pulverized coal

简明释义

粉煤

英英释义

例句

1.The process of converting coal into pulverized coal involves crushing and grinding.

将煤转化为煤粉的过程包括破碎和研磨。

2.In modern boilers, pulverized coal is preferred over lump coal for better combustion.

在现代锅炉中，煤粉比块煤更受欢迎，因为它能更好地燃烧。

3.The efficiency of the furnace increases when pulverized coal is used as fuel.

当使用煤粉作为燃料时，炉子的效率会提高。

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

发电厂使用煤粉高效地发电。

5.Using pulverized coal can reduce emissions compared to burning whole coal.

与燃烧整块煤相比，使用煤粉可以减少排放。

作文

The use of pulverized coal (粉煤) in power generation has become increasingly common in modern industrial processes. This method involves grinding coal into a fine powder, which allows for more efficient combustion and energy extraction. The process of creating pulverized coal (粉煤) begins with the selection of high-quality coal, which is then crushed and milled to achieve a specific particle size. This fine powder is essential for maximizing the surface area of the coal, enabling it to burn more completely and efficiently. One of the primary advantages of using pulverized coal (粉煤) is its ability to generate higher temperatures during combustion. This results in improved thermal efficiency and lower emissions compared to traditional coal burning methods. In power plants, pulverized coal (粉煤) is mixed with air and fed into a boiler, where it ignites and produces steam that drives turbines to generate electricity. The efficiency of this process is crucial, as it directly impacts the cost of electricity production and the environmental footprint of coal-fired power plants. However, the use of pulverized coal (粉煤) is not without its challenges. The grinding process requires significant energy and can contribute to operational costs. Additionally, the combustion of pulverized coal (粉煤) releases pollutants such as sulfur dioxide (SO2) and nitrogen oxides (NOx), which can lead to acid rain and smog formation. To mitigate these environmental impacts, many power plants have invested in advanced emission control technologies, such as flue gas desulfurization and selective catalytic reduction systems. Furthermore, as the world moves toward cleaner energy sources, the future of pulverized coal (粉煤) usage is under scrutiny. Renewable energy sources, such as wind, solar, and hydroelectric power, are gaining popularity due to their lower environmental impact. Governments and industries are increasingly focusing on reducing greenhouse gas emissions, which poses a challenge for the continued reliance on pulverized coal (粉煤) for electricity generation. In conclusion, while pulverized coal (粉煤) remains a key player in the energy sector, its role is evolving. The balance between energy needs, environmental concerns, and technological advancements will shape the future of pulverized coal (粉煤) in power generation. As we strive for a sustainable energy future, the efficiency and environmental impact of pulverized coal (粉煤) will continue to be important factors in energy policy and industry practices.