金万勤、居沈贵等编著的《化工单元操作实验》共有五大部分。第一部分为化工原理实验的基本要求，以便学生对照这些要求正确进行实验；第二部分为化工原理实验，共有八个实验，分别为流体流动阻力测定实验、离心泵性能特性曲线测定实验、恒压过滤常数测定实验、对流给热系数测定实验、固体流态化实验、精馏实验、吸收（解吸）实验、干燥速率曲线测定实验；每个实验均介绍了实验目的、实验原理、实验装置流程、实验操作步骤、实验数据记录和处理、实验报告要求和思考题，以便指导学生预习实验的过程、正确操作；第三部分为化工原理演示实验，共有六个实验，分别为流体的压强及其测量演示实验、流体流型（雷诺数）演示实验、流体机械能分布及其转换演示实验、边界层演示实验、塔模型演示实验和流体绕流演示实验，以供学生观察有关实验，分析实验现象，加深对有关原理的理解；第四部分为实验误差分析和实验结果的数据处理，使学生了解造成实验误差的主要原因，分析计算中遇到的问题，掌握数据处理的正确方法，同时提高学生实验质量；第五部分为附录，附有常用的一些物理量和单位转换等，以便学生在开展实验实习和数据计算时进行查阅。

金万勤、居沈贵等编著的《化工单元操作实验》作为高等学校化工原理双语课程配套的英文实验课教材，系统地讲解了化工原理实验的基本原理、基本要求以及实验的装置和流程（包括一些演示实验），并介绍了实验误差分析和实验结果的数据处理的方法，以及计算时需要用到的重要参考数据。

