circulating fluidized bed combustion

简明释义

循环怜床燃烧

英英释义

例句

1.In industrial applications, circulating fluidized bed combustion is favored for its flexibility.

在工业应用中，循环流化床燃烧因其灵活性而受到青睐。

2.The circulating fluidized bed combustion system is capable of burning a wide variety of fuels.

该循环流化床燃烧系统能够燃烧多种燃料。

3.The power plant utilizes circulating fluidized bed combustion to achieve higher efficiency and lower emissions.

该电厂利用循环流化床燃烧技术以实现更高的效率和更低的排放。

4.Researchers are exploring new materials for circulating fluidized bed combustion to improve its performance.

研究人员正在探索新材料以改善循环流化床燃烧的性能。

5.The design of the circulating fluidized bed combustion reactor is crucial for optimizing heat transfer.

设计循环流化床燃烧反应器对于优化热传递至关重要。

作文

The concept of circulating fluidized bed combustion is a revolutionary approach in the field of energy production, particularly in the burning of solid fuels. This technology has gained significant attention due to its efficiency and environmental benefits compared to traditional combustion methods. In a circulating fluidized bed combustion system, solid fuel particles are suspended in an upward flow of air, creating a fluid-like behavior. This allows for better mixing of the fuel and air, leading to more complete combustion and reduced emissions of harmful pollutants.One of the primary advantages of circulating fluidized bed combustion is its ability to burn a wide variety of fuels, including low-grade coal, biomass, and waste materials. This flexibility not only helps in optimizing fuel usage but also contributes to waste management by utilizing materials that would otherwise be discarded. Moreover, the high heat transfer rates in this type of combustion system enable it to operate at lower temperatures, which helps in reducing the formation of nitrogen oxides (NOx) and sulfur dioxide (SO2), two major contributors to air pollution.The design of a circulating fluidized bed combustion unit typically includes a reactor, a cyclone separator, and a heat exchanger. The reactor is where the combustion takes place, and it is designed to maintain a turbulent flow of particles. The cyclone separator plays a crucial role in separating the unburned particles from the flue gases, allowing for their return to the reactor for further combustion. This recycling process is what gives the technology its name – 'circulating'. Additionally, heat exchangers are used to recover heat from the flue gases, improving the overall thermal efficiency of the system.In terms of environmental impact, circulating fluidized bed combustion systems are equipped with advanced emission control technologies. These may include fabric filters or electrostatic precipitators to capture particulate matter and scrubbers to remove acidic gases. As a result, emissions from these plants are significantly lower than those from conventional coal-fired power plants. This makes circulating fluidized bed combustion an attractive option for countries looking to transition to cleaner energy sources while still relying on fossil fuels for power generation.Furthermore, the economic feasibility of circulating fluidized bed combustion technology cannot be overlooked. While the initial investment may be higher than traditional systems, the long-term savings associated with fuel flexibility, lower emissions control costs, and improved efficiency can lead to a favorable return on investment. As global energy demands continue to rise, the need for sustainable and efficient energy production methods becomes increasingly critical.In conclusion, circulating fluidized bed combustion represents a significant advancement in combustion technology. Its ability to efficiently utilize various fuels while minimizing environmental impact makes it a promising solution for the future of energy production. As research and development in this area continue, we can expect to see even more innovations that will enhance the efficiency and sustainability of circulating fluidized bed combustion systems, paving the way for a cleaner energy landscape. The integration of this technology into our energy infrastructure could play a vital role in addressing climate change and achieving energy security for generations to come.

“循环流化床燃烧”这一概念在能源生产领域中是一种革命性的方法，特别是在固体燃料的燃烧方面。由于与传统燃烧方法相比，其效率和环境效益，这项技术受到了广泛关注。在“循环流化床燃烧”系统中，固体燃料颗粒悬浮在向上流动的空气中，形成流体般的行为。这使得燃料和空气能够更好地混合，从而实现更完全的燃烧，并减少有害污染物的排放。“循环流化床燃烧”的主要优点之一是其能够燃烧多种燃料，包括低品质煤、生物质和废弃物。这种灵活性不仅有助于优化燃料使用，还通过利用本来会被丢弃的材料来促进废物管理。此外，这种燃烧系统中的高热传递率使其能够在较低温度下运行，从而有助于减少氮氧化物（NOx）和二氧化硫（SO2）的形成，这两者都是空气污染的主要成因。“循环流化床燃烧”单元的设计通常包括反应器、旋风分离器和热交换器。反应器是燃烧发生的地方，它被设计为保持颗粒的湍流流动。旋风分离器在将未燃烧的颗粒与烟气分开方面发挥着至关重要的作用，使其可以返回反应器进行进一步燃烧。这个回收过程正是赋予该技术“循环”名称的原因。此外，热交换器用于从烟气中回收热量，提高系统的整体热效率。在环境影响方面，“循环流化床燃烧”系统配备了先进的排放控制技术。这些技术可能包括布袋过滤器或静电除尘器，以捕获颗粒物，以及洗涤器以去除酸性气体。因此，这些工厂的排放量显著低于传统的燃煤发电厂。这使得“循环流化床燃烧”成为希望在依赖化石燃料发电的同时过渡到更清洁能源来源的国家的吸引选项。此外，“循环流化床燃烧”技术的经济可行性也不容忽视。虽然初始投资可能高于传统系统，但与燃料灵活性、较低的排放控制成本和提高的效率相关的长期节省，可以带来良好的投资回报。随着全球能源需求的持续上升，对可持续和高效能源生产方法的需求变得愈发紧迫。总之，“循环流化床燃烧”代表了燃烧技术的一项重大进步。其高效利用各种燃料并最小化环境影响的能力，使其成为未来能源生产的一个有前途的解决方案。随着这一领域的研究和开发的不断推进，我们可以期待看到更多创新将增强“循环流化床燃烧”系统的效率和可持续性，为清洁能源格局铺平道路。这项技术的整合进入我们的能源基础设施，可以在应对气候变化和实现能源安全方面发挥至关重要的作用，造福未来几代人。