excess air

简明释义

过剩空气

英英释义

例句

1.The engineer adjusted the burner settings to reduce excess air and optimize performance.

工程师调整了燃烧器设置，以减少过量空气并优化性能。

2.Monitoring excess air levels is crucial for maintaining proper combustion in industrial boilers.

监测过量空气水平对于维持工业锅炉的正常燃烧至关重要。

3.To improve energy efficiency, we need to minimize excess air in the heating system.

为了提高能源效率，我们需要减少供暖系统中的过量空气。

4.The combustion process in the furnace was inefficient due to the presence of excess air, which leads to wasted fuel.

由于存在过量空气，炉中的燃烧过程效率低下，导致燃料浪费。

5.Using a combustion analyzer can help detect excess air in the system.

使用燃烧分析仪可以帮助检测系统中的过量空气。

作文

In the world of combustion processes, understanding the concept of excess air is crucial for optimizing efficiency and reducing emissions. Excess air refers to the amount of air supplied to a combustion process beyond what is theoretically required for complete combustion of the fuel. This phenomenon is particularly significant in various industrial applications, such as power plants, boilers, and internal combustion engines.When fuel burns, it reacts with oxygen from the air to produce energy, carbon dioxide, and water vapor. The stoichiometric ratio is the ideal balance of fuel and air needed for complete combustion. However, in practice, achieving this perfect ratio is challenging due to variations in fuel properties and combustion conditions. To ensure that combustion occurs efficiently and safely, operators often supply more air than necessary, resulting in excess air.The presence of excess air has both advantages and disadvantages. On one hand, having additional air can help to ensure that all fuel is burned, which minimizes the production of harmful pollutants like carbon monoxide and unburned hydrocarbons. This is particularly important in applications where emissions regulations are strict. By increasing the amount of air, the combustion process can be made more complete, leading to cleaner exhaust gases.On the other hand, too much excess air can lead to inefficiencies. When there is an abundance of air, the temperature of the combustion process can drop, leading to lower thermal efficiency. This means that not all the energy produced by the fuel is converted into useful work, resulting in wasted energy and increased operational costs. Furthermore, excessive excess air can also dilute the concentration of heat in the combustion chamber, making it more difficult to maintain optimal operating conditions.To strike a balance, engineers and operators must carefully monitor and control the amount of excess air in their systems. Technologies such as oxygen sensors and advanced control systems can help maintain the right levels of air for different operating conditions. By adjusting the air-fuel ratio dynamically, it is possible to optimize combustion performance, improve efficiency, and reduce emissions simultaneously.In conclusion, the concept of excess air is vital for anyone involved in combustion processes. Understanding its implications can lead to better design choices, improved operational practices, and ultimately, a more sustainable approach to energy production. As industries continue to evolve and face stricter environmental regulations, the role of excess air management will only become more critical. By finding the right balance, we can harness the full potential of combustion technology while minimizing its environmental impact.

在燃烧过程的世界中，理解过量空气的概念对于优化效率和减少排放至关重要。过量空气是指在燃料完全燃烧所需的理论空气量之外，提供给燃烧过程的空气量。这一现象在各种工业应用中尤为重要，例如发电厂、锅炉和内燃机。当燃料燃烧时，它与空气中的氧气反应，产生能量、二氧化碳和水蒸气。化学计量比是燃料和空气之间实现完全燃烧所需的理想平衡。然而，在实践中，由于燃料特性和燃烧条件的变化，实现这一完美比例是一项挑战。为了确保燃烧高效且安全，操作人员通常会提供比必要的更多的空气，从而导致过量空气的出现。过量空气的存在有利有弊。一方面，额外的空气可以帮助确保所有燃料都被燃烧，从而最小化有害污染物如一氧化碳和未燃烧的碳氢化合物的产生。这在排放法规严格的应用中尤为重要。通过增加空气的量，燃烧过程可以更为完整，导致更清洁的废气。另一方面，过多的过量空气会导致低效率。当空气过多时，燃烧过程的温度可能下降，导致热效率降低。这意味着并非所有由燃料产生的能量都转化为有用的工作，从而导致能量浪费和运营成本增加。此外，过量的过量空气还可能稀释燃烧室内的热量浓度，使维持最佳操作条件变得更加困难。为了达到平衡，工程师和操作人员必须仔细监控和控制系统中的过量空气量。氧气传感器和先进控制系统等技术可以帮助在不同的操作条件下维持适当的空气量。通过动态调整空气-燃料比，可以同时优化燃烧性能、提高效率和减少排放。总之，过量空气的概念对于参与燃烧过程的任何人来说都是至关重要的。理解其影响可以导致更好的设计选择、改进的操作实践，最终实现更可持续的能源生产。随着各行业不断发展并面临更严格的环境法规，过量空气管理的作用将变得更加重要。通过找到正确的平衡，我们可以充分利用燃烧技术的潜力，同时最小化其对环境的影响。