induced draft

简明释义

抽气通风

英英释义

例句

1.An induced draft fan is essential in maintaining optimal airflow in industrial furnaces.

在工业炉中，引导通风风扇对于维持最佳气流至关重要。

2.The efficiency of a wood-burning stove can be improved by using an induced draft mechanism.

通过使用引导通风机制，可以提高木炭炉的效率。

3.In power plants, the induced draft system helps to regulate the temperature within the combustion chamber.

在发电厂中，引导通风系统有助于调节燃烧室内的温度。

4.The design of the chimney relies on the principles of induced draft to effectively expel smoke.

烟囱的设计依赖于引导通风的原理，以有效排放烟雾。

5.The boiler operates efficiently thanks to the induced draft system, which enhances combustion by pulling air through the furnace.

由于引导通风系统的存在，锅炉高效运行，增强了燃烧效果，通过炉子吸入空气。

作文

The concept of induced draft is crucial in various engineering applications, particularly in the field of thermodynamics and fluid mechanics. To understand this term better, we must first explore its definition and implications. Induced draft refers to the process by which air is drawn into a system, typically through the use of a fan or blower, to facilitate combustion or enhance the efficiency of heat exchange systems. This mechanism is commonly employed in industrial boilers, furnaces, and power plants, where maintaining optimal airflow is essential for efficient operation.One of the primary advantages of using an induced draft system is that it helps maintain a consistent and controlled flow of air. In combustion processes, such as those found in boilers, the proper mixture of fuel and air is critical for achieving maximum efficiency and minimizing emissions. By inducing a draft, engineers can ensure that there is enough oxygen available for combustion, which helps reduce the production of harmful pollutants.Furthermore, induced draft systems are designed to operate under negative pressure conditions. This means that the pressure inside the combustion chamber is lower than the atmospheric pressure outside. As a result, any flue gases produced during combustion are effectively drawn out of the system, preventing the buildup of harmful gases within the furnace or boiler. This not only enhances safety but also improves the overall performance of the system.In contrast to natural draft systems, which rely on buoyancy and temperature differences to create airflow, induced draft systems provide a more reliable and controllable method of managing air and gas flow. Natural draft systems can be affected by external environmental conditions, such as wind or changes in temperature, which can lead to fluctuations in performance. On the other hand, induced draft systems remain consistent regardless of external factors, making them a preferred choice for many industrial applications.Moreover, the design of induced draft fans plays a significant role in the overall efficiency of the system. These fans are specifically engineered to handle high temperatures and corrosive environments, ensuring durability and longevity. The selection of appropriate materials and designs is vital to prevent failures that could lead to costly downtime and repairs.In conclusion, the importance of induced draft in modern engineering cannot be overstated. It plays a pivotal role in enhancing the efficiency of combustion processes, improving safety by effectively removing flue gases, and providing a reliable means of controlling airflow. As industries continue to focus on reducing emissions and improving energy efficiency, understanding and implementing induced draft systems will remain a critical aspect of engineering practices. This knowledge not only contributes to better operational performance but also aligns with global efforts to promote sustainable practices in energy production and consumption.

“引导通风”（induced draft）的概念在各种工程应用中至关重要，特别是在热力学和流体力学领域。要更好地理解这个术语，我们必须首先探讨它的定义和含义。“引导通风”是指通过使用风扇或鼓风机将空气引入系统的过程，通常用于促进燃烧或提高热交换系统的效率。这种机制通常应用于工业锅炉、炉子和发电厂，在这些地方，维持最佳气流对高效运行至关重要。使用“引导通风”系统的主要优点之一是它有助于保持一致和可控的空气流动。在燃烧过程中，如锅炉中的燃烧，燃料和空气的适当混合对于实现最大效率和最小化排放至关重要。通过引导通风，工程师可以确保燃烧所需的氧气充足，从而帮助减少有害污染物的产生。此外，“引导通风”系统设计为在负压条件下运行。这意味着燃烧室内部的压力低于外部的气压。因此，在燃烧过程中产生的废气会有效地被抽出系统，防止有害气体在炉子或锅炉内积聚。这不仅增强了安全性，还改善了系统的整体性能。与依靠浮力和温度差来创造气流的自然通风系统相比，“引导通风”系统提供了一种更可靠和可控的空气和气体流动管理方法。自然通风系统可能会受到外部环境条件的影响，例如风或温度变化，这可能导致性能波动。另一方面，“引导通风”系统无论外部因素如何都能保持一致，因此在许多工业应用中成为首选。此外，“引导通风”风扇的设计在系统的整体效率中起着重要作用。这些风扇专门设计用于处理高温和腐蚀性环境，以确保耐用性和长寿命。选择合适的材料和设计对于防止故障至关重要，因为故障可能导致昂贵的停机和维修。总之，“引导通风”在现代工程中的重要性不容小觑。它在提高燃烧过程效率、通过有效去除废气改善安全性以及提供可靠的气流控制手段方面发挥着关键作用。随着各行业继续关注减少排放和提高能源效率，理解和实施“引导通风”系统将始终是工程实践的重要方面。这一知识不仅有助于改善操作性能，还与全球推动可持续能源生产和消费的努力相一致。