automated crushing plot copper plant JSC SUMZ

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Uploaded: 16.06.2016
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Description

Final qualifying work is done with the aim to automate the crushing section of the Department of raw material preparation and furnace charge smelting shop at JSC "SUMZ", to improve the performance and increase the quality of the end product (reduction of size of crushed rocks and wet grinding).
In the General part of the graduation project will consider the location and route of rocks at the crushing station, carried out calculations and equipment selection for crushing and wet grinding.
In the special part will be considered an external electrical supply of the enterprise, the internal power supply of the site, selection of electrical equipment and installations. Also in the special part, you need to consider the electric machines and systems, and provide technical solutions for the automation of the crushing station.
In addition, in the special part will address issues concerning safe use of electrical equipment, presents technical and economic calculations and proposed solutions for energy efficiency.
Thus, all the above questions in accordance with the mission, VCRI will be addressed in the Capstone project.
170 pages + 6 A1 drawings

Additional information


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The CONTENTS

TASK 2
ABSTRACT 7
INTRODUCTION 8
THE LIST OF DRAWING SHEETS GRAPHICAL DOCUMENTATION 12
1 GENERAL PART 13
1.1 organization of the process 14
1.1.1 technological process Description crushing area Opsis 15
1.1.2 Characteristics of raw material crushing station Opsis 17
1.1.3 security Requirements 20
1.1.4 Control of production, control process 25
PART 2 SPECIAL 26
2.1 Electromechanical equipment, the electricity and energy 27
2.1.1 External power supply 28
2.1.1.1 General information and technical data, when the scheme of external power supply copper production 29
2.1.1.2 Calculation of electrical loads 32
2.1.1.3 Selection of power transformers 35
2.1.1.4 Calculation of air and cable lines with voltage above 1000 V 36
2.1.1.5 Calculation of short circuit current 45
2.1.1.5.1 the Resistance of the equivalent circuit 48
2.1.1.5.2 the Calculation of short-circuit currents at the point K1 and K2 51
2.1.1.6 Selection of the main equipment GPP 54
2.1.1.7 design of GPP 58
2.1.1.8 Calculation of relay protection and automation 60
2.1.1.9 the Calculation of the grounding device 66 GPP
2.1.2 Electromechanical equipment and power supply of mobile crushing station Opsis MOC JSC "SUMZ" 69
2.1.2.1 General information about Electromechanical equipment crushing area Opsis 70











2.1.2.2 drainage electrical energy crushing site 72
2.1.2.3 Calculation of lighting crushing site 72
2.1.2.4 Calculation of electrical loads in the networks with voltage up to 1000 V 75
2.1.2.5 Compensation of reactive power 82
2.1.2.6 the Choice of the number, type and capacity of power transformers 84
2.1.2.7 Calculation of cables and testing 85
2.1.2.8 the Calculation of short circuit current 88
2.1.2.9 the Choice of instrument protection and control 94
2.1.2.10 the calculation of the ground 97
2.1.2.11 the Determination of fees for electricity 98
2.1.3 energy Saving 100
2.1.3.1 the importance of energy conservation 101
2.1.3.2 energy saving Potential 102
2.1.3.3 Recommendations on energy saving crushing site 103
2.1.3.3.1 the Use of frequency converters and soft start devices 103
2.1.3.3.2 Compensation of reactive power 104
2.1.3.4 energy conservation measures 105
2.1.3.5 measures to regulate the load in the peak hours 106
2.1.3.6 calculation of the measures to save industrial water 107
2.2 Electric thickener with Central drive 109
2.2.1 overview of the thickeners with Central drive 110
2.2.2 working Conditions and requirements of the design of the actuator 113
2.2.3 Review and analysis of system design of electric and structures of control systems 114
2.2.4 power Calculation and motor selection of the managed Converter 115
2.2.4.1 Selection of motor 115
2.2.4.2 calculation of the parameters of the motor 116
2.2.4.3 select the current Converter 119
2.2.5 Calculation of the structural scheme of the electric drive and controller synthesis of electric drive control system 122


2.2.5.1 calculation of the units of the structural scheme of the actuator in absolute units 122
2.2.5.2 Synthesis of the speed regulator 127

2.2.5.3

The conversion parts structural diagram of the drive in relative units

128
2.2.6 the model of the actuator and the analysis of the static and dynamic properties of the actuator 129
2.2.7 description of the schematic circuit of the actuator 132
2.3 automation of complex 133
2.3.1 General requirements for conveyors 135
2.3.2 Main technical data of conveyor No. 3 136
2.3.3 System of automatic control of conveyor 136
2.3.3.1 Purpose 136
2.3.3.2 Technical data controller 137
2.3.3.3 Description and operation the ACS-140
2.3.3.4 Description and operation of the controller 141
2.3.4 safety Devices applicable to conveyor No. 3 145
2.3.4.1 Sensor speed control 145
2.3.4.2 Switch end 147
2.3.4.3 call AC lamp 148
2.3.5 preparation and calculation conveyor No. 3 148
3 HEALTH AND SAFETY IN THE OPERATION OF ELECTRO-MECHANICAL EQ

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