pulverized coal fired boiler

简明释义

煤粉锅炉

英英释义

例句

1.Regular maintenance of the pulverized coal fired boiler is essential for optimal performance.

定期维护煤粉燃烧锅炉对于最佳性能至关重要。

2.The pulverized coal fired boiler uses advanced technology to reduce emissions.

煤粉燃烧锅炉采用先进技术来减少排放。

3.The efficiency of a pulverized coal fired boiler is significantly higher than that of traditional boilers.

一台煤粉燃烧锅炉的效率明显高于传统锅炉。

4.In the power plant, the pulverized coal fired boiler generates steam to drive the turbines.

在发电厂中，煤粉燃烧锅炉产生蒸汽以驱动涡轮机。

5.Operators must be trained to handle the pulverized coal fired boiler safely.

操作人员必须接受培训，以安全操作煤粉燃烧锅炉。

作文

The energy sector has been undergoing significant transformations in recent decades, with a focus on sustainable and efficient energy production. One of the key technologies that have played a vital role in this transition is the pulverized coal fired boiler. This type of boiler utilizes pulverized coal as a fuel source, which is finely ground to a powder-like consistency before being burned. The process of pulverization allows for more efficient combustion, leading to higher thermal efficiency and reduced emissions compared to traditional coal-fired boilers.In a pulverized coal fired boiler, the coal is first crushed into a fine powder, typically less than 75 microns in size. This fine coal is then mixed with air and fed into the boiler furnace, where it is ignited. The high surface area of the pulverized coal allows it to burn quickly and completely, resulting in improved heat transfer and energy output. This method not only enhances the efficiency of the boiler but also minimizes the amount of unburned carbon that is released into the atmosphere.Moreover, pulverized coal fired boilers are equipped with advanced emission control technologies. These include electrostatic precipitators and flue gas desulfurization systems, which help to capture particulate matter and sulfur dioxide emissions. As a result, these boilers are better equipped to meet stringent environmental regulations, making them a more viable option for power generation in many regions.The use of pulverized coal fired boilers is particularly prevalent in large-scale power plants, where they can generate substantial amounts of electricity. They are capable of operating at high capacities, often exceeding 500 megawatts, making them suitable for meeting the energy demands of growing populations and industries. Additionally, the flexibility of these boilers allows them to be adapted for different types of coal, including low-grade coals, which can further enhance their economic viability.However, despite their advantages, the reliance on coal as a fuel source raises concerns about greenhouse gas emissions and climate change. While pulverized coal fired boilers are more efficient than their conventional counterparts, they still contribute to carbon dioxide emissions, which are a major driver of global warming. As countries strive to reduce their carbon footprints, there is an ongoing debate about the future of coal-fired power generation.In conclusion, the pulverized coal fired boiler represents a significant advancement in coal combustion technology, offering improved efficiency and reduced emissions compared to traditional methods. While they play an essential role in current energy production, the long-term sustainability of coal as a fuel source remains uncertain. As the world moves towards cleaner energy alternatives, the challenge will be to balance the immediate benefits of pulverized coal fired boilers with the need for a more sustainable energy future.

能源行业在近几十年中经历了重大变革，重点关注可持续和高效的能源生产。其中一种在这一过渡中发挥重要作用的关键技术是煤粉锅炉。这种锅炉利用煤粉作为燃料来源，煤粉在燃烧之前被研磨成粉状。粉碎过程使得燃烧更为高效，从而相比传统的燃煤锅炉具有更高的热效率和更低的排放。在煤粉锅炉中，煤首先被压碎成细粉，通常小于75微米。然后，这种细煤与空气混合并送入锅炉炉膛，在那里点燃。煤粉的高表面积使其能够快速而完全地燃烧，从而改善热传递和能量输出。这种方法不仅提高了锅炉的效率，还最小化了释放到大气中的未燃碳量。此外，煤粉锅炉配备了先进的排放控制技术，包括静电除尘器和烟气脱硫系统，这些系统有助于捕获颗粒物和二氧化硫排放。因此，这些锅炉更能够满足严格的环境法规，使其成为许多地区发电的更可行选择。煤粉锅炉在大型发电厂中尤为普遍，因为它们可以产生大量电力。它们能够在高容量下运行，往往超过500兆瓦，适合满足不断增长的人口和工业的能源需求。此外，这些锅炉的灵活性使其能够适应不同类型的煤，包括低品位煤，这可以进一步增强其经济可行性。然而，尽管有其优势，对煤作为燃料来源的依赖引发了对温室气体排放和气候变化的担忧。尽管煤粉锅炉比传统锅炉更高效，但它们仍会导致二氧化碳排放，而二氧化碳是全球变暖的主要驱动因素。随着各国努力减少碳足迹，关于燃煤发电未来的辩论仍在继续。总之，煤粉锅炉代表了燃煤技术的重要进步，提供了比传统方法更高的效率和更低的排放。虽然它们在当前的能源生产中扮演着重要角色，但煤作为燃料的长期可持续性仍不确定。随着世界向更清洁的能源替代品迈进，挑战将是平衡煤粉锅炉的即时利益与对更可持续能源未来的需求。