Automatic control of the mineral transport system of a mine complex. FINAL REPORT

Directorate-General For Translation European Commission

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• Publié par: EUROPEAN-COMMISSION
• Nombre de lectures: 9
• Langue: English
• Poids de l'ouvrage: 3 Mo

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COMMISSION OF THE EUROPEAN COMMUNITIES
technical coal research
Automatic control of the mineral transport
system of a mine complex
Jlow-up from microfiche original
EUR 7379 EN COMMISSION OF THE EUROPEAN COMMUNITIES
technical coal research
Automatic control of the mineral transport
system of a mine complex
NCB - London
Contract No 6220-AE/8/804
FINAL REPORT
Published by the Directorate-General
Information Market and Innovation
1981 EUR 7379 EN Published by the
COMMISSION OF THE EUROPEAN COMMUNITIES
Directorate-General
Information Market and Innovation
Bâtiment Jean Monnet
LUXEMBOURG
LEGAL NOTICE
Neither the Commission of the European Communities nor any person acting
on behalf of then is responsible for the use which might be made of
the following information
©ECSC-EEC-EAEC. Brussels · Luxembourg, 1981 Commission of the European Communities
Directorate General - Energy
AUTOMATIC CONTROL OF THE MINERAL TRANSPORT SYSTEM OF A MINE COMPLEX
Final Report on ECSC Research Project - 6220-AE/8/804
Duration of Project: November 1975 - June 1980
Research work carried out with financial aid from the
European Coal and Steel Community
MRDE Ashby Road Stanhope Bretby Burton-on-Trent Staffs DE15 OQD 622.268.12[622.489:654.93:681.31-181]
EUROPEAN COMMUNITIES COMMISSION
Automatic control of the mineral transport system
of a mine complex: final report on ECSC research
project 6220-AE/8/804
MRDE, 1981. 73 pp
MINING RESEARCH AND DEVELOPMENT ESTABLISHMENT
CLEARANCE; MINOS; TRANSDUCER; STONE CONTENTS
INTRODUCTION
OBJECTIVES OF PROJECT
SYNOPSIS
PART 1. THE ENGINEERING OF A MINERAL CLEARANCE SYSTEM OF A COMPLEX MINE
1. INTRODUCTION
2. PROJECT MANAGEMENT
3. UNDERGROUND REPAIR AND DEVELOPMENT WORK
4. INSTALLATION OF CONVEYORS, BUNKERS AND OUTFEED DEVICES
5.N OF CONTROL AND MONITORING EQUIPMENT UNDERGROUND
6. CONTROL ROOM EQUIPMENT AND DESIGN
7. TRAINING REQUIREMENTS
7.1 Engineers and Management
7.2 Craftsmen
7.3 Operators
7.4 Deputies and Patrolmen
8. OPERATIONAL PROBLEMS
8.1 Technical-Response Time
8.2 Cable Length
8.3 Computer Floppy Disc Drives
8.4 Transducers
9. BENEFITS OF SYSTEM
FIGURES
1.1 Rawdon/Donisthorpe Concentration Scheme - Roadway and Conveyor Layout
January 1977
1.2e Coal Clearance System - Schematic 1.3 Rawdon/Donisthorpe Coal Clearance System - August 1979
1.4 Bunker Automation Systems
1.5 Transfer Point Control Rack
1.6 Rawdon Colliery Control Room
PART 2. RESEARCH ON A COAL/STONE TRANSDUCER FOR USE WITH CONVEYOR BELT
MINERAL TRANSPORT SYSTEMS
10. INTRODUCTION
11. HISTORY OF NATURAL GAMMA WORK AT MRDE AND NATURAL GAMMA PROPERTIES OF
COAL AND STONE
12. INITIAL CONSIDERATION OF THE DIFFERENTIATION OF STONE FROM COAL ON
CONVEYOR BELTS
13. PROTOTYPE SENSOR FOR UNDERGROUND MEASUREMENTS
13.1 Equipment and Operation
14. LABORATORY TESTS ON PROTOTYPE SYSTEM
15. UNDERGROUND TRIALS
16. CONCLUSIONS
17. REFERENCES
FIGURES
2.1 Graph of N (q) versus q
2.2 Count Rate as a Function of geometry of Coal/Stone Mixture
2.3 Coal/Shale Discrimination: Varying Layer Mixture
2.4 Natural Gamma Sensor
2.5 Ratemeter Unit
2.6 Control Unit
2.7 Ratemeter Housing
2.8 Counter/Timer 2.9 System Block Diagram
2.10 Sensor Housing Fitted under Belt
2.11 Shield Over Conveyor
2.12 Count Rate as a Function of Geometry of Coal/Stone Mixture
2.13 Count Rate versus Loading Response
PART 3. THE DEVELOPMENT OF A PROGRAM FOR MONITORING AND CONTROLLING
STONE/COAL MOVEMENT IN A COMPLEX MINE
18. INTRODUCTION
19. DESIGN AIMS
19.1 System Requirements
19.2 Batch Injection
19.3 Batch Monitoring Technique
20. SYSTEM OPERATION
20.1 Configuring
20.2 Batch Handling
20.2.1 Setting up a Stone Schedule
20.2.2 Initiating a Stone Run
20.2.3 Alarm Messages
20.2.4 Supplementary Information
20.2.5 Batching Through Bunkers
20.3 Unscheduled Stoppages
21. SYSTEM TRIALS
22. CONCLUSIONS
23. FUTURE DEVELOPMENT
24. DETAILS OF SOFTWARE DESIGN
24.1 SCHED - Stone Schedule Task
24.2 Data Areas
24.2.1 HDRTAB 24.2.2 ORDTAB
24.2.3 SEQTAB
24.2.4 BUNTAB
24.2.5 SCHEDTAB
24.3 SCWORK - Segregation Control Task
25. MODIFICATIONS TO STANDARD MINOS SYSTEM ARCHITECTURE
25.1 System Management Key/Schedule
25.2 Command Keys - Stone/Start, Abort, Stop
25.3 Control Task
TABLES
3.1 Conveyor Data Configuring
3.2 Creating a Stone Schedule
3.3 Stone/Coal System Alarms
FIGURES
3.1 The Operators Console - Schematic
3.2 Batch Schedule Display
3.3 Schedule Display - Batch being Injected
3.4e Display - Batch Injection Complete
3.5 Example Alarm Display
3.6e Status Display
APPENDICES
1. OPERATIONAL RESEARCH EXECUTIVE PRE-INSTALLATION STUDY OF RAWDON
COLLIERY DRIFT MINE COAL CLEARANCE SYSTEM - MARCH 1977
2. SUMMARY OF NOTES OF AN OPERATIONAL RESEARCH SYSTEM AT RAWDON COLLIERY
DECEMBER 1976 TO MARCH 1977