日产2KmPVC塑料管挤出生产线初步设计方案

武汉工业学院毕业设计论文题目：日产2KmPVC塑料管挤出生产线初步设计方案姓名：学号：院系：专业：指导教师：2012年06月02日日产2KmPVC塑料管挤出生产线初步设计方案()摘要：本设计采用悬浮法生产的聚氯乙烯开展日产2Km聚氯乙烯塑料管挤出生产线初步方案设计，介绍了塑料管挤出生产线的设计原理，工艺过程中需要注意的问题，包括质量影响因素、工艺条件及合成工艺中的各种助剂选择，对塑料管挤出生产线的工艺过程进行详细的叙述。从物料衡算和设备计算和选型三个方面进行了工艺计算，对车间进行布局设计，画出了整个工艺的流程图、厂房平面布局图。关键词：PVC管；生产线；工艺计算ThePreliminaryDesignofPVCPlasticPipeExtrusionLineof2KmDailyProduction()Abstract：Inthisdesign,theproductionlineofPVCpipefromsuspensionmethodmaterial,waspreliminarylydesignedasdailyproductionof2kmPVCpipe.Introductionofthedesignmechanismoftheplasticpipeextrusionproductionline,problemsthatneedattentionintheprocess,includingfactorsaffectingthequality,thevariousadditivesintheprocessconditionsandsynthesistechnologyselectionwerepresented.Andcalculationfromthematerialbalance,equipmentselectionofthreeaspectsoftheaccuratecalculationoftheprocesswereconductedwithdrawingofflowchartofthewholeprocessandplantlayoutdiagram.Keyword：PVCplasticpipe；Productionline；Processcalculation目录1概述··················································································11.1目的与意义·····································································11.2硬质聚氯乙烯管材的优点及其发展史····································11.3国家产业政策要求发展PVC塑料管材···································22国内外主要工艺路线的比较和选择···········································23助剂作用及主要助剂简介·······················································33.1稳定剂···········································································33.2填充剂···········································································33.3润滑剂···········································································43.4加工助剂········································································43.5抗冲改性剂·····································································44PVC-U管成型用原料和配方··················································44.1PVC-U管材主要原料PVC树脂选择····································44.2PVC-U管材生产配方·······················································55PVC-U管材生产工艺流程概述···············································55.1生产工艺········································································55.2工艺流程框图··································································66产品质量指标······································································67主要设备的工艺计算·····························································77.1生产线产能计算·······························································77.2原始数据········································································77.3物料平衡········································································78主要设备选型及台数计算·······················································98.1原料的配混······································································98.1.1混合机结构及工作方法·················································98.1.2混合机选型································································98.2上料············································································108.2.1弹簧上料结构···························································108.2.2上料机的选型·····························································118.3螺杆挤出机····································································118.3.1螺杆挤出机结构························································128.3.2螺杆挤出机选型························································128.4塑料管成型模具·····························································138.5冷却定径套···································································148.6牵引············································································158.7切割············································································169废料处理··········································································1610生产中的现象及解决方法····················································1711原料消耗及电力估算··························································1811.1原料消耗·····································································1811.2电力估算·····································································1912生产车间布置与总体设计····················································1912.1车间布置·····································································1912.2物料的贮存与运输·························································1913劳动定员与生产线的技术指标··············································2013.1劳动定员·····································································2013.2生产线技术指标····························································2114安全与环保······································································21谢辞···················································································23参考文献·············································································2411概述1.1目的与意义PVC塑料管是以聚氯乙烯树脂为主要原料，混入各种助剂、填充物等辅助材料，经混合、挤出，生产出管材，或经注塑生产管件。由于它具有质轻、耐腐蚀、外形美观、无不良气味、加工容易、施工方便等特点，在建筑工程中获得了越来越广泛的应用。主要用作房屋建筑的自来水供水系统配管、排水、排气和排污卫生管、地下排水管系统、雨水管以及电线安装配套用的穿线管等。据大量水质监测数据表明：采用冷镀锌钢管后，一般使用寿命不到5年就锈蚀，铁腥味严重。居民纷纷向政府部门投诉，造成一种社会问题。塑料管材与传统金属管道相比，具有自重轻、耐腐蚀、耐压强度高、卫生安全、水流阻力小、节约能源、节省金属、改善生活环境、使用寿命长、安装方便等特点，受到了管道工程界的青睐并占据了相