氢气冷却器设计(U型管换热器)辽宁工业大学毕业设计(课程设计)师兄宋超-提供最全面说明书.doc

本科生毕业设计（论文） 摘 要 换热器是目前许多工业部门广泛应用的通用工艺设备，广泛应用于化工，石油化工和石油行业。 本次设计的换热器采用U型管式换热器，管程介质为氢气，工作压力0.7MPa，进口温度为150℃，出口温度为42℃；壳程介质为水，工作压力为1.0MPa，进口温度为32℃，出口温度为42℃；主体材质：管束为不锈钢、筒体为0Cr18Ni12Mo2Ti；主要内容包括三部分：第一部分对换热器的选型进行了论述，第二部分则阐述了换热器的设计计算，第三部分对加工制造及要求和总体经济分析作了简单说明。 设计的主要有工艺设计、强度设计计算、零件结构形式的选择及换热器的检验和验收等。其中工艺设计包括：估算传热面积、确定工艺结构尺寸、核算压降和传热系数等；强度设计计算包括：壁厚、壳体上开孔补强、 管箱开孔补强面积、管板、壳体法兰的计算；零件结构形式的选择包括：折流版、拉杆、定距管、隔程挡板、接管、防冲板与导流筒、 排气排液管和鞍座等。 关键词：换热器；工艺设计计算；强度设计计算；管程；壳程； Abstract The heat exchanger is widely used in many industrial sectors common process equipment, widely used in chemical, petrochemical and oil industry. industry. U tube heat exchanger is designed in the topic. The hydrogen is flowed in the U tube. the pressure is 0.7MPa, the intake temperature is 150 ℃, the outlet temperature is 42 ℃; the shell regulation walks water, the pressure is 1.0MPa, the intake temperature is 32 ℃, the outlet temperature is 42 ℃. main material: tubes are used by stainless steel ,the body of cylinder are used by 0Cr18Ni12Mo2Ti . Main contents include three parts: The first part has carried on the elaboration to the heat interchanger shaping, the second part is in detail narrated and has analyzed the interchanger design calculation, the third part give the simple explanation to the request of manufacture and the economic analysis. The main design including process design, calculations of strength design , selection and structure in the form of heat exchanger parts inspection and acceptance . Which process design including: estimating the heat transfer area , determine the process structure, size, pressure drop and heat transfer coefficient calculation; strength design calculations include:wall thickness, opening reinforcement on the housing tube box opening reinforcement area , the management board , the housing law Portland calculations ; parts structure options include : baffle version , rod , fixed pitch pipe , baffle every way , receivership, anti-red plate with draft tube ,