短期矿井优化

Holtec Consulting Pvt. Ltd., founded in 1967 and headquartered in Gurgaon, India, is a global service provider specializing in consulting, engineering, factory operations, maintenance, solutions, as well as offering support services in roads, power, and engineering. With a presence in over 90 countries and serving over 1000 clients on more than 4500 tasks, Holtec is recognized for its mature engineering capabilities and robust execution processes, boasting ISO certifications. The company offers comprehensive integrated services from concept to commissioning and operation, leveraging the expertise of over 6,500 years across various industries.

Holtec provides solutions that include strategic guidance through real-time data and advanced analytics, optimizing resource extraction scheduling, ensuring consistent material supply quality, adapting to changing quality requirements without impacting production, regularly updating short-term deposit inventories, and reducing costs through optimized layouts while minimizing expert visits.

The Holtec methodology involves several key steps:

1. Data validation and processing.
2. Preparing slices.
3. Geological modeling.
4. Data synthesis.
5. Data evaluation.
6. Block modeling.
7. Pit formation.
8. Reserves estimation.
9. Mine optimization.
10. Mining scheduling.

Holtec utilizes various tools including block modeling, deposit inventory optimization, long-term planning, short-term planning, raw material return/block model validation, and specific software such as MINSCHED, MINRESDHDBFLAB TSURPAC/DATAMINE, Athos GEO Quarry scheduling and optimization, GEOSTATSURPAC/DATAMINE.

In their work at the North African cement plant, Holtec provides extensive information on deposit assessment, optimization, and benefits, including improvements in reserves, reduction in refuse rates, and optimization of limestone cover ratios. They also offer long-term planning strategies, including the use of two mines for optimal quality parameters and exposure of high-grade limestone.

For short-term scheduling, Holtec conducts regular blasthole sampling, sending it to Holtec for analysis. This allows for weekly production plans that balance lead times, manage micro-mining constraints, optimize blast modeling with geographic coding, provide weekly backup production schedules meeting pile demands, and plan monthly/weekly equipment arrangements based on the provided inputs like blasthole data, pile parameters, equipment positions, and quarterly budgets.

Holtec's benefits include quick alternative solutions, operational flexibility, timely detailed analysis, avoidance of human biases, efficient operational management, evaluation of multiple scenarios, elimination of dedicated manpower, optimal use of deposits, streamlined quarry layout, continuous inventory updates, better control over deposits, and cost savings for the company.

Holtec's activities across different locations demonstrate its ability to optimize deposits, mine planning, and quarry scheduling, providing benefits such as increased deposit life, reduced operating costs, enhanced decision-making capabilities, and efficient inventory management. The company's USPs include extensive geological databases, a wide range of project portfolios, deep industry knowledge, global experience, and customized mining optimization software.