Skip hoist mine "Severopeschanskaya"

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Uploaded: 16.06.2016
Content: Расположение оборудования.dwg (132,75 kB)

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Description


Final QUALIFYING WORK of the ENGINEER (VRCI) ON the SUBJECT of Skip hoist mine "Severopeschanskaya".
160 pages + 8 drawings
Technology mining
Stationary mine installation
External power supply
The Electromechanical equipment and supply skip hoist
Energy saving
Electric machinery and equipment the technological complex
Automation of technological complex
Health and safety if you operate Electromechanical equipment
The economic part

Additional information


The contents
Vvedenie............................................................................................7
1.The General part....................................................................................8
1.1. Technology mining................................................................9
1.1.1. A brief geological description of the Deposit...........10
1.1.2. Autopsy and preparation of deposits.......................................12
1.1.3. Upgrades..............................................................................12
1.1.4. Airing.......................................................................12
1.1.5. Drainage............................................................................13
1.1.6. The power supply of the mine........................................................13
1.1.7. Underground transport..............................................................13
1.1.8. Annual capacity of the mine.................................................14
1.1.9. The choice of the development system.......................................................14
1.1.10. System level caving........................................................14
1.1.11. System sublevel caving with mechanical release
self-propelled machinery...............................................................16
1.1.12. Blasting............................................................18
1.1.13. The overall organization of work........................................................20
1.1.14.The main technical and economic indicators of the project...................22
1.2. Stationary mine installation.................................................23
1.2.1.lifting equipment mine..........................................................24
1.2.2. The calculation and selection of skip hoists................................24
1.2.3. The choice of lifting of the vessel........................................................24
1.2.4. The choice of counterweight.................................................................25
1.2.5. The calculation and selection of wire ropes...........................................................26
1.2.6. The choice of the lifting machine with pulley friction...............................27
1.2.7. The determination of the height of copra...................................................... 29
1.2.8. Definition of the duration of lifting operations.......................... 29
1.2.9. The choice of a drive motor and gearbox....................................30
1.2.10. The kinematics of the lift..............................................................31
1.2.11. Determination of the limiting values of acceleration and deceleration...........32
1.2.12. The speed tachogram.............................................................34
1.2.13. The definition of the resulting efforts.......................................34
1.2.14. The resulting power.....................................................35
1.2.15. Management and protection of the lift installation.................................38
1.2.16. The task of lifting machines....................................................38
1.2.17. The requirements of safety rules for lifting installations.............39







2. Special part..........................................................................41
2.1. External power supply............................................................42
2.1.1. Calculation of electrical loads..................................................43
2.1.2. Calculation of short circuit currents.............................................47
2.1.3. The selection and testing of vehicles GPP..............................................52
2.1.4. Calculation of relay protection...........................................................54
2.1.4.1. The calculation of the current cutoff instant action............................55
2.1.4.2. Protectio

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