The Mining and Classification of Aggregates
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The document discusses the mining and classification of aggregates essential for high-performance dry mix mortars, focusing on advanced screening technologies. It details various screening processes and equipment used in sand processing, highlighting the importance of optimizing grain size distribution and material flow. Additionally, it provides technical specifications and benefits of the Haver group’s screening systems.
![A MEMBER OF THE HAVER® GROUP
SCREENING TECHNOLOGY
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Wire opening [mm]
Amplitude[mm]
2‐Bearing screen
Linear screen
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4‐Bearing screen
Range of applications HAVER & TYLER Screening technology](https://image.slidesharecdn.com/12-150816045105-lva1-app6891/85/The-Mining-and-Classification-of-Aggregates-13-320.jpg)
The Mining and Classification of Aggregates
- 1. A MEMBER OF THE HAVER® GROUP Present: The Mining and Classification of Aggregates - the Basis for High Performance Drymix Mortars By Olaf Micke, Haver Niagara 1
- 2. A MEMBER OF HAVER & BOECKER Mineral Processing Technology
- 3. A MEMBER OF THE HAVER® GROUP MEDMA WORKSHOP 17.11.2014 BIG 5 Dubai Introduction Screening Technology Dry Mortar Production Sand – a Natural Ressource Sand Screening Technology
- 4. A MEMBER OF THE HAVER® GROUP The founders of HAVER & BOECKER Carl Haver Eduard Boecker INTRODUCTION The family group 4
- 5. A MEMBER OF THE HAVER® GROUP INTRODUCTION The founder of WS Tyler Washington Samuel Tyler The family group
- 6. A MEMBER OF THE HAVER® GROUP HAVER IBAU INDIA H&B Wire Fabrications W.S. TYLER HAVER & BOECKER HAVER MIDDLE EAST HAVER BELGIUM HAVER Standard India HAVER TRADING H&B RUSSIA W.S. TYLER CANADA Haver Filling Technology (Beijing) HAVER TECHNOLOGIES TIANJIN Wire Weaving Division Oelde HAVER & BOECKER Holding BEHN+BATES, Münster H&B IBERICA HAVER FRANCE HAVER CONTINENTAL FEIGE FILLING, Bad Oldesloe IBAU HAMBURG, Hamburg HAVER ENGINEERING Meißen raguhner Metal Mesh Manufacture Machinery Division Plant 1, Oelde Machinery Divison Plant 6, Oelde 6 THE HAVER GROUP HAVER SOUTHERN AFRICA H&B MEXICANA H&B Holding Américas H&B Latinoamericana H&B SERVIÇOS HAVER Filling Systems H&B Andina, Chile HAVER BY Major Wire HAVER AUSTRALIA NEWTEC BAG PALLETIZING HAVER NIAGARA GmbH Münster H&B Nigeria
- 7. A MEMBER OF THE HAVER® GROUP INTRODUCTION HAVER & TYLER Allianz 7
- 8. A MEMBER OF THE HAVER® GROUP INTRODUCTION 8 Haver & Tyler around the World
- 9. A MEMBER OF THE HAVER® GROUP INTRODUCTION 9 Our Technology
- 10. A MEMBER OF THE HAVER® GROUP SCREENING TECHNOLOGY 10
- 11. A MEMBER OF THE HAVER® GROUP SCREENING TECHNOLOGY 11 We screen everything! from… …to
- 12. A MEMBER OF THE HAVER® GROUP SCREENING TECHNOLOGY 12 directly excited Linear motionEccentric 4 bearings Concentric motion 2 bearings HAVER & TYLER Screening system high‐frequent
- 13. A MEMBER OF THE HAVER® GROUP SCREENING TECHNOLOGY 13 0,00 1,00 2,00 3,00 4,00 5,00 6,00 7,00 8,00 9,00 10,00 0,10 1,00 10,00 100,00 Wire opening [mm] Amplitude[mm] 2‐Bearing screen Linear screen Direct driven 4‐Bearing screen Range of applications HAVER & TYLER Screening technology
- 14. A MEMBER OF THE HAVER® GROUP DRY MORTAR PRODUCTION 14
