指标，均优于其它材质制成的换热器。本设备采用石墨填充改性聚丙烯塑料制成导热管，壳体、管板、封头、法兰、接管等零件，选用优质纯聚丙烯塑料制成。主要特点如下：　　1、耐腐蚀性：聚丙烯具有优良的化学腐蚀性，对于无机化合物，不论酸、碱、盐溶液，除强氧化性物料外，几乎直到100℃都对其无破坏作用，对几乎所有溶剂在室温下均不溶解，一般烷、烃、醇、酚、醛、酮类等介质均可使用。　　2、耐温性：聚丙烯塑料融点为164-174℃，因此一般使用温度可达110-125℃。　　3、无毒性：不结垢，不污染介质，可用食品工业。　　4、重量轻：对设备安装维修及为方便。　　由于具有以上特点，所以本设备适合于化工、制药、染化、冶金、食品、化纤等行业中做各种用途的换热设备，可代替原有的不锈钢、搪瓷、石墨、碳钢、玻璃等设备，并弥补其不足，使用后效果显著，深受广大用户的欢迎。石墨改性聚丙烯性能数据纯聚丙烯性能数据比重1.1比重0.91工作温度℃-10～125工作温度℃-10～130线膨胀系数×10-5/℃5.7～12线膨胀系数×10-5/℃6～13抗冲强度Kg/cm2≥6.5抗冲强度Kg/cm2≥15抗拉强度Kg/cm2≥230抗拉强度Kg/cm2≥300焊接抗拉强度Kg/cm2≥123焊接抗拉强度Kg/cm2≥165导热系数千卡/米·小时·度26导热系数千卡/米·小时·度0.3工作压力正压Mpa≤0.25工作压力正压Mpa0.25负压Mpa-0.1负压Mpa-0.1出厂水压实验Mpa0.4出厂水压实验Mpa0.4注：此表可供其它产品也采用该两种材料时作对照。管口使用表a、介质入口或出口b、介质入口或出口c、冷却水入口d、冷却水入口e、排净口GPH系列规格对照表 型号 GPH公称换热壳体换热管管接口法兰规格安装尺寸面积公称直径公称直径管数有效长度HG5010-58Pg6立式卧式M2φmmφmmL mmabcdefHHⅡ22002027142840325040253218182098Ⅱ32502039122540325040253216151895Ⅱ4300207588840325040253213981558Ⅱ53102087100040325040253215101670Ⅰ52502045180040325040253223102470Ⅱ63002075133240325040253218422002Ⅱ64002014480440325040253213341474Ⅱ83002075177640327050253222862476Ⅱ840020144107240327050253216021772Ⅱ103002075222050407050253227302920Ⅱ1040020144134050407050253218702040Ⅱ1240020144160850407050253221382308型号GPH公称换热壳体换热管管接口法兰规格安装尺寸面积公称直径公称直径管数有效长度HG5010-58Pg6立式卧式M2φmmφmmL mmabcdefHHⅡ123002075266150407050253227333361Ⅱ1440020144187650407050253224062576Ⅱ1640020144214450407050253226742844Ⅱ1840020144241270508070254029423142Ⅱ1840020144220070508070254027002900Ⅱ2040020144235070508070254028103050Ⅱ2240020144250070508070254029603200Ⅱ2440020144270070508070254032603400Ⅱ3050020234210010050503240402900Ⅱ40500202343000100751007575523800Ⅱ5050020234350010010010010032324300Ⅱ5065020320250010010010010032323300Ⅱ6065020320300010010010010040403800Ⅱ7065020320350010010010010040404300Ⅱ8065020425300010010010010040403800Ⅱ9065020425337210010010010040404172Ⅱ9075020512280010010010010040403600Ⅱ10075020512310015015015015050503900Ⅱ15080020646370015015015015050504500Ⅱ20080020718443515015015015050505235公称换热面积壳体换热器管接口法兰规格安装尺寸公称直径公称直径管数有效长度HG5010-58Pg6立式卧式M2φmmφ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