air preheater的英标是['eə, preɪhɪə(r)]，意思是空气预热器。
发音分别是：字母e的发音是/i/，字母组合air通常读/eə/，单词preheater中只有一个元音字母组合，即er读/ɪə/。
分别的用法：分别可以用在表示分手的意思上，也可以用在表示分别担任某项工作或去某地方的意思上。
分别的记法可以结合词根词缀以及词义联想进行记忆。例如air可以联想为“空气”，preheat可以联想为“预热空气”，那么air preheater就可以理解为“空气预热器”。
空气预热器（Air Preheater）是用于回收烟气余热，提高锅炉热效率，同时增加空气预热器传热面的烟气侧受热面的一种物理现象。它广泛用于工业锅炉和工业炉窑上。
当烟气通过空气预热器时，烟气的热量被空气吸收，烟气的温度降低，而空气的温度升高。这种物理现象可以回收烟气中的显热并减少工质向环境的散热，从而提高锅炉的效率。同时，加热后的空气可以提高燃烧率，进一步增强空气预热器的作用。
此外，空气预热器还可以减少排烟损失和化学不完全燃烧热损失，从而降低总的热损失。因此，空气预热器是一种有效的节能设备。
Air Preheater Management: Keys to Successful Operation
Air preheater, also known as air heater or heat exchanger, plays a crucial role in many industrial processes. It is commonly used in coal-fired power plants, cement factories, and other industries to improve the efficiency of heat transfer and reduce energy consumption. However, effective management of air preheaters is essential to ensure optimal performance and minimize maintenance costs.
I. Equipment Maintenance and Monitoring
Regular maintenance and inspection of air preheaters are crucial to their long-term operation. The following steps should be taken:
1. Inspect the air preheater’s components regularly, including the heat exchanger plates, baffles, and seals.
2. Perform regular cleaning to remove accumulated dust and debris that can reduce heat transfer efficiency.
3. Replace worn or damaged parts as needed to ensure proper operation and minimize potential leaks.
II. Operation and Maintenance Guidelines
1. Ensure the correct airflow rate is maintained to avoid overheating or underheating of the heat exchanger plates.
2. Avoid excessive vibration or shock that can damage the air preheater’s components.
3. Maintain a consistent temperature differential between the hot and cold streams to ensure optimal heat transfer.
4. Monitor the air preheater’s pressure differential to avoid over-pressurization or under-pressurization that can affect its performance.
III. Effective Communication and Teamwork
Effective communication and teamwork among plant personnel are essential for managing air preheaters effectively. Regular meetings should be held to review the air preheater’s performance, identify any issues, and develop solutions. Regular training should be provided to plant personnel on air preheater maintenance and troubleshooting techniques to ensure they are familiar with the equipment and its operation.
IV. Use of Advanced Technology
Modern technology can help improve air preheater performance and reduce maintenance costs. For example, sensors can be used to monitor temperature, pressure, and flow rates, providing real-time data that can help identify potential issues before they become significant. Additionally, advanced software can be used to analyze data and provide recommendations for optimal operation and maintenance strategies.
Conclusion
Effective management of air preheaters requires a comprehensive approach that includes regular maintenance, operation guidelines, effective communication, and use of advanced technology. By following these guidelines, industrial plants can improve air preheater performance, reduce maintenance costs, and maximize energy efficiency while ensuring safety and reliability of the entire process.