课程设计换热器能源化学工程1402 贾琦(终稿).docx

成绩银川能源学院化工原理课程设计题目：处理量23950.08吨/年乙苯冷却列管式换热器的设计学生姓名贾琦学号1410140042指导教师刘荣杰院系 石油化工学院专业能源化学工程年级 1402 化学工程教研室制摘要本次课程设计为换热器，让我们了解了换热器的结构，分类，作用以及如何正确的选择合适的换热器。换热器，是将热流体的部分热量传递给冷流体的设备，又称热交换器。换热器是化工、石油、食品及其他许多工业部门的通用设备，在生产中占有重要的地位。所以，本次课程设计我们设计列管式换热器。设计内容有设计任务书、课程设计概述、换热工艺计算等。设计过程主要通过设计任务书和国标准则，计算两流体的定性温度，查资料确定物性数据，计算总传热系数、工艺结构尺寸和确定主要零部件。设计结果为单壳程和单管程的固定管板式换热器。其优点结构简单、紧凑，制造成本低；管内不易积垢，即使产生污垢也便于清洗。关键词：换热器；列管式换热设备；固定管板式换热器；设计计算。AbstractThe curriculum design is given priority to with heat exchanger, let us understand the structure of the heat exchanger, classification, function and how to correctly select the appropriate heat exchanger. Heat exchanger, it is part of the thermal fluid heat transfer to cold fluid equipment, also called heat exchanger. Heat exchanger is a chemical, oil, food and many other industrial departments of general equipment, occupies an important position in the production. So, the course design of our design of shell and tube heat exchanger. Design content has the design specification, summary of curriculum design, so the heat exchange process calculation, etc. Mainly through the design plan descriptions of the design process and gb standards, calculated two fluid temperature, check information to determine physical properties data, calculating the total heat transfer coefficient, process structure size and determine the main components. Design results for single shell side and tube side of fixed tube plate heat exchanger. The advantages of simple structure, compact, low manufacturing cost. Tube is not easy to fouling, even cause fouling also facilitate clean.Key words: heat exchanger; Shell and tube type heat transfer equipment; fixed tube plate heat exchanger；Design calculation.1.设计任务书1.1设计题目：处理量 3024 kg/h 乙苯冷却器的设计1.1.1设计课题工程背景 在石油化工生产过程中，常常需要将各种石油及化工产品（如汽油、煤油、柴油，乙苯等）进行冷却，本设计以某合成橡胶厂冷却乙苯产品为例，让学生熟悉列管式换热器的设计过程。1.1.2设计的目的通过对乙苯产品冷却的列管式换热器设计，达到让学生了解该换热器的结构特点，并能根据工艺要求选择适当的类型，同时还能根据传热的基本原理，选择流程，确定换热器的基本尺寸，计算传热面积以及计算流体阻力。1.2 工艺操作条件（1）乙苯：入口温度136℃ 出口温度 45