In order to solve the management and operation problems in the trusteeship operation of a coal preparation plant, several key strategies can be implemented. These strategies focus on improving the overall management efficiency, optimizing operational processes, and enhancing communication and coordination among different stakeholders. The following are some suggested steps:

1. Clearly define roles and responsibilities: It is essential to establish clear roles and responsibilities for each stakeholder involved in the trusteeship operation. This will help to minimize confusion and ensure smooth coordination between the different parties. A clear organizational structure should be created, with clear reporting lines and decision-making processes.

2. Set performance targets: Performance targets should be established for both the management and operational aspects of the coal preparation plant. These targets should be measurable, realistic, and aligned with the plant's overall goals and objectives. Regular monitoring of these targets will help identify areas for improvement and ensure accountability.

3. Enhance communication and coordination: Effective communication and coordination are crucial for the smooth operation of the plant. Regular meetings should be held between the trustees, plant management, and key stakeholders to discuss operational issues, share progress, and exchange ideas. Additionally, implementing a robust communication system, such as a centralized information management platform, can streamline information flow and enhance collaboration.

4. Implement standardized operational procedures: Standardized operational procedures should be developed and implemented across the coal preparation plant. These procedures should cover all aspects of plant operation, from raw material handling to coal processing and waste management. Regular training should be provided to employees to ensure proper implementation and understanding of these procedures.

5. Implement advanced technologies: The adoption of advanced technologies, such as automation and data analytics, can greatly improve the efficiency and effectiveness of coal preparation plant operations. Automated systems can help optimize processes, reduce human error, and increase productivity. Data analytics can provide valuable insights into plant performance, enabling proactive decision-making and early identification of potential issues.

6. Continuously monitor and evaluate performance: Regular monitoring and evaluation of plant performance is essential to identify areas for improvement and ensure corrective actions are taken. Key performance indicators should be established to measure various aspects of plant operation, such as production efficiency, energy consumption, and environmental impact. Performance reviews should be conducted periodically to assess progress and make necessary adjustments.

7. Foster a culture of continuous improvement: To ensure long-term success, a culture of continuous improvement should be fostered within the coal preparation plant. This involves encouraging employees to actively contribute ideas for process optimization, problem-solving, and innovation. Regular feedback mechanisms, such as suggestion boxes or employee surveys, can be implemented to gather input and promote employee engagement.

Overall, by implementing these strategies, the management and operation problems in the trusteeship operation of a coal preparation plant can be effectively addressed. Continuous monitoring, evaluation, and improvement are key to ensuring long-term success and maintaining a high standard of performance.