北 京 化 工 大 学

《化工原理实验》教学大纲

一、课程基本信息

课程代码

（已开设课程填写）

 CHE21101L(原课程代码)

课程信息

（仅新开课程填写）

所属

学科

 CHE-化学工程

知识

领域

 1-化工过程中物质、能量平衡和单元操作

课程层次

 □本科生基础课程(通识教育及公共基础) ■本科生中级课程(一级学科基础)

 □本科生高级课程(二级学科基础)      □本科生深度课程(学科方向及特色)

总学时

 32

学分

 1.0

理论学时

 0

实验学时

 32

上机学时

 0

课程中文名称

化工原理实验

课程英文名称

Experiments of Unit Operations of Chemical Engineering

适用专业

环境工程等本科专业

开课学期

 ■春季学期      □ 秋季学期      □ 小学期

预修课程（名称）

化工原理（Ⅰ）

并修课程（名称）

化工原理（Ⅱ）

课程简介

本课程是一门工程性、实践性强的课程，是联系化工理论与生产实践的桥梁，属于工程实验课范畴，其设备具有中试规模，要面对的是较复杂的工程实际问题。

建议教材

杨祖荣．化工原理实验（第二版）．北京：化学工业出版社，2014

参 考 书

 [1] 吴晓艺．化工原理实验（第一版）．北京：清华大学出版社，2013

 [2] 郭翠梨．化工原理实验（第二版）．北京：高等教育出版社，2013

 [3] Warren L. McCabe, Julian C. Smith, Peter Harriott．Unit Operations of Chemical Engineering: Sixth Edition（英文影印版）．北京：化学工业出版社，2003

二、课程教育目标

验证理论和培养学生解决工程问题的技能和技巧，通过实验课程要达到如下目标：

 1、培养学生的工程观点，训练学生了解实验结果对设计生产装置和解决实际问题的工程意义，如分析各种参变量、工程因素及外界干扰对实验结果的影响程度，了解过程诸因素之间的相互联系，以便对化工过程做出合理的简化与综合，对过程结果做出正确的判断。

 2、培养和训练学生对化工过程建立正确的数学模型的技能和技巧，以及用模型定性地分析工程问题。

 3、培养学生灵活运用基本理论的能力和基本科学研究素养，如筹划试验方案、测取和整理实验数据、撰写实验报告，学会分析实验失败的原因，提出改进措施等。

 4、引入计算机应用技术，使学生了解计算机应用在本学科中的地位及作用，并通过仿真操作和数据处理，使学生的计算机应用能力提高到实用阶段。

三、理论教学内容与要求

无。

四、实践教学内容与要求

1、绪论和讨论课（4学时）

课程的研究对象和一般研究方法、特点，它在培养化工人才中的地位和作用，教学内容和教学组织方法以及实验要求。

2、雷诺演示实验（2学时）

    ①建立层流和湍流两种流动类型的直观感性认识；

    ②观测雷诺数与流体流动类型的相互关系；

    ③观察层流中流体质点的速度分布。

3、流体机械能转换演示实验（2学时）

     ①通过实测静止和流动的流体中各项压头及其相互转换，验证流体静力学原理和柏努利方程；

     ②通过实测流体压头的变化及与之相应的压头损失的变化，确定两者之间的关系。

4、流体流动阻力实验（4学时）

     ①掌握测定流体流动阻力的一般实验方法，通过实验了解流体流动中的能量损失的变化规律；

    ②测定直管摩擦阻力系数λ及突然扩大局部阻力系数ξ；

    ③测定直管在层流情况下的摩擦阻力系数λ；

    ④验证在湍流区内摩擦阻力系数λ与雷诺数Re即管子相对粗糙度的关系

5、离心泵性能实验（4学时）

    ①了解离心泵的构造、掌握操作及调节方法；

    ②测定离心泵在恒定转速下的特性曲线并确定其最佳工作范围；

    ③熟悉孔板流量计的构造、性能及安装方法，测定孔板流量计的孔流系数；

    ④测定管路特性曲线。

6、传热膜系数测定实验（4学时）

    ①掌握传热膜系数α及传热系数K的测定方法；

    ②通过实验掌握确定传热膜系数准数关联式中的系数A和指数m、n的方法；

 ③通过实验提高α关联式的理解，并分析影响α的因素，了解工程上强化传热的措施。

 7、吸收（解吸）实验（4学时）

    ①熟悉填料吸收塔的结构与操作；

    ②观察填料吸收塔的流体力学状况，测定压降与气速的关系曲线；

    ③掌握总传质系数Kya的测定方法；

    ④了解ΔP～u曲线和Kya对工程设计的重要意义。

8、精馏实验（4学时）

    ①熟悉精馏的工艺流程，了解筛板精馏塔的结构；

    ②掌握精馏实验的操作方法；

 ③测定全回流及部分回流全塔效率及单板效率。

9、干燥实验（4学时）

    ①了解流化床干燥器的基本流程及操作方法；

    ②掌握物料干燥特性曲线的测定方法；

    ③掌握流化床的流化曲线的测定方法；

    ④测定物料的临界含水量，计算恒速干燥阶段的传质系数KH。

五、作业

学生做完实验后，要认真编写实验报告，其具体要求如下：

报告题目，实验时间、报告人和同组人，实验报告摘要，实验目的及任务，基本理论，流程图及主要测控点，实验操作要点，实验数据的整理和计算示例，实验结果及讨论，分析讨论。