- 15. A MEMBER OF THE HAVER® GROUP DRY MORTAR PRODUCTION 15 Dry Mortar Plant schematic
- 16. A MEMBER OF THE HAVER® GROUP DRY MORTAR PRODUCTION 16 Example of crusher and screen tower
- 17. A MEMBER OF THE HAVER® GROUP SAND – A NATURAL RESSOURCE 17
- 18. A MEMBER OF THE HAVER® GROUP SAND – A NATURAL RESSOURCE 18 0 10 20 30 40 50 60 70 80 90 100 mm 0,20 0,30 0,43 0,50 0,60 0,80 1,00 1,18 1,60 2,36 3,00 grain size in mm percentage% example: river‐sand from 4 different natural deposits supplier 1 supplier 2 supplier 3 supplier 4
- 19. A MEMBER OF THE HAVER® GROUP SAND – A NATURAL RESSOURCE 19 example: river‐sand from 4 different natural deposits theoretically optimum grain size distribution supplier 1 supplier 2 supplier 3 supplier 4 0 10 20 30 40 50 60 70 80 90 100 mm 0,20 0,30 0,43 0,50 0,60 0,80 1,00 1,18 1,60 2,36 3,00 grain size in mm percentage%
- 20. A MEMBER OF THE HAVER® GROUP SAND SCREENING TECHNOLOGY 20
- 21. A MEMBER OF THE HAVER® GROUP SCREENING TECHNOLOGY 21 Example of sand processing plant
- 22. A MEMBER OF THE HAVER® GROUP SCREENING TECHNOLOGY 22 1st screen step: circular vibrating screen – T-CLASS Application Cut size: 2 - 80 mm Capacity: up to 300 t/h optionally fitted with shaker ball device
- 23. A MEMBER OF THE HAVER® GROUP SCREENING TECHNOLOGY 23 2nd screen step: Linear vibrating screen – L-CLASS Application Cut size: 0.4 – 4 mm Capacity: up to 90 t/h optionally fitted with Shaker ball device
- 24. A MEMBER OF THE HAVER® GROUP SCREENING TECHNOLOGY Shaker ball device Optimisation of the screening result by using shaker balls for clog-free screening
- 25. A MEMBER OF THE HAVER® GROUP SCREENING TECHNOLOGY Shaker ball device
- 26. A MEMBER OF THE HAVER® GROUP SCREENING TECHNOLOGY 3rd screen step: fine screening machine with directly excited screen cloth - Fine-Line Application Cut size: 100 µm – 0.8 mm Capacity: up to 30 t/h extremly adjustable to manifold feed material characteristics
- 27. A MEMBER OF THE HAVER® GROUP Overview
- 28. A MEMBER OF THE HAVER® GROUP Circular vibration of unbalance motor transforms to linear vibration of knocking bars FINE-LINE Mode of operation Frequency modes: Screening with 60 Hz Anti‐screen blinding with 80 Hz
- 29. A MEMBER OF THE HAVER® GROUP SCREENING TECHNOLOGY Excellent screening results Tailor‐made screens High capacities Easy screen cloth replacement Enclosed – dust‐proof design Up to 5 cut sizes depending on the screening system Low energy consumption (Fine‐Line) Automatic cleaning of screen cloth (Fine‐Line) Reduced dynamic loading (Fine‐Line) Advantages of HAVER screening systems
- 30. A MEMBER OF THE HAVER® GROUP SCREENING TECHNOLOGY Engineering of HAVER sand processing plants Raw material analysis > grain size distribution calculation and engineering of the entire material flow-process Customer and raw-material tailor-made solution defining the screening system (screening steps), screen size and design crusher and grinder determination according to requested fractions
- 31. A MEMBER OF THE HAVER® GROUP SCREENING TECHNOLOGY Summary In general the nuts and bolts of a well functioning, cost effective operation and reliable sand processing plant is the interaction of the crushing, drying, screening, pulverizing and air separation systems, which have to be perfectly matched up.
- 32. A MEMBER OF HAVER & TYLER THANK YOU!