Modernization of the plant automation system

Modernization of the automation system of the preliminary water discharge unit of the booster pumping station of the Vatyoganskoye field
List of abbreviations 6
Introduction 8
1 TECHNOLOGICAL PROCESS OF PRIMARY OIL PREPARATION 12
1.1 Purpose, place of the object in the structure of the enterprise 12
1.2 Characteristics of raw materials and materials 13
1.3 Description of the technological scheme 14
1.4 Standards of technological regulations for the process of preliminary water discharge 18
2 OVERVIEW OF WAYS FOR MODERNIZATION OF THE EXISTING CONTROL SYSTEM OF THE PRELIMINARY WATER DISCHARGE PUMPING STATION 19
2.1 Overview of the existing control system 19
2.2 Justification of the need to improve the existing management system 23
2.3 Overview of ways to modernize the existing control system 24
2.4 Rationale for choosing an automation system 26
2.5 Comparative analysis and selection of industrial controller 26
2.6 Comparative analysis and selection of a software package for the development of automation systems 27
2.7 Justification for the choice of the topic of the thesis project 31
3 CALCULATION OF THE AUTOMATIC CONTROL SYSTEM OF THE "OIL-WATER" PHASE SECTION IN THE SEPARATOR 33
3.1 Determination of object transfer function 33
3.2 Block diagram of the control system 35
3.3 Determining the optimal settings for the digital controller 38
4 SELECTION OF TECHNICAL MEANS OF AUTOMATION OF CSN 49
4.1 The structure of the automated control system for the technological process of primary oil treatment 49
4.2 Monitoring and control parameters 53
4.3 Selection and rationale for controls 57
4.4 Selection and justification of controls 66
4.5 Process signaling and blocking system 72
4.6 Specification of instrumentation and control equipment 74
4.7 Allen Bradley CompactLogix 75 Programmable Logic Controller
4.8 Installation of monitoring and control devices 83
5 DEVELOPMENT OF THE APCS PROJECT WITH THE HELP OF THE IN TOUCH 85 SOFTWARE COMPLEX
5.1 Purpose and composition of the operator controller 85
5.2 System functions 86
5.3 Operator Interface 89
5.4 Description of the operator´s workstation 96
5.5 Menu "Access" 99
5.6 Emergency situations 100
6 ECONOMIC JUSTIFICATION OF THE PROJECT 101
6.1 Calculation of one-time costs 102
6.2 Calculation of the annual payroll 104
6.3 Calculation of current profit due to the implementation of the APCS 109
6.4 Calculation of generalized performance indicators 110
7 SAFETY AND ENVIRONMENTAL 116
7.1 Analysis of hazardous and harmful production factors:
7.1.1 Physical factors. 120
7.1.1.1 Meteorological conditions at workplaces, their features ..................... 121
7.1.1.2. Industrial lighting. ……………………………… 121
7.1.1.3 Noise, vibration ……………………………………………… .124
7.1.1.4 Effect of non-ionizing electromagnetic radiation ... .125
7.1.1.5. Danger of electric shock …………… .... 125
7.1.2. Chemical factors ………………………………………… ..126
7.1.3 Psychophysiological factors ……………………………… 127
7.2 Compliance with sanitary design standards, safety rules ... ... 127
7.3 Ensuring the safety of technological equipment ... ..128
7.4 Ensuring fire safety ……………………… ..… .129
7.5 Personal protective equipment for workers ……………… .... 131
7.6 Environmental friendliness of the project ………………………………………… ... 132
7.7 Engineering solutions and proposals for ensuring the safety and environmental friendliness of work …………………………………… .134
FINAL QUALIFICATION CONCLUSIONS 136
REFERENCES 138
Appendix A 140