Diploma jaw crusher calculation modernization

Contents
Introduction 6
1 General Part 7
1.1 Brief description of the company 7
1.2 Production technology of coal blanks 10
1.2.1 Flows TsUZa 10
1.2.2 Preparing for pressing the charge coal blanks 10
1.2.3 batching and mixing 15 weight
1.2.4 Cooling mass and pressing pieces 16
1.3 Characteristics of mechanical equipment TsUZa 18
1.4 "bottlenecks" of the site and actions to address them. 19
2 Special Part 21
2.1 Review and analysis of structures feeders and crushers 21
2.2 Design and operation of the crusher 22
2.3 Design and principle of operation of the dispenser 24
2.4 Description of the project to modernize the line charge preparation 26
2.5 Calculation of the jaw crusher 29
2.5.1 Definition of the basic parameters of the jaw crusher 29
2.5.2 Determining the motor power 32
2.5.3 Calculation of the flywheel 32
2.5.4 Calculation of the strength of the eccentric shaft 33
2.6 Calculation of the mechanisms of the device for dispensing charge 35
2.6.1 Calculation of the conveyor belt 35
2.6.2 Calculation of the chain drive transmission of the dispenser 42
2.7 Calculation of the optimal parameters of the chain drive on a computer 45
3 Installation, maintenance and repair 46
3.1 Preparation for operation, regulation and adjustment of the crusher 46
3.2 Operation 46
3.3 Maintenance Technology 48
3.4 Technology maintenance crusher 48
3.5 Calculation of slings 53
3.6 Calculation of interference fit 54
3.7 Calculation of the foundation 56
3.8 Calculation of anchor bolts 58
4 Electrical 60
4.1 Brief description of the technological process of coal crushing and requirements to the drive crusher 60
4.2 Selecting the type of current and the magnitude of the operating voltage 61
4.3 Calculation of power and choice of motor 61
4.4 Description of the electrical circuit 62
4.4.1 Description of the electrical circuit lines coal crushing 62
5 Organizational part 65
5.1 Characteristics of the repair factory farms 65
5.2 Rationale for the forms of organization of repair economy 69
5.3 Development of the annual outage schedule shop coal blanks 70
5.4 Calculation of the annual labor input current repairs of the equipment portion 70
5.5 Calculation of the number mehanosluzhby section 71
5.6 Work organization and planning of annual payroll of workers mehanosluzhby the charge area about 72 TsUZa
6 The economic part 76
6.1 Feasibility study for the modernization of 76
6.2 Calculation of additional capital investments 76
6.3 Calculation of changes in the cost of production 77
6.4 Calculation of the economic efficiency of the project 78
7 Health and Environment 80
7.1 Characteristics of the degree of process safety, the level of mechanization 80
7.2 Analysis of potentially dangerous and harmful factors of the working environment 80
7.3 Development of measures of protection from identified hazardous and harmful factors 83
7.4 Technical solutions for industrial sanitation 84
7.4.1 Artificial and natural lighting 84
7.4.2 Natural and mechanical ventilation 84
7.4.3 sanitary facilities 85
7.4.4 Prevention and fire prevention measures 85
7.4.5 Solutions for the protection of the environment 87
7.4.6 Aerodynamic calculation of ventilation ducts 87
Conclusions and recommendations 94
List of completed drawings 96
Applications 97