pulverized coal

简明释义

粉煤

英英释义

例句

1.Using pulverized coal in industrial boilers improves efficiency and reduces emissions.

在工业锅炉中使用煤粉可以提高效率并减少排放。

2.In the combustion chamber, pulverized coal burns at a higher temperature than larger chunks of coal.

在燃烧室中，煤粉的燃烧温度高于较大块煤。

3.The process of making pulverized coal involves grinding coal into fine particles.

制作煤粉的过程涉及将煤磨成细小颗粒。

4.The environmental impact of pulverized coal combustion is a major concern for regulators.

对于监管者来说，煤粉燃烧的环境影响是一个主要关注点。

5.The power plant uses pulverized coal to generate electricity efficiently.

发电厂使用煤粉高效地发电。

作文

The use of pulverized coal in energy production has become a significant topic of discussion in recent years. Pulverized coal refers to coal that has been crushed into a fine powder, which is then burned to generate electricity. This method of combustion allows for more efficient burning and higher energy output compared to traditional coal chunks. The process begins with the mining of coal, which is then transported to power plants where it undergoes grinding. The grinding process is crucial as it increases the surface area of the coal, allowing it to combust more completely and efficiently. One of the primary advantages of using pulverized coal is its efficiency. When coal is pulverized, it can burn more quickly and thoroughly, resulting in a higher thermal efficiency. This means that power plants can generate more electricity from the same amount of coal, which is beneficial not only for energy production but also for reducing emissions. As global energy demands continue to rise, improving the efficiency of coal-fired power plants becomes increasingly important. However, the use of pulverized coal is not without its challenges. One of the major environmental concerns associated with coal combustion is the emission of greenhouse gases, particularly carbon dioxide. Although pulverized coal technology has improved over the years, leading to cleaner combustion processes, it still contributes to air pollution. Many countries are now looking for ways to reduce their reliance on coal and transition to renewable energy sources, such as wind or solar power, which do not produce harmful emissions. Moreover, the extraction and transportation of coal can also have significant environmental impacts. Mining operations can lead to habitat destruction, soil erosion, and water pollution. Transporting coal from mines to power plants often involves long distances, which adds to the carbon footprint associated with its use. As a result, there is an ongoing debate about whether the benefits of using pulverized coal outweigh the environmental costs. In response to these challenges, some researchers and companies are exploring technologies that can help mitigate the negative impacts of pulverized coal. For instance, carbon capture and storage (CCS) technologies aim to capture the carbon dioxide emissions produced during coal combustion and store them underground, preventing them from entering the atmosphere. While these technologies show promise, they are still in the developmental stage and require significant investment to become widely implemented. In conclusion, the use of pulverized coal in energy production presents both opportunities and challenges. Its efficiency in generating electricity makes it an attractive option for many power plants, yet the environmental concerns associated with its use cannot be overlooked. As the world continues to grapple with climate change and the need for sustainable energy solutions, the future of pulverized coal remains uncertain. It is essential for policymakers, industries, and researchers to work together to find a balance between energy production and environmental responsibility, ensuring that we can meet our energy needs while protecting the planet for future generations.

在近年来，使用粉煤进行能源生产已成为一个重要的讨论话题。粉煤是指将煤炭研磨成细粉末，然后燃烧以产生电力。这种燃烧方式允许比传统煤块更高效地燃烧并产生更高的能量输出。这个过程始于煤的开采，煤炭被运输到发电厂，在那里进行研磨。研磨过程至关重要，因为它增加了煤的表面积，使其能够更完全和高效地燃烧。使用粉煤的主要优点之一是其效率。当煤被粉碎时，它可以更快、更彻底地燃烧，从而产生更高的热效率。这意味着发电厂可以从相同数量的煤中产生更多的电力，这不仅对能源生产有利，还有助于减少排放。随着全球能源需求的持续上升，提高燃煤电厂的效率变得越来越重要。然而，使用粉煤并非没有挑战。与煤燃烧相关的主要环境问题之一是温室气体的排放，尤其是二氧化碳。尽管粉煤技术近年来有所改善，导致更清洁的燃烧过程，但它仍然会对空气造成污染。许多国家现在正在寻找减少对煤炭依赖的方法，并过渡到可再生能源，如风能或太阳能，这些能源不会产生有害的排放。此外，煤的开采和运输也可能对环境产生重大影响。采矿作业可能导致栖息地破坏、土壤侵蚀和水污染。从矿山运输煤炭到发电厂通常涉及长距离，这增加了与其使用相关的碳足迹。因此，关于使用粉煤的好处是否超过环境成本的辩论仍在继续。为了应对这些挑战，一些研究人员和公司正在探索可以帮助减轻粉煤负面影响的技术。例如，碳捕集与存储（CCS）技术旨在捕获燃煤过程中产生的二氧化碳排放并将其储存于地下，防止其进入大气。虽然这些技术显示出希望，但它们仍处于开发阶段，需要大量投资才能广泛实施。总之，使用粉煤进行能源生产既带来了机遇，也带来了挑战。其在发电中的效率使其成为许多发电厂的吸引选项，但与其使用相关的环境问题不容忽视。随着世界继续面临气候变化和可持续能源解决方案的需求，粉煤的未来仍然不确定。政策制定者、工业界和研究人员必须共同努力，在能源生产和环境责任之间找到平衡，确保我们能够满足能源需求，同时保护地球，为子孙后代着想。