Load Haul Dumpers (LHDs) are critical equipment in underground coal mining, used for transporting excavated material from the face to dumping points or haulage systems. In South Africa, where coal mining is a major industry, LHDs are widely employed in both hard rock and coal operations.
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Key Aspects of LHDs in South African Coal Mines:
1. Types of LHDs Used:
– Electric LHDs: Preferred in deep, gassy mines (like many South African collieries) due to lower emissions.
– Diesel LHDs: Used in well-ventilated areas but require strict ventilation due to exhaust fumes.
– Hybrid LHDs: Emerging as a solution for efficiency and emissions control.
2. Major Manufacturers & Suppliers:
– Sandvik (e.g., Toro series)
– Epiroc (formerly Atlas Copco)
– Caterpillar (e.g., R1700, R2900 models)
– Komatsu (e.g., WJD series)
– Local suppliers like Bell Equipment also provide support.
3. Challenges in South African Coal Mines:
– Ventilation constraints (especially for diesel units).
– Geological conditions (seam thickness, roof stability).
– Safety regulations (South Africa has strict mine safety laws under the MHSA).
4. Key Coal Mining Regions Using LHDs:
– Mpumalanga (major coal hub – e.g., Witbank/Middelburg area).
– Limpopo and KwaZulu-Natal also have active coal mines.
5. Automation Trends:
– Some mines are adopting remote-controlled and autonomous LHDs to improve safety and productivity.
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Where to Source LHDs in South Africa?
– Local Dealers:
– Becker Mining Systems
– ELB Equipment
– Bell Equipment
– Mining Houses Using LHDs:
– Exxaro
– Anglo American (Thungela Resources)
– Sasol Mining
Would you like details on specific models, maintenance practices, or operational best practices for LHDs in South African coal mines?