实验报告要求一周完成。

六、考核方式

化工原理实验成绩依据下列权重评定：

实验操作                          占40%

实验报告                          占 50%

实验考核                          占 10%

七、成绩评定

按字母记分制。

八、执笔人

曹仲义、王宇

Beijing University of Chemical Technology

Syllabus for Experiment of Unit Operations

 Ⅰ. General Information

 Course Code

 ( if applied )

 Course Information

 ( for new course only )

 Academic

 Discipline

 CHE

 Knowledge

 Domain

 1

 Total Class

 Hours

 32

 Credits

 1.0

 Lecture

 Hours

 0

 Laboratory

 Hours

 32

 Computer

 Lab Hours

 0

 Course Title (in Chinese)

化工原理实验

 Course Title (in English)

Experiments of Unit Operations of Chemical Engineering

 Applicable Majors

Energy Chemical Engineering

 Semester Available

 ■ Spring    □ Autumn    □ Summer

 Prerequisites (Course Title)

 Unit Operations of Chemical Engineering（Ⅰ）

 Corequisites (Course Title)

Unit Operations of Chemical Engineering（Ⅱ）

 Brief Course Description

 This course is an engineering experiment course designed for connections between chemical engineering theories and industrial practice with the emphasis on engineering and practice. The apparatus is of bench scale.

 Textbooks Recommended

Yang Zurong. Experiments of Unit Operations of Chemical Engineering: Second Edition. Chemical Industrial Press: Beijing, 2014

 References

 [1] Wu Xiaoyi. Experiments of Unit Operations of Chemical Engineering: First Edition. Tsinghua University Press: Beijing, 2013.

 [2] Guo Cuili. Experiments of Unit Operations of Chemical Engineering: Second Edition. Higher Education Press: Beijing, 2013

 [3] Warren L. McCabe, Julian C. Smith, Peter Harriott．Unit Operations Chemical Engineering: Sixth Edition. Chemical Industry Press: Beijing, 2003

 Ⅱ. Teaching Objectives

The overall objects are to help the students to testify the basic theories and developed their ability to solve engineering problems. The specific objects are

Develop engineering concepts in students and make them understand the meaning of these experiments to the design and troubleshooting of real engineering issues. The topics include analysis of the influences of parameters and outside disturbance, understanding of the connections among the process factors so as to simplify the process and make right decisions on the process response.

Develop students’ ability to establish appropriate mathematical models and to use them to analyze the engineering problems.

Develop students’ ability to use the basic theories and conduct scientific research such as design of experiments, measuring and analyzing experimental data, writing reports, analyzing the failure reason and putting up improvement methods.

Introduce computer technology in students and thus make them understand the importance of computer and develop their computer ability via experiments simulations.  

 Ⅲ. Teaching Content and Requirements for the Lecturing Part

None.

 Ⅳ. Teaching Content and Requirements for the Practical Part

1．Introduction and summary (4)

 The research subjects, feature and its importance of this course. The content, teaching method and requirement.

2. Reynolde experiment（2）

    ① Visually observe the laminar and turbulent flow  

    ② Observe and measure the relation between flow type and the Reynolde number

    ③ Observe the flow velocity distribution of laminar flow

3. Bernoulli’s theory experiment (2)

     ① Measure the head terms in the Bernoulli equation and their conversion for both still and flow fluid to testify the Bernoulli equation and fluid statics theory

     ② Measure the change of head terms of flow fluid and therefore determine the head loss and their relations

4. Flow resistance experiment (4)

     ① Know the experimental method to determine the Flow resistance and the enemgy change rule during fluid flow

    ② Measure the straight pipe flow fraction coefficient λ and local enlargement fraction coefficient ξ

    ③ Measure the straight pipe flow fraction coefficient λ under laminar flow

     ④ Determine the relation of he straight pipe flow fraction coefficient λ with Reynolde number and pipe relative roughness.

5. Centrifugal pump performance experiment (4)

    ① Know the structure of Centrifugal pump and its operation and flow regulation

    ② Measure the performance characteristic curve and determine the optimal flow range

    ③ Know the structure and installation of orifice flow meter and determine its discharge coefficient

    ④ Measure the pipe line characteristic curve  

6. Measurement of forced convection heat transfer coefficient (4)

     ① Know the method to measure the convection heat transfer coefficient α and overall heat transfer coefficient K

    ② Determine the parameters A, m and n in the heat transfer coefficient correlation equation

 ③ Gain more understanding of α and the factors effect α and know the engineering method to intensify the heat transfer  

7. Absorption (Desorption) experiment (4)

    ① Configuration and operation of packing column

     ② Observer the fluid flow inside the packing Absorption column and measure the relation between the pressure drop and space velocity

③ Be aware of the mass transfer coefficient Kya measurement  

    ④ Understand the ΔP～u curve and its application in Engineering design

8. Distillation experiment（4）

    ① Be familiar with distillation process flow and the structure of sieve column

    ② Know the operation of distillation  

    ③ Measure the overall efficiency and single plate efficiency under total and partial reflux  

9. Dryness experiment (4)

    ① Know the fluidized bed structure and its operation

    ② Know the measurement of the performance characteristic curve

③ Know the measurement of fluidization curve  

④ Measure the critical water content and calculate the drying mass transfer coefficient KH.

 Ⅴ. Assignments

A writing report is required after the experiment. The following content should be included, title, time of experiment, name of report writer and colleagues, abstract, experiment theory, basic theory, flow sheet and measuring instrument, operation highlight, experimental data and calculation example, results and discussion,  analysis.

 Ⅵ. Grading

The grade will base on pre-experiment (15%), Experimental operation (30%), Report(40%) and Exam (15%).

 Ⅶ. Assessment

 The final score will be presented in a five-level format from A to F.

 Ⅷ. Author

 Cao Zhongyi, Wang Yu

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