bleed-steam air preheater

简明释义

抽汽空气预热器

英英释义

例句

1.The efficiency of the power plant improved significantly after installing the bleed-steam air preheater.

在安装了抽汽空气预热器后，发电厂的效率显著提高。

2.Engineers monitored the temperature changes in the bleed-steam air preheater during operation.

工程师在运行过程中监测了抽汽空气预热器的温度变化。

3.The design of the bleed-steam air preheater allows for better heat recovery.

该抽汽空气预热器的设计允许更好的热回收。

4.By utilizing the bleed-steam air preheater, we can reduce fuel consumption.

通过利用抽汽空气预热器，我们可以减少燃料消耗。

5.Regular maintenance of the bleed-steam air preheater is crucial to ensure optimal performance.

定期维护抽汽空气预热器对于确保最佳性能至关重要。

作文

In modern power generation systems, efficiency is of paramount importance. One of the technologies that contribute to this efficiency is the bleed-steam air preheater, which plays a crucial role in optimizing the performance of thermal power plants. This device is designed to recover waste heat from the steam that is bled off from the turbine, thereby enhancing the overall energy conversion process.The bleed-steam air preheater operates by utilizing steam that is extracted from the turbine at various stages. Typically, this steam is at a high temperature and pressure, and when it is bled off, it can be used to heat the incoming air that is required for combustion in the boiler. This process not only improves the thermal efficiency of the plant but also reduces the amount of fuel needed to achieve the desired output. By preheating the combustion air, the bleed-steam air preheater ensures that the fuel burns more completely, leading to lower emissions and reduced environmental impact.Furthermore, the integration of a bleed-steam air preheater into a power generation system can significantly enhance the operational flexibility of the plant. When demand for electricity fluctuates, the ability to adjust the amount of steam bled from the turbine allows operators to optimize performance based on real-time conditions. This adaptability is essential in today’s energy market, where renewable sources are increasingly being integrated into the grid.In addition to improving efficiency and flexibility, the bleed-steam air preheater also contributes to the longevity of the power plant's components. By ensuring that the combustion air is preheated, it helps to maintain optimal operating temperatures within the boiler. This can reduce thermal stresses and wear on critical components, ultimately leading to lower maintenance costs and extended service life.However, while the benefits of a bleed-steam air preheater are clear, there are also challenges associated with its implementation. For example, the design and installation of such systems require careful consideration of the existing plant configuration and operational parameters. Engineers must ensure that the integration of the preheater does not disrupt the overall balance of the power generation cycle. Moreover, regular maintenance is necessary to prevent issues such as fouling or corrosion, which can arise from the high-temperature steam and the interaction with air.In conclusion, the bleed-steam air preheater is an essential component in the quest for higher efficiency in thermal power generation. By recovering waste heat and improving the combustion process, it not only enhances energy output but also supports environmental sustainability. As the industry continues to evolve, the role of technologies like the bleed-steam air preheater will become increasingly important in meeting global energy demands while minimizing ecological footprints.

在现代发电系统中，效率至关重要。促进这一效率的技术之一是抽汽空气预热器，它在优化热电厂性能方面发挥着关键作用。该设备旨在回收从涡轮机抽取的蒸汽中的废热，从而增强整体能量转换过程。抽汽空气预热器通过利用从涡轮机不同阶段抽取的蒸汽来运行。通常，这些蒸汽处于高温和高压状态，当其被抽出时，可以用于加热进入锅炉所需的燃烧空气。这个过程不仅提高了电厂的热效率，还减少了实现所需输出所需的燃料量。通过预热燃烧空气，抽汽空气预热器确保燃料更完全地燃烧，降低排放并减少环境影响。此外，将抽汽空气预热器集成到发电系统中可以显著增强电厂的操作灵活性。当电力需求波动时，调整从涡轮机抽出的蒸汽量使操作员能够根据实时条件优化性能。这种适应能力在当今能源市场中至关重要，因为可再生能源越来越多地被整合到电网中。除了提高效率和灵活性外，抽汽空气预热器还对电厂组件的寿命做出了贡献。通过确保燃烧空气被预热，它有助于保持锅炉内的最佳操作温度。这可以减少热应力和关键组件的磨损，最终导致较低的维护成本和延长的使用寿命。然而，尽管抽汽空气预热器的好处显而易见，但其实施也存在挑战。例如，此类系统的设计和安装需要仔细考虑现有电厂的配置和操作参数。工程师必须确保预热器的集成不会干扰发电循环的整体平衡。此外，定期维护是必要的，以防止由于高温蒸汽及其与空气的相互作用而引起的污垢或腐蚀等问题。总之，抽汽空气预热器是追求热电发电高效率的重要组成部分。通过回收废热和改善燃烧过程，它不仅提高了能量输出，而且支持环境可持续性。随着行业的不断发展，像抽汽空气预热器这样的技术在满足全球能源需求的同时，最小化生态足迹中的作用将变得愈加重要。