《化工单元操作实验》适用于化工、轻工等工程应用类专业的本科生和研究生使用，也可以为从事相关领域的技术人员提供参考。

0 Basic requirements for the experiments 1

 0.1 Previewing the experiment 1

 0.2 Forming group and dividing work 1

 0.3 Measuring the experimental data 2

 0.4 Reading and recording the experimental data 2

 0.5 Paying attention to the experimental process 2

 0.6 Managing the experimental data 3

 0.7 Preparing the report3

1 Experiments in unit operations of chemical engineering4

 1.1 Fluid flow resistance test4

1.1.1 Experimental purpose4

1.1.2 Basic principles4

1.1.3 Experimental equipment and process5

1.1.4 Experimental steps and considerations6

1.1.5 Experimental report7

1.1.6 Questions7

1.1.7 Examples of experimental data recording and data processing8

 1.2 Determining operation characteristics of centrifugal pump9

1.2.1 Experimental purpose9

1.2.2 Basic principles9

1.2.3 Flow chart of experimental device11

1.2.4 Experimental steps and precautions12

1.2.5 Experimental report14

1.2.6 Questions14

1.2.7 Example of experimental data results14

 1.3 Determination of the constant pressure filtration constant15

1.3.1 Experimental purpose15

1.3.2 Basic principles15

1.3.3 Flow diagram of experimental apparatus17

1.3.4 Experimental steps and notices17

1.3.5 Experimental reports20

1.3.6 Questions20

1.3.7 Example of experimental records and data results20

 1.4 Measurement of convective heat transfer coefficient21

1.4.1 Experimental purpose21

1.4.2 Basic principles21

1.4.3 Experimental apparatus and procedures23

1.4.4 Experimental steps and precautions25

1.4.5 Experimental report28

1.4.6 Questions28

1.4.7 Example of experimental records and data results29

 1.5 Experiment of solid fluidization29

1.5.1 Experimental purpose29

1.5.2 Basic principles29

1.5.3 Flow chart of experimental device31

1.5.4 Experimental steps and precautions32

1.5.5 Experimental report32

1.5.6 Questions32

1.5.7 Examples of experimental data records and data results32

 1.6 Distillation experiments33

1.6.1 Experimental purpose33

1.6.2 Basic principles34

1.6.3 Experimental apparatus and procedures34

1.6.4 Experimental steps and precautions35

1.6.5 Experimental report37

1.6.6 Questions37

1.6.7 Example of experimental data records and data results38

 1.7 Absorption （desorption） experiment38

1.7.1 Determination of absorption mass transfer coefficient in packed column38

1.7.2 Determination experiment of desorption mass transfer coefficient in packed tower42

 1.8 Determination of drying rate curve45

1.8.1 Experimental purpose45

1.8.2 Basic principles45

1.8.3 Experiment equipment and process46

1.8.4 Experimental procedures and precautions47

1.8.5 Experimental report47

1.8.6 Questions47

1.8.7 Experimental data records and data processing results48

2 Demonstration experiments in unit operations of chemical engineering50

 2.1 Demonstration experiments of fluid pressure and its measurement50

2.1.1 Experimental purposes50

2.1.2 Experimental equipment and procedure50

2.1.3 Demonstration50

 2.2 Demonstration experiments of the fluid flow pattern（Reynolds）52

2.2.1 Experimental purposes52

2.2.2 Basic principle52

2.2.3 The experimental equipment and procedure52

2.2.4 Demonstration52

 2.3 Demonstration experiments of fluid mechanical energy distribution and conversion53

2.3.1 Experimental purposes53

2.3.2 Basic principle53

2.3.3 Experimental equipment and procedure54

2.3.4 Demonstration55

 2.4 Demonstration experiments of the boundary layer55

2.4.1 Experimental purposes55

2.4.2 Basic principle55

2.4.3 The experimental equipment and procedure56

2.4.4 Demonstration57

 2.5 Demonstration experiment of tower model57

2.5.1 Experimental purposes57

2.5.2 Experimental equipment and procedure57

2.5.3 Demonstration57

 2.6 Demonstration experiments of the ambient flow58

2.6.1 Experimental purposes58

2.6.2 The experimental equipment and procedure58

2.6.3 Demonstration59

3 Experimental error analysis and data processing60

 3.1 Experimental error analysis60

3.1.1 Basic concepts of experimental error60

3.1.2 Basic properties of the error62

 3.2 The data processing of the experimental results69

3.2.1 Processing of significant figures69

3.2.2 Data processing of experimental results70

4 Measuring instrument and measuring method79

 4.1 Summary79

4.1.1 Classification of instrument79

4.1.2 Measure and control processes80

4.1.3 Basic composition of measuring instrument81

 4.2 Pressure measurement81

4.2.1 Liquid column pressure gauge82

4.2.2 Elastic pressure gauge85

4.2.3 Electric pressure gauge86

4.2.4 Considerations of using differential manometer89

 4.3 Flow measurement90

4.3.1 Pressure difference flow meter91

4.3.2 Rotameter94

4.3.3 Turbine flowmeter95

4.3.4 Wet gas meter102

 4.4 Temperature measurement103

4.4.1 Expansion thermometer104

4.4.2 Thermal resistance thermometer105

4.4.3 Calibration of thermocouple thermometer108

4.4.4 Installation of contact thermometer109

 4.5 Power measurement110

4.5.1 Power meter measurement110

4.5.2 Motor balance measurement111

4.5.3 Measurement of automatic torque112

 4.6 Measurement of rotation rate113

4.6.1 General outline113

4.6.2 Measuring approaches113

4.6.3 Intelligent display instrument115

 4.7 Composition analyzer115

4.7.1 Gas chromatograph116

4.7.2 Albright analyzer127

4.7.3 Determining the concentration of CO2 in liquid phase by gassensing electrode129

 4.8 Electronic balance132

4.8.1 Introduction132

4.8.2 Structure132

4.8.3 Installation132

4.8.4 Operation133

 4.9 Load cell136

4.9.1 Introduction136

4.9.2 Notice136

4.9.3 Application137

 4.10 Controller137

4.10.1 Temperature controller137

4.10.2 Liquid level controller138

4.10.3 Automatic control valve143

4.10.4 Variable frequency drive145

4.10.5 Reflux ratio control setup151

4.10.6 Electromagnetic proportional pump153

 4.11 Intelligent instrument163

4.11.1 Overview of intelligent instrument163

4.11.2 The structure of intelligent instruments163

4.11.3 Working methods of the intelligent instruments163

4.11.4 AI entire general artificial intelligence regulator164

 4.12 Detection apparatus171

4.12.1 Overview171

4.12.2 Instrumentation features171

4.12.3 The working principles of the instrument172

Appendix 1 Units of measurements and conversion of units173

Appendix 2 Data table in common use177

References186