The construction and operation of a large-scale gold mineral processing plant is a complex systematic project involving multiple links such as design, equipment manufacturing, construction installation, commissioning and trial operation, and long-term operation management. For mining customers, coordinating the cooperation of various links and ensuring the smooth progress of the project is a huge challenge. Xinhai Mining, with its mature EPC+M+O full-chain service mode, has solved this problem for customers in the Tanzania 1,200t/d gold mineral processing plant project. From the initial detailed design to the later long-term operation management, Xinhai provides one-stop, full-process professional services, guarding the project’s every link and ensuring the project’s early commissioning, stable operation and good economic benefits.
The detailed design is the foundation of the project’s success, and Xinhai attached great importance to the design link of the Tanzania project. The ore of the project has unique properties—sulfide ore and oxide ore coexist, with large differences in grade and leaching difficulty. Xinhai’s design team conducted a comprehensive and in-depth ore property analysis and mineral processing test before the design, mastering the key technical parameters such as the embedded particle size of gold, the grindability of ore and the leaching characteristics. Based on the test results and combined with the local actual conditions of Tanzania and the customer’s production requirements, the design team formulated a detailed and scientific overall design scheme.
The design scheme covers process flow design, plant layout design, equipment configuration design, water supply and drainage system design, power supply and distribution system design, environmental protection and safety design and other aspects. In the process flow design, the all-slime cyanidation process was determined to ensure the high leaching rate of two types of ore; in the plant layout design, the rational layout was carried out according to the production process and local land conditions, reducing the material transportation distance and improving the production efficiency; in the equipment configuration design, advanced, efficient and energy-saving equipment was selected to adapt to the local power supply and maintenance conditions. Every design detail fully considers the actual needs of the project and the long-term development of the customer, laying a solid foundation for the subsequent project implementation.
After the completion of the design scheme, Xinhai entered the equipment manufacturing and procurement link. As a mineral processing complete solution provider with its own equipment manufacturing capacity, Xinhai independently produced core equipment such as ball mills, cyclones and cyanidation leaching tanks required for the project, strictly controlling the manufacturing quality through a strict quality inspection system. For some general auxiliary equipment, Xinhai procured from well-known suppliers at home and abroad, ensuring the quality and reliability of the equipment. At the same time, Xinhai’s logistics team formulated a scientific transportation plan to ensure that the equipment could be delivered to the project site safely and on time.
The construction and equipment installation link is the key to transforming the design scheme into a real plant. Xinhai sent a professional construction team and installation team with rich overseas project experience to the Tanzania project site. The construction team strictly constructed in accordance with the design drawings and construction specifications, paying attention to the construction quality and safety in every link. The installation team, with professional skills and rich experience, carried out standardized and precise equipment installation, ensuring the accurate installation position and stable operation of the equipment. The project management team carried out real-time supervision and coordination, solving the problems encountered in the construction and installation process in a timely manner, ensuring the smooth progress of the work.
After the completion of construction and installation, Xinhai entered the equipment commissioning and trial operation link. The professional commissioning team formulated a detailed commissioning plan, carrying out commissioning step by step from single equipment commissioning to system commissioning, and then to the whole plant trial operation. In the commissioning process, the team carefully debugged the operating parameters of each equipment, making the equipment reach the best operating state, and optimized the process parameters according to the actual operation situation, ensuring that the leaching rate and production capacity of the plant reach the design requirements. During the trial operation, Xinhai’s technical team was stationed at the site to track the operation of the plant in real time, collect operation data, and solve potential problems in a timely manner.
The full-chain service of Xinhai does not end with the completion of the trial operation. Xinhai also provides long-term operation management and technical support services for the project. The professional operation management team formulates scientific operation plans, optimizes the production process, and ensures the stable operation of the plant and the maximization of economic benefits. The technical support team provides regular technical training and on-site guidance for the customer’s operation personnel, solves the technical problems encountered in the operation process, and provides technical upgrades and transformations according to the customer’s development needs. Xinhai’s perfect after-sales service system ensures that the customer can get timely and professional support in the long-term operation process.
From design to operation, Xinhai’s full-chain service runs through the whole life cycle of the Tanzania 1,200t/d gold project. This integrated service mode not only reduces the customer’s project risk and operation cost, but also ensures the project’s stable operation and good economic benefits. Xinhai’s professional service and responsible attitude have won high praise from the customer, and also laid a solid foundation for its further expansion in the East African mining market.
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